1 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
3 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
4 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
5 (spu_cpu_cpp_builtins): Remove.
6 (spu_override_options): Don't set warn_main.
7 (spu_force_reg): Move from spu-c.c.
8 (spu_check_builtin_parm): Likewise.
9 (expand_builtin_args): Likewise.
10 (spu_expand_builtin_1): Likewise.
11 (spu_expand_builtin): Likewise.
12 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
13 warn_main and targetm.resolve_overloaded_builtin.
14 * config/spu/spu-c.c (spu_builtin_range): Remove.
15 (spu_check_builtin_parm): Remove.
16 (expand_builtin_args): Remove.
17 (spu_expand_builtin_1): Remove.
18 (spu_expand_builtin): Remove.
19 (spu_cpu_cpp_builtins): Moved from spu.c
20 (spu_force_reg): Remove.
22 2006-12-01 Joseph Myers <joseph@codesourcery.com>
23 David Edelsohn <edelsohn@gnu.org>
26 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
27 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
28 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
29 HARD_REGNO_NREGS_WITH_PADDING): Define.
30 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
31 HARD_REGNO_NREGS_WITH_PADDING): Define.
32 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
33 Use new macros to detect modes with holes; do not look at integer
35 (subreg_offset_representable_p): Check for and disallow cases
36 where the modes use different numbers of bits from registers.
37 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
38 constant for soft-float.
39 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
41 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
43 * config/rs6000/rs6000.md (movtf): Allow soft-float.
44 (movtf_softfloat): New.
46 2006-11-30 Richard Sandiford <richard@codesourcery.com>
48 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
51 2006-11-30 Andrew Macleod <amacleod@redhat.com>
53 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
54 (COALESCE_HASH_FN): New. Define hash function.
55 (partition_pair_map_hash): New. Hash value for a partition pair.
56 (partition_pair_map_eq): New. Equality for hash pairs.
57 (create_coalesce_list): Create hash table.
58 (delete_coalesce_list): Free hash table.
59 (find_partition_pair): Find/create pairs in hash table.
60 (compare_pairs): Sort pairs in ascending order now.
61 (num_coalesce_pairs): New. Number of pairs in hash table.
62 (struct partition_pair_iterator): Iterator struct for pair table.
63 (first_partition_pair): Iterator function for first pair.
64 (end_partition_pair_p): Iterator function for end of iteration.
65 (next_partition_pair): Iterator function for next pair.
66 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
67 (sort_coalesce_list): Sort pairs from hash table into an array.
68 (pop_best_coalesce): Take pairs from the array.
69 (dump_coalesce_list): Update to use hash table or sorted array.
70 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
71 (struct coalesce_list_d): Add hash table related fields.
73 2006-11-30 Jan Hubicka <jh@suse.cz>
76 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
77 memmove/bcopy->memcpy conversion.
79 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
81 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
82 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
83 Default is the largest alignment supported for 32-bit ELF and
84 representable on a 32-bit host.
86 2006-11-30 Janis Johnson <janis187@us.ibm.com>
88 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
90 2006-11-30 Jan Hubicka <jh@suse.cz>
92 * tree-ssa-operands.h (struct ssa_operands): New.
93 * tree-flow-inline.h (gimple_ssa_operands): New function.
94 * tree-flow.h: (struct gimple_df): Add ssa_operands.
95 * Makefile.in: Remove gt-tree-ssa-operands.h
96 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
97 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
98 operand_memory, operand_memory_index, ops_active): Remove statics.
99 (ALLOC_OPTYPE): Update.
100 (operand_build_sort_virtual): Update.
101 (ssa_operands_active): Update.
102 (init_ssa_operands): Update.
103 (fini_ssa_operands): Update.
104 (ssa_operand_alloc): Update.
105 (INITIALIZE_USE): Update.
106 (finalize_ssa_use_ops): Update.
107 (finalize_ssa_v_may_def_ops): Update.
108 (finalize_ssa_vuse_ops): Update.
109 (finalize_ssa_v_must_def_ops): Update.
111 2006-11-30 Richard Guenther <rguenther@suse.de>
113 * tree-vectorizer.h (vectorizable_function): Export.
114 * tree-vect-transform.c (vectorizable_function): Likewise.
115 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
116 type_in to scalar type in recognition of squaring.
117 Make sure the target can vectorize sqrt in recognition
118 of sqrt, set type_in to vector type in this case.
120 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
122 * config/i386/i386.md (R10_REG): New constant.
123 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
124 (ix86_emit_restore_regs_using_mov): Ditto.
125 (ix86_expand_call): Ditto.
126 (x86_output_mi_thunk): Ditto. Also use R10_REG.
128 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
130 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
131 * alias.c (canon_true_dependence): Update comment.
133 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
135 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
136 at the end of a diagnostics message.
138 * alloc-pool.c (pool_free): Postpone clearing the pool entry
139 until after asserting that it was allocated in the right pool.
141 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
142 successor edge information as well. Make output of live regs
143 on exit consistent with live regs on entry.
145 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
148 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
149 insn patterns for TARGET_80387.
150 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
151 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
152 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
153 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
154 Generate truncxf<mode>2 insn patterns for strict SSE math.
156 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
158 * config/i386/i386.md (movsf_1): Enable pattern for standard
159 80387 constants before reload when optimizing for size.
160 (*movdf_nointeger, *movdf_integer): Ditto.
161 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
162 80387 constants before reload when not optimizing for size.
164 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
165 extension of XFmode input operands.
167 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
169 * config/spu/crt0.c (__dso_handle): Define.
171 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
173 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
174 when clearing the used flags.
176 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
178 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
180 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
183 * config/spu/spu.md (extend_compare<mode>): New pattern.
184 (extend_compare): Change to expand and use the above pattern.
186 2006-11-29 Janis Johnson <janis187@us.ibm.com>
188 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
190 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
191 (DFP_INIT_ROUNDMODE): Define.
192 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
193 * mklibgcc.in: Fix dependencies for dfp-bit.c.
195 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
197 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
198 Update documentation.
199 (associate_line_notes_with_blocks): Kill.
200 (extend_bb): Remove basic block argument, put void instead.
201 Remove line number handling for each bb.
202 (save_line_notes): Kill.
203 (restore_line_notes): Kill.
204 (sched_init): Remove line_note_head initialization.
205 Change extend_bb call.
206 (sched_finish): Remove free of line_note_head.
207 (add_block): Change extend_bb call.
208 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
209 rm_line_notes and restore_line_notes calls.
210 (schedule_ebbs): Remove rm_redundant_line_notes.
211 * sched-int.h (struct haifa_insn_data): Remove line_note.
212 (save_line_notes): Remove declaration.
213 (restore_line_notes): Remove declaration.
214 * modulo-sched.c (loop_canon_p): Update debug info printing
215 by using insn locators instead of line note.
216 (sms_schedule): Update debug info printing, by using insn
217 locators instead of line note.
218 * sched-rgn.c (debug_dependencies): Remove handling of case
219 n>0 (line number), since it's a dead code.
220 (schedule_region): Remove save_line_notes and
221 restore_line_notes calls.
223 2006-11-29 Joseph Myers <joseph@codesourcery.com>
225 * config/rs6000/predicates.md (gpc_reg_operand): Check
227 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
228 SImode subregs of SPE vectors.
229 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
230 * jump.c (true_regnum): Require subregs to satisfy
231 subreg_offset_representable_p.
233 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
234 Steven Bosscher <stevenb.gcc@gmail.com>
236 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
237 since it no longer exists.
239 2006-11-29 Duncan Sands <baldrick@free.fr>
241 PR tree-optimization/23744
242 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
244 2006-11-29 Duncan Sands <baldrick@free.fr>
246 PR tree-optimization/23744
247 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
249 2006-11-29 Duncan Sands <baldrick@free.fr>
251 PR tree-optimization/23744
252 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
254 2006-11-29 Jie Zhang <jie.zhang@analog.com>
256 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
258 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
260 * sh.opt (minline-ic_invalidate): New option.
261 (musermode): Adjust comment.
262 * sh.c (sh_initialize_trampoline): Emit library call unless
263 is set; if it is set, don't emit library call if we can use icbi
265 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
266 icbi for TARGET_SH4_300.
267 * t-sh (LIB1ASMFUNCS_CACHE): Set.
268 * doc/invoke.texi: Document -minline-ic_invalidate; Update
269 -musermode documentation.
271 2006-11-29 Jim Tison <jtison@us.ibm.com>
273 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
274 __gthread_recursive_mutex_init): Define.
276 2006-11-29 Joseph Myers <joseph@codesourcery.com>
278 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
279 STRICT_ALIGNMENT and the type is more aligned than the saved
280 registers, copy via a temporary.
282 2006-11-28 Andrew Pinski <pinskia@gmail.com>
285 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
288 2006-11-28 Bob Wilson <bob.wilson@acm.org>
290 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
292 2006-11-28 Jan Hubicka <jh@suse.cz>
294 Privatize SSA variables into gimple_df.
296 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
297 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
298 gimple_nonlocal_all): New accessors.
299 (first_referenced_var): Update.
300 (mark_stmt_modified): Update.
301 (is_call_clobbered): Update.
302 (mark_call_clobbered): Update.
303 (clear_call_clobbered): Update.
304 (mark_non_addressable): Update.
305 * tree-vrp.c (get_value_range): Update.
306 * tree-into-ssa.c (in_ssa_p): Kill.
307 (get_default_def_for): Update.
308 (rewrite_into_ssa): Update.
309 * tree-complex.c (init_parameter_lattice_values): Update.
310 (update_complex_assignment): Update.
311 (update_parameter_components): Update.
312 (expand_complex_libcall): Update.
313 (expand_complex_operations_1): Update.
314 * tree-tailcall.c (arg_needs_copy_p): Update.
315 (add_virtual_phis): Update.
316 (tree_optimize_tail_calls_1): Update.
317 * tree-ssa-dse.c (memory_ssa_name_same): Update.
318 * tree-ssa-copyrename.c
319 (copy_rename_partition_coalesce): Update.
320 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
321 * tree-ssa-propagate.c (set_rhs): Update.
322 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
323 addressable_vars, global_var):Kill.
324 (set_initial_properties): Update.
325 (init_alias_info): Update.
326 (finalize_ref_all_pointers): Update.
327 (setup_pointers_and_addressables): Update.
328 (maybe_create_global_var): Update.
329 (create_global_var): Update.
330 (dump_points_to_info): Update.
331 * function.h (struct gimple_df): Forward declare.
332 (struct function): Add GIMPLE_DF field.
333 * gimplify.c (force_gimple_operand): Update.
334 * tree-dfa.c (referenced_vars, default_defs): KIll.
335 (make_rename_temp): Update.
336 (dump_variable): Update.
337 (referenced_var_lookup): Update.
338 (referenced_var_check_and_insert): Update.
339 (default_def): Rename to ...
340 (gimple_default_def): ... this one; accept cfun argument.
341 (set_default_def): Update.
342 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
343 (cleanup_control_flow): Update.
344 * tree-ssa-pre.c (compute_avail): Update
345 * tree-ssa-live.c (calculate_live_on_entry): Update.
346 * tree-ssa.c (verify_use): Update.
347 (verify_call_clobbering): Update.
348 (verify_call_clobbering): Update.
349 (init_tree_ssa): Update.
350 (delete_tree_ssa): Update.
351 * tree-outof-ssa.c (coalesce_ssa_name): Update.
352 (rewrite_out_of_ssa): Update.
353 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
354 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
356 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
357 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
358 addressable_vars, aliases_computed_p): Kill.
359 (default_def): Rename to...
360 (gimple_default_def): ... this one.
361 (defaule_def_fn): Kill.
362 (num_referenced_vars, ssa_names, num_ssa_names): Update.
363 * tree-ssa-structalias.c (nonlocal_all): Kill.
364 (get_constraint_exp_from_ssa_var): Update.
365 (create_nonlocal_var): Update.
366 (get_constraint_for): Update.
367 (update_alias_info): Update.
368 (find_global_initializers): Update.
369 (intra_create_variable_infos): Update.
370 (intra_create_variable_infos):
371 (find_what_p_points_to): Update.
372 (init_alias_heapvars): Update.
373 * tree-cfg.c (remove_bb): Update.
374 (gimplify_val): Update.
375 * tree-ssa-reassoc.c (get_rank): Update.
376 (init_reassoc): Update.
377 * tree-ssanames.c: Do not include gt-tree-ssanames.h
378 (ssa_names, free_ssanames): Kill.
379 (init_ssanames): Update.
380 (make_ssa_name): Update.
381 (release_ssa_name): Update.
382 (release_defs): Update.
383 (replace_ssa_name_symbol): Update.
384 * tree-ssa-operands.c (access_can_touch_variable): Update.
385 (add_virtual_operand): Update.
386 (add_call_clobber_ops): Update.
387 (add_call_read_ops): Update.
388 (get_call_expr_operands): Update.
389 (get_asm_expr_operands): Update.
391 2006-11-28 Jan Hubicka <jh@suse.cz>
393 * builtins.c: Include tree-flow.h.
394 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
395 assignment; convert memmove to memcpy for sizes greater than 1 where
396 alignment of operands prohibit the partial overlap.
398 2006-11-28 Jan Hubicka <jh@suse.cz>
400 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
401 * cgraph.c (dump_cgraph_node): Dump stack usage.
402 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
403 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
404 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
405 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
406 (cgraph_check_inline_limits): Limit stack growth.
407 * cfgexpand.c: Include tree-inline.h.
408 (account_stack_vars): New function.
409 (expand_one_var): New param to just account the stack; return estimated
411 (expand_used_vars_for_block): Update call of expand_one_var.
412 (account_used_vars_for_block): New function.
413 (estimated_stack_frame_size): Likewise.
414 (init_vars_expansion, fini_vars_expansion): Break out from..
415 (expand_used_vars): ... here.
416 * tree-inline.h (estimated_stack_frame_size): Declare.
417 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
419 2006-11-28 Richard Guenther <rguenther@suse.de>
421 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
422 unsigned long for printing OBJECT_SIZE.
424 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
426 * alias.c (init_alias_analysis): Remove simplification loop
427 after propagating pointers.
429 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
431 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
434 2006-11-27 Bob Wilson <bob.wilson@acm.org>
436 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
438 2006-11-27 Roger Sayle <roger@eyesopen.com>
439 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
441 * c-common.c (constant_fits_type_p): Delete.
442 (unsigned_conversion_warning): Delete.
443 (conversion_warning): Integrate Wconversion warning from
444 unsigned_conversion_warning.
445 (convert_and_check): Integrate Woverflow warning from
446 unsigned_conversion_warning. Reorganize and simplify to avoid
447 dependence upon the middle-end setting TREE_OVERFLOW on integral
448 conversions, by using int_fits_type_p directly.
450 2006-11-27 Tobias Burnus <burnus@net-b.de>
452 * doc/invoke.texi: Fixed typo.
454 2006-11-27 Michael Matz <matz@suse.de>
455 Andreas Krebbel <krebbel1@de.ibm.com>
458 * config/s390/predicates.md (larl_operand): Check addend of larl
459 operand to be in range of -/+2GB.
460 * config/s390/s390.c (legitimize_pic_address): Likewise.
461 Changed type of variable even to HOST_WIDE_INT.
463 2006-11-27 Jan Hubicka <jh@suse.cz>
465 * expr.c (emit_block_move_via_libcall): Export.
466 (clear_storage_via_libcall): Rename to ...
467 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
468 (clear_storage): Update to set_storage_via_libcall.
469 * expr.h (emit_block_move_via_libcall): Declare
470 * config/i386/i386.h (stringop_alg): New enum.
471 (MAX_STRINGOP_ALGS): New constant.
472 (stringop_algs): New struct.
473 (processor_costs): Add memcpy/memset descriptors.
474 (TARGET_REP_MOVEL_OPTIMAL): Remove.
475 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
476 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
478 * config/i386/i386.opt (minline-stringops-dynamically,
479 mstringop-strategy): New
481 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
482 (ix86_expand-clrmem): Rename to ...
483 (ix86_expand_setmem): ... this one; update prototype.
484 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
485 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
486 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
487 nocona_cost, core2_cost, generic_cost, generic64_cost,
488 generic32_cost): Add memcpy/memset descriptors.
489 (x86_rep_movl_optimal): Remove.
490 (stringop_alg): New static variable.
491 (ix86_expand_aligntest): Handle predictions.
492 (override_options): Add strgop_alg handling.
493 (predict_jump): New function.
494 (scale_counter): New function.
495 (expand_set_or_movmem_via_loop): New function.
496 (expand_movmem_via_rep_mov): New function.
497 (expand_setmem_via_rep_stots): New function.
498 (emit_strmov): New function.
499 (expand_movmem_epilogue): New function.
500 (expand_setmem_epilogue_via_loop): New function.
501 (expand_setmem_epilogue): New function.
502 (expand_movmem_prologue): New function.
503 (expand_setmem_prologue): New function.
504 (decide_alg): New function.
505 (decide_alignment): New function.
506 (ix86_exand_movmem): Rewrite.
507 (promote_duplicated_reg): New function.
508 (ix86_expand_clrmem): Rename to ...
509 (ix86_expand_setmem): ... this one. Rewrite.
511 * invoke.texi (minline-stringops-dynamically): New command line option.
512 (mstringop-strategy): Likewise.
514 2006-11-27 Jan Hubicka <jh@suse.cz>
516 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
517 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
518 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
519 * insn-notes.def (FUNCTION_END): Remove.
520 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
521 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
523 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
524 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
525 * cfglayout.c (duplicate_insn_chain): Don't worry about
528 2006-11-27 Richard Guenther <rguenther@suse.de>
529 Zdenek Dvorak <dvorakz@suse.cz>
531 * target.h (struct gcc_target): Add builtin_vectorized_function
533 * target-def.h (TARGET_VECTORIZE): Likewise.
534 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
535 Document new target hook.
536 * targhooks.h (default_builtin_vectorized_function): Declare.
537 * targhooks.c (default_builtin_vectorized_function): Define.
538 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
539 (vectorizable_call): Declare.
540 * tree-vect-analyze.c (vect_analyze_operations): Call
542 * tree-vect-transform.c (vectorizable_function): New static function.
543 (build_vectorized_function_call): Likewise.
544 (vectorizable_call): New function.
545 (vect_transform_stmt): Handle vectorizable calls.
547 2006-11-27 Richard Guenther <rguenther@suse.de>
550 * builtins.c (expand_builtin_pow): Optimize non integer valued
551 constant exponents using sqrt or cbrt if possible. Always fall back
552 to expanding via optabs.
554 2006-11-27 Ira Rosen <irar@il.ibm.com>
556 PR tree-optimization/22372
557 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
558 the type of the base address.
559 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
560 it in the data-ref pointer creation.
561 (vect_init_vector): Add an argument, type of the init vector. Use it in
563 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
564 (get_initial_def_for_reduction): Likewise.
565 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
567 (vectorizable_assignment, vect_permute_store_chain): Likewise.
568 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
569 correct type in stmt creation.
570 (vect_setup_realignment): Use the correct type in stmt creation.
571 (vect_permute_load_chain): Change type of MODIFY_EXPR to
573 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
574 of MODIFY_EXPR to void_type_node.
575 (vectorizable_condition): Change type of MODIFY_EXPR to
577 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
580 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
583 2006-05-08 Uros Bizjak <uros@kss-loka.si>
584 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
585 standard 80387 constants, raise the cost to prevent
586 compress_float_constant() to generate load from memory.
588 * config/i386/i386.md: Add new splitter pattern to split
589 float_extended load of constant from constant pool into
592 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
594 * doc/install.texi: Move GMP/MPFR configure options from Fortran
595 section to general section. Remove documentation for
596 --with-mpfr-dir and --with-gmp-dir, add documentation for
597 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
600 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
602 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
604 * testsuite/gcc.dg/ipa/ipa-6.c: New.
606 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
608 PR tree-optimization/29122
609 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
610 for the new version. Assign NULL to DECL_RTL of the new version.
612 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
614 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
616 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
618 * cse.c (cse_altered): Remove.
619 (record_jump_equiv): Make true/false argument a bool instead
621 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
622 where appropriate. Emit a new jump before the existing one
623 instead of after so that delete_insn_and_edges removes the
624 dead edges properly. Check any_condjump_p before calling
626 (cse_basic_block): Check any_condjump_p before calling
628 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
630 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
632 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
633 -ffixed-line-length-* options.
635 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
637 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
638 (fprem1xf4): Rename to fprem1xf4_i387.
640 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
641 Rename patterns to fmod<mode>3. Use general_operand operand
642 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
643 patterns for SSE math.
644 (remaindersf3, remainderdf3): Ditto.
646 2006-11-25 Joseph Myers <joseph@codesourcery.com>
648 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
649 inside start_sequence / end_sequence pair.
651 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
653 * jump.c (mark_all_labels): Work in cfglayout mode.
654 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
655 when in cfglayout mode, because there are no dead jumptables
657 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
659 (commit_edge_insertions): Do not allow insertion of instructions
660 with control flow insns when in cfglayout mode.
662 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
664 * tree-vrp.c (execute_vrp): Do not pass loops structure through
666 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
667 unswitch_loop): Ditto.
668 * tree-loop-linear.c (linear_transform_loops): Ditto.
669 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
670 tree_ssa_lim): Ditto.
671 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
672 free_numbers_of_iterations_estimates): Ditto.
673 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
674 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
675 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
676 remove_path, add_loop, loopify, unloop, fix_loop_placements,
677 place_new_loop, duplicate_loop, duplicate_subloops,
678 update_single_exit_for_duplicated_loops, copy_loops_to,
679 duplicate_loop_to_header_edge, create_preheaders,
680 force_single_succ_latches, loop_version, fix_loop_structure):
682 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
683 tree_unroll_loop): Ditto.
684 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
685 * tree-scalar-evolution.c (select_loops_exit_conditions,
686 scev_initialize, scev_analysis): Ditto.
687 * tree-scalar-evolution.h (scev_initialize): Ditto.
688 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
689 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
690 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
691 * modulo-sched.c (sms_schedule): Ditto.
692 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
693 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
694 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
695 * ifcvt.c (if_convert): Ditto.
696 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
697 canonicalize_loop_induction_variables,
698 canonicalize_induction_variables,
699 tree_unroll_loops_completely, remove_empty_loops): Ditto.
700 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
701 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
702 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
703 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
704 tree_ssa_loop_done): Ditto.
705 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
706 estimate_bb_frequencies): Ditto.
707 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
708 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
709 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
710 decide_unrolling_and_peeling, peel_loop_completely,
711 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
712 peel_loop_simple, unroll_loop_stupid): Ditto.
713 * loop-doloop.c (doloop_optimize_loops): Ditto.
714 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
715 * loop-invariant.c (move_loop_invariants): Ditto.
716 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
717 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
718 tree_ssa_prefetch_arrays): Ditto.
719 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
721 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
722 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
723 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
724 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
725 verify_loop_structure): Ditto.
726 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
727 canonicalize_induction_variables, tree_unroll_loops_completely,
728 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
729 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
730 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
731 tree_unroll_loop, linear_transform_loops): Declaration changed.
732 * basic-block.h: Remove declaration of struct loops.
733 * cfghooks.h (struct cfg_hooks): Change type of
734 cfg_hook_duplicate_loop_to_header_edge.
735 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
736 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
737 vect_transform_loop): Declaration changed.
738 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
739 * cfgloop.h (flow_loops_dump, fix_loop_structure,
740 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
741 cancel_loop_tree, create_preheaders, force_single_succ_latches,
742 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
743 loopify, loop_version, remove_path, unswitch_loops,
744 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
747 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
749 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
750 (X87MODEF): New mode macro.
751 (ssemodefsuffix): New mode attribute.
752 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
753 (sqrt_extend<mode>xf2_i387): New insn pattern.
754 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
755 insn and truncate result back to original mode using
756 UNSPEC_TRUNC_NOOP truncation.
757 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
758 ssemodefsuffix mode attribute.
759 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
760 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
761 (*sqrtextenddfxf2_i387): Remove insn patterns.
763 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
766 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
768 2006-11-24 Jakub Jelinek <jakub@redhat.com>
771 * c-tree.h (c_maybe_initialize_eh): New prototype.
772 * c-decl.c (finish_decl): Move EH initialization...
773 (c_maybe_initialize_eh): ... here. New function.
774 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
775 if not #pragma omp atomic.
778 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
779 or UNION_TYPE inner types.
781 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
784 * ipa-pure-const.c (check_tree): If the original tree
785 is volatile return early and say the function is not pure
786 nor const. Remove the volatile check for writes.
787 (analyze_function): Print out the result of the local
790 2006-11-24 Joseph Myers <joseph@codesourcery.com>
792 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
794 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
795 * config/rs6000/rs6000.c (rs6000_override_options): Use
796 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
799 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
801 * config/s390.c (s390_emit_compare_and_swap): New function.
802 (s390_expand_cs_hqi, s390_expand_atomic): Call
803 s390_emit_compare_and_swap.
805 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
807 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
809 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
813 * c-common.c (conversion_warning): New.
814 (convert_and_check): Call conversion_warning unless there is an
816 * doc/invoke.texi (-Wconversion): Update description.
818 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
820 * tree-ssa-alias.c (tree_pointer_compare): New function.
821 (compact_name_tags): New function.
822 (group_aliases): Call compact_name_tags.
824 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
826 * real.h (real_isinteger): Declare.
827 * real.c (real_isinteger): Define.
828 * builtins.c (integer_valued_real_p): Use it.
830 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
833 * c.opt (Wtraditional-conversion): New.
834 (Wconversion): Update description.
835 * c-typeck.c (convert_arguments): Warnings for prototypes causing
836 type conversions different from what would happen in the absence
837 of prototype are now handled by Wtraditional-conversion.
838 * doc/invoke.texi (Wtraditional-conversion): New.
839 (Wconversion): Update description.
840 * doc/trouble.texi (Wconversion): Replace Wconversion by
841 Wtraditional-conversion.
843 2006-11-23 Andrew Pinski <pinskia@gmail.com>
845 * predict.c (tree_estimate_probability): Check to make
846 sure current_loops is non null before calling flow_loops_dump.
848 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
850 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
852 2006-11-23 David Ung <davidu@mips.com>
854 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
856 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
857 (ASM_SPEC): Pass along -mfp32 and -mfp64.
858 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
859 high part of FP register when in 64-bit FP register mode. Similarly
860 use gen_mfhc1 to load high part of FP register.
861 (override_options): Allow -mgp32 and -mfp64 combination if
862 ISA_HAS_MXHC1 (currently for O32 only).
863 (mips_cannot_change_mode_class): If floating-point registers are
864 bigger than word size. disallow conversion of float register from a
865 large integer mode to a float mode smaller than the float register
867 (mips_class_max_nregs): Handle float registers case seperately.
868 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
870 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
871 (movdf_hardfloat_32bit): Similarly.
872 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
873 support a full 64-bit fpu.
874 (mthc1): New pattern to generate MTHC1 instruction.
875 (mfhc1): New pattern to generate MFHC1 instruction.
876 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
877 option for the MIPS32R2 and mention its use under O32 ABI.
879 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
881 * var-tracking.c (emit_note_insn_var_location): Take care not to
882 cause verify_flow_info failures.
884 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
886 * tree-ssa-structalias.c: Remove edge weights in favor of just
887 processing them as complex constraints.
888 (struct constraint_graph): Remove weighted succs and preds. Rename
889 nonweighted succs and preds.
890 (constraint_edge): Removed.
891 (constraint_edge_t): Ditto.
892 (constraint_edge_pool): Ditto.
893 (new_constraint_edge): Ditto.
894 (constraint_edge_equal): Ditto.
895 (constraint_edge_less): Ditto.
896 (constraint_edge_vec_find): Ditto.
897 (erase_self_graph_edge): Ditto.
898 (add_graph_edge): Removed.
899 (get_graph_weights): Ditto.
900 (allocate_graph_weights): Ditto.
901 (valid_weighted_graph_edge): Ditto
902 (bitmap_other_than_zero_bit_set): Ditto.
903 (int_add_graph_edge): Renamed to add_graph_edge.
904 (clear_edges_for_node): Remove support for weighted edges.
905 (merge_graph_nodes): Ditto.
906 (valid_graph_edge): Ditto.
907 (build_constraint_graph): Ditto.
909 (collapse_nodes): Ditto.
910 (process_unification_queue): Ditto.
912 (do_ds_constraint): Ditto.
913 (perform_var_subsitution): Ditto.
914 (solve_graph): Ditto.
915 (init_alias_vars): Ditto.
916 (delete_points_to_sets): Ditto.
917 (do_complex_constraint): Support offsetted copies here.
919 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
921 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
923 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
925 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
928 2006-11-23 Ben Elliston <bje@au.ibm.com>
930 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
932 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
934 PR tree-optimization/29921
935 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
936 signed and unsigned zero equal.
938 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
940 * config/rs6000/rs6000.c (get_store_dest): New.
941 (adjacent_mem_locations): Use get_store_dest() to get
942 the rtl of the store destination.
944 2006-11-22 Joseph Myers <joseph@codesourcery.com>
946 * config/rs6000/spe.md (SPE64): New mode macro.
947 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
949 (mov_si<mode>_e500_subreg0_2): New.
950 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
952 (mov_si<mode>_e500_subreg4_2): New.
953 * config/rs6000/predicates.md (input_operand): Do not allow
954 invalid E500 subregs.
955 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
957 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
958 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
959 involving vector modes if TARGET_SPE.
961 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
964 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
965 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
967 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
969 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
970 mem_i_address_operand): New predicates.
971 * config/bfin/bfin.c (bfin_issue_rate): New function.
972 (TARGET_SCHED_ISSUE_RATE): New macro.
973 * config/bfin/bfin.md (addrtype): New attribute.
974 (slot0, slot1, slot2, store, pregs): New cpu_units.
975 (core): Now a define_reservation.
976 (alu): Remove some insn types from this reservation.
977 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
979 (dummy reservation): Don't trigger for mcld insns.
980 (absence_sets): Two new absence sets to enforce slot ordering.
981 (popsi_insn): Set addrtype.
983 2006-11-22 Ira Rosen <irar@il.ibm.com>
985 * doc/c-tree.texi: Document new tree codes.
986 * doc/md.texi: Document new optabs.
987 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
989 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
990 * optabs.h (optab_index): Add new.
991 (vec_extract_even_optab, vec_extract_odd_optab,
992 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
993 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
994 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
996 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
997 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
998 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
999 along with macros for their access.
1000 * tree-data-ref.h (first_location_in_loop, data_reference): Update
1002 * tree-vect-analyze.c (toplev.h): Include.
1003 (vect_determine_vectorization_factor): Fix indentation.
1004 (vect_insert_into_interleaving_chain,
1005 vect_update_interleaving_chain, vect_equal_offsets): New functions.
1006 (vect_analyze_data_ref_dependence): Add argument for interleaving
1007 check. Check for interleaving if it's true.
1008 (vect_check_dependences): New function.
1009 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
1010 every ddr. Call vect_analyze_data_ref_dependence with new argument.
1011 (vect_update_misalignment_for_peel): Update for interleaving.
1012 (vect_verify_datarefs_alignment): Check only first data-ref for
1014 (vect_enhance_data_refs_alignment): Update for interleaving. Check
1015 only first data-ref for interleaving.
1016 (vect_analyze_data_ref_access): Check interleaving, update
1018 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
1019 with different parameters.
1020 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
1021 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
1022 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
1023 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1024 Update step in case of interleaving.
1025 (vect_strided_store_supported, vect_permute_store_chain): New
1027 (vectorizable_store): Handle strided stores.
1028 (vect_strided_load_supported, vect_permute_load_chain,
1029 vect_transform_strided_load): New functions.
1030 (vectorizable_load): Handle strided loads.
1031 (vect_transform_stmt): Add argument. Handle strided stores. Check
1032 that vectorized stmt exists for patterns.
1033 (vect_gen_niters_for_prolog_loop): Update calculation for
1035 (vect_transform_loop): Remove stmt_vec_info for strided stores after
1036 whole chain vectorization.
1037 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
1038 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
1039 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
1040 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
1041 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
1043 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
1045 * cse.c (enum taken): Remove PATH_AROUND.
1046 (addr_affects_sp_p, invalidate_skipped_set,
1047 invalidate_skipped_block): Remove.
1048 (cse_end_of_basic_block): Remove skip_blocks and related code.
1049 (cse_main): Don't test for flag_cse_skip_blocks.
1050 Update cse_end_of_basic_block call.
1051 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
1052 code to lengthen the path if a jump was simplified.
1054 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1056 PR rtl-optimization/29924
1057 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
1058 (unroll_loop_runtime_iterations): Assert that the argument passed to
1059 split_edge_and_insert is not NULL.
1060 * loop-doloop.c (add_test): Ditto.
1062 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1064 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
1066 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
1067 * cfgloopmanip.c (update_single_exits_after_duplication,
1068 update_single_exit_for_duplicated_loop, loop_version): Ditto.
1069 * tree-scalar-evolution.c (get_loop_exit_condition,
1070 get_exit_conditions_rec, loop_closed_phi_def,
1071 number_of_iterations_in_loop, scev_const_prop): Ditto.
1072 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
1073 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
1075 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1077 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1078 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
1079 slpeel_make_loop_iterate_ntimes,
1080 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
1081 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1083 * tree-if-conv.c (if_convertible_loop_p): Ditto.
1084 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1085 vect_analyze_loop_form): Ditto.
1086 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1087 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1088 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1089 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1090 vect_transform_loop): Ditto.
1091 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1092 (single_exit, set_single_exit): New functions.
1093 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1094 (single_exit, set_single_exit): Declare.
1095 * doc/loop.texi: Undocument single_exit field. Document single_exit
1098 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1100 PR tree-optimization/29902
1101 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1102 any involved ssa name appears in abnormal phi node.
1104 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1106 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1107 (xtensa_const_ok_for_letter_p): Delete.
1108 (xtensa_extra_constraint): Delete.
1109 (override_options): Delete xtensa_char_to_class initialization.
1110 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1111 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1112 (EXTRA_CONSTRAINT): Delete.
1113 * config/xtensa/xtensa.md: Include constraints.md.
1114 (call_internal): Combine alternatives.
1115 (call_value_internal): Likewise, and remove invalid constraints.
1116 * config/xtensa/constraints.md: New file.
1117 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1118 (xtensa_extra_constraint): Delete.
1119 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1122 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1124 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1125 of conversion that doesn't fit.
1127 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1128 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1129 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1131 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1133 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1135 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1137 2006-11-21 Richard Guenther <rguenther@suse.de>
1139 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1140 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1141 vect_recog_pow_pattern.
1142 (vect_recog_pow_pattern): New function.
1144 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1146 * config/bfin/bfin.opt (mstack-check-l1): New.
1147 * doc/invoke.texi (Blackfin Options): Document it.
1148 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1149 stack bounds in L1 memory if the new option is enabled.
1150 (override_options): Don't allow combinations of -fstack-limit and
1152 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1155 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1157 (bfin_register_move_cost): Bump costs if trying to move plain
1158 integer values through accumulators.
1160 2006-11-21 Ben Elliston <bje@au.ibm.com>
1162 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1164 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1165 Russell Olsen <Russell_Olsen@playstation.sony.com>
1166 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1167 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1168 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1169 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1170 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1172 * config.gcc: Add target for SPU.
1173 * config/spu/constraints.md: New file.
1174 * config/spu/crt0.c: New file.
1175 * config/spu/crtend.c: New file.
1176 * config/spu/crti.asm: New file.
1177 * config/spu/crtn.asm: New file.
1178 * config/spu/float_unsdidf.c: New file.
1179 * config/spu/float_unssidf.c: New file.
1180 * config/spu/predicates.md: New file.
1181 * config/spu/spu-builtins.def: New file.
1182 * config/spu/spu-builtins.h: New file.
1183 * config/spu/spu-builtins.md: New file.
1184 * config/spu/spu-c.c: New file.
1185 * config/spu/spu-elf.h: New file.
1186 * config/spu/spu-modes.def: New file.
1187 * config/spu/spu-protos.h: New file.
1188 * config/spu/spu.c: New file.
1189 * config/spu/spu.h: New file.
1190 * config/spu/spu.md: New file.
1191 * config/spu/spu.opt: New file.
1192 * config/spu/spu_internals.h: New file.
1193 * config/spu/spu_intrinsics.h: New file.
1194 * config/spu/spu_mfcio.h: New file.
1195 * config/spu/t-spu-elf: New file.
1196 * config/spu/vec_types.h: New file.
1197 * config/spu/vmx2spu.h: New file.
1198 * doc/contrib.texi: Document SPU contributor.
1199 * doc/extend.texi: Document SPU extensions.
1200 * doc/invoke.texi: Document SPU options.
1201 * doc/md.texi: Document SPU constraints.
1203 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1205 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1207 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1209 (flow_loop_dump): Do not dump loop level.
1210 (flow_loops_find): Do not call flow_loops_level_compute.
1211 * cfgloop.h (struct loop): Remove level field.
1213 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1215 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1216 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1217 Use vector of edges instead of array.
1218 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1219 estimate_numbers_of_iterations_loop): Ditto.
1220 * predict.c (predict_loops): Ditto.
1221 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1222 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1224 * basic-block.h: Declare heap allocation for edge vectors.
1225 * tree-outof-ssa.c: Ditto.
1226 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1227 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1229 2006-11-20 Zack Weinberg <zackw@panix.com>
1231 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1232 Add another out parameter, "skip".
1233 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1234 is tagged "skip", do not mark its type used.
1236 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1239 * tree-sra.c (single_scalar_field_in_record_p): New function.
1240 (decide_block_copy): Use it.
1242 2006-11-20 David Daney <ddaney@avtrex.com>
1244 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1245 PC to point to following instruction.
1247 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1251 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1253 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1255 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1257 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1258 Add sh/superh.h to tm_file.
1260 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1261 Mark Mitchell <mark@codesourcery.com>
1263 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1265 (cpp_relocated): New function.
1266 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1268 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1269 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1270 replace configured prefix with gcc_exec_prefix.
1272 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1274 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1275 bfin_legitimate_constant_p.
1276 * config/bfin/bfin.md (movsi expander): Check return value of
1278 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1279 (expand_move): Adjust prototype.
1280 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1281 invalid constants specially.
1282 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1284 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1286 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1287 sibcall_value_symbol): Allow these patterns if
1288 TARGET_LEAF_ID_SHARED_LIBRARY.
1289 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1290 (override_options): Turn on id shared library flags if -msep-data,
1291 but disallow the combination of these options on the command line.
1292 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1293 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1294 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1295 -mid-shared-library.
1296 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1297 * doc/invoke.texi (Blackfin Options): Document new switches.
1299 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1300 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1302 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1303 inflate costs for addresses with an out-of-bounds address.
1305 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1308 * fwprop.c (loops): Remove.
1309 (forward_propagate_into): Use current_loops instead of
1311 (fwprop_init): Call loop_optimizer_init instead of
1313 (fwprop_done): Call loop_optimizer_finalize instead of
1315 (fwprop): Use current_loops instead of loops.
1317 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1320 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1322 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1325 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1326 larger than BITS_PER_WORD.
1328 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1332 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1333 to MAX_FIXED_MODE_SIZE.
1335 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1337 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1338 (fold_builtin_fmin_fmax): New.
1339 (fold_builtin_1): Use it.
1341 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1343 2006-11-18 Richard Guenther <rguenther@suse.de>
1345 * config/i386/i386.c (ix86_builtins): New array for ix86
1346 builtin function decls.
1347 (def_builtin): New function.
1348 (def_builtin_const): Likewise.
1349 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1351 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1353 * doc/invoke.texi (core2): Add item.
1355 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1357 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1358 (TARGET_CPU_DEFAULT_generic): Change value.
1359 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1360 (processor_type): Add new constant PROCESSOR_CORE2.
1362 * config/i386/i386.md (cpu): Add core2.
1364 * config/i386/i386.c (core2_cost): New initialized variable.
1365 (m_CORE2): New macro.
1366 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1367 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1368 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1369 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1370 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1371 x86_accumulate_outgoing_args, x86_prologue_using_move,
1372 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1373 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1374 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1375 x86_pad_returns): Add m_CORE2.
1376 (override_options): Add entries for Core2.
1377 (ix86_issue_rate): Add case for Core2.
1379 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1381 * doc/invoke.texi: Fix mno-isel typo.
1383 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1385 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1386 easy vector constant loads.
1388 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1390 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1391 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1392 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1393 * config/rs6000/sync.md (lwsync): Emit plain sync if
1396 2006-11-17 DJ Delorie <dj@redhat.com>
1398 * reload1.c (reloads_unique_chain): New.
1399 (reloads_conflict): Call it.
1401 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1403 * config/xtensa/predicates.md (addsubx_operand): New.
1404 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1405 (xtensa_emit_bit_branch): New.
1406 (xtensa_emit_movcc): New.
1407 * config/xtensa/xtensa.md (any_minmax): New code macro.
1408 (minmax): New code attribute.
1409 (any_cond, any_scc, any_scc_sf): New code macros.
1410 (*addx2, *addx4, *addx8): Delete.
1412 (*subx2, *subx4, *subx8): Delete.
1414 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1415 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1416 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1417 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1418 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1419 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1420 (movsfcc_internal0, movsfcc_internal1): Likewise.
1421 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1422 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1423 (xtensa_emit_bit_branch): New.
1424 (xtensa_emit_movcc): New.
1425 (function_arg_boundary): Add missing prototype.
1427 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1429 * config/xtensa/xtensa.md (tstsi): Delete
1431 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1433 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1435 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1437 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1439 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1441 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1443 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1445 * tree-vrp.c (execute_vrp): Do not update current_loops.
1446 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1447 * doc/loop.texi: Remove documentation for cancelled functions.
1448 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1449 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1451 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1452 (remove_path): Ensure that in delete_basic_blocks, the loops
1453 are still allocated.
1454 (add_loop): Work on valid loop structures.
1455 (loopify): Modify call of add_loop.
1456 (mfb_update_loops): Removed.
1457 (create_preheader): Do not update loops explicitly.
1458 (force_single_succ_latches, loop_version): Do not use
1459 loop_split_edge_with.
1460 (loop_split_edge_with): Removed.
1461 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1462 Do not use bsi_insert_on_edge_immediate_loop.
1463 (split_loop_exit_edge, tree_unroll_loop): Do not use
1464 loop_split_edge_with.
1465 (bsi_insert_on_edge_immediate_loop): Removed.
1466 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1467 use loop_split_edge_with.
1468 * cfghooks.c: Include cfgloop.h.
1469 (verify_flow_info): Verify that loop_father is filled iff current_loops
1471 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1472 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1474 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1476 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1477 loop_split_edge_with.
1478 (sms_schedule): Use current_loops.
1479 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1480 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1482 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1483 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1484 * ifcvt.c (if_convert): Ditto.
1485 * predict.c (predict_loops): Do not clear current_loops.
1486 (tree_estimate_probability): Use current_loops.
1487 (propagate_freq): Receive head of the region to propagate instead of
1489 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1490 (estimate_loops): New function. Handle case current_loops == NULL.
1491 (estimate_bb_frequencies): Do not allocate tovisit. Use
1493 * tree-ssa-loop.c (current_loops): Removed.
1494 (tree_loop_optimizer_init): Do not return loops.
1495 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1496 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1497 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1498 Do not update loops explicitly.
1499 * function.h (struct function): Add x_current_loops field.
1500 (current_loops): New macro.
1501 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1502 * loop-unroll.c (split_edge_and_insert): New function.
1503 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1504 use loop_split_edge_with.
1505 * loop-doloop.c (add_test, doloop_modify): Ditto.
1506 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1507 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1508 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1509 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1511 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1512 (flow_loops_free): Do not free dfs_order and rc_order.
1513 (flow_loops_find): Do not set dfs_order and rc_order in loops
1514 structure. Do not call loops and flow info verification.
1515 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1516 already belongs to some loop.
1517 * cfgloop.h (struct loops): Remove struct cfg.
1518 (current_loops, loop_split_edge_with): Declaration removed.
1519 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1520 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1521 Declaration removed.
1522 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1523 * basic-block.h (split_edge_and_insert): Declare.
1524 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1526 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1528 PR tree-optimization/29801
1529 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1530 (get_default_value): Use get_symbol_constant_value.
1531 (set_lattice_value): ICE when the value of the constant is
1533 (visit_assignment): Ignore VDEFs of read-only variables.
1535 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1537 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1539 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1540 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1542 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1544 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1545 select subvars of var.
1547 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1550 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1551 optimize if DEF doesn't have integral type.
1553 2006-11-16 Mike Stump <mrs@apple.com>
1555 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1556 pre-darwin9 system, unless the user asks for it directly.
1557 (PREFERRED_DEBUGGING_TYPE): Likewise.
1558 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1559 * config.gcc: Add suppport for darwin9.h.
1560 * config/darwin9.h: Add.
1561 * doc/install.texi (Specific): Clarify darwin documentation.
1563 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1565 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1566 optimizing for size.
1568 2006-11-16 Mike Stump <mrs@apple.com>
1570 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1572 2006-11-16 Dirk Mueller <dmueller@suse.de>
1574 * tree-vrp.c (get_value_range): Use XCNEW instead
1576 (insert_range_assertions): Use XCNEWVEC instead
1577 of XNEWVEC and memset.
1578 (vrp_initialize): Same.
1579 (vrp_finalize): Same.
1580 * tree-ssa-ccp.c (ccp_initialize): Same.
1581 * predict.c (tree_bb_level_predictions): Same.
1582 * calls.c (expand_call): Same.
1583 * tree-ssa-copy.c (init_copy_prop): Same.
1584 (fini_copy_prop): Same.
1585 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1586 of GGC_NEW and memset.
1588 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1591 * gimplify.c (gimplify_expr): Only force a load for references to
1592 non-BLKmode volatile values.
1593 * doc/implement-c.texi (Qualifiers implementation): Document the
1594 interpretation of what a volatile access is.
1595 * doc/extend.texi (C++ Extensions): Rework same documentation.
1597 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1599 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1602 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1604 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1606 (arm_neg_abssi2): Renamed from neg_abssi2.
1607 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1609 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1611 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1612 number of arguments passed to local functions in SSE registers is 3.
1614 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1615 number of arguments passed in SSE registers to 3.
1617 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1620 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1622 (get_last_bb_insn): ... new global function.
1623 (basic_block.h): Declare it.
1624 * haifa-sched.c (create_recovery_block): Use it.
1626 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1629 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1631 2006-11-15 Paul Brook <paul@codesourcery.com>
1633 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1634 _Unwind_GetTextRelBase): Move from here ...
1635 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1636 _Unwind_GetTextRelBase): ... To here.
1638 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1640 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1641 addresses we generate for testing are aligned.
1643 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1646 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1647 to what is the const decl is a place holder for.
1649 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1651 * config/i386/i386.opt: New target option -mx87regparm.
1653 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1654 and float_in_x87 variables. mmx_words, sse_words: Remove.
1655 (X87_REGPARM_MAX): Define.
1657 * config/i386/i386.c (override_options): Error out for
1658 -mx87regparm but no 80387 support.
1659 (ix86_attribute_table): Add x87regparm.
1660 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1661 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1662 (ix86_function_x87regparm): New function.
1663 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1665 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1667 (function_arg_advance): Process x87_nregs and x87_regno when
1668 floating point argument is to be passed in 80387 register.
1669 (function_arg): Pass XFmode arguments in 80387 registers for local
1670 functions. Pass SFmode and DFmode arguments to local functions
1671 in 80387 registers when flag_unsafe_math_optimizations is set.
1673 * reg-stack.c (convert_regs_entry): Disable NaN load for
1674 stack registers that are used for argument passing.
1676 * doc/extend.texi: Document x87regparm function attribute.
1677 * doc/invoke.texi: Document -mx87regparm.
1679 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1681 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1682 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1683 arg MODE; all callers changed. Use it to determine validity per
1684 machine mode instead of using Pmode for all memory references.
1685 (get_address_cost): Likewise add and use new arg MEM_MODE.
1687 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1688 J"orn Rennecke <joern.rennecke@st.com>
1690 * combine.c (likely_spilled_retval_1): Fix masking operation.
1691 (likely_spilled_retval_p): Use proper pattern for call to
1692 likely_spilled_retval_1.
1694 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1696 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1698 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1699 that tests for CONSTANT_POOL_ADDRESS_P.
1701 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1703 PR tree-optimization/29581
1704 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1705 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1706 type is different between Y and USE, create a temporary
1707 variable, initialize it at the beginning of the body bb
1708 and use it as replacement instead of Y.
1710 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1713 * gimplify.c (fold_indirect_ref_rhs): Use
1714 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1716 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1718 * expmed.c (emit_store_flag_1): New function.
1719 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1721 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1722 Use do_compare_rtx_and_jump.
1723 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1724 * arm.md (cstoresi4): New define_expand.
1725 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1726 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1727 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1729 2006-11-14 Caroline Tice <ctice@apple.com>
1731 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1732 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1734 (pubname_table): Redefine as a vector.
1735 (pubtype_table): New static global variable, defined as a vector.
1736 (pubname_table_allocated): Remove static global variable.
1737 (pubname_table_in_use): Remove static global variable.
1738 (PUBNAME_TABLE_INCREMENT): Remove constant.
1739 (size_of_pubnames): Add parameter to deal with either pubnames or
1740 pubtypes, and change code to deal with table being a vector.
1741 (add_pubname): Change to deal with table being a vector.
1742 (add_pubtype): New function.
1743 (output_pubnames): Add parameter to deal with either pubnames or
1744 pubtypes, and change code to deal with table being a vector.
1745 (gen_array_type_die): Add call to add_pubtype.
1746 (gen_enumeration_type_die): Add call to add_pubtype.
1747 (gen_struct_or_union_type_die): Add call to add_pubtype.
1748 (gen_subroutine_type_die): Add call to add_pubtype.
1749 (gen_typedef_die): Add call to add_pubtype.
1750 (dwarf2out_init): Add code to initialize pubname_table and
1751 pubtype_table vectors; also initialize debug_pubtypes_section.
1752 (prune_unused_types): Change to deal with pubnames being a vector.
1753 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1754 pubnames table to call to output_pubnames; Add code to output pubtypes
1755 table if DEBUG_PUBTYPES_SECTION is defined.
1756 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1758 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1760 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1762 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1763 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1764 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1765 movv2si_internal): Support moves between core registers.
1767 2006-11-14 Eric Christopher <echristo@apple.com>
1769 * configure: Regenerate with autoconf 2.59.
1771 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1773 Fix PR tree-optimization/27755
1775 * tree-ssa-pre.c: Update comments.
1776 (bb_bitmap_sets): Add pa_in and deferred member.
1777 (BB_DEFERRED): New macro.
1778 (maximal_set): New variable.
1779 (pre_stats): Add pa_insert member.
1780 (bitmap_set_and): Short circuit orig == dest.
1781 (bitmap_set_subtract_values): New function.
1782 (bitmap_set_contains_expr): Ditto.
1783 (translate_vuses_through_block): Add phiblock argument.
1784 (dependent_clean): New function.
1785 (compute_antic_aux): Update for maximal_set changes.
1786 (compute_partial_antic_aux): New function.
1787 (compute_antic): Handle partial anticipation.
1788 (do_partial_partial_insertion): New function.
1789 (insert_aux): Handle partial anticipation.
1790 (add_to_sets): Add to maximal set.
1791 (compute_avail): Ditto.
1792 (init_pre): Initialize maximal_set.
1793 (execute_pre): Do partial anticipation if -O3+.
1795 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1797 PR rtl-optimization/29798
1799 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1800 TARGET_INSN before any other check.
1801 (fwprop_init): Always calculate dominators.
1802 (fwprop_done): Always free them.
1804 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1806 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1809 2006-11-13 DJ Delorie <dj@redhat.com>
1811 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1812 temporary for intermediates.
1814 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1816 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1817 (sh_optimize_target_register_callee_saved): #if 0 the code
1818 using NOTE_INSN_LOOP_{BEG,END}.
1820 2006-11-13 Roger Sayle <roger@eyesopen.com>
1822 * fold-const.c (optimize_bit_field_compare): Recursively call
1823 fold when simplifying non-constant comparisons between bit-fields.
1825 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1827 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1829 * configure: Rebuilt.
1831 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1833 * config/rs6000/cell.md: New file.
1834 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1836 (ppccell_cost): New cost matrix.
1837 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1838 (rs6000_override_options): Set rs6000_always_hint to false
1839 for cell. Also align functions/lables/loops to 8byte
1840 for the Cell. Use PROCESSOR_CELL.
1841 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1842 using_mtcr_multiple.
1843 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1844 on the Cell, return 0.
1845 (rs6000_adjust_cost): Add Cell cost adjustments.
1846 (is_microcoded_insn): Return true for Cell microcoded
1848 (is_nonpipeline_insn): New function.
1849 (rs6000_issue_rate): Add PROCESSOR_CELL.
1850 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1852 (rs6000_use_sched_lookahead_guard): New function.
1853 (rs6000_sched_reorder): Reorder the ready list, if the second
1854 to last ready insn is a nonepipeline insn on the Cell.
1855 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1856 (ASM_CPU_SPEC): Add Cell.
1857 * config/rs6000/rs6000.md (cpu): Add Cell.
1858 (cell_micro): New Attr.
1861 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1863 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1865 * configure: Rebuilt.
1867 2006-11-13 Richard Guenther <rguenther@suse.de>
1869 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1871 (ix86_expand_lfloorceil): Likewise.
1872 (ix86_expand_rint): Likewise.
1873 (ix86_expand_floorceildf_32): Likewise.
1874 (ix86_expand_floorceil): Likewise.
1875 (ix86_expand_rounddf_32): Likewise.
1876 (ix86_expand_truncdf_32): Likewise.
1877 (ix86_expand_round): Likewise.
1879 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1880 Mark Mitchell <mark@codesourcery.com>
1882 * gcc.c: Organize search path variables into $prefix relative,
1883 and well-known native. Add comments.
1884 (add_sysrooted_prefix): Add comment.
1885 (process_command): If !gcc_exec_prefix add $prefix based paths.
1886 If *cross_compile == '0', add native well-known paths.
1887 Assert tooldir_base_prefix is always relative.
1888 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1889 use this value for 'install:' path.
1890 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1892 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1894 * config/i386/i386.c: Fix a typo in comment.
1896 2006-11-13 Michael Matz <matz@suse.de>
1898 * genemit.c (gen_expand): Allocate enough memory.
1900 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1902 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1903 __GXX_TYPEINFO_EQUALITY_INLINE but not
1904 __GXX_MERGED_TYPEINFO_NAMES.
1905 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1906 __GXX_MERGED_TYPEINFO_NAMES.
1907 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1908 __GXX_TYPEINFO_EQUALITY_INLINE.
1910 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1911 Zdenek Dvorak <dvorakz@suse.cz>
1913 PR tree-optimization/29680
1914 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1917 2006-11-12 Jason Merrill <jason@redhat.com>
1918 Andrew Pinski <pinskia@physics.uc.edu>
1921 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1923 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1925 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1926 * tree.c (build_vector): Handle non-_CST elements.
1928 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1930 * genemit.c (gen_insn): Call gen_exp with a non-null used
1931 when handling multiple insns.
1932 (gen_expand): Likewise.
1933 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1934 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1935 (movsi_const_16bit+1): Copy operands[1].
1936 (call_pcrel): Copy the call_site pattern.
1937 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1939 2006-11-12 Roger Sayle <roger@eyesopen.com>
1941 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1942 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1943 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1944 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1946 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1948 Fix PR tree-optimization/29587
1949 * tree-ssa-structalias.c (process_constraint): Don't
1950 mark address taken due only to escaped vars constraint.
1952 2006-11-12 Michael Matz <matz@suse.de>
1953 Roger Sayle <roger@eyesopen.com>
1955 PR rtl-optimization/29797
1956 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1957 BITS_BIG_ENDIAN targets.
1959 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1961 * builtins.c (fold_builtin_cosh): New.
1962 (fold_builtin_1): Use it.
1963 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1964 trunc to the list of "odd" functions. Also add llrint, lrint,
1965 rint and nearbyint when flag_rounding_math is false.
1967 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1969 * tree-flow.h (name_mappings_registered_p): Declare.
1970 * tree-into-ssa.c (name_mappings_registered_p): New function.
1971 * tree-cfg.c (tree_can_merge_blocks_p): Check
1972 name_mappings_registered_p instead of need_ssa_update_p.
1974 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1976 * tree-ssa-loop.c (tree_vectorize): Return the result of
1978 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1979 if anything changed.
1980 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1981 * tree-flow.h (vectorize_loops): Declaration changed.
1983 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1985 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1987 (issue_prefetch_ref): Move assignment to write_p out of loop.
1988 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1989 SIMULTANEOUS_PREFETCHES into account.
1990 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1991 * lambda-code.c (lcm): Renamed to ...
1992 (least_common_multiple): ... and exported.
1993 * tree-flow.h (least_common_multiple): Declare.
1995 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1997 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1998 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1999 ud-chains. Handle AND_EXPR.
2000 (record_estimate): Record whether the estimate is realistic
2001 and whether it is derived from a loop exit.
2002 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
2003 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
2005 (compute_estimated_nb_iterations): Take only realistic bounds into
2006 account. Set estimate_state. Use double_ints.
2007 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
2008 and infer_loop_bounds_from_signedness. Do not consider basic blocks
2009 that do not have to be always executed.
2010 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
2011 to determine whether to call infer_loop_bounds_from_undefined
2012 and compute_estimated_nb_iterations.
2013 (n_of_executions_at_most): Use double_ints.
2014 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
2015 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
2016 * double-int.c (double_int_to_tree): Improve comment.
2017 (double_int_fits_to_tree_p): New function.
2018 * double-int.h (double_int_fits_to_tree_p): Declare.
2019 * tree-data-ref.c: Include langhooks.h.
2020 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
2021 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
2022 (analyze_array): Do not pass estimate_only argument to
2023 analyze_array_indexes.
2024 (get_number_of_iters_for_loop): Build tree from the stored double_int
2026 (get_references_in_stmt, find_data_references_in_stmt): New functions.
2027 (find_data_references_in_loop): Use find_data_references_in_stmt.
2028 * tree-data-ref.h (struct data_ref_loc_d): New.
2029 (get_references_in_stmt): Declare.
2030 (estimate_iters_using_array): Declaration removed.
2031 * cfgloop.h (struct nb_iter_bound): Change type of bound to
2032 double_int. Improve comments. Add is_exit and realistic
2034 (struct loop): Changed type of estimated_nb_iterations to double_int.
2035 Added estimate_state field.
2036 (record_estimate): Declaration removed.
2038 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2040 * params.c (set_param_value): Initialize the "set" field.
2041 * params.h (struct param_info): Add "set" field.
2042 (PARAM_SET_P): New macro.
2043 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
2044 L1_CACHE_LINE_SIZE): New macros.
2045 * toplev.c (DEFPARAM): Initialize the "set" field.
2046 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
2047 SIMULTANEOUS_PREFETCHES): Removed.
2048 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
2049 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
2050 * config/sparc/sparc.c: Include params.h.
2051 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
2052 L1_CACHE_LINE_SIZE parameters.
2053 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2055 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2057 * config/i386/i386.c: Include params.h.
2058 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
2059 (override_options): Set SIMULTANEOUS_PREFETCHES and
2060 L1_CACHE_LINE_SIZE parameters.
2061 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
2062 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
2063 L1_CACHE_LINE_SIZE parameters.
2064 * config/ia64/ia64.c (ia64_optimization_options): Set
2065 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
2066 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
2068 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
2069 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
2070 * doc/invoke.texi: Document new params.
2072 2006-11-12 Roger Sayle <roger@eyesopen.com>
2074 PR tree-optimization/13827
2075 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
2078 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2080 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
2081 update_single_exit_for_duplicated_loops): New functions.
2082 (duplicate_loop_to_header_edge): Use
2083 update_single_exit_for_duplicated_loops.
2084 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2085 functions only with ENABLE_CHECKING.
2087 2006-11-12 Andreas Schwab <schwab@suse.de>
2089 * except.c (sjlj_emit_function_enter): Remove unused variable.
2091 2006-11-11 Roger Sayle <roger@eyesopen.com>
2093 * fold-const.c (int_binop_types_match_p): New function.
2094 (size_binop): Relax constraint that both arguments must both have
2095 exactly the same sizetype type. Instead use int_binop_types_match_p.
2096 (size_diffop): Likewise.
2098 (make_range): Use build_int_cst instead of fold_convert.
2099 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2100 integer constants of the correct type.
2101 (fold_div_compare): Likewise.
2102 (fold_single_bit_test): Likewise.
2103 (fold_binary): Likewise.
2104 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2105 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2107 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2110 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2111 non null value if the struct memory access is in the 0th
2114 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2117 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2118 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2121 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2122 instead of builtin_define for bfin and BFIN.
2124 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2126 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2129 2006-11-11 Jan Hubicka <jh@suse.cz>
2131 * extend.texi (__builtin_expect): We no longer require second argument
2133 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2134 * builtins.c (expand_builtin_expect): Simplify.
2135 (expand_builtin_expect_jump): Kill.
2136 * final.c (final_scan_insn): Do not skip the removed notes.
2137 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2138 EXPECTED_VALUE): Remove.
2139 * dojump.c (do_jump): Do not care about __builtin_expect.
2140 * predict.c (expected_value_to_br_prob): Kill.
2141 * function.c (expand_function_end): Do not expand
2142 NOTE_INSN_REPEATED_LINE_NUMBER.
2143 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2144 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2145 * cfgexpand.c (add_reg_br_prob_note): Export.
2146 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2147 expected_value_to_br_prob.
2148 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2149 * rtl.h (add_reg_br_prob_note): Declare.
2151 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2153 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2155 2006-11-11 Jan Hubicka <jh@suse.cz>
2157 * predict.c (predict_loops): Kill RTL variant.
2159 2006-11-11 Jan Hubicka <jh@suse.cz>
2161 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2162 * modulo-sched.c (find_line_note): Remove.
2163 (loop_canon_p): Do not worry about line number notes.
2164 (sms_schedule): Likewise.
2165 * cse.c (cse_main): Likewise.
2166 * regmove.c (fixup_match_1): Likewise
2167 * function.c (emit_return_info_block): Likewise.
2168 (expand_function_end): Likewise.
2169 (thread_prologue_an_epilogue_insns): Likewise.
2170 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2172 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2173 emit_note_copy_after): Kill.
2174 (emit_note_copy): Do not worry about line numbers.
2175 * jump.c (purge_line_number_notes): Kill.
2176 (pass_purge_lineno_notes): Kill.
2177 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2179 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2180 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2181 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2182 * tree-pass.h (pass_purge_lineno_notes): Kill.
2183 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2184 rm_redundant_line_notes.
2185 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2186 rm_redundant_line_notes.
2187 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2188 * haifa-sched.c: Update comment about handling notes.
2189 (unlink_line_notes): Kill.
2190 (rm_line_notes): Kill.
2191 (save_line_notes): Simplify.
2192 (rm_redundant_line_notes): Kill.
2194 2006-11-11 Richard Guenther <rguenther@suse.de>
2196 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2197 Remove unused tree codes.
2198 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2199 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2200 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2201 * tree.c (stabilize_reference): Likewise.
2202 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2203 fold_unary): Likewise.
2204 * tree-gimple.c (is_gimple_cast): Likewise.
2205 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2206 * expr.c (expand_expr_real_1): Likewise.
2207 * tree-eh.c (tree_could_trap_p): Likewise.
2208 * gimplify.c (gimplify_expr): Likewise.
2209 * tree-inline.c (estimate_num_insns_1): Likewise.
2210 * tree-cfg.c (verify_expr): Likewise.
2212 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2214 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2215 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2216 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2218 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2221 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2222 constraints accept neither registers or memories.
2224 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2226 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2227 (NO_PROFILE_COUNTERS): Define as 1.
2229 2006-11-10 Roger Sayle <roger@eyesopen.com>
2231 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2232 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2234 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2236 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2238 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2240 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2241 (fold_builtin_hypot): Likewise.
2242 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2244 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2246 2006-11-10 Roger Sayle <roger@eyesopen.com>
2248 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2249 when attempting to build INTEGER_CSTs of non-integral types.
2250 * expmed.c (make_tree): Use the correct type, i.e. the inner
2251 type, when constructing the individual elements of a CONST_VECTOR.
2253 2006-11-10 Jan Hubicka <jh@suse.cz>
2255 * cse.c (cse_process_notes): Copy the propagated value.
2256 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2258 * gcse.c (try_replace_reg): Copy the replacement.
2259 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2260 (assign_386_stack_local): Always return copied memory expression
2261 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2264 2006-11-10 Jan Hubicka <jh@suse.cz>
2266 * final.c (final): Walk from first instruction.
2267 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2269 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2272 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2274 (umulv8hi3_highpart): Ditto.
2275 (vec_widen_smult_hi_v8hi): New expander.
2276 (vec_widen_smult_lo_v8hi): Ditto.
2278 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2281 * builtins.c (do_mpfr_arg3): New.
2282 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2284 2006-11-09 Eric Christopher <echristo@apple.com>
2289 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2290 * config.gcc (powerpc64-*-darwin*): New target.
2291 * config.host: Ditto.
2292 * config/rs6000/darwin64.h: New file.
2293 * config/rs6000/x-darwin64: Ditto.
2294 * config/rs6000/host-ppc64-darwin.c: Ditto.
2296 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2298 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2299 routines for integer division.
2301 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2303 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2305 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2308 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2310 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2312 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2313 simplify_subreg with BLKmode outer mode.
2315 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2317 * doc/invoke.texi: Minor formatting fixes in option lists.
2319 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2321 PR tree-optimization/29738
2322 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2323 (ccp_lattice_t): Remove UNKNOWN_VAL.
2324 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2325 Do not handle UNKNOWN_VAL.
2326 (get_default_value): Set initial value of virtual operands to
2328 (get_value): Always use get_default_value on uninitialized
2330 (set_value_varying, surely_varying_stmt_p): New functions.
2331 (set_lattice_value): Do not pass argument to get_value.
2332 Do not handle UNKNOWN_VAL.
2333 (likely_value): Follow the semantics described in the comment.
2334 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2335 phi nodes DONT_SIMULATE_AGAIN.
2336 (ccp_fold): Do not pass argument to get_value.
2337 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2340 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2342 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2343 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2345 2006-11-08 Roger Sayle <roger@eyesopen.com>
2347 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2348 test for inclusion rather than as a test for exclusion.
2349 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2350 the condition after calling fold_binary.
2351 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2352 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2353 * builtins.c (fold_builtin_isascii): Likewise.
2354 (fold_builtin_isdigit): Likewise.
2356 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2358 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2359 * configure: Regenerate.
2361 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2363 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2364 enum argument instead of bool.
2365 (vect_analyze_operations): Call vectorizable_type_promotion.
2366 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2367 stmt_vec_info_type value.
2368 (supportable_widening_operation, vectorizable_type_promotion): New
2369 function declarations.
2370 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2371 (vectorizable_type_promotion): New function.
2372 (vect_transform_stmt): Call vectorizable_type_promotion.
2373 * tree-vect-analyze.c (supportable_widening_operation): New function.
2374 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2376 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2379 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2380 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2381 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2383 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2384 * expr.c (expand_expr_real_1): Likewise.
2385 * optabs.c (optab_for_tree_code): Likewise.
2386 (init_optabs): Initialize new optabs.
2387 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2388 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2389 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2390 vec_unpacku_lo_optab): Initialize new optabs.
2391 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2392 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2393 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2395 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2396 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2397 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2398 (vec_unpacku_lo_optab): New optabs.
2399 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2400 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2401 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2402 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2403 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2404 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2406 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2407 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2408 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2409 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2410 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2411 implement the unsigned unpacking patterns.
2412 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2413 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2414 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2415 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2416 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2417 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2418 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2419 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2420 multiplication patterns.
2422 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2423 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2424 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2425 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2426 (rs6000_builtin_mul_widen_odd): New.
2427 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2428 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2429 * tree-vectorizer.h (enum vect_relevant): New enum type.
2430 (_stmt_vec_info): Field relevant chaned from bool to enum
2432 (STMT_VINFO_RELEVANT_P): Updated.
2433 (STMT_VINFO_RELEVANT): New.
2434 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2435 instead of STMT_VINFO_RELEVANT_P.
2436 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2437 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2438 and boolean variable with enum vect_relevant.
2439 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2440 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2441 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2443 2006-11-08 Richard Henderson <rth@redhat.com>
2445 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2446 vec_widen_umult_lo_v8hi): New.
2447 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2448 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2450 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2451 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2452 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2453 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2454 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2455 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2456 vec_unpacks_lo_v4si): New.
2458 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2460 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2461 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2462 (vect_analyze_operations): Call vectorizable_type_demotion.
2463 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2464 stmt_vec_info_type value.
2465 (vectorizable_type_demotion): New function declaration.
2466 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2469 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2470 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2472 * tree-iniline.c (estimate_num_insns_1): Likewise.
2473 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2474 * optabs.c (optab_for_tree_code): Likewise.
2476 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2477 compared against the predicate of the result is not 'mode' (the input
2478 to the function) but a mode with half the size of 'mode'.
2479 (init_optab): Initialize new optabs.
2480 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2482 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2484 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2485 (vec_pack_usat_optab): Initialize new optabs.
2486 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2487 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2489 2006-11-08 Richard Henderson <rth@redehat.com>
2491 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2492 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2493 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2494 (vec_interleave_highv4si, vec_interleave_lowv4si):
2495 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2497 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2499 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2501 (vect_transform_stmt): Removed redundant code.
2503 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2505 * tree-vect-transform.c (vectorizable_operation): Support multiple
2508 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2510 * tree-vect-transform.c (vect_align_data_ref): Removed.
2511 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2512 Updated function documentation. Return the increment stmt in ptr_incr.
2513 (bump_vector_ptr): New function.
2514 (vect_get_vec_def_for_stmt_copy): New function.
2515 (vect_finish_stmt_generation): Create a stmt_info to newly created
2517 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2519 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2520 VF is greater than the number of elements that can fit in one vector
2522 (vectorizable_operation, vectorizable_condition): Likewise.
2523 (vectorizable_store, vectorizable_load): Support the case that the VF
2524 is greater than the number of elements that can fit in one vector word.
2525 (vect_transform_loop): Don't fail in case of multiple data-types.
2526 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2527 in case of multiple data-types; the smallest type determines the VF.
2528 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2529 if they are of different sizes.
2530 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2531 number of elements rather than number of bytes.
2532 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2533 (vect_can_advance_ivs_p): Fix a dump printout
2535 2006-11-07 Eric Christopher <echristo@apple.com>
2537 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2538 (__bswapsi2): Ditto.
2539 * libgcc2.h: Remove transformation of bswap routines.
2540 * config/i386/i386.md (bswapsi2): New.
2543 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2545 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2546 (handle_gnu_inline_attribute): New function.
2547 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2548 (merge_decls, start_decl, start_function): Likewise.
2549 * doc/extend.texi: Document gnu_inline attribute.
2551 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2554 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2555 _fixunstfdi, and _floatditf
2557 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2559 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2561 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2562 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2563 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2564 which start in an odd register.
2566 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2568 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2570 2006-11-07 Josh Conner <jconner@apple.com>
2572 * doc/invoke.texi (fstrict-aliasing): Move implementation
2574 * doc/tree-ssa.texi (Alias analysis): ...here.
2576 2006-11-07 Richard Guenther <rguenther@suse.de>
2578 PR tree-optimization/29610
2579 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2580 of tree_purge_dead_eh_edges as it may free dominators.
2582 * g++.dg/other/pr29610.C: New testcase.
2584 2006-11-07 David Ung <davidu@mips.com>
2586 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2587 costs when optimizing for size.
2588 (override_options): Use mips_rtx_cost_optimize_size table for cost
2591 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2593 * gcc.c (process_command): Treat -b as normal switch if its argument
2596 2006-11-07 David Ung <davidu@mips.com>
2598 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2601 2006-11-06 Eric Christopher <echristo@apple.com>
2603 * config.gcc: Add x86_64-darwin host support.
2604 * config.host: Ditto.
2605 * config/i386/darwin64.h: New file.
2606 * config/i386/t-darwin64: Ditto.
2608 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2610 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2611 and output-exists-not.
2613 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2616 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2617 checking for overflow.
2619 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2621 * configure.ac: Fixed typo in case statement: :: changed to ;;
2623 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2625 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2626 count_leading_zeros, and count_trailing_zeros.
2627 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2628 (TARGET_FOLD_BUILTIN): Define.
2629 (TARGET_EXPAND_BUILTIN): Define.
2630 (xtensa_init_builtins): New.
2631 (xtensa_fold_builtin): New.
2632 (xtensa_expand_builtin): New.
2633 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2634 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2635 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2636 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2637 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2638 (any_extend): New code macro.
2639 (u, su): New code attributes.
2640 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2641 (nsau): Remove; replaced by clzsi2.
2642 (ffssi2): Use clzsi2.
2643 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2644 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2645 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2646 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2647 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2649 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2651 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2653 * config/arm/t-strongarm-elf: Likewise.
2654 * config/arm/t-pe: Likewise.
2655 * config/arm/t-arm-elf: Likewise.
2656 * config/arm/t-xscale-elf: Likewise.
2657 * config/arm/t-arm-coff: Likewise.
2658 * config/arm/t-xscale-coff: Likewise.
2659 * config/arm/t-wince-pe: Likewise.
2661 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2663 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2666 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2669 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2672 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2675 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2676 as a valid 80387 constant.
2677 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2678 * config/i386/i386.md (unnamed splitter): Split the load of
2679 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2682 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2684 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2685 from the soft-frame, argument and virtual registers.
2687 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2689 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2690 patterns for standard 80387 constants.
2692 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2693 Steven Bosscher <steven@gcc.gnu.org>
2695 * fwprop.c: New file.
2696 * Makefile.in: Add fwprop.o.
2697 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2698 * passes.c (init_optimization_passes): Schedule forward propagation.
2699 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2701 * timevar.def (TV_FWPROP): New.
2702 * common.opt (-fforward-propagate): New.
2703 * opts.c (decode_options): Enable forward propagation at -O2.
2704 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2705 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2706 canon_for_address, table_size): Remove.
2707 (new_basic_block, insert, remove_from_table): Remove references to
2709 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2710 simplification loop more straightforward by not calling fold_rtx
2712 (equiv_constant): Move here a small part of fold_rtx_subreg,
2713 do not call fold_rtx. Call avoid_constant_pool_reference
2715 * recog.h (canonicalize_change_group): New.
2717 * doc/invoke.texi (Optimization Options): Document fwprop.
2718 * doc/passes.texi (RTL passes): Document fwprop.
2720 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2722 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2723 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2724 (grokdeclarator): Likewise.
2726 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2728 * tree-dump.c (dump_enable_all): Rename local variable
2729 ir_type to avoid name conflicts.
2730 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2731 instead of using ir_type().
2732 * profile.c (tree_register_profile_hooks): Likewise.
2733 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2734 * basic-block.h (struct edge_def): Likewise.
2735 * config/arm/arm.c (legitimize_pic_address): Likewise.
2736 * coretypes.h (ir_type): New enum of all intermediate languages
2738 * cfghooks.c (ir_type): Rename to...
2739 (current_ir_type): ...this. Distinguish between cfgrtl and
2740 cfglayout mode when the current IR is RTL. Return enum ir_type.
2741 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2743 2006-11-03 Paul Brook <paul@codesourcery.com>
2745 * config/arm/arm.c (arm_file_start): New function.
2746 (TARGET_ASM_FILE_START): Define.
2747 (arm_default_cpu): New variable.
2748 (arm_override_options): Set arm_default_cpu.
2750 2006-11-03 David Ung <davidu@mips.com>
2752 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2753 PROCESSOR_24KC and PROCESSOR_24KF.
2754 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2755 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2756 (mips_rtx_cost_data): Add costs for the 24kc.
2757 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2758 * config/mips/24k.md: Remove references to 24k and replace with
2759 uses of 24kc/24kf in the appropriate reservations.
2760 * doc/invoke.texi (MIPS Options): Updated.
2762 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2764 * config/sh/crt1.asm: Fix #ifdef indent.
2766 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2767 Merged from STMicroelectronics sources:
2768 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2769 * config/sh/crt1.asm (vbr_600): Add missing #if.
2770 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2771 * sh.opt (mfused-madd): New option.
2772 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2773 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2774 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2775 Remove pointless handler at VBR+0.
2776 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2777 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2778 fr7. Make sure the timer handler is called with the correct FPU
2779 precision setting, according to the ABI.
2780 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2781 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2782 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2783 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2784 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2785 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2786 zero as second operand.
2787 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2788 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2789 Fixed some bugs related to negative values, in particular -0
2790 and overflow at -0x80000000.
2791 * config/sh/divcost-analysis: Added sh4-300 figures.
2792 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2793 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2794 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2795 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2796 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2797 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2799 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2801 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2802 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2803 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2804 mac_mem, mem_mac, dfp_mul, fp_cmp.
2805 (insn_class, dfp_comp, any_fp_comp): Update.
2806 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2807 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2808 (muldf3_i): Likewise.
2809 (movsi_i): Split rI08 alternative into two separate alternatives.
2811 (movsi_ie, movsi_i_lowpart): Likewise.
2812 (movqi_i): Split ri alternative into two separate alternatives.
2814 * sh1.md (sh1_load_store, sh1_fp): Update.
2815 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2816 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2817 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2818 (sh4a_fp_double_arith): Likewise.
2819 * sh4-300.md: New file.
2820 * sh.c (sh_handle_option): Handle m4-300* options.
2821 (sh_adjust_cost): Fix latency of auto-increments.
2822 Handle SH4-300 differently than other SH4s. Check for new insn types.
2823 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2824 been set by an option.
2825 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2826 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2827 (mbranch-cost=): Likewise.
2828 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2830 * sh.md (mulsf3): Remove special expansion code.
2831 (mulsf3_ie): Now a define_insn_and_split.
2832 (macsf3): Allow for TARGET_SH4.
2834 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2835 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2836 (expand_cbranchdi4): Likewise.
2837 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2838 CONST_DOUBLE if the outer code is COMPARE.
2839 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2840 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2841 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2842 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2843 Remove redundant fp_{zero,one}_operand checks.
2844 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2845 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2846 (expand_cbranchdi4): Likewise.
2847 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2848 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2850 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2852 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2855 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2857 * doc/invoke.texi: Fix mfp-trap-mode typo.
2859 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2861 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2862 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2863 file_end_indicate_exec_stack.
2864 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2866 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2867 for a non-executable stack.
2868 * crti.asm: Likewise.
2869 * crtn.asm: Likewise.
2870 * libunwind.S: Likewise.
2872 2006-11-02 Ben Elliston <bje@au.ibm.com>
2874 * tree-ssa.c (warn_uninit): Use expand_location variables for
2875 locus and declaration locus.
2877 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2880 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2881 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2882 cmp{eq,gt,gtu}{si,di}_media.
2883 (*cmpne0si_media): Remove.
2884 (*movsicc_umin): Adjust gen_cmp*_media call.
2885 (unordered): Change the mode of unordered and operands[1] to
2887 (seq): Adjust gen_cmp*_media calls. Make the mode of
2888 a temporary result of compare SImode if needed. If the mode
2889 of operands[0] is DImode, extend the temporary result to DImode.
2890 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2891 (sunorderd): Change the mode of match_operand and unorderd to
2893 (cmpeq{sf,df}_media): Remove.
2894 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2895 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2896 and compare operation to SImode.
2898 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2900 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2902 (sparc64-sun-solaris2*): Likewise.
2904 2006-11-02 Paul Brook <paul@codesourcery.com>
2906 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2907 from priority argument. Use different section for non-default
2909 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2911 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2914 * except.c (switch_to_exception_section): Do not cache the section
2915 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2916 and flag_function_sections is set.
2918 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2921 * builtins.c (do_mpfr_sincos): New.
2922 (fold_builtin_1): Use it to fold builtin sincos.
2924 2006-11-01 Roger Sayle <roger@eyesopen.com>
2926 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2927 it into -D_REENTRANT.
2929 2006-11-01 Roger Sayle <roger@eyesopen.com>
2931 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2932 whether the assembler supports taking the difference of symbols in
2933 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2934 * configure: Regenerate.
2935 * config.in: Regenerate.
2936 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2937 the assembler doesn't support taking the difference of symbols in
2938 different sections, i.e. we're using the native solaris assembler.
2940 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2941 Peter Bergner <bergner@vnet.ibm.com>
2943 * doc/invoke.texi: Add cpu_type power6x
2944 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2945 * config.gcc: Add cpu_type power6x.
2946 * configure.ac: Add test for mf{t,f}gpr instructions.
2947 (HAVE_AS_MFPGPR): New.
2948 * config.in: Regenerate.
2949 * configure: Regenerate.
2950 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2951 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2952 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2953 and mftgpr attributes.
2954 (define_attr "cpu"): Add power6.
2955 Change instruction sequences to use new attributes.
2956 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2957 (fix_truncdfsi2_mfpgpr): New.
2958 (floatsidf_ppc64_mfpgpr): New.
2959 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2960 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2961 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2962 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2963 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2964 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2965 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2966 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2967 cntlz,exts and var_delayed_compare.
2968 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2969 _ARCH_PWR6X, if features enabled.
2970 * config/rs6000/rs6000.opt (mmfpgpr): New.
2971 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2972 (cached_can_issue_more): New variable.
2973 (processor_costs): Add power6_cost.
2974 (rs6000_sched_init): New function.
2975 (is_dispatch_slot_restricted): Deleted.
2976 (set_to_load_agen): New function.
2977 (is_load_insn,is_store_insn): New functions.
2978 (adjacent_mem_locations): New function.
2979 (insn_must_be_first_in_group): New function.
2980 (insn_must_be_last_in_group): New function.
2981 (rs6000_sched_reorder): New function.
2982 (rs6000_sched_reorder2): New function.
2983 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2984 TARGET_SCHED_REORDER2): Define.
2985 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2986 Add power6x. Add MASK_MFPGPR for power6x.
2987 (POWERPC_MASKS): Add MASK_MFPGPR.
2988 (rs6000_override_options): Set rs6000_always_hint to false
2989 for power6. Set rs6000_align_branch_targets. Replace
2990 rs6000_sched_groups check with rs6000_align_branch_targets.
2991 Use PROCESSOR_POWER6.
2992 (last_scheduled_insn): New variable.
2993 (load_store_pendulum): New variable.
2994 (rs6000_variable_issue): Set last_scheduled_insn and
2995 cached_can_issue_more.
2996 (rs6000_adjust_cost): Add power6 cost adjustments.
2997 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2998 with insn_must_be_first_in_group. Add power6 priority adjustments.
2999 (rs6000_issue_rate): Add CPU_POWER6.
3000 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
3001 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
3002 (TARGET_MFPGPR): New.
3003 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
3004 (ASM_CPU_SPEC): Add power6x.
3005 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
3007 * config/rs6000/power6.md: New file.
3009 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
3011 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3012 HOST_WIDE_INT_PRINT to print high and low parts. Use
3013 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
3014 printing a hexadecimal number prefix it with 0x.
3016 2006-11-01 Chris Johns <chris@contemporary.net.au>
3019 * Makefile.in (install-driver): Use exeext when installing
3020 $target-gcc-$version.
3022 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
3024 * c-common.c (flag_cpp0x): New.
3025 * c-common.h (flag_cpp0x): New.
3026 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
3027 supported, define __GXX_EXPERIMENTAL_CPP0X__.
3028 * c-opts.c (set_std_cxx0x): New.
3029 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
3030 * c.opt (std=c++0x): Document.
3031 (std=gnu++0x): Ditto.
3032 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
3033 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
3035 2006-11-01 Richard Guenther <rguenther@suse.de>
3037 * config/i386/i386.c (ix86_expand_rint): Fix issues with
3039 (ix86_expand_floorceildf_32): Likewise.
3040 (ix86_expand_floorceil): Likewise.
3041 (ix86_expand_trunc): Likewise.
3043 2006-10-31 Andrew Pinski <pinskia@gmail.com>
3045 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
3048 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
3050 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
3052 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
3054 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
3056 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
3057 * configure.ac (use_cxa_atexit): As a special case, don't test
3058 for libc definition of __cxa_atexit on mingw32
3059 * configure: Regenerate.
3060 * config.gcc (i[34567]86-pc-mingw32): Default to
3061 enable__cxa_atexit=yes.
3063 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3065 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
3067 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3070 * c-decl.c (start_struct): Don't create self-containing
3072 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3074 * config/rs6000/rs6000-protos.h
3075 (darwin_rs6000_special_round_type_align): New.
3076 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
3077 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
3079 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3081 * toplev.c (compile_file): Call final_write_globals
3082 even if there have been errors.
3084 2006-10-31 Eric Christopher <echristo@apple.com>
3085 Falk Hueffner <falk@debian.org>
3087 * doc/extend.texi (__builtin_bswap32): Document.
3088 (__builtin_bswap64): Ditto.
3089 * doc/libgcc.texi (bswapsi2): Document.
3091 * doc/rtl.texi (bswap): Document.
3092 * optabs.c (expand_unop): Don't widen a bswap.
3093 (init_optabs): Init bswap. Set libfuncs explicitly
3094 for bswapsi2 and bswapdi2.
3095 * optabs.h (OTI_bswap): New.
3096 (bswap_optab): Ditto.
3097 * genopinit.c (optabs): Handle bswap_optab.
3098 * tree.h (tree_index): Add TI_UINT32_TYPE and
3100 (uint32_type_node): New.
3101 (uint64_type_node): Ditto.
3102 * tree.c (build_common_tree_nodes_2): Initialize
3103 uint32_type_node and uint64_type_node.
3104 * builtins.c (expand_builtin_bswap): New.
3105 (expand_builtin): Call.
3106 (fold_builtin_bswap): New.
3107 (fold_builtin_1): Call.
3108 * fold-const.c (tree_expr_nonnegative_p): Return true
3110 * builtin-types.def (BT_UINT32): New.
3112 (BT_FN_UINT32_UINT32): Ditto.
3113 (BT_FN_UINT64_UINT64): Ditto.
3114 * builtins.def (BUILT_IN_BSWAP32): New.
3115 (BUILT_IN_BSWAP64): Ditto.
3116 * rtl.def (BSWAP): New.
3117 * genattrtab.c (check_attr_value): New.
3118 * libgcc2.c (__bswapSI2): New.
3119 (__bswapDI2): Ditto.
3120 * libgcc2.h (__bswapSI2): Declare.
3121 (__bswapDI2): Ditto.
3122 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3123 * simplify-rtx.c (simplify_const_unary_operation): Return
3125 * libgcc-std.ver (__bwapsi2): Add.
3126 (__bswapdi2): Ditto.
3127 * reload1.c (eliminate_regs_1): Add bswap.
3128 (elimination_effects): Ditto.
3129 * config/i386/i386.h (x86_bswap): New.
3130 (TARGET_BSWAP): Use.
3131 * config/i386/i386.c (x86_bswap): Set.
3133 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3135 * coverage.c (coverage_checksum_string): Update comment.
3136 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3137 of get_file_function_name.
3138 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3139 of get_file_function_name_long.
3140 * tree.c (get_file_function_name): Rename from
3141 get_file_function_name_long; improve comment; handle 'I' and 'D'
3142 specially when the target has ctor/dtor support; remove special
3144 (get_file_function_name): Remove.
3145 * tree.h (get_file_function_name): Rename from
3146 get_file_function_name_long.
3147 (get_file_function_name): Remove prototype.
3149 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3151 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3152 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3154 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3155 Call dsymutil when compiling and linking one or more source files
3158 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3161 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3163 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3165 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3166 inline static functions in c99 mode.
3169 * doc/extend.texi (Inline): Update.
3170 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3171 * c-decl.c (current_extern_inline): Delete.
3172 (pop_scope): Adjust test for an undefined nested function.
3173 Add warning about undeclared inline function.
3174 (diagnose_mismatched_decls): Update comments. Disallow overriding
3175 of inline functions in a translation unit in C99. Allow inline
3176 declarations in C99 at any time.
3177 (merge_decls): Boolize variables. Handle C99 'extern inline'
3179 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3180 C99 inline semantics.
3181 (start_function): Don't clear current_extern_inline. Don't set
3183 (c_push_function_context): Don't push current_extern_inline.
3184 (c_pop_function_context): Don't restore current_extern_inline.
3187 * c-typeck.c (build_external_ref): Warn about static variables
3188 used in extern inline functions.
3189 * c-decl.c (start_decl): Warn about static variables declared
3190 in extern inline functions.
3192 2006-10-31 Roger Sayle <roger@eyesopen.com>
3195 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3196 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3197 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3198 or y is an even integer.
3200 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3203 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3204 * gthr-posix95.h (__gthread_active_p): Likewise.
3206 2006-10-31 Richard Guenther <rguenther@suse.de>
3208 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3209 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3210 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3211 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3212 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3213 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3214 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3215 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3218 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3220 * opts.c (decode_options): Disable CSE skip blocks.
3222 2006-10-30 Dirk Mueller <dmueller@suse.de>
3224 * c-common.h (strict_aliasing_warning): Fix whitespace.
3225 * c-decl (start_function): Move code for main decl warning ..
3226 * c-common.c (check_main_parameter_types): .. here.
3227 * c-common.h (check_main_parameter_types): Declare.
3229 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3232 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3234 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3236 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3237 be a PARALLEL containing sets. Return false when out_pat is not
3240 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3242 * config/mips/mips.md (mul<mode>3): Split into...
3243 (mulsi3, muldi3): ...these separate patterns.
3245 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3247 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3248 but with each set of options separated by spaces.
3250 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3252 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3253 dwarf_reg_size_table has been initialized.
3255 2006-10-30 Roger Sayle <roger@eyesopen.com>
3257 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3258 * ddg.c (print_ddg_edge): Likewise.
3259 * dwarf2out.c (prune_unused_types_walk): Likewise.
3260 * ifcvt.c (noce_try_cmove_arith): Likewise.
3261 * langhooks.c (add_builtin_function): Likewise.
3262 * reg-stack.c (subst_stack_regs_pat): Likewise.
3263 * tree.c (expanded_location): Likewise.
3264 * tree-dump.c (dequeue_and_dump): Likewise.
3266 2006-10-30 David Daney <ddaney@avtrex.com>
3268 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3270 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3272 PR tree-optimization/29637
3273 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3274 of the innertype is the innertype itself.
3276 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3278 * dwarf2out.c (file_name_acquire): Correct typo.
3280 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3282 * tree.h (tree_value_handle): Remove struct value_set declaration.
3283 Change value_set to bitmap_set.
3284 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3285 * tree-vn.c (get_value_handle): Made inline and moved to
3287 * tree-flow-inline.h: (has_stmt_ann): New function.
3288 * tree-ssa-pre.c (expressions): New variable.
3289 (next_expression_id): Ditto.
3290 (alloc_expression_id): New function.
3291 (struct value_set): Remove.
3292 (get_expression_id): New function.
3293 (get_or_alloc_expression_id): Ditto.
3294 (expression_for_id): Ditto.
3295 (clear_expression_ids): Ditto.
3296 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3297 (bb_value_sets): Renamed to bb_bitmap_sets.
3298 All value sets replaced with bitmap_sets.
3300 (BB_VISITED): New macro.
3301 (postorder): New variable.
3302 (add_to_value): Removed.
3303 (value_exists_in_set_bitmap): Ditto.
3304 (value_insert_into_set_bitmap): Ditto.
3307 (set_remove): Ditto.
3308 (set_contains_value): Ditto.
3309 (insert_into_set): Ditto.
3311 (find_leader): Ditto.
3312 (bitmap_set_subtract_from_value_set): Ditto.
3313 (value_insert_into_set): Ditto.
3314 (print_value_set): Ditto.
3315 (debug_value_set): Ditto.
3316 (constant_expr_p): New function.
3317 (bitmap_remove_from_set): Ditto.
3318 (bitmap_insert_into_set): Ditto.
3319 (bitmap_set_free): Ditto.
3320 (vh_compare): Ditto.
3321 (sorted_array_from_bitmap_set): Ditto.
3322 (bitmap_set_subtract): Ditto.
3323 (bitmap_set_equal): Ditto.
3324 (debug_bitmap_set): Ditto.
3325 (find_leader_in_sets): Ditto.
3326 (bitmap_set_replace_value): Modify for bitmapped sets.
3327 (phi_translate): Ditto.
3328 (phi_translate_set): Ditto.
3329 (bitmap_find_leader): Ditto.
3330 (valid_in_sets): Ditto.
3331 (union_contains_value): Ditto.
3333 (compute_antic_aux): Ditto. Mark changed blocks.
3334 (compute_antic): Ditto. Iterate in postorder and only over
3336 (compute_rvuse_and_antic_safe): Reuse postorder.
3337 (create_component_ref_by_pieces): Modify for bitmapped sets.
3338 (find_or_generate_expression): Ditto.
3339 (create_expression_by_pieces): Ditto.
3340 (insert_into_preds_of_block): Ditto.
3341 (changed_blocks): New variable.
3342 (do_regular_insertion): Broken out from insert_aux.
3343 (insert_aux): Modified for bitmapped sets.
3344 (find_existing_value_expr): New function.
3345 (create_value_expr_from): Use it.
3346 (insert_extra_phis): Removed.
3347 (print_bitmap_set): Renamed from bitmap_print_value_set.
3348 (compute_avail): Handle RETURN_EXPR.
3349 (init_pre): Modify for bitmapped sets.
3350 * tree-flow.h (has_stmt_ann): New function.
3352 2006-10-29 Roger Sayle <roger@eyesopen.com>
3354 * builtins.c (fold_builtin_floor): Check for the availability of
3355 the C99 trunc function before transforming floor into trunc.
3357 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3359 * builtins.c (fold_builtin_hypot): Rearrange recursive
3360 transformation before others, and also do ABS_EXPR. When
3361 necessary, check flag_unsafe_math_optimizations. When necessary,
3364 2006-10-29 Roger Sayle <roger@eyesopen.com>
3366 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3367 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3368 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3369 Fold -X eq/ne -Y as X eq/ne Y.
3371 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3373 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3374 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3375 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3376 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3377 Use an inclusive test for "mult" rather than "mul".
3378 (rotr<mode>3): Depend on ISA_HAS_ROR.
3379 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3381 (GENERATE_MULT3_DI): Delete.
3382 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3383 (ISA_HAS_MUL3): New macro.
3384 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3385 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3386 (ISA_HAS_CLZ_CLO): Likewise.
3387 (ISA_HAS_DCLZ_DCLO): Delete.
3388 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3389 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3390 the VR4120 and VR4130.
3391 (ISA_HAS_MACCHI): Use consistent formatting.
3392 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3393 (ISA_HAS_ROR): ...this new macro.
3394 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3395 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3396 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3398 2006-10-29 Roger Sayle <roger@eyesopen.com>
3400 PR tree-optimization/15458
3401 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3404 2006-10-29 Richard Guenther <rguenther@suse.de>
3406 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3407 (ix86_expand_truncdf_32): Likewise.
3408 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3409 trunc inline for SSE math and -fno-trapping-math and if not
3410 optimizing for size.
3411 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3412 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3413 for expanding btrunc inline for SSE math.
3415 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3417 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3418 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3419 i[34567]86-*-solaris2.1[0-9]*.
3420 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3421 Define conditionally depending on TARGET_64BIT_DEFAULT.
3422 (SPEC_32, SPEC_64): Define.
3423 (LINK_SPEC): Use them.
3424 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3426 2006-10-29 Richard Guenther <rguenther@suse.de>
3428 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3429 (ix86_expand_rounddf_32): Likewise.
3430 * config/i386/i386.c (ix86_expand_round): New function expanding
3431 round inline for SSE math and -fno-trapping-math and if not
3432 optimizing for size.
3433 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3434 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3435 round via ix86_expand_round.
3437 2006-10-29 Richard Guenther <rguenther@suse.de>
3439 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3440 (ix86_expand_floorceildf_32): Likewise.
3441 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3442 static helper function.
3443 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3445 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3446 * config/i386/i386.md (floordf2): Adjust to enable floor
3447 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3448 -fno-trapping-math is enabled and if not optimizing for size.
3449 (floorsf2, ceildf2, ceilsf2): Likewise.
3450 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3451 (sse2_maskcmpdf3): Likewise.
3453 2006-10-29 Richard Guenther <rguenther@suse.de>
3455 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3456 rint in case -fno-trapping-math is enabled.
3457 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3458 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3459 (ix86_expand_sse_fabs): Likewise.
3460 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3461 * config/i386/i386.md (rintdf2): Enable for SSE math if
3462 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3463 (rintsf2): Likewise.
3465 2006-10-29 Richard Guenther <rguenther@suse.de>
3467 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3468 to conversion optabs.
3469 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3470 as conversion optab.
3471 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3472 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3473 (lfloor_optab, lceil_optab): Adjust defines.
3474 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3475 lfloor and lceil optabs now being conversion optabs.
3476 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3477 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3478 New static helper function.
3479 (ix86_expand_lfloorceil): New function to expand lfloor and
3481 * config/i386/i386.md (lfloor<mode>2): Split into ...
3482 (lfloorxf<mode>2): ... x87 variant
3483 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3484 using ix86_expand_lfloorceil.
3485 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3487 * doc/md.texi (lfloorMN, lceilMN): Document.
3489 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3491 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3492 -mno-shared assembler option on mips targets.
3493 * configure, config.in: Regenerate.
3494 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3495 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3496 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3498 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3500 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3501 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3503 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3505 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3506 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3509 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3512 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3513 (fold_builtin_pow): Evaluate constant arguments at compile-time
3515 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3516 (do_mpfr_ckconv): New helper function.
3517 (do_mpfr_arg1): Use do_mpfr_ckconv.
3518 (do_mpfr_arg2): New.
3520 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3523 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3524 (-fdump-rtl-sched): Rename to ..
3525 (-fdump-rtl-sched1): here. Also fix file extension number.
3527 2006-10-28 Richard Guenther <rguenther@suse.de>
3529 * fold-const.c (maybe_canonicalize_comparison): Fix code
3532 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3534 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3535 (NON_QI_REG_P): Use IN_RANGE.
3536 (REX_INT_REGNO_P): Use IN_RANGE.
3537 (FP_REGNO_P): Use IN_RANGE.
3538 (SSE_REGNO_P): Use IN_RANGE.
3539 (REX_SSE_REGNO_P): Use IN_RANGE.
3540 (MMX_REGNO_P): Use IN_RANGE.
3541 (STACK_REGNO_P): New macro.
3542 (STACK_REG_P): Use STACK_REGNO_P.
3543 (NON_STACK_REG_P): Use STACK_REGNO_P.
3544 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3545 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3546 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3547 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3548 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3550 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3552 * except.h (output_function_exception_table): Add 'const char*' param.
3553 * except.c (switch_to_exception_section): Add 'const char*' param.
3554 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3555 and flag_function_sections is set, use a function-specific section.
3556 (output_function_exception_table): Add 'const char*' param.
3557 Adjust call to switch_to_exception_section.
3558 * final.c (rest_of_handle_final): Adjust calls to
3559 output_function_exception_table.
3560 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3561 * config.in: Regenerate.
3562 * configure: Likewise.
3564 2006-10-28 Richard Guenther <rguenther@suse.de>
3567 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3568 for maybe_canonicalize_comparison.
3569 (maybe_canonicalize_comparison): New function for canonicalizing
3571 (fold_comparison): Call it to canonicalize comparisons with
3574 2006-10-28 Richard Guenther <rguenther@suse.de>
3577 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3578 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3579 (expand_builtin): Adjust likewise.
3580 * genopinit.c (optabs[]): Add lround optab.
3581 * optabs.c (init_optabs): Initialize lround_optab.
3582 * optabs.h (enum convert_optab_index): Add COI_lround.
3583 (lround_optab): Define.
3584 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3585 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3587 (ix86_expand_lround): New function.
3588 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3590 * doc/md.texi (lroundMN2): Document.
3592 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3595 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3596 argument to HOST_WIDE_INT. Update function prototype.
3597 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3598 "size" argument to HOST_WIDE_INT. Update function prototype.
3600 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3602 * config/i386/i386.c (output_387_ffreep): Create output from a
3603 template string for !HAVE_AS_IX86_FFREEP.
3605 2006-10-27 Eric Christopher <echristo@apple.com>
3607 * config/darwin.c: Fix formatting and grammar.
3609 2006-10-27 Jan Hubicka <jh@suse.cz>
3611 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3612 to be thrown away soon when IGNORE is set.
3613 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3614 indicating when return value shall not be computed.
3615 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3617 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3619 * config/i386/i386.h (TARGET_GEODE):
3620 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3621 (TARGET_CPU_DEFAULT_geode): New macro.
3622 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3623 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3624 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3625 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3626 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3628 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3629 (processor_type): Add PROCESSOR_GEODE.
3631 * config/i386/i386.md: Include geode.md.
3634 * config/i386/i386.c (geode_cost): New initialized global
3636 (m_GEODE, m_K6_GEODE): New macros.
3637 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3638 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3639 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3640 x86_schedule): Use m_K6_GEODE instead of m_K6.
3641 (x86_movx, x86_cmove): Set up m_GEODE.
3642 (x86_integer_DFmode_moves): Clear m_GEODE.
3643 (processor_target_table): Add entry for geode.
3644 (processor_alias_table): Ditto.
3646 * config/i386/geode.md: New file.
3648 * doc/invoke.texi: Add entry about geode processor.
3650 2006-10-27 Mike Stump <mrs@apple.com>
3652 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3653 __DYNAMIC__ from here back to ...
3654 * config/darwin.h (CPP_SPEC): ... here.
3656 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3657 Nathan Sidwell <nathan@codesourcery.com>
3659 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3660 when choosing the minimum heapsize.
3662 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3664 * gcc/unwind-dw2.h: Move cfa-related variables into
3665 struct frame_state_reg_info to ensure that the CFA is properly
3666 handled when executing DW_CFA_{remember,restore}_state.
3667 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3668 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3669 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3670 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3671 gcc/config/rs6000/linux-unwind.h,
3672 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3673 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3674 Modify to use new cfa_* fields.
3676 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3678 * config/s390/s390.c (s390_init_frame_layout): Check positive
3681 2006-10-26 Ben Elliston <bje@au.ibm.com>
3683 * gimplify.c (get_name): Remove extraneous break.
3684 (gimplify_omp_for): Initialise ret with GS_OK.
3686 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3688 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3689 Add unix98.o to link line.
3691 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3694 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3695 Calculate compile-time constants using MPFR.
3696 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3697 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3699 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3701 * config/xtensa/lib2funcs.S: Use C-style comments.
3703 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3705 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3706 (file_table_relative_p): Likewise.
3707 (dwarf2out_finish): Likewise.
3708 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3710 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3712 * tree-ssa-structalias.c (intra_create_variable_infos):
3713 Don't recreate nonlocal_all if it already exists.
3715 2006-10-25 Richard Guenther <rguenther@suse.de>
3718 * optabs.h (enum optab_index): Remove OTI_lrint.
3719 (enum convert_optab_index): Add COI_lrint.
3720 (lrint_optab): Adjust.
3721 (expand_sfix_optab): Declare.
3722 * optabs.c (expand_sfix_optab): New function.
3723 (init_optabs): Init lrint_optab as conversion optab.
3724 * genopinit.c (lrint_optab): Change to a conversion optab.
3725 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3726 expansion via conversion optab.
3727 * config/i386/i386.md (*fistdi2_1): Remove
3728 flag_unsafe_math_optimizations guard.
3729 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3730 fist<mode>2_with_temp): Likewise.
3731 (lrint<mode>2): Split into...
3732 (lrintxf<mode>2): ... x87 part
3733 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3734 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3735 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3736 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3737 * doc/md.texi (lrintMN2): Document.
3739 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3742 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3743 Use inc and dec instructions for TARGET_USE_INCDEC.
3744 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3745 ("sync_double_compare_and_swap<mode>"): Likewise.
3746 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3747 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3748 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3749 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3750 ("sync_old_add<mode>"): Likewise.
3751 ("sync_lock_test_and_set<mode>"): Likewise.
3752 ("sync_lock_test_and_set<mode>"): Likewise.
3753 ("sync_add<mode>"): Likewise.
3754 ("sync_sub<mode>"): Likewise.
3755 ("sync_ior<mode>"): Likewise.
3756 ("sync_and<mode>"): Likewise.
3757 ("sync_xor<mode>"): Likewise.
3759 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3761 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3762 (remainder_optab): Define corresponding macro.
3763 (drem_optab): Remove.
3764 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3765 drem_optab initialization.
3766 * genopinit.c (optabs): Implement remainder_optab using
3767 remainder?f3 patterns. Remove drem_optab.
3768 * builtins.c (expand_builtin_mathfn_2): Handle
3769 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3770 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3771 expand_builtin_mathfn_2.
3773 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3774 depend on flag_unsafe_math_optimizations.
3776 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3777 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3778 Do not depend on flag_unsafe_math_optimizations. Use
3779 truncxf?f expander instead of truncxf?f_i387_noop.
3781 ("fpremxf4", "fprem1xf4"): Do not depend on
3782 flag_unsafe_math_optimizations.
3783 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3784 flag_unsafe_math_optimizations. Use truncxf?f expander
3785 instead of truncxf?f_i387_noop.
3787 * doc/md.texi (fmod, remainder): Document standard named pattern.
3789 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3790 David Daney <ddaney@avtrex.com>
3793 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3795 2006-10-25 Ben Elliston <bje@au.ibm.com>
3797 * doc/extend.texi (Variable Attributes): Typo fix.
3799 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3801 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3802 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3803 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3804 (FRAME_POINTER_REGNUM): Update register number to 21.
3805 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3806 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3808 * config/i386/i386.c (regclass_map): Add fpcr entry.
3809 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3811 (print_reg): Assert REGNO (x) != FPCR_REG.
3813 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3814 (DIRFLAG_REG): Renumber.
3815 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3816 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3817 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3818 hardcoded SSE register numbers.
3820 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3821 hardcoded MMX register numbers.
3823 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3826 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3827 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3829 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3830 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3831 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3832 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3834 2006-10-24 Richard Guenther <rguenther@suse.de>
3837 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3838 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3839 for deciding optimizations in consistency with fold-const.c
3840 (fold_builtin_unordered_cmp): Likewise.
3842 2006-10-24 Richard Guenther <rguenther@suse.de>
3844 * builtins.c (fold_builtin_floor): Fold floor (x) where
3845 x is nonnegative to trunc (x).
3846 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3847 nonnegative to FIX_TRUNC_EXPR.
3849 2006-10-24 Richard Guenther <rguenther@suse.de>
3851 PR tree-optimization/29567
3852 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3853 for TRUTH_NOT_EXPR. Clarify comments.
3855 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3858 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3859 at compile-time using MPFR. Change parameter VALUE to FUNC,
3861 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3862 for overflow and underflow at all times and avoid folding in
3865 2006-10-24 Ben Elliston <bje@au.ibm.com>
3867 * reload1.c: Formatting fixes.
3869 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3871 PR tree-optimization/14784
3872 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3873 * tree-ssa-structalias.c (get_constraint_for,
3874 intra_create_variable_infos): Set is_heapvar.
3875 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3876 non-heapvar pointer variables specially.
3878 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3881 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3882 fold_builtin_tan): Fold all constant arguments. Take a "type"
3883 argument as necessary.
3884 (do_mpfr_arg1): New.
3885 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3887 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3889 * config/xtensa/lib1funcs.asm: Use C-style comments.
3891 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3893 * tree.c (local_define_builtin): Replace calls to
3894 lang_hooks.builtin_function with add_builtin_function.
3895 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3897 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3899 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3900 common code to add_builtin_function.
3901 * langhooks.c (add_builtin_function): New function.
3902 (lhd_builtin_function): New function.
3903 * langhooks.h (struct lang_hooks): Change the signature of
3905 (add_builtin_function): New function.
3906 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3907 calls to lang_hooks.builtin_function with add_builtin_function.
3908 * c-common.c (decl_builtin_1): Replace calls to
3909 lang_hooks.builtin_function with add_builtin_function.
3910 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3911 lang_hooks.builtin_function with add_builtin_function.
3912 * config/frv/frv.c (def_builtin): Replace calls to
3913 lang_hooks.builtin_function with add_builtin_function.
3914 * config/s390/s390.c (s390_init_builtins): Replace calls to
3915 lang_hooks.builtin_function with add_builtin_function.
3916 * config/sparc/sparc.c (def_builtin): Replace calls to
3917 lang_hooks.builtin_function with add_builtin_function.
3918 * config/i386/i386.c (def_builtin): Replace calls to
3919 lang_hooks.builtin_function with add_builtin_function.
3920 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3921 lang_hooks.builtin_function with add_builtin_function.
3922 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3923 lang_hooks.builtin_function with add_builtin_function.
3924 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3925 Replace calls to lang_hooks.builtin_function with
3926 add_builtin_function.
3927 * config/iq2000/iq2000.c (def_builtin):
3928 Replace calls to lang_hooks.builtin_function with
3929 add_builtin_function.
3930 * config/ia64/ia64.c (def_builtin): Replace calls to
3931 lang_hooks.builtin_function with add_builtin_function.
3932 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3933 lang_hooks.builtin_function with add_builtin_function.
3934 (altivec_init_builtins): Replace calls to
3935 lang_hooks.builtin_function with add_builtin_function.
3936 * config/arm/arm.c (def_mbuiltin): Replace calls to
3937 lang_hooks.builtin_function with add_builtin_function.
3938 (arm_init_tls_builtins): Replace calls to
3939 lang_hooks.builtin_function with add_builtin_function.
3940 * config/mips/mips.c (mips_init_builtins): Replace calls to
3941 lang_hooks.builtin_function with add_builtin_function.
3942 * config/bfin/bfin.c (def_builtin): Replace calls to
3943 lang_hooks.builtin_function with add_builtin_function.
3944 * langhooks-def.h (lhd_builtin_function): New function.
3945 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3947 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3949 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3950 BUILT_IN_STRNCAT_CHK.
3952 2006-10-23 Jan Hubicka <jh@suse.cz>
3954 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3955 don't do conversion from memmove to memcpy here.
3956 (expand_builtin_bcopy, expand_builtin): Update call of
3957 expand_builtin_memmove.
3958 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3960 2006-10-23 Paul Brook <paul@codesourcery.com>
3962 * stor-layout.c (start_record_layout): maximum_field_alignment
3963 overrides STRUCTURE_SIZE_BOUNDARY.
3965 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3967 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3968 nonlocal function symbols if flag_pic.
3970 2006-10-23 Richard Guenther <rguenther@suse.de>
3974 * builtins.c (fold_binary): Remove checks for flag_wrapv
3975 and flag_trapv where negate_expr_p covers these cases.
3977 2006-10-23 Richard Guenther <rguenther@suse.de>
3980 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3981 of two on the absolute value.
3982 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3983 and negating -C does not overflow.
3985 2006-10-23 Richard Guenther <rguenther@suse.de>
3988 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3989 only if not flag_rounding_math.
3991 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3992 Kaz Kojima <kkojima@gcc.gnu.org>
3995 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3996 SImode memory reference for the source of a movua.
3997 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3998 (movua): Use an unspec instead of sign_extract. Expect the source
3999 to have mode BLKmode.
4000 (extv, insv): Use a BLKmode rather than SImode memory reference
4001 for the source of a movua.
4003 2006-10-22 Jeff Law <law@redhat.com>
4004 Richard Guenther <rguenther@suse.de>
4006 PR tree-optimization/15911
4007 * tree-vrp.c (extract_code_and_val_from_cond): New function.
4008 (register_edge_assert_for_1): Likewise.
4009 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
4010 (find_conditional_asserts): Adjust for new function signature.
4011 (find_assert_locations): Likewise.
4013 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4015 * config/i386/tmmintrin.h: Remove the duplicated content.
4017 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4019 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
4020 (x86_64-*-*): Likewise.
4022 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
4023 (override_options): Check SSSE3.
4024 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
4025 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
4026 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
4027 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
4028 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
4029 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
4030 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
4031 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
4032 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
4033 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
4034 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
4035 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
4036 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
4037 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
4038 IX86_BUILTIN_PABSD128.
4039 (bdesc_2arg): Add SSSE3.
4040 (bdesc_1arg): Likewise.
4041 (ix86_init_mmx_sse_builtins): Support SSSE3.
4042 (ix86_expand_builtin): Likewise.
4043 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
4045 * config/i386/i386.md (UNSPEC_PSHUFB): New.
4046 (UNSPEC_PSIGN): Likewise.
4047 (UNSPEC_PALIGNR): Likewise.
4048 Include mmx.md before sse.md.
4050 * config/i386/i386.opt: Add -mssse3.
4052 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
4053 (ssse3_phaddwv4hi3): Likewise.
4054 (ssse3_phadddv4si3): Likewise.
4055 (ssse3_phadddv2si3): Likewise.
4056 (ssse3_phaddswv8hi3): Likewise.
4057 (ssse3_phaddswv4hi3): Likewise.
4058 (ssse3_phsubwv8hi3): Likewise.
4059 (ssse3_phsubwv4hi3): Likewise.
4060 (ssse3_phsubdv4si3): Likewise.
4061 (ssse3_phsubdv2si3): Likewise.
4062 (ssse3_phsubswv8hi3): Likewise.
4063 (ssse3_phsubswv4hi3): Likewise.
4064 (ssse3_pmaddubswv8hi3): Likewise.
4065 (ssse3_pmaddubswv4hi3): Likewise.
4066 (ssse3_pmulhrswv8hi3): Likewise.
4067 (ssse3_pmulhrswv4hi3): Likewise.
4068 (ssse3_pshufbv16qi3): Likewise.
4069 (ssse3_pshufbv8qi3): Likewise.
4070 (ssse3_psign<mode>3): Likewise.
4071 (ssse3_psign<mode>3): Likewise.
4072 (ssse3_palignrti): Likewise.
4073 (ssse3_palignrdi): Likewise.
4074 (abs<mode>2): Likewise.
4075 (abs<mode>2): Likewise.
4077 * config/i386/tmmintrin.h: New file.
4079 * doc/extend.texi: Document SSSE3 built-in functions.
4081 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
4083 2006-10-22 Ira Rosen <irar@il.ibm.com>
4085 * tree-vect-transform.c (vectorizable_load): Use the type of the
4086 return value of the mask_for_load builtin to create realign_load
4089 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4091 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4094 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4096 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4097 (UNSPEC_LDDQU): This.
4098 * config/i386/sse.md (sse3_lddqu): Updated.
4100 2006-10-21 Richard Guenther <rguenther@suse.de>
4102 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4103 (expand_builtin): Use it to expand lrint instead of
4104 expand_builtin_mathfn.
4106 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4109 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4110 flag_unsafe_math_optimizations is set.
4112 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4115 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4116 patterns to use memory input operand in x87->mem->XMM
4117 reload sequences. Skip transformation for TARGET_K8.
4119 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4121 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4122 force operand1 to register if both operands are memory operands.
4123 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4124 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4125 if both operands are memory operands.
4126 (truncdfsf2): Do not force operand1 to register if both operands
4127 are memory operands.
4129 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4131 * Makefile.in (LIBS): Add $(GMPLIBS).
4132 * doc/install.texi: Update GMP and MPFR requirements.
4133 * doc/sourcebuild.texi (need_gmp): Delete.
4135 2006-10-21 Richard Guenther <rguenther@suse.de>
4137 PR tree-optimization/3511
4138 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4139 got new invariant arguments during PHI translation.
4141 2006-10-21 Richard Guenther <rguenther@suse.de>
4144 * fold-const.c (fold_comparison): Fold signed comparisons
4145 of the form X +- C1 CMP Y +- C2.
4147 2006-10-21 Richard Guenther <rguenther@suse.de>
4150 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4151 if flag_unsafe_math_optimizations is specified. We have
4152 flag_finite_math_only for that.
4153 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4154 or flag_unsafe_math_optimizations.
4156 2006-10-21 Richard Guenther <rguenther@suse.de>
4158 * builtins.c (fold_builtin_classify): Fix typo.
4160 2006-10-21 Richard Guenther <rguenther@suse.de>
4163 * simplify-rtx.c (simplify_const_relational_operation):
4164 Do not constant-fold ORDERED and UNORDERED for
4165 flag_unsafe_math_optimizations but only we do not need to
4166 honor NaNs for the given mode.
4168 2006-10-21 Richard Guenther <rguenther@suse.de>
4171 * config/i386/i386.c (classify_argument): Remove redundant
4172 walking of the BINFOs.
4173 (contains_128bit_aligned_vector_p): Likewise.
4175 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4177 * BASE-VER: Set to 4.3.0.
4179 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4181 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4182 (tree_decl_with_vis): Remove artificial_pta_var flag.
4183 * tree-flow.h (referenced_var_check_and_insert): Expose.
4184 (nonlocal_all): New prototype.
4185 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4186 (nonlocal_all): Make global.
4187 (nonlocal_lookup): Remove.
4188 (nonlocal_insert): Ditto.
4189 (create_nonlocal_var): Do not call nonlocal_insert.
4190 (get_nonlocal_id_for_type): Remove.
4191 (find_global_initializers): Mark new vars we find for renaming.
4192 (intra_create_variable_infos): Only create one nonlocal.
4193 (expand_nonlocal_solutions): Remove.
4194 (compute_points_to_sets): Don't call it.
4195 (ipa_pta_execute): Ditto.
4196 (init_alias_heapvars): Don't create nonlocal_for_type.
4197 (delete_alias_heapvars): Don't remove it.
4198 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4201 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4203 * doc/install.texi (Downloading GCC): Clarify mention of
4204 Fortran in the "full distribution" description.
4206 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4208 Fix PR tree-optimization/28778
4209 Fix PR tree-optimization/29156
4210 Fix PR tree-optimization/29415
4211 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4212 (tree_decl_with_vis): Add artificial_pta_var flag.
4213 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4214 pushed into callers.
4215 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4216 (nonlocal_all): Ditto.
4217 (struct variable_info): Add directly_dereferenced member.
4218 (var_escaped_vars): New variable.
4219 (escaped_vars_tree): Ditto.
4220 (escaped_vars_id): Ditto.
4221 (nonlocal_vars_id): Ditto.
4222 (new_var_info): Set directly_dereferenced.
4223 (graph_size): New variable
4224 (build_constraint_graph): Use graph_size.
4225 (solve_graph): Don't process constraints that cannot change the
4226 solution, don't try to propagate an empty solution to our
4228 (process_constraint): Set directly_dereferenced.
4229 (could_have_pointers): New function.
4230 (get_constraint_for_component_ref): Don't process STRING_CST.
4231 (nonlocal_lookup): New function.
4232 (nonlocal_insert): Ditto.
4233 (create_nonlocal_var): Ditto.
4234 (get_nonlocal_id_for_type): Ditto.
4235 (get_constraint_for): Allow results vector to be empty in the case
4236 of string constants.
4237 Handle results of calls properly.
4238 (update_alias_info): Update alias info stats on number and type of
4240 (find_func_aliases): Use could_have_pointers.
4241 (make_constraint_from_escaped): Renamed from
4242 make_constraint_to_anything, and changed to make constraints from
4244 (make_constraint_to_escaped): New function.
4245 (find_global_initializers): Ditto.
4246 (create_variable_info_for): Make constraint from escaped to any
4247 global variable, and from any global variable to the set of
4249 (intra_create_variable_infos): Deal with escaped instead of
4250 pointing to anything.
4251 (set_uids_in_ptset): Do type pruning on directly dereferenced
4253 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4254 (init_base_vars): Fix comment, and initialize escaped_vars.
4255 (need_to_solve): Removed.
4256 (find_escape_constraints): New function.
4257 (expand_nonlocal_solutions): Ditto.
4258 (compute_points_to_sets): Call find_escape_constraints and
4259 expand_nonlocal_solutions.
4260 (delete_points_to_sets): Don't fall off the end of the graph.
4261 (init_alias_heapvars): Initialize nonlocal_for_type and
4263 (delete_alias_heapvars): Free nonlocal_for_type and null out
4266 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4268 * fold-const.c (add_double): Rename to add_double_with_sign.
4269 Add 'unsigned_p' parameter and take it into account for the overflow.
4270 (mul_double): Rename to mul_double_with_sign.
4271 Add 'unsigned_p' parameter and take it into account for the overflow.
4272 (fold_div_compare): Call add_double_with_sign instead of add_double
4273 and mul_double_with_sign instead of mul_double, passing them the
4274 unsignedness of the type.
4275 * tree.h (add_double): Macroize.
4276 (add_double_with_sign): New prototype.
4277 (mul_double): Macroize.
4278 (mul_double_with_sign): New prototype.
4280 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4282 * config/score/crti.asm: New file.
4283 * config/score/crtn.asm: New file.
4284 * config/score/elf.h: New file.
4285 * config/score/mac.md: New file.
4286 * config/score/misc.md: New file.
4287 * config/score/mul-div.S: New file.
4288 * config/score/predicates.md: New file.
4289 * config/score/score7.md: New file.
4290 * config/score/score.c: New file.
4291 * config/score/score-conv.h: New file.
4292 * config/score/score.h: New file.
4293 * config/score/score.md: New file.
4294 * config/score/score-mdaux.c: New file.
4295 * config/score/score-mdaux.h: New file.
4296 * config/score/score-modes.def: New file.
4297 * config/score/score.opt: New file.
4298 * config/score/score-protos.h: New file.
4299 * config/score/score-version.h: New file.
4300 * config/score/t-score-elf: New file.
4301 * config.gcc: Add score*-*-* configurations(Update before).
4302 * doc/invoke.texi (Score Options): New section.
4303 * doc/md.texi (Score family): New section to document constraints.
4305 2006-10-19 Nick Clifton <nickc@redhat.com>
4307 * config/arm/arm.c: Fix spelling typo.
4309 2006-10-18 Tom Tromey <tromey@redhat.com>
4311 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4313 2006-10-18 Jan Hubicka <jh@suse.cz>
4316 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4319 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4321 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4322 TSI_SAME_STMT, since that's the desired entity.
4324 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4326 * config/s390/contraints.md: New file.
4327 * config/s390/s390-protos.h (s390_mem_constraint,
4328 s390_O_constraint_str, s390_N_constraint_str,
4329 s390_float_const_zero_p): Function prototypes added.
4330 * config/s390/s390.c (s390_extra_constraint_str,
4331 s390_const_double_ok_for_constraint_p,
4332 s390_const_ok_for_constraint_p): Functions removed.
4333 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4334 s390_float_const_zero_p): New functions.
4335 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4336 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4337 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4338 Macro definitions removed.
4339 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4340 s390_extra_constraint_str): Functions removed.
4342 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4343 Richard Sandiford <richard@codesourcery.com>
4346 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4347 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4349 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4351 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4352 (DWARF2_FRAME_REG_OUT): Likewise.
4353 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4354 (DWARF2_FRAME_REG_OUT): Likewise.
4356 2006-10-17 Paul Brook <paul@codesourcery.com>
4358 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4360 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4362 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4363 Standardize on "GNU Fortran" as the official name of the Fortran
4366 2006-10-16 Mike Stump <mrs@apple.com>
4368 * doc/invoke.texi (Darwin Options): Document -mkernel.
4369 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4371 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4372 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4373 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4374 (OS_MISSING_ALTIVEC): Add.
4375 * config/i386/i386.c (override_options): Add
4376 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4377 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4378 -mkernel, -static or -mdynamic-no-pic is given.
4379 (C_COMMON_OVERRIDE_OPTIONS): Add.
4380 * config/darwin.opt (fapple-kext): Add.
4382 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4383 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4385 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4386 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4387 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4388 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4389 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4390 (flag_mkernel): Add.
4391 (flag_apple_kext): Add.
4392 (TARGET_KEXTABI): Add.
4393 * config/darwin.c (darwin_handle_kext_attribute): Add.
4394 (DARWIN_VTABLE_P): Add.
4395 (darwin_binds_local_p): Add partial support for rebinding vtables
4397 (darwin_kextabi_p): Add.
4398 (darwin_override_options): Add.
4399 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4400 (darwin_kextabi_p): Add.
4401 (darwin_override_options): Add.
4402 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4403 __DYNAMIC__ and __STATIC__ here.
4405 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4407 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4408 Added mention of "make pdf" target, and Texinfo requirements for
4411 2006-10-16 DJ Delorie <dj@redhat.com>
4413 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4414 into the GOT in case we need a subreg of the address.
4416 2006-10-16 Richard Guenther <rguenther@suse.de>
4419 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4420 SSE builtin documentation. Document SSE2 builtins.
4422 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4424 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4425 symbol in the output file for non-shared links when -nostdlib or
4426 -nodefaultlibs isn't specified.
4428 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4429 posix thread support.
4431 2006-10-15 Jan Hubicka <jh@suse.cz>
4434 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4435 declared always_inline even when not inlining.
4437 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4438 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4439 Andrew Pinski <pinskia@gmail.com>
4442 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4444 2006-10-15 Jan Hubicka <jh@suse.cz>
4445 Richard Guenther <rguenther@suse.de>
4448 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4449 process_function_and_variable_attributes on all variables, including
4450 those discovered during cgraph construction phase.
4452 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4454 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4456 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4458 * config/i386/athlon.md (athlon_fist): Add fisttp.
4460 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4461 Ian Lance Taylor <ian@airs.com>
4464 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4465 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4468 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4470 * config/score/score.c, config/score/score.h: Fix comment
4473 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4476 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4479 2006-10-13 Eric Christopher <echristo@apple.com>
4481 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4483 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4486 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4487 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4488 alignment supported by 32-bit ELF.
4490 2006-10-13 Eric Christopher <echristo@apple.com>
4492 * config/darwin.c (darwin_emit_unwind_label): Strip
4493 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4495 2006-10-13 Richard Guenther <rguenther@suse.de>
4497 PR tree-optimization/29446
4498 * tree-vrp.c (fix_equivalence_set): Remove.
4499 (extract_range_from_assert): Do not call fix_equivalence_set.
4500 (debug_value_range): Print a newline.
4501 (compare_name_with_value): For equivalence sets with
4502 inconsistent value ranges conservatively bail out.
4503 (compare_names): Likewise.
4505 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4507 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4508 and MPFR for gfortran.
4510 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4512 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4513 alignment supported by 32-bit ELF.
4515 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4519 * c-typeck.c (digest_init): Always allow initializing vectors
4520 that have static storage duration with compound literals.
4521 * tree.c (build_type_attribute_qual_variant): New, based on
4522 build_type_attribute_variant.
4523 (build_type_attribute_variant): Rewrite using the former.
4524 (make_vector_type): Use build_type_attribute_qual_variant to build
4525 type variants. Use type_hash_canon on the others.
4527 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4528 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4530 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4532 2006-10-12 Jan Hubicka <jh@suse.cz>
4535 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4536 current_function_decl is set but current_function_scope is not.
4538 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4540 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4541 emit_insn to emit eh_return_internal instruction.
4542 (eh_return_internal): Explicitly set pc.
4544 2006-10-11 Richard Guenther <rguenther@suse.de>
4546 PR tree-optimization/28230
4547 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4548 to the correct place.
4550 2006-10-11 Richard Guenther <rguenther@suse.de>
4553 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4556 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4558 * configure.ac: Added pdf to "Make-hooks"
4559 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4560 targets and *.pdf file patterns in cleanup targets.
4561 * configure: Regenerated.
4563 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4565 * config/avr/predicates.md: New file.
4566 * config/avr/avr.md: Include it.
4567 (REG_SP): New constant.
4568 (peepholes): Use predicates.
4569 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4570 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4571 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4573 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4575 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4578 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4581 * builtins.c (var_decl_component_p): New function.
4582 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4583 single entry optimization to variables and components thereof.
4585 2006-10-10 Richard Guenther <rguenther@suse.de>
4587 PR rtl-optimization/29323
4588 * except.c (set_nothrow_function_flags): For functions
4589 that do not bind local bail out early.
4591 2006-10-10 Ben Elliston <bje@au.ibm.com>
4593 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4596 2006-10-09 Richard Henderson <rth@redhat.com>
4598 Revert emutls patch.
4600 2006-10-09 Richard Guenther <rguenther@suse.de>
4603 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4606 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4609 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4610 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4611 * configure: Regenerate.
4612 * config.in: Regenerate.
4614 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4616 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4618 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4620 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4621 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4622 Remove stray newline.
4624 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4626 * config/mips/mips.c (mips_classify_symbol): Do not return
4627 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4628 (mips_in_small_data_p): Tweak comments.
4630 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4632 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4634 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4636 * gimplify.c, sched-int.h: Fix comment typos.
4638 * sched-int.h: Fix comment typos.
4640 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4642 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4644 * sched-ebb.c (begin_schedule_ready): Use them.
4645 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4646 add_to_speculative_block, create_check_block_twin, speculate_insn,
4647 fix_jump_move, move_block_after_check): Ditto.
4648 * sched-rgn.c (new_ready): Ditto.
4650 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4652 PR rtl-optimization/29128
4653 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4654 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4655 allow interblock movement of speculation checks.
4657 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4660 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4661 casted to integer type.
4662 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4663 if they are significantly more expensive than [reg + index] ones.
4665 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4667 PR tree-optimization/29330
4668 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4669 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4670 on newly allocated ddrs.
4671 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4672 to VEC (loop_p, heap) pointer.
4673 (compute_data_dependences_for_loop): Adjust caller.
4674 (free_dependence_relations): Free DDR_LOOP_NEST.
4676 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4677 free DEPENDENCE_RELATIONS and DATAREFS.
4680 * builtins.c (expand_builtin_sync_operation,
4681 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4682 Use convert_to_mode to handle promoted arguments.
4684 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4686 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4688 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4690 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4692 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4694 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4695 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4696 Use <modeconstraint> instead of "r" as operand 1 constraint.
4698 2006-10-06 Olivier Hainque <hainque@adacore.com>
4700 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4701 Don't recurse on the pointed-to type.
4702 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4703 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4704 types with components of variable size.
4706 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4708 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4710 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4712 PR tree-optimization/29290
4713 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4717 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4718 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4721 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4722 the number of vector elements fill the rest with zeros.
4724 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4726 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4727 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4730 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4732 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4733 unnamed pattern into subsi3. Use correct constraints/predicates.
4734 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4735 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4737 2006-10-05 Ira Rosen <irar@il.ibm.com>
4739 * doc/loop.texi: Add data references analysis description.
4741 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4743 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4745 2006-10-04 Richard Henderson <rth@redhat.com>
4746 Jakub Jelinek <jakub@redhat.com>
4748 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4749 * builtin-types.def (BT_WORD): Make unsigned.
4750 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4751 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4752 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4753 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4754 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4755 * cgraph.c (decide_is_variable_needed): Look at force_output.
4756 Recurse for emulated tls.
4757 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4758 checks redundant with decide_is_variable_needed.
4759 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4760 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4762 * expr.c (emutls_var_address): New.
4763 (expand_expr_real_1): Expand emulated tls.
4764 (expand_expr_addr_expr_1): Likewise.
4765 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4766 * output.h (emutls_finish): Declare.
4767 * toplev.c (compile_file): Call it.
4768 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4769 address before wrapping in CONST.
4770 * varasm.c (emutls_htab, emutls_object_type): New.
4771 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4772 (get_emutls_object_name, get_emutls_object_type): New.
4773 (get_emutls_init_templ_addr, emutls_decl): New.
4774 (emutls_common_1, emutls_finish): New.
4775 (assemble_variable): When emulating tls, swap decls; generate
4776 constructor for the emutls objects.
4777 (do_assemble_alias): When emulating tls, swap decl and target name.
4778 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4780 * emutls.c: New file.
4781 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4782 tls_object for real tls.
4784 2006-10-04 Zack Weinberg <zackw@panix.com>
4786 Fix bug in constraint-check generator, reported by Rask Ingemann
4788 * genpreds.c (add_constraint): Don't remove anything from the
4790 (write_tm_constrs_h): Detect whether "op" argument is used, and
4791 mark it ARG_UNUSED if it isn't.
4792 (write_insn_const_int_ok_for_constraint): Skip the part of the
4793 expression that would test whether "op" (which is not available
4794 here) is a CONST_INT.
4796 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4799 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4801 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4803 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4804 current Leopard versions.
4805 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4807 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4809 * doc/install.texi: Fix typos.
4811 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4813 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4814 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4815 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4817 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4819 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4820 arg to be struct mach_header_64* instead.
4822 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4825 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4826 side effects after the outer expression's post side effects.
4828 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4830 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4831 comments to reflect actual behavior and relationship between
4832 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4834 * doc/c-tree.texi (Working with declarations): Fix documentation
4835 of FIELD_DECL likewise.
4837 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4840 * doc/extend.texi: Add used variable attribute description.
4842 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4845 * c.opt (Woverride-init): New.
4846 * c-opts.c (c_common_post_options): Default warn_override_init to
4848 * c-typeck.c (add_pending_init, output_init_element): Warn for
4849 overriding initializers without side effects.
4850 * doc/invoke.texi (-Woverride-init): Document.
4853 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4855 PR rtl-optimization/28096
4856 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4857 assignment has already been used as a destination earlier in the block.
4859 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4861 * builtins.c (expand_builtin_setjmp): Delete.
4862 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4863 <BUILT_IN_SETJMP_SETUP>: New case.
4864 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4865 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4866 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4867 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4868 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4869 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4870 (lower_function_body): Initialize it to false. If it is set to true
4871 at the end of the processing, emit the setjmp dispatcher.
4872 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4873 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4874 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4875 on the rhs of the assignment.
4876 (lower_builtin_setjmp): New function.
4877 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4878 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4879 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4880 to detect calls that can go to non-local labels. Use specific
4881 helper to create the abnormal edges associated with them.
4882 <MODIFY_EXPR>: Likewise.
4883 (make_abnormal_goto_edges): New function extracted from...
4884 (make_goto_expr_edges): ...here. Call it for computed gotos.
4885 (simple_goto_p): Minor tweak.
4886 (tree_can_make_abnormal_goto): New predicate.
4887 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4888 (tree_purge_dead_abnormal_call_edges): New function.
4889 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4890 (tree_purge_dead_abnormal_call_edges): Likewise.
4891 (make_abnormal_goto_edges): Likewise.
4892 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4893 Purge all dead abnormal edges if the call was in the last statement.
4894 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4895 (execute_fixup_cfg): If there are non-local labels in the function,
4896 scan the basic blocks and split them at calls that can go to non-local
4897 labels or add missing abnormal call edges. Write down the CFG in the
4899 (pass_fixup_cfg): Remove TODO_dump_func flag.
4900 * unwind-sjlj.c: Poison setjmp.
4901 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4902 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4903 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4904 (DONT_USE_BUILTIN_SETJMP): Document it.
4906 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4909 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4910 to 1 when __ppc64__ is defined.
4911 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4913 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4915 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4917 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4918 * config/ia64/unwind-hpux.c: Delete.
4920 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4922 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4923 on the element before gimplifying it, instead of punting if it is of
4926 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4928 * doc/loop.texi: New file.
4929 * doc/gccint.texi: Reference loop.texi.
4930 * Makefile.in (loop.texi): Add.
4932 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4934 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4936 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4937 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4939 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4941 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4943 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4945 * doc/install.texi: Document required versions of GMP and MPFR.
4947 2006-09-27 Paul Brook <paul@codesourcery.com>
4950 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4952 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4954 * reload1.c (alter_reg): Require the alignment of the stack slot to
4955 be at least reg_max_ref_width bytes.
4956 (scan_paradoxical_subregs): Record the largest width in
4959 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4963 * tree-nested.c (struct nesting_info): Added static_chain_added.
4964 (convert_call_expr): Set static_chain_added when adding static
4965 chain. Handle OMP_PARALLEL and OMP_SECTION.
4967 2006-09-25 Matthias Klose <doko@debian.org>
4969 * doc/invoke.texi: Add missing full stop.
4971 2006-09-25 Richard Henderson <rth@redhat.com>
4973 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4974 before cgraph_function_flags_ready.
4976 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4977 Adam Nemet <anemet@caviumnetworks.com>
4979 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4980 determine_common_wider_type): New functions.
4981 (get_computation_aff): Use them to simplify arithmetic between
4982 UBASE and CBASE if they are shortened from the same type.
4984 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4987 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4988 -2147483647 - 1 instead of 0x80000000.
4990 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4992 * flags.h (HONOR_NANS): Fix typo in comment.
4994 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4996 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4998 2006-09-23 Jakub Jelinek <jakub@redhat.com>
5002 * tree.c (merge_attributes, attribute_list_contained): If both
5003 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
5005 * c-typeck.c (comptypes_internal): Don't consider aggregates
5006 in different TUs as compatible if there one set of attributes is
5007 not a subset of the other type's attributes.
5008 (composite_type): Try harder not to create a new aggregate type.
5010 2006-09-22 Geoffrey Keating <geoffk@apple.com>
5012 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
5013 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
5014 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
5015 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
5016 than replicating condition above.
5017 * config.host (i[34567]86-*-*): Always use driver-i386.o.
5019 * config/darwin.h (LINK_SYSROOT_SPEC): New.
5020 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
5021 the linker by default.
5023 2006-09-22 Mike Stump <mrs@apple.com>
5025 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
5028 2006-09-22 Richard Guenther <rguenther@suse.de>
5031 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
5032 sort of stack variables stable.
5034 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
5037 * explow.c (force_reg): Set REG_POINTER flag according to
5040 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
5042 PR tree-optimization/28888
5043 * tree-if-conv.c (combine_blocks): Rewritten.
5044 * tree-cfg.c (tree_verify_flow_info): Check that edges with
5045 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
5047 2006-09-22 Jakub Jelinek <jakub@redhat.com>
5049 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
5052 2006-09-21 Richard Sandiford <richard@codesourcery.com>
5054 * varasm.c (copy_constant): Fix reversed gcc_assert check.
5056 2006-09-21 Janis Johnson <janis187@us.ibm.com>
5058 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
5060 2006-09-21 Roger Sayle <roger@eyesopen.com>
5063 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
5064 dw_fde_current_label, to be the start of the function, i.e. the same
5065 value as dw_fde_begin.
5067 2006-09-20 Richard Sandiford <richard@codesourcery.com>
5069 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
5070 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
5071 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
5072 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
5073 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
5074 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
5075 (abs<mode>2, neg<mode>2): Likewise.
5076 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
5077 (*mips_abs_ps): New define_insn.
5079 2006-09-20 Josh Conner <jconner@apple.com>
5082 * calls.c (expand_call): Allow reuse of structure return stack
5085 2006-09-20 Paul Brook <paul@codesourcery.com>
5087 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5090 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5092 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5093 clean up terminology.
5095 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5098 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5099 with tablejumps in them.
5101 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5104 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5105 wrap it into TARGET_EXPR.
5107 2006-09-20 Eric Christopher <echristo@apple.com>
5109 * config/i386/i386.c (x86_fisttp): Remove.
5110 * config/i386/i386.h (x86_fisttp): Ditto.
5111 (TARGET_FISTTP): Ditto.
5113 2006-09-19 Eric Christopher <echristo@apple.com>
5115 * doc/tm.texi (OBJC_JBLEN): Describe.
5116 * config/i386/darwin.h (OBJC_JBLEN): Define.
5117 * config/rs6000/darwin.h: Ditto.
5119 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5121 PR rtl-optimization/21299
5122 * reload1.c (reload): Purge invalid ASMs in the final pass.
5124 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5127 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5128 pointers as legitimate constants.
5130 2006-09-19 Paul Brook <paul@codesourcery.com>
5133 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5135 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5137 PR tree-optimization/28887
5138 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5139 component parts from the reference.
5140 (gather_memory_references_ref): Record the reference without the
5141 nonaddressable component parts.
5143 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5146 * c-opts.c (c_common_handle_option): Ignore the -std options
5147 if the input language is assembly.
5149 2006-09-17 Ira Rosen <irar@il.ibm.com>
5152 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5154 (ptr_ptr_may_alias_p): Likewise.
5155 (record_record_differ_p): New function.
5156 (base_object_differ_p): Call record_record_differ_p.
5158 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5161 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5162 away for the expr argument.
5164 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5167 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5168 before using it for dumping after vectorizing loops.
5170 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5171 Jack Howarth <howarth@bromo.med.uc.edu>
5174 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5175 skip on error_mark_node.
5176 (rs6000_darwin64_record_arg_recurse): Likewise.
5178 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5180 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5181 * doc/rtl.texi: Remove related documentation.
5183 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5185 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5188 2006-09-15 Jim Wilson <wilson@specifix.com>
5190 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5191 Handle symbol offsets same as they are handled in ia64_expand_move
5194 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5196 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5197 Add forgotten parameter to the fprintf call.
5199 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5201 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5203 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5205 * doc/contrib.texi: Add my entry.
5207 2006-09-15 Nick Clifton <nickc@redhat.com>
5209 * doc/md.texi (Processor pipeline description): Fix typo in
5210 example of how to use the absence_set directive and reword the
5211 description to make it slightly easier to read.
5213 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5215 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5216 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5217 expanding the number of iterations.
5218 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5220 * cfgrtl.c (emit_insn_at_entry): New function.
5221 * rtl.h (emit_insn_at_entry): Declare it.
5222 * integrate.c (emit_initial_value_sets): Use it.
5224 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5226 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5228 (struct loop_work and related VEC declarations): Delete.
5229 (bfin_dump_loops): Print out new member bad.
5230 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5231 (bfin_scan_loop): Don't recurse.
5232 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5233 loops. No longer need to update outer loops if the current one is
5234 found bad. Move some validitiy checks to bfin_discover_loop.
5235 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5236 but changed not to check for nesting. Also changed to use the new bad
5238 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5239 time. Use bitmap based test to discover loop nesting.
5241 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5243 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5246 2006-09-14 Richard Guenther <rguenther@suse.de>
5247 Kazu Hirata <kazu@codesourcery.com>
5249 PR middle-end/28884.
5250 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5251 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5252 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5253 with TARGET_FUNCTION_VALUE.
5255 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5258 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5260 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5262 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5265 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5268 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5271 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5273 * basic_block.h (bb_has_eh_pred): Fix comment.
5275 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5277 * flow.c (calculate_global_regs_live): Invalidate eh registers
5278 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5279 (propagate_block): Handle eh registers as if they were set at basic
5281 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5283 * global.c (global_conflicts): Make eh registers to conflict with
5284 pseudos live at basic block begin.
5285 * basic_block.h (bb_has_eh_pred): New function.
5287 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5289 PR rtl-optimization/28982
5290 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5291 index of a PRE_MODIFY or POST_MODIFY address.
5292 * reload1.c (inc_for_reload): Use find_replacement on the original
5293 base and index registers.
5295 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5297 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5298 for -Os. Update __m128 alignment requirement.
5300 2006-09-13 Jan Hubicka <jh@suse.cz>
5302 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5304 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5306 PR rtl-optimization/28243
5307 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5308 the insn to which the note was originally attached.
5310 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5311 Roger Sayle <roger@eyesopen.com>
5313 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5314 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5315 on platforms that don't use dwarf for debug info.
5317 2006-09-12 Jason Merrill <jason@redhat.com>
5320 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5321 hard_frame_pointer_rtx after using it to update the frame pointer.
5323 2006-09-12 Roger Sayle <roger@eyesopen.com>
5325 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5326 (TARGET_ASM_CLOSE_PAREN): Likewise.
5327 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5328 (TARGET_ASM_CLOSE_PAREN): Likewise.
5330 2006-09-12 Roger Sayle <roger@eyesopen.com>
5333 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5334 frame information for frames larger than 512 Kbytes on Tru64 when
5335 using the native assembler.
5337 2006-09-12 Roger Sayle <roger@eyesopen.com>
5341 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5342 and symbols. Instead use the implementation from cse.c's hash_rtx.
5344 2006-09-12 Jan Hubicka <jh@suse.cz>
5346 PR rtl-optimization/28071
5347 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5348 (vect_transform_loop): Likewise.
5349 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5350 (new_loop_vec_info): Likewise.
5351 (destroy_loop_vec_info): Likewise.
5352 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5353 (create_stmt_ann): Likewise.
5354 (create_tree_ann): Rename to ...
5355 (create_tree_common_ann): ... this one; allocate only the common part
5357 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5358 (get_value_handle): Likewise.
5359 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5360 get_tree_common_ann.
5361 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5362 (vinfo_for_stmt): Use stmt annotations.
5363 * tree-flow.h (tree_ann_common_t): New type.
5364 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5365 (tree_ann, get_tree_ann, create_tree_ann): New.
5366 * tree-flow-inline.h (get_function_ann): Do more type checking.
5367 (stmt_ann): Likewise.
5368 (tree_ann): Rename to ...
5369 (tree_common_ann): ... this one; return ony common_ann
5370 (get_tree_ann): Rename to ...
5371 (tree_common_ann): This one; return only common_ann.
5372 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5375 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5377 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5378 with_cpu by default.
5380 * dwarf2out.c (dwarf_file_data): New.
5381 (enum dw_val_class): Add dw_val_class_file.
5382 (struct dw_val_struct): Add val_file.
5383 (file_table): Change to a hash table.
5384 (file_table_emitted): Delete.
5385 (file_table_last_lookup_index): Delete.
5386 (emitcount): Delete.
5387 (last_emitted_file): New.
5388 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5389 (init_file_table): Delete.
5390 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5391 (AT_addr): Add comment.
5395 (print_die): Handle dw_val_class_file.
5396 (print_dwarf_line_table): Update for new file table structure.
5397 (attr_checksum): Do checksum a filename.
5398 (same_dw_val_p, same_attr_p): Do compare a filename.
5399 (size_of_die): Handle dw_val_class_file.
5400 (value_format): Likewise.
5401 (output_die): Likewise. Also, call maybe_emit_file here.
5402 (struct file_info): Constify filenames. Make file_idx a pointer
5403 to a struct dwarf_file_data.
5404 (struct dir_info): Constify directory names. Remove 'used' field.
5405 (struct file_name_acquire_data): New.
5406 (file_name_acquire): New.
5407 (output_file_names): Modify to handle new file data structures.
5408 (add_src_coords_attributes): Use add_AT_file.
5409 (add_call_src_coords_attributes): Likewise.
5410 (dwarf2out_imported_module_or_decl): Likewise.
5411 (gen_subprogram_die): Modify for new file data structures.
5412 (gen_variable_die): Likewise.
5413 (file_table_eq): New.
5414 (file_table_hash): New.
5415 (file_table_last_lookup): New.
5416 (lookup_filename): Rewrite to handle new file data structures.
5417 (maybe_emit_file): Rewrite to handle new file data structures.
5418 (dwarf2out_source_line): Always call lookup_filename and
5420 (dwarf2out_init): Create file_table here.
5421 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5422 (file_table_relative_p): New.
5423 (dwarf2out_finish): Change detection of relative filenames
5424 to work with new file data structures. Move output_line_info call
5425 after debug_info output.
5427 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5432 * config/i386/i386.c (override_options): Always default to 16
5433 byte stack boundary.
5435 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5438 * var-tracking.c (dump_dataflow_set): Start dumping at
5440 (clobber_variable_part): Kill only the variable part in
5441 registers holding it, leaving other variables alone.
5443 2006-09-11 Josh Triplett <josh@freedesktop.org>
5445 * doc/extend.texi (Other Builtins): Actually use the macro
5446 argument in the documentation example for
5447 __builtin_types_compatible_p.
5449 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5451 PR rtl-optimization/28726
5452 * sched-deps.c (sched_analyze_reg): New function extracted from...
5453 (sched_analyze_1): ...here. Call it to analyze references to
5454 registers. Treat again writes to a stack register as writing to the
5456 (sched_analyze_2): ...and here. Call it to analyze references to
5457 registers. Treat again reads of a stack register as reading the
5460 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5461 David Edelsohn <edelsohn@gnu.org>
5464 * config/rs6000/spe.md (frob_df_di): Remove %H.
5465 (frob_di_df): Remove %H. Change evmergelo to mr.
5466 (frob_di_df_2): Remove %H. Change evldd to two loads.
5468 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5470 * doc/cpp.texi: Fix names of charset options.
5472 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5475 * config/i386/i386.c (override_options): Use 128-bit
5476 stack boundary always for 64bits.
5478 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5480 PR rtl-optimization/28636
5481 * combine.c (force_to_mode): Test for side-effects before
5482 substituting by zero.
5483 (simplify_shift_const): Likewise for zero or other constants.
5485 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5488 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5491 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5494 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5495 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5496 returned by mode_for_size, rather than the mode of src itself,
5497 to choose between 32-bit and 64-bit patterns.
5498 (mips_mem_fits_mode_p): New function.
5499 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5500 that the size of the source matches the size of the destination.
5501 (mov_<store>l, mov_<store>r): Likewise.
5503 2006-09-10 Eric Christopher <echristo@apple.com>
5505 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5508 2006-09-09 Eric Christopher <echristo@apple.com>
5511 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5514 2006-09-09 Roger Sayle <roger@eyesopen.com>
5515 Nicolas Setton <setton@adacore.com>
5517 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5519 2006-09-10 Andreas Schwab <schwab@suse.de>
5521 * config/m68k/m68k.md (bungt_rev): New pattern.
5523 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5524 Dale Johannesen <dalej@apple.com>
5527 * regclass.c (struct reg_pref): Update documentation.
5528 (regclass): Set prefclass to NO_REGS if memory is the best option.
5529 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5531 2006-09-08 Eric Christopher <echristo@apple.com>
5533 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5534 * config/t-slibgcc-darwin: Support x86_64 multilib.
5535 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5536 Return 1 for x86_64-darwin.
5537 * config/i386/t-darwin: Add m64 multilib.
5538 (LIB2_SIDITI_CONV_FUNCS): Use.
5539 (LIB2FUNCS_EXTRA): Ditto.
5540 * config/i386/darwin.h: Support x86_64.
5541 * config/i386/i386.c (override_options): Turn on flag_pic
5542 for x86_64-darwin. Disable flag_omit_pointer.
5543 (get_pc_thunk_name): Assert !TARGET_64BIT.
5544 (legitimate_address_p): Disable machopic addressing for
5546 (legitimize_pic_address): Ditto.
5547 (ix86_expand_move): Ditto.
5548 (ix86_expand_call): Ditto.
5549 (machopic_output_stub): Ditto.
5550 * config/darwin.c (machopic_select_section): Support literal16.
5551 (machopic_select_rtx_section): Ditto.
5552 * config/darwin-sections.def: Ditto.
5553 * config/darwin-64.c: New.
5555 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5558 * c-tree.h (struct c_arg_info): Add pending_sizes.
5559 * c-parser.c (c_parser_parms_declarator,
5560 c_parser_parms_list_declarator): Initialize pending_sizes.
5561 * c-decl.c (get_parm_info): Initialize pending_sizes.
5562 (get_parm_info): Set pending_sizes.
5563 (grokdeclarator): Call put_pending_sizes for parameters for
5564 function definition only.
5566 2006-09-07 Jason Merrill <jason@redhat.com>
5569 * varasm.c (output_constant): Only strip actual no-op conversions.
5572 * config/i386/i386.c (override_options): Use 128-bit
5573 stack boundary if -msse.
5575 2006-09-07 Eric Christopher <echristo@apple.com>
5577 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5579 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5582 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5584 * dwarf2out.c: Remove strange characters from comment above
5585 dwarf2out_frame_debug_expr.
5587 2006-09-07 Eric Christopher <echristo@apple.com>
5589 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5590 * config/darwin.h: ... to here.
5592 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5594 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5596 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5597 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5599 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5600 TARGET_PARTIAL_FLAG_REG_STALL.
5601 (*ashldi3_cconly_rex64): Likewise.
5602 (*ashlsi3_cmp): Likewise.
5603 (*ashlsi3_cconly): Likewise.
5604 (*ashlsi3_cmp_zext): Likewise.
5605 (*ashlhi3_cmp): Likewise.
5606 (*ashlhi3_cconly): Likewise.
5607 (*ashlqi3_cmp): Likewise.
5608 (*ashlqi3_cconly): Likewise.
5609 (*ashrdi3_cmp_rex64): Likewise.
5610 (*ashrdi3_cconly_rex64): Likewise.
5611 (*ashrsi3_cmp): Likewise.
5612 (*ashrsi3_cconly): Likewise.
5613 (*ashrsi3_cmp_zext): Likewise.
5614 (*ashrhi3_cmp): Likewise.
5615 (*ashrhi3_cconly): Likewise.
5616 (*ashrqi3_cmp): Likewise.
5617 (*ashrqi3_cconly): Likewise.
5618 (*lshrdi3_cmp_rex64): Likewise.
5619 (*lshrdi3_cconly_rex64): Likewise.
5620 (*lshrsi3_cmp): Likewise.
5621 (*lshrsi3_cconly): Likewise.
5622 (*lshrsi3_cmp_zext): Likewise.
5623 (*lshrhi3_cmp): Likewise.
5624 (*lshrhi3_cconly): Likewise.
5625 (*lshrqi2_cmp): Likewise.
5626 (*lshrqi2_cconly): Likewise.
5628 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5631 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5632 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5633 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5634 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5635 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5636 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5637 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5638 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5639 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5640 implement only CC setting effects of shift instructions.
5642 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5644 * doc/contrib.texi: Add myself.
5646 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5649 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5650 was set by the user.
5652 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5655 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5656 (divsi_inv_m1): Use them.
5657 (UNSPEC_DIV_INV_TABLE): New constant.
5659 2006-09-06 James E Wilson <wilson@specifix.com>
5662 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5663 then call count_or_remove_death_notes.
5665 2006-09-06 Jason Merrill <jason@redhat.com>
5668 * tree-inline.c (copy_result_decl_to_var): New fn.
5669 (declare_return_variable): Use it. Call declare_inline_vars here.
5670 (expand_call_inline): Not here.
5672 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5674 * doc/contrib.texi: Update my entry.
5676 2006-09-06 Nick Clifton <nickc@redhat.com>
5678 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5680 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5683 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5684 (canonicalize_induction_variables): Likewise.
5685 (tree_unroll_loops_completely): Likewise.
5686 (tree_ssa_prefetch_arrays): Likewise.
5687 (remove_empty_loops): Likewise.
5688 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5689 TODO_cleanup_cfg instead of directly calling
5690 cleanup_tree_cfg_loop.
5691 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5693 (tree_unroll_loops_completely): Likewise.
5694 (remove_empty_loops): Likewise.
5695 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5696 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5697 of tree_ssa_unswitch_loops.
5698 (tree_ssa_loop_ivcanon): Use the return value of
5699 canonicalize_induction_variables.
5700 (tree_ssa_empty_loop): Use the return value of
5702 (tree_complete_unroll): Use the return value of
5703 tree_unroll_loops_completely.
5704 (tree_ssa_loop_prefetch): Use the return value of
5705 tree_ssa_prefetch_arrays.
5706 * passes.c (execute_todo): Before Cleanup CFG, set
5707 updating_used_alone and after cleanup CFG, call
5708 recalculate_used_alone.
5710 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5713 * tree-vect-transform.c (vectorizable_condition): Move the check
5714 for the type after the check for simple condition.
5716 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5717 Kaz Kojima <kkojima@gcc.gnu.org>
5720 * mode-switching.c (optimize_mode_switching): Make the destination
5721 block of an abnormal edge have no anticipatable mode. Don't
5722 insert mode switching code at the end of the source block of
5725 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5727 PR rtl-optimization/26847
5728 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5729 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5730 (simplify_plus_minus): Count n_constants while filling ops. Replace
5731 qsort with insertion sort. Before going through the array to simplify
5732 pairs, sort it. Delay early exit until after the first sort, exiting
5733 only if no swaps occurred. Simplify pairs in reversed order, without
5734 special-casing the first iteration. Pack ops after simplifying pairs.
5736 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5738 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5739 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5740 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5741 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5743 2006-09-05 Richard Guenther <rguenther@suse.de>
5745 PR tree-optimization/28900
5746 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5747 compound conditional before creating COND_EXPR condition.
5749 2006-09-05 Richard Guenther <rguenther@suse.de>
5751 PR tree-optimization/28905
5752 * tree-vrp.c (fix_equivalence_set): Manually implement
5753 !value_ranges_intersect_p to also handle symbolic ranges.
5755 2006-09-05 Richard Guenther <rguenther@suse.de>
5758 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5761 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5763 PR rtl-optimization/27616
5764 * cse.c (table_size): New static variable.
5765 (new_basic_block): Initialize it to 0.
5766 (remove_from_table): Decrement it.
5767 (insert): Increment it.
5768 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5769 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5770 fold_rtx_mem_1 if under the cap.
5771 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5772 the lookup of the equivalent expression and test for equality of the
5773 first operand of the equivalent expression before in turn looking up
5774 an equivalent constant for the second operand.
5776 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5779 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5780 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5781 pointer, instead of assuming it is possible to derive the
5782 correct args size from a call insn.
5784 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5787 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5788 (fold_builtin_mempcpy): Rename to...
5789 (fold_builtin_memory_op): ... this. Optimize one element copy
5791 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5793 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5794 (expand_builtin_memcpy, expand_builtin_mempcpy,
5795 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5796 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5797 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5798 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5800 2006-09-01 DJ Delorie <dj@redhat.com>
5802 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5803 (stzx_16): Likewise.
5804 ("stzx_24_<mode>"): Likewise.
5805 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5806 ("cmp<mode>_op"): New.
5807 (cmp<mode>): Change to expander; just save operands.
5809 (b<code>): Change to expander, emit compare here.
5810 (s<code>_op): Change to use split and expander.
5811 (s<code>_24_op): Likewise.
5812 (s<code>_<mode>): New.
5813 (s<code>_<mode>_24): New.
5814 (movqicc_<code>_<mode): New.
5815 (movhicc_<code>_<mode>): New.
5818 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5819 (m32c_pend_compare): New.
5820 (m32c_unpend_compare): New.
5821 (m32c_expand_scc): New.
5822 (m32c_expand_movcc): Emit the compare also.
5823 * config/m32c/predicates.md (mra_nopp_operand): New.
5825 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5826 Richard Guenther <rguenther@suse.de>
5827 Adam Nemet <anemet@caviumnetworks.com>
5830 * builtins.c (get_pointer_alignment): Handle more forms
5831 of base addresses that can be used to derive more precise
5832 information about alignment.
5834 2006-09-01 Jason Merrill <jason@redhat.com>
5837 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5840 * gimplify.c (voidify_wrapper_expr): Handle null type.
5842 2006-09-01 Josh Conner <jconner@apple.com>
5845 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5846 (execute_return_slot_opt): Use it.
5848 2006-08-31 Josh Conner <jconner@apple.com>
5851 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5852 returning aggregates.
5854 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5856 PR tree-optimization/28839
5857 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5858 blocks in that phi arguments appear.
5860 2006-08-31 Roger Sayle <roger@eyesopen.com>
5863 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5864 NULL, otherwise use an advance_loc4 to adjust relative to the
5866 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5867 (dwarf2out_switch_text_section): Reset the current label to avoid
5868 using advance_loc4 over section boundaries.
5870 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5873 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5874 r12 + SYMBOLIC_CONST.
5876 2006-08-30 Richard Guenther <rguenther@suse.de>
5878 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5880 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5882 PR rtl-optimization/27735
5883 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5884 Add new argument to keep track of whether an irreducible region
5885 was affected. All callers changed.
5886 (fix_irreducible_loops): Removed.
5887 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5888 flags were invalidated.
5890 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5892 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5893 instead of SF operands.
5894 (*fop_df_comm_sse): Likewise.
5895 (*fop_df_comm_i387): Likewise.
5896 (*fop_df_1_mixed): Likewise.
5897 (*fop_df_1_sse): Likewise.
5899 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5900 J"orn Rennecke <joern.rennecke@st.com>
5902 PR tree-optimization/17506
5903 * tree-ssa.c (warn_uninit): If warning about a location outside of
5904 the current function, note where the variable was declared.
5906 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5908 PR tree-optimization/28411
5909 * double-int.c (double_int_div): Use double_int_divmod.
5910 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5911 double_int_mod, double_int_smod, double_int_umod): New functions.
5912 * double-int.h (double_int_divmod, double_int_sdivmod,
5913 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5915 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5917 (get_computation_aff, get_computation_cost_at): Handle double_int
5918 return type of constant_multiple_of.
5920 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5923 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5924 an implicit conversion.
5926 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5928 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5930 2006-08-27 Roger Sayle <roger@eyesopen.com>
5932 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5935 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5937 * config/i386/crtfastmath.c: Fix a comment typo.
5939 2006-08-26 Roger Sayle <roger@eyesopen.com>
5941 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5942 temporary visit flags on CASE_LABEL_EXPRs.
5943 * c-common.c (match_case_to_enum): Add function comment. Avoid
5944 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5945 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5946 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5947 a constant, only warn if that constant value isn't handled.
5949 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5952 * input.h (restore_input_file_stack): Declare.
5953 (INPUT_FILE_STACK_BITS): Define.
5954 * toplev.c (fs_p, input_file_stack_history,
5955 input_file_stack_restored, restore_input_file_stack): New.
5956 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5957 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5958 (pop_srcloc): Don't free old state of stack.
5960 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5963 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5964 (PowerPC Type Attributes): New.
5966 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5968 * config/xtensa/xtensa.c (function_arg_boundary): New.
5969 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5971 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5972 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5974 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5977 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5980 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5982 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5983 (verify_local_live_at_start): Likewise.
5985 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5988 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5989 omp_add_variable): Treat sizes as variable whenever not
5992 2006-08-26 Richard Guenther <rguenther@suse.de>
5995 * fold-const.c (fold_binary): Fold temporary to correct
5996 type before constructing new comparison.
5998 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
6001 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
6002 variable again if DECL_SEEN_IN_BIND_EXPR_P.
6004 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6007 * c-decl.c (start_function): Don't try to process prototype
6008 information from old declaration that isn't a function.
6010 2006-08-25 Jan Hubicka <jh@suse.cz>
6013 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
6015 2006-08-25 Alan Modra <amodra@bigpond.net.au>
6018 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
6021 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
6023 PR tree-optimization/16876
6024 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
6025 exit if PARM doesn't match VALUE.
6027 2006-08-25 Bob Wilson <bob.wilson@acm.org>
6029 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
6030 literal_prefix directive.
6031 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
6032 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6033 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6035 2006-08-25 David Edelsohn <edelsohn@gnu.org>
6038 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
6039 predicate to general_operand. Add 0->y and I->r alternatives.
6041 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
6043 * doc/tm.texi: Fix a typo.
6044 * predict.c: Fix comment typos.
6046 2006-08-25 Nick Clifton <nickc@redhat.com>
6048 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
6049 assertions of "cpu" and "machine".
6051 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
6054 * tree-ssa-operands.c (access_can_touch_variable): Don't say
6055 the access through a base which has an alias set of 0 cannot
6058 2006-08-24 Bill Wendling <wendling@apple.com>
6060 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
6062 2006-08-24 Jan Hubicka <jh@suse.cz>
6064 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
6066 2006-08-24 Jan Hubicka <jh@suse.cz>
6069 * cgraph.c: Fix comments.
6070 (cgraph_varpool_mark_needed_node): Mark only variables not already
6072 * cgraphunit.c: Update comments; include gt-cgraphunit.h
6073 (cgraph_varpool_assembled_nodes_queue): New static variable.
6074 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
6075 (cgraph_varpool_output_debug_info): New function.
6076 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
6077 * Makefile.in: Add gt-cgraphunit.h
6079 2006-08-24 Jan Hubicka <jh@suse.cz>
6081 * predict.c (probability_reliable_p): New predicate.
6082 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
6083 (predict_loops): Do not predict loop exit with less than 2%
6085 * basic-block.h (edge_probability_reliable_p,
6086 br_prob_note_reliable_p): Declare.
6087 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6088 prediction when static predictor is not reliable.
6089 * rs6000.c (output_cbranch): Likewise.
6091 2006-08-23 Stuart Hastings <stuart@apple.com>
6094 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6095 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6097 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6100 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6101 complex values, nor for generic vector values.
6103 2006-08-22 Richard Guenther <rguenther@suse.de>
6106 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6107 parameter. Convert arguments to arithmetic expression to the
6109 (analyze_scalar_evolution_1): Adjust caller.
6111 2006-08-22 Jan Hubicka <jh@suse.cz>
6113 Patch by Paolo Bonzini
6114 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6117 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6119 PR tree-optimization/28003
6120 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6121 before grouping aliases.
6123 2006-08-22 Roger Sayle <roger@eyesopen.com>
6125 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6126 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6128 2006-08-21 Jason Merrill <jason@redhat.com>
6131 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6132 wrapper. Loop to handle nested wrappers.
6133 (gimplify_bind_expr): Remove temp parameter.
6134 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6135 and STATEMENT_LIST on the rhs.
6136 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6137 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6138 (gimplify_target_expr): Remove special BIND_EXPR handling.
6140 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6142 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6145 2006-08-21 Olivier Hainque <hainque@adacore.com>
6147 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6148 Arrange for the temporary captures of components overlapping the lhs
6149 to happen before the lhs is possibly cleared.
6151 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6153 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6154 necessary places to pass the correct "number of registers" values
6157 2006-08-20 Jan Hubicka <jh@suse.cz>
6159 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6160 (create_name_tags): Instead of quadratic checking use hashtable.
6161 * bitmap.h: Include hashtab.h.
6162 (bitmap_hash): Declare.
6163 * bitmap.c (bitmap_hash): New function.
6165 2006-08-20 Jan Hubicka <jh@suse.cz>
6167 PR rtl-optimization/28071
6168 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6170 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6171 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6172 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6173 cgraph_decide_inlining_incrementally): Update use of
6174 cgraph_check_inline_limits.
6175 * cgraph.c (edge_hash, edge_eq): New function.
6176 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6177 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6178 cgraph_remove_node): Maintain call site hash.
6179 * cgraph.h (struct cgraph_node): Add call_site_hash.
6180 (cgraph_set_call_stmt): New function.
6182 2006-08-20 Jan Hubicka <jh@suse.cz>
6184 PR rtl-optimization/28071
6185 * reload1.c (reg_has_output_reload): Turn into regset.
6186 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6187 choose_reload_regs, emit_reload_insns): Update to new
6188 reg_has_output_reload.
6190 2006-08-20 Jan Hubicka <jh@suse.cz>
6193 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6194 function body sizes.
6195 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6197 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6200 * tree.c (handle_dll_attribute): Return early if not a
6201 var or function decl.
6203 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6206 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6207 alignment of SPE vector types.
6209 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6211 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6213 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6216 * cgraph.h (struct cgraph_node): Remove externally_visible
6218 * cgraphunit.c (process_function_and_variable_attributes): Set
6219 local.externally_visible rather than externally_visible.
6222 * c-common.c (handle_externally_visible_attribute): First look
6223 at TREE_CODE and only if it is function or var decl, check for
6224 non-public objects. Don't warn for DECL_EXTERNAL.
6225 * cgraphunit.c (process_function_and_variable_attributes): Warn
6226 if externally_visible attribute is used on non-public object.
6228 2006-08-17 Jan Hubicka <jh@suse.cz>
6230 PR tree-optimization/27865
6231 * reload1.c (forget_marked_reloads): New function.
6232 (forget_old_reloads_1): When data are passed, just mark the registers
6234 (reload_as_needed): Use the new mechanizm.
6236 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6239 * reload.h (reg_equiv_alt_mem_list): New declaration.
6240 * reload1.c (reg_equiv_alt_mem_list): New definition.
6241 (reload): Initialize it and release it.
6242 (delete_output_reload): Use it.
6243 * reload.c (push_reg_equiv_alt_mem): New function.
6244 (find_reloads_toplev): Call it.
6245 (find_reloads_address, find_reloads_address_1): Likewise.
6246 (find_reloads_subreg_address): Likewise.
6248 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6250 PR rtl-optimization/28489
6251 * sched-ebb.c (begin_schedule_ready): Create basic block
6253 (advance_target_bb): Skip empty blocks.
6254 * haifa-sched.c (bb_note): Make global.
6255 * sched-int.h (bb_note): Add prototype.
6257 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6259 PR tree-optimization/27865
6260 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6262 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6263 fold_used_pointer, pointer_used_p): New functions.
6264 (analyze_scalar_evolution_1): Use fold_used_pointer.
6265 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6266 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6269 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6272 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6273 or the INTEGER_CST. Fail on a CALL_EXPR.
6274 (fold_offsetof): Pass new argument to fold_offsetof_1.
6275 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6276 operand into an INDIRECT_REF.
6277 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6279 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6281 PR gcov/profile/26570
6282 * value-prof.c (static_values): Removed.
6283 (tree_find_values_to_profile): Do not set static_values.
6284 (find_values_to_profile): Do not free static_values.
6285 * profile.c (instrument_values): Do not free the values.
6286 (branch_prob): Free the values.
6288 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6290 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6292 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6295 * c-typeck.c (build_component_ref): Combine qualifiers of
6296 structure or union and field.
6298 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6300 PR rtl-optimization/28071
6301 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6302 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6303 * tree-into-ssa.c (struct dom_dfsnum): New.
6304 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6306 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6307 compute_global_livein.
6308 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6309 in phi nodes in the correct blocks.
6311 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6313 PR tree-optimization/28364
6314 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6316 (fold_affine_expr): New function.
6317 (may_eliminate_iv): Use fold_affine_expr.
6319 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6322 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6325 2006-08-16 Mike Stump <mrs@apple.com>
6327 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6328 * doc/cppopts.texi (-MD): Likewise.
6330 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6333 * c-common.c (handle_weak_attribute): Ignore and warn if
6334 not a FUNCTION_ or VAR_DECL.
6336 2006-07-15 Mike Stump <mrs@apple.com>
6339 * c-parser.c (c_parser_typeof_specifier): Don't use
6340 c_finish_expr_stmt, open code desired semantics instead.
6342 2006-08-15 Nick Clifton <nickc@redhat.com>
6344 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6345 fragment to tmake_file only if threads are enabled.
6346 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6347 * config/i386/t-gthr-win32: New file. ... here.
6349 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6352 * c-parser.c (c_parser_compound_statement_nostart): Reset
6353 parser->error after each statement.
6355 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6358 * omp-low.c (lower_omp_parallel): Convert t to
6359 receiver_decl's type.
6360 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6361 source before comparison.
6364 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6365 to itype in assignment to oldival2.
6367 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6371 * c-typeck.c (build_compound_expr): If the second expression
6372 is an error mark, then just return an error mark instead of
6373 creating a COMPOUND_EXPR.
6375 2006-07-14 Mike Stump <mrs@apple.com>
6377 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6379 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6381 * c-decl.c, var-tracking.c: Fix comment typos.
6383 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6385 PR rtl-optimization/28634
6386 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6387 for floating-point modes unless flag_unsafe_math_optimizations.
6389 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6390 Andrew Pinski <pinskia@physics.uc.edu>
6393 * tree.c (build_array_type): Unify array types with
6394 unspecified index_type.
6395 * c-decl.c (grokdeclarator): Make sure we do not modify a
6396 unified incomplete array type.
6397 * c-typeck.c (store_init_value): Create distinct type before
6398 filling in the index type in an initializer from a compound
6401 * c-decl.c (grokdeclarator): Remove code where we copy the
6404 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6406 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6407 into account for TODO_dump_cgraph.
6408 (TODO_update_ssa_no_phi): Likewise.
6409 (TODO_update_ssa_full_phi): Likewise.
6410 (TODO_update_ssa_only_virtuals): Likewise.
6411 (TODO_remove_unused_locals): Likewise.
6412 (TODO_set_props): Likewise.
6413 (TODO_update_stmt_usage): Likewise.
6415 2006-08-13 Dirk Mueller <dmueller@suse.de>
6417 * c-common.c (strict_aliasing_warning): Fix formatting.
6419 2006-08-13 Matthias Klose <doko@debian.org>
6421 * doc/invoke.texi: Fix spelling errors.
6423 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6425 PR rtl-optimization/23454
6426 * reorg.c (relax_delay_slots): Update comment.
6428 2006-08-11 Richard Guenther <rguenther@suse.de>
6431 * simplify-rtx.c (simplify_const_relational_operation):
6432 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6435 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6437 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6438 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6440 2006-08-10 Paul Brook <paul@codesourcery.com>
6442 * final.c (final_scan_insn): Clear current_insn_predicate before
6443 outputting inline asm.
6445 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6447 PR tree-optimization/26197
6448 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6449 get_ref_base_and_extent and overlap_subvar to add only relevant
6450 subvars as may-aliases.
6451 (add_may_alias_for_new_tag): New function, factored out of
6453 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6454 with additional argument.
6455 * tree-flow.h (new_type_alias): Takes additional argument.
6457 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6459 * gcov.c (no_data_file): New flag.
6460 (read_count_file): Set it if data file not present. Assume counts
6462 (output_lines): Don't name the data file, if there wasn't one.
6464 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6466 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6467 (rs6000_generate_compare): Tweak comments.
6468 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6470 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6472 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6473 (var_debug_decl): New function.
6474 (var_reg_set): Follow debug decl link. Add location even if
6475 reg is already known to hold some other variable.
6476 (var_mem_set): Follow debug decl link.
6477 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6478 decl link. Delete other known locations of the variable part
6480 (var_reg_delete, var_mem_delete): Delete other known locations
6481 of the variable part if requested.
6482 (same_variable_part_p): New function.
6483 (add_stores): Select MO_COPY when appropriate.
6484 (vt_initialize): Handle it.
6485 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6486 known locations for MO_SET and MO_CLOBBER.
6487 (find_variable_location_part): New function.
6488 (set_variable_part, delete_variable_part): Use it.
6489 (clobber_variable_part): New function.
6490 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6493 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6495 PR tree-optimization/26969
6496 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6497 with an empty list of PHIs.
6499 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6503 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6506 2006-08-06 Andreas Schwab <schwab@suse.de>
6508 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6509 string. Whitespace and comment fixup.
6511 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6514 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6518 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6521 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6523 2006-08-04 Jan Hubicka <jh@suse.cz>
6527 * reload.c (push_reload): Patch out the mismatching instruction;
6529 (find_reload): Bail out if the instruction was patched out.
6531 2006-08-04 Jan Hubicka <jh@suse.cz>
6533 PR tree-optimization/24888
6534 * tree-inline.c (expand_call_inline): Do not re-record variables.
6535 (declare_inline_vars): Add variable to unexpanded_var_list.
6537 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6538 Roger Sayle <roger@eyesopen.com>
6540 PR rtl-optimization/26244
6541 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6542 inner_const are negative or greater than or equal to the bitsize of
6543 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6544 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6545 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6546 CONST0_RTX (mode) when the new shift count is greater than or equal to
6547 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6550 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6552 * tree-cfg.c: Fix a comment typo.
6554 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6557 * varasm.c (output_constant): Give the front end another chance to
6558 expand constants, after stripping NOPs.
6560 2006-08-03 Jan Hubicka <jh@suse.cz>
6562 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6565 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6567 PR tree-optimization/27770
6568 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6569 declaration removed (moved to tree-flow.h).
6570 (vect_can_force_dr_alignment_p): Likewise.
6571 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6572 (moved from tree-vectorizer.h).
6573 (vect_can_force_dr_alignment_p): Likewise.
6574 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6575 from outside the vectorizer - in particular from cgraph stage.
6576 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6577 the alignment of global arrays when -fsection-anchors is enabled.
6578 * cgraphunit.c (cgraph_increase_alignment): New function.
6579 (cgraph_optimize): Call cgraph_increase_alignment.
6581 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6584 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6585 not reload a SPE symbol_ref into a lo_sum address.
6587 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6590 * dwarf2out.c (prune_unused_types_prune): Move call to
6591 prune_unused_types_update_strings to cover the parent DIE also.
6593 2006-08-02 Jan Hubicka <jh@suse.cz>
6595 PR gcov/profile/28480
6596 * tree-cfg.c (change_bb_for_stmt): New function.
6597 (tree_merge_blocks, tree_split_blocks): Use it.
6599 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6605 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6606 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6607 (cgraph_optimize): Likewise.
6609 2006-08-01 Stuart Hastings <stuart@apple.com>
6611 * rtl.h (UINTVAL) New.
6612 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6613 * testsuite/gcc.dg/20060801-1.c: New.
6615 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6618 * c-typeck.c (build_external_type): Mark used enum types.
6619 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6621 (gen_subprogram_die): Whitespace fix.
6623 2006-08-01 Jan Hubicka <jh@suse.cz>
6625 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6626 bitmap when not needed.
6627 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6630 2006-08-01 Dirk Mueller <dmueller@suse.de>
6632 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6634 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6636 * Makefile.in: Revert part of previous patch:
6637 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6640 2006-07-30 Eric Christopher <echristo@apple.com>
6643 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6644 (PowerPC Variable Attributes): New section.
6646 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6648 PR target/28126 (partial fix)
6649 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6651 2006-07-28 Jan Hubicka <jh@suse.cz>
6653 PR rtl-optimization/28071
6654 * cfgrtl.c (rtl_delete_block): Free regsets.
6655 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6657 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6659 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6660 and variables used in dependencies.
6662 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6664 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6665 %fs for -mcmodel=kernel.
6666 (stack_tls_protect_test_di): Likewise.
6668 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6670 * Makefile.in: Use mkinstalldirs.
6672 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6675 * opts-common.c (prune_options): Skip joined switches.
6677 2006-07-27 Jan Hubicka <jh@suse.cz>
6679 PR rtl-optimization/28071
6680 * cselib.c (cselib_process_insn): Don't remove useless values too
6681 often for very large hashtables.
6683 2006-07-27 Jan Hubicka <jh@suse.cz>
6685 PR rtl-optimization/28071
6686 * global.c (greg_obstack): New obstack.
6687 (allocate_bb_info): Use it.
6688 (free_bb_info): Likewise.
6689 (modify_reg_pav): Likewise.
6691 2006-07-27 Roger Sayle <roger@eyesopen.com>
6693 * builtins.c (fold_fixed_mathfn): When long and long long are the
6694 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6695 functions to their lceil*, lfloor*, lround* and lrint* forms.
6697 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6700 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6702 (rev_branch_insn): Likewise.
6704 2006-07-27 Jan Hubicka <jh@suse.cz>
6706 PR rtl-optimization/28071
6707 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6708 (reg_set_in_bb, max_reg_computed): New static variables.
6709 (regmove_optimize): Free the new array.
6710 (fixup_match_1): Update call of reg_is_remote_constant_p.
6712 2006-07-26 Jan Hubicka <jh@suse.cz>
6714 PR tree-optimization/27882
6715 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6717 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6719 (cgraph_analyze_compilation_unit): Likewise.
6720 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6721 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6722 (cgraph_early_inlinine): Make order garbage collected.
6723 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6725 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6727 * dbxout.c (output_types_sort): Add a comment.
6728 (output_used_types): Free the VEC.
6730 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6732 * function.c (reorder_fix_fragments): Delete.
6733 (reorder_blocks): Don't call it.
6734 (reorder_blocks_1): Put all subblocks under the origin block.
6736 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6738 PR rtl-optimization/27907
6739 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6742 2006-07-25 Roger Sayle <roger@eyesopen.com>
6745 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6746 bar(x) check that bar's result type can represent all the values of T.
6748 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6750 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6752 2006-07-25 Nick Clifton <nickc@redhat.com>
6754 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6755 size_lookup[] array.
6756 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6757 (ggc_pch_count_object): Likewise.
6758 (ggc_pch_alloc_object): Likewise.
6759 (ggc_pch_write_object): Likewise.
6760 (init_ggc): Do not attempt to initialize entries in the
6761 size_lookup[] array for objects whose size is greater than than
6762 the length of the array.
6764 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6766 * dbxout.c (output_used_types_helper): Push queued types
6768 (output_types_sort): New.
6769 (output_used_types): Collect used types on a VEC and sort them
6772 2006-07-24 Richard Guenther <rguenther@suse.de>
6775 * cgraph.c (cgraph_remove_node): Do not check if dumps
6777 * cgraphunit.c (cgraph_optimize): Likewise.
6779 2006-07-24 Jan Hubicka <jh@suse.cz>
6781 PR rtl-optimization/28071
6782 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6783 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6784 splitting before first stmt.
6786 2006-07-24 Jan Hubicka <jh@suse.cz>
6788 PR rtl-optimization/28071
6789 * ipa-inline.c (update_caller_keys): Remove edges that
6790 are no longer inline candidates.
6792 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6795 * dbxout.c (output_used_types_helper, output_used_types): New.
6796 (dbxout_symbol): Call output_used_types.
6798 2006-07-23 Jan Hubicka <jh@suse.cz>
6802 * cgraph.c (cgraph_varpool_nodes): Export.
6803 (decide_is_variable_needed): Ignored "used" attribute in
6804 unit-at-a-time mode.
6805 * cgraph.h (cgraph_varpool_nodes): Declare.
6806 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6807 unit-at-a-time mode.
6809 2006-07-23 Roger Sayle <roger@eyesopen.com>
6812 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6813 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6814 the __gthrw form of thr_keycreate.
6815 (__gthread_key_delete): Silence the unused argument warning.
6817 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6820 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6821 Cache the last found '\0' marker to avoid quadratic behavior.
6823 2006-07-23 Jan Hubicka <jh@suse.cz>
6825 * i386.md (subsi_3_zext): Fix output template.
6827 2006-07-21 Mike Stump <mrs@apple.com>
6829 * doc/invoke.texi (C++ Dialect Options): Note that
6830 -fvisibility-inlines-hidden doesn't affect explicitly
6831 instantiationed inline methods.
6833 2006-07-20 Roger Sayle <roger@eyesopen.com>
6835 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6836 if the target assembler is GNU binutils' gas.
6837 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6838 whether to pass GNU gas or native as command line options.
6840 2006-07-20 Jason Merrill <jason@redhat.com>
6842 * tree.c (remove_attribute): New fn.
6843 * tree.h: Declare it.
6845 2006-07-20 Paul Brook <paul@codesourcery.com>
6848 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6849 they are invalidated by this instruction.
6851 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6854 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6856 2006-07-20 Eric Christopher <echristo@apple.com>
6859 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6861 2006-07-19 Eric Christopher <echristo@apple.com>
6863 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6864 Rewrite dependencies for libgcc_s.1.dylib.
6866 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6868 * except.c (duplicate_eh_regions_1): Clear next_peer.
6870 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6872 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6873 -mlongcall does not guarantee all calls will be long.
6874 * doc/extend.texi (long_call/short_call): Document that longcall
6875 does not guarantee a long call will be used.
6876 (longcall/shortcall): Likewise.
6878 2006-07-18 Roger Sayle <roger@eyesopen.com>
6881 * expmed.c (expand_shift): Additionally check that the shift_cost
6882 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6883 before implementing a LSHIFT_EXPR as a sequence of additions.
6884 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6885 middle-end that DImode shifts need to be synthesized by expand.
6887 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6890 * tree-ssa-operands.c (access_can_touch_variable): Update
6892 Return true if ALIAS is .GLOBAL_VAR.
6894 2006-07-18 David Daney <ddaney@avtrex.com>
6896 * gcc.c (display_help): Fix typo in help text.
6898 2006-07-18 Olivier Hainque <hainque@adacore.com>
6900 * tree.h (categorize_ctor_elements): Adjust prototype and add
6901 descriptive comment, both in accordance with the interface change
6903 * varasm.c (constructor_static_from_elts_p): New function.
6904 Whether a constructor node is a valid static constant initializer
6905 if all its elements are.
6906 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6907 * output.h: Declare it.
6908 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6909 is a valid constant initializer instead of computing the number of
6910 non-constant elements. Use constructor_static_from_elts_p for this
6911 purpose. Replace the head comment with an indication that this is a
6912 helper for categorize_ctor_elements.
6913 (categorize_ctor_elements): Same interface change as for the _1
6914 helper. Former head comment from this helper moved here, adjusted to
6915 account for the interface changes.
6916 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6917 (all_zeros_p): Likewise.
6918 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6919 static versions of the constructor from the categorize_ctor_elements
6920 return value instead of the formerly computed number of non-constant
6923 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6925 * configure: Regenerate.
6926 * Makefile.in (build_libsubdir): New configure substitution
6927 (build_libobjdir): New variable.
6928 (BUILD_LIBIBERTY): Use it.
6930 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6933 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6935 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6938 * c-common.c (handle_weakref_attribute): Ignore attribute in
6939 the same conditions the alias attribute is ignored.
6941 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6943 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6944 (dbxout_begin_prologue): Increment scope_labelno.
6946 2006-07-17 Richard Henderson <rth@redhat.com>
6949 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6952 2006-07-17 Roger Sayle <roger@eyesopen.com>
6953 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6955 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6956 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6957 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6958 functions such as sbrk, write, etc.. Add function prototypes.
6959 Convert function declarations from K&R to ISO C. Cast pointers
6960 to "long" and "unsigned long" instead of "int" and "unsigned int".
6961 Convert tokens following #endif into comments.
6963 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6965 * invoke.texi: Remove mention of f77; Reformat table for
6966 inline parameter options correctly; mention that -malign-double
6967 is default on x86-64 targets.
6969 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6971 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6972 (convert_affine_scev, chrec_convert_aggressive): Use
6973 avoid_arithmetics_in_type_p. Do not check for the subtypes
6976 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6979 * optabs.c (expand_doubleword_shift): Wrap the call to
6980 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6982 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6985 * optabs.c (expand_binop): Pass next_methods rather than methods
6986 to expand_doubleword_shift.
6988 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6991 * tree.h (dump_addr): Declare.
6992 * print-tree.c (dump_addr): New function.
6993 (print_node_brief, print_node): Use it.
6994 * print-rtl.c (print_rtx): Likewise.
6995 * common.opt (-fdump-noaddr): New option.
6996 * doc/invoke.texi (-fdump-noaddr): Document.
6997 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6998 (ve_info_hash): Likewise.
7000 2006-07-13 Andrew Haley <aph@redhat.com>
7002 PR tree-optimization/19505
7003 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
7004 edge leaving this block, make sure that the destination of this
7005 block has only one predecessor.
7007 2006-07-17 Richard Guenther <rguenther@suse.de>
7009 PR tree-optimization/28238
7010 * tree-inline.c (copy_bb): Check if we produced valid
7011 gimple copying and substituting a stmt. If not, gimplify
7014 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
7016 * optabs.c (maybe_encapsulate_block): New function extracted from...
7017 (emit_libcall_block): ...here. Invoke it on the block of insns to
7018 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
7019 (emit_no_conflict_block): Likewise.
7021 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7023 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
7025 2006-07-15 Roger Sayle <roger@eyesopen.com>
7027 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
7028 a new NOP_EXPR case of the switch statement.
7030 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
7033 * stor-layout.c (place_field): Take the bit field with
7034 an excessive size into account in the ms-bitfiled case.
7037 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
7038 the previous bit field.
7040 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
7043 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
7045 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7047 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
7048 signal frames correctly even when the signal was installed with
7051 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
7053 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
7054 (dbxout_function_end): Use local label LFBB. Remove hook
7056 (dbxout_source_line): Use local label LFBB.
7057 (dbxout_block): Likewise.
7058 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
7059 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
7060 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
7061 and DBX_OUTPUT_NFUN.
7063 2006-07-13 Janis Johnson <janis187@us.ibm.com>
7065 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
7067 2006-07-13 Jan Hubicka <jh@suse.cz>
7069 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
7071 * output.h (align_variable): Declare.
7072 * varasm.c (align_variable): Export.
7073 * value-prof.c (tree_value_profile_transformations): Recompute iterator
7074 when basic block changed.
7076 2006-07-13 Nick Clifton <nickc@redhat.com>
7078 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
7079 walking the LOG_LINKS chain.
7081 2006-07-12 Geoffrey Keating <geoffk@apple.com>
7083 * doc/invoke.texi (C++ Dialect Options): Explain difference
7084 between -fvisibility-inlines-hidden and setting hidden
7085 visibility explicitly.
7087 2006-07-12 Eric Christopher <echristo@apple.com>
7089 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7090 (stmp-lipo): Depend on libgcc.a.
7092 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7094 * tree.c: Fix a comment typo.
7096 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7098 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7100 (umulhisi3_r): Likewise.
7102 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7105 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7106 x < 19, vs wchar_t support.
7108 2006-07-12 Nick Clifton <nickc@redhat.com>
7110 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7111 instead of -isa=sh4.
7113 2006-07-12 Mike Stump <mrs@apple.com>
7115 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7117 2006-07-10 Eric Christopher <echristo@apple.com>
7119 * config/t-slibgcc-darwin: Rewrite.
7121 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7124 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7127 2006-07-08 Matthias Klose <doko@debian.org>
7129 * doc/sourcebuild.texi: Fix typo.
7131 2006-07-07 Mike Stump <mrs@apple.com>
7133 * toplev.c (process_options): Don't give -ffunction-sections may
7134 affect debugging warning for Mach-O.
7136 2006-07-07 James E Wilson <wilson@specifix.com>
7138 * config/mips/mips.md (cpu): Add sb1a.
7139 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7140 addition to sb1. Adjust comments to clarify SB-1A differences from
7142 (ir_sb1a_load): New. Modify bypasses to use it.
7143 (ir_sb1a_simple_alu): Likewise.
7144 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7145 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7146 (mips_issue_rate): Add PROCESSOR_SB1A.
7147 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7148 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7149 (TARGET_SB1): Add PROCESSOR_SB1A check.
7150 (TUNE_SB1): Likewise.
7152 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7153 * config/mips/mips.c (mips_store_data_bypass_p): New.
7154 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7155 store_data_bypass_p.
7157 2006-07-08 Paul Brook <paul@codesourcery.com>
7160 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7162 2006-07-07 Richard Guenther <rguenther@suse.de>
7165 * tree.h (build_one_cst): Declare.
7166 * tree.c (build_one_cst): New function.
7167 * tree-ssa-math-opts.c (get_constant_one): Remove.
7168 (insert_reciprocals): Use build_one_cst.
7169 * fold-const.c (fold_plusminus_mult): Likewise.
7171 2006-07-07 Roger Sayle <roger@eyesopen.com>
7173 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7174 * cfgloopanal.c (dump_graph): Likewise.
7175 * dojump.c (discard_pending_stack_adjust): Likewise.
7176 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7178 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7179 * function.c (finalize_block_changes): Likewise.
7180 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7181 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7182 * rtl.c (dump_rtx_statistics): Likewise.
7183 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7185 * varray.c (dump_varray_statistics): Likewise.
7186 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7187 decode_decimal64, encode_decimal128, decode_decimal128,
7188 decimal_real_to_decimal): Likewise.
7190 2006-07-07 Richard Guenther <rguenther@suse.de>
7192 PR tree-optimization/28187
7193 * tree-vrp.c (vrp_operand_equal_p): New function.
7194 (vrp_bitmap_equal_p): Likewise.
7195 (update_value_range): Use them to compare old and new
7198 2006-07-06 Roger Sayle <roger@eyesopen.com>
7200 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7201 a default case to switch statement to silence compiler warnings.
7203 2006-07-06 Roger Sayle <roger@eyesopen.com>
7206 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7207 the configured assembler supports the x87's ffreep mnemonic.
7208 * configure: Regenerate.
7209 * config.in: Regenerate.
7211 * config/i386/i386.c (output_387_ffreep): New function.
7212 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7213 (output_387_reg_move): Likewise.
7215 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7217 Port to hosts whose 'sort' and 'tail' implementations
7218 treat operands with leading '+' as file names, as POSIX
7219 has required since 2001. However, make sure the code still
7220 works on pre-POSIX hosts.
7221 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7222 which says you should use "tail -c +N" rather than "tail +Nc".
7223 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7225 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7227 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7230 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7233 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7234 PRE_{INC,DEC} of TFmode.
7236 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7237 Alan Modra <amodra@bigpond.net.au>
7240 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7243 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7246 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7247 Remove duplicate gtu.
7249 2006-07-05 Jason Merrill <jason@redhat.com>
7253 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7254 * c-common.c (handle_packed_attribute): So don't copy it here.
7255 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7257 2006-07-05 Mike Stump <mrs@apple.com>
7259 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7261 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7264 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7266 2006-07-05 Richard Guenther <rguenther@suse.de>
7269 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7270 TARGET_SSE2 targets if using SSE math.
7271 (*absdf2_1): Likewise.
7273 2006-07-05 Richard Guenther <rguenther@suse.de>
7275 PR tree-optimization/28162
7276 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7277 make sure to convert the operands to the correct type.
7279 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7281 PR tree-optimization/28218
7283 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7284 to calculate and free the dominator information.
7286 2006-07-04 Peter O'Gorman <peter@pogma.com>
7288 * mklibgcc.in: chmod 644 before ranlib during install.
7290 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7291 J"orn Rennecke <joern.rennecke@st.com>
7293 * configure.ac (.eh_frame data check): Use diff -b.
7295 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7298 * Makefile.in (BUILD_RTL): Add build/vec.o.
7299 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7300 (build/genextract): Delete.
7301 (build/genautomata): Likewise.
7303 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7306 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7307 128-bit IBM long doubles for ABI_V4.
7309 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7311 * tree.c (range_in_array_bounds_p): New predicate.
7312 * tree.h (range_in_array_bounds_p): Declare it.
7313 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7314 return a less conservative answer.
7315 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7316 and flag 'is_group'.
7317 (IS_ELEMENT_FOR_GROUP): New macro.
7318 (FOR_EACH_ACTUAL_CHILD): Likewise.
7319 (next_child_for_group): New helper function.
7320 (can_completely_scalarize_p): Take into account groups.
7321 (sra_hash_tree): Handle RANGE_EXPR.
7322 (sra_elt_eq): Likewise.
7323 (lookup_element): Be prepared for handling groups.
7324 (is_valid_const_index): Delete.
7325 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7326 instead of is_valid_const_index.
7327 <ARRAY_RANGE_REF>: New case.
7328 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7329 is_valid_const_index.
7330 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7331 (scan_dump): Dump info for groups too.
7332 (decide_instantiation_1): Likewise.
7333 (decide_block_copy): Assert that the element is not a group.
7334 Propagate decision to groups.
7335 (generate_one_element_ref): Handle RANGE_EXPR.
7336 (mark_no_warning): Iterate over actual childs.
7337 (generate_copy_inout): Likewise.
7338 (generate_element_copy): Likewise.
7339 (generate_element_zero): Likewise.
7340 (generate_element_init_1): Likewise.
7341 (dump_sra_elt_name): Handle RANGE_EXPR.
7343 2006-07-03 Roger Sayle <roger@eyesopen.com>
7345 PR tree-optimization/26251
7346 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7347 (thread_block): When optimizing for size refuse to thread jumps
7348 that would require duplication of blocks other than redirection
7351 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7353 * configure.ac: Fix thinko in previous check-in.
7354 * configure: Regenerate.
7356 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7359 * configure.ac (for lang...): Simplify nesting of conditionals.
7360 Test subdir_requires for non-enabled languages. Move processing
7361 of lang_opt_files and lang_tree_fiels below that test.
7362 * configure: Regenerate.
7363 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7365 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7367 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7369 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7371 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7374 2006-06-29 Jason Merrill <jason@redhat.com>
7381 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7382 * c-common.c (c_determine_visibility): Handle it here.
7383 * c-decl.c (finish_decl): Call c_determine_visibility for
7385 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7387 * varasm.c (default_assemble_visibility): Likewise.
7388 * c-common.c (handle_visibility_attribute): Complain about trying
7389 to give visibility to an already defined class, or trying to change
7390 declared visibility. Always attach the attribute.
7395 * attribs.c (decl_attributes): Ignore type-in-place attributes
7396 once the type has been defined.
7398 2006-06-29 Roger Sayle <roger@eyesopen.com>
7401 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7402 to indicate the cpplib has issued an error message for us.
7404 2006-06-29 Asher Langton <langton2@llnl.gov>
7407 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7408 insert a label at the end of an function under Mach-O.
7410 2006-06-29 Eric Christopher <echristo@apple.com>
7411 Evan Cheng <evan.cheng@apple.com>
7413 * predicates.md (vector_all_ones_operand): New.
7414 (nonimmediate_or_sse_const_operand): Ditto.
7415 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7416 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7417 (standard_sse_mode_p): Ditto.
7418 (standard_sse_constant_p): Add case for -1 vector.
7419 (ix86_expand_vector_move): Try to use.
7420 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7421 Call standard_sse_constant_opcode.
7422 (*movv4sf_internal): Ditto.
7423 (*movv2df_internal): Ditto.
7425 2006-06-29 Roger Sayle <roger@eyesopen.com>
7427 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7428 of XEXP to extract the operands of a MATCH_CODE rtx.
7430 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7432 * tree.c (tree_size): Do not waste tail padding in
7433 struct tree_string and make the size be the same as
7434 build_string will generate.
7436 2006-06-28 Jason Merrill <jason@redhat.com>
7439 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7440 may_aliases already in the tag's annotations to the bitmap.
7442 2006-06-28 Roger Sayle <roger@eyesopen.com>
7444 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7446 2006-06-28 Roger Sayle <roger@eyesopen.com>
7448 * genpreds.c (generate_switch_p): New function.
7449 (add_mode_tests): Push the new mode test down inside an AND expr
7450 if this allows the switch-suitable MATCH_CODE to be near the root.
7451 (write_match_code_switch): New function to write a MATCH_CODE as
7453 (write_predicate_stmts): New function to write a predicate RTX
7454 expression as a sequence of statements.
7455 (write_one_predicate_function): Use write_predicate_stmts.
7456 (write_tm_constrs_h): Likewise.
7458 2006-06-26 Fred Fish <fnf@specifix.com>
7460 * config/mips/t-sb1: New file.
7461 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7464 2006-06-26 DJ Delorie <dj@redhat.com>
7466 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7468 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7469 Jayant Sonar <jayants@kpitcummins.com>
7470 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7472 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7473 (subsi3, subsi3_1, subsi3_2): New.
7474 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7475 * config/m32c/mov.md (SI mov peephole): New.
7476 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7477 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7479 2006-06-26 Olivier Hainque <hainque@adacore.com>
7481 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7482 a CALL_EXPR target function declaration.
7484 2006-06-26 Richard Guenther <rguenther@suse.de>
7486 * tree.c (build_string): Do not waste tail padding in
7489 2006-06-26 Richard Guenther <rguenther@suse.de>
7491 * ggc-page.c (init_ggc): Add missing element to size_lookup
7495 2006-06-23 Richard Guenther <rguenther@suse.de>
7497 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7498 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7499 alignment requests instead. Add verification code.
7500 Add struct tree_function_decl and struct tree_binfo size to
7501 extra_order_size_table. Add missing element to size_lookup
7504 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7507 * fold-const.c (const_binop): Be prepared for self returning zero.
7508 Simplify code handling complex values.
7510 2006-06-24 Olivier Hainque <hainque@adacore.com>
7512 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7513 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7516 2006-06-24 Olivier Hainque <hainque@adacore.com>
7518 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7519 ARRAY_REF, so have the callback called for the low bound expression.
7521 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7523 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7524 * c-typeck.c (c_common_type): Disallow operations on decimal float
7525 types and other float types.
7526 * convert.c (convert_to_real): Don't ignore conversions involving
7527 decimal float types.
7529 2006-06-23 Olivier Hainque <hainque@adacore.com>
7531 * tree.c (max_int_size_in_bytes): New function, inspired from
7532 code in function.c:assign_temp.
7533 * tree.h (max_int_size_in_bytes): Declare.
7534 * function.c (assign_temp): Use it.
7535 * gimplify.c (create_tmp_var): Relax the assertions on the type
7536 properties, not mandating constant size any more.
7537 (force_constant_size): New static function.
7538 (gimple_add_tmp_var): Use it, forcing variable size to a
7539 constant upper bound if it is not constant on entry.
7541 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7544 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7545 for initialization and setting of one_only flag to ...
7546 (i386_pe_encode_section_info): ...here.
7547 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7548 Recheck that the symbol has not been defined.
7550 2006-06-23 Richard Guenther <rguenther@suse.de>
7552 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7553 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7554 alignment requests instead. Add verification code.
7555 Add struct tree_function_decl and struct tree_binfo size to
7556 extra_order_size_table. Add missing element to size_lookup
7559 2006-06-22 Roger Sayle <roger@eyesopen.com>
7560 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7563 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7564 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7566 2006-06-23 Ben Elliston <bje@au.ibm.com>
7568 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7569 negate dn -- manipulate it directly.
7571 2006-06-22 Roger Sayle <roger@eyesopen.com>
7572 Steven Bosscher <stevenb.gcc@gmail.com>
7575 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7576 generated by gen_move_insn to add REG_LABEL notes if necessary.
7578 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7580 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7581 (leaf_entry): Remove use of MIN_ESA.
7583 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7585 PR rtl-optimization/28121
7586 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7589 2006-06-21 DJ Delorie <dj@redhat.com>
7591 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7593 (mulhisi3_r): Likewise.
7595 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7598 * coverage.c (coverage_counter_alloc): Leave the index type
7600 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7603 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7605 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7606 section from the "Options for Code Generation Conventions".
7608 2006-06-21 Richard Henderson <rth@redhat.com>
7612 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7614 (global_symbolic_operand): Allow weak symbols, even if local_p.
7616 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7618 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7619 (find_interesting_uses_address): Punt if above function returns true.
7621 2006-06-21 Richard Guenther <rguenther@suse.de>
7623 * configure: Regenerated.
7625 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7627 * config/mips/mips.c (function_arg): Where one part of a
7628 complex argument is in registers and the other part in the stack,
7629 return a REG not a PARALLEL.
7631 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7633 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7634 when cross-compiling. Do not substitute libstdcxx_incdir.
7635 * configure: Regenerated.
7637 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7639 * varasm.c (mergeable_string_section): Check for embedded NULs and
7640 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7641 rather than TREE_STRING_LENGTH bytes.
7643 2006-06-21 Richard Guenther <rguenther@suse.de>
7645 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7646 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7649 2006-06-21 Richrad Guenther <rguenther@suse.de>
7651 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7652 Limit iteration over the dominators.
7654 2006-06-20 Roger Sayle <roger@eyesopen.com>
7656 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7657 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7659 2006-06-20 Richard Guenther <rguenther@suse.de>
7660 Michael Matz <matz@suse.de>
7662 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7664 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7665 * et-forest.h (et_free_pools): Prototype new function.
7666 * et-forest.c (et_free_tree_force): Free parent occurrence.
7667 (et_free_pools): New function.
7668 * dominance.c (free_dominance_info): Free et-forest alloc
7671 2006-06-20 Roger Sayle <roger@eyesopen.com>
7673 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7674 integer modes, attempt to directly construct an integer constant.
7676 * fold-const.c (native_encode_vector): Determine the size of each
7677 element from the vector type instead of the first vector element.
7679 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7680 if all of its elements/components are constant.
7681 (build_constructor_from_list): Likewise.
7683 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7685 PR tree-optimization/27331
7686 * tree-data-ref.c (free_data_ref): New function.
7687 (create_data_ref): Fail if the data reference has unknown access
7689 (free_data_refs): Use free_data_ref.
7691 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7694 * tree-inline.c (setup_one_parameter): Strip useless
7695 type conversion before adding it to the IR.
7696 (declare_return_variable): Likewise.
7698 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7701 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7703 2006-06-19 Mike Stump <mrs@apple.com>
7705 * tree.c (variably_modified_type_p): VM arguments don't make the
7708 2006-06-19 Richard Guenther <rguenther@suse.de>
7710 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7711 type conversions after folding.
7713 2006-06-19 Richard Guenther <rguenther@suse.de>
7715 * ggc-page.c (extra_order_size_tab): Add entries with
7716 size of struct function and basic_block.
7717 (size_lookup): Extend to cover sizes up to 511.
7718 (ggc_alloc_stat): Adjust user.
7719 (ggc_pch_count_object): Likewise.
7720 (ggc_pch_alloc_object): Likewise.
7721 (ggc_pch_write_object): Likewise.
7723 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7725 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7726 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7729 2006-06-19 Denis Chertykov <denisc@overta.ru>
7731 * config/avr/libgcc.S : Correct my wrong previous commit.
7733 2006-06-19 Roger Sayle <roger@eyesopen.com>
7736 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7737 have stripped a SUBREG from the shift count, so we may need to
7738 convert_to_mode back to the type's mode before calling make_tree.
7739 Use new_amount instead of amount to avoid expanding a tree twice.
7741 2006-06-19 Richard Guenther <rguenther@suse.de>
7744 * fold-const.c (operand_equal_p): Check if the argument types
7745 have the same precision before stripping NOPs.
7747 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7749 Fix PR tree-optimization/27341
7750 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7752 * tree-complex.c (pass_lower_complex): Update SMT usage.
7754 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7756 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7757 Add a new alternative to the constraint strings. Add move of
7758 operand 1 to 3 to the splitter definition.
7759 ("doloop_si_long"): Second contraint alternative removed.
7761 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7763 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7764 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7766 (AVR_HAVE_MOVW) Define.
7767 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7768 (ASM_SPEC): Add avr25.
7769 (LINK_SPEC): Add avr25.
7770 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7771 (base_arch_s): Add new member 'have_movw_lpmx'.
7772 (avr_arch_types): Init 'have_movw_lpmx'.
7773 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7774 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7775 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7776 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7777 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7779 (avr_file_start): Do not output '.arh' derective.
7780 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7781 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7782 * config/avr/avr.md (mcu_enhanced): Delete.
7783 (mcu_have_movw): Define.
7784 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7785 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7786 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7787 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7788 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7789 attiny861 and at86rf401 devices.
7791 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7793 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7796 2006-06-17 Karl Berry <karl@gnu.org>
7798 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7799 doc/gccint.texi, doc/install.texi (@dircategory): Use
7800 "Software development" instead of "Programming", following
7801 the Free Software Directory.
7803 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7805 * config/i386/i386.c (legitimate_tls_address)
7806 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7807 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7808 (*tls_dynamic_gnu2_combine_64): Likewise.
7810 2006-06-16 Richard Guenther <rguenther@suse.de>
7813 * fold-const.c (negate_expr_p): Do not introduce undefined
7814 overflow in negating INTEGER_CSTs.
7815 (fold_negate_expr): Rename from negate_expr. Revert last
7816 change for folding BIT_NOT_EXPR. Change semantics to
7817 return NULL_TREE for non-simplified negations. Do not
7818 strip type conversions and unify type handling.
7819 (negate_expr): New function, wrap around fold_negate_expr
7820 but ensure building a tree always. Strip type conversions
7821 here, fold to result type.
7822 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7824 2006-06-16 Roger Sayle <roger@eyesopen.com>
7827 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7828 that (would) return their results in stack registers.
7830 2006-06-16 Michael Matz <matz@suse.de>
7831 Richard Guenther <rguenther@suse.de>
7833 * fold-const.c (fold_truthop): Only return new tree node if
7834 we canonicalized something.
7836 2006-06-16 Richard Guenther <rguenther@suse.de>
7838 * function.h (enum function_frequency): Move declaration
7839 out of struct function.
7840 (struct function): Move bool fields and the enum to the bitfield
7841 section. Reorder elements to avoid padding. Remove unused
7842 fields left over from the RTL inliner removal.
7843 * function.c (free_after_compilation): Do not zero removed fields.
7844 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7845 (ipa-type-escape.o): Likewise.
7847 2006-06-16 Richard Guenther <rguenther@suse.de>
7849 * cgraph.h (struct cgraph_local_info): Turn bool elements
7851 (struct cgraph_node): Likewise.
7852 (struct cgraph_varpool_node): Likewise.
7854 2006-06-15 Richard Guenther <rguenther@suse.de>
7856 * fold-const.c (fold_truth_not_expr): Rename from
7857 invert_truthvalue. Give it fold_* semantics to avoid
7859 (invert_truthvalue): New function. Wrapper around
7860 fold_truth_not_expr.
7861 (optimize_minmax_comparison): Avoid creating garbage.
7862 (fold_unary): Use fold_truth_not_expr for folding
7864 (fold_ternary): Replace uses of invert_truthvalue with
7865 fold_truth_not_expr where applicable.
7866 * tree.h (fold_truth_not_expr): Prototype.
7868 2006-06-16 Richard Guenther <rguenther@suse.de>
7870 PR tree-optimization/27781
7871 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7872 * ipa-pure-const.c (target.h): Include.
7873 (analyze_function): Do not analyze functions that do not
7876 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7879 * tree-dfa.c (referenced_vars_dup_list): Remove.
7880 (find_referenced_vars): Remove assert.
7881 (referenced_var_check_and_insert): Replace dup list with assert.
7882 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7883 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7885 2006-06-15 Richard Guenther <rguenther@suse.de>
7887 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7888 extra unused identifiers if not dumping.
7889 (create_variable_info_for): Likewise.
7891 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7893 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7894 (derive_constant_upper_bound): Derive more precise upper bound in
7895 common cases. Return type changed to double_int.
7896 (record_estimate): Reflect the changed return type of
7897 derive_constant_upper_bound.
7898 * double-int.c (double_int_zext, double_int_sext): Fix.
7900 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7902 * configure.ac (CFLAGS): Get them from the toplevel or from the
7903 configure invocation.
7904 * configure: Regenerate.
7905 * Makefile.in (CFLAGS): Substitute value provided by configure.
7907 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7910 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7911 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7912 rather than calling add_stmt on it.
7913 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7915 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7918 * reload1.c (reload): Remove registers returned by update_eliminables
7919 from used_spill_regs.
7921 2006-06-13 DJ Delorie <dj@redhat.com>
7923 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7925 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7927 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7928 html__strip_dir, html__mkdir_p. Enhance install-html target.
7929 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7930 * configure: Regenerate.
7932 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7934 * fold-const.c (fold_cond_expr_with_comparison): Check for
7935 Objective-C++ as language in deciding COND_EXPR transformation.
7937 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7940 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7941 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7942 * config/sh/lib1funcs.h (SL, SL1): Define.
7943 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7944 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7945 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7946 (OBJS_Os_4_200): New variable.
7947 ($(T)libgcc-Os-4-200.a): Use it.
7948 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7949 when dividing 1 and/or by 0.
7951 2006-06-13 Roger Sayle <roger@eyesopen.com>
7953 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7954 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7955 * configure: Regenerate.
7957 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7959 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7960 for real instruction.
7962 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7965 * haifa-sched.c (check_cfg): Handle special case.
7967 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7970 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7971 Add debug_info parameter. Chain the vars to the BLOCK instead
7972 of the BIND_EXPR if debug info are requested for them.
7973 (pop_gimplify_context): Adjust for above change.
7974 (gimple_add_tmp_var): Likewise.
7975 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7977 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7978 (convert_local_reference): Likewise.
7979 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7980 (finalize_nesting_tree_1): Request that debug info be emitted
7981 for debug_var_chain.
7983 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7985 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7986 for PR target/27863.
7988 2006-06-13 Richard Guenther <rguenther@suse.de>
7991 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7993 2006-06-13 Richard Guenther <rguenther@suse.de>
7995 PR tree-optimization/27830
7996 * tree-inline.c (copy_body_r): For copying the operand
7997 of an ADDR_EXPR make sure to fold &* afterwards.
7999 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
8001 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
8002 lvalues in the fb_none case with side-effects.
8004 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
8006 * tree-flow.h: Remove the prototype for
8007 compute_phi_arg_on_exit.
8008 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
8009 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
8012 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
8014 * builtins.c (expand_builtin_return_addr): Only use
8015 frame_pointer_rtx when count == 0 and we are expanding
8016 __builtin_return_address.
8018 2006-06-12 Fred Fish <fnf@specifix.com>
8020 * config/mips/mips.c (mips_file_start): Create special section
8021 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
8023 2006-06-11 Eric Christopher <echristo@apple.com>
8026 * stor-layout.c (place_field): Remove check for
8027 remaining_in_alignment when aligning at the end of a run.
8029 2006-06-11 Eric Christopher <echristo@apple.com>
8032 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
8035 2006-06-11 Roger Sayle <roger@eyesopen.com>
8038 Revert incorrect fix for PR target/27158
8039 2006-05-08 Roger Sayle <roger@eyesopen.com>
8040 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8041 of a reg_equiv_constant if the result is a legitimate constant.
8043 2006-06-11 Roger Sayle <roger@eyesopen.com>
8046 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
8047 extract a CONST_VECTOR element and interpret it as an integer.
8048 (vspltis_constant): Use const_vector_elt_as_int instead of the
8049 macro CONST_VECTOR_ELT in order to handle FP vector modes.
8050 * config/rs6000/predicates.md (easy_vector_const): Consider
8051 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
8053 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
8056 * stor-layout.c (update_alignment_for_field): Don't add extra
8057 alignment for packed non-bitfield fields in ms_bitfield_layout_p
8060 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
8062 * config/mips/t-rtems: Add EL/EB multilib variants.
8064 2006-06-09 Mike Stump <mrs@apple.com>
8066 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
8068 2006-06-09 David Daney <ddaney@avtrex.com>
8070 * doc/install.texi: Add binutils version recommendation for mips-*-*.
8072 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
8074 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
8076 2006-06-09 Richard Guenther <rguenther@suse.de>
8078 PR tree-optimization/26998
8079 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
8080 of signed types, only TYPE_MIN_VALUE is special, but for both,
8081 minimum and maximum value. Likewise VR_ANTI_RANGE is special
8082 in this case, as is -fwrapv.
8084 2006-06-08 Mike Stump <mrs@apple.com>
8087 * config/darwin.c (darwin_asm_output_anchor): Disable
8088 -fsection-anchors on darwin for now.
8089 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8090 * rs6000/rs6000.c (optimization_options): Likewise.
8092 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8095 * config/i386/i386.c (classify_argument): Skip fields with invalid
8098 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8100 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8101 (cse_insn): Likewise for the stack_pointer_rtx.
8103 2006-06-08 Roger Sayle <roger@eyesopen.com>
8105 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8106 conditions from floating point comparisons.
8108 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8111 * expmed.c (struct alg_hash_entry): Fix type of field T
8112 to match synth_mult argument.
8113 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8115 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8118 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8121 2006-06-08 Richard Guenther <rguenther@suse.de>
8124 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8125 only, if overflow is defined and not trapping.
8126 (negate_expr): Likewise.
8128 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8130 PR tree-optimization/27872
8131 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8132 flag on the new exit edge of the unrolled loop.
8134 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8136 PR rtl-optimization/26449
8137 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8139 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8142 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8143 referenced_variables with matching DECL_UID's.
8144 (find_referenced_vars): Make sure duplicate list is empty to start.
8145 (referenced_var_p): Remove.
8146 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8147 Check if var is in the list, and add if needed. Update the duplicate
8148 list if a different var is in the list with the same DECL_UID.
8149 (add_referenced_var): Call routine to check and insert.
8150 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8151 * tree-flow.h (referenced_vars_dup_list): External declaration.
8153 2006-06-07 Fred Fish <fnf@specifix.com>
8155 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8158 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8161 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8162 the imaginary and real parts of a clobbered register.
8163 Emit insn to set the imaginary part.
8165 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8167 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8168 in lieu of unwind-dw2-fde.c.
8170 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8172 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8174 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8177 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8178 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8179 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8180 V4SImode temporaries and operations instead.
8182 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8184 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8187 2006-06-06 Mike Stump <mrs@apple.com>
8189 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8190 installing during build.
8192 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8194 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8196 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8197 * config/ia64/ia64.c (params.h): New header.
8198 (ia64_optimization_options): New function to adjust parameters.
8199 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8200 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8201 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8203 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8205 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8207 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8210 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8212 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8213 Victor Kaplansky <victork@il.ibm.com>
8215 PR tree-optimization/26360
8216 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8219 2006-06-04 Roger Sayle <roger@eyesopen.com>
8220 Andrew Pinski <pinskia@physics.uc.edu>
8223 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8224 for LABEL_DECL before calling DECL_WEAK.
8227 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8228 LABEL_DECL and PARM_DECL.
8230 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8234 * c-decl.c (grokdeclarator): Disallow variably modified types at
8235 file scope. Avoid marking shared array type of constant size as
8238 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8241 * c-common.c (fold_offsetof_1): Handle static members.
8243 2006-06-04 Eric Christopher <echristo@apple.com>
8245 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8246 (debug_rli): Output value for remaining_in_alignment.
8247 (update_alignment_for_field): Unconditionalize
8248 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8249 extra alignment code.
8250 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8251 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8252 * tree.h (record_layout_info_s): Remove prev_packed.
8253 * doc/extend.texi (ms_struct): Add documentation of format.
8255 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8257 * tree.h: Declare folding_initializer.
8258 * builtins.c (fold_builtin_constant_p): Give definite answer
8259 if folding inside an initializer.
8260 * fold-const.c: Define folding_initializer.
8261 (START_FOLD_INIT): Save and then set folding_initializer.
8262 (END_FOLD_INIT): Restore folding_initializer.
8264 2006-06-04 Richard Guenther <rguenther@suse.de>
8266 PR tree-optimization/27039
8267 * fold-const.c (fold_comparison): Handle pointer comparison
8268 again for all comparison codes. Compare offsets in signed
8270 (fold_binary): Move code from here.
8272 2006-06-03 Roger Sayle <roger@eyesopen.com>
8275 * config/i386/i386.c (construct_container): Split static issued_error
8276 flag into issued_sse_arg_error, issued_sse_ret_error and
8277 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8278 requires the use of x87 registers and the user explicitly
8279 specified the -mno-80387 command line option.
8281 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8283 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8284 HAVE_DECL_SIGALTSTACK.
8286 (segv_handler): Use MC_FLD.
8287 * configure.ac: Check for a sigaltstack declaration.
8288 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8289 * configure: Regenerate.
8290 * config.in: Regenerate.
8292 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8295 * Makefile.in (stmp-fixinc): Fix typo.
8297 2006-06-02 Roger Sayle <roger@eyesopen.com>
8299 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8300 are type correct. Clean-up.
8301 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8302 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8304 2006-06-01 DJ Delorie <dj@redhat.com>
8306 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8307 shift, as we've disabled the "switch" insn that needs it.
8309 2006-06-01 Per Bothner <bothner@bothner.com>
8311 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8312 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8313 * c-ppoutput.c (cb_define): Don't increment line 0.
8315 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8317 * doc/invoke.texi: Add cpu_type power6.
8318 * config.gcc: Add cpu_type power6.
8319 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8320 to power5+ with Altivec.
8321 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8322 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8324 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8326 * config/avr/avr.h (SET_ASM_OP): Define.
8328 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8330 * config/bfin/bfin.c: Fix comment typos.
8332 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8335 * doc/install.texi: Document --enable-bootstrap and
8336 --disable-bootstrap.
8338 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8340 * doc/install.texi: Document that InfoZIP can replace jar.
8342 2006-05-31 Roger Sayle <roger@eyesopen.com>
8344 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8345 isn't available, directly generate the simpler x87 patterns without
8346 the (use (const_int 0)).
8347 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8348 implementation isn't available.
8349 (*negdf2_1): Likewise.
8350 (*negxf2_1): XF mode negation is always done using the x87.
8351 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8353 2006-05-31 Roger Sayle <roger@eyesopen.com>
8355 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8356 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8358 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8360 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8362 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8363 * config/bfin/bfin.c (basic-block.h): Include.
8364 (struct machine_function): New.
8365 (bfin_init_machine_status): New.
8366 (override_options): Initialize init_machine_status.
8367 (bfin_hardware_loop): New.
8368 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8369 (DEF_VEC_P (loop_info)): New.
8370 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8371 (struct loop_info): New.
8372 (loop_info): New typedef.
8373 (struct loop_work): New.
8374 (loop_work): New typedef.
8375 (DEF_VEC_O (loop_work)): New.
8376 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8377 (bfin_dump_loops): New.
8378 (bfin_bb_in_loop): New.
8379 (bfin_scan_loop): New.
8380 (bfin_optimize_loop): New.
8381 (bfin_reorg_loops): New.
8382 (bfin_reorg): Use bfin_reorg_loops.
8383 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8385 (I_REGNO_P): Simplify.
8386 (DP_REGNO_P, DPREG_P): New macros.
8387 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8388 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8389 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8390 Add LT_REGS, LC_REGS, LB_REGS.
8391 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8393 (REGNO_REG_CLASS): Deal with loop registers.
8394 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8396 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8397 New constants for loop registers.
8398 (UNSPEC_LSETUP_END): New.
8399 (seq_insns): New define_attr. Set it for appropriate insns.
8400 (movsi_insn): Add alternatives for move from/to
8401 loop count registers.
8402 (doloop_end): New define_expand.
8403 (loop_end): New define_insn.
8404 (define_split for bad doloop_end): New.
8405 (lsetup_with_autoinit): New define_insn.
8406 (lsetup_without_autoinit): New define_insn.
8407 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8408 * config/bfin/predicates.md (lc_register_operand): New.
8409 (lt_register_operand): New.
8410 (lb_register_operand): New.
8411 (nondp_register_operand): New.
8412 (nondp_reg_or_memory_operand): New.
8413 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8415 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8417 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8418 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8420 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8422 * Makefile.in (CATALOGS): Add po/ prefix.
8423 * configure: Regenerated.
8425 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8428 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8429 a shift operand before calling shift_op. Avoid redundant call of
8432 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8433 DJ Delorie <dj@redhat.com>
8435 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8436 we're inserting is a singlt-bit constant.
8438 2006-05-30 Roger Sayle <roger@eyesopen.com>
8440 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8441 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8443 2006-05-30 Roger Sayle <roger@eyesopen.com>
8445 PR tree-optimization/23452
8446 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8447 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8448 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8449 complex values and with -ffast-math for FP complex values.
8451 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8453 * c-common.h: Remove the prototype for yyparse.
8454 * rtl.h: Remove the prototype for init_loop.
8456 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8458 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8461 2006-05-30 Roger Sayle <roger@eyesopen.com>
8463 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8465 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8466 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8468 2006-05-30 Dirk Mueller <dmueller@suse.de>
8471 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8472 for CONSTANT_CLASS_P expresisons.
8474 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8477 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8479 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8481 PR tree-optimization/27779
8482 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8483 initial_condition instead of CHREC_LEFT.
8485 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8487 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8488 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8489 Make prototypes ISO C90.
8491 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8492 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8494 * see.c (see_analyze_one_def): Correct check.
8495 (see_get_extension_data): Check if extension is parallel.
8496 (see_get_extension_reg): Likewise.
8498 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8501 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8502 into register for (code == GTU).
8504 2006-05-29 Roger Sayle <roger@eyesopen.com>
8506 PR tree-optimization/24964
8507 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8508 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8509 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8510 abs(x)*abs(x) as x*x for scalar floating point modes.
8512 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8515 * lambda-code.c (perfect_nestify): Don't copy statements
8516 in the inner loop: move them to the inner loop header.
8518 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8521 * c-tree.texi: Document OpenMP directives and clauses.
8523 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8525 * varasm.c (globalize_decl): Fix indentation.
8527 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8530 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8531 pass_fre, pass_store_ccp, pass_copy_prop,
8532 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8533 pass_return_slot, pass_object_size, pass_lim,
8534 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8535 pass_loop_prefetch and pass_stdarg.
8537 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8539 * config/bfin/bfin.opt (mfdpic): New option.
8540 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8541 (EXTRA_MULTILIB_PARTS): Likewise.
8542 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8543 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8545 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8546 (CRT_CALL_STATIC_FUNCTION): New.
8547 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8549 (CRT_CALL_STATIC_FUNCTION): New.
8550 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8552 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8553 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8554 (initialize_trampoline): Changed to handle FD-PIC code generation.
8555 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8556 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8557 (override_options): Disallow -mid-shared-library -mfdpic combination.
8558 Can't do unaligned ops if FD-PIC.
8559 Turn off flag_pic if trying to generate non-id-shared-library
8560 non-fdpic code, since it's not supported.
8561 (bfin_assemble_integer): New function.
8562 (TARGET_ASM_INTEGER): Define.
8563 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8565 * config/bfin/crtn.s: Restore them.
8566 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8568 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8569 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8570 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8571 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8572 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8574 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8575 FDPIC_REGS and FDPIC_FPTR_REGS.
8576 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8577 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8578 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8579 (load_funcdescsi): New pattern.
8580 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8581 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8582 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8584 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8586 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8589 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8591 * tree-flow.h: Remove the prototype for add_type_alias.
8592 * tree-ssa-alias.c (add_type_alias): Remove.
8594 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8596 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8597 config/fr30/fr30.md, config/i386/i386-interix.h,
8598 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8599 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8600 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8601 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8602 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8603 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8604 Follow spelling conventions.
8605 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8606 Follow spelling conventions.
8608 2006-05-27 Richard Guenther <rguenther@suse.de>
8611 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8612 to produce a constant of value 1 of generic type.
8614 2006-05-27 Dirk Mueller <dmueller@suse.de>
8616 * cgraphunit.c (decide_is_function_needed): Fix wrong
8619 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8621 PR rtl-optimization/27661
8622 * reload.c (find_reloads): When reloading a VOIDmode constant
8623 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8624 use Pmode as mode of the reload register.
8626 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8628 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8629 is enabled at -O and above.
8631 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8634 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8637 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8640 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8641 for anonymous variables explicitly declared by front ends.
8643 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8645 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8646 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8647 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8648 ref-all pointers, run a finalization pass for them.
8649 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8650 (finalize_ref_all_pointers): New function.
8651 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8652 regular pointer type to a ref-all pointer type.
8653 (get_tmt_for): Return the special memory tag for ref-all pointers.
8655 2006-05-25 Richard Guenther <rguenther@suse.de>
8658 * fold-const.c (fold_binary): Do not look at the stripped
8659 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8661 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8663 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8664 for LT and GT if the computed range is effectively empty.
8666 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8669 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8670 mips_quad_format formats instead of ieee_single_format,
8671 ieee_double_format and ieee_quad_format formats, respectively.
8673 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8675 PR tree-optimization/27639
8676 PR tree-optimization/26719
8677 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8678 call to scev_probably_wraps_p.
8679 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8680 used_in_pointer_arithmetic_p, convert_step): Removed.
8681 (nowrap_type_p): New function.
8682 (scev_probably_wraps_p): Rewritten.
8683 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8684 chrec_convert if chrec_convert_aggressive might have been used.
8685 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8686 scev_direction): New functions.
8687 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8688 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8689 instead of convert_step.
8690 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8691 (convert_step): Declaration removed.
8692 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8694 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8696 * df-core.c: Added to header comments.
8697 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8698 df_ur_bb_info, df_urec_bb_info): Added comments.
8699 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8700 urec, ri problems): Fixed header comments.
8701 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8702 code from df_rd_transfer_function.
8704 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8706 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8707 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8708 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8710 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8712 * expr.c (undefined_operand_subword_p): New.
8713 (emit_move_multi_word): Do not generate move from undefined bits
8714 of a paradoxical subreg.
8716 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8718 PR rtl-optimization/27736
8719 * combine.c (replaced_rhs_value): New variable.
8720 (combine_instructions): Set it.
8721 (distribute_notes): When distributing a note in replaced_rhs_insn,
8722 check whether the value was used in replaced_rhs_value.
8724 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8727 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8728 add_referenced_var instead of add_referenced_tmp_var.
8729 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8730 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8732 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8733 tree_optimize_tail_calls_1): Use add_referenced_var.
8734 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8735 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8736 Use add_referenced_var.
8737 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8738 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8739 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8740 Use add_referenced_var.
8741 * tree-dfa.c (struct walk_state): Remove.
8742 (find_referenced_vars): Remove walk state and vars_found hash table.
8743 (make_rename_temp): Use add_referenced_var.
8744 (find_vars_r): Pass less parameters to add_referenced_var.
8745 (referenced_var_p): New. Is var in referenced_var hash table.
8746 (referenced_var_insert): Assert var isn't already in hash table.
8747 (add_referenced_var): Don't need walk_state parameter. Add var if it
8748 isn't already in the hash table.
8749 (add_referenced_tmp_var): Remove.
8750 (find_new_referenced_vars_1): Use add_referenced_var.
8751 * tree-ssa-pre.c (create_expression_by_pieces,
8752 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8753 Use add_referenced_var.
8754 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8755 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8756 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8758 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8759 vect_create_data_ref_ptr, vect_create_destination_var,
8760 vect_init_vector, vect_build_loop_niters,
8761 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8762 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8763 Use add_referenced_var.
8764 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8765 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8766 (add_referenced_var): Add prototype.
8767 * tree-ssa-structalias.c (get_constraint_for,
8768 intra_create_variable_infos): Use add_referenced_var.
8770 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8772 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8773 big-endian paradoxical subregs.
8774 * var-tracking.c (struct micro_operation_def): Document that,
8775 for modify micro operations, insn is the subsequent instruction.
8776 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8777 (var_reg_set, var_mem_set): ... new functions.
8778 (add_stores): Record subsequent insn.
8779 (compute_bb_dataflow): Use new functions for MO_USE.
8780 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8781 notes after the insn, and modify notes before the insn known
8782 to be the subsequent one.
8783 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8785 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8788 * config/i386/i386.c (ix86_expand_builtin): Use
8789 gen_sse3_monitor64 for TARGET_64BIT.
8791 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8793 PR rtl-optimization/26375
8794 PR rtl-optimization/26855
8795 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8797 (df_ru_bb_local_compute): Reversed statements and removed bogus
8798 comment explaining why they should be in wrong order.
8799 (df_ru_dump, df_rd_dump): Enhanced debug info.
8800 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8802 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8803 reaching uses and fixed space problem.
8805 2006-05-23 Jan Hubicka <jh@suse.cz>
8807 * cgraphunit.c (decide_is_function_needed): Also nested functions
8808 and functions declared inline can be optimized out at -O0.
8810 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8812 * doc/install.texi (Configuration): Remove reference to CrossGCC
8816 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8819 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8820 ix86_compare_emitted is non-NULL.
8822 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8825 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8828 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8830 PR rtl-optimization/25514
8831 * combine.c (replaced_rhs_insn): New variable.
8832 (combine_instructions): Set replaced_rhs_insn when trying to replace
8833 a SET_SRC with a REG_EQUAL note.
8834 (distribute_notes): Use replaced_rhs_insn when determining the live
8835 range of a REG_DEAD register.
8837 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8838 Anatoly Sokolov <aesok@post.ru>
8840 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8841 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8842 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8843 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8844 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8845 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8846 at90usb647, at90usb1286 and at90usb1287 devices.
8847 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8848 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8850 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8852 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8854 2006-05-22 Richard Guenther <rguenther@suse.de>
8857 2006-01-31 Richard Guenther <rguenther@suse.de>
8858 Paolo Bonzini <bonzini@gnu.org>
8860 * doc/install.texi (--disable-libgcc-math): Document.
8862 2006-05-22 Richard Guenther <rguenther@suse.de>
8865 2006-01-31 Richard Guenther <rguenther@suse.de>
8867 * doc/invoke.texi (-msselibm): Document.
8868 * target.h (expand_library_builtin): New target hook.
8869 * builtins.c (expand_builtin): Use expand_library_builtin.
8870 (default_expand_library_builtin): New function.
8871 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8872 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8873 (link_gcc_math_spec): Declare.
8874 (static_specs): Add link_gcc_math_spec.
8875 * expr.h (default_expand_library_builtin): Declare.
8876 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8877 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8878 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8879 * config/i386/i386.opt (msselibm): New target option.
8880 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8881 (ix86_init_sse_abi_builtins): New function.
8882 (ix86_expand_library_builtin): Likewise.
8883 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8884 (override_options): Handle error conditions wrt -msselibm.
8885 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8886 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8887 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8890 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8893 * c-common.c (self_promoting_args_p): Skip erroneous args.
8896 * c-decl.c (finish_struct): Skip erroneous fields.
8898 2006-05-22 Nick Clifton <nickc@redhat.com>
8900 * config/cris/cris.opt (march): Remove VarExists attribute.
8901 (max-stackframe=): Likewise.
8903 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8905 * doc/rtl.texi: Fix a typo.
8906 * see.c: Fix comment typos.
8908 * tree-ssa-structalias.h (alias_info): Remove num_references.
8910 2006-05-21 Mike Stump <mrs@apple.com>
8912 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8914 (darwin_pragma_options): Use BAD instead.
8915 (darwin_pragma_unused): Likewise.
8916 (darwin_pragma_ms_struct): Likewise.
8918 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8920 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8922 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8924 PR rtl-optimization/27671
8925 * simplify-rtx.c (simplify_relational_operation_1): Fix
8926 simplifications of (eq/ne (xor x y) y) and
8927 (eq/ne (xor x y) x).
8929 PR tree-optimization/26622.
8930 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8933 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8935 * tree-cfg.c: Prune whitespace.
8936 (debug_tree_cfg): Point to correct header containing the
8939 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8942 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8944 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8947 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8948 or sorry count is non zero.
8950 2006-05-20 Andreas Schwab <schwab@suse.de>
8952 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8954 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8955 Kenneth Zadeck <zadeck@naturalbridge.com>
8957 PR rtl-optimization/26855
8959 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8961 (df_scan_alloc): Added code to properly handle multiword hard
8962 registers and add all_blocks parameter.
8963 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8964 code to properly handle multiword hard registers.
8965 (df_rescan_blocks): Added code to remove deleted blocks from
8967 (df_ref_create_structure, df_ref_record): Added code to properly
8969 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8970 and set DF_REF_PARTIAL.
8971 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8972 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8973 (df_scan_add_problem): Added flags parameter.
8974 (df_ref_create_structure): Changed switching structure.
8975 (df_bb_refs_record): Fixed case where duplicate artificial refs
8976 were created. Changed location of flags.
8977 (df_record_entry_block_defs): Added code to make stack pointer
8978 live in entry block. Refined cases where frame pointer is needed.
8979 Changed location of flags.
8980 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8981 (df_set_state): Removed function.
8982 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8983 df_insn_create_insn_record, df_insn_refs_delete,
8984 df_ref_create_structure): Formatting changes.
8985 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8986 df_delete_basic_block): New function.
8987 (df_init): Changed location of flags.
8988 (df_add_problem): Added flags parameter and the way flags are
8990 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8991 debug_df_chain): Improved debugging output.
8992 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8993 (df_refs_chain_dump): Removed df parameter.
8994 (df_iterative_dataflow): Added consistency check.
8995 (df_prune_to_subcfg): Made public.
8996 (df_analyze_problem): Added blocks_to_init parameter and made
8998 (df_ref_record, df_bb_refs_record, df_mark_reg,
8999 df_record_exit_block_uses): Whitespace changes.
9000 (df_dump): Whitespace changes.
9001 * df.h: Some reordering to remove forward references.
9002 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
9003 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
9004 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
9005 (dataflow.flags): New field.
9006 (df.flag): Deleted field.
9007 (df_alloc_function): Added additional bitmap parameter.
9008 (df_dependent_problem_function): New type.
9009 (df_problem.changeable_flags): New field.
9010 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
9011 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
9012 (df_mw_hardreg): New struct.
9013 (DF_INSN_UID_MWS): New macro.
9014 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
9016 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
9017 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
9018 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
9019 (df_set_state): Removed function.
9020 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
9021 * df-problems.c (df_chain_dump): Removed df parameter.
9022 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
9023 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
9025 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
9026 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
9027 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
9028 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
9029 DF_REF_MUST_CLOBBER cases.
9030 (df_ru_bb_local_compute_process_def,
9031 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
9032 df_lr_bb_local_compute, df_ur_bb_local_compute,
9033 df_chain_create_bb): Made subreg aware.
9034 (df_ru_bb_local_compute, df_rd_bb_local_compute,
9035 df_lr_bb_local_compute, df_lr_bb_local_compute,
9036 df_chain_create_bb): Cleanup to use proper macros.
9037 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
9038 code to fixup bitvectors.
9039 (df_ri_alloc): Cleared lifetime.
9040 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
9041 df_create_unused_note): New function.
9042 (df_ri_bb_compute, df_ri_compute): Added code to create/update
9043 REG_DEAD and REG_UNUSED notes as well as register information.
9044 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
9045 df_chains_dump): Fixed crash if problem was never run.
9046 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
9047 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
9048 df_ri_add_problem): Processes flags in uniform manner.
9049 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
9050 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
9051 df_rd_dump, df_urec_free_bb_info): Formatting changes.
9052 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
9053 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
9054 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
9055 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
9056 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
9057 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
9058 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
9059 * see.c (see_initialize_data): Ditto.
9060 * final.c (rest_of_clean_state) Added regstack_completed.
9061 * rtl.h (regstack_completed): Ditto.
9062 * reg-stack.c (regstack_completed): Ditto.
9064 2006-05-19 Mike Stump <mrs@apple.com>
9066 * c-tree.h (default_conversion): Remove.
9067 * c-common.h (default_conversion): Add.
9069 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
9071 * tree-vrp.c (valid_value_p): New function.
9072 (adjust_range_with_scev): Fail if the value of bound is not
9075 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9077 * config/mips/linux-unwind.h: Include <asm/unistd.h>
9078 (mips_fallback_frame_state): Use syscall numbers to determine
9079 the appropriate li instruction for the current ABI. Only use
9080 __NR_sigreturn for o32.
9082 2006-05-19 Nicolas Setton <setton@adacore.com>
9084 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9085 * langhooks.c (lhd_dwarf_name): New function.
9086 * langhooks-def.h (lhd_dwarf_name): Declare.
9087 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9088 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9090 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9092 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9094 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9095 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9096 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9097 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9098 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9099 determine the size of Wtype, etc.
9100 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9101 (swfloatfuncs): New variable.
9102 (dwfloatfuncs): Likewise.
9103 (lib2funcs): Remove floating-point conversion functions from
9104 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9105 the set of conversion routines needed. Allow entries to specify
9106 an object name, filename and word size. Update users accordingly.
9107 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9108 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9112 2006-02-08 Roger Sayle <roger@eyesopen.com>
9115 * config/fixtfdi.c: New libgcc source file.
9116 * config/fixunstfdi.c: New source file.
9117 * config/floatditf.c: New source file.
9118 * config/floatunditf.c: New souce file.
9119 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9120 files above instead of config/mips/_tilib.c.
9121 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9123 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9125 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9126 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9128 2006-05-18 Mike Stump <mrs@apple.com>
9130 Fix up vla, vm and [*] sematics.
9136 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9137 (c_vla_unspec_p): Add.
9138 (c_vla_type_p): Add.
9139 * c-decl.c (struct c_scope): Add had_vla_unspec.
9140 (build_array_declarator): Add support for [*].
9141 (grokdeclarator): Likewise.
9142 (grokparms): Likewise.
9143 (get_parm_info): Likewise.
9144 * c-objc-common.c (c_vla_unspec_p): Likewise.
9145 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9146 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9147 typeof when argument is a variably modified type not inside sizeof or alignof.
9148 (c_parser_direct_declarator_inner): Propagate errors.
9149 (c_parser_sizeof_expression): Add support for [*].
9150 (c_parser_parms_declarator): Initialize had_vla_unspec.
9151 (c_parser_parms_list_declarator): Likewise.
9152 * c-typeck.c (c_vla_type_p): Add.
9153 (composite_type): Add support for vla compositing.
9154 (comptypes_internal): Add support for vla compatibility.
9155 (c_expr_sizeof_expr): Evaluate vla arguments.
9156 * tree.c (variably_modified_type_p): Update comment for [*].
9158 2006-05-18 Michael Matz <matz@suse.de>
9161 * config.host: Make assignments to host_xmake_file cumulative.
9162 * config.host (*-darwin*): Test $host, not $target.
9164 2006-05-12 Stuart Hastings <stuart@apple.com>
9166 * config/i386/i386.opt (-mstackrealign): New flag.
9167 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9168 (ix86_handle_cconv_attribute): Emit error when
9169 force_align_arg_pointer attribute collides with too many regparms.
9170 (ix86_function_regparm): Limit regparms when used with
9171 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9172 Support stack-realigning prologue in non-main functions. Emit
9173 warning for nested functions under -mstackrealign, emit error for
9174 nested functions with force_align_arg_pointer attribute.
9175 * doc/extend.texi (force_align_arg_pointer): Document it.
9176 * doc/invoke.texi (-mstackrealign): Document it.
9178 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9180 PR rtl-optimization/27477
9181 * combine.c (try_combine): Don't split a parallel consisting
9182 of two sets into two individual sets if both sets reference
9185 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9187 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9188 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9190 * doc/options.texi (VarExists): Updated.
9192 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9194 * unwind-dw2.c: Add declarations for uw_update_context and
9196 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9197 detected, advance frame state and context once to skip over stub.
9199 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9203 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9204 Call rewrite_into_loop_closed_ssa only when something changed.
9205 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9206 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9207 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9208 Test for perfect_nest_p here. Fix formating.
9209 (replace_uses_equiv_to_x_with_y): Fix formating.
9210 (stmt_uses_op): Removed.
9211 (can_convert_to_perfect_nest): Removed loopivs parameter.
9212 Complete the test by checking the scalar dependences.
9213 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9216 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9219 From Dan Kegel <dank@kegel.com>:
9220 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9222 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9224 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9225 if the element type is variably modified without recursing.
9227 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9230 * tree-loop-linear.c (try_interchange_loops): Test for
9231 no data dependences.
9233 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9235 PR tree-optimization/27548
9236 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9237 range of ssa names that appear on abnormal edges.
9238 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9239 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9241 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9244 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9246 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9249 * tree.h (OMP_PARALLEL_COMBINED): Define.
9250 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9251 (new_omp_context): Add is_combined_parallel argument.
9252 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9253 new_omp_context caller.
9254 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9255 Adjust gimplify_scan_omp_clauses callers.
9256 (omp_is_private): Issue errors if iteration variable is firstprivate
9257 or reduction in the current context.
9258 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9259 on combined parallel workshare constructs.
9261 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9263 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9264 (gcc-options.o): New rule.
9266 * optc-gen.awk: Protect variables for gcc-options.o with
9267 #ifdef GCC_DRIVER/#endif.
9269 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9271 Fix PR tree-optimization/27373
9272 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9273 (forward_propagate_addr_expr): Update call.
9275 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9277 * doc/options.texi: Move the Negative option.
9279 2006-05-16 Richard Guenther <rguenther@suse.de>
9281 PR tree-optimization/22303
9282 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9284 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9285 ccp_fold did not simplify the statement.
9287 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9290 * Makefile.in (GCC_OBJS): New.
9291 (OBJS-common): Add opts-common.o.
9292 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9293 (cpp$(exeext)): Likewise.
9294 (gcc.o): Also depend on opts.h.
9295 (opts-common.o): New.
9297 * common.opt (gcoff): Add Negative(gdwarf-2).
9298 (gdwarf-2): Add Negative(gstabs).
9299 (gstabs): Add Negative(gstabs+).
9300 (gstabs+): Add Negative(gvms).
9301 (gvms): Add Negative(gxcoff).
9302 (gxcoff): Add Negative(gxcoff+).
9303 (gxcoff+): Add Negative(gcoff).
9304 * config/i386/i386.opt (m32): Add Negative(m64).
9305 (m64): Add Negative(m32).
9307 * doc/options.texi: Document the Negative option.
9309 * gcc.c: Include "opts.h".
9310 (main): Call prune_options after expandargv.
9312 * optc-gen.awk: Generate common declarations for all flag
9313 variables in options.c. Output the neg_index field.
9315 * opts.c (find_opt): Moved to ...
9316 * opts-common.c: Here. New file.
9318 * opts.h (cl_option): Add a neg_index field.
9320 (prune_options): Likewise.
9322 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9325 * omp-low.c (expand_omp_parallel): Don't assert
9326 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9327 instead search for it.
9330 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9333 2006-05-16 Andreas Schwab <schwab@suse.de>
9335 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9338 2006-05-15 Roger Sayle <roger@eyesopen.com>
9341 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9342 integer constants other than zero are only legitimate on TARGET_64BIT.
9343 <CONST_VECTOR> Only zero vectors are legitimate.
9344 (ix86_cannot_force_const_mem): Integral and vector constants can
9345 always be put in the constant pool.
9347 2006-05-16 DJ Delorie <dj@redhat.com>
9349 * crtstuff.c (__dso_handle): Set section from
9350 TARGET_LBIGCC_SDATA_SECTION if defined.
9351 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9352 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9354 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9357 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9360 2006-05-16 Ben Elliston <bje@au.ibm.com>
9362 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9364 2006-05-15 Per Bothner <per@bothner.com>
9366 * tree.c: (last_annotated_node): Use source_locus typedef.
9367 This permits bootstrapping with --enable-mapped-location.
9369 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9371 PR tree-optimization/26830
9372 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9373 (info_for_ssa_name, current_info_for_ssa_name_age,
9374 blocks_to_update): New variables.
9375 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9376 (clear_ssa_name_info, initialize_flags_in_bb,
9377 mark_block_for_update): New functions.
9378 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9379 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9380 prepare_def_site_for): Use mark_block_for_update.
9381 (mark_def_interesting): Assert that the processed block is marked in
9382 blocks_to_update. Do not take blocks argument.
9383 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9385 (rewrite_update_init_block, rewrite_update_stmt): Only process
9386 blocks with statements to rewrite.
9387 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9388 (update_ssa): Initialize and free blocks_to_update. Do not
9389 clear flags on statements. Do not use blocks bitmap.
9390 * tree.h (SSA_NAME_AUX): Removed.
9391 (struct tree_ssa_name): Removed aux field.
9392 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9394 2006-05-15 Richard Guenther <rguenther@suse.de>
9396 PR tree-optimization/27603
9397 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9398 Do computations in original type.
9400 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9402 * see.c: Code style changes such as redundant paranthesis,
9403 redundant intialization of local variables etc.
9404 (see_main): Declared now as static.
9405 * doc/invoke.texi: Update that -fsee is not enabled by
9408 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9410 * omp-low.c (check_omp_nesting_restrictions): New function.
9411 (scan_omp_1): Call it.
9414 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9415 construct, return *VAR.
9417 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9419 PR rtl-optimization/27406
9420 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9423 2006-05-14 Roger Sayle <roger@eyesopen.com>
9425 PR rtl-optimization/27538
9426 * combine.c (expand_compound_operation): Call gen_lowpart
9427 before calling simplify_shift_const.
9429 2006-05-14 Roger Sayle <roger@eyesopen.com>
9431 PR rtl-optimization/22563
9432 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9433 a fixed width bitfield, always force the intermediates into psuedos.
9435 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9438 * mkconfig.sh: Use operator = instead of == for test.
9440 2006-05-13 Nick Clifton <nickc@redhat.com>
9442 * dwarf2out.c (dbx_reg_number): Check return value from
9443 LEAF_REG_REMAP and only use it if it is valid.
9444 (multiple_reg_loc_descriptor): Likewise.
9446 2006-05-13 Richard Guenther <rguenther@suse.de>
9448 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9451 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9453 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9454 information attached to non-INSNs such as NOTEs.
9455 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9457 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9459 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9461 * config/s390/s390.md: Adjust comment describing On constraint.
9463 2006-05-11 Jan Hubicka <jh@suse.cz>
9465 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9466 to be output at -O0.
9468 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9471 * fold-const.c (size_binop): Move sanity check for arguments to
9472 the beginning of the function.
9475 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9478 2006-05-11 Richard Guenther <rguenther@suse.de>
9481 * fold-const.c (fold_unary): Handle intermediate conversion
9482 to a pointer type like intermediate conversion to an integer
9483 type in folding of (T1)(T2)var to var.
9484 Match the code to the comment in the final conversion for
9485 (T1)(T2)var to (T1)var regarding to type precision. Rather
9486 than disallow T1 being of pointer type, assert that both T1
9487 and var are of pointer type or not. Make sure not to fall
9488 over the frontends lazyness wrt array to pointer decay though.
9490 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9492 * arm.c (arm_struct_value_rtx): Delete.
9493 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9494 (arm_init_cumulative_args): Always initialize nregs to zero.
9496 2006-05-10 Richard Guenther <rguenther@suse.de>
9498 PR tree-optimization/27532
9499 * tree-object-size.c (plus_expr_object_size): Fix typo.
9501 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9504 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9505 ashrdi_const, ashrdi3): Use a scratch register.
9507 2006-05-10 Richard Guenther <rguenther@suse.de>
9509 PR tree-optimization/27302
9510 * fold-const.c (operand_equal_p): For two comparisons,
9511 try comparison of one comparison code swapped if that yields
9514 2006-05-10 Ben Elliston <bje@au.ibm.com>
9516 * tree-pretty-print.c (pretty_print_string): No need to handle
9517 '\0' as a special character.
9519 * tree.h: Include "hashtab.h".
9520 (iterative_hash_expr): Use hashval_t in its prototype.
9521 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9523 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9526 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9527 (hppa*64*-*-hpux11*): Ditto.
9528 (hppa[12]*-*-hpux11*): Ditto.
9530 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9533 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9535 2006-05-09 Michael Matz <matz@suse.de>
9537 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9538 host_extra_gcc_objs and host_xmake_file.
9539 (<*-*-linux*>): Don't overwrite host_xmake_file.
9540 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9541 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9542 (host_detect_local_cpu): Declare.
9543 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9544 * config/i386/i386.c (override_options): Handle -mtune=native
9546 * config/i386/x-i386: New file.
9547 * config/i386/driver-i386.c: New file.
9548 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9551 2006-05-09 Dirk Mueller <dmueller@suse.de>
9552 Richard Guenther <rguenther@suse.de>
9555 * fold-const.c (fold_read_from_constant_string): Relax check
9556 for matching types to matching modes.
9558 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9560 PR rtl-optimization/27335
9561 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9564 2006-05-08 Chao-ying Fu <fu@mips.com>
9565 Richard Sandiford <richard@codesourcery.com>
9567 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9568 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9569 * config/mips/mips.md (UNSPEC_SCC): New constant.
9570 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9571 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9572 (mips_emit_compare): Use it.
9573 (mips_expand_vcondv2sf): New function.
9575 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9577 Fix PR tree-optimization/27093
9578 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9579 renaming when they become not-used_alone.
9581 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9583 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9584 relocation and relocation stubs.
9586 2006-05-08 Eric Christopher <echristo@apple.com>
9588 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9591 2006-05-08 Jan Hubicka <jh@suse.cz>
9594 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9595 unused static functions are needed.
9597 2006-05-08 Roger Sayle <roger@eyesopen.com>
9600 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9601 of a reg_equiv_constant if the result is a legitimate constant.
9603 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9606 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9607 standard 80387 constants, raise the cost to prevent
9608 compress_float_constant() to generate load from memory.
9610 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9612 * config/arm/constraints.md (c): Fix a typo.
9614 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9617 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9620 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9622 (_mm_mwait): Likewise.
9624 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9626 (sse3_monitor): Make it 32bit only.
9627 (sse3_monitor64): New. 64bit monitor.
9629 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9632 * config/i386/i386.c (classify_argument): Skip fields with invalid
9635 2006-05-07 Richard Guenther <rguenther@suse.de>
9637 PR tree-optimization/27409
9638 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9639 Do not try to find zero-sized subvars.
9641 2006-05-07 Richard Guenther <rguenther@suse.de>
9643 PR tree-optimization/27136
9644 * tree-ssa-loop-niter.c (get_val_for): Correct function
9645 comment, assert requirements.
9646 (loop_niter_by_eval): Stop processing if the iterated
9647 value did not simplify.
9649 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9651 * opts.c (flag_see): remove its setting at -O3.
9653 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9655 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9656 * arm/constraints.md: New file.
9657 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9658 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9659 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9660 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9661 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9662 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9663 * arm.md: Include constraints.md.
9664 (thumb_movsi_insn): Use satisfies_constraint_J.
9665 (movhi, movqi): Use satisfies_constraint_I.
9667 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9669 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9670 for atmeg a645 device.
9672 2006-05-06 Richard Guenther <rguenther@suse.de>
9674 PR tree-optimization/27151
9675 * tree-vect-transform.c (vectorizable_condition): Punt on
9676 values that have a different type than the condition.
9678 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9681 * c-parser.c (c_parser_cast_expression): Only insert casts into
9682 hash table if pointer.
9683 * function.c (used_types_insert_helper): Rename from
9685 (used_types_insert): Call used_types_insert_helper.
9686 * function.h (used_types_insert): Accept only one argument.
9688 2006-05-05 David Edelsohn <edesohn@gnu.org>
9690 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9691 scratch with output modifier.
9693 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9696 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9697 with output modifier.
9699 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9702 * config/mips/mips.c (mips_symbolic_address_p): Return true
9703 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9704 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9706 2006-05-04 Richard Guenther <rguenther@suse.de>
9708 PR tree-optimization/14287
9709 PR tree-optimization/14844
9710 PR tree-optimization/19792
9711 PR tree-optimization/21608
9712 PR tree-optimization/27090
9713 * tree-ssa-pre.c (try_combine_conversion): New function.
9714 (compute_avail): After constructing the value-handle
9715 expression, use try_combine_conversion to combine NOP_EXPRs
9716 with previous value-handle expressions and use the result if it
9719 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9721 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9723 2006-05-04 Jan Hubicka <jh@suse.cz>
9726 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9728 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9730 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9731 that this only matches CONST_INTs. All users changed to VOIDmode
9734 * config/bfin/bfin.c: Include "optabs.h".
9735 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9737 (enum bfin_builtins): Add a number of fractional and vector builtins.
9738 (bfin_init_builtins): Likewise.
9739 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9740 (safe_vector_operand, bfin_expand_binop_builtin,
9741 bfin_expand_unop_builtin): New functions.
9742 (bfin_expand_builtin): Handle the new builtins.
9743 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9746 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9749 * Makefile.in (OBJS-common): Add see.o.
9750 (see.o): Add dependencies.
9751 * common.opt (fsee): New flag for the see optimization was added.
9752 * opts.c (flag_see): Initialized.
9753 * passes.c (init_optimization_passes, pass_see): New pass.
9754 * rtl.h (see_main): Declaration as extern.
9755 * timevar.def (TV_SEE): New.
9756 * tree-pass.h (pass_see): Declaration as extern.
9757 * invoke.texi (-fsee): Document.
9758 * recog.c (validate_simplify_insn): New function.
9759 * recog.h (validate_simplify_insn): Declaration as extern.
9760 * df-problems.c (df_chain_dump): Check for NULL.
9762 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9763 Daniel Berlin <dberlin@dberlin.org>
9765 * cfgrtl.c (insert_insn_bb_end_new): New function.
9766 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9768 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9770 * df.h (struct web_entry): Moved from web.c.
9771 (union_defs): Declaration as extern.
9772 (unionfind_root): Likewise.
9773 (unionfind_union): Likewise.
9774 * web.c (struct web_entry): Moved to df.h.
9775 (unionfind_root): Remove static declaration.
9776 (unionfind_union): Likewise.
9777 (union_defs): Likewise and generalize to use callback function.
9778 (web_main): Update arguments for union_defs function call.
9780 2006-05-04 Richard Guenther <rguenther@suse.de>
9782 PR tree-optimization/26447
9783 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9784 produce SSA_NAME copies before the store stmt to avoid
9785 breaking exception handling.
9787 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9790 * gimplify.c (omp_is_private): If var is shared in some outer context,
9791 return false instead of true. Stop searching on parallel context
9794 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9797 * coverage.c: Use get_gcov_unsigned_t() instead of
9798 unsigned_type_node all over.
9800 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9802 PR tree-optimization/27381
9803 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9804 maintain the same immediate_use links.
9805 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9806 node rather than segfaulting.
9808 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9811 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9812 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9813 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9815 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9817 Fix PR tree-optimization/26626
9818 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9820 * tree-ssa-operands.c (access_can_touch_variable): Allow
9821 typecasting through union pointers.
9823 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9826 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9827 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9828 to find if var will be a global variable even in the nested context.
9829 (omp_copy_decl): Only check for global variable at the end, it might
9830 be overridden in outer contexts.
9831 (scan_sharing_clauses): For global variables don't create a field.
9832 (lower_rec_input_clauses): Do nothing for global shared variables.
9833 Emit a barrier at the end of ILIST if there were any decls in both
9834 firstprivate and lastprivate clauses.
9835 (lower_send_clauses): Do nothing for global variables except for
9838 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9840 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9841 of the correct signedness is returned.
9843 2006-05-02 Jeff Law <law@redhat.com>
9845 PR tree-optimization/27364
9846 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9847 multiply expressions.
9849 2006-05-02 Tom Tromey <tromey@redhat.com>
9851 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9853 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9856 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9857 -mthumb -fPIC are used.
9859 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9860 Joshua Kinard <kumba@gentoo.org>
9863 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9864 with 64-bit pointers.
9866 2006-05-02 Paul Brook <paul@codesourcery.com>
9868 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9870 (create_fix_barrier): Check that a suitable barrier location is
9872 (arm_reorg): Include ftmp->address in allowable range of addresses.
9874 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9877 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9880 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9883 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9884 around RESULT_DECL for result passed by reference.
9885 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9886 * omp-low.c (use_pointer_for_field): Don't look at
9887 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9888 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9889 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9890 time or var for passing by reference for
9891 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9892 TREE_ADDRESSABLE variables when passing by reference.
9894 * omp-low.c (dump_omp_region): Fix output formatting.
9897 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9898 (expand_omp_parallel): Likewise.
9899 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9902 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9903 on statement list containing also constructors and destructors.
9904 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9907 * except.c (duplicate_eh_regions): Fix clearing of
9908 cfun->eh->region_array entries.
9910 2006-05-01 DJ Delorie <dj@redhat.com>
9912 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9914 (gcc_cv_objdump): Likewise.
9915 * configure: Regenerated.
9917 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9920 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9921 templates for case 3 and 4.
9923 2006-05-01 DJ Delorie <dj@redhat.com>
9925 * vec.c: Include bconfig.h when appropriate.
9926 * Makefile.in (build/vec.o): Adjust dependencies.
9927 * mkconfig.sh: Make sure config.h isn't used for build machine
9930 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9932 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9934 (mark_phi_for_rewrite): New function.
9935 (insert_phi_nodes_for, mark_use_interesting): Call
9936 mark_phi_for_rewrite.
9937 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9938 (update_ssa): Initialize and free phis_to_rewrite.
9940 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9942 PR rtl-optimization/27291
9943 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9944 folded to a constant.
9946 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9948 PR tree-optimization/27283
9949 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9950 not whole # of iteration descriptions.
9951 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9952 uses abnormal ssa name.
9953 (niter_for_single_dom_exit): Ditto.
9954 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9955 return just the number of iterations.
9957 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9959 PR tree-optimization/27144
9960 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9961 (record_estimate): Only record constant upper bound.
9962 (infer_loop_bounds_from_undefined): Call
9963 compute_estimated_nb_iterations just once.
9964 (proved_non_wrapping_p): Renamed to ...
9965 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9966 (convert_step_widening, scev_probably_wraps_p): Call
9967 n_of_executions_at_most instead of proved_non_wrapping_p.
9968 (substitute_in_loop_info): Do not replace values in bounds.
9969 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9972 2006-05-01 Richard Henderson <rth@redhat.com>
9975 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9976 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9979 2006-05-01 Roger Sayle <roger@eyesopen.com>
9981 * c-typeck.c (parser_build_binary_op): Don't call the function
9982 unsigned_conversion_warning to spot operand/result type overflow.
9983 (build_binary_op): Instead, call convert_and_check instead of
9984 convert to report the problem when the operands are promoted.
9985 * c-common.c (unsigned_conversion_warning): Make static.
9986 * c-common.h (unsigned_conversion_warning): Delete prototype.
9988 2006-05-01 Richard Guenther <rguenther@suse.de>
9990 PR tree-optimization/26726
9991 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9993 (find_interesting_uses_address): ... we work around here
9994 by folding INDIRECT_REFs in the substituted base.
9996 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9998 * omp-low.c (dump_omp_region): Add newlines.
10000 2006-04-30 Roger Sayle <roger@eyesopen.com>
10002 * common.opt (Woverflow): New command line option.
10003 * c-common.c (constant_expression_warning): Check warn_overflow.
10004 (overflow_waring): Pass OPT_Woverflow to warning.
10005 (unsigned_conversion_warning): Likewise.
10006 (convert_and_check): Likewise.
10007 * doc/invoke.texi: Document new command line option.
10009 2006-04-30 David Edelsohn <edelsohn@gnu.org>
10011 * config/rs6000/rs6000.c (rs6000_override_options): Enable
10012 TARGET_NO_FP_IN_TOC for section anchors.
10013 (optimization_options): Enable section anchors for all
10014 non-"Objective" languages.
10016 2006-04-28 Eric Christopher <echristo@apple.com>
10018 * config/darwin-c.c (darwin_ms_struct): Move this
10019 (darwin_set_default_type_attributes): and this...
10020 * config/darwin.c: ... here.
10021 * config/darwin.h (darwin_ms_struct): Declare.
10023 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
10025 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
10027 2006-04-28 Roger Sayle <roger@eyesopen.com>
10030 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
10031 (push_array_bounds): Delete prototype. Change BOUNDS argument to
10032 an unsigned HOST_WIDE_INT.
10033 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
10035 (really_start_incremental_init): No need to call convert because
10036 bitsize_zero_node is already of type bitsizetype.
10037 (push_init_level): Extract the value of constructor_index as an
10038 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
10039 (process_init_element): Likewise.
10041 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
10043 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
10044 value before passing to make_relative_prefix.
10046 2006-04-28 Alan Modra <amodra@bigpond.net.au>
10048 PR middle-end/27260
10049 * builtins.c (expand_builtin_memset): Expand val in original mode.
10051 2006-04-27 Eric Christopher <echristo@apple.com>
10053 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
10054 with #ifndef/#endif.
10055 * config/darwin-c.c (darwin_ms_struct): New.
10056 (darwin_pragma_ms_struct): Ditto.
10057 (darwin_set_default_type_attributes): Ditto.
10058 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
10059 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
10060 Register ms_struct pragma.
10061 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
10062 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
10063 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
10064 darwin_set_default_type_attributes if TARGET_MACHO.
10066 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
10068 PR tree-optimization/26854
10069 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
10070 * doc/tree-ssa.texi: Update immuse iterator documentation.
10071 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
10072 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
10073 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
10074 first_safe_imm_use, next_safe_imm_use): Remove.
10075 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
10076 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
10077 (move_use_after_head): New. Helper function to sort immuses in a stmt.
10078 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
10079 (first_imm_use_stmt): New. Get first stmt in an immuse list.
10080 (next_imm_use_stmt): New. Get next stmt in an immuse list.
10081 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
10082 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
10083 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
10084 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10085 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10086 (perfect_nestify): Use new iterator.
10087 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10089 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10090 (next_imm_name): New field in struct immediate_use_iterator_d.
10091 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10092 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10093 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10094 * tree-cfg.c (replace_uses_by): Use new iterator.
10095 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10096 * tree-ssa-operands.c (correct_use_link): Remove.
10097 (finalize_ssa_use_ops): No longer call correct_use_link.
10099 2006-04-27 Stuart Hastings <stuart@apple.com>
10101 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10102 * config/t-darwin (crt3.o): Use it.
10103 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10104 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10105 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10106 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10107 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10110 2006-04-27 Roger Sayle <roger@eyesopen.com>
10112 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10113 size, force the intermediate into a new pseudo rather instead of
10114 performing both a bitwise AND and a bitwise IOR in memory.
10116 2006-04-27 Richard Guenther <rguenther@suse.de>
10118 PR rtl-optimization/26685
10119 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10120 this one "max-flow-memory-locations".
10122 2006-04-27 Richard Guenther <rguenther@suse.de>
10124 PR tree-optimization/25148
10125 * tree-vrp.c (compare_values): Remove code dealing with
10126 comparisons against type min/max value. Honour overflow
10127 and negative constants in code dealing with comparisons
10128 of plus and minus expressions.
10129 (value_inside_range): Use fold_binary with LE_EXPR and
10130 GE_EXPR rather than compare_values.
10132 2006-04-27 Dirk Mueller <dmueller@suse.de>
10134 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10137 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10139 * basic-block.h (safe_insert_insn_on_edge): Removed.
10140 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10142 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10143 Paolo Bonzini <bonzini@gnu.org>
10145 PR middle-end/27282
10146 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10147 (simplify_and_const_int): Same.
10149 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10151 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10153 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10156 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10157 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10158 cgraph_global_info_ready.
10160 PR middle-end/26913
10161 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10164 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10165 either decl or init is error_mark_node.
10167 PR middle-end/25989
10168 * tree-flow.h (struct omp_region): Add sched_kind.
10169 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10170 instead of extracting omp for data.
10171 (expand_omp_for): Save extracted sched_kind.
10173 2006-04-25 Roger Sayle <roger@eyesopen.com>
10175 * expmed.c (store_bit_field): Also check whether the bitsize is
10176 valid for the machine's "insv" instruction before moving the
10177 target into a pseudo for use with the insv.
10178 * config/i386/predicates.md (const8_operand): New predicate.
10179 * config/i386/i386.md (extv, extzv, insv): Use the new
10180 const8_operand predicate where appropriate.
10182 2006-04-25 DJ Delorie <dj@redhat.com>
10184 * doc/install.texi (Specific): Clarify that this is not a list of
10185 supported hosts or targets.
10187 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10189 PR rtl-optimization/26725
10190 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10191 block's BB_DIRTY flag.
10193 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10195 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10198 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10199 to print an integer.
10201 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10203 * varasm.c (align_variable): New function.
10204 (get_block_for_decl): Apply align_variable to DECL before
10205 calculating section information.
10206 (assemble_variable): Split out alignment computation.
10208 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10210 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10213 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10215 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10216 MODE_PARTIAL_INT mode.
10217 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10218 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10220 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10221 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10223 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10225 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10227 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10228 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10229 MACFLAG_IH): Likewise.
10230 (movstricthi_1): Renamed from "*movstricthi".
10231 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10232 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10233 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10234 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10235 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10236 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10237 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10238 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10239 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10240 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10241 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10242 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10243 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10244 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10245 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10247 * doc/rtl.texi (ss_ashift): Improve wording.
10249 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10251 * dwarf2out.c (verify_marks_clear): New.
10252 (prune_unused_types): Call verify_marks_clear initially, not
10255 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10257 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10258 * doc/rtl.texi: Document them.
10259 * simplify-rtx.c (simplify_unary_operation,
10260 simplify_binary_operation_1): Don't abort when we see them.
10262 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10265 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10266 * configure.ac: Completely disregard languages that are not
10268 * configure: Regenerated.
10270 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10271 Richard Guenther <rguenther@suse.de>
10273 PR tree-optimization/27236
10274 * tree-inline.c (copy_body_r): Make sure to copy
10275 TREE_THIS_VOLATILE flag.
10277 2006-04-24 Richard Guenther <rguenther@suse.de>
10279 PR middle-end/26869
10280 * tree-complex.c (update_parameter_components): Don't handle
10281 unused parameters which have no default def.
10283 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10284 Richard Guenther <rguenther@suse.de>
10286 PR tree-optimization/27218
10287 * tree-inline.c (expand_call_inline): Strip useless type
10288 conversions for the return slot address.
10290 2006-04-24 Richard Guenther <rguenther@suse.de>
10292 * cfgloop.h (struct loops): Remove unused field array. Reorder
10294 (LOOP_PREFETCH): Remove.
10296 2006-04-24 Richard Guenther <rguenther@suse.de>
10298 PR tree-optimization/22525
10299 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10300 variable, adjust types of generated expressions.
10302 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10304 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10305 (tree-vect-patterns.o): Likewise.
10306 (jump.o): Likewise.
10307 (cselib.o): Likewise.
10308 (loop-doloop.o): Likewise.
10309 (regclass.o): Likewise.
10310 (reload1.o): Likewise.
10311 (explow.o): Replace target.h with $(TARGET_H).
10312 (ipa-prop.o): Likewise.
10313 (ipa-cp.o): Likewise.
10314 (ipa-inline.o): Likewise.
10315 (reorg.o): Likewise.
10316 (reg-stack.o): Likewise.
10318 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10320 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10322 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10324 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10326 * configure.ac: Completely disregard languages that are not
10328 * configure: Regenerated.
10331 * c-common.h (c_build_bitfield_integer_type): Declare.
10332 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10333 * c-common.c (c_build_bitfield_integer_type): ... here.
10335 2006-04-23 Roger Sayle <roger@eyesopen.com>
10338 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10339 a SImode SUBREG of a floating point register after no_new_pseudos.
10341 2006-04-23 Roger Sayle <roger@eyesopen.com>
10343 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10344 identify potentially eliminable registers to additionally catch
10345 VIRTUAL_INCOMING_ARGS_REGNUM.
10346 (addsi3): Update the conditions on when to use addsi_small_int.
10348 2006-04-23 Roger Sayle <roger@eyesopen.com>
10351 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10352 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10353 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10355 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10357 * fold-const.c (range_predecessor): Use operand_equal_p
10358 as the predicate for equality.
10359 (range_successor): Likewise.
10361 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10364 * config/soft-fp/op-common.h: Fix a typo.
10366 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10368 PR libmudflap/26864
10369 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10370 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10372 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10374 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10376 * doc/tm.texi: Fix a typo.
10378 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10380 * dwarf2out.c (struct die_struct): Document that die_sib makes
10381 a circular linked list.
10382 (FOR_EACH_CHILD): New.
10383 (reverse_die_lists): Delete.
10384 (reverse_all_dies): Delete.
10385 (add_dwarf_attr): Correct documentation.
10386 (remove_child_with_prev): New.
10387 (remove_child_TAG): Update for change to die_struct, use
10388 remove_child_with_prev.
10389 (add_child_die): Update for change to die_struct.
10390 (splice_child_die): Use remove_child_with_prev and add_child_die.
10391 (print_die): Use FOR_EACH_CHILD.
10392 (die_checksum): Likewise.
10393 (assign_symbol_names): Likewise.
10394 (output_location_lists): Likewise.
10395 (build_abbrev_table): Likewise.
10396 (calc_die_sizes): Likewise.
10397 (mark_dies): Likewise.
10398 (unmark_dies): Likewise.
10399 (unmark_all_dies): Likewise.
10400 (output_die): Likewise.
10401 (prune_unused_types_mark): Likewise.
10402 (prune_unused_types_walk): Likewise.
10403 (same_die_p): Update for change to die_struct.
10404 (break_out_includes): Likewise.
10405 (prune_unused_types_prune): Likewise.
10406 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10407 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10408 it's already clear.
10409 (dwarf2out_finish): Don't call reverse_all_dies.
10411 2006-04-21 Eric Christopher <echristo@apple.com>
10413 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10414 in comments and function names.
10416 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10419 * c-typeck.c (digest_init): Robustify.
10421 * c-typeck.c (pop_init_level): Simplify.
10423 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10425 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10427 2006-04-21 Paul Brook <paul@codesourcery.com>
10429 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10430 hardware floating point.
10432 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10434 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10437 2006-04-21 Nick Clifton <nickc@redhat.com>
10439 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10442 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10445 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10446 C++ lang type in traceback table for Objective-C++.
10448 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10450 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10452 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10454 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10457 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10458 were errors. Remove check for erroneous objects.
10460 2006-04-20 Jeff Law <law@redhat.com>
10462 PR tree-optimization/26854
10463 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10464 checking for zero or one use.
10465 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10466 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10467 * tree-ssa-reassoc.c (negate_value): Similarly.
10468 (reassociate_bb): Similarly.
10470 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10472 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10473 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10474 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10476 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10478 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10479 fp regs if the last fp arg doesn't fit in regs.
10481 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10484 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10485 that the last insn has the REG_INC note.
10487 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10488 Nathan Sidwell <nathan@codesourcery.com>
10491 * stor-layout.c (update_alignment_for_field): Do not align
10493 (place_union_field): Place union field at the start of the union.
10494 (place_field): Move ERROR_MARK check later, and use the current
10495 allocation position to maintain monotonicity.
10497 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10499 * dominance.c: Include timevar.h.
10500 (calculate_dominance_info): Use TV_DOMINANCE.
10501 * timevar.def (TV_DOMINANCE): New timevar.
10502 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10504 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10506 PR rtl-optimization/14261
10507 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10508 move would be an INSV insn.
10509 (noce_process_if_block): Don't optimize if the destination is a
10510 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10512 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10514 * config/s390/s390.md: Add comments with the instructions emitted
10515 by an insn pattern if macros are used.
10517 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10519 PR rtl-optimization/26026
10520 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10521 is a known power of two shifted left a variable amount.
10523 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10525 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10526 to hash table twice when the debug_str section has SECTION_MERGE.
10528 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10530 * config/soft-fp: New directory. From glibc.
10531 * config/soft-fp/t-softfp: New.
10532 * config/soft-fp/README: New.
10533 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10534 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10535 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10536 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10537 * config.gcc: Use rs6000/t-fprules-fpbit or
10538 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10540 * config/rs6000/sfp-machine.h: New. Based on glibc.
10541 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10543 * config/rs6000/t-fprules: Remove fp-bit rules.
10544 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10545 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10546 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10547 (softfp_wrap_start, softfp_wrap_end): New.
10549 2006-04-18 DJ Delorie <dj@redhat.com>
10551 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10553 2006-04-18 Devang Patel <dpatel@apple.com>
10555 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10557 2006-04-18 Nick Clifton <nickc@redhat.com>
10559 * config/sh/t-symbian: Add rule to build sh-c.o
10560 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10561 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10562 (sh_symbian_encode_section_info): Likewise.
10564 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10566 * builtins.c (expand_builtin_strcmp): Cover label definition of
10567 do_libcall with HAVE_cmpstrnsi.
10569 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10571 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10573 * function.h (temp_slot_p): New.
10574 (function): Change the type of x_used_temp_slots to
10575 VEC(temp_slot_p,gc) *.
10577 2006-04-18 Nick Clifton <nickc@redhat.com>
10579 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10580 flag_strength_reduce.
10582 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10584 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10588 Partial revert of revision 112637
10589 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10590 Dale Johannesen <dalej@apple.com>
10593 * regclass.c (struct reg_pref): Update documentation.
10594 (regclass): Set prefclass to NO_REGS if memory is the best option.
10595 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10597 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10599 PR tree-optimization/26821
10600 * tree-ssa-math-opts.c (get_constant_one): New.
10601 (insert_reciprocals): Use it.
10603 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10605 * dwarf2out.c (free_AT): Delete.
10606 (remove_AT): Update string ref counts.
10607 (remove_child_TAG): Don't call free_die.
10608 (free_die): Delete.
10609 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10610 or DW_TAG_GNU_EINCL.
10611 (prune_unused_types_walk_attribs): Reset string refcounts.
10612 (prune_unused_types_update_strings): New.
10613 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10614 call free_die. Do call prune_unused_types_update_strings.
10615 (prune_unused_types): Empty debug_str_hash.
10617 2006-04-17 Roger Sayle <roger@eyesopen.com>
10619 * expr.c (expand_assignment): Optimize away no-op moves where the
10620 source and destination are equal and have no side-effects.
10622 2006-04-17 Richard Guenther <rguenther@suse.de>
10625 * reload.c (push_reload): Guard calls to get_secondary_mem
10626 for memory subregs.
10628 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10630 * alias.c (reg_base_value, old_reg_base_value): Change the
10631 type to VEC(rtx,gc) *.
10632 (REG_BASE_VALUE, find_base_value, record_set,
10633 init_alias_analysis): Use VEC instead of VARRAY.
10635 * alias.c (alias_sets): Change the type to
10636 VEC(alias_set_entry,gc) *.
10637 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10638 VEC instead of VARRAY.
10639 (last_alias_set): Remove.
10641 * cgraph.h (cgraph_edge_p): New.
10642 Update the prototype of cgraph_function_versioning.
10643 * cgraphunit.c (cgraph_copy_node_for_versioning,
10644 cgraph_function_versioning): Use VEC instead of VARRAY.
10645 * ipa-cp.c (ipcp_insert_stage): Likewise.
10647 2006-04-16 Roger Sayle <roger@eyesopen.com>
10650 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10651 "A op B" or "A op C", we may need to convert A to the type of B and C.
10653 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10655 * target.h (struct gcc_target): Add mode_rep_extended.
10656 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10657 (init_num_sign_bit_copies_in_rep): Initialize it using
10659 (truncate_to_mode): Use it.
10660 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10661 * targhooks.h (default_mode_rep_extended): Declare it.
10662 * targhooks.c (default_mode_rep_extended): Define it.
10663 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10664 default_mode_rep_extended.
10665 (TARGET_INITIALIZER): Include it.
10666 * doc/tm.texi (Misc): Document it.
10667 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10668 (mips_truncated_to_mode): New function.
10670 2006-04-16 Roger Sayle <roger@eyesopen.com>
10672 PR middle-end/25474
10673 * expr.c (compress_float_constant): Copy the narrow constant into
10674 a new pseudo before extending it to its final width.
10676 2006-04-16 Roger Sayle <roger@eyesopen.com>
10677 Andrew Pinski <pinskia@gcc.gnu.org>
10678 Dale Johannesen <dalej@apple.com>
10681 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10682 special case code to implement V8HImode and V16QImode with SSE2.
10684 2006-04-15 Roger Sayle <roger@eyesopen.com>
10686 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10687 trees are constructed with a suitable tree type.
10689 2006-04-15 Roger Sayle <roger@eyesopen.com>
10691 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10692 (integer_onep): Likewise.
10693 (integer_all_onesp): Likewise.
10694 (integer_pow2p): Likewise.
10695 (integer_nonzerop): Likewise.
10696 (real_zerop): Likewise.
10697 (real_onep): Likewise.
10698 (real_twop): Likewise.
10699 (real_minus_onep): Likewise.
10700 (int_size_in_bytes): Likewise.
10701 (host_integerp): Likewise.
10703 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10705 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10706 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10707 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10709 * tree-ssa-structalias.h (alias_info): Remove num_references.
10711 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10713 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10714 (output_bvb patterns): Likewise.
10715 * pa.c (output_bb): Use 'bb' insn for long branch case.
10716 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10717 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10718 1. Correct length operand for alternatives 1 and 2.
10719 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10720 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10722 2006-04-14 Roger Sayle <roger@eyesopen.com>
10724 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10725 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10726 were accidentally reverted by r112959.
10728 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10730 PR middle-end/26823
10731 * except.h (eh_region_outermost): New prototype.
10732 * except.c (eh_region_outermost): New function.
10733 * tree-cfg.c (find_outermost_region_in_block): Use it.
10735 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10737 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10739 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10740 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10741 (init_reload, reload): Use VEC instead of VARRAY.
10742 * reload.h: Update the prototype for
10743 reg_equiv_memory_loc_varray.
10745 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10746 Eric Botcazou <ebotcazou@libertysurf.fr>
10748 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10749 register save area.
10751 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10753 PR middle-end/27134
10754 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10755 to expand fallback builtin function call.
10757 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10759 PR middle-end/27095
10760 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10761 and emit libcall here in case the builtin fails.
10762 (expand_builtin_strcmp): Always emit the libcall here on failure.
10764 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10766 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10767 * flow.c (reg_n_info): Change the type to
10768 VEC(reg_info_p,heap) *.
10769 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10771 * regs.h (reg_info_p): New.
10772 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10773 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10774 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10777 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10779 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10781 * params.h (MAX_SCHED_READY_INSNS): New macro.
10782 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10783 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10784 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10785 the ready list for 1 cycle during the first scheduling pass.
10786 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10788 2006-04-13 Richard Henderson <rth@redhat.com>
10791 * gimple-low.c (lower_omp_directive): Remove dead code.
10792 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10793 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10794 * omp-low.c (struct omp_region): Move to tree-flow.h.
10795 (root_omp_region): Export.
10796 (omp_regions, lookup_omp_region): Remove.
10797 (determine_parallel_type): Update for struct omp_region changes.
10798 (dump_omp_region): Dump regions with block numbers.
10799 (new_omp_region): Take type and block instead of stmt; malloc
10801 (free_omp_region_1, free_omp_regions): New.
10802 (expand_parallel_call): Take entry_stmt as argument; update for
10803 changes to omp_region.
10804 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10805 (remove_exit_barriers): New.
10806 (expand_omp_parallel): Update for struct omp_region changes.
10807 (expand_omp_synch): Likewise.
10808 (expand_omp): Likewise.
10809 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10810 (expand_omp_for_static_chunk): Likewise.
10811 (expand_omp_for): Likewise.
10812 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10813 (expand_omp_sections): Similarly, with GOMP_sections_end.
10814 (expand_omp_single): New.
10815 (build_omp_regions_1): Update for OMP_CONTINUE.
10816 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10817 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10818 OMP_SECTIONS_SECTIONS.
10819 (lower_omp_single_simple): Don't emit barrier here.
10820 (lower_omp_single_copy): Likewise.
10821 (lower_omp_single): Fix bindings, and lower to straightline now.
10822 (lower_omp_master, lower_omp_ordered): Likewise.
10823 (lower_omp_critical): Likewise.
10824 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10825 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10826 omp edges, free it afterward.
10827 (make_omp_sections_edges): Remove.
10828 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10829 (move_stmt_r): Handle OMP_CONTINUE.
10830 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10831 statement pointers to basic blocks. Add type member.
10832 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10833 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10834 * tree-inline.c (estimate_num_insns_1): Likewise.
10835 * tree-pretty-print.c (dump_generic_node): Likewise.
10836 * tree-ssa-operands.c (get_expr_operands): Likewise.
10837 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10838 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10839 (OMP_CONTINUE): New.
10840 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10841 (OMP_SECTIONS_SECTIONS): Remove.
10842 (OMP_SECTION_LAST): New.
10843 (OMP_RETURN_NOWAIT): New.
10845 2006-04-13 Roger Sayle <roger@eyesopen.com>
10847 * fold-const.c (native_encode_vector, native_interpret_real):
10848 Correct obvious mistakes in the previous check-in.
10850 2006-04-13 Roger Sayle <roger@eyesopen.com>
10852 * fold-const.c (native_encode_expr): New function to encode
10853 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10854 or VECTOR_CST into a specified buffer.
10855 (native_encode_int): New function.
10856 (native_encode_real): New function.
10857 (native_encode_complex): New function.
10858 (native_encode_vector): New function.
10859 (native_interpret_expr): Inverse of native_encode_expr to convert
10860 a target representation into an INTEGER_CST, REAL_CST etc...
10861 (native_interpret_int): New function.
10862 (native_interpret_real): New function.
10863 (native_interpret_complex): New function.
10864 (native_interpret_vector): New function.
10865 (fold_view_convert_expr): New function to constant fold/evaluate
10866 a VIEW_CONVERT_EXPR of a suitable constant expression.
10867 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10868 Change call of build1 to fold_build1 when constructing a
10871 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10872 Ulrich Weigand <uweigand@de.ibm.com>
10875 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10878 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10881 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10882 optimize to lo_sum for DFmode if !TARGET_FPRS.
10884 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10886 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10887 delete_alias_info, compute_flow_sensitive_aliasing,
10888 group_aliases): Use VEC instead of VARRAY.
10889 * tree-ssa-structalias.c (update_alias_info): Likewise.
10890 * tree-ssa-structalias.h (alias_info): Change the type of
10891 processed_ptrs to VEC(tree,heap) *.
10893 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10896 * config/sh/lib1funcs.h: New file, broken out of:
10897 * config/sh/lib1funcs.asm.
10898 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10900 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10901 * config/sh/lib1funcs-Os-4-200.asm: New file.
10902 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10903 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10904 (EXTRA_MULTILIB_PARTS): Include it.
10905 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10906 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10907 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10908 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10911 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10913 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10914 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10915 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10917 * tree-ssa-live.h: Include vecprim.h.
10918 (tree_partition_associator_d): Change the type of
10919 first_partition to VEC(int,heap) *.
10920 (tpa_first_partition): Use VEC instead of VARRAY.
10922 * Makefile.in (GTFILES): Move functions.h after tree.h.
10923 * function.c (reset_block_changes, record_block_change,
10924 check_block_change, free_block_changes): Use VEC instead of
10926 * function.h (function): Change the type of
10927 ib_boundaries_block to VEC(tree,gc) *.
10928 * tree-inline.c (copy_cfg_body): Initialize
10929 ib_boundaries_block to NULL instead of (varray_type) 0.
10931 2006-04-12 Roger Sayle <roger@eyesopen.com>
10933 * expr.c (emit_group_store): Correct operand order in call to
10934 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10935 a SUBREG_BYTE of zero.
10937 2006-04-12 Richard Guenther <rguenther@suse.de>
10939 * profile.c (compute_branch_probabilities): Remove code
10940 encapsulated in !ir_type (), which are remanents of the
10941 removed RTL profiling code.
10942 * rtl-profile.c: Remove.
10944 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10946 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10947 magic NULL_RTX comment.
10948 (function_arg): Store entire fp arg to mem if any part should go
10950 (rs6000_arg_partial_bytes): Adjust for above change.
10952 2006-04-11 Roger Sayle <roger@eyesopen.com>
10954 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10955 if it hasn't been initialized by dwarf2out_init.
10957 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10959 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10960 symbolic constants in branch patterns.
10962 2006-04-11 Roger Sayle <roger@eyesopen.com>
10964 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10966 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10968 PR rtl-optimization/27073
10969 * gcse.c (try_replace_reg): Revert last change. Continue to search
10970 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10973 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10975 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10976 aggregate types other than record and union types.
10977 (function_arg): Likewise.
10978 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10980 (function_value): In 64-bit mode, return objects that require it
10983 2006-04-11 Roger Sayle <roger@eyesopen.com>
10985 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10987 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10989 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10991 2006-04-03 Jeff Law <law@redhat.com>
10994 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10995 alias information too.
10997 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10999 * Makefile.in (gcc-cross): Add $(exeext) to target name.
11001 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
11004 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
11005 (premark_used_types_helper): New.
11006 (premark_used_types): New.
11007 (gen_subprogram_die): Call premark_used_types.
11008 (prune_unused_types_walk): Do not prune perennial dies.
11009 * function.c (used_types_insert): New.
11010 * function.h (struct function): Add used_types_hash field.
11011 (used_types_insert): Add prototype.
11012 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
11013 * c-parser.c (c_parser_cast_expression): Save casted types in used
11016 2006-04-11 Mark Mitchell <mark@codesourcery.com>
11019 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
11020 rs6000_explicit_options.float_gprs.
11022 2006-04-10 Roger Sayle <roger@eyesopen.com>
11024 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
11025 from ix86_expand_vector_init_low_nonzero. Take an additional
11026 one_var argument indicating which element is non-zero. Support
11027 one_var != 0 for V4SFmode and V4SImode by permuting the result.
11028 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
11029 with one_var instead of ix86_expand_vector_init_low_nonzero.
11031 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
11033 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
11034 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
11035 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
11036 build/genextract.o): Depend on vecprim.h.
11037 * cfglayout.c, df-problems.c, function.c, genextract.c,
11038 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
11039 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
11043 2006-04-10 Geoffrey Keating <geoffk@apple.com>
11045 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
11046 Declare VECs of this type.
11047 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
11048 (remove_children): Delete.
11049 (add_dwarf_attr): Use VEC routines.
11050 (add_AT_flag): Update for changes to add_dwarf_attr.
11051 (add_AT_int): Likewise.
11052 (add_AT_unsigned): Likewise.
11053 (add_AT_long_long): Likewise.
11054 (add_AT_vec): Likewise.
11055 (add_AT_string): Likewise.
11056 (add_AT_die_ref): Likewise.
11057 (add_AT_fde_ref): Likewise.
11058 (add_AT_loc): Likewise.
11059 (add_AT_loc_list): Likewise.
11060 (add_AT_addr): Likewise.
11061 (add_AT_lbl_id): Likewise.
11062 (add_AT_lineptr): Likewise.
11063 (add_AT_macptr): Likewise.
11064 (add_AT_offset): Likewise.
11065 (add_AT_range_list): Likewise.
11066 (get_AT): Use VEC_iterate.
11067 (remove_AT): Use VEC_ordered_remove.
11068 (free_die): Fold remove_children into here; have it use VEC_iterate.
11069 (print_die): Use VEC_iterate on attrs.
11070 (reverse_die_lists): Don't reverse attr lists.
11071 (die_checksum): Use VEC_iterate on attrs.
11072 (same_die_p): Likewise.
11073 (output_location_lists): Likewise.
11074 (build_abbrev_table): Likewise.
11075 (size_of_die): Likewise.
11076 (unmark_all_dies): Likewise.
11077 (output_abbrev_section): Likewise.
11078 (output_die): Likewise.
11079 (prune_unused_types_walk_attribs): Likewise.
11081 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11083 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11085 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11088 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11090 2006-04-09 Roger Sayle <roger@eyesopen.com>
11092 * expr.c (store_constructor): Don't bother clearing target if
11093 we're about to assign a vector to it using vec_init_optab.
11095 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11097 * tree-ssa-alias.c (lhs_may_store_to): New function.
11098 (recalculate_used_alone): Handle LHS of calls.
11100 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11104 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11105 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11106 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11107 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11108 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11109 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11110 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11111 stubs. Add ".align 8" directives before all ".dword" directives.
11112 (GTHREAD_USE_WEAK): Revise comment.
11113 (TARGET_ATTRIBUTE_WEAK): Define.
11114 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11115 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11116 * stublib.c: New file.
11121 * pa.md (cbranch patterns): Revise arguments used in calls to
11122 output_cbranch, output_bb and output_bvd. Add long branch length
11124 (fbranch patterns): Handle long branches.
11125 (jump): Revise length check. Revise arguments for output_lbranch call.
11126 Add long branch length attributes.
11127 (decrement_and_branch_until_zero): Add long branch length attributes.
11128 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11129 Likewise. Revise arguments for output_parallel_addb and
11130 output_parallel_movb calls.
11131 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11132 output_parallel_movb and output_parallel_addb): Update prototypes.
11133 * pa.c (output_cbranch): Revise arguments. Correct handling of
11134 nullification in long branches.
11135 (output_lbranch): Add new argument to control extraction of delay
11137 (output_bb): Handle long branches.
11138 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11139 output_parallel_addb): Likewise.
11141 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11143 PR rtl-optimization/27073
11144 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11147 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11149 * tree.h (tree_memory_tag): Add old_used_alone.
11150 (SMT_OLD_USED_ALONE): New macro.
11151 * tree-ssa-alias.c (recalculate_used_alone): Stop
11152 marking things for renaming unnecessarily.
11154 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11156 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11157 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11158 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11159 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11160 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11161 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11162 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11163 spelling convensions.
11164 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11165 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11166 typos. Follow spelling conventions.
11168 2006-04-07 DJ Delorie <dj@redhat.com>
11170 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11171 passed on the stack.
11172 (m32c_init_cumulative_args): When a function returns a structure,
11173 always pass the pointer to that return area on the stack.
11174 (m32c_function_arg_advance): Don't increment the parameter number
11175 if we're processing the returned structure pointer.
11176 (pushm_info): Reverse order of registers.
11178 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11180 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11181 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11182 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11183 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11184 build_int_cst_type.
11185 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11186 chrec_fold_multiply): Same.
11187 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11188 force_expr_to_var_cost): Same.
11189 * tree-mudflap.c (mf_xform_derefs_1): Same.
11190 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11192 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11194 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11195 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11198 2006-04-07 Jan Hubicka <jh@suse.cz>
11200 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11202 2006-04-07 Richard Guenther <rguenther@suse.de>
11204 PR tree-optimization/26135
11205 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11206 loads for store copy-prop.
11207 (copy_prop_visit_stmt): Likewise.
11209 2006-04-05 Robert Millan <robertmh@gnu.org>
11211 * config/i386/linux.h: Add a comment to mark macros that are
11212 being overriden in config/k*bsd-gnu.h.
11213 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11215 * config/knetbsd-gnu.h: Ditto.
11217 2006-04-06 Jan Hubicka <jh@suse.cz>
11221 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11224 2006-04-06 Mike Stump <mrs@apple.com>
11226 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11227 for HAVE_nonlocal_goto to be consistent.
11228 (expand_builtin_nonlocal_goto): Likewise.
11229 (expand_builtin_strcmp): Use #ifdef instead of #if
11230 for HAVE_cmpstrnsi to be consistent.
11232 2006-04-05 DJ Delorie <dj@redhat.com>
11234 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11237 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11239 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11240 got-relative addressing for anything but SImode.
11242 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11243 even if the calling function doesn't modify them.
11245 2006-04-05 Richard Guenther <rguenther@suse.de>
11247 PR tree-optimization/26919
11248 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11249 to cgraph_estimate_size_after_inlining.
11251 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11253 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11255 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11257 PR tree-optimization/26996
11258 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11259 VECTOR_TYPE variables.
11261 2006-04-05 Richard Guenther <rguenther@suse.de>
11263 PR tree-optimization/26763
11264 * fold-const.c (fold_comparison): Move folding of
11265 PTR + CST CMP PTR + CST ...
11266 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11268 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11270 * doc/install.texi (Prerequisites): Refine some wording on
11271 bootstrapping and ksh.
11272 Move the version numbers of DejaGnu here from the testing section
11273 and fix casing of names.
11274 Fix markup and clarify wording for autogen requirements.
11275 Refer to GCJ instead of just java.
11276 Refer to SVN instead of CVS.
11277 Describe diffutils as useful instead of necessary.
11278 (Downloading the source): Refer to SVN instead of CVS.
11279 Adjust a link to our web site accordingly.
11280 (Configuration): Fix casing of Bison.
11281 (Building): Refer to SVN instead of CVS.
11282 Fix a sentence on the use of Bison and remove duplicate (and
11283 incorrect) version number of Bison requirement.
11284 Remove one redundant list of packages needed for building.
11285 (Specific): Avoid reference to CVS.
11287 2006-04-04 Eric Christopher <echristo@apple.com>
11289 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11290 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11291 (rs6000_handle_struct_attribute): New.
11292 (rs6000_ms_bitfield_layout_p): Ditto.
11294 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11296 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11297 NULL for dso parameter to atexit_common.
11299 2006-04-04 Eric Christopher <echristo@apple.com>
11301 * config/i386/i386.c (machopic_output_stub): Output \t
11302 between instructions and operands.
11304 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11306 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11307 satisfies_constraint_[IL] to explicit tests on value.
11309 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11311 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11312 set_nb_iterations_in_loop): Use build_int_cst instead of
11313 build_int_cst_type.
11314 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11315 build_int_cst instead of convert.
11317 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11319 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11320 new value 2 for incoming.
11321 * function.c (expand_function_start): Call struct_value_rtx
11322 with incoming as 2.
11323 * config/sparc/sparc.md: Comment updated_return.
11324 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11325 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11326 struct return if sparc_std_struct_return and incoming is 2.
11327 (print_operand): Do not adjust return if
11328 sparc_std_struct_return.
11330 2006-04-04 Roger Sayle <roger@eyesopen.com>
11332 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11333 convert in the middle-end.
11334 * expr.c (store_expr, store_constructor, get_inner_reference,
11335 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11337 * tree.c (build_range_type): Likewise.
11339 2006-04-04 Tom Tromey <tromey@redhat.com>
11341 * doc/install.texi (Prerequisites): Mention jar.
11343 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11345 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11348 2006-04-04 Matthias Klose <doko@debian.org>
11350 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11354 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11357 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11359 * doc/extend.texi (Function Attributes): Rewrite visibility
11360 attribute documentation.
11361 * doc/invoke.texi (C++ Dialect Options): Rewrite
11362 -fvisibility-inlines-hidden documentation to describe something
11363 entirely different, although in practise compatible.
11364 (Code Gen Options): Warn about system headers in -fvisibility=
11367 * doc/extend.texi (Other Builtins): Document that
11368 __builtin_nan is a compile-time constant only when its argument
11371 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11373 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11374 trying to remove TRUNCATE check if all bits outside the new mode
11375 are identical to the sign bit.
11377 2006-04-03 Jeff Law <law@redhat.com>
11379 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11380 and operand scanning in some common cases.
11382 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11383 Dale Johannesen <dalej@apple.com>
11386 * regclass.c (struct reg_pref): Update documentation.
11387 (regclass): Set prefclass to NO_REGS if memory is the best option.
11388 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11389 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11390 into account. For non-registers, equate an empty preferred
11391 reload class to a `!' in the constraint; move the if clause to
11392 do so after those that reject the insn.
11393 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11395 (find_dummy_reload): Likewise.
11396 * doc/tm.texi (Register Classes): Document what it means
11397 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11398 * config/i386/i386.c (ix86_preferred_reload_class): Force
11399 using SSE registers (and return NO_REGS for floating-point
11400 constants) if math is done with SSE.
11401 (ix86_preferred_output_reload_class): New.
11402 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11403 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11404 * config/i386/i386.md: Remove # register preferences.
11406 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11409 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11410 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11411 the type of nb_iter.
11412 (instantiate_parameters_1): Convert the operands before calling
11413 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11414 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11416 2006-04-02 Roger Sayle <roger@eyesopen.com>
11418 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11419 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11420 instead of convert.
11421 * dojump.c (do_jump): Likewise.
11422 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11423 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11424 gimplify_boolean_expr): Likewise.
11425 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11426 * varasm.c (array_size_for_constructor): Likewise.
11427 * tree-object-size.c (compute_object_offset): Likewise.
11429 2006-04-02 Roger Sayle <roger@eyesopen.com>
11431 PR middle-end/26977
11432 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11433 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11435 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11437 PR tree-optimization/26939
11438 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11440 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11442 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11443 at_stmt. Convert the type of operands before calling
11444 build_polynomial_chrec.
11445 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11446 add_to_evolution_1.
11447 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11448 (instantiate_parameters_1): Convert the type of operands before calling
11449 build_polynomial_chrec.
11450 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11451 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11452 reset_evolution_in_loop): Insert asserts to check the types of the
11454 (chrec_type): Moved...
11455 (eq_evolutions_p): Use operand_equal_p.
11456 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11457 the types of the operands.
11458 (chrec_type): ...here.
11459 * tree-data-ref.c (create_data_ref): Convert the operands before
11460 calling chrec_replace_initial_condition.
11461 (same_access_functions, analyze_subscript_affine_affine,
11462 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11463 (compute_subscript_distance, analyze_ziv_subscript,
11464 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11465 analyze_miv_subscript): Convert the operands before calling
11466 chrec_fold_minus or chrec_fold_plus.
11468 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11470 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11471 the dependence_relations vector.
11472 (compute_data_dependences_for_loop): Adjust call to
11473 compute_all_dependences.
11475 2006-04-01 Roger Sayle <roger@eyesopen.com>
11476 Richard Henderson <rth@redhat.com>
11478 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11479 gimple_boolify on the condition before calling gimplify_expr.
11481 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11483 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11484 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11485 the frame size. Update to use the new macros.
11486 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11487 * config/xtensa/ieee754-df.S: Likewise.
11489 2006-03-31 Richard Henderson <rth@redhat.com>
11491 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11492 (make_edges): ... here. Control fallthru creation with a local
11493 variable. Do not play with fake edges.
11494 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11495 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11498 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11500 * dwarf2.h (DW64_CIE_ID): Define.
11501 * dwarf2out.c (DWARF_CIE_ID): Define.
11502 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11503 length header. Use DWARF_CIE_ID.
11504 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11505 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11507 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11509 * config/sh/linux-atomic.asm: New file.
11510 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11512 2006-03-31 DJ Delorie <dj@redhat.com>
11514 * config/m32c/cond.md: Set condition flags properly throughout.
11515 * config/m32c/minmax.md: Likewise.
11516 * config/m32c/prologue.md: Likewise.
11517 * config/m32c/bitops.md: Likewise.
11518 * config/m32c/muldiv.md: Likewise.
11519 * config/m32c/mov.md: Likewise.
11520 * config/m32c/addsub.md: Likewise.
11521 * config/m32c/m32c.md: Likewise.
11522 * config/m32c/jump.md: Likewise.
11523 * config/m32c/shift.md: Likewise.
11525 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11526 conditionally output the pattern for this.
11527 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11528 (m32c_compare_redundant): New.
11529 (m32c_output_compare): New.
11530 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11532 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11533 dest, not src. Allow other 4-byte modes.
11535 2006-03-30 Denis Chertykov <denisc@overta.ru>
11537 * doc/md.texi: Refer to avr/constraints.md instead of
11540 2006-03-30 Roger Sayle <roger@eyesopen.com>
11542 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11543 signed vs. unsigned comparison failures on some hosts.
11545 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11548 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11549 change to FLOAT_REGS.
11551 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11552 (rs6000_override_options): Use it.
11553 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11554 only for -mabi=spe/no-spe and -mabi=altivec.
11556 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11558 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11561 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11563 * Makefile.in: Rename docdir to gcc_docdir.
11565 2006-03-30 Roger Sayle <roger@eyesopen.com>
11568 * expr.c (emit_group_store): Optimize group stores into a pseudo
11569 register by using a paradoxical subreg to initialize the destination
11570 if the first or last member of the group specifies a "low part".
11572 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11575 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11576 * target.h (struct gcc_target.speculate_insn): Change type of the
11577 second parameter to 'int'.
11578 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11579 the second operand of the DEPS_LIST.
11580 (copy_DEPS_LIST_list): Update reference to the second operand of the
11582 * rtl.h (alloc_DEPS_LIST): Update signature.
11583 * sched-int.h (ds_t): Change typedef to 'int'.
11584 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11586 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11588 * haifa-sched.c (try_ready): Change condition to restore
11589 non-speculative pattern of the instruction.
11590 (process_insn_depend_be_in_spec): Code to keep probability of the
11591 speculative dependence non-decreasing.
11593 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11595 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11596 (single_move_for_movmem): ... this. Also change all uses.
11597 (bfin_expand_strmov): Renamed to...
11598 (bfin_expand_movmem): ... this. Also change all uses.
11599 * config/bfin/bfin.md (movstrsi): Renamed to...
11600 (movstrsi): ...this.
11602 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11604 PR tree-optimization/26830
11606 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11607 (copy_prop_visit_stmt): Remove write-only variable ann.
11608 (init_copy_prop): Check variable loop depth here. Do not simulate
11609 memory-tag and virtual operand PHIs except for store copy prop.
11611 2006-03-30 Richard Guenther <rguenther@suse.de>
11613 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11614 variants with double arguments.
11616 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11618 * genpreds.c (write_tm_constrs_h): Delete variable p.
11619 * genconditions.c (write_header): Add tm-constrs.h to included
11621 * genpeep.c (main): Add toplev.h to included headers.
11622 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11623 (build/genpeep.o): Add toplev.h dependency.
11624 * config/rs6000/constraints.md: Add "W" constraint.
11626 2006-03-29 Roger Sayle <roger@eyesopen.com>
11628 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11629 sizes by correctly testing whether the size fits a host integer.
11630 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11631 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11632 SImode range for the default sizetype and bitsizetype.
11634 2006-03-29 Roger Sayle <roger@eyesopen.com>
11636 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11637 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11638 quickly if the argument is already of the correct type.
11639 Call fold_build1 instead of build1. Tidy up blank lines.
11641 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11643 * genemit.c (main): Add tm-constrs.h to included headers.
11644 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11645 * genpeep.c (main): Add tm-constrs.h to included headers.
11646 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11647 (write_tm_constrs_h): this and write complete file.
11648 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11649 (write_insn_preds_c): Add tm-constrs.h to included headers.
11650 (gen_constrs): New variable.
11651 (parse_option): Parse "-c".
11652 (main): Invoke write_tm_constrs_h.
11653 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11654 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11655 (object_out_file): Add tm-constrs.h dependency.
11656 (insn-emit.o): Same.
11657 (insn-output.o): Same.
11658 (insn-peep.o): Same.
11659 (insn-preds.o): Same.
11660 (insn-recog.o): Same.
11661 (tm-constsr.h): New target.
11662 (s-constrs-h): New target.
11664 * config/rs6000/constraints.md: New file.
11665 * config/rs6000/rs6000.c: Include tm-constrs.h.
11666 (num_insn_constant_wide): Convert to satisfies_constraint.
11667 (rs6000_rtx_costs): Convert to satisfies_constraint.
11668 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11669 (CONST_OK_FOR_LETTER_P): Delete.
11670 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11671 (EXTRA_CONSTRAINT): Delete.
11672 (EXTRA_MEMORY_CONSTRAINT): Delete.
11673 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11674 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11675 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11676 satisfies_constraint.
11678 * config/i386/i386.c: Include tm-constrs.h.
11680 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11682 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11683 * tree-data-ref.c (find_data_references_in_loop,
11684 compute_data_dependences_for_loop): Use pointers to VEC.
11685 (analyze_all_data_dependences): Adjust calls.
11686 * tree-data-ref.h (find_data_references_in_loop,
11687 compute_data_dependences_for_loop): Adjust declarations.
11688 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11689 compute_data_dependences_for_loop.
11691 2006-03-29 Paul Brook <paul@codesourcery.com>
11693 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11694 (movdf_vfp): Ditto.
11696 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11698 PR tree-optimization/26859
11699 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11701 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11702 for the step after fold_convert.
11704 2006-03-29 Paul Brook <paul@codesourcery.com>
11706 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11707 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11709 2006-03-29 Paul Brook <paul@codesourcery.com>
11711 PR middle-end/23623
11712 * targhooks.c (default_narrow_bitfield): New fuction.
11713 * targhooks.h (default_narrow_bitfield): add prototype.
11714 * target.h (gcc_target): Add narrow_volatile_bitfield.
11715 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11716 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11717 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11718 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11720 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11722 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11724 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11725 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11726 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11727 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11728 (s390_function_arg_float): Allow SDmode and DDmode values to be
11729 passed in floating point registers.
11730 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11731 check with SCALAR_FLOAT_MODE_P.
11732 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11734 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11736 PR tree-optimization/25985
11737 * tree-ssa-loop-niter.c (number_of_iterations_le,
11738 number_of_iterations_ne): Make comments more precise.
11739 (number_of_iterations_cond): Add only_exit argument. Use the
11740 fact that signed variables do not overflow only when only_exit
11742 (loop_only_exit_p): New.
11743 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11744 number_of_iterations_cond.
11746 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11748 PR tree-optimization/26643
11749 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11752 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11754 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11755 (divsi3_i4_int): Likewise.
11757 2006-03-28 Roger Sayle <roger@eyesopen.com>
11759 * expr.c (emit_group_store): Only create a new pseudo reg if the
11760 quantity it needs to hold isn't already a suitable pseudo.
11762 2006-03-28 Jeff Law <law@redhat.com>
11764 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11765 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11767 2006-03-28 Roger Sayle <roger@eyesopen.com>
11769 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11770 the equivalent ~X & Y, and the symmetry related transformations.
11771 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11772 ~X & Y, and symmetry related transforms.
11774 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11776 Revert my 2006-03-27 patches.
11778 2006-03-28 Roger Sayle <roger@eyesopen.com>
11780 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11781 ~(T1)X, when T1 and T2 are integer types of the same precision
11782 and (T2)X isn't an extension.
11784 2006-03-28 Jeff Law <law@redhat.com>
11786 PR tree-optimization/26796
11787 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11788 need EH edge cleanups rather than purging them immediately.
11789 (eliminate_degenerate_phis): Handle queued EH cleanups.
11791 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11793 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11796 2006-03-27 Roger Sayle <roger@eyesopen.com>
11798 PR middle-end/22524
11799 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11800 cast BIT_NOT_EXPR operand to the correct type.
11802 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11804 * tree-loop-linear.c: Don't include varray.h.
11805 (gather_interchange_stats, try_interchange_loops,
11806 linear_transform_loops): Use VEC instead of VARRAY.
11807 * lambda-mat.c: Don't include varray.h.
11808 * tree-chrec.c: Same.
11809 * lambda-trans.c: Same.
11810 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11811 VEC instead of VARRAY.
11812 * tree-vectorizer.h: Idem.
11813 * tree-data-ref.c (dump_data_references,
11814 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11815 initialize_data_dependence_relation, finalize_ddr_dependent,
11816 compute_all_dependences, find_data_references_in_loop,
11817 compute_data_dependences_for_loop, analyze_all_data_dependences,
11818 free_dependence_relation, free_dependence_relations,
11819 free_data_refs): Idem.
11820 * tree-data-ref.h (data_reference_p, subscript_p): New.
11821 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11822 VEC instead of VARRAY.
11823 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11824 (find_data_references_in_loop, compute_data_dependences_for_loop,
11825 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11826 dump_data_dependence_relations, free_dependence_relations,
11827 free_data_refs): Adjust declaration.
11828 (lambda_transform_legal_p): Move declaration here...
11829 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11830 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11831 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11832 vect_analyze_data_refs): Use VEC instead of VARRAY.
11833 * lambda.h (lambda_transform_legal_p): ...from here.
11834 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11835 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11836 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11837 tree-chrec.o): Don't depend on VARRAY_H.
11839 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11841 * rtl.def (Copyright): Update date.
11842 (DEPS_LIST): Change type of the second operand to 'int'.
11843 * target.h (Copyright): Update date.
11844 (struct gcc_target.speculate_insn): Change type of the second parameter
11846 * lists.c (Copyright): Update date.
11847 (alloc_DEPS_LIST): Change signature. Update reference to the second
11848 operand of the DEPS_LIST.
11849 (copy_DEPS_LIST_list): Update reference to the second operand of the
11851 * rtl.h (Copyright): Update date.
11852 (alloc_DEPS_LIST): Update signature.
11853 * sched-int.h (Copyright): Update date.
11854 (ds_t): Change typedef to 'int'.
11855 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11857 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11859 * haifa-sched.c (Copyright): Update date.
11860 (try_ready): Change condition to restore non-speculative pattern
11861 of the instruction.
11862 (process_insn_depend_be_in_spec): Code to keep probability of the
11863 speculative dependence non-decreasing.
11865 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11867 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11868 shut up the compiler.
11870 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11872 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11873 to use lib prefix for target.
11874 ($(T)libic_invalidate_array_4-200.a): Likewise.
11875 ($(T)libic_invalidate_array_4a.a): Likewise.
11877 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11878 J"orn Rennecke <joern.rennecke@st.com>
11880 * superh.opt: New file.
11881 * sh.c (boardtype, osruntime): Remove.
11882 * superh.h (SUBTARGET_OPTIONS): Remove.
11883 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11885 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11886 arguments with ^ and/or [].
11888 * config.gcc (sh-*-*): Add quoting to account for quirk of
11890 Replace == with = in enable_incomplete_targets test.
11892 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11893 with MASK_LITTLE_ENDIAN.
11895 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11896 * config/sh/sh.opt: Added to some comments.
11897 * config/sh/superh.h: Removed some chaff.
11899 * config/sh/sh.opt: Add m4-[1234]00* options.
11900 * config/sh/sh.c (sh_handle_option): Likewise.
11901 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11902 (ic_invalidate_array_4-100.o): New rule.
11903 ($(T)libic_invalidate_array_4-100.a): Likewise.
11904 (ic_invalidate_array_4-200.o): Likewise.
11905 ($(T)libic_invalidate_array_4-200.a): Likewise.
11906 (ic_invalidate_array_4a.o): Likewise.
11907 ($(T)libic_invalidate_array_4a.a): Likewise.
11908 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11909 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11911 * config/sh/crt1.asm: Merged in profiling code.
11912 * config/sh/superh.h (STARTFILE_SPEC): Override.
11913 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11914 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11915 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11917 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11918 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11919 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11921 * sh.opt (mpretend-cmove): New option.
11922 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11923 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11924 (movsicc): Add TARGET_PRETEND_CMOVE code.
11926 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11928 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11929 s390_class_max_nregs): New function prototypes.
11930 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11931 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11932 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11933 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11935 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11937 * dwarf2out.c (add_location_or_const_value_attribute): Call
11938 tree_add_const_value_attribute if nothing else works.
11939 (reference_to_unused): New.
11940 (rtl_for_decl_init): Use reference_to_unused to decide whether
11941 to output an initializer.
11943 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11946 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11947 peephole removing spe frob_di_df_2.
11949 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11951 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11952 (subscript_dependence_tester_1): Declared.
11953 (print_dir_vectors, print_dist_vectors): New.
11954 (debug_data_dependence_relation): New.
11955 (dump_data_dependence_relation): Print more details.
11956 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11957 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11958 (save_dist_v, save_dir_v, add_outer_distances,
11959 build_classic_dist_vector_1): New.
11960 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11961 Don't test for lambda_vector_lexico_pos.
11962 (same_access_functions, add_multivariate_self_dist,
11963 add_other_self_distances, dir_from_dist): New.
11964 (build_classic_dir_vector): Replace implementation almost identical to
11965 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11967 (subscript_dependence_tester_1): New.
11968 (subscript_dependence_tester): Handle the lexicographically negative
11969 distance vectors by recomputing the dependence relation.
11970 (compute_affine_dependence): Remove parameter loop_nest_depth.
11971 (compute_self_dependence): Don't call compute_subscript_distance.
11972 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11973 Add a parameter for the loop_nest.
11974 (find_loop_nest_1, find_loop_nest): New.
11975 (compute_data_dependences_for_loop): Compute the loop nest, and give
11976 up if the nest is not well formed.
11977 * tree-data-ref.h (loop_p): New.
11978 (struct data_dependence_relation): Replace size_vect field with
11979 loop_nest, a vec of loops.
11980 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11981 (DDR_LOOP_NEST): New.
11982 (print_dir_vectors, print_dist_vectors,
11983 debug_data_dependence_relation): Declared.
11984 (index_in_loop_nest): New.
11985 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11986 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11989 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11991 * simplify-rtx.c (simplify_relational_operation): Call
11992 simplify_relational_operation_1 even if mode is VOIDmode.
11994 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11996 PR tree-optimization/26804
11997 * tree.h (DECL_CALL_CLOBBERED): New macro.
11998 (tree_decl_common): Add call_clobbered_flag.
11999 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
12000 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
12001 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
12002 (mark_non_addressable): Ditto.
12003 * tree-ssa.c (verify_call_clobbered): New function.
12004 (verify_alias_info): Use it.
12005 * tree-pass.h (pass_reset_cc_flags): New prototype.
12006 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
12007 (reset_cc_flags): New function.
12008 * passes.c (init_optimization_passes): Call reset_cc_flags after
12009 initializing referenced_vars.
12011 2006-03-25 Uros Bizjak <uros@kss-loka.si>
12012 Roger Sayle <roger@eyesopen.com>
12014 PR middle-end/26717
12015 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
12016 to 1.0 for non-real operands. Implement A / A optimization for
12019 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
12021 * config/i386/i386.c (size_cost): Correct the comment for
12022 cost of storing fp registers.
12023 (i386_cost): Likewise.
12024 (i486_cost): Likewise.
12025 (pentium_cost): Likewise.
12026 (pentiumpro_cost): Likewise.
12027 (k6_cost): Likewise.
12028 (athlon_cost): Likewise.
12029 (k8_cost): Likewise.
12030 (pentium4_cost): Likewise.
12031 (nocona_cost): Likewise.
12032 (generic64_cost): Likewise.
12033 (generic32_cost): Likewise.
12035 2006-03-24 Denis Chertykov <denisc@overta.ru>
12037 * config/avr/avr-protos.h (extra_constraint): Delete.
12038 (extra_constraint_Q): New declaration.
12039 * config/avr/constraints.md: New file.
12040 * config/avr/avr.md: Include it.
12041 (REG_X, REG_Y, REG_Z, REG_W): New constants.
12042 (TMP_REGNO, ZERO_REGNO): Likewise.
12043 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
12044 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
12045 (extra_constraint): Delete.
12046 (extra_constraint_Q): Test for memory constraint 'Q'.
12047 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
12048 (REG_CLASS_FROM_LETTER): Delete.
12049 (CONST_OK_FOR_LETTER_P): Delete.
12050 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12051 (EXTRA_CONSTRAINT): Delete.
12052 (TMP_REGNO): Delete.
12053 (ZERO_REGNO): Delete.
12055 2006-03-24 Jeff Law <law@redhat.com>
12057 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
12058 directly. Call mark_new_vars_to_rename slightly earlier.
12060 2006-03-24 Geoffrey Keating <geoffk@apple.com>
12062 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
12063 (is_cxx): Likewise.
12064 (gen_compile_unit_die): Use new language types for Objective-C and
12066 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
12067 DW_LANG_C_plus_plus.
12070 * config/t-darwin (crt3.o): Work around bug 26840.
12071 * config/darwin-crt3.c: Rewrite.
12072 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
12074 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
12076 * doc/invoke.texi: Document -femit-class-debug-always
12077 * common.opt: Add -femit-class-debug-always.
12079 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
12081 * config/s390/s390.c (s390_decompose_address): Allow SImode for
12082 index and base register.
12083 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
12084 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12085 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12086 REGNO_OK_FOR_INDEX_P.
12087 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12089 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12090 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12091 REG_OK_FOR_BASE_P): Definitions removed.
12093 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12095 PR middle-end/26611
12096 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12097 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12098 set yet or weren't marked as local yet.
12100 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12102 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12105 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12107 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12108 (rs6000_legitimate_small_data_p): Delete.
12109 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12110 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12111 and make static. Add forward declaration. Update uses.
12112 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12113 of offsettable_memref_p.
12114 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12115 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12117 2006-03-24 Jeff Law <law@redhat.com>
12119 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12120 around bug in immediate-use iterator.
12122 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12125 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12126 or __LITTLE_ENDIAN__.
12128 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12130 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12131 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12132 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12133 * config/sh/sh.opt (mdiv=): Amend description.
12134 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12135 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12136 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12137 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12138 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12139 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12140 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12141 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12142 TARGET_DIVIDE_CALL_FP.
12144 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12146 * haifa-sched.c (choose_ready): Fix type of the local variable.
12147 Move local variables. Add comment.
12148 (check_reg_live): Change signature. Make callable from debugger.
12149 * sched-int.h (check_reg_live): Update signature.
12150 * sched-ebb.c (check_reg_live): Update parameters.
12151 * sched-rgn.c (check_reg_live): Ditto.
12152 (region_head_or_leaf_p): Check pointer before dereferencing.
12153 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12154 before reload on optimization levels below 1.
12156 2006-03-23 Richard Henderson <rth@redhat.com>
12158 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12162 * config/alpha/predicates.md (local_symbolic_operand): Reject
12165 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12168 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12169 expressions which have overflowed constants.
12171 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12173 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12175 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12177 * cfgloopmanip.c (create_loop_notes): Removed.
12178 * final.c (final_scan_insn): Do not handle loop notes.
12179 * jump.c (squeeze_notes): Ditto.
12180 * cfglayout.c (skip_insns_after_block,
12181 duplicate_insn_chain): Ditto.
12182 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12184 * cfgloop.h (create_loop_notes): Declaration removed.
12186 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12188 * varasm.c (output_constant_pool): Restore fnname and fndecl
12190 (assemble_start_function): Adjust call accordingly.
12191 (assemble_end_function): Likewise.
12193 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12196 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12199 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12201 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12204 * system.h (ICE_EXIT_CODE): New macro.
12205 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12206 (diagnostic_action_after_output): Likewise.
12207 * gcc.c (fatal_ice): New function.
12208 (execute): Use it instead of fatal.
12209 (fancy_abort): Likewise.
12210 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12212 2006-03-22 Jeff Law <law@redhat.com>
12214 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12215 iv_analyze_result returning false.
12217 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12219 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12221 2006-03-22 Richard Henderson <rth@redhat.com>
12223 PR middle-end/26084
12224 * except.c (duplicate_eh_regions_0): New.
12225 (duplicate_eh_region_1): Duplicate the children of the node as
12226 well as the node itself. Link them up properly.
12227 (duplicate_eh_region_2): Merge into ...
12228 (duplicate_eh_regions): ... here. Take copy_region argument, and
12229 copy only a sub-tree if asked. Simplify copying and fixup.
12230 (eh_region_outer_p): New.
12231 * except.h (duplicate_eh_regions): Update decl.
12232 (eh_region_outer_p): Declare.
12233 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12234 (lower_omp_master): Likewise.
12235 (lower_omp_ordered): Likewise.
12236 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12237 (move_stmt_r): Use it to remap labels. Handle recursion vs
12238 remap_decls_p properly.
12239 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12240 (find_outermost_region_in_block): New.
12241 (new_label_mapper): New.
12242 (move_sese_region_to_fn): Copy eh information to the new function
12244 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12246 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12249 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12251 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12252 into shared libraries.
12254 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12256 * doc/md.texi: Refer to i386/constraints.md instead of
12257 i386/predicates.md.
12258 * config/i386/constraints.md: New file, extracted from...
12259 * config/i386/predicates.md: ...here.
12260 * config/i386/i386.md: Include constraints.md.
12262 2006-03-21 Jason Merrill <jason@redhat.com>
12264 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12266 PR middle-end/20297
12267 * expr.c (init_block_move_fn): Force default visibility.
12268 (init_block_clear_fn): Likewise.
12269 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12270 * targhooks.c (default_external_stack_protect_fail): Likewise.
12272 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12274 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12275 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12276 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12277 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12278 (loadgp): Use mips_current_loadgp_style.
12279 (loadgp_noshared): New pattern.
12280 (sibcall_internal): Use MIPS_CALL.
12281 (sibcall_value_internal): Likewise.
12282 (sibcall_value_multiple_internal): Likewise.
12283 (call_internal): Likewise.
12284 (call_value_internal): Likewise.
12285 (call_value_multiple_internal): Likewise.
12286 (call_split): Use MIPS_CALL and add an 'S' constraint.
12287 (call_value_split): Likewise.
12288 (call_value_multiple_split): Likewise.
12289 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12290 (-mshared): New option.
12291 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12292 (mips_current_loadgp_style): Declare.
12293 * config/mips/mips.c (mips_classify_symbol): Avoid using
12294 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12295 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12296 TARGET_ABSOLUTE_ABICALLS.
12297 (override_options): Adjust comments. Improve the warning that is
12298 issued when -mabicalls and -G are used together.
12299 (mips_file_start): Remove comment.
12300 (mips_current_loadgp_style): New function.
12301 (mips_gnu_local_gp): New variable.
12302 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12304 (mips_output_function_prologue): Use mips_current_laodgp_style.
12305 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12306 the cprestore instruction.
12307 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12308 live for TARGET_ABSOLUTE_ABICALLS.
12309 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12310 (ASM_SPEC): Pass down -mshared and -mno-shared.
12311 (MIPS_CALL): New macro.
12312 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12314 * doc/invoke.texi (-mabicalls): Update documentation.
12315 (-mshared): Document.
12317 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12319 * config/ia64/unwind-hpux.c: New file.
12320 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12322 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12325 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12327 2006-03-21 Jeff Law <law@redhat.com>
12329 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12330 type conversions of a VR_VARYING source to a wider type.
12332 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12334 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12335 tm_file on Solaris 10 and later.
12336 (sparc64-*-solaris2*): Likewise.
12337 (sparc-*-solaris2*): Likewise.
12338 * config/sol26.h: Rename to config/sol2-6.h.
12339 * config/sol2-10.h: New file.
12341 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12344 * tree-ssa-pre.c (create_component_ref_by_pieces):
12347 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12350 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12351 return it immediately.
12353 2006-03-21 Michael Matz <matz@suse.de>
12355 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12357 (remove_arc, add_arc): Update num_out_arcs member.
12358 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12360 (cache_presence): New function.
12361 (compare_states_for_equiv): New function.
12362 (state_is_differed): Don't take number of outargs, adjust callers.
12363 Use new invariant for speeding up.
12364 (init_equiv_class): Create initial classes based on sorted
12366 (partition_equiv_class): Don't track out_arcs_num.
12367 (evaluate_equiv_classes): Call cache_presence on all states and
12370 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12372 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12373 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12374 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12375 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12377 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12378 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12379 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12380 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12381 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12383 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12384 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12385 (REGNO_REG_CLASS): ARGP is in PREGS.
12386 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12388 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12389 to deal with those addresses.
12390 * addresses.h: New file.
12391 * caller-save.c: Include "addresses.h".
12392 (init_caller_save): Use new base_reg_class function.
12393 * rtl-factoring.c: Include "addresses.h".
12394 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12395 * recog.c: Include "addresses.h".
12396 (preprocess_constraints): Use new base_reg_class function.
12397 * regrename.c: Include "addresses.h".
12398 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12399 functions. Keep track of a new var INDEX_CODE to compute valid
12401 (replace_oldest_value_addr): Likewise.
12402 (replace_oldest_value_mem): Use base_reg_class.
12403 * reload.c: Include "addresses.h".
12404 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12405 (find_reloads): Use new base_reg_class function.
12406 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12407 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12408 all callers and prototype changed.
12409 * reload1.c: Include "addresses.h".
12410 (maybe_fix_stack_asms): Use base_reg_class.
12411 * regclass.c: Include "addresses.h".
12412 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12413 (init_reg_autoinc): Use new base_reg_class function.
12414 (record_reg_classes): Likewise.
12415 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12416 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12417 Use new args to compute necessary class.
12419 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12420 regrename.o, rtl-factoring.o): Update dependencies.
12421 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12422 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12423 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12424 REG_OK_FOR_INDEX_P): Delete documentation.
12426 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12428 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12429 from V7 to V9 for Solaris 7 and above.
12431 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12433 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12434 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12435 argument pointers may not alias any other storage.
12436 * common.opt: Define option -fargument-noalias-anything.
12437 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12438 alias semantics is specified by flag_argument_noalias > 2.
12440 2006-03-20 Jeff Law <law@redhat.com>
12442 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12443 (pass_phi_only_cprop): Declare.
12444 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12445 with phi_only_cprop
12446 * tree-ssa-dom.c (degenerate_phi_result): New function.
12447 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12448 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12449 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12450 (eliminate_degenerate_phis): Likewise.
12451 (pass_phi_only_cprop): New pass descriptor.
12452 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12453 support code. Callers updated.
12454 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12455 (store_copy_prop): Likewise.
12456 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12458 2006-03-20 Jason Merrill <jason@redhat.com>
12461 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12462 (push_visibility, pop_visibility): Likewise.
12463 * c-pragma.h: Declare them.
12465 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12467 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12469 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12470 parameter and use get_ebb_head_tail.
12471 (sh_md_init_global): Adjust uses of find_regmode_weight.
12473 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12475 * function.h (struct function) <x_tail_recursion_reentry>:
12476 Rename to x_stack_check_probe_note.
12477 (tail_recursion_reentry): Rename to stack_check_probe_note.
12478 * function.c: Replace tail_recursion_reentry with
12479 stack_check_probe_note everywhere.
12480 (expand_function_start): Only emit a note for
12481 stack_check_probe_note with -fstack-protect.
12482 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12484 * emit-rtl.c (remove_unnecessary_notes): Remove.
12485 (pass_remove_unnecessary_notes): Remove.
12486 * rtl.h (remove_unnecessary_notes): Remove prototype.
12487 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12488 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12489 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12491 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12494 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12495 (valid_in_set): Handle ARRAY_REF.
12496 Change "if min_variant or VH" to asserts.
12497 (create_component_ref_by_pieces): Handle ARRAY_REF.
12498 (create_expression_by_pieces): Likewise.
12499 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12501 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12503 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12504 is operand of switch, not str[0].
12506 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12508 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12509 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12511 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12513 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12514 end of insn_extra_address_constraint declaration.
12516 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12518 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12519 (no-sum-in-toc): Same.
12520 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12522 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12523 NO_FP_IN_TOC for -fPIC instead of mask.
12525 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12526 (BOOT_LDFLAGS): Delete.
12528 * config/rs6000/t-aix52: Same.
12530 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12531 (stmsi[345678]_power): New.
12533 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12535 * config/ia64/ia64.opt: Add empty line to end of file.
12537 2006-03-17 Richard Guenther <rguenther@suse.de>
12539 PR middle-end/26721
12540 * builtins.c (get_pointer_alignment): For component style references
12541 adjust alignment to the component type alignment. Make sure
12542 to adjust alignment for component access of constants.
12544 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12546 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12547 unconditional jump.
12549 2006-03-17 Paul Brook <paul@codesourcery.com>
12551 * doc/install.texi: Docuemnt --with-mode.
12552 * config.gcc: Add --with-mode for arm*-*-*.
12553 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12555 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12557 * sh.c (max_labelno_before_reorg): New variable.
12558 (sh_reorg): Initialize it.
12559 (find_barrier): Check max_labelno_before_reorg before using
12560 label_to_alignment. Take length of explicit alignment insns
12561 into account. When seeing a UNSPECV_CONST_END, return it.
12563 * sh.c (fixup_mova): Set mode of affected label to QImode.
12564 (untangle_mova): New function.
12565 (find_barrier): Use it. Check mode of label before decrementing
12567 (sh_reorg): Likewise.
12568 Set mode of all insns back to VOIDmode.
12570 * sh.c (MOVA_LABELREF): New macro.
12571 (mova_p, fixup_mova, sh_reorg): Use it.
12572 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12573 ADDR_DIFF_VEC matches mova.
12575 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12577 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12578 with ATTRIBUTE_UNUSED.
12580 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12582 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12583 pointer, instead of assuming it is possible to derive the
12584 correct args size from a call insn.
12586 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12588 * rtl.h (CONST_INT_P): Define.
12589 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12590 instead of GET_CODE(x) == CONST_INT.
12591 (vax_rtx_costs): Likewise.
12592 (vax_output_int_move): Likewise.
12593 (vax_output_int_add): Likewise.
12594 (legitimate_constant_address_p): Likewise.
12595 (index_term_p): Likewise.
12596 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12597 * config/vax/vax.md (and<mode>3): Likewise.
12598 (ashrsi3): Likewise.
12600 (movstricthi): Likewise.
12601 (movstrictqi): Likewise.
12602 (rotrsi3): Likewise.
12603 (five unnamed insns): Likewise.
12605 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12607 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12608 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12609 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12610 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12611 Pass to ASM_OUTPUT_DWARF_OFFSET.
12612 * dwarf2out.c (debug_frame_section): New.
12613 (output_call_frame_info): Use debug_frame_section. Pass it to
12614 dw2_asm_output_offset.
12615 (output_die): Pass appropriate section to dw2_asm_output_offset.
12616 (output_compilation_unit_header): Likewise.
12617 (output_pubnames): Likewise.
12618 (output_aranges): Likewise.
12619 (enum dw_val_class): Break dw_val_class_lbl_offset into
12620 dw_val_class_lineptr and dw_val_class_macptr.
12621 (add_AT_lbl_offset): Delete.
12622 (add_AT_lineptr): New.
12623 (add_AT_macptr): New.
12624 (AT_lbl): Expect a lineptr or macptr.
12625 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12626 (attr_checksum): Likewise.
12627 (same_dw_val_p): Likewise.
12628 (size_of_die): Likewise.
12629 (value_format): Likewise.
12630 (output_die): Likewise.
12631 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12633 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12634 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12635 * config/darwin-protos.h (darwin_file_start): New.
12636 (darwin_asm_output_dwarf_offset): New.
12637 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12638 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12640 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12641 if not EH section; simplify.
12642 (darwin_file_start): New.
12643 (darwin_asm_output_dwarf_offset): New.
12644 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12646 (DEBUG_INFO_SECTION): Likewise.
12647 (DEBUG_ABBREV_SECTION): Likewise.
12648 (DEBUG_ARANGES_SECTION): Likewise.
12649 (DEBUG_MACINFO_SECTION): Likewise.
12650 (DEBUG_LINE_SECTION): Likewise.
12651 (DEBUG_LOC_SECTION): Likewise.
12652 (DEBUG_PUBNAMES_SECTION): Likewise.
12653 (DEBUG_STR_SECTION): Likewise.
12654 (DEBUG_RANGES_SECTION): Likewise.
12655 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12656 (ASM_OUTPUT_DWARF_OFFSET): New.
12658 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12660 * config.gcc (tm_defines): Always add to previous value rather
12663 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12665 * config/mips/predicates.md (splittable_const_int_operand): New,
12666 split from move_operand.
12667 (splittable_symbolic_operand): New.
12668 (move_operand): Add commentary. Use splittable_const_int_operand.
12669 Inline mips_atomic_symbolic_constant_p.
12670 * config/mips/mips.md: Add combine splitters for handling moves
12671 of splittable_const_int_operands and splittable_symbolic_operands.
12672 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12673 (mips_split_symbol): Declare.
12674 (mips_move_integer): Declare.
12675 * config/mips/mips.c (mips_split_p): Make global.
12676 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12677 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12678 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12679 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12680 (mips_offset_within_object_p): Handle block symbols.
12681 (mips_atomic_symbolic_constant_p): Delete.
12682 (mips_cannot_force_const_mem): Return false for constants that
12683 mips_legitimize_move can handle.
12684 (mips_use_blocks_for_constant_p): New function.
12685 (mips_split_symbol): Make global.
12686 (mips_move_integer): Likewise. Add a temporary register argument.
12687 (mips_legitimize_const_move): Use splittable_const_int_operand and
12688 splittable_symbolic_operand.
12689 (mips_use_anchors_for_symbol_p): New function.
12690 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12691 (mips_split_p): Declare.
12693 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12695 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12696 (mips*-*-linux*): Likewise.
12698 2006-03-16 Roger Sayle <roger@eyesopen.com>
12699 Daniel Speyer <dspeyer@wam.umd.edu>
12701 PR middle-end/18259
12702 * tree-dump.c (dump_real): New function.
12703 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12704 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12705 (tree-dump.o): Add $(REAL_H) to the dependencies.
12707 2006-03-16 Roger Sayle <roger@eyesopen.com>
12709 PR middle-end/21781
12710 * real.c (real_from_string): If the mantissa is zero, don't bother
12711 parsing the exponent as the result should always be zero.
12713 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12715 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12717 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12719 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12720 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12721 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12722 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12723 ia64_sched_finish_global): New static functions to implement
12724 hooks from gcc_target.sched.
12725 (spec_check_no, max_uid, pending_data_specs): New static variables.
12726 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12727 ia64_spec_check_src_p): New static functions.
12728 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12729 (TARGET_SCHED_ADJUST_COST): Removed.
12730 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12731 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12732 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12733 TARGET_SCHED_GEN_CHECK,
12734 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12735 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12736 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12737 Fixed to handle speculation checks.
12738 (rtx_needs_barrier): Fixed to handle speculative loads and
12740 (ia64_variable_issue): Added code to count speculative loads and their
12742 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12744 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12746 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12748 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12749 (ia64_reorg): Reset stops_p to NULL after it is freed.
12750 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12751 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12752 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12754 (data_speculative, control_speculative, check_load): New attributes.
12755 (mov<mode>_advanced, mov<mode>_speculative,
12756 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12757 zero_extend<mode>di2_speculative,
12758 zero_extend<mode>di2_speculative_advanced): New patterns for
12759 data and control speculative loads.
12760 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12762 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12763 New pattern for data and control speculation checks.
12764 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12765 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12766 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12767 Auxiliary definitions for the patterns.
12768 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12769 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12771 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12773 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12774 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12775 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12776 New resource constraints.
12777 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12779 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12780 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12781 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12782 msched-in-control-spec, msched-ldc, msched-control-ldc,
12783 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12784 msched-prefer-non-control-spec-insns,
12785 msched-count-spec-in-critical-path): New flags to tune speculative
12787 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12788 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12789 msched-in-control-spec, msched-ldc, msched-control-ldc,
12790 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12791 msched-prefer-non-control-spec-insns,
12792 msched-count-spec-in-critical-path): Document new flags.
12794 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12796 * target.h (struct spec_info_def): New opaque declaration.
12797 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12798 speculate_insn, needs_block_p, gen_check,
12799 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12800 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12801 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12802 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12803 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12804 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12806 (TARGET_SCHED): Use new macros.
12807 * rtl.h (copy_DEPS_LIST_list): New prototype.
12808 * sched-int.h (struct sched_info): Change signature of new_ready field,
12809 adjust all initializations. New fields: add_remove_insn,
12810 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12811 region_head_or_leaf_p.
12812 (struct spec_info_def): New structure declaration.
12813 (spec_info_t): New typedef.
12814 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12815 recovery_block, orig_pat.
12816 (glat_start, glat_end): New variables declaraions.
12817 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12819 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12820 DETACH_LIFE_INFO, USE_GLAT.
12821 (enum SPEC_SCHED_FLAGS): New enumeration.
12822 (NOTE_NOTE_BB_P): New macro.
12823 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12824 attach_life_info, debug_spec_status, check_reg_live): New functions.
12825 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12826 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12828 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12829 * ddg.c (get_block_head_tail): Adjust all uses.
12830 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12831 (sms_sched_info): Initialize new fields.
12832 (contributes_to_priority): Removed.
12833 * haifa-sched.c (params.h): New include.
12834 (get_block_head_tail): Adjust all uses.
12835 (ISSUE_POINTS): New macro.
12836 (glat_start, glat_end): New global variables.
12837 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12838 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12839 old_last_basic_block, before_recovery, current_sched_info_var,
12840 rgn_n_insns, luid): New static variables.
12841 (insn_cost1): New function. Move logic from insn_cost to here.
12842 (find_insn_reg_weight1): New function. Move logic from
12843 find_insn_reg_weight to here.
12844 (reemit_notes, move_insn, max_issue): Change signature.
12845 (move_insn1): Removed.
12846 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12847 extend_bb): New static functions to support extension of scheduler's
12849 (generate_recovery_code, process_insn_depend_be_in_spec,
12850 begin_speculative_block, add_to_speculative_block,
12851 init_before_recovery, create_recovery_block, create_check_block_twin,
12852 fix_recovery_deps): New static functions to support
12853 generation of recovery code.
12854 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12855 restore_bb_notes, move_block_after_check, move_succs): New static
12856 functions to support ebb scheduling.
12857 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12858 functions to support handling of register live information.
12859 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12860 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12861 add_jump_dependencies): New static functions.
12862 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12863 consistancy checking.
12864 (debug_spec_status): New function to call from debugger.
12865 (priority): Added code to handle speculation checks.
12866 (rank_for_schedule): Added code to distinguish speculative instructions.
12867 (schedule_insn): Added code to handle speculation checks.
12868 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12869 Fixed to handle ebbs.
12870 (move_insn): Added code to handle ebb scheduling.
12871 (max_issue): Added code to use ISSUE_POINTS of instructions.
12872 (choose_ready): Added code to choose between speculative and
12873 non-speculative instructions.
12874 (schedule_block): Added code to handle ebb scheduling and scheduling of
12875 speculative instructions.
12876 (sched_init): Initialize new variables.
12877 (sched_finish): Free new variables. Print statistics.
12878 (try_ready): Added code to handle speculative instructions.
12879 * lists.c (copy_DEPS_LIST_list): New function.
12880 * sched-deps.c (extend_dependency_caches): New function. Move logic
12881 from create_dependency_caches to here.
12882 (get_dep_weak, ds_merge): Make global.
12883 * genattr.c (main): Code to output prototype for
12884 dfa_clear_single_insn_cache.
12885 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12886 (output_dfa_clean_insn_cache_func): Code to output
12887 dfa_clear_single_insn_cache function.
12888 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12890 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12892 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12893 New static variables.
12894 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12895 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12897 (ebb_sched_info): Initialize new fields.
12898 (get_block_head_tail): Adjust all uses.
12899 (compute_jump_reg_dependencies): Fixed to use glat_start.
12900 (schedule_ebb): Code to remove unreachable last block.
12901 (schedule_ebbs): Added code to update register live information.
12902 * sched-rgn.c (region_sched_info): Initialize new fields.
12903 (get_block_head_tail): Adjust all uses.
12904 (last_was_jump): Removed. Adjust users.
12905 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12906 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12907 Implement new hooks.
12908 (check_dead_notes1): New static function.
12909 (struct region): New fields: dont_calc_deps, has_real_ebb.
12910 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12911 (BB_TO_BLOCK): Fixed to handle EBBs.
12912 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12913 (ebb_head): New static variable.
12914 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12915 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12917 (compute_dom_prob_ps): New assertion.
12918 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12919 global_live_at_start.
12920 (init_ready_list): New assertions.
12921 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12922 (new_ready): Add support for BEGIN_CONTROL speculation.
12923 (schedule_insns): Fixed code that updates register live information
12925 (schedule_region): Fixed to handle EBBs.
12926 (init_regions): Use extend_regions and check_dead_notes1.
12927 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12928 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12929 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12930 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12931 TARGET_SCHED_GEN_CHECK,
12932 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12933 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12934 * doc/invoke.texi (max-sched-insn-conflict-delay,
12935 sched-spec-prob-cutoff): Document.
12937 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12939 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12940 inter_tick, queue_index.
12941 (struct sched_info): Change signature of init_ready_list field.
12942 Adjust all initializations.
12943 (RESOLVED_DEPS): New access macro.
12944 (ready_add): Remove prototype.
12945 (try_ready): Add prototype.
12946 * sched-rgn.c (init_ready_list): Use try_ready.
12947 (schedule_region): Initialize
12948 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12949 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12950 (init_ready_list): Use try_ready.
12951 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12952 * lists.c (remove_list_elem): Remove `static'.
12953 (remove_free_INSN_LIST_elem): New function.
12954 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12955 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12956 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12958 (readyp): New variable.
12959 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12960 change_queue_index, resolve_dep): New static functions.
12961 (try_ready): New function. Adjust callers in sched-rgn.c and
12962 sched-ebb.c to use it instead of ready_add.
12963 (clock_var): Move at the begining of file.
12964 (rank_for_schedule): Fix typo.
12965 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12966 (ready_lastpos): Enforce assertion.
12967 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12968 update all callers.
12969 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12970 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12971 (queue_to_ready): Use free_INSN_LIST_list.
12972 (early_queue_to_ready): Fix typo.
12973 (schedule_block): Init readyp. Move init_ready_list call after the
12974 initialization of clock_var. Fix error in rejecting insn by
12975 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12976 that previously corrected INSN_TICKs. Add code for handling
12978 (set_priorities): Fix typo.
12979 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12980 Clarify comment and code that keeps current_sched_info->next_tail
12983 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12985 * sched-rgn.c (extend_rgns): New static function.
12986 (find_rgns): Use it.
12987 (gather_region_statistics, print_region_statistics): New static
12989 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12990 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12992 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12993 Andrey Belevantsev <abel@ispras.ru>
12995 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12996 * lists.c (unused_deps_list): New variable.
12997 (free_list): Add assertions to verify the proper distinguishing
12998 between INSN_LISTs and DEPS_LISTs.
12999 (find_list_elem, remove_list_elem, remove_list_node): New static
13001 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
13002 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
13003 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
13004 (alloc_INSN_LIST): Assert that the list we're working on is indeed
13006 (free_INSN_LIST_node): Likewise.
13007 * modulo-sched.c (current_sched_info): Initialize flags field.
13008 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
13009 * rtl.def (DEPS_LIST): Define.
13010 * rtl.h: Declare new functions from lists.c.
13011 * sched-deps.c (spec_dependency_cache): New static variable.
13012 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
13013 (add_dependence): Change return type to void. Move the logic to ...
13014 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
13015 (delete_all_dependences): Add comment about forward_dependency_cache.
13016 Handle spec_dependency_cache. Handle DEPS_LISTs.
13017 (fixup_sched_groups): Clarify the change of priority of output
13018 and anti dependencies.
13019 (sched_analyze_2): Adjust add_dependence calls to create data
13020 speculative dependence.
13021 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
13022 Adjust all callers. Handle DEPS_LISTS.
13023 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
13024 presence of speculation.
13025 (init_dependency_caches, free_dependency_caches):
13026 Handle spec_dependency_cache.
13027 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
13028 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
13029 New static functions.
13030 (add_or_update_back_dep, add_or_update_back_forw_dep,
13031 add_back_forw_dep, delete_back_forw_dep): New functions.
13032 * sched-int.h (ds_t, dw_t): New typedefs.
13033 (struct sched_info): Add new field flags.
13034 (struct haifa_insn_data): Add new bitfield has_internal_dep.
13035 Prototype new sched-deps.c functions.
13036 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
13037 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
13038 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
13039 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
13040 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
13041 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
13043 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
13045 * sched-rgn.c (current_sched_info): Initialize flags field.
13046 (schedule_insns): Initialize current_sched_info before the sched_init
13048 * sched-ebb.c (current_sched_info): Initialize flags field.
13049 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
13050 Call add_or_update_back_dep instead of add_dependence.
13051 Create control speculative dependencies.
13052 (schedule_insns): Initialize current_sched_info before the sched_init
13055 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
13057 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
13059 (sh_fallback_frame_state): Likewise.
13061 2006-03-15 Geoffrey Keating <geoffk@apple.com>
13063 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
13064 Do switch on default_use_cxa_atexit.
13065 (powerpc*-*-darwin*): Build crt2.o on powerpc.
13066 * config/darwin-crt3.o: New.
13067 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
13068 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
13069 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
13071 * config/rs6000/t-darwin: Move crt2.o building to here.
13072 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
13073 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
13076 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13078 * config/vax/vax.c (nonindexed_address_p): Change logical negation
13079 from '! xxx' to '!xxx' for coding-style conformance.
13080 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
13081 (EXTRA_CONSTRAINT): Likewise.
13082 * config/vax/vax.md (four unnamed insns): Likewise.
13084 2006-03-15 Paul Brook <paul@codesourcery.com>
13086 * config/arm/arm.c (minipool_pad): New.
13087 (add_minipool_forward_ref): Include pool alignment padding in address
13089 (push_minipool_fix): Set minipool_pad.
13090 (minipool_pad): Ditto.
13092 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13094 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13095 instead of GET_CODE() == MEM and REG_P() instead of
13097 (print_operand_address): Likewise.
13098 (vax_address_cost): Likewise.
13099 (vax_rtx_costs): Likewise.
13100 (vax_notice_update_cc): Likewise.
13101 (vax_output_int_add): Likewise.
13102 (INDEX_REGISTER_P): Likewise.
13103 (BASE_REGISTER_P): Likewise.
13104 (nonindexed_address_p): Likewise.
13105 (vax_mode_dependent_address_p): Likewise.
13106 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13107 (PRINT_OPERAND): Likewise.
13108 * config/vax/vax.md (ashlsi3): Likewise.
13109 (ashlsi3): Likewise.
13110 (some more unnamed insns): Likewise.
13112 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13114 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13115 iterator-style macro.
13116 (mark_control_dependent_edges_necessary): Update the use of
13117 EXECUTE_IF_CONTROL_DEPENDENT.
13119 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13121 * config/sh/predicates.md (cache_address_operand): Special.
13122 (ua_address_operand): Likewise.
13124 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13126 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13128 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13130 2006-03-15 Andreas Schwab <schwab@suse.de>
13132 * gensupport.c (identify_predicable_attribute): Don't free p_false
13133 when it is still in use.
13135 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13137 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13138 the default setting here.
13140 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13142 * tree-pass.h (pass_cfg): Remove.
13143 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13144 * passes.c (pass_cfg): Don't run it.
13146 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13148 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13149 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13151 (stack_regs_mentioned): Update the uses of
13152 stack_regs_mentioned_data. Don't access the array beyond its
13154 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13155 Don't include gt-reg-stack.h.
13157 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13158 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13160 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13162 PR middle-end/26684
13163 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13166 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13168 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13170 2006-03-14 Richard Guenther <rguenther@suse.de>
13172 PR tree-optimization/26672
13173 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13176 2006-03-14 Richard Guenther <rguenther@suse.de>
13178 PR tree-optimization/26667
13179 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13180 node for the callees. Always allow inlining if it will shrink
13183 2006-03-14 Richard Guenther <rguenther@suse.de>
13185 PR middle-end/26659
13186 * builtins.c (get_pointer_alignment): Prefer alignment
13187 information from decls over that from types.
13189 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13192 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13194 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13196 * config/rs6000/rs6000.opt (mdlmzb): New option.
13197 (msched-prolog, msched-epilog): Use Var not Mask.
13198 * doc/invoke.texi (-mdlmzb): Document.
13199 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13201 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13202 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13204 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13206 PR rtl-optimization/25739
13207 * bt-load.c (augment_live_range): Free tos pointer.
13209 * gensupport.c (identify_predicable_attribute): Free
13211 * gcov.c (create_file_names): Free name pointer.
13213 2006-03-13 Roger Sayle <roger@eyesopen.com>
13215 PR middle-end/26557
13216 * stmt.c (emit_case_nodes): Handle the case where the index is a
13217 CONST_INT, where the comparison mode is specified by the index type.
13219 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13221 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13224 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13226 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13227 (*branch_fp_inverted): Likewise.
13229 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13231 PR middle-end/25989
13232 * omp-low.c (expand_omp_for_generic): Mark istart0
13233 and iend0 as addressable.
13235 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13237 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13239 2006-03-13 Jeff Law <law@redhat.com>
13241 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13242 virtual operands are interesting.
13243 (vrp_visit_stmt): Corresponding changes.
13245 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13247 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13249 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13250 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13251 * config/bfin/crti.S: Use it instead of __PIC__.
13252 * config/bfin/crtn.S: Likewise.
13254 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13255 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13257 Lose 'G' modifier for call operand.
13258 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13259 recognize 'G' modifier.
13261 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13263 PR middle-end/18859
13264 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13265 * stmt.c (expand_case): Likewise.
13267 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13269 PR rtl-optimization/26254
13270 * loop-invariant.c (seq_insns_valid_p): New function.
13271 (move_invariant_reg): Only emit new code if it is valid.
13273 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13275 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13277 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13278 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13279 (commit_one_edge_insertion): Do not look for loop notes.
13281 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13283 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13284 flag_test_coverage out of loop.
13286 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13288 * final.c (shorten_branches): Remove outdated comment, and turn
13289 the if branch that guards it to continue.
13291 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13293 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13294 * cfgloop.h (struct loop): Remove unused fields.
13296 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13298 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13299 (-dL, -fdump-rtl-loop2): Update the dump file names
13301 * doc/invoke.texi: Update dump file names.
13303 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13305 * predict.c (estimate_probability): Remove.
13306 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13307 * basic-block.h (estimate_probability): Remove prototype.
13308 * passes.c (finish_optimization_passes): Dump branch prediction or
13309 profiling heuristics to the .profile tree dump.
13310 (init_optimization_passes): Unqueue pass_branch_prob.
13312 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13314 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13316 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13317 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13319 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13321 * function.h (frame_offset_overflow): Declare.
13322 * function.c (frame_offset_overflow): New function.
13323 (assign_stack_local_1): Call it to detect that the offset overflows.
13324 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13326 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13328 * config/sh/sh.c: Include alloc-pool.h.
13329 (label_ref_list_pool): New alloc pool.
13330 (label_ref_list_t): New type for lists of labels.
13331 (struct pool_node): Make wend a label_ref_list_t.
13332 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13334 (dump_table): Likewise.
13335 (sh_reorg): Set up the alloc pool before using add_constant and
13336 dump_table, and destroy it when finishing.
13338 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13340 * config/mips/mips.c: Remove redundant comment.
13342 2006-03-10 Jason Merrill <jason@redhat.com>
13345 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13346 the target was declared 'register'.
13348 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13350 * genpreds.c (write_insn_constraint_len): Change definition of
13351 insn_constraint_len to return size_t to match the declaration.
13353 2006-03-10 DJ Delorie <dj@redhat.com>
13355 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13357 (m32c_expand_insv): Fix test for an AND mask.
13359 2006-03-10 Richard Guenther <rguenther@suse.de>
13361 PR middle-end/26565
13362 * builtins.c (get_pointer_alignment): Handle component
13363 references for field alignment.
13365 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13367 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13368 when building with libgloss.
13369 (sh*elf): Implement --without-fp option.
13370 (sh64-superh-linux*): Don't multilib.
13372 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13374 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13376 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13378 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13379 Set it when one of the replacement functions returned true.
13380 Return TODO_cleanup_cfg if cfgchanged is true.
13381 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13383 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13385 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13386 instead of gen_lowpart.
13388 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13390 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13392 (mips_output_order_conditional_branch): Declare.
13393 * config/mips/mips.h (MIPS_BRANCH): New macro.
13394 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13395 for the comparison. Use gen_condjump.
13396 (mips_output_conditional_branch): Rework interface to take the
13397 asm templates for a direct branch and the inverse of a direct branch.
13398 (mips_output_order_conditional_branch): New function.
13399 (mips_builtin_branch_and_move): New function.
13400 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13401 branch condition. Use gen_single_cc as the condition for
13402 __builtin_mips_upper_* or __builtin_mips_lower_*.
13403 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13404 Use VOIDmode for the branch condition.
13405 * config/mips/predicates.md (order_operator): New predicate.
13406 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13407 (branch_fp): Rename to...
13408 (*branch_fp): ...this. Remove mode from comparison operator.
13409 Use new mips_output_conditional_branch interface.
13410 (branch_fp_inverted): Rename to...
13411 (*branch_fp_inverted): ...this and update as for *branch_fp.
13412 (*branch_zero<mode>): Rename to...
13413 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13414 Use mips_output_order_conditional_branch. Only accept ordered
13416 (*branch_zero<mode>_inverted): Rename to...
13417 (*branch_order<mode>_inverted): ...this and update as for
13418 *branch_order<mode>.
13419 (*branch_equality<mode>): Accept zero as the second operand to
13420 the equality operator. Use the new mips_output_conditional_branch
13422 (*branch_equality<mode>_inverted): Likewise.
13423 (condjump): New expander.
13424 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13426 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13427 (bc1any2t, bc1any2f): Likewise.
13428 (single_cc): New expander.
13429 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13431 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13433 * doc/md.texi: Update documentation of MIPS constraints.
13434 * config/mips/constraints.md: New file.
13435 * config/mips/mips.md: Include it.
13436 * config/mips/mips.c (mips_char_to_class): Delete.
13437 (override_options): Don't initialize mips_char_to_class.
13438 * config/mips/mips.h (mips_char_to_class): Delete.
13439 (REG_CLASS_FROM_LETTER): Delete.
13440 (CONST_OK_FOR_LETTER_P): Delete.
13441 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13442 (EXTRA_CONSTRAINT_Y): Delete.
13443 (EXTRA_CONSTRAINT_STR): Delete.
13444 (CONSTRAINT_LEN): Delete.
13445 (EXTRA_MEMORY_CONSTRAINT): Delete.
13447 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13449 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13450 original fn's eh regions.
13452 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13454 * fold-const.c (build_range_check): Make sure to use a valid type to
13455 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13458 (range_predecessor): New static function.
13459 (range_successor): Likewise.
13460 (merge_ranges): Use them to compute predecessors and successors of
13463 2006-03-09 Roger Sayle <roger@eyesopen.com>
13465 PR middle-end/26561
13466 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13467 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13469 2006-03-08 DJ Delorie <dj@redhat.com>
13471 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13472 (addpsi3): Expand to include memory operands. Remove
13473 reload-specific splits.
13474 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13475 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13476 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13477 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13478 (shift1_qi, shift1_hi, insv): New.
13479 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13480 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13481 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13483 * config/m32c/m32c-protos.h: Update as needed.
13484 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13485 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13486 Fail for unrecognized R* constraints.
13487 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13488 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13489 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13491 (m32c_init_libfuncs): New.
13492 (m32c_legitimate_address_p): Add debug wrapper.
13493 (m32c_rtx_costs): New.
13494 (m32c_address_cost): New.
13495 (conversions): Add 'B' prefix.
13496 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13497 operands, or word regnames for QI operands. 'B' prints bit
13499 (m32c_expand_setmemhi): New.
13500 (m32c_expand_movmemhi): New.
13501 (m32c_expand_movstr): New.
13502 (m32c_expand_cmpstr): New.
13503 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13504 (m32c_expand_neg_mulpsi3): Handle non-ints.
13505 (m32c_cmp_flg_0): New.
13506 (m32c_expand_movcc): New.
13507 (m32c_expand_insv): New.
13508 (m32c_scc_pattern): New.
13509 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13510 a0/a1 out of SIregs.
13511 (STORE_FLAG_VALUE): New.
13512 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13515 * config/m32c/mov.md: Make constraints more liberal.
13516 (zero_extendqihi2): Optimize r0/r1 case.
13517 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13518 * config/m32c/predicates.md (m32c_any_operand): New.
13519 (m32c_nonimmediate_operand): New.
13520 (m32c_hl_operand): New.
13521 (m32c_r3_operand): New.
13524 (memsym_operand): New.
13525 (memimmed_operand): New.
13526 (a_qi_operand): New.
13527 (m32c_eqne_operator): New.
13528 (m32c_1bit8_operand): New.
13529 (m32c_1bit16_operand): New.
13530 (m32c_1mask8_operand): New.
13531 (m32c_1mask16_operand): New.
13532 * config/m32c/blkmov.md: New file.
13533 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13535 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13537 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13538 unsigned to fix signed/unsigned comparison issue in
13539 DWARF2_FRAME_REG_OUT.
13540 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13541 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13543 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13544 of ptr into the ENABLE_CHECKING section.
13546 2006-03-08 Jeff Law <law@redhat.com>
13548 * tree-vrp.c (infer_value_range): Only count pointer uses
13549 and dereferences if -fdelete-null-pointer-checks is enabled.
13551 * tree-vrp.c (find_assert_locations): Infer value ranges for
13552 single use pointers, but do not create ASSERT_EXPRs for them.
13553 When a non-null range is inferred for a pointer, backwards
13554 propagate that range to other equivalent pointers through the
13557 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13560 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13561 language hook targets.
13562 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13563 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13564 if language hook targets were missing.
13566 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13568 * tree-ssa-opfinalize.h: Removed.
13569 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13571 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13572 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13573 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13574 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13575 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13576 finalize_ssa_v_must_def_ops): New.
13578 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13580 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13581 block as parameter.
13583 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13585 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13587 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13588 addresses with offsets; reorganize.
13590 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13591 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13592 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13594 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13597 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13599 2006-03-08 Ben Elliston <bje@au.ibm.com>
13601 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13603 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13606 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13609 2006-03-07 Richard Guenther <rguenther@suse.de>
13611 PR tree-optimization/26587
13612 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13614 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13616 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13618 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13620 * hooks.c (hook_bool_mode_rtx_true): New function.
13621 * hooks.h (hook_bool_mode_rtx_true): Declare.
13622 * toplev.c (compile_file): Call output_shared_constant_pool.
13623 * varasm.c (shared_constant_pool): New variable.
13624 (assemble_start_function, assemble_end_function): Remove arguments
13625 from call to output_constant_pool.
13626 (create_constant_pool): New function, split out from...
13627 (init_varasm_status): ...here.
13628 (force_const_mem): Choose between the shared and per-function constant
13629 pools. Set current_function_uses_const_pool when reusing old entries
13630 as well as when creating new ones.
13631 (mark_constant): Ignore data argument.
13632 (mark_constants): Remove pool argument.
13633 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13634 to decide whether the function uses a constant pool.
13635 (output_constant_pool_contents): New function, split out from...
13636 (output_constant_pool): ...here.
13637 (output_shared_constant_pool): New function.
13638 (init_varasm_once): Initialize shared_constant_pool.
13639 * output.h (output_constant_pool): Delete.
13640 (output_shared_constant_pool): Declare.
13641 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13642 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13644 2006-03-06 Nick Clifton <nickc@redhat.com>
13646 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13647 flag_strength_reduce.
13649 2006-03-06 Ben Elliston <bje@au.ibm.com>
13651 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13652 x86_64-*-linux* configurations.
13654 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13655 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13657 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13659 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13661 * basic-block.h: Remove the extern for
13662 rediscover_loops_after_threading.
13664 * cfgloop.c (cancel_loop): Make it static.
13665 * cfgloop.h: Remove the prototype for cancel_loop.
13667 * flow.c (recompute_reg_usage): Make it static.
13668 * rtl.h: Remove the prototype for recompute_reg_usage.
13670 * function.c (use_return_register): Make it static.
13671 * function.h: Remove the prototype.
13673 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13675 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13677 * recog.h: Remove the prototype for
13678 validate_change_maybe_volatile.
13680 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13682 * rtlanal.c (replace_reg): Remove.
13683 * rtl.h: Remove the prototype for replace_reg.
13685 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13687 * regclass.c (reg_scan_update): Remove.
13688 (reg_scan_mark_refs): Remove the last argument.
13689 * rtl.h: Remove the prototype for reg_scan_update.
13691 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13693 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13694 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13695 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13696 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13697 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13698 loop-invariant.c, omp-low.c, opts.c, passes.c,
13699 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13700 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13701 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13702 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13703 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13704 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13706 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13708 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13709 * dwarf2out.h: Remove the prototype for
13710 dwarf2out_add_library_unit_info.
13712 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13714 * tree.c (add_var_to_bind_expr): Remove.
13715 * tree.h: Remove the prototype for add_var_to_bind_expr.
13717 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13719 * regclass.c (n_non_fixed_regs): Remove.
13720 (init_reg_sets_1, globalize_reg): Remove all uses of
13722 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13724 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13726 * rtlanal.c (insns_safe_to_move_p): Remove.
13727 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13729 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13731 * expmed.c (expand_mult_add): Remove.
13732 * expr.h: Remove the prototype for expand_mult_add.
13734 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13736 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13737 and REG_SAVED_VAL_EXP constants.
13738 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13739 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13740 Handle regs stored by value.
13741 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13742 (execute_cfa_program): Handle DW_CFA_val_offset,
13743 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13744 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13745 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13746 (uw_install_context_1): Handle target regs stored by value.
13748 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13750 * tree-sra.c (tree_sra): Return todoflags;
13751 (generate_one_element): Set TODO_update_smt_usage if needed.
13752 (pass_sra): Remove TODO_update_smt_usage.
13753 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13755 (tree_ssa_forward_propagate_single_use_vars): Return
13756 TODO_update_smt_usage if we need to update SMT usage.
13757 (pass_forwprop): Remove TODO_update_smt_usage.
13759 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13761 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13762 (correct_use_link): Remove reference to get_stmt_operands.
13763 (update_stmt_operands): Likewise.
13764 (get_modify_expr_operands): New function factored out of
13765 parse_ssa_operands and get_expr_operands.
13766 Try to create V_MUST_DEFs for LHS by default.
13767 (get_expr_operands) <case MODIFY_EXPR>: Call
13768 get_modify_expr_operands.
13769 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13770 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13771 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13772 get_modify_expr_operands.
13774 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13776 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13777 * tree-flow.h: Remove the prototype for
13778 referenced_var_lookup_if_exists.
13780 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13782 PR rtl-optimization/26345
13784 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13786 2006-03-03 Roger Sayle <roger@eyesopen.com>
13788 PR tree-optimization/26524
13789 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13790 fold_convert to create a constant of the appropriate type.
13792 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13794 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13795 SYMBOL_REF_IN_BLOCK_P.
13796 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13797 of SYMBOL_FLAG_IN_BLOCK.
13798 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13799 instead of SYMBOL_REF_IN_BLOCK_P.
13800 * explow.c (use_anchored_address): Likewise.
13801 * rtl.c (rtx_size): Likewise.
13802 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13803 instead of SYMBOL_FLAG_IN_BLOCK.
13804 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13805 SYMBOL_REF_IN_BLOCK_P.
13806 (assemble_variable): Likewise.
13807 (output_constant_def_contents): Likewise.
13808 (output_constant_pool): Likewise.
13809 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13810 instead of SYMBOL_FLAG_IN_BLOCK.
13811 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13812 SYMBOL_REF_IN_BLOCK_P.
13813 (SYMBOL_REF_BLOCK): Likewise.
13814 (SYMBOL_REF_OFFSET): Likewise.
13815 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13816 SYMBOL_REF_IN_BLOCK_P.
13817 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13818 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13819 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13820 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13822 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13824 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13826 2006-03-02 Roger Sayle <roger@eyesopen.com>
13828 * simplify-rtx.c (simplify_unary_operation): When simplifying
13829 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13830 that we perform the right shift in the appropriate mode, and
13831 then extend or truncate the result to requested mode.
13833 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13835 * gengtype.c (main): Handle double_int type.
13836 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13837 * double-int.c: New file.
13838 * double-int.h: New file.
13839 * system.h: Include doubleint.h.
13840 * Makefile.in (SYSTEM_H): Include double-int.h.
13841 (double-int.o): Add.
13843 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13846 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13849 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13851 * tree-vrp.c (remove_range_assertions): Do not update statements
13854 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13856 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13858 * gcse.c (rest_of_handle_gcse): Ditto.
13859 * except.c (gate_handle_eh): Ditto.
13860 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13861 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13863 2006-03-02 Eric Christopher <echristo@apple.com>
13865 * config/i386/i386.c (machopic_output_stub): Add indirection to
13868 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13872 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13874 Sun Niagara specific optimizations.
13875 * config.gcc: Recognize niagara as target.
13876 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13877 (TARGET_CPU_niagara): Define.
13878 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13879 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13880 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13881 (ASM_CPU_SPEC): Likewise.
13882 (PROCESSOR_NIAGARA): New enum entry.
13883 (REGISTER_MOVE_COST): Handle Niagara.
13884 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13885 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13886 (sparc_override_options): Recognize "niagara", set appropriate
13887 default MASK_* values for it, and align functions to 32-bytes
13888 by default just like ULTRASPARC/ULTRASPARC3.
13889 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13890 (sparc64_initialize_trampoline): Likewise.
13891 (sparc_use_sched_lookahead): Use zero for niagara.
13892 (sparc_issue_rate): Use one for niagara.
13893 * config/sparc/niagara.md: New file.
13894 * config/sparc/sparc.md: Include it.
13895 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13896 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13897 when default cpu is niagara.
13898 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13899 (ASM_CPU_SPEC): Likewise.
13900 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13901 when default cpu is niagara.
13902 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13903 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13904 just like v9/ultrasparc/ultrasparc3.
13905 * doc/invoke.texi: Add documentation for "niagara" and improve
13906 existing documentation for ultrasparc variants.
13908 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13910 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13912 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13914 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13915 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13916 and say that only one is needed.
13917 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13918 * target.h (have_switchable_bss_sections): New hook.
13919 * explow.c (use_anchored_address): Check that the symbol is in a block.
13920 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13921 (bss_noswitch_section): New variables.
13922 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13923 (get_noswitch_section): New function.
13924 (get_block_for_section): Allow SECT to be null.
13925 (unlikely_text_section_p): Use SECTION_STYLE.
13926 (bss_initializer_p): New function.
13927 (get_variable_section): Move earlier in file. Take a new argument,
13928 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13929 Return one of the new *_sections in such cases.
13930 (get_block_for_decl): New function, extracting some logic from
13931 use_blocks_for_decl_p.
13932 (change_symbol_section): Remove in favor of...
13933 (change_symbol_block): ...this new function.
13934 (use_blocks_for_decl_p): Remove checks now performed by
13935 get_block_for_decl.
13936 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13937 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13938 (emit_local, emit_bss, emit_common): ...these new functions.
13939 Return true if the alignment was honored.
13940 (emit_tls_common): New function.
13941 (asm_emit_uninitialised): Delete.
13942 (assemble_variable_noswitch): New function, split out from...
13943 (assemble_variable): ...here. Don't make decisions about common
13944 variables here. Globalize all public decls that go into non-common
13945 sections. Check whether SYMBOL_REF_BLOCK is null.
13946 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13947 (output_constant_pool): Likewise.
13948 (init_varasm_once): Initialize the new section variables.
13949 (have_global_bss_p): New function.
13950 (categorize_decl_for_section): Use bss_initializer_p.
13951 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13952 (place_block_symbol): Assert that the symbol must be in a block.
13953 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13954 (TARGET_INITIALIZER): Include it.
13955 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13956 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13957 (SECTION_MACH_DEP): Bump by two.
13958 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13959 (unnamed_section): Mention SECTION_UNNAMED in comment.
13960 (named_section): Likewise SECTION_NAMED.
13961 (noswitch_section_callback): New type.
13962 (noswitch_section): New structure.
13963 (section): Add a noswitch_section alternative.
13964 (SECTION_STYLE): New macro.
13965 (tls_comm_section, comm_section, lcomm_section): Declare.
13966 (bss_noswitch_section, have_global_bss_p): Declare.
13967 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13968 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13970 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13971 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13974 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13976 * tree-vrp.c (execute_vrp): Return value.
13977 * regrename.c (rest_of_handle_regrename): Ditto.
13978 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13979 * tree-complex.c (tree_lower_complex): Ditto.
13980 (tree_lower_complex_O0): Ditto.
13981 * tracer.c (rest_of_handle_tracer): Ditto.
13982 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13983 * postreload.c (rest_of_handle_postreload): Ditto.
13984 * tree-tailcall.c (execute_tail_recursion): Ditto.
13985 (execute_tail_calls): Ditto.
13986 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13987 * tree.h (init_function_for_compilation): Ditto.
13988 * ipa-cp.c (ipcp_driver): Ditto.
13989 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13990 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13991 * final.c (compute_alignments): Ditto.
13992 (rest_of_handle_final): Ditto.
13993 (rest_of_handle_shorten_branches): Ditto.
13994 (rest_of_clean_state): Ditto.
13995 * omp-low.c (execute_expand_omp): Ditto.
13996 (execute_lower_omp): Ditto.
13997 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13998 * ipa-reference.c (static_execute): Ditto.
13999 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
14000 * reorg.c (rest_of_handle_delay_slots): Ditto.
14001 (rest_of_handle_machine_reorg): Ditto.
14002 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
14003 * flow.c (recompute_reg_usage): Ditto.
14004 (rest_of_handle_remove_death_notes): Ditto.
14005 (rest_of_handle_life): Ditto.
14006 (rest_of_handle_flow2): Ditto.
14007 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
14008 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
14009 (do_ssa_store_ccp): Ditto.
14010 (execute_fold_all_builtins): Ditto.
14011 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
14012 * modulo-sched.c (rest_of_handle_sms): Ditto.
14013 * ipa-pure-const.c (static_execute): Ditto.
14014 * cse.c (rest_of_handle_cse): Ditto.
14015 (rest_of_handle_cse2): Ditto.
14016 * web.c (rest_of_handle_web): Ditto.
14017 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
14018 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
14019 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
14020 * tree-nrv.c (tree_nrv): Ditto.
14021 (execute_return_slot_opt): Ditto.
14022 * tree-ssa-alias.c (compute_may_aliases): Ditto.
14023 (create_structure_vars): Ditto.
14024 * loop-init.c (rtl_loop_init): Ditto.
14025 (rtl_loop_done): Ditto.
14026 (rtl_move_loop_invariants): Ditto.
14027 (rtl_unswitch): Ditto.
14028 (rtl_unroll_and_peel_loops): Ditto.
14029 (rtl_doloop): Ditto.
14030 * gimple-low.c (lower_function_body): Ditto.
14031 (mark_used_blocks): Ditto.
14032 * tree-ssa-sink.c (execute_sink_code): Ditto.
14033 * ipa-inline.c (cgraph_decide_inlining): Ditto.
14034 (cgraph_early_inlining): Ditto.
14035 * global.c (rest_of_handle_global_alloc): Ditto.
14036 * jump.c (cleanup_barriers): Ditto.
14037 (purge_line_number_notes): Ditto.
14038 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
14039 (rest_of_handle_if_after_reload): Ditto.
14040 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
14041 (tree_ssa_loop_im): Ditto.
14042 (tree_ssa_loop_unswitch): Ditto.
14043 (tree_vectorize): Ditto.
14044 (tree_linear_transform): Ditto.
14045 (tree_ssa_loop_ivcanon): Ditto.
14046 (tree_ssa_empty_loop): Ditto.
14047 (tree_ssa_loop_bounds): Ditto.
14048 (tree_complete_unroll): Ditto.
14049 (tree_ssa_loop_prefetch): Ditto.
14050 (tree_ssa_loop_ivopts): Ditto.
14051 (tree_ssa_loop_done): Ditto.
14052 * predict.c (tree_estimate_probability): Ditto.
14053 * recog.c (split_all_insns_noflow): Ditto.
14054 (rest_of_handle_peephole2): Ditto.
14055 (rest_of_handle_split_all_insns): Ditto.
14056 * tree-eh.c (lower_eh_constructs): Ditto.
14057 * regmove.c (rest_of_handle_regmove): Ditto.
14058 (rest_of_handle_stack_adjustments): Ditto.
14059 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
14060 * function.c (instantiate_virtual_regs): Ditto.
14061 (init_function_for_compilation): Ditto.
14062 (rest_of_handle_check_leaf_regs): Ditto.
14063 * gcse.c (rest_of_handle_jump_bypass): Ditto.
14064 (rest_of_handle_gcse): Ditto.
14065 * ipa-type-escape.c (type_escape_execute): Ditto.
14066 * alias.c (rest_of_handle_cfg): Ditto.
14067 * tree-if-conv.c (main_tree_if_conversion): Ditto.
14068 * profile.c (rest_of_handle_branch_prob): Ditto.
14069 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
14070 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
14071 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
14072 * tree-dfa.c (find_referenced_vars): Ditto.
14073 * except.c (set_nothrow_function_flags): Ditto.
14074 (convert_to_eh_region_ranges): Ditto.
14075 (rest_of_handle_eh): Ditto.
14076 * emit-rtl.c (unshare_all_rtl): Ditto.
14077 (remove_unnecessary_notes): Ditto.
14078 * except.h (set_nothrow_function_flags): Ditto.
14079 (convert_to_eh_region_ranges): Ditto.
14080 * cfgexpand.c (tree_expand_cfg): Ditto.
14081 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
14082 * tree-ssa-pre.c (do_pre): Ditto.
14083 (execute_fre): Ditto.
14084 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14085 (rest_of_handle_jump2): Ditto.
14086 * tree-sra.c (tree_sra): Ditto.
14087 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14088 (execute_mudflap_function_decls): Ditto.
14089 * tree-ssa-copy.c (do_copy_prop): Ditto.
14090 (do_store_copy_prop): Ditto.
14091 * ipa-prop.h (ipcp_driver): Ditto.
14092 * cfglayout.c (insn_locators_initialize): Ditto.
14093 * tree-ssa-forwprop.c
14094 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14095 * cfglayout.h (insn_locators_initialize): Ditto.
14096 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14097 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14098 (execute_late_warn_uninitialized): Ditto.
14099 * rtl.h (cleanup_barriers): Ditto.
14100 (split_all_insns_noflow): Ditto.
14101 (purge_line_number_notes): Ditto.
14102 (unshare_all_rtl): Ditto.
14103 (remove_unnecessary_notes): Ditto.
14104 (recompute_reg_usage): Ditto.
14105 (variable_tracking_main): Ditto.
14106 * integrate.c (emit_initial_value_sets): Ditto.
14107 * integrate.h (emit_initial_value_sets): Ditto.
14108 * tree-optimize.c (execute_free_datastructures): Ditto
14109 (execute_free_cfg_annotations): Ditto.
14110 (execute_fixup_cfg): Ditto.
14111 (execute_cleanup_cfg_pre_ipa): Ditto.
14112 (execute_cleanup_cfg_post_optimizing): Ditto.
14113 (execute_init_datastructures): Ditto.
14114 * tree-object-size.c (compute_object_sizes): Ditto.
14115 * combine.c (rest_of_handle_combine): Ditto.
14116 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14117 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14118 (rest_of_handle_reorder_blocks): Ditto.
14119 (rest_of_handle_partition_blocks): Ditto.
14120 * var-tracking.c (variable_tracking_main): Ditto.
14121 * tree-profile.c (tree_profiling): Ditto.
14122 * tree-vect-generic.c (expand_vector_operations): Ditto.
14123 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14124 * sched-rgn.c (rest_of_handle_sched): Ditto.
14125 (rest_of_handle_sched2): Ditto.
14126 * basic-block.h (free_bb_insn): Ditto.
14127 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14128 * tree-cfg.c (execute_build_cfg): Ditto.
14129 (remove_useless_stmts): Ditto.
14130 (split_critical_edges): Ditto.
14131 (execute_warn_function_return): Ditto.
14132 (execute_warn_function_noreturn): Ditto.
14133 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14134 * cfgrtl.c (free_bb_for_insn): Ditto.
14135 * passes.c (execute_one_pass): Run additional
14136 todos returned by execute function.
14137 * tree-pass.h (struct tree_opt_pass): Make execute
14140 2006-03-02 Richard Guenther <rguenther@suse.de>
14142 * tree-ssa-alias.c (find_used_portions): Consider taking
14143 the address as making the variable not write-only.
14145 2006-03-02 Nick Clifton <nickc@redhat.com>
14147 * config.gcc (default_use_cxa_atexit): Extend the description of
14148 this configure variable. Set its default value to "yes" for
14149 Linux, NetBSD and ELF targets on the assumption that they will
14150 use C libraries with the __cxa_atexit function.
14152 2006-03-02 Ben Elliston <bje@au.ibm.com>
14154 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14155 parameter as unused to suppress a build warning.
14157 2006-03-02 Ben Elliston <bje@au.ibm.com>
14159 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14162 2006-03-01 Roger Sayle <roger@eyesopen.com>
14165 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14166 declared name, the weak reference name, and the typeof name.
14167 (__gthrw): Avoid expanding the declared name suffix.
14168 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14170 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14172 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14174 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14175 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14176 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14177 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14178 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14179 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14180 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14181 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14182 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14183 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14184 (DW_END_default, DW_END_big, DW_END_little): New.
14185 (DW_END_lo_user, DW_END_hi_user): Define.
14186 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14187 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14188 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14191 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14193 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14195 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14197 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14199 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14201 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14202 to 'symbol_mem_tag'.
14204 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14207 2006-03-01 Roger Sayle <roger@eyesopen.com>
14209 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14211 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14214 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14215 MACHO_DYNAMIC_NO_PIC_P.
14216 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14218 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14221 * config/darwin-protos.h (darwin_asm_output_anchor):
14223 * config/darwin-sections.def (cstring_section):
14224 Add SECTION_MERGE to the flags.
14225 (literal4_section): Likewise.
14226 (literal8_section): Likewise.
14227 (objc_selector_refs_section): Likewise.
14228 (objc_cls_refs_section): Likewise.
14229 * config/darwin.c (darwin_asm_output_anchor): New
14231 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14233 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14235 Fix PR tree-optimization/26443
14236 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14237 to todo and PROP_tmt_usage to properties_destroyed.
14238 * tree-ssa-ccp.c (pass_ccp): Ditto.
14239 (pass_store_ccp): Ditto.
14240 * tree-ssa-dom.c (pass_dominator): Ditto.
14242 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14244 * tree-ssa-operands.c: Cleanup whitespace.
14245 (get_asm_expr_operands): Move before first invocation.
14246 (get_indirect_ref_operands): Likewise.
14247 (get_tmr_operands): Likewise.
14248 (get_call_expr_operands): Likewise.
14249 (append_def): Likewise.
14250 (append_use): Likewise.
14251 (append_v_may_def): Likewise.
14252 (append_v_must_def): Likewise.
14253 (add_call_clobber_ops): Likewise.
14254 (add_call_read_ops): Likewise.
14255 (add_stmt_operand): Likewise.
14256 (add_virtual_operand): Likewise.
14257 (build_ssa_operands): Likewise.
14259 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14261 PR middle-end/26022
14263 PR middle-end/24437
14264 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14265 with a call expr to ...
14266 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14268 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14270 * tree-vrp.c (extract_range_from_assert): Remove special
14271 handling for types with super-types.
14273 2006-03-01 Ben Elliston <bje@au.ibm.com>
14275 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14276 and powerpc64-*-linux* configurations.
14277 * config/t-dfprules: New file.
14279 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14280 Compile dfp-bit.c from the source directory using -DWIDTH and
14281 $DFP_CFLAGS to control the compilation of that file, rather than
14282 generating width-specific versions in the build directory.
14283 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14284 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14286 2006-02-28 Zack Weinberg <zackw@panix.com>
14288 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14291 2006-02-28 Eric Christopher <echristo@apple.com>
14293 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14294 Set up IN_LIBGCC definition of TARGET_64BIT.
14295 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14297 2006-02-28 Roger Sayle <roger@eyesopen.com>
14299 PR middle-end/14752
14300 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14301 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14302 cases via the construction of "expr != 0".
14304 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14306 * alias.c (alias_invariant, alias_invariant_size): Remove.
14307 (record_base_value): Remove.
14308 (memrefs_conflict_p): Don't look at alias_invariant.
14309 (end_alias_analysis): Don't free it.
14310 * alias.h (record_base_value): Remove prototype.
14312 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14313 Adam Nemet <anemet@caviumnetworks.com>
14315 * rtl.h (truncated_to_mode): Declare it.
14316 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14317 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14318 (RTL_HOOKS_INITIALIZER): Include it.
14319 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14320 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14321 reg_truncated_to_mode.
14322 * rtlanal.c (truncated_to_mode): Define it.
14323 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14325 2006-02-28 Jeff Law <law@redhat.com>
14327 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14328 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14329 the range allowed by TYPE_PRECISION.
14331 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14333 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14335 PR tree-optimization/26419
14336 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14339 2006-02-27 Zack Weinberg <zackw@panix.com>
14341 * doc/md.texi: Fix typo in previous change.
14343 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14347 2006-02-27 Zack Weinberg <zackw@panix.com>
14349 * rtl.def (define_constraint, define_register_constraint)
14350 (define_memory_constraint, define_address_constraint): New MD forms.
14351 * gensupport.c (process_rtx): Put define_constraint etc on the
14353 * genpreds.c (process_define_predicate): Adjust comment. Validate
14354 the name, and call validate_exp to validate the expression.
14355 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14356 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14357 all callers changed.
14358 (validate_exp, needs_variable, struct constraint_data)
14359 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14360 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14361 (const_dbl_constraints, constraint_max_namelen)
14362 (have_register_constraints, have_memory_constraints)
14363 (have_address_constraints, have_address_constraints)
14364 (have_extra_constraints, have_const_int_constraints)
14365 (have_const_dbl_constraints, mangle, add_constraint)
14366 (process_define_constraint, process_define_register_constraint)
14367 (write_enum_constraint_num, write_lookup_constraint)
14368 (write_insn_constraint_len, write_regclass_for_constraint)
14369 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14370 (write_insn_extra_memory_constraint)
14371 (write_insn_extra_address_constraint)
14372 (write_satisfies_constraint_fns): New.
14373 (write_tm_preds_h): If we have new-style constraint definitions,
14374 prototype the functions generated from them, and define the
14375 old constraint interface (still used by generic code) in terms of
14377 (write_insn_preds_c): If we have new-style constraint definitions,
14378 generate all relevant functions from those definitions.
14379 (main): Handle define_constraint etc.
14380 * genoutput.c (struct constraint_data, indep_constraints)
14381 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14382 (mdep_constraint_len): New data structures and functions, defined
14383 #ifdef USE_MD_CONSTRAINTS.
14384 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14385 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14386 use new logic to validate operand constraints against constraint
14388 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14390 * defaults.h: If none of the old-style constraint macros are
14391 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14392 old-style macros; and poison REG_CLASS_FROM_LETTER,
14393 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14395 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14396 * doc/md.texi: Document new constraint-definition mechanism and the
14397 C interface it provides. Remove references to old mechanism
14398 elsewhere in the document.
14399 (Machine Constraints): Use pathnames relative to gcc directory,
14400 i.e. config/ARCH/FILE. Change i386 section to refer to
14401 config/i386/predicates.md; update that section to match docstrings.
14402 * doc/tm.texi: Move all documentation of the old constraint-
14403 definition macros to their own section, clearly mark as obsolete.
14405 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14406 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14408 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14409 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14410 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14411 constraint strings.
14412 (splits and peepholes): Use satisfies_constraint_*.
14413 * config/i386/i386.c (memory_address_length)
14414 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14416 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14418 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14419 scalar operation to be put back into the loop.
14421 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14424 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14425 (extract_cie_info): Handle S flag in augmentation string.
14426 (execute_cfa_program): If context->signal_frame, execute also
14427 fs->pc == context->ra instructions.
14428 (uw_frame_state_for): If context->signal_frame, don't subtract one
14429 from context->ra to find FDE.
14430 (uw_update_context_1): Set context->signal_frame to
14432 (_Unwind_GetIPInfo): New function.
14433 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14434 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14436 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14437 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14438 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14439 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14440 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14441 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14442 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14443 x86_64_fallback_frame_state): Set fs->signal_frame.
14444 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14445 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14446 (frob_update_context): Likewise. Workaround missing S flag in
14447 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14448 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14449 Remove the psw_addr + 1 hack.
14451 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14453 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14454 with aggregates here.
14455 (find_func_aliases): Remove code for &<aggregate> from here.
14457 2006-02-26 Roger Sayle <roger@eyesopen.com>
14459 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14460 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14461 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14462 as (X & C) ne/eq 0.
14464 2006-02-26 Roger Sayle <roger@eyesopen.com>
14466 PR middle-end/19983
14467 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14469 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14471 * opts.c (decode_options): Do not handle flag_strength_reduce.
14472 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14473 and OPT_fstrength_reduce.
14474 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14475 flag_prefetch_loop_arrays for being nonzero.
14476 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14478 (fprefetch-loop-arrays-rtl): Removed.
14479 (flag_prefetch_loop_arrays): Do not specify the value.
14481 * doc/passes.texi: Update documentation of loop optimizer
14483 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14484 -frerun-loop-opt): Remove.
14486 2006-02-26 Richard Guenther <rguenther@suse.de>
14488 PR tree-optimization/26421
14489 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14490 in function calls that are ADDR_EXPRs as using the whole structure.
14492 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14494 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14495 * tree-pass.h (pass_loop_optimize): Remove.
14496 * passes.c (pass_loop_optimize): Never run it.
14497 * toplev.c (backend_init): Don't call init_loop.
14498 * opts.c (flag_loop_optimize_set): Remove.
14499 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14500 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14501 the old RTL loop optimizer when profiling enabled.
14502 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14503 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14504 pre-headers for the sake of the old RTL loop optimizer.
14505 * Makefile.in: Remove all references to loop.o.
14507 * doc/invoke.texi: Remove all references to -floop-optimize
14508 and -frerun-loop-opt.
14510 2006-02-26 Zack Weinberg <zackw@panix.com>
14512 * doc/md.texi (Machine Constraints): Refer to all files with paths
14513 relative to gcc directory (i.e. config/CPU/file). Add missing
14514 @table @code ... @end table to M32C subsection.
14516 2006-02-26 Roger Sayle <roger@eyesopen.com>
14518 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14520 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14522 2006-02-26 Roger Sayle <roger@eyesopen.com>
14523 James A. Morrison <phython@gcc.gnu.org>
14525 PR middle-end/21137
14526 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14527 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14528 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14529 signedness of the shift operation.
14531 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14533 PR tree-optimization/26359
14534 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14536 2006-02-25 Roger Sayle <roger@eyesopen.com>
14538 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14539 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14540 as X == 0, and some symmetry related transformations.
14541 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14543 2006-02-25 Roger Sayle <roger@eyesopen.com>
14545 PR middle-end/23673
14546 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14547 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14548 symmetry related transformations. Fold (X^C1) == C2 as
14551 2006-02-25 Juergen Weigert <jw@suse.de>
14552 Richard Guenther <rguenther@suse.de>
14554 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14556 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14558 * combine.c (gen_lowpart_or_truncate): Call
14559 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14561 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14563 * doc/invoke.texi: Move -fopenmp description to "Options for
14565 Remove reference to -lgomp.
14567 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14569 * doc/install.texi: Require GNU tar version 1.14.
14571 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14573 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14574 * doc/invoke.texi (C++ Dialect Options): Document
14575 -fno-use-cxa-get-exception-ptr.
14576 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14577 * configure: Regenerate.
14578 * c.opt (fuse-cxa-get-exception-ptr): New.
14579 * c-opts.c (c_common_handle_option): Handle
14580 OPT_fuse_cxa_get_exception_ptr.
14581 * c-common.c (flag_use_cxa_atexit): Update documentation.
14582 (flag_use_cxa_get_exception_ptr): New.
14583 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14584 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14586 (C_COMMON_OVERRIDE_OPTIONS): New.
14588 2006-02-24 Roger Sayle <roger@eyesopen.com>
14590 PR middle-end/24952
14591 * combine.c (try_combine): Explicitly check whether GET_CODE is
14592 a SET or a CLOBBER, instead on checking that it isn't a USE.
14594 2006-02-24 Roger Sayle <roger@eyesopen.com>
14596 * fold-const.c (fold_comparison): New subroutine of fold_binary
14597 containing transformations common to both the equality and
14598 ordering relational operators, factored out of fold_binary.
14599 (fold_binary): Separate out the equality operators (EQ_EXPR
14600 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14601 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14602 transformations common to both.
14603 (fold_div_compare): Fix latent bugs in the previously unreachable
14604 LT_EXPR and GE_EXPR cases.
14606 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14608 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14609 decl libname for clog to __clog on AIX.
14611 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14613 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14616 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14617 output traceback table for thunks. Localise rs6000_stack_info call.
14619 2006-02-23 Roger Sayle <roger@eyesopen.com>
14620 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14622 * gthr-posix.h (__gthrw): Fix typo in comment.
14624 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14626 * doc/cpp.texi (Character sets): Document that we do support
14627 input files to be in any character set.
14629 2006-02-23 Jeff Law <law@redhat.com>
14631 * tree.h (PHI_ARG_NONZERO): Remove.
14632 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14633 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14634 node to the new node.
14636 PR tree-optimization/26425
14637 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14638 min/max, then assume its varying.
14640 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14642 PR rtl-optimization/26316
14643 * rtlanal.c (enum may_trap_p_flags): New.
14644 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14645 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14646 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14647 (may_trap_after_code_motion_p): New function.
14648 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14649 (find_invariant_insn): Use may_trap_after_code_motion_p.
14650 * rtl.h (may_trap_after_code_motion_p): Declare.
14652 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14654 * emit-rtl.c (immed_double_const): Cleanup.
14656 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14658 Fix PR tree-optimization/26376
14659 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14662 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14664 PR middle-end/26412
14665 * gimplify.c (omp_add_variable): Guard variable size decl test with
14666 DECL_SIZE (decl) check.
14668 2006-02-23 Richard Guenther <rguenther@suse.de>
14670 PR middle-end/26439
14671 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14672 like aggregate types.
14674 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14676 * configure.ac: Add --with{,out}-long-double-128 configure option.
14677 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14678 * configure: Rebuilt.
14679 * config.in: Rebuilt.
14680 * doc/install.texi (Options specification): Document
14681 --with-long-double-128.
14683 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14684 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14685 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14686 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14688 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14690 * config/s390/s390.c (override_options): Handle
14691 TARGET_DEFAULT_LONG_DOUBLE_128.
14693 * config/alpha/alpha.c (override_options): Handle
14694 TARGET_DEFAULT_LONG_DOUBLE_128.
14696 * config/sparc/sparc.c (sparc_override_options): Handle
14697 TARGET_DEFAULT_LONG_DOUBLE_128.
14699 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14701 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14702 (real-install-headers-tar, real-install-headers-cpio)
14703 (real-install-headers-cp): New targets.
14705 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14707 * tree.h (variable_section): Delete.
14708 * varasm.c (variable_section): Delete.
14710 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14712 * install.texi: Add notes on install.texi2html.
14713 (Building in parallel): Do not use footnotes.
14715 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14718 * doc/install.texi (Configuration): Document --disable-libgomp.
14720 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14722 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14724 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14726 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14727 (vec_extractv2df_0_sse): New.
14729 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14731 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14732 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14733 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14734 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14735 to the result of the expression.
14736 (def_cfa_1): Adjust.
14737 (frame_pointer_cfa_offset): Rename to...
14738 (frame_pointer_fb_offset): ... this. Adjust all uses.
14739 (convert_cfa_to_loc_list): Rename to...
14740 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14741 Pass it on to build_cfa_loc.
14742 (compute_frame_pointer_to_cfa_displacement): Rename to...
14743 (compute_frame_pointer_to_fb_displacement): ... this. New
14744 offset parameter. Use it in computation.
14745 (gen_subprogram_die): Compute cfa_fb_offset with the new
14746 macro, and use it to compute the fb loc list and the
14749 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14751 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14752 replaced with register_operand.
14753 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14754 non-DREG is expensive.
14755 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14756 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14759 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14761 * doc/install.texi2html: Use set -e.
14763 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14765 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14766 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14767 * doc/invoke.texi (-fshared-data): Delete.
14768 * common.opt (fshared-data): Delete.
14769 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14770 (assemble_static_space): Remove #if 0 code.
14771 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14772 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14773 * config/cris/cris.h: Remove FIXME.
14775 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14777 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14780 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14782 PR middle-end/26379
14783 * combine.c (simplify_shift_const_1): Disable nested shifts
14784 optimization for vector shifts.
14786 2006-02-20 Roger Sayle <roger@eyesopen.com>
14788 PR tree-optimization/26361
14789 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14790 of unsigned integer types.
14792 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14794 * tree-chrec.c (eq_evolutions_p): New.
14795 * tree-chrec.h (eq_evolutions_p): Declared.
14796 * tree-data-ref.c: Fix formatting.
14797 (datadep_stats, dependence_stats): New.
14799 (print_direction_vector): New.
14800 (dump_data_dependence_relation): Use print_direction_vector.
14801 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14802 (compute_subscript_distance): Static.
14803 (initialize_data_dependence_relation): Static. Get the number
14804 of loops surrounding the references from the callers, and initialize
14805 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14806 base_object_differ_p analyzers.
14807 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14808 compute_overlap_steps_for_affine_1_2,
14809 analyze_subscript_affine_affine): Count the classified dependences.
14810 Print a message when a test failed.
14811 (can_use_analyze_subscript_affine_affine): New.
14812 (analyze_siv_subscript): Compute the data dependences on symbolic
14813 scevs that verify can_use_analyze_subscript_affine_affine.
14814 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14815 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14816 Handle symbolic scevs.
14817 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14819 (subscript_dependence_tester): Moved...
14820 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14821 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14822 DDR_SIZE_VECT instead of getting it in parameter.
14823 (subscript_dependence_tester): ... here. Take as a parameter
14824 loop_nest_depth. Call build_classic_dist_vector and
14825 build_classic_dir_vector.
14826 (compute_affine_dependence): Update subscript_dependence_tester
14827 parameters. Update datadep_stats counters. Call
14828 compute_subscript_distance.
14829 (compute_self_dependence): Save the dist and dir vectors. Call
14830 compute_subscript_distance.
14831 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14832 (compute_all_dependences): Reorder parameters as they were before
14833 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14834 compute_subscript_distance. Update the use of
14835 compute_affine_dependence and initialize_data_dependence_relation.
14836 (find_data_references_in_loop): Handle COMPONENT_REF.
14837 (compute_data_dependences_for_loop): Initialize dependence_stats.
14838 Don't call build_classic_dist_vector and build_classic_dir_vector.
14839 Update the parameters of initialize_data_dependence_relation and
14840 compute_all_dependences. Print the statistics from datadep_stats.
14841 (analyze_all_data_dependences): Static. Not used until the pass for
14842 checking the data dependences is contributed.
14843 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14844 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14845 (initialize_data_dependence_relation, compute_affine_dependence,
14846 analyze_all_data_dependences, compute_subscript_distance): Removed.
14847 (print_direction_vector): New.
14848 * lambda.h (gcd): ... here.
14849 (lambda_vector_gcd): Moved here from gcd_vector.
14850 * lambda-code.c (gcd, gcd_vector): Removed.
14851 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14852 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14854 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14856 * ipa-type-escape.c: Tidy some comments and white space.
14857 * tree-ssa-operands.c: Likewise.
14859 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14862 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14863 (dump_decl_name): Do not walk the decl tree chains.
14864 * tree-pass.h (TDF_CHAIN): Remove.
14866 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14868 * Makefile.in (C): Remove
14870 (.PHONY): Remove C and PROTO
14872 2006-02-20 Roger Sayle <roger@eyesopen.com>
14874 PR middle-end/26236
14875 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14876 deprecated CHAR_TYPE tree code.
14878 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14880 * configure.ac (target_list): Add install-info, dvi, html.
14881 * configure: Regenerate.
14883 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14884 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14885 treelang/Make-lang.in: Do not use double-colon rules.
14887 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14889 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14890 (TMT_USED_ALONE): New macro.
14891 * tree-pass.h (PROP_tmt_usage): New property.
14892 (TODO_update_tmt_usage): New todo.
14893 * tree-ssa-alias.c (updating_used_alone): New variable.
14894 (recalculate_used_alone): New function.
14895 (compute_may_aliases): Set updating_used_alone, call
14896 recalculate_used_alone.
14897 * tree-sra.c (pass_sra): Note that this pass destroys
14898 PROP_tmt_usage, and add TODO_update_tmt_usage.
14899 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14900 * tree-flow.h (updating_used_alone): Prototype.
14901 (recalculate_used_alone): Ditto.
14902 * passes.c (execute_todo): Add code to set updating_used_alone,
14903 and call recalculate.
14904 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14905 for clobber if used alone, and add assert to verify used_alone
14908 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14910 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14911 for non tls symbols added.
14912 (legitimize_address): Do nothing for PLUS expressions if one of the
14913 addends is a tls symbol reference.
14915 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14919 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14921 * Makefile.in (BOOTSTRAPPING): New.
14922 (quickstrap): New definition if BOOTSTRAPPING=yes.
14924 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14925 * configure.ac: Substitute all_selected_languages with the languages
14926 that were configured. For all the other variables except
14927 lang_specs_files, include all the languages in the tree.
14928 * configure: Regenerate.
14930 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14931 if there is one. Run the commands to run fixincludes in the same
14934 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14935 * doc/install.texi: Document exact conventions for searching target tools.
14936 Document --with-build-time-tools. Document toplevel bootstrap. Document
14937 something more about building an Ada cross-compiler. Don't list GNU Make
14938 requirements which affect all platforms.
14940 2006-02-19 Roger Sayle <roger@eyesopen.com>
14942 PR middle-end/19543
14943 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14944 only equivalent if the have both the same mode and precision.
14946 2006-02-20 Ben Elliston <bje@au.ibm.com>
14948 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14950 2006-02-19 Roger Sayle <roger@eyesopen.com>
14951 Steven Bosscher <stevenb.gcc@gmail.com>
14953 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14954 constant pool references to identify stack mode constants.
14955 * rtlanal.c (constant_pool_constant_p): New predicate to check
14956 whether operand is a floating point constant in the pool.
14957 * rtl.h (constant_pool_constant_p): Prototype here.
14958 * loop.c (scan_loop): Avoid hoisting constants from the constant
14959 pool on STACK_REGS targets.
14960 (load_mems): Likewise.
14961 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14962 loads into x87 registers expensive in terms of register pressure.
14964 2006-02-19 Roger Sayle <roger@eyesopen.com>
14966 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14967 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14969 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14971 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14972 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14974 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14976 * doc/invoke.texi: Document -fipa-pta.
14977 * common.opt: Add ipa-pta option.
14978 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14979 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14980 (do_ds_constraint): Ditto.
14981 (get_constraint_for): Only add to referenced_vars if
14982 referenced_vars exists.
14983 (insert_into_field_list): Rewrite to do this unsorted.
14984 (insert_into_field_list_sorted): Rename old insert_into_field_list
14986 (create_function_info_for): Use insert_into_field_list_sorted.
14987 (create_variable_info_for): Rewrite so it uses unsorted version,
14988 since the field list is sorted.
14989 (intra_create_variable_infos): Only add to referenced_vars if
14990 referenced_vars exists.
14991 (ipa_pta_execute): Init heapvars, and delete when done.
14992 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14994 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14996 * doc/install.texi: Add missing `@samp'.
14998 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15000 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
15003 2006-02-18 Mark Wielaard <mark@klomp.org>
15005 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
15006 who added new 4.1 features, bug fixes and integration support.
15008 2006-02-18 David Edelsohn <edelsohn@gnu.org>
15011 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
15012 MEM for ABI_V4 pic.
15014 2006-02-18 Richard Sandiford <richard@codesourcery.com>
15016 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
15017 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
15018 (copy_insn_1): Likewise. Don't copy each field individually.
15020 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
15022 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
15023 * rtl.c (rtx_size): Rename variable to...
15024 (rtx_code_size): ...this.
15025 (rtx_size): New function.
15026 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
15027 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
15029 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
15030 * rtl.h (rtx_code_size): New variable.
15031 (rtx_size): Change from a variable to a function.
15032 (RTX_SIZE): Rename to...
15033 (RTX_CODE_SIZE): ...this.
15036 PR tree-optimization/17106
15037 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
15038 (Anchored Addresses): New section.
15039 * doc/invoke.texi (-fsection-anchors): Document.
15040 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
15041 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
15042 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
15043 * hooks.c (hook_bool_mode_rtx_false): New function.
15044 * hooks.h (hook_bool_mode_rtx_false): Declare.
15045 * gengtype.c (create_optional_field): New function.
15046 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
15047 SYMBOL_REF_IN_BLOCK_P is true.
15048 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
15049 (min_anchor_offset, max_anchor_offset): Likewise.
15050 (use_anchors_for_symbol_p): New hook.
15051 * toplev.c (compile_file): Call output_object_blocks.
15052 (target_supports_section_anchors_p): New function.
15053 (process_options): Check that -fsection-anchors is only used on
15054 targets that support it and when -funit-at-a-time is in effect.
15055 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
15056 if the decl doesn't have one.
15057 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
15058 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
15059 of force_const_mem through use_anchored_address.
15060 (expand_expr_constant): New function.
15061 (expand_expr_addr_expr_1): Call it. Use the same modifier when
15062 calling expand_expr for INDIRECT_REF.
15063 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
15064 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
15065 * expr.h (use_anchored_address): Declare.
15066 * loop-unroll.c: Don't declare rtx vectors here.
15067 * explow.c: Include output.h.
15068 (validize_mem): Call use_anchored_address.
15069 (use_anchored_address): New function.
15070 * common.opt (-fsection-anchors): New switch.
15071 * varasm.c (object_block_htab, anchor_labelno): New variables.
15072 (hash_section, object_block_entry_eq, object_block_entry_hash)
15073 (use_object_blocks_p, get_block_for_section, create_block_symbol)
15074 (use_blocks_for_decl_p, change_symbol_section): New functions.
15075 (get_variable_section): New function, split out from assemble_variable.
15076 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
15077 use_blocks_for_decl_p say so. Use change_symbol_section if the
15078 symbol has already been created.
15079 (assemble_variable_contents): New function, split out from...
15080 (assemble_variable): ...here. Don't output any code for
15081 block symbols; just pass them to place_block_symbol.
15082 Use get_variable_section and assemble_variable_contents.
15083 (get_constant_alignment, get_constant_section, get_constant_size): New
15084 functions, split from output_constant_def_contents.
15085 (build_constant_desc): Create a block symbol if use_object_blocks_p
15086 says so. Or into SYMBOL_REF_FLAGS.
15087 (assemble_constant_contents): New function, split from...
15088 (output_constant_def_contents): ...here. Don't output any code
15089 for block symbols; just pass them to place_section_symbol.
15090 Use get_constant_section and get_constant_alignment.
15091 (force_const_mem): Create a block symbol if use_object_blocks_p and
15092 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15093 (output_constant_pool_1): Add an explicit alignment argument.
15094 Don't switch sections here.
15095 (output_constant_pool): Adjust call to output_constant_pool_1.
15096 Switch sections here instead. Don't output anything for block symbols;
15097 just pass them to place_block_symbol.
15098 (init_varasm_once): Initialize object_block_htab.
15099 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15100 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15101 (place_block_symbol, get_section_anchor, output_object_block)
15102 (output_object_block_htab, output_object_blocks): New functions.
15103 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15104 (TARGET_ASM_OUT): Include it.
15105 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15106 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15107 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15108 (TARGET_INITIALIZER): Include them.
15109 * rtl.c (rtl_check_failed_block_symbol): New function.
15110 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15111 (block_symbol, object_block): New structures.
15112 (rtx_def): Add a block_symbol field to the union.
15113 (BLOCK_SYMBOL_CHECK): New macro.
15114 (rtl_check_failed_block_symbol): Declare.
15115 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15116 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15117 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15118 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15119 * output.h (output_section_symbols): Declare.
15120 (object_block): Name structure.
15121 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15122 (default_use_anchors_for_symbol_p): Declare.
15123 * Makefile.in (RTL_BASE_H): Add vec.h.
15124 (explow.o): Depend on output.h.
15125 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15126 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15127 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15128 (rs6000_use_blocks_for_constant_p): New function.
15130 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15132 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15134 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15137 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15140 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15142 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15146 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15148 PR middle-end/26334
15149 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15150 instead of DECL_REGISTER.
15152 2006-02-18 Olivier Hainque <hainque@adacore.com>
15155 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15157 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15160 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15161 * opth-gen.awk: Handle Var and InverseMask together.
15162 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15163 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15164 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15165 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15167 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15168 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15169 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15170 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15171 LINUX_DYNAMIC_LINKER): Define.
15172 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15173 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15175 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15176 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15177 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15178 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15179 (TARGET_C99_FUNCTIONS): Don't define.
15180 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15181 GLIBC_DYNAMIC_LINKER.
15182 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15183 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15184 GLIBC_DYNAMIC_LINKER64): Define.
15185 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15186 LINUX_DYNAMIC_LINKER64.
15187 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15188 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15189 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15190 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15191 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15192 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15193 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15194 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15195 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15196 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15197 and LINUX_DYNAMIC_LINKER32.
15198 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15199 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15200 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15201 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15202 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15204 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15205 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15206 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15207 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15208 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15209 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15210 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15211 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15212 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15213 LINUX_DYNAMIC_LINKER): Define.
15214 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15215 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15216 GLIBC_DYNAMIC_LINKER64): Define.
15217 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15218 LINUX_DYNAMIC_LINKER64.
15219 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15220 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15221 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15222 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15223 LINUX_DYNAMIC_LINKER): Define.
15224 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15225 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15226 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15227 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15228 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15229 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15230 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15231 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15232 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15233 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15234 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15235 * doc/invoke.texi (-muclibc): Remove caveat about supported
15238 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15240 * doc/cpp.texi (__TIMESTAMP__): Document.
15242 2006-02-17 Roger Sayle <roger@eyesopen.com>
15244 PR middle-end/25600
15245 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15246 C is one less than the width of X (and related transformations).
15247 * simplify-rtx.c (simplify_unary_operation_1): Transform
15248 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15249 depending on STORE_FLAG_VALUE, were C is one less then the
15252 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15254 Fix PR tree-optimization/26341
15255 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15256 about NAME_MEMORY_TAG's.
15258 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15261 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15262 with hardware float support, and software float support. Add fcpy
15263 alternative to hardware patterns. Add alternatives to copy between
15264 general and floating-point registers to the 32-bit pattern.
15265 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15266 secondary reload to load a QI or HI mode constant into a floating
15268 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15269 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15271 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15274 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15276 (load_macho_picbase_di): Likewise.
15278 2006-02-16 Jeff Law <law@redhat.com>
15280 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15281 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15282 (ssa_name_nonzero_p): Likewise.
15283 (get_value_range): Return NULL if VRP is not running.
15284 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15285 VRP routines do not discover a range.
15286 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15287 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15288 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15289 (tree_expr_nonnegative_p): Similarly.
15290 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15291 (restore_nonzero_vars_to_original_value): Remove.
15292 (unsafe_associative_fp_binop): Remove.
15293 (tree_ssa_dominator_optimize): Remove initialization and
15294 finalization of nonzero_vars and nonzero_vars_stack.
15295 (dom_opt_initialize_block): No longer push marker on
15296 nonzero_vars_stack.
15297 (dom_opt_finalize_block): No longer call
15298 restore_nonzero_vars_to_original_value.
15299 (record_equivalences_from_phis): No longer look for
15300 nonzero PHI arguments.
15301 (cprop_into_successor_phis): No longer propagate nonzero
15302 property into PHI arguments. Lose unused argument. Caller
15304 (record_equivalences_from_stmt): No longer record nonzero
15305 values for SSA_NAMEs.
15306 (lookup_avail_expr): No longer use nonzero_vars.
15308 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15309 for sizetype when sizetype is unsigned.
15311 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15313 PR rtl-optimization/25603
15314 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15315 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15316 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15317 with new meaning of SETS.
15319 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15324 * config/linux.opt: New file.
15325 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15326 LINUX_DYNAMIC_LINKER): Define.
15327 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15328 * config.gcc (*-*-linux*): Define extra_options.
15329 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15330 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15331 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15332 GLIBC_DYNAMIC_LINKER.
15333 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15334 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15335 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15336 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15337 * doc/invoke.texi (GNU/Linux Options): New section.
15339 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15341 * config/sparc/sparc.md (setjmp): Rewrite.
15342 (setjmp_32): Delete.
15343 (setjmp_64): Likewise.
15345 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15347 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15350 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15352 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15355 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15357 PR rtl-optimization/26296
15358 * Makefile.in (loop-invariant.c): Add except.h dependency.
15359 * loop-invariant.c: Include except.h.
15360 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15362 2005-02-16 Paul Brook <paul@codesourcery.com>
15364 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15367 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15369 PR rtl-optimization/25636
15370 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15371 when deciding whether an insn is an initializing insn.
15373 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15375 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15376 (tree_code_size): Ditto.
15377 * tree.h (struct tree_memory_tag): Remove parent_var.
15378 (struct tree_struct_field_tag): New.
15381 (union tree_node): Add sft member.
15382 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15384 (create_sft): Add size and offset argument, set SFT_OFFSET and
15386 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15387 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15388 * tree-flow-inline.h (get_subvar_at): Update for
15389 SFT_OFFSET/SFT_SIZE.
15390 (var_can_have_subvars): Ditto.
15391 (overlap_subvar): Ditto.
15392 * print-tree.c (print_node): Print out interesting things for
15394 * tree-flow.h (struct subvar): Remove offset and size members.
15395 * tree-ssa-operands.c (get_expr_operands): Update for
15396 get_indirect_ref_operands changes.
15397 (get_indirect_ref_operands): Call add_virtual_operand instead of
15398 add_stmt_operand. Only recurse on base var if requested.
15399 (access_can_touch_variable): New function.
15400 (add_stmt_operand): Split virtual operand handling into ...
15401 (add_virtual_operand): Here. Add offset, size, and for_clobber
15402 arguments. Prune alias sets.
15403 (add_call_clobber_ops): Call add_virtual_operand.
15405 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15407 PR middle-end/26300
15408 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15410 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15411 than TREE_CODE as index into omp_clause_num_ops array.
15413 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15415 PR rtl-optimization/26184
15416 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15418 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15419 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15420 must_precede, must_follow and tobe_scheduled.
15423 * opts.c (common_handle_option): Free new_option pointer.
15424 * df-core.c (df_analyze): Free postorder pointer.
15426 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15428 * Makefile.in: Fix the examples about the use of stamps
15430 2006-02-15 Michael Matz <matz@suse.de>
15432 PR middle-end/22275
15434 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15435 influenced by maximum_field_alignment or DECL_PACKED.
15436 (update_alignment_for_field): Ditto.
15437 (place_field): Ditto.
15438 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15441 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15443 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15444 (debug_flow_info): Pass it.
15445 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15446 * bb-reorder.c (reorder_basic_blocks): Likewise.
15447 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15448 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15449 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15450 * gcse.c (gcse_main, bypass_jumps): Likewise.
15451 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15452 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15453 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15454 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15455 * rtl.h (dump_flow_info): Adjust prototype.
15456 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15457 * var-tracking.c (variable_tracking_main): Likewise.
15458 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15459 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15462 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15464 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15467 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15469 PR tree-optimization/26209
15470 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15471 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15473 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15475 2006-02-14 Roger Sayle <roger@eyesopen.com>
15477 PR middle-end/23670
15478 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15479 (X,Y) and the corresponding symmetry related transformations.
15480 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15481 (X,Y) and its symmetry related transformations.
15483 2006-02-14 Roger Sayle <roger@eyesopen.com>
15485 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15488 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15490 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15492 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15495 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15496 support COMDAT group.
15497 * configure: Regenerate.
15499 2006-02-14 Roger Sayle <roger@eyesopen.com>
15501 PR middle-end/26279
15502 PR middle-end/26280
15503 PR middle-end/26283
15504 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15506 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15508 Fix PR tree-optimization/26260
15510 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15512 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15513 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15514 * tree-ssa-structalias.c (create_variable_info_for): Use
15515 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15517 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15519 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15521 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15522 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15523 of the ending condition.
15524 * tree-ssa-loop-manip.c: Include params.h.
15525 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15526 tree_unroll_loop): New functions.
15527 * tree-pass.h (pass_loop_prefetch): Declare.
15528 * loop.c (rest_of_handle_loop_optimize): Test for
15529 -fprefetch-loop-arrays-rtl.
15530 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15531 * timevar.def (TV_TREE_PREFETCH): New timevar.
15532 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15533 pass_loop_prefetch): New.
15534 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15535 (cleanup_tree_cfg_loop): Call scev_reset.
15536 * common.opt (fprefetch-loop-arrays-rtl): Add.
15537 * tree-ssa-loop-prefetch.c: New file.
15538 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15539 (new_temp_expr_table): Initialize expr_vars.
15540 (free_temp_expr_table): Cleanup expr_vars.
15541 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15542 expressions from being merged into one.
15543 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15544 (struct tree_niter_desc): Add control, bound and cmp fields.
15545 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15547 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15548 (tree-cfgcleanup.o): Add SCEV_H dependency.
15549 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15550 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15552 2006-02-14 Richard Guenther <rguenther@suse.de>
15554 PR tree-optimization/26258
15555 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15556 in PHI argument processing.
15558 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15560 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15561 new expression in the requested machine mode.
15563 2006-02-13 Roger Sayle <roger@eyesopen.com>
15565 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15566 directly, instead let do_compare_rtx_and_jump handle this for us.
15567 * expr.c (expand_expr_real_1): Likewise.
15568 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15569 before do_jump_by_parts_greater.
15570 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15571 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15573 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15575 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15577 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15579 PR rtl-optimization/26235
15580 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15581 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15584 2006-02-13 Jeff Law <law@redhat.com>
15586 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15589 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15591 PR middle-end/26092
15592 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15593 twice if decl is a builtin. When trying again, call get_callee_fndecl
15594 first to verify it is still a builtin.
15596 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15598 * dwarf2out.c (base_type_die): Don't add AT_name here.
15599 (subrange_type_die): Don't add AT_name here.
15600 (modified_type_die): Rearrange code flow. Do add AT_name here.
15602 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15604 PR rtl-optimization/26247
15605 PR rtl-optimization/26248
15606 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15608 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15610 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15611 * config/fixtfdi.c: Likewise.
15612 * config/fixunstfdi.c: Likewise.
15613 * config/floatditf.c: Likewise.
15615 2006-02-13 Roger Sayle <roger@eyesopen.com>
15617 PR middle-end/24427
15618 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15619 into (X,C2) if C1 is a subset of the bits of C2. Transform
15620 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15622 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15624 2006-02-13 Josh Conner <jconner@apple.com>
15627 * varasm.c (function_section): Check for section name before
15628 calling select_section on targets that define
15629 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15630 unlikely_text_section instead of hot_function_section if
15631 first_function_block_is_cold.
15633 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15635 PR middle-end/25335
15636 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15638 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15640 PR rtl-optimization/26222
15641 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15642 after tree->rtl expansion.
15643 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15644 before passing it to emit_move_insn.
15646 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15648 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15650 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15651 Clarify documentation.
15652 * c-common.h (warn_write_strings): Remove.
15653 * c-common.c (warn_write_strings): Likewise.
15654 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15657 2006-02-12 Roger Sayle <roger@eyesopen.com>
15659 PR middle-end/25724
15660 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15661 (do_jump_parts_zero_rtx): New function renamed from
15662 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15663 (do_jump_parts_equality_rtx): New function split out from
15664 do_jump_parts_equality. Old implementation renamed as above.
15665 Call do_jump_parts_zero_rtx if either operand is zero.
15666 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15667 do all of the heavy lifting.
15668 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15669 calling either do_jump_by_parts_greater_rtx or
15670 do_jump_by_parts_equality_rtx.
15671 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15672 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15673 moved to do_compare_rtx_and_jump, call it directly.
15674 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15675 mode argument. Call do_compare_rtx_and_jump.
15676 (emit_case_nodes): Update calls to do_jump_if_equal.
15678 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15680 PR rtl-optimization/26225
15681 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15683 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15685 PR rtl-optimization/26232
15686 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15688 2006-02-11 Jason Merrill <jason@redhat.com>
15691 * tree-inline.c (declare_return_variable): Just don't use the
15692 modify target if it's a gimple complex reg and the return slot
15695 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15697 * doc/contrib.texi: Update my entry.
15699 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15701 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15703 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15705 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15708 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15710 * doc/invoke.texi (-floop-optimize2): Removed.
15711 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15712 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15713 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15714 * common.opt (floop-optimize2): Removed.
15715 (fmove-loop-invariants): Enabled by default.
15717 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15719 * tree-if-conv.c (combine_blocks): Free the result of
15720 get_loop_exit_edges.
15722 2006-02-10 Jeff Law <law@redhat.com>
15724 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15726 PR tree-optimization/26213
15727 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15728 loop trying to follow SSA_NAME_VALUE chains.
15730 2006-02-10 Richard Guenther <rguenther@suse.de>
15732 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15733 deal with structures that end in implicitly variable sized arrays.
15735 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15737 PR rtl-optimization/24762
15738 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15741 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15743 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15744 (struct ivopts_data): Add regs_used field.
15745 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15746 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15747 instead of loop_data->regs_used;
15748 (free_loop_data): Do not free aux fields for loops.
15749 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15750 and tree_ssa_iv_optimize_finalize.
15752 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15754 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15756 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15759 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15760 computing the effective result type.
15762 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15764 PR inline-asm/16194
15765 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15766 (tree_overlaps_hard_reg_set): Declare.
15767 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15768 type and signature to match function type expected by walk_tree.
15769 (tree_overlaps_hard_reg_set): New function.
15770 (decl_conflicts_with_clobbers_p): Rename to:
15771 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15772 Use tree_overlaps_hard_reg_set. Changed caller.
15773 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15774 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15775 * cris.c (cris_md_asm_clobbers): Likewise.
15777 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15779 * reload1.c (emit_input_reload_insns): Delete code that tries to
15780 inherit using find_equiv_reg.
15782 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15784 * c-common.h (flag_const_strings): Don't declare.
15785 * c-common.c (flag_const_strings): Remove.
15786 * c.opt (fconst_strings): Remove.
15787 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15788 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15789 (c_common_init_options): Don't set flag_const_strings.
15790 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15792 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15794 * arm.md (tlobits_cbranch): New pattern.
15795 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15796 testing a single bit.
15798 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15801 * tree-ssa-pre.c (create_component_ref_by_pieces):
15802 Handle RETURN_DECL like VAR_DECL.
15804 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15806 PR middle-end/26134
15807 * fold-const.c (fold_indirect_ref_1): Fold
15808 "*(foo *)&complexfoo" to "__real__ complexfoo"
15809 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15811 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15813 * tree-flow-inline.h (var_can_have_subvars):
15814 Volatile variables should not have subvariables.
15816 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15819 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15820 multiplying unsigned values.
15823 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15825 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15827 2006-02-08 Jason Merrill <jason@redhat.com>
15830 * tree.def: Elaborate on difference from MODIFY_EXPR.
15831 * doc/c-tree.texi (INIT_EXPR): Likewise.
15832 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15833 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15834 (gimplify_target_expr): Likewise.
15835 (gimplify_cond_expr): Remove target handling.
15836 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15837 (gimplify_expr): Clobber it here.
15838 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15839 Do return slot optimization if we have an INIT_EXPR.
15842 * tree-inline.c (declare_return_variable): Also clear
15843 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15846 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15848 PR middle-end/22439
15849 * gimplify.c (gimplify_one_sizepos): Fix typo.
15851 2006-02-08 Jeff Law <law@redhat.com>
15853 PR tree-optimization/21417
15854 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15855 across a backedge if the control statement at the end of the
15856 block is data dependent on other statements in the same block.
15857 (record_temporary_equivalences_from_stmts): Remove over-conservative
15858 test for threading across backedges.
15860 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15861 control statement, handle all three special cases in the same
15862 manner as they all have the same desired solution. No longer
15863 special case edge flag updating when the post dominator is
15866 2006-02-08 Roger Sayle <roger@eyesopen.com>
15868 * tree.def (CHAR_TYPE): Remove.
15869 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15870 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15871 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15872 (gen_string_type_die): Delete unreachable function.
15874 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15875 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15876 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15877 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15878 * builtins.c (type_to_class): Likewise.
15879 * fold-const.c (fold_convert, build_range_check,
15880 merge_ranges): Likewise.
15881 * expr.c (count_type_elements): Likewise.
15882 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15883 * stor-layout.c (layout_type): Likewise.
15884 * ipa-type-escape.c (type_to_consider): Likewise.
15885 * gimplify.c (omp_firstprivatize_type_sizes,
15886 gimplify_type_sizes): Likewise.
15887 * explow.c (promote_mode): Likewise.
15888 * tree-sra.c (is_sra_scalar_type): Likewise.
15889 * varasm.c (output_constant): Likewise.
15890 * tree-inline.c (remap_type_1): Likewise.
15891 * convert.c (convert_to_pointer, convert_to_real,
15892 convert_to_integer, convert_to_complex): Likewise.
15894 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15896 * df-scan.c (df_def_record_1): A set destination may
15897 be a parallel regardless of mode.
15899 2006-02-08 Roger Sayle <roger@eyesopen.com>
15902 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15903 * config/mips/_tilib.c: Remove.
15904 * config/fixtfdi.c: New libgcc source file.
15905 * config/fixunstfdi.c: New source file.
15906 * config/floatditf.c: New source file.
15907 * config/floatunditf.c: New souce file.
15908 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15909 files above instead of config/mips/_tilib.c.
15910 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15912 2006-02-08 Jeff Law <law@redhat.com>
15914 PR tree-optimization/26169
15915 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15918 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15920 * df.h (DF_REG_SIZE): Return the length of the initialized
15923 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15925 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15926 __muldf3): Return a correctly signed zero.
15928 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15930 * passes.c (register_one_dump_file): Accept the current properties
15931 instead of pass number. Adjust call to dump_register. Remove
15933 (register_dump_files): Now a wrapper around...
15934 (register_dump_files_1): ... this one. Do not modify the pass
15936 (next_pass_1): Cosmetic fix.
15937 (execute_todo): Keep second parameter only. Use curr_properties
15938 instead of fetching it from the pass structure. Check and set
15940 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15941 instead of fetching it from the pass structure. Fix calls to
15942 execute_todo. Update curr_properties and initialize .vcg RTL dump
15943 after running the pass. Reset last_verified.
15944 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15946 (FIRST_AUTO_NUMBERED_DUMP): New.
15947 (dump_register): Remove "num" parameter, assign it within the
15949 (get_dump_file_name): Modify template for dumps.
15950 * tree-dump.h (dump_register): Adjust prototype.
15951 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15952 (PROP_trees): Add PROP_gimple_lomp.
15953 (TODO_set_props): New.
15954 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15955 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15956 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15958 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15960 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15961 (sparc64-*-linux*): Likewise.
15962 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15963 * config/sparc/t-linux: New file.
15964 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15965 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15966 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15967 -m32 -mlong-double-128.
15969 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15970 * config/alpha/t-linux: New file.
15971 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15973 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15974 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15975 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15976 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15977 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15978 (CPP_ARCH32_SPEC): Remove.
15980 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15982 PR tree-optimization/26145
15983 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15986 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15989 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15990 >= 240000 when generating code for SOM runtime.
15991 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15992 to $$dyncall when generating code for SOM runtime..
15994 2006-02-07 Dirk Mueller <dmueller@suse.com>
15997 * doc/invoke.texi (-Wsequence-point): Update documentation
15998 that -Wsequence-point is implemented for C++ as well.
16000 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16002 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
16003 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
16004 (LIB_SPEC): Likewise.
16005 * doc/invoke.texi (SPARC options): Document -pthread.
16007 2006-02-07 Geoffrey Keating <geoffk@apple.com>
16009 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
16012 2006-02-07 Roger Sayle <roger@eyesopen.com>
16014 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
16015 Correct comment describing BOOLEAN_TYPE.
16017 2006-02-07 Dirk Mueller <dmueller@suse.com>
16019 * c.opt: C++ frontend supports -Wdiv-by-zero.
16020 * c-opts.c (c_common_handle_option): Remove dead case.
16022 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16024 * configure.ac (TLS assembler check): Do not enable TLS by
16025 default on SPARC/Solaris before version 10.
16026 * configure: Regenerate.
16028 2006-02-07 David Edelsohn <edelsohn@gnu.org>
16030 * doc/invoke.texi (xl-compat): Document conversion and support
16033 2006-02-07 Jeff Law <law@redhat.com>
16035 * tree-vrp.c (find_conditional_asserts): Update comments.
16036 (simplify_stmt_for_jump_threading): New.
16037 (identify_jump_threads, finalize_jump_threads): New.
16038 (vrp_finalize): Call identify_jump_threads.
16039 (execute_vrp): Call finalize_jump_threads.
16040 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
16041 (vrp_element, vrp_data, vrp_element_p): Remove.
16042 (vrp_hash_elt, vrp_variables_stack): Remove.
16043 (vrp_hash, vrp_eq, record_range): Remove.
16044 (simplify_cond_and_lookup_avail_expr): Remove.
16045 (extract_range_from_cond): Remove.
16046 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
16047 (simplify_stmt_for_jump_threading): New.
16048 (dom_thread_across_edge): New wrapper.
16049 (tree_ssa_dominator_optimize): No longer initialize or
16050 finalize any of the VRP datastructures. Remove iteration
16051 step and simplify as a result of removal of iteration step.
16052 (pass_dominator): Perform a cfg cleanup after DOM.
16053 (dom_opt_finalize_block): Use the new common routines
16054 for threading jumps. Simplify stack management slightly.
16055 No longer need to unwind VRP state.
16056 (record_equivalences_from_incoming_edge): No longer record
16058 (eliminate_redundant_computations): No longer call
16059 simplify_cond_and_lookup_avail_expr.
16060 * tree-flow.h (potentially_threadable_block): Prototype.
16061 (thread_across_edge): Likewise.
16062 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
16063 (tree-ssa-threadedge.o): Add dependencies.
16064 * tree-ssa-threadedge.c: New file.
16065 * passes.c (init_optimization_passes): Merge PHIs before
16066 calling VRP. Run VRP again late in the SSA optimization pipeline.
16068 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16070 * df-core.c (df_set_blocks): Do not dereference function pointers.
16071 (df_finish1): Likewise.
16072 (df_hybrid_search_forward): Likewise.
16073 (df_hybrid_search_backward): Likewise.
16074 (df_iterative_dataflow): Likewise.
16075 (df_analyze_problem): Likewise.
16076 (df_compact_blocks): Likewise.
16077 (df_dump): Likewise.
16078 * df-scan.c (df_rescan_blocks): Likewise.
16079 (df_record_entry_block_defs): Likewise.
16081 * genconditions.c (write_conditions): Guard the definition of
16082 'insn_conditions' with the check on GCC version.
16083 (write_writer): Guard the traversal 'insn_conditions' with
16084 the check on GCC version.
16086 2006-02-07 Richard Guenther <rguenther@suse.de>
16090 2006-01-30 Richard Guenther <rguenther@suse.de>
16092 * gimplify.c (gimplify_target_expr): Handle easy cases
16093 without creating a temporary.
16095 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16097 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16098 use of float in probability computations. Use edge probabilities
16099 in place of statically computed probabilities.
16100 (min_spec_prob): New static variable.
16101 (schedule_insns): Initialize it.
16102 (GET_SRC_PROB): Removed.
16103 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16105 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16108 * config/ia64/unwind-ia64.c: Revert last change.
16109 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16110 (INCOMING_FRAME_SP_OFFSET): Define.
16112 2006-02-06 Roger Sayle <roger@eyesopen.com>
16114 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16116 2006-02-07 Ben Elliston <bje@au.ibm.com>
16118 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16119 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16120 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16121 (ix86_return_in_memory): Handle TDmode.
16122 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16123 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16125 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16127 * reorg.c (dbr_schedule): Use dump_file instead of file.
16129 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16132 * config/ia64/predicates.md (extr_len_operand): New predicate.
16133 * config/ia64/ia64.md (extv): Tighten constraints.
16135 (*tbit_and_2): Ditto.
16136 (*tbit_and_3): Ditto.
16137 (*tbit_or_2): Ditto.
16138 (*tbit_or_3): Ditto.
16139 (*bit_zero): Ditto.
16142 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16145 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16147 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16149 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16150 loop_optimizer_init and loop_optimizer_finalize
16151 * tree-ssa-sink.c (execute_sink_code): Ditto.
16152 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16153 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16154 tree_ssa_loop_done): Ditto.
16155 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16156 * sched-ebb.c: Include output.h.
16157 (schedule_ebbs): Do not use dump argument.
16158 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16159 * loop.c (loop_dump_stream): Removed.
16160 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16162 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16163 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16164 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16165 loop_iterations, strength_reduce, record_biv, record_giv,
16166 final_giv_value, check_final_value, check_ext_dependent_givs,
16167 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16168 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16169 dump_file instead of loop_dump_stream.
16170 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16171 argument dump_file.
16172 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16174 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16175 * haifa-sched.c: Include output.h
16176 (schedule_insns, sched_init): Do not use dump argument.
16177 * mode-switching.c (optimize_mode_switching): Ditto.
16178 * modulo-sched.c (stats_file): Removed.
16179 (print_node_sched_params): Do not call argument dump_file.
16180 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16181 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16183 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16185 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16186 rtl_loop_init, rtl_loop_done): Ditto.
16187 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16188 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16190 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16191 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16192 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16193 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16194 * emit-rtl.c (renumber_insns): Ditto.
16195 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16196 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16197 * regclass.c (regclass): Ditto.
16198 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16199 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16200 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16201 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16203 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16204 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16206 * gcse.c (gcse_file, debug_stderr): Removed.
16207 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16208 rest_of_handle_gcse): Do not use dump argument.
16209 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16210 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16211 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16212 compute_code_hoist_vbeinout, compute_code_hoist_data,
16213 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16214 compute_store_table, build_store_vectors, insert_insn_start_bb,
16215 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16216 store_motion): Use dump_file instead of gcse_file.
16217 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16218 * profile.c (profile_dump_file): Removed.
16219 (branch_prob): Use dump_file instead of profile_dump_file.
16220 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16222 * tree-ssa-copy.c (dump_copy_of): Ditto.
16223 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16224 dump file to life_analysis.
16225 * bt-load.c (branch_target_load_optimize): Ditto.
16226 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16228 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16229 regclass, dbr_schedule): Declaration changed.
16230 * sched-int.h (sched_init): Declaration changed.
16231 * tree-profile.c (tree_profile_dump_file): Removed.
16232 (tree_profile_hooks): Removed profile_dump_file hook.
16233 * rtl-profile (rtl_profile_dump_file): Removed.
16234 (rtl_profile_hooks): emoved profile_dump_file hook.
16235 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16237 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16238 * tree-cfg.c (build_tree_cfg): Ditto.
16239 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16240 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16241 Declaration changed.
16242 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16243 life_analysis and schedule_insns.
16244 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16246 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16248 * config/mips/mips.c (mips_reorg): Ditto.
16249 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16252 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16254 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16255 (s390_mangle_fundamental_type): New.
16256 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16259 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16260 (alpha_mangle_fundamental_type): New.
16261 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16264 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16266 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16268 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16269 (sparc_mangle_fundamental_type): New.
16271 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16273 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16274 (s390x-*-linux*): Likewise.
16275 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16276 * config/s390/t-linux: New file.
16278 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16280 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16281 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16283 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16285 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16286 (ANTIC_SAFE_LOADS): New macro.
16287 (find_or_generate_expression): Add prototype.
16288 (set_contains_value): Allow null set for sake of not always having
16289 to allocate ANTIC_SAFE_LOADS.
16290 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16291 Allow COMPONENT_REF too.
16292 (valid_in_set): Allow COMPONENT_REF.
16293 Check ANTIC_SAFE_LOADS too.
16294 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16295 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16297 (can_PRE_operation): Add COMPONENT_REF.
16298 (create_component_ref_by_pieces): New function.
16299 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16300 (insert_aux): Move AGGREGATE_TYPE_P check here.
16301 (compute_avail): Set bb local stmt uids.
16302 (pass_pre): Use TODO_update_ssa_only_virtuals.
16304 2006-02-06 Ben Elliston <bje@au.ibm.com>
16306 * configure.ac: Unconditionally disable decimal float by default.
16307 * configure: Regenerate.
16309 2006-02-06 Ben Elliston <bje@au.ibm.com>
16311 * read-rtl.c (read_name): Terminate reading on EOF.
16313 2006-02-06 Ben Elliston <bje@au.ibm.com>
16315 * dfp.c (decimal_real_arithmetic): Change second argument type
16316 from int to enum tree_code. Do not always return true, but now
16317 return result of any call to decimal_do helper functions.
16318 * dfp.h (decimal_real_arithmetic): Update prototype.
16320 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16322 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16324 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16327 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16330 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16332 * tree-vrp.c (cfg_loops): Removed.
16333 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16334 Use current_loops instead of cfg_loops. Pass flags to
16335 loop_optimizer_init.
16336 * cfgloopmanip.c (fix_loop_structure): Update only available
16338 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16339 loop_optimizer_init.
16340 * modulo-sched.c (build_loops_structure): Removed.
16341 (sms_schedule): Use loop_optimizer_init.
16342 * loop-init.c (loop_optimizer_init): Use flags to determine
16343 which properties of loops to prepare.
16344 (rtl_loop_init): Pass flags to loop_optimizer_init.
16345 * tree-ssa-sink.c (execute_sink_code): Ditto.
16346 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16347 * tree-ssa-pre.c (init_pre): Ditto.
16348 * cfgloop.h (LOOPS_NORMAL): New.
16349 (loop_optimizer_init): Declaration changed.
16351 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16353 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16354 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16356 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16358 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16360 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16361 * pa/t-pa64: Delete quadlib.c rule.
16362 * pa/x-ada: Revert last change.
16363 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16365 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16367 PR rtl-optimization/26087
16368 * rtlanal.c (canonicalize_condition): Do not cross basic block
16371 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16374 * config/ia64/ia64.c: Include debug.h.
16375 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16376 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16377 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16378 (process_epilogue, process_set, process_for_unwind_directive):
16379 Output unwind info only if requested. Add CFA info if requested.
16380 Add new arguments as needed. Adjust callers.
16381 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16383 (DWARF2_FRAME_INFO): Define to zero.
16384 * config/ia64/unwind-ia64.c: Remove code that compensated for
16385 the CFA offset error fixed above.
16386 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16387 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16388 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16389 -funwind-tables and -fexceptions to enable frame info.
16390 (dwarf2out_frame_init): Define initial CFA even if
16391 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16392 DWARF2_UNWIND_INFO is nonzero, not just defined.
16393 (dwarf2out_frame_finish): Output non-EH call frame info only
16394 if DWARF2_FRAME_INFO is nonzero.
16395 (convert_cfa_to_loc_list,
16396 compute_frame_pointer_to_cfa_displacement): Define even if
16397 unwind info is not supported.
16398 (gen_subprogram_die): Use the above unconditionally. Remove
16399 legacy alternate code.
16400 * toplev.c (compile_file): Compile in call to
16401 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16402 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16404 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16405 Jakub Jelinek <jakub@redhat.com>
16407 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16408 IBM extended float format long double as "g" on powerpc*-linux.
16410 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16413 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16414 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16416 2006-02-03 Jason Merrill <jason@redhat.com>
16419 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16421 PR middle-end/25977
16422 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16423 on the return slot if it's an NRV.
16425 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16427 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16428 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16429 rewrite_use): Do not handle USE_OUTER.
16430 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16431 add_iv_outer_candidates, may_replace_final_value,
16432 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16433 (find_interesting_uses_op): Functionality of
16434 find_interesting_uses_outer_or_nonlin moved here.
16435 (find_interesting_uses_outside): Use find_interesting_uses_op.
16437 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16440 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16442 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16443 Ulrich Weigand <uweigand@de.ibm.com>
16446 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16447 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16448 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16449 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16451 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16452 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16453 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16454 Define secondary reloads for TFmode moves.
16455 (constant_modes): Add TFmode.
16456 (NR_C_MODES): Set to 8.
16457 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16459 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16460 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16461 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16462 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16463 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16464 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16465 (FPR mode macro): Add TFmode.
16466 (DSF mode macro): New.
16467 (<de>, <dee> mode attributes): Removed.
16468 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16469 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16470 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16471 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16472 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16473 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16474 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16475 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16476 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16477 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16478 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16479 "*negabs<mode>2", "sqrt<mode>2"):
16480 Changed <de> to <xde>. R constraint replaced by <Rf>.
16481 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16483 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16484 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16485 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16487 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16488 "extenddftf2", "extendsftf2"): New expanders.
16489 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16490 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16491 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16492 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16494 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16495 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16496 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16497 __floatditf): Add a GCC_4.1.0 symbol version tag.
16498 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16501 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16504 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16505 Use targetm.binds_local_p instead of TREE_PUBLIC.
16507 2006-02-02 Roger Sayle <roger@eyesopen.com>
16509 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16510 on INTEGER_TYPEs to indicate that it denotes a character type.
16511 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16512 signed_char_type_node, unsigned_char_type_node and char_type_node.
16513 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16514 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16515 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16517 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16518 Daniel Berlin <dberlin@dberlin.org>
16520 * tree-tailcall.c (arg_needs_copy_p): New function.
16521 (eliminate_tail_call): Use arg_needs_copy_p.
16522 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16523 (add_virtual_phis): New function.
16525 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16527 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16528 #ignore instead of #scratch for %g7 .register directive.
16530 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16532 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16535 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16537 * flow.c (calculate_global_regs_live): Assert that there aren't any
16540 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16542 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16543 what its name says.
16544 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16545 bsi_after_labels iterator.
16546 * tree-if-conv.c (find_phi_replacement_condition,
16547 replace_phi_with_cond_modify_expr): Likewise.
16548 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16549 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16551 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16553 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16555 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16558 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16559 array after growing it.
16561 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16563 PR middle-end/24901
16564 * fold-const.c (fold_checksum_tree): Change type of buf.
16566 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16568 * reload.c (push_secondary_reload): Initialize t_icode.
16570 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16572 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16573 -msoft-float -mlong-double-128 only issue a warning, but don't
16574 swich to DFmode long double.
16576 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16578 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16579 has a constant equivalent, iterate over equivalents for arg0,
16580 calling simplify_relational_operation and if there's a result
16581 cheaper than X, apply fold_rtx and return the result.
16583 2006-02-01 Jan Hubicka <jh@suse.cz>
16585 * opts.c (no_unit_at_a_time_default): New global variable.
16586 (decode_options): Use it.
16587 * opts.h (no_unit_at_a_time_default): Declare.
16589 2006-02-01 Paul Brook <paul@codesourcery.com>
16591 * function.c (assign_parm_setup_reg): Use function argument promotion
16593 * expr.c (expand_expr_real_1): Use function argument promotion rules
16596 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16598 * gcc.c (process_command): Change j to 'unsigned int'.
16600 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16602 PR middle-end/26001
16603 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16604 Use the corrected index for the character
16605 out of the string constant.
16607 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16609 * mode-switching.c (optimize_mode_switching): Fix size
16610 allocated for bb_info[n_entities].
16612 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16614 * gcc.c (main): Correct type that is allocated for
16615 explicit_link_files.
16617 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16619 * config/s390/s390.c (init_alignment_context): Set
16620 ALIAS_SET_MEMORY_BARRIER on the MEM.
16621 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16623 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16625 PR middle-end/25933
16626 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16628 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16631 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16633 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16634 * regrename.c: Ditto.
16635 * tree-ssa-loop-im.c: Ditto.
16636 * tree-dump.c: Ditto.
16637 * tree-complex.c: Ditto.
16638 * genrecog.c: Ditto.
16639 * tree-ssa-threadupdate.c: Ditto.
16641 * java/class.c: Ditto.
16642 * java/jcf-parse.c: Ditto.
16643 * java/resource.c: Ditto.
16644 * java/except.c: Ditto.
16645 * java/jvspec.c: Ditto.
16646 * java/jcf-write.c: Ditto.
16647 * java/jcf-path.c: Ditto.
16648 * java/gjavah.c: Ditto.
16649 * java/zextract.c: Ditto.
16650 * java/jcf-io.c: Ditto.
16651 * java/jcf.h: Ditto.
16652 * java/buffer.c: Ditto.
16653 * java/lang.c: Ditto.
16654 * java/parse-scan.y: Ditto.
16655 * java/lex.c: Ditto.
16656 * java/lex.h: Ditto.
16657 * cfgloopmanip.c: Ditto.
16658 * postreload-gcse.c: Ditto.
16659 * tree-ssa-loop-manip.c: Ditto.
16660 * postreload.c: Ditto.
16661 * tree-ssa-loop-ch.c: Ditto.
16664 * cppspec.c: Ditto.
16665 * diagnostic.c: Ditto.
16667 * genoutput.c: Ditto.
16669 * cfghooks.c: Ditto.
16670 * cfgloopanal.c: Ditto.
16671 * objc/objc-act.c: Ditto.
16673 * genextract.c: Ditto.
16674 * genautomata.c: Ditto.
16675 * pretty-print.c: Ditto.
16676 * genemit.c: Ditto.
16677 * cgraphunit.c: Ditto.
16679 * df-scan.c: Ditto.
16680 * haifa-sched.c: Ditto.
16681 * dominance.c: Ditto.
16683 * tree-ssa-loop-ivopts.c: Ditto.
16684 * df-core.c: Ditto.
16685 * mode-switching.c: Ditto.
16686 * modulo-sched.c: Ditto.
16688 * ipa-pure-const.c: Ditto.
16690 * fix-header.c: Ditto.
16692 * tree-stdarg.c: Ditto.
16693 * ipa-utils.c: Ditto.
16694 * loop-init.c: Ditto.
16695 * ipa-inline.c: Ditto.
16696 * cfganal.c: Ditto.
16698 * alloc-pool.c: Ditto.
16699 * dwarf2out.c: Ditto.
16701 * genattrtab.c: Ditto.
16702 * tree-ssa-loop-ivcanon.c: Ditto.
16703 * predict.c: Ditto.
16704 * timevar.c: Ditto.
16706 * fortran/gfortranspec.c: Ditto.
16707 * regmove.c: Ditto.
16708 * local-alloc.c: Ditto.
16709 * langhooks.c: Ditto.
16710 * function.c: Ditto.
16711 * tree-vectorizer.c: Ditto.
16713 * ipa-type-escape.c: Ditto.
16715 * tree-if-conv.c: Ditto.
16716 * profile.c: Ditto.
16718 * tree-data-ref.c: Ditto.
16719 * loop-unroll.c: Ditto.
16720 * treelang/treetree.c: Ditto.
16722 * bt-load.c: Ditto.
16723 * ggc-common.c: Ditto.
16725 * coverage.c: Ditto.
16727 * tree-cfgcleanup.c: Ditto.
16728 * tree-ssa-pre.c: Ditto.
16729 * cfgcleanup.c: Ditto.
16730 * loop-invariant.c: Ditto.
16731 * loop-iv.c: Ditto.
16732 * ipa-prop.c: Ditto.
16733 * print-tree.c: Ditto.
16734 * conflict.c: Ditto.
16735 * ggc-page.c: Ditto.
16736 * sched-deps.c: Ditto.
16737 * regclass.c: Ditto.
16738 * tree-object-size.c: Ditto.
16739 * combine.c: Ditto.
16740 * bb-reorder.c: Ditto.
16741 * resource.c: Ditto.
16742 * var-tracking.c: Ditto.
16743 * cfgloop.c: Ditto.
16744 * df-problems.c: Ditto.
16745 * reg-stack.c: Ditto.
16747 * gccspec.c: Ditto.
16748 * sched-rgn.c: Ditto.
16749 * tree-ssa-structalias.c: Ditto.
16750 * tree-ssa-reassoc.c: Ditto.
16751 * config/darwin-c.c: Ditto.
16752 * config/darwin.c: Ditto.
16753 * config/arm/arm.c: Ditto.
16755 * collect2.c: Ditto.
16756 * reload1.c: Ditto.
16758 2006-01-31 Nicolas Pitre <nico@cam.org>
16760 * arm.md (smaxsi3): Make aware of smax_m1.
16763 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16765 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16767 2006-01-31 Richard Guenther <rguenther@suse.de>
16769 * doc/invoke.texi (-msselibm): Document.
16770 * target.h (expand_library_builtin): New target hook.
16771 * builtins.c (expand_builtin): Use expand_library_builtin.
16772 (default_expand_library_builtin): New function.
16773 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16774 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16775 (link_gcc_math_spec): Declare.
16776 (static_specs): Add link_gcc_math_spec.
16777 * expr.h (default_expand_library_builtin): Declare.
16778 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16779 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16780 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16781 * config/i386/i386.opt (msselibm): New target option.
16782 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16783 (ix86_init_sse_abi_builtins): New function.
16784 (ix86_expand_library_builtin): Likewise.
16785 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16786 (override_options): Handle error conditions wrt -msselibm.
16787 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16788 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16789 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16792 2006-01-31 Richard Guenther <rguenther@suse.de>
16793 Paolo Bonzini <bonzini@gnu.org>
16795 * doc/install.texi (--disable-libgcc-math): Document.
16797 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16799 * expr.h (expand_normal): new inline function.
16800 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16801 * dojump.c: use it.
16802 * dwarf2out.c: use it.
16805 * expmed.c: use it.
16806 * except.c: use it.
16807 * config/sparc/sparc.c: use it.
16808 * config/i386/i386.c: use it.
16809 * config/rs6000/rs6000.c: use it.
16810 * config/arm/arm.c: use it.
16811 * config/mips/mips.c: use it.
16812 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16814 2006-01-30 Roger Sayle <roger@eyesopen.com>
16816 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16817 argv to the appropriate type.
16819 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16821 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16824 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16827 * config/s390/s390.c (struct machine_function): New flag
16828 decomposed_literal_pool_addresses_ok_p.
16829 (s390_reorg): Set it before final stage of literal pool transforms.
16830 (s390_decompose_address): Only accept displacements of the form
16831 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16833 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16835 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16836 the comparison routine return.
16838 2006-01-30 Michael Matz <matz@suse.de>
16840 * global.c (find_reg): Only evict for global regs.
16841 Take n_refs into account and dump more info.
16843 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16846 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16847 (pragma_trap, pragma_nosave_low_regs): Likewise.
16848 (current_function_anonymous_args): Likewise.
16849 (sh_deferred_function_attributes): New variable.
16850 (sh_deferred_function_attributes_tail): Likewise.
16851 (print_operand): For '@', look up trap_exit attribute.
16852 (calc_live_regs): Look up trapa_handler attribute. For trapa
16853 handlers, save/restore fpscr, but don't do any other
16854 interrupt-specific saves.
16855 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16856 Fix check for partially saved registers to check for SHmedia.
16857 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16858 (sh_output_function_epilogue): Don't clear any of the removed
16860 (sh_insert_attributes): Don't check pragma_interrupt.
16861 Insert deferred attributes. Check that interrupt attribute is
16862 present for other attributes that require its presence.
16863 (sh_attribute_table): Add new attributes trapa_handler and
16865 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16866 Don't check for pragma_interrupt. Don't store argument.
16867 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16868 (sh_deferred_function_attributes): Declare.
16869 (sh_deferred_function_attributes_tail): Likewise.
16870 * sh.md (sp_switch_1): Add operand. Change generator caller.
16871 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16872 (*return_i): Don't use when trap_exit attribute is in effect.
16873 (*return_trapa): New insn pattern.
16874 * sh-c.c: New file.
16875 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16876 setting c_target_objs and cxx_target_objs.
16877 * t-sh: Add rule for sh-c.o.
16879 2006-01-30 Richard Guenther <rguenther@suse.de>
16882 * gimplify.c (gimplify_target_expr): Handle easy cases
16883 without creating a temporary.
16885 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16887 * vec.h (safe_grow): Remove duplicated line.
16889 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16892 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16893 (expand_omp): ... here.
16894 (expand_omp_parallel): Only remove barriers for combined
16895 parallel+workshare constructs.
16897 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16901 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16902 * tree.c (build_qualified_type): Chain the new type to the original
16903 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16904 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16905 (build_pointer_type_for_mode): Only return unqualified types.
16906 (build_reference_type_for_mode): Likewise.
16908 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16910 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16911 * Makefile.in (CXX_COMPAT_WARN): Define.
16912 * configure: Regenerate.
16914 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16917 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16920 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16922 * toplev.c: Fix thinko.
16924 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16925 Marcin Dalecki <martin@dalecki.de>
16927 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16928 (push_srcloc): Use XNEW.
16929 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16931 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16933 * df-core.c (df_set_blocks): Deleted all variable.
16935 2006-01-28 Ian Lance Taylor <ian@airs.com>
16937 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16938 cgraph_output_pending_asms.
16940 2006-01-28 Zack Weinberg <zackw@panix.com>
16942 * c.opt: Add -W(no-)overlength-strings.
16943 * doc/invoke.texi: Document it.
16944 * c-opts.c (c_common_handle_option): -pedantic implies
16945 -Woverlength-strings, if not explicitly disabled already.
16946 (c_common_post_options): -Woverlength-strings defaults to off, and
16947 is always off for C++.
16948 * c-common.c (fix_string_type): Issue warning about strings longer
16949 than is portable only if warn_overlength_strings. Rearrange code
16950 a little for clarity.
16951 * configure.in: Check for -Wno-overlength-strings as well before
16952 enabling -pedantic in stage 1.
16953 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16954 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16956 * genconditions.c (write_header, write_one_condition)
16957 (write_conditions, write_writer): Consolidate very long strings
16958 that were broken up to fit in C89 portable limit. Don't use
16959 printf when fputs will do.
16961 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16963 * combine.c (simplify_comparison <AND>): Check
16964 TRULY_NOOP_TRUNCATION before start using a subreg.
16966 * config/mips/mips.md (*branch_zero<mode>,
16967 *branch_zero<mode>_inverted, *branch_equality<mode>,
16968 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16969 Remove mode check from comparisons.
16971 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16973 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16975 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16977 * expmed.c (const_mult_add_overflow_p): Remove.
16978 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16980 * recog.c (validate_replace_rtx_subexp): Remove.
16981 * recog.h: Remove the prototype for
16982 validate_replace_rtx_subexp.
16984 * integrate.h: Remove the prototype for
16985 copy_decl_for_inlining.
16986 * rtl.h: Remove the prototype for mark_constant_function.
16987 * tree-vectorizer.h: Remove the prototype for
16988 vect_strip_conversion.
16990 * modulo-sched.c (create_partial_schedule,
16991 free_partial_schedule, reset_partial_schedule): Make them
16994 * hooks.c (hook_bool_rtx_int_false): Remove.
16995 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16997 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16999 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17000 and -mlong-double-128 are incompatible.
17001 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17002 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
17003 (TARGET_LIBGCC2_CFLAGS): Define.
17004 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
17005 (TARGET_LIBGCC2_CFLAGS): Same.
17006 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
17008 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17011 * c-typeck.c (build_binary_op): Perform implicit casts of
17012 operands before shortening them.
17014 * cfgloopmanip.c (split_loop_bb): Remove.
17015 * cfgloop.h: Remove the prototype for split_loop_bb.
17017 * cfgloop.c (flow_loop_outside_edge_p): Remove.
17018 * cfgloop.h: Remove the prototype for
17019 flow_loop_outside_edge_p.
17021 * emit-rtl.c (init_virtual_regs): Make it static.
17022 * function.h: Remove the prototype for init_virtual_regs.
17024 * recog.c (peephole2_optimize): Make it static.
17025 * recog.h: Remove the prototype for peephole2_optimize.
17027 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17029 * df-scan.c (df_record_entry_block_defs): Check if
17030 INCOMING_RETURN_ADDR_RTX is defined.
17032 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
17033 Kenneth Zadeck <zadeck@naturalbridge.com>
17035 PR rtl-optimization/24762
17036 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17037 * targhooks.c (hook_void_bitmap): New hook prototype.
17038 * targhoohs.h (hook_void_bitmap): Ditto.
17039 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
17040 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
17041 * target.h (live_on_entry): New function pointer.
17042 * df-scan.c (df_all_hard_regs): Removed.
17043 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
17044 (df_scan_free_internal): Added df->entry_block_defs.
17045 (df_scan_alloc): Ditto.
17046 (df_scan_dump): Ditto.
17047 (df_uses_record): Plumbed flag field properly thru calls.
17048 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
17049 This part fixes PR24762.
17050 (df_bb_refs_record): Added code to make the frame and arg
17051 pointers live in EH blocks.
17052 (df_refs_record): Added call to df_record_entry_block_defs.
17053 (df_record_entry_block_defs): New function.
17054 * df-core.c: Added comments to describe new artifical defs.
17055 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
17056 (entry_block_defs): New field in struct df.
17057 (df_all_hard_regs): Deleted.
17058 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17059 * df-problems.c (df_ru_bb_local_compute_process_def):
17060 Added code to handle artifical defs in the entry to a function.
17061 (df_ru_bb_local_compute): Ditto.
17062 (df_rd_bb_local_compute_process_def): Ditto.
17063 (df_rd_bb_local_compute): Ditto.
17064 (df_lr_bb_local_compute): Ditto.
17065 (df_ur_bb_local_compute): Ditto.
17066 (df_urec_bb_local_compute): Ditto.
17067 (df_chain_create_bb): Ditto.
17068 (df_ur_local_finalize): Removed entry.
17069 (df_urec_init): Ditto.
17070 (df_urec_local_finalize): Ditto.
17071 (df_ri_bb_compute): Added detection of last use of pseudos.
17072 * Makefile.in (df-scan.o): Updated dependencies.
17073 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
17074 * config/mips/mips.c (mips_set_live_on_entry): Added.
17075 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
17077 * dce.c (marked_insn_p): Added code to handle artifical defs.
17079 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17081 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
17083 (_mm_cvtsi128_si64): Likewise.
17084 (_mm_cvtsd_si64): Likewise.
17085 (_mm_cvttsd_si64): Likewise.
17086 (_mm_cvtsi64_sd): Likewise.
17087 (_mm_cvtsi64_si128): Likewise.
17088 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17089 (_mm_cvtsi64_m64): Likewise.
17090 (_m_to_int64): Likewise.
17091 (_mm_cvtm64_si64): Likewise.
17092 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17093 (_mm_cvttss_si64): Likewise.
17094 (_mm_cvtsi64_ss): Likewise.
17095 (_mm_cvtss_f32): Likewise.
17097 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17099 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17100 for pragma redefine_extname.
17102 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17105 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17106 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17107 -mno-minimal-toc to previous content.
17108 (bispecs): Remove goal.
17109 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17110 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17111 compatibility aliases on powerpc-*-*gnu*.
17112 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17113 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17114 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17115 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17116 (ldblspecs): New goal.
17117 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17118 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17120 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17121 L_sf_to_tf or L_df_to_tf is defined.
17123 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17124 Alan Modra <amodra@bigpond.net.au>
17127 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17128 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17129 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17130 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17131 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17132 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17133 (rs6000_override_options): Initialize rs6000_ieeequad.
17134 Initialize TFmode format to ibm_extended_format if not
17136 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17138 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17139 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17140 (function_arg_advance): IBM long double passed in two FPRs, not
17142 (function_arg): IBM long double passed in FPRs.
17143 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17144 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17145 Only multireg GPR aligned.
17146 (rs6000_init_libfuncs): Enable IBM long double functions if not
17148 (rs6000_generate_compare): Use IBM long double compare if not
17150 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17151 (TARGET_IEEEQUAD): Define.
17152 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17153 not TARGET_IEEEQUAD.
17154 * config/rs6000/rs6000.md: Enable TFmode patterns if
17156 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17157 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17158 and -mlong-double-128 are incompatible.
17159 * doc/invoke.texi (-mabi): Collect options together. Add
17160 ibmlongdouble and ieeelongdouble.
17162 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17164 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17166 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17167 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17168 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17169 * rtl.h (rtunion_def): Remove rt_ptr.
17171 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17172 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17173 * config/i386/winnt.c (i386_pe_mark_dllexport)
17174 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17176 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17178 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17180 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17184 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17185 pthread_key_delete. From John David Anglin. gthrw-ify
17186 pthread_getunique_np only if it it's not a macro. Delete
17188 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17189 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17190 __gthread_objc_condition_signal, __gthread_key_delete): Add
17191 "__attribute__ ((__unused__))" to unused arguments.
17192 (__gthread_recursive_mutex_init_function): Add missing return.
17193 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17194 gthr-posix95.h: Use macro-based approach for name redirection
17195 on targets missing weakref.
17197 2006-01-26 Zack Weinberg <zackw@panix.com>
17199 * genconditions.c (write_header): In generated code, #ifdef out
17200 all includes and fake declarations, except includes of bconfig.h
17201 and system.h, unless GCC_VERSION >= 3001. Do not include
17202 gensupport.h in any case.
17203 (write_conditions): Generate a definition of struct c_test. Add
17204 a comment to the generated #endif.
17205 (write_one_condition): Escape backslashes in string too.
17206 (write_writer): Generated code must escape backslashes and quote
17207 marks (but not newlines) in the strings it writes.
17208 * Makefile.in (build/gencondmd.o): Update dependencies.
17210 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17213 * Makefile.in (insn-automata.o): Add header file dependencies.
17214 * genautomata.c: Add includes.
17216 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17219 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17221 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17223 * configure.ac: Expect target tools paths to be passed from the toplevel
17224 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17226 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17228 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17231 * c.opt (Wpointer-sign): Init to -1.
17232 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17233 OPT_pedantic, to 0 otherwise.
17234 * doc/invoke.texi: Update.
17236 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17238 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17239 constants provided by 80387 instructions in the destination mode.
17241 2006-01-26 Richard Guenther <rguenther@suse.de>
17242 Andrew Pinski <pinskia@physics.uc.edu>
17245 partial PR tree-opt/17064
17246 * tree-ssa-structalias.c (intra_create_variable_infos):
17247 Create heap variables for incoming parameters if
17248 flag_argument_noalias > 1.
17249 (find_what_p_points_to): Look through default defs of
17252 2006-01-26 Jeff Law <law@redhat.com>
17255 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17256 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17257 within the VR_RANGE, use the VR_RANGE as the result, not the
17259 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17260 bounds for the type.
17262 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17264 * tree-ssa-alias.c (maybe_create_global_var): Change
17265 subvar walking to an assertion that we don't have subvar'd variables.
17267 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17270 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17271 Use a new variable, inner. PARM_DECLs are always non-weak.
17273 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17275 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17276 --disable-checking.
17278 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17280 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17282 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17284 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17285 (smax_insn, smin_insn, smax_0, smin_0): New.
17287 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17290 * config/cris/cris.c (cris_order_for_addsi3): New function.
17291 * config/cris/cris-protos.h: Prototype it.
17292 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17293 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17294 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17295 (split for "op.S1 [rx=rx+i],ry (swapped)")
17296 (split for "op(s|u).S1 [rx=rx+i],ry")
17297 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17298 Apply cris_order_for_addsi3 when generating addsi3 insns.
17300 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17302 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17303 (TREE_BLOCK): Add call to EXPR_CHECK.
17305 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17308 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17309 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17310 (dump_omp_clauses): ... here.
17311 (dump_generic_node): Handle OMP_CLAUSE.
17312 * tree.c (omp_clause_num_ops): New.
17313 (omp_clause_code_name): New.
17314 (tree_code_size): Handle OMP_CLAUSE.
17315 (tree_size): Likewise.
17316 (make_node): Document handling of OMP_CLAUSE.
17317 (tree_node_structure): Handle OMP_CLAUSE.
17318 (omp_clause_check_failed): New.
17319 (omp_clause_range_check_failed): New.
17320 (omp_clause_operand_check_failed): New.
17321 (build_omp_clause): New.
17322 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17323 * tree.h (enum omp_clause_code): Declare.
17324 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17325 (OMP_CLAUSE_RANGE_CHECK): Define.
17326 (OMP_CLAUSE_ELT_CHECK): Define.
17327 (omp_clause_check_failed): Declare.
17328 (omp_clause_operand_check_failed): Declare.
17329 (omp_clause_range_check_failed): Declare.
17330 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17331 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17332 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17333 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17334 (OMP_CLAUSE_IF_EXPR): Likewise.
17335 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17336 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17337 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17338 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17339 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17340 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17341 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17342 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17343 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17344 (OMP_CLAUSE_CODE): Define.
17345 (OMP_CLAUSE_SET_CODE): Define.
17346 (OMP_CLAUSE_CODE): Define.
17347 (OMP_CLAUSE_OPERAND): Define.
17348 (struct tree_omp_clause): Declare.
17349 (union tree_node): Add field 'omp_clause'.
17350 * treestruct.def (TS_OMP_CLAUSE): Define.
17351 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17352 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17353 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17354 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17355 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17356 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17357 (OMP_CLAUSE): Define.
17358 * print-tree.c (print_node): Handle OMP_CLAUSE.
17359 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17360 * c-typeck.c: Likewise.
17361 * gimplify.c: Likewise.
17362 * c-omp.c: Likewise.
17363 * tree-nested.c: Likewise.
17364 * tree-inline.c: Likewise.
17365 * c-parser.c: Likewise.
17366 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17369 2006-01-25 Roger Sayle <roger@eyesopen.com>
17371 PR rtl-optimization/25703
17372 * combine.c (try_combine): Handle zero_extract and strict_low_part
17373 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17375 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17377 * global.c: Fix comment typos.
17379 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17382 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17383 Use output_addr_const instead of assemble_name.
17385 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17387 * Makefile.in (sched-vis.o): Update dependencies.
17388 * haifa-sched.c (sched_finish): Clear current_sched_info.
17389 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17390 (dump_flow_info): Call it.
17391 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17393 * basic-block.h (dump_bb_info): Declare.
17394 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17395 option, and apply options only for dump files whose TDF_RTL,
17396 TDF_TREE, or TDF_IPA bits match.
17397 * rtl.h: Declare new functions exported from sched-vis.c.
17398 * sched-vis.c: Enable also if scheduling is not used.
17399 (print_value): Print the mode of registers if not inside scheduling.
17400 (print_insn): Make it work outside the scheduler. Beautify the output
17402 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17404 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17406 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17407 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17408 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17409 depending on the value of CONSTANT_POOL_ADDRESS_P.
17410 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17412 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17413 rather than SYMBOL_REF_DECL.
17414 (rtx_constant_pool): Remove const_rtx_sym_htab.
17415 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17416 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17417 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17418 Remove handling of const_rtx_sym_htab.
17419 (find_pool_constant): Delete.
17420 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17421 rather than find_pool_constant.
17422 (get_pool_constant_for_function): Delete.
17423 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17424 find_pool_constant.
17425 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17426 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17427 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17428 (SYMBOL_REF_CONSTANT): New macro.
17429 (get_pool_constant_for_function): Delete.
17430 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17431 rather than SYMBOL_REF_DECL.
17432 (i386_pe_mark_dllimport): Likewise.
17433 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17434 rather than SYMBOL_REF_DECL.
17435 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17436 (machopic_indirect_call_target): Likewise.
17438 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17440 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17442 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17444 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17446 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17448 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17450 2006-01-24 David Daney <ddaney@avtrex.com>
17453 * configure.ac (enable_tls): New enable option.
17454 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17455 * configure: Regenerate.
17456 * doc/install.texi (--enable-tls): Document new option.
17457 (--disable-tls): Ditto.
17459 2006-01-24 Richard Henderson <rth@redehat.com>
17461 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17462 * alias.c (true_dependence): Respect it.
17463 (canon_true_dependence, write_dependence_p): Likewise.
17464 * builtins.c (get_builtin_sync_mem): Set it.
17466 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17468 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17471 2006-01-24 DJ Delorie <dj@redhat.com>
17473 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17474 for storing constants in single-bit bitfields.
17476 2006-01-25 Ben Elliston <bje@au.ibm.com>
17478 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17480 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17483 * tree-ssa-pre.c (phi_translate): Return NULL
17484 for AGGREGATE_TYPE's.
17486 2006-01-24 Zack Weinberg <zackw@panix.com>
17488 * genautomata.c (process_state_for_insn_equiv_partition):
17489 Use xcalloc for insn_arcs_array.
17490 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17491 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17493 2006-01-24 Richard Henderson <rth@redhat.com>
17495 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17496 update all callers.
17498 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17500 PR rtl-optimization/25890
17501 PR rtl-optimization/25905
17502 * combine.c (expand_compound_operation, expand_field_assignment):
17503 Fail if the bitfield's final position is out of bounds.
17505 2006-01-24 Ian Lance Taylor <ian@airs.com>
17507 PR middle-end/25930
17508 * cgraphunit.c (cgraph_output_in_order): Don't clear
17509 cgraph_asm_nodes until after asm strings have been output.
17511 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17513 * fix-header.c (read_scan_file): Add new parameter imultilib when
17514 calling register_include_chains.
17516 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17518 * omp-low.c: Update documentation.
17520 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17521 Daniel Berlin <dberlin@dberlin.org>
17525 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17526 return from the function.
17528 2006-01-22 Zack Weinberg <zackw@panix.com>
17530 * rtl.def (match_code): Add second argument.
17531 * genpreds.c (write_extract_subexp): New function.
17532 (write_match_code): Add path argument. Use write_extract_subexp.
17533 (write_predicate_expr): Pass path to write_match_code.
17534 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17535 not perform a mode test.
17536 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17537 a subexpression does not constrain the top-level code set.
17538 * read-rtl.c (read_rtx_variadic): New function.
17539 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17540 * doc/md.texi: Document new notation.
17541 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17542 (cmpsi_operand): ... here, using new notation.
17544 2006-01-22 Zack Weinberg <zackw@panix.com>
17546 * varray.c: Remove GENERATOR_FILE #ifdefs.
17548 2006-01-22 Zack Weinberg <zackw@panix.com>
17550 * genautomata.c (output_reserved_units_table): Emit nothing if
17551 description->query_units_num is zero. Remove extra blank line.
17552 (output_cpu_unit_reservation_p): Short circuit
17553 if description->query_units_num is zero.
17555 2006-01-22 Zack Weinberg <zackw@panix.com>
17557 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17558 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17559 nor any of the random handful of variables that used to be necessary
17560 when this program was linked with rtlanal.o. Prune set of forward
17561 function declarations.
17562 (struct attr_desc): Remove static_p field.
17563 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17564 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17565 (attr_string): Do not read the character one past the length of
17567 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17568 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17569 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17570 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17571 (make_automaton_attrs): New.
17572 (main): Do not call into genautomata. Call local gen_bypass
17573 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17574 Remove special case for insn_alts.
17575 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17576 varray.h (leftover from previous change). Prune set of forward
17577 function declarations. Remove state_alts fields from all
17578 structures. Remove state_alts_table from struct automaton.
17579 Make everything except main static. Do not maintain num_dfa_decls.
17580 Do not maintain state_alts fields of various structures.
17581 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17582 (add_arc): Remove state_alts argument. All callers updated.
17583 (output_reserved_units_table): Emit #ifdef here...
17584 (output_tables): ...not here. Don't generate state_alts tables.
17585 (expand_automata): Don't generate attributes.
17586 (write_automata): Don't generate state_alts functions.
17587 (main): New function.
17588 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17589 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17590 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17591 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17592 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17593 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17594 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17595 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17597 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17598 * genattrtab.h: Delete file.
17599 * Makefile.in (OBJS-common): Add insn-automata.o.
17600 (insn-automata.o): New rule.
17601 (simple_generated_c): Add insn-automata.c.
17602 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17603 (genprogmd): Add automata.
17604 (build/genattrtab): Needs no extra objects nor libraries.
17605 (build/genautomata): Needs build/vec.o and -lm.
17607 2006-01-22 Zack Weinberg <zackw@panix.com>
17609 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17610 (output_dfa_max_issue_rate, locked_states_num): Delete.
17611 (struct automaton): Add locked_states field.
17612 (output_dead_lock_vect): Save number of locked states in
17613 automaton->locked_states. If it is zero, don't print anything.
17614 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17615 (output_internal_dead_lock_func): Only test the dead_lock_vect
17616 for automata that have locked states.
17617 (output_statistics): Always print the number of locked states for
17618 each automaton. Calculate total number of locked states here.
17619 (write_automata): Don't call output_dfa_max_issue_rate.
17620 * genattrtab.c: Define length_unit_log as a const variable.
17621 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17622 max_insn_queue_index const.
17623 * final.c (length_unit_log): Declare const.
17624 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17626 2006-01-22 Zack Weinberg <zackw@panix.com>
17628 * genautomata.c: Include vec.h, not varray.h.
17629 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17630 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17631 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17632 VEC_* macros operating on appropriately typed vectors, or to
17633 malloced arrays when the size is known in advance. Const-ify
17634 many char* variables and function arguments. No functional changes.
17635 * Makefile.in (build/varray.o): Delete rule.
17636 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17637 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17639 2006-01-22 Zack Weinberg <zackw@panix.com>
17641 * gensupport.c: Define get_insn_name and record_insn_name here.
17642 (read_md_rtx): Call record_insn_name as appropriate.
17643 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17644 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17645 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17647 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17648 (BUILD_VARRAY): Delete.
17649 (genprognormal): Rename genprogmd. Fold in all programs from
17650 genprognoprint; also attrtab.
17651 (build/genattrtab): Just mention genautomata.o and varray.o.
17652 Reorganize a bit, add comments to make the categories clearer.
17654 2006-01-22 Zack Weinberg <zackw@panix.com>
17656 * genconditions.c (condition_table, add_condition): Delete.
17657 (write_conditions): Don't emit n_insn_conditions nor
17658 insn_elision_unavailable. Issue the gcc version #ifdef here,
17659 inside the table, with no #else clause ...
17660 (write_header): ...not here.
17661 (write_writer): New function.
17662 (main): Don't initialize condition_table. Use add_c_test.
17664 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17665 files on the command line.
17666 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17667 Return -1 if there is no entry in the table, don't abort.
17668 (add_c_test, traverse_c_tests): New functions.
17669 * gensupport.h (insn_elision_unavailable, insn_conditions)
17670 (n_insn_conditions): Delete declarations.
17671 (add_c_test, traverse_c_tests): Declare.
17672 * read-rtl.c: Include gensupport.h.
17673 (read_conditions): New function.
17674 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17675 (read_rtx_1): If we get EOF when we were looking for an initial
17676 open paren, return 0. Call read_conditions when appropriate.
17677 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17678 dummy-conditions.o. Eliminate references to insn-conditions.o,
17679 or change them to build/gencondmd.o, as appropriate. Remove
17680 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17681 from $(simple_generated_c). For all files remaining in those
17682 two lists, add insn-conditions.md to the generator command line.
17683 Give insn-constants.h/s-constants their own rules. Add rules
17684 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17685 (build/read-rtl.o): Depend on gensupport.h.
17686 (genprognormal): Include preds.
17687 (genprogearly): Rename genprognoprint; only difference is now that
17688 they don't link with $(BUILD_PRINT).
17689 * dummy-conditions.c: Delete.
17691 2006-01-22 Zack Weinberg <zackw@panix.com>
17693 * genextract.c: Don't include insn-config.h. Do include vec.h.
17694 Declare vectors of int, char, and locstr.
17695 (locstr): New typedef.
17696 (struct extraction): Make all array fields into bare pointers.
17697 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17698 (insn_code_number): Delete.
17699 (accum_extract): New struct.
17700 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17701 (gen_insn): Take insn_code_number as an argument. Use an
17702 accum_extract structure instead of loading data directly into
17703 a struct extraction, and having to know how big it might get.
17704 (walk_rtx): Operate entirely on an accum_extract structure.
17705 (print_path): Avoid unnecessary use of printf.
17706 (print_header): New function, split out of main. Distinguish
17707 more carefully between an unrecognizable insn and an insn that
17708 has the code number of a define_expand.
17709 (main): Pass insn_code_number to gen_insn. Call print_header
17710 only after parsing. Avoid unnecessary use of printf.
17711 * Makefile.in (build/vec.o): New rule.
17712 (build/genextract): Depend on build/vec.o.
17713 (build/genextract.o): Don't depend on insn-config.h.
17715 2006-01-22 Zack Weinberg <zackw@panix.com>
17717 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17718 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17719 practical. Eliminate per-generator-program link rules.
17721 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17723 PR middle-end/24437
17724 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17725 with a call expr to ...
17726 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17728 2006-01-23 Richard Guenther <rguenther@suse.de>
17730 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17731 before make_edge with conditional EDGE_TRUE_VALUE.
17733 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17734 Jan Hubicka <jh@suse.cz>
17735 Richard Guenther <rguenther@suse.de>
17737 PR rtl-optimization/25654
17738 * cfgexpand.c (aggregate_contains_union_type): New function.
17739 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17740 for structure variables that contain a union type.
17742 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17744 * gengtype.c (new_structure): Return the structure.
17745 (create_option): Add an extra "next" argument.
17746 (create_field): New function.
17747 (adjust_field_rtx_def): Use create_option and create_field.
17748 Remove a now-unnecessary call to find_structure.
17749 (adjust_field_tree_def): Likewise.
17750 (note_yacc_type): Remove an unnecessary call to find_structure.
17751 * gengtype.h (new_structure): Return the structure.
17752 (create_option): Add an extra argument.
17753 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17754 (option): Adjust calls to create_option.
17756 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17758 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17760 2006-01-22 Paul Brook <paul@codesourcery.com>
17761 Peter Barada <peter@the-baradas.com>
17763 * config/m68k/m68k.md: Add Coldfire FPU support.
17764 Define FP mode macro and associated attributes.
17765 Use it for float mode patterns.
17766 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17767 (LIBCALL_VALUE): Use m68k_libcall_value.
17768 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17769 (m68k_function_value): Ditto.
17770 (emit_move_sequence): Ditto.
17771 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17772 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17773 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17774 (MULTILIB_EXCEPTIONS): Ditto.
17775 * config/m68k/m68k.opt: Add mcfv4e.
17776 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17777 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17778 (m68k_output_function_prologue): Save ColdFire FPU registers.
17779 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17780 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17781 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17782 ColdFire FPU registers.
17783 (m68k_libcall_value, m68k_function_value): New functions.
17784 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17785 (LIBCALL_VALUE): Use m68k_libcall_value.
17786 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17787 (MASK_COLDFIRE): Add MASK_CFV4E.
17788 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17789 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17790 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17791 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17792 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17793 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17794 * doc/invoke.tex: Document -mcfv4e on m68k.
17796 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17798 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17801 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17804 * c-opts.c (c_common_handle_option): Don't include
17805 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17806 * doc/invoke.texi (C++ Dialect Options): Document that
17807 -Wnon-virtual-dtor is no longer included in -Wall.
17809 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17811 * gcov.c (print_version), gcov-dump.c (print_version),
17812 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17815 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17817 * df-scan.c (problem_SCAN): Added NULL reset function.
17818 (df_scan_reset_blocks): Added code to call reset block function
17819 (df_bb_refs_delete) Fixed comment.
17820 (df_insn_refs_delete): Made tolerant of deleting non existent info
17821 for dataflow problems that need to be reset.
17822 * df-core.c (df_set_blocks): Ditto.
17823 * df.h (struct df_problem): Added reset_fun.
17824 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17825 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17826 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17827 functions to clear out all references to def-use or use-def chains.
17829 2006-01-21 Ben Elliston <bje@au.ibm.com>
17831 * varasm.c (assemble_real): Initialise data array.
17833 2006-01-20 Paul Brook <paul@codesourcery.com>
17835 Merge from csl-arm-branch.
17836 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17837 * config/arm/arm.md (movdi): Force operands[1] to a register
17838 if we have a non-register source.
17839 (*arm_movdi, *movdf_soft_insn): Require that one of the
17840 operands be a register.
17841 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17842 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17844 2006-01-20 DJ Delorie <dj@redhat.com>
17846 * varasm.c (initializer_constant_valid_p): Allow pointers
17847 initialized from integer constants of lesser precision.
17848 (output_constant): Allow non-int-sized pointer modes to be
17849 initialized from integer constants.
17851 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17854 * cppdefault.h (struct default_include): Add multilib flag.
17855 * cppdefault.c (cpp_include_defaults): Set it.
17856 * c.opt (-imultilib): New option.
17857 * c-opts.c (imultilib): New.
17858 (c_common_handle_option): Handle -imultilib.
17859 (c_common_post_options): Likewise.
17860 * c-incpath.c (add_standard_paths, register_include_chains):
17862 * c-incpath.h (register_include_chains): Add extra parameter.
17863 * gcc.c (do_spec_1): Generate -imultilib option.
17864 (The Specs Language): Update %I description.
17865 (process_command): Update copyright notice.
17866 * doc/cppopts.texi (-imultilib): Document.
17867 * doc/invoke.texi (-imultilib): Include in option summary.
17868 (%I): Update specs documentation.
17870 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17872 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17874 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17876 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17879 2006-01-20 Richard Guenther <rguenther@suse.de>
17880 Steven Bosscher <stevenb.gcc@gmail.com>
17882 PR rtl-optimization/24626
17883 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17884 EDGE_TRUE_VALUE if in RTL mode.
17887 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17888 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17890 2006-01-20 Dirk Mueller <dmueller@suse.com>
17893 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17894 instead of a special NOP marker.
17895 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17896 NOP marker handling.
17897 * c-common.h (empty_body_warning): Add forward declaration.
17898 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17899 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17901 2006-01-20 Paul Brook <paul@codesourcery.com>
17903 * Makefile.in (lang_checks): Keep going if mkdir fails.
17905 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17907 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17908 be able to clean out basic block when not necessary.
17909 (df_scan_free): Fixed to properly delete information if df is
17910 unused before calling df_finish.
17911 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17912 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17914 (df_bb_refs_delete): New function.
17915 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17916 * df-core.c (df_set_blocks): Added code to properly clean out
17917 unused blocks if they are not part of the blocks to consider.
17918 Added additional null check.
17919 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17920 be able to clean out basic block when not necessary
17921 * df.h (df_free_bb_function): Ditto.
17922 (df_bb_refs_delete): New function.
17923 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17924 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17925 basic block parameter to be able to clean out basic block when not
17927 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17928 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17929 Fixed to properly delete information if df is unused before
17932 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17934 PR rtl-optimization/25799
17935 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17936 Corrected confluence operator to remove bits from op2 before oring
17937 with op1 rather than removing bits from op1.
17938 (df_ru_transfer_function): Corrected test on wrong bitmap which
17939 caused infinite loop. Both of these problems were introduced in
17940 the dataflow rewrite.
17942 2006-01-19 DJ Delorie <dj@redhat.com>
17944 * reload1.c (find_reload_regs): Note the details of reload
17945 failures in the dump file.
17946 (spill_failure): Likewise.
17948 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17950 * loop-iv.c: Include df.h and hashtab.h.
17951 (enum iv_grd_result): New enum.
17952 (DF_REF_IV, DF_REF_IV_SET): New macros.
17953 (struct biv_entry): New.
17954 (df, bivs): New global variables.
17955 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17956 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17958 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17959 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17960 analyzed_for_bivness_p, record_biv): New functions.
17961 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17962 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17963 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17965 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17967 (iv_number_of_iterations): Use new interface to iv analysis.
17968 * loop-unroll.c: Do not include varray.h.
17969 (analyze_iv_to_split_insn): Use new interface to iv
17971 * loop-unswitch.c (may_unswitch_on): Ditto.
17972 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17974 (df_bb_modify): Realloc tables to the new index.
17975 (df_find_use): New function.
17976 * df.h (df_find_use): Declare.
17977 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17979 * cfgloop.h (struct rtx_iv): Remove analysed field.
17980 (iv_get_reaching_def): Removed.
17981 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17982 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17983 (loop-iv.o): Add df.h and hashtab.h dependency.
17984 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17986 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17989 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17991 (__floatundisf, __floatundidf): Likewise.
17992 * libgcc2.h (IS_IBM_EXTENDED): Define.
17994 2006-01-19 DJ Delorie <dj@redhat.com>
17996 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17998 2006-01-19 Paul Brook <paul@codesourcery.com>
18000 * config/arm/arm.c (arm_compute_func_type): Treat all functions
18001 as nothrow when unwinding tables are disabled.
18003 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18006 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
18007 of bit-field" when in system header.
18009 2006-01-19 DJ Delorie <dj@redhat.com>
18011 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
18012 the 16 bit shift limit of the m16c.
18014 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
18017 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
18018 * config/i386/i386.c (output_set_got): Output the label if we have one
18019 for the TARGET_DEEP_BRANCH_PREDICTION case.
18021 2006-01-19 Jan Hubicka <jh@suse.cz>
18022 H.J. Lu <hongjiu.lu@intel.com>
18023 Evandro Menezes <evandro.menezes@amd.com>
18025 * invoke.texi (generic): Document
18027 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
18028 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
18029 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
18030 (x86_use_incdec, x86_pad_returns): New variables
18031 (TARGET_CPU_DEFAULT_generic): New constant
18032 (TARGET_CPU_DEFAULT_NAMES): Add generic.
18033 (enum processor_type): Add generic32 and generic64.
18034 * i386.md (cpu attribute): Add generic32/generic64
18035 (movhi splitter): Behave sanely when both partial_reg_dependency and
18036 partial_reg_stall are set.
18037 (K8 splitters): Enable for generic as well.
18038 * predicates.md (incdec_operand): Use TARGET_INCDEC
18039 (aligned_operand): Avoid memory mismatch stalls.
18040 * athlon.md: Enable for generic64, new patterns for 128bit moves.
18041 * ppro.md: Enable for generic32
18042 * i386.c (generic64_cost, generic32_cost): New.
18043 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
18044 (x86_use_leave): Enable for generic64. (x86_use_sahf,
18045 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
18046 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
18047 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
18048 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
18049 x86_partial_reg_dependency, x86_memory_mismatch_stall,
18050 x86_accumulate_outgoing_args, x86_prologue_using_move,
18051 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
18052 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
18053 Enable for generic.
18054 (x86_use_incdec, x86_pad_returns): New.
18055 (override_options): Add generic32 and generic64, translate "generic"
18056 to generic32/generic64 and "i686" to "generic32", refuse
18057 "generic32"/"generic64" as arch target.
18058 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
18059 (ix86_reorg): Honor PAD_RETURNS.
18061 2006-01-19 Diego Novillo <dnovillo@redhat.com>
18063 * tree-pretty-print.c (dump_generic_node): Handle
18064 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
18065 * cgraph.c (cgraph_expand_queue): Rename from
18066 cgraph_analyze_queue. Update all users.
18067 * cgraphunit.c (cgraph_assemble_pending_functions): Process
18068 cgraph_expand_queue.
18069 (cgraph_expand_all_functions): Likewise.
18070 (cgraph_finalize_pending_functions): Remove. Update callers.
18072 * tree.h (OMP_DIRECTIVE_P): Define.
18073 (OMP_PARALLEL_FN): Define.
18074 (OMP_PARALLEL_DATA_ARG): Define.
18075 (OMP_SECTIONS_SECTIONS): Define.
18076 * tree-pass.h (pass_expand_omp): Declare.
18077 * omp-low.c (struct omp_region): Declare.
18078 (struct omp_context): Remove fields 'parallel_type',
18079 'parallel_start_ix' and 'parallel_start_additional_args'.
18081 (struct omp_for_data): Rename from struct expand_omp_for_data.
18082 (omp_regions): New static variable.
18083 (root_omp_region): New static variable.
18084 (find_omp_clause): Make static.
18085 (is_in_combined_parallel_ctx): Remove.
18086 (is_combined_parallel): New.
18087 (extract_omp_for_data): Move earlier in the file.
18088 (workshare_safe_to_combine_p): New.
18089 (get_ws_args_for): New.
18090 (determine_parallel_type): Move earlier in the file.
18091 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18093 (omp_copy_decl): Likewise.
18094 (create_omp_child_function): Likewise.
18095 (lookup_omp_region): New.
18096 (dump_omp_region): New.
18097 (debug_omp_region): New.
18098 (debug_all_omp_regions): New.
18099 (new_omp_region): New.
18100 (scan_omp_parallel): If parallel_nesting_level > 1, the
18101 directive is nested within another parallel directive.
18102 Set OMP_PARALLEL_FN.
18103 (scan_omp_for): Do not try to handle combined parallel+for
18105 Remove FIXME comment.
18106 (scan_omp_nested): Remove.
18107 (scan_omp_1): Do not call scan_omp_nested when
18108 parallel_nesting_level is > 1.
18109 Do not change the DECL_CONTEXT of local variables found.
18110 (lookup_decl_in_outer_ctx): New.
18111 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18112 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18113 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18114 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18115 If CTX is nested, lookup VAR in the outer context when
18116 building copy assignment.
18117 (lower_send_clauses): Rename from expand_send_clauses.
18118 If CTX is nested, lookup VAR in the outer context when
18119 building copy assignments.
18120 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18121 If CTX is nested, lookup VAR in the outer context when
18122 building copy assignments.
18123 (expand_parallel_call): Rename from build_parallel_call.
18124 Handle combined parallel+workshare cases.
18125 Re-implement to emit code into the CFG.
18127 (expand_omp_parallel): Re-implement to emit code into the CFG.
18128 Call move_sese_region_to_fn to outline the sub-graph
18129 containing the parallel region.
18130 (expand_omp_for_1): Remove.
18131 (expand_omp_for_generic): Re-implement to emit code into the
18133 (expand_omp_for_static_nochunk): Likewise.
18134 (expand_omp_for_static_chunk): Likewise.
18135 (expand_omp_for): Likewise.
18136 (expand_omp_sections): Likewise.
18137 (remove_exit_barriers): New.
18138 (expand_omp_synch): New.
18140 (build_omp_regions_1): New.
18141 (build_omp_regions): New.
18142 (execute_expand_omp): New.
18143 (gate_expand_omp): New.
18144 (pass_expand_omp): Define.
18145 (lower_omp_sections): Rename from expand_omp_sections.
18146 Set OMP_SECTIONS_SECTIONS.
18147 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18148 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18149 (lower_omp_single): Rename from expand_omp_simple.
18150 (lower_omp_master): Rename from expand_omp_master.
18151 (lower_omp_ordered): Rename from expand_omp_ordered.
18152 (lower_omp_critical): Rename from expand_omp_critical.
18153 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18154 (lower_omp_for): Re-implement.
18155 (lower_omp_parallel): Re-implement.
18156 (lower_regimplify): Rename from expand_regimplify.
18157 (lower_omp_1): Rename from expand_omp_1.
18158 If there are syntax errors in the program, replace every
18159 OpenMP directive with NOP.
18160 Call lower_omp_* instead of expand_omp_*.
18161 (lower_omp): Rename from expand_omp.
18163 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18164 * tree-gimple.h (enum omp_parallel_type): Remove.
18165 (gimple_boolify): Declare extern.
18166 (find_omp_clause, determine_parallel_type): Remove.
18168 * gimple-low.c (lower_omp_directive): New.
18169 (lower_stmt): Call it.
18170 (record_vars_into): Move from ...
18171 (record_vars): ... here.
18172 Call record_vars_into with current_function_decl.
18174 * gimplify.c (struct gimplify_ctx): Remove fields
18175 combined_pre_p and combined_ctxp. Update users.
18176 (get_formal_tmp_var): Add documentation.
18177 (gimple_boolify): Make extern.
18178 (gimplify_expr_in_ctx): Remove. Update callers.
18179 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18180 will always be a BIND_EXPR.
18181 (gimplify_expr): Handle OMP_RETURN_EXPR.
18182 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18183 (OMP_PARALLEL): Add 3 operands.
18184 (OMP_SECTIONS): Add 1 operand.
18185 (OMP_RETURN_EXPR): Define.
18187 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18188 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18189 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18190 creating a circular free list.
18191 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18193 * tree-flow.h (move_sese_region_to_fn): Declare.
18194 (record_vars_into): Declare.
18195 * tree-cfg.c (make_omp_sections_edges): New.
18196 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18197 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18198 OMP_SECTIONS and OMP_SECTION.
18199 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18200 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18201 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18202 (gather_blocks_in_sese_region): New.
18203 (struct move_stmt_d): Declare.
18204 (move_stmt_r): New.
18205 (move_block_to_fn): New.
18206 (move_sese_region_to_fn): New.
18208 * passes.c (init_optimization_passes): Schedule
18209 pass_expand_omp after pass_init_datastructures.
18211 * tree-ssa-operands.c (get_expr_operands): Handle
18212 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18213 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18215 2006-01-19 Jeff Law <law@redhat.com>
18217 * tree-vrp.c (extract_range_from_assert): Refine the result range
18218 if the variable referenced by the ASSERT_EXPR has a range and
18219 either the tentative result range or the previous range is a
18222 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18224 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18226 2006-01-19 Jan Hubicka <jh@suse.cz>
18228 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18230 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18232 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18233 (expand_compound_operation, expand_field_assignment): Fail if the
18234 bit lengths of an extract operation are out of range.
18235 (make_extraction): Compute wanted_inner_mode based on the position
18236 and length of the extraction. Make it extraction_mode for non-constant
18237 positions, and do not modify offset in that case. When generating a
18238 new MEM, use a mode that can hold the extraction while keeping correct
18239 alignment. Remove code that supported MEMs wrapped by USEs.
18240 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18242 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18244 * config/s390/s390.md ("Y", "y"): New mode attribute.
18245 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18246 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18247 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18248 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18249 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18250 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18251 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18252 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18253 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18254 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18255 "addsi3", "subsi3"): Insn patterns removed.
18256 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18257 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18258 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18259 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18260 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18261 "*sub<mode>3_cconly2"): New insn patterns.
18262 ("addsi3", "subsi3"): New expanders.
18264 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18266 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18267 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18268 existing STMT_VINFO_VECTYPE if available.
18269 (vect_mark_relevant): Add special handling for stmts that are
18270 marked as STMT_VINFO_IN_PATTERN_P.
18271 (vect_analyze_loop): Call vect_pattern_recog.
18272 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18273 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18275 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18276 (vect_recog_func_ptr): New function-pointer type.
18277 * tree-vect-patterns.c: New file.
18278 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18279 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18280 (vect_pattern_recog_1): New functions.
18281 (vect_pattern_recog_funcs): New array of function pointers.
18283 * tree-vectorizer.h (ternary_op): New enum value.
18284 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18285 declaration. Revised documentation. Removed redundant dump prints.
18286 Removed redundant argument. Added support for reduction patterns.
18287 (vectorizable_reduction): Added support for reduction patterns.
18288 (vect_transform_stmt): Added support for patterns.
18290 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18291 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18292 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18293 (expand_widen_pattern_expr): New function.
18294 (init_optabs): Initialize new optabs udot_prod_optab,
18296 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18297 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18298 (expand_widen_pattern_expr): New function declaration.
18299 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18301 * tree-inline.c (estimate_num_insns_1): Added cases for new
18302 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18303 * tree-pretty-print.c (dump_generic_node): Likewise.
18304 (op_prio): Likewise.
18305 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18306 * tree-ssa-operands.c (get_expr_operands): Added case for
18308 * tree-vect-patterns.c (widened_name_p): New function.
18309 (vect_recog_dot_prod_pattern): Added function implementation.
18310 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18311 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18312 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18313 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18315 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18316 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18317 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18318 (init_optabs): Initialize new optabs widen_ssum_optab,
18320 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18321 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18322 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18323 use instead of type of def.
18324 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18325 function implementation.
18326 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18327 widen_ssumv8hi): New.
18329 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18332 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18335 * c-decl.c (add_flexible_array_elts_to_size): New function.
18336 (finish_decl): Use it.
18338 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18340 * diagnostic.h: Include options.h.
18341 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18342 dependancies for diagnostic.h.
18343 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18345 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18347 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18348 (ssa_ro_call_cache_valid): Ditto.
18349 * tree-ssa-alias.c (sort_tags_by_id): New function.
18350 (init_transitive_clobber_worklist): Ditto.
18351 (add_to_worklist): Ditto.
18352 (mark_aliases_call_clobbered): Ditto.
18353 (compute_tag_properties): Ditto.
18354 (set_initial_properties): Ditto.
18355 (compute_call_clobbered): Ditto.
18356 (compute_may_aliases): Call compute_call_clobbered and grouping.
18357 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18358 (compute_flow_insensitive_aliasing): Grouping now happens in our
18360 (setup_pointers_and_addressables): Remove clobbering related code.
18361 (add_may_alias): Ditto.
18362 (replace_may_alias): Ditto.
18363 (get_nmt_for): Ditto.
18364 (create_global_var):
18365 (is_escape_site): Return an escape_type enumeration.
18366 * tree-flow-inline.h (is_call_clobbered): Global var does not
18367 imply call clobbered.
18368 (mark_call_clobbered): Take a reason for marking this. Remove
18369 marking of globalness, and cache invalidation.
18370 (clear_call_clobbered): Remove cache invalidation code.
18371 * tree-dfa.c (dump_variable): If details is on, dump the reason
18373 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18375 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18376 (struct var_ann_d): Ditto.
18377 (enum escape_type): New.
18378 (mark_call_clobbered): Adjust prototype.
18379 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18380 are never call clobbered.
18381 Record reasons for escaping.
18382 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18383 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18384 (ssa_ro_call_cache_valid): Ditto.
18385 (clobbered_v_may_defs): Ditto.
18386 (clobbered_vuses): Ditto.
18387 (ro_call_vuses): Ditto.
18388 (clobber_stats): New.
18389 (init_ssa_operands): Zero out clobber stats.
18390 (fini_ssa_operands): Print out clobber stats.
18391 (get_call_expr_operands): Pass callee fndecl to
18392 add_call_read_ops).
18393 (add_call_clobber_ops): Remove use of cache.
18394 Add use of PURE_CONST information.
18395 (add_call_read_ops): Remove use of cache.
18396 Add use of static not_read information.
18398 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18400 Introduce TLS descriptors for i386 and x86_64.
18401 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18402 (TARGET_ANY_GNU_TLS): New macro.
18403 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18404 (struct machine_function): Add tls_descriptor_call_expanded_p.
18405 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18406 (ix86_current_function_calls_tls_descriptor): Likewise.
18407 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18408 (override_options): Introduce gnu2 tls dialect.
18409 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18411 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18413 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18414 (ix86_init_machine_status): Initialize new field.
18415 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18416 (ix86_tls_module_base): New.
18417 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18418 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18419 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18420 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18421 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18422 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18423 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18424 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18425 * config/i386/predicates.md (tls_modbase_operand): New.
18426 (tp_or_register_operand): New.
18428 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18430 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18431 (look_for_address_of): Ditto.
18432 (ipa_init): Walk the function decls.
18433 (static_execute): Don't set readonly on FUNCTION_DECL's.
18435 2006-01-18 Roger Sayle <roger@eyesopen.com>
18437 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18438 for shifts where the source and destination registers are different.
18440 2006-01-18 Paul Brook <paul@codesourcery.com>
18442 Merge from csl-arm-branch.
18443 2005-03-14 Julian Brown <julian@codesourcery.com>
18444 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18445 (aeabi_llsl): Likewise.
18446 (ashrdi3): Likewise.
18447 (aeabi_lasr): Likewise.
18448 (lshrdi3): Likewise.
18449 (aeabi_llsr): Likewise.
18450 2005-03-10 Julian Brown <julian@codesourcery.com>
18451 * config.gcc: Disable shared libgcc for SymbianOS.
18452 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18454 2006-01-18 DJ Delorie <dj@redhat.com>
18456 * c-pragma.c (handle_pragma_diagnostic): New.
18457 (init_pragma): Register it.
18458 * doc/extend.texi: Document it.
18460 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18461 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18462 (diagnostic_context): Add classify_diagnostic[].
18463 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18464 as errors if they're overridden to DK_WARNING.
18465 (diagnostic_initialize): Initialize classify_diagnostic[].
18466 (diagnostic_set_kind_override): New.
18467 (diagnostic_report_diagnostic): Check for kind changes.
18468 * opts.c (common_handle_option): Take lang_mask. Update callers.
18469 Handle OPT_Werror_.
18470 * common.opt (Werror=): New.
18471 * doc/invoke.texi: Document -Werror=*
18473 2006-01-18 Jeff Law <law@redhat.com>
18475 * tree-vrp.c (test_for_singularity): Correct test for new
18476 min limit. Use operand_equal_p rather than pointer equality
18477 for testing if new min/max values are equal.
18479 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18480 using range information until after propagation and folding.
18482 2006-01-18 Richard Henderson <rth@redhat.com>
18483 Aldy Hernandez <aldyh@redhat.com>
18484 Jakub Jelinek <jakub@redhat.com>
18485 Diego Novillo <dnovillo@redhat.com>
18487 * omp-low.c: New file.
18488 * c-omp.c: New file.
18490 2006-01-18 Richard Henderson <rth@redhat.com>
18491 Jakub Jelinek <jakub@redhat.com>
18492 Diego Novillo <dnovillo@redhat.com>
18494 * doc/invoke.texi: Document -fopenmp.
18495 * tree-dump.h (debug_function): Declare.
18496 * hooks.c (hook_bool_tree_bool_false): New function.
18497 (hook_tree_tree_null): Remove.
18498 (hook_tree_tree_tree_null): New.
18499 * hooks.h: Update to match.
18500 * tree-pretty-print.c (debug_tree_chain): New.
18501 (print_generic_expr): Handle TDF_CHAIN.
18502 (dump_generic_node): Handle BLOCK.
18503 Do not abort with incomplete SWITCH_EXPRs.
18504 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18505 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18506 print space after directive name.
18507 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18508 Handle OMP_MASTER and OMP_ORDERED.
18509 Handle printing of OMP_BODY just in one place, goto
18510 dump_omp_body in the rest of OMP_* nodes that have
18512 Don't handle clause nodes here. Update omp statements to
18513 use dump_omp_clauses.
18514 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18515 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18516 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18517 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18518 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18519 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18520 Adjust output for GOMP_PARALLEL.
18521 (dump_omp_clauses): New.
18522 (print_declaration): Dump DECL_VALUE_EXPR.
18523 (op_symbol_1): Split out of op_symbol.
18524 (dumping_stmts): Remove. Update all users.
18525 * cgraph.c (cgraph_analyze_queue): New.
18526 (cgraph_add_new_function): New.
18527 * cgraph.h (cgraph_analyze_queue): Declare.
18528 (cgraph_add_new_function): Declare.
18529 (cgraph_lower_function): Remove.
18530 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18531 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18532 and TYPE_P nodes in its default clause.
18533 (empty_body_p): New.
18534 (tree_range_check_failed): New.
18535 (build5_stat): New.
18536 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18537 OMP_CLAUSE_REDUCTION_MERGE,
18538 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18539 OMP_CLAUSE_PRIVATE_DEBUG,
18540 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18541 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18542 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18543 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18544 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18545 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18546 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18547 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18548 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18549 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18550 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18551 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18552 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18553 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18554 (TREE_RANGE_CHECK): New.
18555 (empty_body_p): Declare.
18556 (enum omp_clause_default_kind): New.
18557 (build_string_literal): Declare.
18558 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18559 (build5_stat, build5): Declare.
18560 * tree-pass.h (TDF_CHAIN): Define.
18561 * tree-pass.h (PROP_gimple_lomp): Define.
18562 (pass_lower_omp): Declare.
18563 * diagnostic.h (debug_tree_chain): Declare.
18564 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18566 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18567 * builtins.c (build_string_literal): Make extern.
18568 * gcc.c (include_spec_function): New.
18569 (static_spec_functions): Add it.
18570 (main): Move load of libgomp.spec ...
18571 (LINK_COMMAND_SPEC): ... here.
18572 (link_gomp_spec): New.
18573 (static_specs): Include it.
18574 (LINK_COMMAND_SPEC): Add link_gomp.
18575 (GOMP_SELF_SPECS): New.
18576 (driver_self_specs): Include it.
18577 (switch_matches): Don't mark inline.
18578 (main): Load libgomp.spec.
18579 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18580 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18581 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18582 * tree-gimple.h (enum omp_parallel): Declare.
18583 (determine_parallel_type): Declare.
18584 (omp_firstprivatize_variable): Declare.
18585 (omp_reduction_init): Declare.
18586 (diagnose_omp_structured_block_errors): Declare.
18587 (struct walk_stmt_info): Add want_return_expr.
18588 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18589 (find_omp_clause): Declare.
18590 (insert_field_into_struct): Declare.
18591 (struct walk_stmt_info): Move from tree-nested.c
18592 (walk_stmts): Declare.
18593 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18595 * cgraphunit.c (cgraph_lower_function): Make static.
18596 (cgraph_finalize_pending_functions): New.
18597 (cgraph_finalize_function): Call it.
18598 (cgraph_finalize_compilation_unit): Likewise.
18599 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18600 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18601 (BT_FN_UINT_UINT): New.
18602 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18603 DEF_FUNCTION_TYPE_VAR_4): Document.
18604 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18605 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18606 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18607 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18608 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18609 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18610 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18611 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18612 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18613 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18614 into separate files.
18615 (DEF_GOMP_BUILTIN): New.
18616 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18617 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18618 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18619 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18620 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18621 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18622 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18623 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18624 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18625 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18626 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18627 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18628 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18629 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18630 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18631 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18632 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18633 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18634 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18635 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18636 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18637 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18638 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18639 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18640 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18641 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18642 * sync-builtins.def: New file, moved from builtins.def.
18643 * omp-builtins.def: New file, moved from builtins.def.
18644 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18645 * gimple-low.c (lower_function_body): Clear data.
18646 (lower_stmt): Do not handle COMPOUND_EXPR.
18647 Remove call to print_node_brief.
18648 * c-tree.h (c_finish_omp_clauses): New prototype.
18649 (C_DECL_THREADPRIVATE_P): Define.
18650 (lookup_name_no_remap, c_omp_remap_private): Remove
18651 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18652 (check_for_loop_decls): Update decl.
18653 (lookup_name_no_remap, c_omp_remap_private): Declare.
18654 (build_indirect_ref, build_modify_expr, pushdecl,
18655 pushdecl_top_level): Move to c-common.h.
18656 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18657 before the switch, but just in the 2 places that need it.
18658 * c-decl.c (diagnose_mismatched_decls): Do not check for
18659 mismatched thread-local attributes when OLDDECL is marked
18660 threadprivate and NEWDECL has no thread-local attributes.
18661 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18662 (c_gimple_diagnostics_recursively): Rename from
18663 c_warn_unused_result_recursively. Invoke
18664 diagnose_omp_structured_block_errors.
18665 (check_for_loop_decls): Return a singular decl found.
18666 * langhooks.c (lhd_omp_predetermined_sharing): Return
18667 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18668 (lhd_omp_firstprivatize_type_sizes): New.
18669 (lhd_omp_assignment): New.
18670 (lhd_omp_predetermined_sharing): New.
18671 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18672 (struct lang_hooks_for_types): Add
18673 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18674 omp_predetermined_sharing, omp_disregard_value_expr,
18675 omp_private_debug_clause, omp_clause_default_ctor,
18676 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18677 (c_finish_omp_clauses): New.
18678 (c_finish_bc_stmt): Diagnose break within omp for.
18679 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18680 (build_unary_op): Return error_mark after reporting
18682 (build_modify_expr): Likewise.
18683 * gimplify.c: Include optabs.h and pointer-set.h.
18684 (enum gimplify_omp_var_data): Declare.
18685 (struct gimplify_omp_ctx): Declare.
18686 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18688 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18689 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18690 (splay_tree_compare_decl_uid): New.
18691 (new_omp_context): New.
18692 (delete_omp_context): New.
18693 (gimple_add_tmp_var): Call omp_add_variable.
18694 (gimplify_bind_expr): Likewise.
18695 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18696 true, disregard DECL_VALUE_EXPR on the decl if any.
18697 (gimplify_expr_in_ctx): New.
18698 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18699 omp_add_variable, omp_notice_variable, omp_is_private
18700 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18701 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18702 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18703 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18704 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18705 gimplify_omp_atomic): New.
18706 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18707 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18708 OMP_CRITICAL and OMP_ATOMIC.
18709 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18710 * c-pragma.h (enum pragma_kind): Add
18711 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18712 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18713 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18714 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18715 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18716 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18717 PRAGMA_OMP_THREADPRIVATE.
18718 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18719 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18720 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18721 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18722 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18723 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18724 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18725 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18726 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18727 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18728 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18729 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18730 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18732 (struct nesting_info): Add field_map,
18733 suppress_expansion, debug_var_chain.
18734 (create_nesting_tree): Initialize them.
18735 (lookup_field_for_decl): Use field_map.
18736 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18737 (convert_local_omp_clauses): New.
18738 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18739 (walk_body): Split out of walk_function.
18740 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18741 (convert_nonlocal_reference): Handle omp statements.
18742 (convert_local_reference): Likewise.
18743 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18744 (unnest_nesting_tree): New.
18745 (lower_nested_functions): Call it.
18746 (insert_field_into_struct): Make extern.
18747 (struct walk_stmt_info): Move to tree-gimple.h.
18748 (walk_stmts): Make extern.
18749 * omp-builtins.def: New file.
18750 * tree-iterator.c (expr_only): Clarify comment.
18751 * c-common.h (pushdecl_top_level, pushdecl,
18752 build_modify_expr, build_indirect_ref,
18753 c_finish_omp_master, c_finish_omp_critical,
18754 c_finish_omp_ordered, c_finish_omp_barrier,
18755 c_finish_omp_atomic, c_finish_omp_flush,
18756 c_finish_omp_for, c_split_parallel_clauses,
18757 omp_clause_default_kind, c_omp_sharing_predetermined,
18758 c_omp_remap_decl): Declare.
18759 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18760 (OBJS-common): Add omp-low.o.
18761 (c-omp.o, omp-low.o): Add.
18762 (gimplify.o): Add dependency on $(OPTABS_H).
18763 (GTFILES): Add omp-low.c.
18764 (gt-stringpool.h): Add.
18765 * tree-cfg.c (set_bb_for_stmt): Do not update the
18766 block-to-labels map if we are currently expanding to RTL.
18767 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18769 Handle IDENTIFIER_NODE.
18770 (tree_verify_flow_info): Do not ICE when emitting error
18771 messages about invalid labels.
18772 (dump_function_to_file): Reset CFUN before emitting the body
18774 (debug_function): New.
18775 * passes.c (init_optimization_passes): Schedule
18777 * langhooks-def.h (lhd_omp_predetermined_sharing,
18778 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18780 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18781 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18782 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18783 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18784 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18785 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18786 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18787 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18788 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18789 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18790 (LANG_HOOK_DECLS): Use them.
18792 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18793 Richard Henderson <rth@redhat.com>
18794 Jakub Jelinek <jakub@redhat.com>
18795 Diego Novillo <dnovillo@redhat.com>
18797 * c-parser.c (pragma_omp_clause): Define.
18798 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18799 (c_parser_compound_statement): Likewise.
18800 (c_parser_statement): Likewise.
18801 (c_parser_pragma): Handle omp pragmas.
18802 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18803 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18804 (c_parser_omp_clause_name, check_no_duplicate_clause,
18805 c_parser_omp_variable_list,
18806 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18807 c_parser_omp_clause_copyprivate,
18808 c_parser_omp_clause_default,
18809 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18810 c_parser_omp_clause_lastprivate,
18811 c_parser_omp_clause_nowait,
18812 c_parser_omp_clause_num_threads,
18813 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18814 c_parser_omp_clause_reduction,
18815 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18816 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18817 c_parser_omp_atomic, c_parser_omp_barrier,
18818 c_parser_omp_critical, c_parser_omp_flush,
18819 c_parser_omp_for_loop, c_parser_omp_for,
18820 c_parser_omp_master, c_parser_omp_ordered,
18821 c_parser_omp_sections_scope, c_parser_omp_sections,
18822 c_parser_omp_parallel, c_parser_omp_single,
18823 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18824 * c-pragma.c (init_pragma): Do omp pragma registration here.
18825 * c.opt (fopenmp): New flag.
18827 2006-01-18 Eric Christopher <echristo@apple.com>
18829 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18830 * config/darwin.h (GOMP_SELF_SPECS): Define.
18832 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18834 * rtl.h: Remove the prototype for reg_alloc.
18836 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18839 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18840 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18841 sjlj and dwarf2 exception handling.
18842 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18843 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18844 * pa/pa.c (function_value): Treat complex and vector types as
18846 (function_arg): Likewise. Only pass scalar floats in the floating
18847 point argument registers.
18848 * pa/t-slibgcc-dwarf-ver: New file.
18849 * pa/t-slibgcc-sjlj-ver: New file.
18850 * pa/t-slibgcc-elf-ver: Delete file.
18852 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18854 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18855 unlikely_test_section_p test.
18857 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18859 * mode-switching.c (optimize_mode_switching): Make it static.
18860 * basic-block.h: Remove the prototype for
18861 optimize_mode_switching.
18863 * modulo-sched.c (sms_schedule): Make it static.
18864 * rtl.h: Remove the prototype for sms_schedule.
18866 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18867 * rtl.h: Remove the prototype for gcse_after_reload_main.
18869 * reg-stack.c (reg_to_stack): Make it static.
18870 * rtl.h: Remove the prototype for reg_to_stack.
18872 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18874 * rtl.h: Remove the prototypes for regrename_optimize and
18875 copyprop_hardreg_forward.
18877 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18879 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18880 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18881 Test against the appropriate null constant for the mode.
18882 If 'fixup_overlap' is true, swap the operands if they overlap.
18883 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18884 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18885 alpha_split_tmode_pair and adjust for above change.
18886 * config/alpha/alpha.md (movtf_internal): Adjust call to
18887 alpha_split_tfmode_pair and rely on it to swap the operands.
18888 (movti_internal): New insn and post-reload splitter.
18889 (movti): New expander.
18891 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18893 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18896 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18898 * rtlanal.c (global_reg_mentioned_p_1,
18899 global_reg_mentioned_p): Remove.
18900 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18902 * flow.c (initialize_uninitialized_subregs): Make it static.
18903 * rtl.h: Remove the prototype for
18904 initialize_uninitialized_subregs.
18906 * function.c (instantiate_virtual_regs): Make it static.
18907 * function.h: Remove the prototype for
18908 instantiate_virtual_regs.
18910 * regmove.c (regmove_optimize, combine_stack_adjustments):
18912 * rtl.h: Remove the prototypes for regmove_optimize and
18913 combine_stack_adjustments.
18915 2006-01-17 Roger Sayle <roger@eyesopen.com>
18917 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18918 (size_cost): Encode costs in bytes so that a reg-reg addition is
18919 equivalent to COSTS_N_INSNS(1).
18920 (override_options): Use the size_cost.branch_cost as the default
18921 ix86_branch_cost when optimizing for size.
18923 2006-01-18 Ben Elliston <bje@au.ibm.com>
18925 * Makefile.in (D32PBIT_FUNCS): New.
18926 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18927 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18928 D64PBIT_FUNCS and D128PBIT_FUNCS.
18929 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18930 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18932 (decnumber_dep): Define.
18933 * doc/libgcc.texi (Decimal float library routines): New node.
18934 * config/dfp-bit.h, config/dfp-bit.c: New files.
18936 2006-01-18 Ben Elliston <bje@au.ibm.com>
18938 * expr.c (emit_move_change_mode): Always adjust addresses, not
18939 just during reload. Copy replacements only during reload.
18940 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18941 emit_move_via_integer.
18943 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18945 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18946 instead of $(srcdir) and ${srcdir}.
18948 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18951 PR middle-end/11135
18952 * arm.h (struct machine_function): Add pic_reg.
18953 * arm.c (arm_pic_register): Make unsigned.
18954 (arm_override_options): Only set arm_pic_register if
18955 TARGET_SINGLE_PIC_BASE.
18956 (use_return_insn): Only test for a pic register if it is fixed.
18957 (arm_compute_save_reg0_reg12_mask): Likewise.
18958 (thumb_compute_save_reg_mask): Likewise.
18959 (legitimate_pic_operand): Factor out some known invariants.
18960 (legitimize_pic_address): If we don't have a fixed pic register,
18961 then set up a pseudo in the function entry sequence. Handle the
18962 pic base being in a pseudo.
18963 (arm_load_pic_register): Handle the pic register being in a pseudo.
18964 (arm_expand_prologue): Only set up the pic register if it is fixed.
18965 (thumb_expand_prologue): Likewise.
18966 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18967 (pic_load_addr_based_insn): Likewise.
18968 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18971 2006-01-18 Ben Elliston <bje@au.ibm.com>
18973 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18974 decimal float modes for all floating point registers.
18976 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18977 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18979 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18982 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18983 even when the pointer is not NULL.
18985 2006-01-16 Ian Lance Taylor <ian@airs.com>
18987 * common.opt (ftoplevel-reorder): New option.
18988 * cgraph.c (cgraph_asm_nodes): New global variable.
18989 (cgraph_asm_last_node): New static variable.
18990 (cgraph_order): New global variable.
18991 (cgraph_create_node): Set new order field.
18992 (cgraph_varpool_node): Likewise.
18993 (decide_is_variable_needed): Return true if not
18994 flag_toplevel_reorder.
18995 (cgraph_add_asm_node): New function.
18996 * cgraph.h (struct cgraph_node): Add order field.
18997 (struct cgraph_varpool_node): Add order field.
18998 (struct cgraph_asm_node): Define.
18999 (cgraph_asm_nodes, cgraph_order): Declare.
19000 (cgraph_add_asm_node): Declare.
19001 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
19003 (cgraph_varpool_assemble_pending_decls): Call it.
19004 (cgraph_output_pending_asms): New static function.
19005 (cgraph_finalize_compilation_unit): Call it.
19006 (struct cgraph_order_sort): Define.
19007 (cgraph_output_in_order): New static function.
19008 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
19009 !flag_toplevel_reorder case.
19010 * c-parser.c: Include "cgraph.h".
19011 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
19013 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
19014 than -fno-unit-at-a-time.
19015 * doc/invoke.texi (Option Summary): Mention
19016 -fno-toplevel-reorder.
19017 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
19018 -funit-at-a-time documentation.
19020 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
19021 Kazu Hirata <kazu@codesourcery.com>
19023 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
19025 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
19027 * Makefile.in (FUNCTION_H): New. Use it instead of
19028 function.h throughout the file.
19029 * function.h: Include tree.h.
19031 2006-01-17 Ben Elliston <bje@au.ibm.com>
19033 * recog.c: Separate some functions with whitespace.
19035 2006-01-16 Richard Henderson <rth@redhat.com>
19037 Merge from gomp branch:
19038 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
19039 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
19040 and rename from struct inline_data. Rename callee* to dst*;
19041 caller* to src*; add copy_decl hook, transform_call_graph_edges,
19042 transform_new_cfg, transform_return_to_modify, and
19043 transform_lang_insert_block flags; remove cloning_p, versioning_p,
19045 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
19046 (copy_decl_for_dup): Remove.
19047 * tree-inline.c (struct inline_data): Move to header.
19048 (insert_decl_map): Export.
19049 (remap_decl): Update for member name changes. Use copy_decl hook.
19050 Allow for replacement to be a non-decl. Remove dead code.
19051 (remap_type_1): Check for existing mapping.
19052 (remap_type): Export.
19053 (remap_decls): Update for member name changes.
19054 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
19055 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
19056 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
19057 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
19058 (tree_function_versioning, build_duplicate_type): Likewise.
19059 (copy_body_r): Likewise. Export.
19060 (copy_decl_for_dup): Split into ...
19061 (copy_decl_for_dup_finish, copy_decl_to_var,
19062 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
19063 (replace_ref_tree, inlining_p): Remove.
19065 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19067 * ifcvt.c (if_convert): Make it static.
19068 * rtl.h: Remove the prototype for if_convert.
19070 * local-alloc.c (local_alloc): Make it static.
19071 * rtl.h: Remove the prototype for local_alloc.
19073 * loop.c (loop_optimize): Make it static.
19074 * cfgloop.h: Remove the prototype for loop_optimize.
19077 2006-01-16 DJ Delorie <dj@redhat.com>
19079 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
19082 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19084 * pa.md: Disparage copies between general and floating-point registers
19085 in 32-bit move patterns.
19087 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19090 * Makefile.in (check-%): Depend on site.exp instead of
19091 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19094 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19096 * global.c (global_alloc): Make it static.
19097 * rtl.h: Remove the prototype for global_alloc.
19099 2006-01-16 Richard Guenther <rguenther@suse.de>
19101 * tree-ssa-alias.c (struct used_part): Add write_only field.
19102 (get_or_create_used_part_for): Initialize it to true.
19103 (create_overlap_variables_for): Don't create structure variables
19104 for structures that only are written to.
19105 (find_used_portions): Handle MODIFY_EXPR to track whether a
19106 structure is only written to.
19108 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19110 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19112 * basic-block.h: Remove the prototype for
19113 partition_hot_cold_basic_blocks.
19115 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19117 * cppspec.c (lang_specific_spec_functions): Remove.
19118 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19119 * gcc.h (lang_specific_spec_functions): Remove.
19120 * gccspec.c (lang_specific_spec_functions): Remove.
19122 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19124 * combine.c (record_value_for_reg): Invalidate registers
19126 (record_dead_and_set_regs_1): Likewise, by passing them to
19127 record_value_for_reg.
19128 (record_dead_and_set_regs): Invalidate stores made by a
19129 call. We do not combine across a call, but we still
19130 relied on equivalences.
19132 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19134 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19135 vrp_int_const_binop returning non-constant nodes.
19137 2006-01-16 Paul Brook <paul@codesourcery.com>
19139 * config/m68k/m68k.c (output_move_const_into_data_reg):
19140 Output correct mnemonic for mvz and mvs.
19142 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19144 * rtl-factoring.c: Add sequence abstraction algorithm.
19145 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19146 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19148 (block_has_preserve_label): New function.
19149 * common.opt: Register new pass.
19150 * Makefile.in: Ditto.
19152 * timevar.def: Ditto.
19153 * tree-pass.h: Ditto.
19154 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19155 * rtl.h (make_jump_insn_raw): Add forward decl.
19156 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19158 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19159 Roger Sayle <roger@eyesopen.com>
19161 * fold-const.c (fold_minmax): New static function.
19162 (fold_binary) <MIN_EXPR>: Call it.
19163 <MAX_EXPR>: Likewise.
19164 * stor-layout.c (place_field): Use DECL_SIZE consistently
19165 in the computation of the new record size.
19167 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19169 * cse.c (cse_condition_code_reg): Make it static.
19170 * rtl.h: Remove the prototype for cse_condition_code_reg.
19172 * combine.c (combine_instructions): Make it static.
19173 * rtl.h: Remove the prototype for combine_instructions.
19175 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19178 * tree.c (get_file_function_name_long): Concatenate the first global
19179 object name with a string derived from the input filename of the object
19182 2006-01-16 Ben Elliston <bje@au.ibm.com>
19184 * config/i386/winnt-stubs.c: Update FSF address.
19185 * config/xtensa/ieee754-df.S: Ditto.
19186 * config/xtensa/ieee754-sf.S: Ditto.
19188 2006-01-14 Ian Lance Taylor <ian@airs.com>
19190 * ifcvt.c (noce_init_if_info): New static function, broken out of
19191 noce_process_if_block.
19192 (noce_process_if_block): Call noce_init_if_info.
19193 (check_cond_move_block): New static function.
19194 (cond_move_process_if_block): New static function.
19195 (process_if_block): Call cond_move_process_if_block.
19197 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19199 * cselib.c (hash_table): Rename to cselib_hash_table.
19200 (cselib_clear_table, discard_useless_values,
19201 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19202 cselib_init, cselib_finish): Adjust uses of hash_table.
19204 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19206 PR tree-optimization/25485
19207 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19208 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19209 is known to be false and true, respectively.
19211 2006-01-14 Richard Guenther <rguenther@suse.de>
19213 PR tree-optimization/22548
19214 PR tree-optimization/22555
19215 PR tree-optimization/22501
19216 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19217 * params.def (salias-max-array-elements): New parameter.
19218 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19219 * doc/invoke.texi (salias-max-array-elements): Document.
19220 * tree-flow-inline.h (var_can_have_subvars): We also handle
19222 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19224 * tree-ssa-structalias.c (params.h): Include.
19225 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19226 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19227 (get_constraint_for): For ADDR_EXPR operating on something
19228 containing an ARRAY_REF, add all subvars to the solution.
19229 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19230 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19231 for creating MUST_DEFs.
19232 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19234 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19236 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19238 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19239 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19240 number_of_iterations_le): New functions.
19241 (number_of_iterations_special): Removed.
19242 (number_of_iterations_exit): Do not use number_of_iterations_special.
19243 * tree.c (unsigned_type_for): Always return integer type.
19245 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19246 Richard Guenther <rguenther@suse.de>
19248 PR rtl-optimization/24257
19249 * gcse.c (find_moveable_store): Only consider a store movable
19250 when the SET_SRC of the insn can be assigned to a register.
19252 2006-01-14 Ian Lance Taylor <ian@airs.com>
19254 * tree.c (tree_not_class_check_failed): New function.
19255 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19256 (tree_not_class_check_failed): Declare.
19258 2006-01-13 Ian Lance Taylor <ian@airs.com>
19260 * reload1.c (do_output_reload): Add assertion rejecting a
19263 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19265 * combine.c (struct reg_stat): Add new fields truncation_label and
19267 (record_value_for_reg): Reset truncated_to_mode.
19268 (record_truncated_value): New function.
19269 (check_promoted_subreg): Call it. Rename to check_conversions.
19270 (combine_instructions): Rename check_promoted_subreg to
19272 (reg_truncated_to_mode): New function.
19273 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19274 (gen_lowpart_or_truncate): New function.
19275 (force_to_mode): Use it instead of gen_lowpart.
19277 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19279 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19280 VAR is a tag, not its type tag.
19282 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19284 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19285 alternatives to match style of other entries.
19286 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19288 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19290 PR tree-optimization/25771
19291 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19294 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19297 * tree-inline.c (declare_return_variable): If the return variable
19298 was marked as a non gimple complex, set the return slot variable
19299 to be a non gimple comple variable.
19301 2006-01-13 Richard Guenther <rguenther@suse.de>
19303 * builtins.c (expand_builtin_sincos): New function.
19304 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19306 (expand_builtin): Expand sincos using expand_builtin_sincos.
19308 2006-01-12 DJ Delorie <dj@redhat.com>
19310 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19311 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19312 so that constant shifts can be split.
19313 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19314 (m32c_valid_pointer_mode): Make static.
19315 (shift_gen_func_for): New.
19316 (m32c_prepare_shift): Use it. Split large const shifts into
19318 * config/m32c/predicates.md (shiftcount_operand): Allow more
19320 (longshiftcount_operand): New.
19321 * doc/md.texi (Machine Constraints): Document In6.
19323 2006-01-13 Ben Elliston <bje@au.ibm.com>
19325 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19326 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19329 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19331 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19332 to try to avoid clobbering pieces of structures when we know
19333 something about the whole structure.
19334 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19336 2006-01-13 Ben Elliston <bje@au.ibm.com>
19338 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19339 return in memory, as this is no limitation is no longer present.
19341 2006-01-12 DJ Delorie <dj@redhat.com>
19343 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19344 mova with fb, and for fb+0 -> An.
19346 * config/m32c/mov.md (peephole2): Fix enabling logic.
19348 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19349 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19350 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19351 FINI_ARRAY_SECTION_ASM_OP): Define.
19353 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19355 (m32c_legitimize_reload_address): New logic to reload FB to An.
19356 (m32c_output_reg_push): Add newline.
19357 (m32c_output_reg_pop): Likewise.
19359 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19361 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19363 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19365 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19367 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19369 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19372 2006-01-11 Ben Elliston <bje@au.ibm.com>
19374 * rtlanal.c (find_reg_note): Assert insn is not null.
19376 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19378 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19381 2006-01-11 Jeff Law <law@redhat.com>
19383 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19385 (mark_threaded_blocks, register_jump_thread): New functions.
19386 (thread_through_all_blocks): Remove unwanted argument. No
19387 longer rely on e->aux to communicate thread target info.
19388 Call mark_threaded_blocks. Release the threaded_blocks
19389 bitmap and threaded_edges vector when complete.
19390 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19391 (threaded_blocks): Remove.
19392 (tree_ssa_dominator_optimize): Remove initialization and
19393 finalization of threaded_blocks. Simplify call to
19394 thread_through_all_blocks.
19395 (thread_across_edge): Call register_jump_thread rather than
19396 storing thread information into e->aux.
19397 (free_all_edge_infos): Simplify now that e->aux is no longer
19398 used to communicate with thread_through_all_blocks.
19399 * tree-flow.h (thread_through_all_blocks): Update prototype.
19400 (register_jump_thread): Prototype.
19402 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19404 * df-core.c (df_compact_blocks, df_bb_replace): Use
19405 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19407 2006-01-11 Richard Guenther <rguenther@suse.de>
19409 PR tree-optimization/25734
19410 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19411 stop propagation after successful propagation to the LHS.
19413 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19415 * basic-block.h (control_flow_graph): Change the type of
19416 x_basic_block_info to VEC(basic_block,gc) *.
19417 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19419 (SET_BASIC_BLOCK): New.
19420 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19421 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19422 * cfgbuild.c (find_basic_blocks): Likewise.
19423 * cfglayout.c (fixup_reorder_chain): Likewise.
19424 * cfgrtl.c (create_basic_block_structure,
19425 rtl_create_basic_block): Likewise.
19426 * ifcvt.c (find_if_case_1): Likewise.
19427 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19430 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19432 * Makefile.in: Removed rotted odf.c entry.
19434 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19437 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19438 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19439 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19440 output pattern modifier, not %e.
19441 * config/cris/cris.c (cris_op_str): Update comment about pattern
19443 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19444 before falling through into...
19445 <case 'E'>: Redefined from old 'e' case.
19447 2006-01-11 Jan Hubicka <jh@suse.cz>
19450 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19452 2006-01-11 Jan Hubicka <jh@suse.cz>
19454 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19455 * i386.c (x86_decompose_lea): Kill.
19456 (ix86_rtx_costs): Kill.
19458 2006-01-11 Jan Hubicka <jh@suse.cz>
19460 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19461 * cgraph.h (cgraph_node): Add inline_decl.
19462 (cgraph_insert_node_to_hashtable): Declare.
19463 (save_inline_function_body): Declare.
19464 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19466 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19467 (cgraph_function_versioning): Update call of tree_function_versioning.
19468 (save_inline_function_body): New function.
19469 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19470 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19471 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19472 (cgraph_default_inline_p): Likewise.
19473 (cgraph_decide_inlining_incrementally): Likewise.
19474 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19475 (copy_bb): Kill saving; do updating of clones.
19476 (copy_cfg_body): Kill saving.
19477 (initialize_inlined-parameters): Likewise.
19478 (expand_call_inline): Likewise.
19480 (tree_function_versioning): New parameter "update_clones".
19481 (inlining_p): Kill saving.
19482 * tree-inline.h (tree_function_versioning): Update prototype.
19483 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19486 2006-01-11 Ian Lance Taylor <ian@airs.com>
19488 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19489 Allow undoing set of machine mode.
19490 (do_SUBST): Use enums instead of is_int.
19491 (do_SUBST_MODE): New function.
19492 (SUBST_MODE): New macro.
19493 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19494 reg and trying to replace reg_regno_rtx with a new register.
19495 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19496 (simplify_set): Use SUBST_MODE.
19497 (distribute_notes): Remove code that tried to update reg notes
19498 for regno_reg_rtx changes.
19500 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19502 PR tree-optimization/23109
19503 PR tree-optimization/23948
19504 PR tree-optimization/24123
19506 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19507 * tree-cfg.c (single_noncomplex_succ): New.
19508 * tree-flow.h (single_noncomplex_succ): Declare it.
19509 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19510 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19511 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19512 insert_bb, register_division_in, insert_reciprocals,
19513 replace_reciprocal, free_bb): New.
19514 (execute_cse_reciprocals_1): Rewritten.
19515 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19516 Do not commit any edge insertion. Always compute dominators and
19517 create the allocation pool.
19518 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19519 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19520 * targhooks.c (default_min_divistions_for_recip_mul): New.
19521 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19522 * passes.c (init_optimization_passes): Run recip after tree loop
19524 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19526 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19527 Kenneth Zadeck <zadeck@naturalbridge.com>
19529 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19530 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19531 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19532 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19533 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19534 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19535 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19536 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19537 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19538 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19539 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19540 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19541 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19542 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19543 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19544 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19545 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19546 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19547 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19548 DF_SCAN_POST_ALLOC): New macros.
19549 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19550 df_free_bb_function, df_local_compute_function, df_init_function,
19551 df_dataflow_function, df_confluence_function_0,
19552 df_confluence_function_n, df_transfer_function,
19553 df_finalizer_function, df_free_function, df_dump_problem_function,
19554 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19555 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19556 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19557 df_urec_bb_info, ) New types.
19558 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19560 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19561 df_analyze_simple_change_some_blocks,
19562 df_analyze_simple_change_one_block, df_compact_blocks,
19563 df_bb_replace, df_bb_regno_last_use_find,
19564 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19565 df_insn_regno_def_p, df_find_def, df_find_use,
19566 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19567 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19568 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19569 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19570 debug_df_chain, df_get_dependent_problem, df_chain_create,
19571 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19572 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19573 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19574 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19575 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19576 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19577 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19578 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19579 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19580 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19581 df_reorganize_refs, df_set_state, df_hard_reg_init,
19582 df_read_modify_subreg_p) New public functions.
19583 * df-core.c: The core dataflow solver and glue routines for rtl
19585 (df_init, df_add_problem, df_set_blocks, df_finish,
19586 df_hybrid_search_forward, df_hybrid_search_backward,
19587 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19588 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19589 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19590 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19591 df_reg_defined, df_find_use, df_reg_used, df_dump,
19592 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19593 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19594 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19595 debug_df_useno, reset_df_after_reload): New functions.
19596 * df-scan.c: The scanning fuctions, once in df.c, completely
19597 rewritten so that they now fully model the functionality of
19598 register usage at the backend.
19599 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19600 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19601 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19602 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19603 df_get_artificial_defs, df_get_artificial_uses,
19604 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19605 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19606 df_refs_delete, df_reorganize_refs, df_set_state,
19607 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19608 df_def_record_1, df_defs_record, df_uses_record,
19609 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19610 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19611 df_record_exit_block_uses, df_hard_reg_init): New functions.
19613 * df-problems.c: Seven concrete dataflow problems that use the
19614 scanning in df-scan.c and are solved by the engine in df-core.c.
19615 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19616 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19617 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19618 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19619 df_ru_free_bb_info, df_ru_alloc,
19620 df_ru_bb_local_compute_process_def,
19621 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19622 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19623 df_ru_transfer_function, df_ru_free, df_ru_dump,
19624 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19625 df_rd_free_bb_info, df_rd_alloc,
19626 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19627 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19628 df_rd_transfer_function, df_rd_free, df_rd_dump,
19629 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19630 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19631 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19632 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19633 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19634 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19635 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19636 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19637 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19638 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19639 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19640 df_urec_mark_reg_use_for_earlyclobber,
19641 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19642 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19643 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19644 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19645 df_chain_create_bb_process_use, df_chain_create_bb,
19646 df_chain_finalize, df_chain_free, df_chains_dump,
19647 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19648 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19649 df_reg_lifetime): New functions.
19650 * df.c: Deleted file.
19651 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19652 consistent with new df api.
19653 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19654 rest_of_handle_sms): Ditto.
19655 * web.c (unionfind_union, union_defs, entry_register, web_main):
19657 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19658 invariant_expr_equal_p, find_defs, check_dependencies,
19659 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19660 free_inv_motion_data, move_loop_invariants): Ditto.
19661 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19662 Update dependencies.
19663 (odf.c): Added defective entry that was deleted later in day.
19664 * sched-deps.c (sched_analyze_1): Ditto.
19666 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19668 * tree-ssa-operands.c (get_expr_operands): Record addressable
19669 variables directly. Do not call add_stmt_operands for CONST_DECLs
19671 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19672 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19674 2006-01-11 Ben Elliston <bje@au.ibm.com>
19676 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19677 function returns true in the positive case.
19679 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19682 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19683 for SI, DI, SF and DF modes. Add alternatives to copy between
19684 general and floating point registers to the 32-bit patterns.
19685 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19686 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19687 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19688 generating 64-bit code.
19689 * config/pa/pa.c (output_move_double): Handle copies between general
19690 and floating registers.
19692 2006-01-10 Stuart Hastings <stuart@apple.com>
19694 * config/i386/i386.md (set_got): Update.
19695 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19696 (builtin_setjmp_receiver): Mach-O support.
19697 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19698 (GOT_SYMBOL_NAME): Define.
19699 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19700 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19701 * config/i386/i386.c (override_options): Revise for Darwin.
19702 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19703 support. (darwin_x86_file_end): New. (output_set_got): Add label
19704 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19705 * config/i386/i386-protos.h (output_set_got): Likewise.
19706 * config/darwin.c (machopic_legitimize_pic_address): Update
19709 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19711 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19712 when MODE isn't BLKmode.
19714 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19716 PR rtl-optimization/25367
19717 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19719 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19722 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19723 for a negative bound.
19725 2006-01-10 Richard Guenther <rguenther@suse.de>
19727 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19728 Never override with anything constraint.
19730 2006-01-10 Jan Beulich <jbeulich@novell.com>
19732 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19733 256 bits when optimize_size.
19735 2006-01-10 Jan Beulich <jbeulich@novell.com>
19737 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19739 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19740 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19743 2006-01-10 Ben Elliston <bje@au.ibm.com>
19745 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19747 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19748 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19749 (USE_FP_FOR_ARG): Reject decimal float modes.
19750 (function_arg_advance): Likewise.
19751 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19752 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19753 point types in AltiVec vectors.
19754 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19755 (rs6000_libcall_value): Likewise.
19757 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19759 * config/xtensa/ieee754-df.S: New file.
19760 * config/xtensa/ieee754-sf.S: New file.
19761 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19762 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19763 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19765 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19767 * config/sh/predicates.md (binary_float_operator,
19768 binary_logical_operator, commutative_float_operator,
19769 equality_comparison_operator, greater_comparison_operator,
19770 less_comparison_operator, logical_operator,
19771 noncommutative_float_operator, shift_operator,
19772 symbol_ref_operand, unary_float_operator): Remove redundant
19775 2006-01-09 Jeff Law <law@redhat.com>
19777 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19778 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19779 now unused arguments. Callers updated.
19780 (eliminate_redundant_computations): Remove now unused arguments,
19782 (local_fold): Remove, no longer used.
19783 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19785 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19786 (simplify_cond): New function.
19787 (forward_propagate_into_cond): Call simplify_cond.
19789 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19791 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19792 (*vec_extractv2di_1_sse): New.
19794 2006-01-09 Ben Elliston <bje@au.ibm.com>
19796 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19798 2006-01-08 Richard Guenther <rguenther@suse.de>
19800 * tree-ssa-structalias.c (get_constraint_for): Remove
19801 anyoffset argument.
19802 (get_constraint_for_component_ref): Likewise.
19803 (do_deref): Likewise.
19804 (get_constraint_for): Likewise.
19805 (do_structure_copy): Likewise.
19806 (handle_ptr_arith): Likewise.
19807 (find_func_aliases): Likewise. Remove unused need_anyoffset
19810 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19811 Kaz Kojima <kkojima@gcc.gnu.org>
19813 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19814 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19815 (EXTRA_CONSTRAINT_C16): Remove.
19816 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19817 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19818 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19819 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19820 constants of SHmedia. Handle nested constant expressions of
19822 (andcosts): Fix the costs for SHmedia constants.
19823 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19824 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19825 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19826 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19827 (movv4hi_i, movv2si_i): Likewise.
19828 (movsi_const): Adjust the second operand of ior so to match with
19829 the Csu constraint.
19830 (movdi_const, movdi_const_32bit): Likewise.
19831 (movdi_const_16bit+1): Don't sign-extend LOW.
19832 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19834 (*double_shori): Fix the split condition. Use GEN_INT instead
19835 of get_int_mode calls. Mask lower 16-bit of the argument of
19837 (sym2GOTPLT): Remove.
19838 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19840 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19841 instead of EXTRA_CONSTRAINT_C16.
19843 2006-01-07 Ian Lance Taylor <ian@airs.com>
19844 David Edelsohn <edelsohn@gnu.org>
19846 PR rtl-optimization/25662
19847 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19848 for constant operands instead of simplify_gen_binary.
19849 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19850 after trying simplify_binary_operation
19852 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19854 * tree.c (iterative_hash_expr): Hash decls based on UID.
19856 2006-01-06 Eric Christopher <echristo@apple.com>
19858 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19859 (TARGET_UNWIND_EMIT): Fix spelling.
19860 * target.h (gcc_target): Add except_table_label.
19861 * except.c (output_function_exception_table): Use.
19862 * varasm.c (default_emit_except_table_label): New.
19863 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19865 (asm_out): Add here.
19866 * output.h (default_emit_except_table_label): Prototype.
19867 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19868 * config/darwin.c (darwin_emit_except_table_label): Define.
19869 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19871 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19873 PR tree-optimization/18527
19874 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19875 number_of_iterations_special, number_of_iterations_exit):
19876 Move base and step of an iv to a single structure. Add
19877 no_overflow flag, and use it in # of iterations analysis.
19878 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19879 folded_casts argument.
19880 (simple_iv): Pass base and step in a structure. Set no_overflow
19882 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19883 Evaluate expensiveness of computing # of iterations instead of
19884 the final expression.
19885 * tree-scalar-evolution.h (affine_iv): New structure.
19886 (simple_iv): Declaration changed.
19887 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19888 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19889 find_givs_in_stmt): Changed due to simple_iv change.
19891 2006-01-06 Jeff Law <law@redhat.com>
19894 * tree-cfg.c (bsi_replace): Rename final argument from
19895 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19896 change (stmt -> orig_stmt).
19897 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19898 (bsi_remove): Add new argument. Remove EH information
19900 (verify_eh_throw_table_statements): New function.
19901 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19903 * tree-optimize.c (execute_free_cfg_annotations): Verify
19904 the EH throw statement table after removing annotations.
19905 * except.h (verify_eh_throw_table_statements): Prototype.
19906 * tree-flow.h (bsi_remove): Update prototype.
19907 * tree-vrp.c (remove_range_assertions): Add new argument to
19909 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19910 * tree-complex.c (expand_complex_div_wide): Likewise.
19911 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19912 * tree-tailcall.c (eliminate_tailcall): Likewise.
19913 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19914 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19915 * tree-nrv.c (tree_nrv): Likewise.
19916 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19917 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19918 (combine_blocks): Likewise.
19919 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19920 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19921 (cleanup_control_flow): Likewise.
19922 (remove_forwarder_block): Likewise.
19923 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19924 * tree-sra.c (sra_replace): Likewise.
19925 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19926 (forward_propagate_single_use_vars): Likewise.
19927 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19928 * tree-inline.c (expand_call_inline): Likewise.
19929 * tree-vect-transform.c (vect_transform_loop): Likewise.
19930 * tree-outof-ssa.c (rewrite_trees): Likewise.
19931 * tree-cfg.c (make_goto_expr_edges): Likewise.
19932 (cleanup_dead_labels): Likewise.
19933 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19934 (bsi_move_before, bsi_move_after): Likewise.
19935 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19936 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19938 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19941 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19943 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19944 on non gimple variables. Also add checks at the top for decls and
19946 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19948 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19949 and IMAGPART_EXPR for creating MUST_DEFs.
19950 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19951 and NAME_MEMORY_TAG separately from the DECLs.
19953 2006-01-06 Richard Guenther <rguenther@suse.de>
19955 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19956 annotation, if necessary.
19957 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19958 redundant calls to update_stmt.
19959 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19962 2006-01-05 Richard Henderson <rth@redhat.com>
19964 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19966 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19968 * c-typeck.c: Update copyright date.
19970 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19972 * c-typeck.c (build_c_cast): Always warn when casting
19973 from a pointer to an integer of different size, even if
19974 the node was constant.
19976 2006-01-05 Richard Guenther <rguenther@suse.de>
19978 PR tree-optimization/22555
19979 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19980 if one structure field is an array.
19981 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19982 operands even if we found a subvar, but ignore VOPs in this
19984 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19986 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19988 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19990 PR middle-end/24998
19991 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19993 2006-01-05 Richard Guenther <rguenther@suse.de>
19994 Diego Novillo <dnovillo@redhat.com>
19996 * tree-pass.h (TODO_remove_unused_locals): Define.
19997 * gimple-low.c (expand_var_p, remove_useless_vars,
19998 pass_remove_useless_vars): Remove. Update all users.
19999 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
20000 (remove_unused_locals): New function.
20001 * tree-flow.h (remove_unused_locals): Declare.
20002 * passes.c (execute_todo): Call remove_unused_locals if
20003 TODO_remove_unused_locals is set.
20004 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
20005 * tree-ssa-dce.c (pass_dce): Likewise.
20006 * tree-outof-ssa.c (pass_del_ssa): Likewise.
20008 2006-01-05 Richard Guenther <rguenther@suse.de>
20010 * tree-flow.h (struct fieldoff): Decompose field to
20011 type, size and decl.
20012 * tree-ssa-alias.c (create_sft): Take type as parameter.
20013 (create_overlap_variables_for): Store type, size and decl
20014 in the fieldoff structure.
20015 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
20016 of struct fieldoff.
20017 (push_fields_onto_fieldstack): Likewise.
20018 (create_variable_info_for): Likewise. Use offset for the
20019 SFT name if the decl is not available.
20021 2006-01-04 Paul Brook <paul@codesourcery.com>
20023 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
20025 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
20027 * lambda-code.c (can_put_in_inner_loop): Relax
20029 (can_put_after_inner_loop): New function.
20030 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
20031 (perfect_nestify): Change to make copies and modify uses.
20033 2006-01-04 Richard Henderson <rth@redhat.com>
20035 Merge from gomp branch:
20036 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
20037 via integer constant.
20038 (pragma_lex): Remove.
20039 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
20040 rather than parsing it.
20041 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
20042 handle_pragma_extern_prefix): Add %< %> quotes.
20043 (registered_pragmas): New.
20044 (c_register_pragma_1): New.
20045 (c_register_pragma): Use it.
20046 (c_register_pragma_with_expansion): Likewise.
20047 (c_invoke_pragma_handler): New.
20048 (init_pragma): Use cpp_register_deferred_pragma directly for
20050 * c-pragma.h (enum pragma_kind): New.
20051 (pragma_handler): New.
20052 (c_invoke_pragma_handler): Declare.
20053 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
20055 * c-common.h (c_common_pch_pragma): Update decl.
20056 * Makefile.in (c-parser.o): Update dependencies.
20057 (GTFILES): Add c-pragma.h.
20058 * c-parser.c (struct c_token): Add pragma_kind.
20059 (struct c_parser): Add in_pragma.
20060 (c_lex_one_token): Always initialize keyword and pragma_kind.
20061 Extract data for CPP_PRAGMA.
20062 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
20063 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
20064 Don't allow CPP_PRAGMA_EOL if in_pragma.
20065 (c_parser_consume_pragma): New.
20066 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
20067 (c_parser_skip_to_end_of_parameter): Likewise.
20068 (c_parser_skip_to_end_of_block_or_statement): Likewise.
20069 (c_parser_skip_to_pragma_eol): New.
20070 (c_parser_external_declaration): Handle CPP_PRAGMA.
20071 (c_parser_compound_statement_nostart): Likewise.
20072 (c_parser_statement_after_labels): Likewise.
20073 (c_parser_pragma): New.
20074 (pragma_lex): Likewise.
20075 (c_parser_pragma_pch_preprocess): New.
20076 (c_parser_new): Merge into ...
20077 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
20079 2006-01-04 Jeff Law <law@redhat.com>
20082 * tree-cfg.c (bsi_replace): Remove the original statement
20083 from the EH throw statement table.
20085 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20087 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20088 make the prototype extern "C" and add throw ().
20091 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20092 and pos non-negative and pos + len <= 32.
20093 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20094 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20095 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20098 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20099 as well as sizes not multiple of component size.
20102 * function.c (instantiate_expr): New function.
20103 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20104 walk its DECL_VALUE_EXPR with instantiate_expr.
20106 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20107 DW_OP_deref{,_size} if address isn't going to be added.
20109 2006-01-04 Ben Elliston <bje@au.ibm.com>
20111 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20112 * config/fp-bit.c: Likewise.
20114 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20116 * dominance.c: Add comment about why we use DFS numbering
20119 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20120 Richard Henderson <rth@redhat.com>
20122 Merge from gomp-branch:
20123 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20124 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20126 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20128 PR rtl-optimization/25578
20129 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20130 pass a parameter to simplify_shift_const if changing ASHIFTRT
20133 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20135 * builtins.c (get_builtin_sync_mem): New function.
20136 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20137 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20138 Call get_builtin_sync_mem to generate mem rtx.
20140 2006-01-03 Richard Guenther <rguenther@suse.de>
20143 * stmt.c (add_case_node): Make sure to clear overflow flags
20146 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20148 Merge from gomp-branch.
20149 * config/sparc/sync.md: New file.
20150 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20151 UNSPECV_LDSTUB): New constants.
20152 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20153 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20154 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20157 2006-01-03 Roger Sayle <roger@eyesopen.com>
20159 * combine.c (reg_subword_p): New predicate to test whether the
20160 destination of a set refers to a subword/piece of a register.
20161 (try_combine): Generalize the code to merge the setting of a
20162 pseudo to a constant followed by a set of a subword of that
20163 register to a constant.
20165 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20167 * basic-block.h (control_flow_graph): Change the type of
20168 x_label_to_block_map to VEC(basic_block,gc) *.
20169 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20170 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20172 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20173 VEC(basic_block,heap) *.
20174 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20175 ssa_prop_fini): Adjust the uses of cfg_blocks.
20177 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20179 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20181 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20182 hashing trees instead of a pointer hash.
20183 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20184 compare for MEM_EXPR.
20186 PR rtl-optimization/25130
20187 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20188 when comparing MEMs for GCSE
20190 2006-01-03 Ben Elliston <bje@au.ibm.com>
20192 * targhooks.h (default_decimal_float_supported_p): Declare.
20193 * targhooks.c (default_decimal_float_supported_p): Define.
20194 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20195 `default_decimal_float_supported_p'.
20196 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20198 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20200 * combine.c (apply_distributive_law <SUBREG>): Check
20201 TRULY_NOOP_TRUNCATION.
20203 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20205 * dwarf2out.c (have_switched_text_section): Delete.
20206 (have_multiple_function_sections): New.
20207 (have_location_lists): Make 'bool'.
20208 (add_AT_loc_list): Use 'true' not '1'.
20209 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20210 (output_loc_list): Use have_multiple_function_sections.
20211 (output_ranges): Likewise.
20212 (dwarf2out_begin_function): Set have_multiple_function_sections if
20214 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20215 Check function_section rather than DECL_SECTION_NAME.
20216 (dwarf2out_finish): Use have_multiple_function_sections.
20217 Don't clear have_location_lists.
20219 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20220 Jan Hubicka <jh@suse.cz>
20222 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20223 case of conditional jump jumping to the next instruction.
20224 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20225 cases of conditional jump jumping to the next instruction.
20227 2006-01-02 Jan Hubicka <jh@suse.cz>
20229 * i386.c (*_cost): Add COSTS_N_INSNS.
20230 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20232 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20235 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20237 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20239 * config/arm/arm.c (all_fpus): Fix comment typo.
20240 * config/darwin.c: Likewise.
20241 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20242 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20243 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20245 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20247 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20248 (rs6000_split_compare_and_swapqhi): New.
20249 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20250 (sync_compare_and_swapqhi_internal): New.
20251 * config/rs6000/rs6000-protos.h: Declare.