1 2006-04-18 Nick Clifton <nickc@redhat.com>
3 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12 Partial revert of revision 112637
13 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14 Dale Johannesen <dalej@apple.com>
17 * regclass.c (struct reg_pref): Update documentation.
18 (regclass): Set prefclass to NO_REGS if memory is the best option.
19 (record_reg_classes): Cope with a prefclass set to NO_REGS.
21 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
23 PR tree-optimization/26821
24 * tree-ssa-math-opts.c (get_constant_one): New.
25 (insert_reciprocals): Use it.
27 2006-04-17 Geoffrey Keating <geoffk@apple.com>
29 * dwarf2out.c (free_AT): Delete.
30 (remove_AT): Update string ref counts.
31 (remove_child_TAG): Don't call free_die.
33 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
35 (prune_unused_types_walk_attribs): Reset string refcounts.
36 (prune_unused_types_update_strings): New.
37 (prune_unused_types_prune): Don't make unnecessary stores. Don't
38 call free_die. Do call prune_unused_types_update_strings.
39 (prune_unused_types): Empty debug_str_hash.
41 2006-04-17 Roger Sayle <roger@eyesopen.com>
43 * expr.c (expand_assignment): Optimize away no-op moves where the
44 source and destination are equal and have no side-effects.
46 2006-04-17 Richard Guenther <rguenther@suse.de>
49 * reload.c (push_reload): Guard calls to get_secondary_mem
52 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
54 * alias.c (reg_base_value, old_reg_base_value): Change the
55 type to VEC(rtx,gc) *.
56 (REG_BASE_VALUE, find_base_value, record_set,
57 init_alias_analysis): Use VEC instead of VARRAY.
59 * alias.c (alias_sets): Change the type to
60 VEC(alias_set_entry,gc) *.
61 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
62 VEC instead of VARRAY.
63 (last_alias_set): Remove.
65 * cgraph.h (cgraph_edge_p): New.
66 Update the prototype of cgraph_function_versioning.
67 * cgraphunit.c (cgraph_copy_node_for_versioning,
68 cgraph_function_versioning): Use VEC instead of VARRAY.
69 * ipa-cp.c (ipcp_insert_stage): Likewise.
71 2006-04-16 Roger Sayle <roger@eyesopen.com>
74 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
75 "A op B" or "A op C", we may need to convert A to the type of B and C.
77 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
79 * target.h (struct gcc_target): Add mode_rep_extended.
80 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
81 (init_num_sign_bit_copies_in_rep): Initialize it using
83 (truncate_to_mode): Use it.
84 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
85 * targhooks.h (default_mode_rep_extended): Declare it.
86 * targhooks.c (default_mode_rep_extended): Define it.
87 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
88 default_mode_rep_extended.
89 (TARGET_INITIALIZER): Include it.
90 * doc/tm.texi (Misc): Document it.
91 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
92 (mips_truncated_to_mode): New function.
94 2006-04-16 Roger Sayle <roger@eyesopen.com>
97 * expr.c (compress_float_constant): Copy the narrow constant into
98 a new pseudo before extending it to its final width.
100 2006-04-16 Roger Sayle <roger@eyesopen.com>
101 Andrew Pinski <pinskia@gcc.gnu.org>
102 Dale Johannesen <dalej@apple.com>
105 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
106 special case code to implement V8HImode and V16QImode with SSE2.
108 2006-04-15 Roger Sayle <roger@eyesopen.com>
110 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
111 trees are constructed with a suitable tree type.
113 2006-04-15 Roger Sayle <roger@eyesopen.com>
115 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
116 (integer_onep): Likewise.
117 (integer_all_onesp): Likewise.
118 (integer_pow2p): Likewise.
119 (integer_nonzerop): Likewise.
120 (real_zerop): Likewise.
121 (real_onep): Likewise.
122 (real_twop): Likewise.
123 (real_minus_onep): Likewise.
124 (int_size_in_bytes): Likewise.
125 (host_integerp): Likewise.
127 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
129 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
130 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
131 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
133 * tree-ssa-structalias.h (alias_info): Remove num_references.
135 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
137 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
138 (output_bvb patterns): Likewise.
139 * pa.c (output_bb): Use 'bb' insn for long branch case.
140 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
141 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
142 1. Correct length operand for alternatives 1 and 2.
143 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
144 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
146 2006-04-14 Roger Sayle <roger@eyesopen.com>
148 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
149 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
150 were accidentally reverted by r112959.
152 2006-04-15 Jakub Jelinek <jakub@redhat.com>
155 * except.h (eh_region_outermost): New prototype.
156 * except.c (eh_region_outermost): New function.
157 * tree-cfg.c (find_outermost_region_in_block): Use it.
159 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
161 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
163 * reload1.c (reg_equiv_memory_loc_varray): Rename to
164 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
165 (init_reload, reload): Use VEC instead of VARRAY.
166 * reload.h: Update the prototype for
167 reg_equiv_memory_loc_varray.
169 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
170 Eric Botcazou <ebotcazou@libertysurf.fr>
172 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
175 2005-04-13 Uros Bizjak <uros@kss-loka.si>
178 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
179 to expand fallback builtin function call.
181 2006-04-14 Alan Modra <amodra@bigpond.net.au>
184 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
185 and emit libcall here in case the builtin fails.
186 (expand_builtin_strcmp): Always emit the libcall here on failure.
188 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
190 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
191 * flow.c (reg_n_info): Change the type to
192 VEC(reg_info_p,heap) *.
193 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
195 * regs.h (reg_info_p): New.
196 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
197 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
198 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
201 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
203 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
205 * params.h (MAX_SCHED_READY_INSNS): New macro.
206 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
207 past MAX_SCHED_READY_INSNS during the first scheduling pass.
208 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
209 the ready list for 1 cycle during the first scheduling pass.
210 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
212 2006-04-13 Richard Henderson <rth@redhat.com>
215 * gimple-low.c (lower_omp_directive): Remove dead code.
216 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
217 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
218 * omp-low.c (struct omp_region): Move to tree-flow.h.
219 (root_omp_region): Export.
220 (omp_regions, lookup_omp_region): Remove.
221 (determine_parallel_type): Update for struct omp_region changes.
222 (dump_omp_region): Dump regions with block numbers.
223 (new_omp_region): Take type and block instead of stmt; malloc
225 (free_omp_region_1, free_omp_regions): New.
226 (expand_parallel_call): Take entry_stmt as argument; update for
227 changes to omp_region.
228 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
229 (remove_exit_barriers): New.
230 (expand_omp_parallel): Update for struct omp_region changes.
231 (expand_omp_synch): Likewise.
232 (expand_omp): Likewise.
233 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
234 (expand_omp_for_static_chunk): Likewise.
235 (expand_omp_for): Likewise.
236 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
237 (expand_omp_sections): Similarly, with GOMP_sections_end.
238 (expand_omp_single): New.
239 (build_omp_regions_1): Update for OMP_CONTINUE.
240 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
241 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
242 OMP_SECTIONS_SECTIONS.
243 (lower_omp_single_simple): Don't emit barrier here.
244 (lower_omp_single_copy): Likewise.
245 (lower_omp_single): Fix bindings, and lower to straightline now.
246 (lower_omp_master, lower_omp_ordered): Likewise.
247 (lower_omp_critical): Likewise.
248 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
249 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
250 omp edges, free it afterward.
251 (make_omp_sections_edges): Remove.
252 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
253 (move_stmt_r): Handle OMP_CONTINUE.
254 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
255 statement pointers to basic blocks. Add type member.
256 (root_omp_region, new_omp_region, free_omp_regions): Declare.
257 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
258 * tree-inline.c (estimate_num_insns_1): Likewise.
259 * tree-pretty-print.c (dump_generic_node): Likewise.
260 * tree-ssa-operands.c (get_expr_operands): Likewise.
261 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
262 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
264 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
265 (OMP_SECTIONS_SECTIONS): Remove.
266 (OMP_SECTION_LAST): New.
267 (OMP_RETURN_NOWAIT): New.
269 2006-04-13 Roger Sayle <roger@eyesopen.com>
271 * fold-const.c (native_encode_vector, native_interpret_real):
272 Correct obvious mistakes in the previous check-in.
274 2006-04-13 Roger Sayle <roger@eyesopen.com>
276 * fold-const.c (native_encode_expr): New function to encode
277 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
278 or VECTOR_CST into a specified buffer.
279 (native_encode_int): New function.
280 (native_encode_real): New function.
281 (native_encode_complex): New function.
282 (native_encode_vector): New function.
283 (native_interpret_expr): Inverse of native_encode_expr to convert
284 a target representation into an INTEGER_CST, REAL_CST etc...
285 (native_interpret_int): New function.
286 (native_interpret_real): New function.
287 (native_interpret_complex): New function.
288 (native_interpret_vector): New function.
289 (fold_view_convert_expr): New function to constant fold/evaluate
290 a VIEW_CONVERT_EXPR of a suitable constant expression.
291 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
292 Change call of build1 to fold_build1 when constructing a
295 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
296 Ulrich Weigand <uweigand@de.ibm.com>
299 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
302 2006-04-13 Alan Modra <amodra@bigpond.net.au>
305 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
306 optimize to lo_sum for DFmode if !TARGET_FPRS.
308 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
310 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
311 delete_alias_info, compute_flow_sensitive_aliasing,
312 group_aliases): Use VEC instead of VARRAY.
313 * tree-ssa-structalias.c (update_alias_info): Likewise.
314 * tree-ssa-structalias.h (alias_info): Change the type of
315 processed_ptrs to VEC(tree,heap) *.
317 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
320 * config/sh/lib1funcs.h: New file, broken out of:
321 * config/sh/lib1funcs.asm.
322 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
324 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
325 * config/sh/lib1funcs-Os-4-200.asm: New file.
326 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
327 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
328 (EXTRA_MULTILIB_PARTS): Include it.
329 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
330 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
331 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
332 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
335 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
337 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
338 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
339 tpa_compact, root_var_init, type_var_init): Use VEC instead of
341 * tree-ssa-live.h: Include vecprim.h.
342 (tree_partition_associator_d): Change the type of
343 first_partition to VEC(int,heap) *.
344 (tpa_first_partition): Use VEC instead of VARRAY.
346 * Makefile.in (GTFILES): Move functions.h after tree.h.
347 * function.c (reset_block_changes, record_block_change,
348 check_block_change, free_block_changes): Use VEC instead of
350 * function.h (function): Change the type of
351 ib_boundaries_block to VEC(tree,gc) *.
352 * tree-inline.c (copy_cfg_body): Initialize
353 ib_boundaries_block to NULL instead of (varray_type) 0.
355 2006-04-12 Roger Sayle <roger@eyesopen.com>
357 * expr.c (emit_group_store): Correct operand order in call to
358 subreg_lowpart_offset. Always create paradoxical SUBREGs with
359 a SUBREG_BYTE of zero.
361 2006-04-12 Richard Guenther <rguenther@suse.de>
363 * profile.c (compute_branch_probabilities): Remove code
364 encapsulated in !ir_type (), which are remanents of the
365 removed RTL profiling code.
366 * rtl-profile.c: Remove.
368 2006-04-12 Alan Modra <amodra@bigpond.net.au>
370 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
371 magic NULL_RTX comment.
372 (function_arg): Store entire fp arg to mem if any part should go
374 (rs6000_arg_partial_bytes): Adjust for above change.
376 2006-04-11 Roger Sayle <roger@eyesopen.com>
378 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
379 if it hasn't been initialized by dwarf2out_init.
381 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
383 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
384 symbolic constants in branch patterns.
386 2006-04-11 Roger Sayle <roger@eyesopen.com>
388 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
390 2006-04-11 Richard Sandiford <richard@codesourcery.com>
392 PR rtl-optimization/27073
393 * gcse.c (try_replace_reg): Revert last change. Continue to search
394 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
397 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
399 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
400 aggregate types other than record and union types.
401 (function_arg): Likewise.
402 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
404 (function_value): In 64-bit mode, return objects that require it
407 2006-04-11 Roger Sayle <roger@eyesopen.com>
409 * dwarf2out.c (premark_used_types): Remove problematic prototype.
411 2006-04-11 Jakub Jelinek <jakub@redhat.com>
413 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
415 2006-04-03 Jeff Law <law@redhat.com>
418 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
419 alias information too.
421 2006-04-10 Mike Frysinger <vapier@gentoo.org>
423 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
425 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
428 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
429 (premark_used_types_helper): New.
430 (premark_used_types): New.
431 (gen_subprogram_die): Call premark_used_types.
432 (prune_unused_types_walk): Do not prune perennial dies.
433 * function.c (used_types_insert): New.
434 * function.h (struct function): Add used_types_hash field.
435 (used_types_insert): Add prototype.
436 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
437 * c-parser.c (c_parser_cast_expression): Save casted types in used
440 2006-04-11 Mark Mitchell <mark@codesourcery.com>
443 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
444 rs6000_explicit_options.float_gprs.
446 2006-04-10 Roger Sayle <roger@eyesopen.com>
448 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
449 from ix86_expand_vector_init_low_nonzero. Take an additional
450 one_var argument indicating which element is non-zero. Support
451 one_var != 0 for V4SFmode and V4SImode by permuting the result.
452 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
453 with one_var instead of ix86_expand_vector_init_low_nonzero.
455 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
457 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
458 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
459 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
460 build/genextract.o): Depend on vecprim.h.
461 * cfglayout.c, df-problems.c, function.c, genextract.c,
462 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
463 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
467 2006-04-10 Geoffrey Keating <geoffk@apple.com>
469 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
470 Declare VECs of this type.
471 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
472 (remove_children): Delete.
473 (add_dwarf_attr): Use VEC routines.
474 (add_AT_flag): Update for changes to add_dwarf_attr.
475 (add_AT_int): Likewise.
476 (add_AT_unsigned): Likewise.
477 (add_AT_long_long): Likewise.
478 (add_AT_vec): Likewise.
479 (add_AT_string): Likewise.
480 (add_AT_die_ref): Likewise.
481 (add_AT_fde_ref): Likewise.
482 (add_AT_loc): Likewise.
483 (add_AT_loc_list): Likewise.
484 (add_AT_addr): Likewise.
485 (add_AT_lbl_id): Likewise.
486 (add_AT_lineptr): Likewise.
487 (add_AT_macptr): Likewise.
488 (add_AT_offset): Likewise.
489 (add_AT_range_list): Likewise.
490 (get_AT): Use VEC_iterate.
491 (remove_AT): Use VEC_ordered_remove.
492 (free_die): Fold remove_children into here; have it use VEC_iterate.
493 (print_die): Use VEC_iterate on attrs.
494 (reverse_die_lists): Don't reverse attr lists.
495 (die_checksum): Use VEC_iterate on attrs.
496 (same_die_p): Likewise.
497 (output_location_lists): Likewise.
498 (build_abbrev_table): Likewise.
499 (size_of_die): Likewise.
500 (unmark_all_dies): Likewise.
501 (output_abbrev_section): Likewise.
502 (output_die): Likewise.
503 (prune_unused_types_walk_attribs): Likewise.
505 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
507 * doc/install.texi (*-*-solaris2*): Point to the configure page.
509 2006-04-10 Jakub Jelinek <jakub@redhat.com>
512 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
514 2006-04-09 Roger Sayle <roger@eyesopen.com>
516 * expr.c (store_constructor): Don't bother clearing target if
517 we're about to assign a vector to it using vec_init_optab.
519 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
521 * tree-ssa-alias.c (lhs_may_store_to): New function.
522 (recalculate_used_alone): Handle LHS of calls.
524 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
528 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
529 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
530 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
531 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
532 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
533 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
534 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
535 stubs. Add ".align 8" directives before all ".dword" directives.
536 (GTHREAD_USE_WEAK): Revise comment.
537 (TARGET_ATTRIBUTE_WEAK): Define.
538 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
539 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
540 * stublib.c: New file.
545 * pa.md (cbranch patterns): Revise arguments used in calls to
546 output_cbranch, output_bb and output_bvd. Add long branch length
548 (fbranch patterns): Handle long branches.
549 (jump): Revise length check. Revise arguments for output_lbranch call.
550 Add long branch length attributes.
551 (decrement_and_branch_until_zero): Add long branch length attributes.
552 (output_movb, output_parallel_addb and output_parallel_movb patterns):
553 Likewise. Revise arguments for output_parallel_addb and
554 output_parallel_movb calls.
555 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
556 output_parallel_movb and output_parallel_addb): Update prototypes.
557 * pa.c (output_cbranch): Revise arguments. Correct handling of
558 nullification in long branches.
559 (output_lbranch): Add new argument to control extraction of delay
561 (output_bb): Handle long branches.
562 (output_bvb, output_dbra, output_movb, output_parallel_movb,
563 output_parallel_addb): Likewise.
565 2006-04-09 Richard Sandiford <richard@codesourcery.com>
567 PR rtl-optimization/27073
568 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
571 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
573 * tree.h (tree_memory_tag): Add old_used_alone.
574 (SMT_OLD_USED_ALONE): New macro.
575 * tree-ssa-alias.c (recalculate_used_alone): Stop
576 marking things for renaming unnecessarily.
578 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
580 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
581 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
582 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
583 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
584 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
585 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
586 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
587 spelling convensions.
588 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
589 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
590 typos. Follow spelling conventions.
592 2006-04-07 DJ Delorie <dj@redhat.com>
594 * config/m32c/m32c.c (m32c_function_arg): Structures are always
596 (m32c_init_cumulative_args): When a function returns a structure,
597 always pass the pointer to that return area on the stack.
598 (m32c_function_arg_advance): Don't increment the parameter number
599 if we're processing the returned structure pointer.
600 (pushm_info): Reverse order of registers.
602 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
604 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
605 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
606 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
607 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
609 * tree-chrec.c (chrec_fold_multiply_poly_poly,
610 chrec_fold_multiply): Same.
611 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
612 force_expr_to_var_cost): Same.
613 * tree-mudflap.c (mf_xform_derefs_1): Same.
614 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
616 2006-04-07 David Edelsohn <edelsohn@gnu.org>
618 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
619 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
622 2006-04-07 Jan Hubicka <jh@suse.cz>
624 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
626 2006-04-07 Richard Guenther <rguenther@suse.de>
628 PR tree-optimization/26135
629 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
630 loads for store copy-prop.
631 (copy_prop_visit_stmt): Likewise.
633 2006-04-05 Robert Millan <robertmh@gnu.org>
635 * gcc/config/i386/linux.h: Add a comment to mark macros that are
636 being overriden in config/k*bsd-gnu.h.
637 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
639 * gcc/config/knetbsd-gnu.h: Ditto.
641 2006-04-06 Jan Hubicka <jh@suse.cz>
645 * coverage.c (coverage_checksum_string): Reorganize loop to not read
648 2006-04-06 Mike Stump <mrs@apple.com>
650 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
651 for HAVE_nonlocal_goto to be consistent.
652 (expand_builtin_nonlocal_goto): Likewise.
653 (expand_builtin_strcmp): Use #ifdef instead of #if
654 for HAVE_cmpstrnsi to be consistent.
656 2006-04-05 DJ Delorie <dj@redhat.com>
658 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
661 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
663 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
664 got-relative addressing for anything but SImode.
666 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
667 even if the calling function doesn't modify them.
669 2006-04-05 Richard Guenther <rguenther@suse.de>
671 PR tree-optimization/26919
672 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
673 to cgraph_estimate_size_after_inlining.
675 2006-04-05 Alan Modra <amodra@bigpond.net.au>
677 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
679 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
681 PR tree-optimization/26996
682 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
683 VECTOR_TYPE variables.
685 2006-04-05 Richard Guenther <rguenther@suse.de>
687 PR tree-optimization/26763
688 * fold-const.c (fold_comparison): Move folding of
689 PTR + CST CMP PTR + CST ...
690 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
692 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
694 * doc/install.texi (Prerequisites): Refine some wording on
695 bootstrapping and ksh.
696 Move the version numbers of DejaGnu here from the testing section
697 and fix casing of names.
698 Fix markup and clarify wording for autogen requirements.
699 Refer to GCJ instead of just java.
700 Refer to SVN instead of CVS.
701 Describe diffutils as useful instead of necessary.
702 (Downloading the source): Refer to SVN instead of CVS.
703 Adjust a link to our web site accordingly.
704 (Configuration): Fix casing of Bison.
705 (Building): Refer to SVN instead of CVS.
706 Fix a sentence on the use of Bison and remove duplicate (and
707 incorrect) version number of Bison requirement.
708 Remove one redundant list of packages needed for building.
709 (Specific): Avoid reference to CVS.
711 2006-04-04 Eric Christopher <echristo@apple.com>
713 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
714 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
715 (rs6000_handle_struct_attribute): New.
716 (rs6000_ms_bitfield_layout_p): Ditto.
718 2006-04-04 Geoffrey Keating <geoffk@apple.com>
720 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
721 NULL for dso parameter to atexit_common.
723 2006-04-04 Eric Christopher <echristo@apple.com>
725 * config/i386/i386.c (machopic_output_stub): Output \t
726 between instructions and operands.
728 2006-04-04 David Edelsohn <edelsohn@gnu.org>
730 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
731 satisfies_constraint_[IL] to explicit tests on value.
733 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
735 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
736 set_nb_iterations_in_loop): Use build_int_cst instead of
738 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
739 build_int_cst instead of convert.
741 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
743 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
744 new value 2 for incoming.
745 * function.c (expand_function_start): Call struct_value_rtx
747 * config/sparc/sparc.md: Comment updated_return.
748 * config/sparc/sparc.opt: Add -mstd-struct-return option.
749 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
750 struct return if sparc_std_struct_return and incoming is 2.
751 (print_operand): Do not adjust return if
752 sparc_std_struct_return.
754 2006-04-04 Roger Sayle <roger@eyesopen.com>
756 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
757 convert in the middle-end.
758 * expr.c (store_expr, store_constructor, get_inner_reference,
759 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
761 * tree.c (build_range_type): Likewise.
763 2006-04-04 Tom Tromey <tromey@redhat.com>
765 * doc/install.texi (Prerequisites): Mention jar.
767 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
769 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
772 2006-04-04 Matthias Klose <doko@debian.org>
774 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
776 2006-04-03 Geoffrey Keating <geoffk@apple.com>
778 * doc/extend.texi (Function Attributes): Rewrite visibility
779 attribute documentation.
780 * doc/invoke.texi (C++ Dialect Options): Rewrite
781 -fvisibility-inlines-hidden documentation to describe something
782 entirely different, although in practise compatible.
783 (Code Gen Options): Warn about system headers in -fvisibiltity=
786 * doc/extend.texi (Other Builtins): Document that
787 __builtin_nan is a compile-time constant only when its argument
790 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
792 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
793 trying to remove TRUNCATE check if all bits outside the new mode
794 are identical to the sign bit.
796 2006-04-03 Jeff Law <law@redhat.com>
798 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
799 and operand scanning in some common cases.
801 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
802 Dale Johannesen <dalej@apple.com>
805 * regclass.c (struct reg_pref): Update documentation.
806 (regclass): Set prefclass to NO_REGS if memory is the best option.
807 (record_reg_classes): Cope with a prefclass set to NO_REGS.
808 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
809 into account. For non-registers, equate an empty preferred
810 reload class to a `!' in the constraint; move the if clause to
811 do so after those that reject the insn.
812 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
814 (find_dummy_reload): Likewise.
815 * doc/tm.texi (Register Classes): Document what it means
816 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
817 * config/i386/i386.c (ix86_preferred_reload_class): Force
818 using SSE registers (and return NO_REGS for floating-point
819 constants) if math is done with SSE.
820 (ix86_preferred_output_reload_class): New.
821 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
822 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
823 * config/i386/i386.md: Remove # register preferences.
825 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
828 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
829 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
831 (instantiate_parameters_1): Convert the operands before calling
832 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
833 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
835 2006-04-02 Roger Sayle <roger@eyesopen.com>
837 * builtins.c (dummy_object): Use build_int_cst instead of convert.
838 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
840 * dojump.c (do_jump): Likewise.
841 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
842 * gimplify.c (gimple_boolify, gimplify_init_constructor,
843 gimplify_boolean_expr): Likewise.
844 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
845 * varasm.c (array_size_for_constructor): Likewise.
846 * tree-object-size.c (compute_object_offset): Likewise.
848 2006-04-02 Roger Sayle <roger@eyesopen.com>
851 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
852 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
854 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
856 PR tree-optimization/26939
857 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
859 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
861 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
862 at_stmt. Convert the type of operands before calling
863 build_polynomial_chrec.
864 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
866 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
867 (instantiate_parameters_1): Convert the type of operands before calling
868 build_polynomial_chrec.
869 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
870 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
871 reset_evolution_in_loop): Insert asserts to check the types of the
873 (chrec_type): Moved...
874 (eq_evolutions_p): Use operand_equal_p.
875 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
876 the types of the operands.
877 (chrec_type): ...here.
878 * tree-data-ref.c (create_data_ref): Convert the operands before
879 calling chrec_replace_initial_condition.
880 (same_access_functions, analyze_subscript_affine_affine,
881 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
882 (compute_subscript_distance, analyze_ziv_subscript,
883 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
884 analyze_miv_subscript): Convert the operands before calling
885 chrec_fold_minus or chrec_fold_plus.
887 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
889 * tree-data-ref.c (compute_all_dependences): Use a pointer to
890 the dependence_relations vector.
891 (compute_data_dependences_for_loop): Adjust call to
892 compute_all_dependences.
894 2006-04-01 Roger Sayle <roger@eyesopen.com>
895 Richard Henderson <rth@redhat.com>
897 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
898 gimple_boolify on the condition before calling gimplify_expr.
900 2006-03-31 Bob Wilson <bob.wilson@acm.org>
902 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
903 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
904 the frame size. Update to use the new macros.
905 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
906 * config/xtensa/ieee754-df.S: Likewise.
908 2006-03-31 Richard Henderson <rth@redhat.com>
910 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
911 (make_edges): ... here. Control fallthru creation with a local
912 variable. Do not play with fake edges.
913 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
914 (make_goto_expr_edges): Don't play with fake edges. Make for_call
917 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
919 * dwarf2.h (DW64_CIE_ID): Define.
920 * dwarf2out.c (DWARF_CIE_ID): Define.
921 (output_call_frame_info): Output 0xffffffff before standard 8-byte
922 length header. Use DWARF_CIE_ID.
923 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
924 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
926 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
928 * config/sh/linux-atomic.asm: New file.
929 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
931 2006-03-31 DJ Delorie <dj@redhat.com>
933 * config/m32c/cond.md: Set condition flags properly throughout.
934 * config/m32c/minmax.md: Likewise.
935 * config/m32c/prologue.md: Likewise.
936 * config/m32c/bitops.md: Likewise.
937 * config/m32c/muldiv.md: Likewise.
938 * config/m32c/mov.md: Likewise.
939 * config/m32c/addsub.md: Likewise.
940 * config/m32c/m32c.md: Likewise.
941 * config/m32c/jump.md: Likewise.
942 * config/m32c/shift.md: Likewise.
944 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
945 conditionally output the pattern for this.
946 * config/m32c/m32c.c (flags_needed_for_conditional): New.
947 (m32c_compare_redundant): New.
948 (m32c_output_compare): New.
949 * config/m32c/m32c-protos.h (m32c_output_compare): New.
951 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
952 dest, not src. Allow other 4-byte modes.
954 2006-03-30 Denis Chertykov <denisc@overta.ru>
956 * doc/md.texi: Refer to avr/constraints.md instead of
959 2006-03-30 Roger Sayle <roger@eyesopen.com>
961 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
962 signed vs. unsigned comparison failures on some hosts.
964 2006-03-31 Alan Modra <amodra@bigpond.net.au>
967 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
968 change to FLOAT_REGS.
970 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
971 (rs6000_override_options): Use it.
972 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
973 only for -mabi=spe/no-spe and -mabi=altivec.
975 2006-03-30 Geoffrey Keating <geoffk@apple.com>
977 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
980 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
982 * Makefile.in: Rename docdir to gcc_docdir.
984 2006-03-30 Roger Sayle <roger@eyesopen.com>
987 * expr.c (emit_group_store): Optimize group stores into a pseudo
988 register by using a paradoxical subreg to initialize the destination
989 if the first or last member of the group specifies a "low part".
991 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
994 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
995 * target.h (struct gcc_target.speculate_insn): Change type of the
996 second parameter to 'int'.
997 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
998 the second operand of the DEPS_LIST.
999 (copy_DEPS_LIST_list): Update reference to the second operand of the
1001 * rtl.h (alloc_DEPS_LIST): Update signature.
1002 * sched-int.h (ds_t): Change typedef to 'int'.
1003 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1005 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1007 * haifa-sched.c (try_ready): Change condition to restore
1008 non-speculative pattern of the instruction.
1009 (process_insn_depend_be_in_spec): Code to keep probability of the
1010 speculative dependence non-decreasing.
1012 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1014 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1015 (single_move_for_movmem): ... this. Also change all uses.
1016 (bfin_expand_strmov): Renamed to...
1017 (bfin_expand_movmem): ... this. Also change all uses.
1018 * config/bfin/bfin.md (movstrsi): Renamed to...
1019 (movstrsi): ...this.
1021 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1023 PR tree-optimization/26830
1025 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1026 (copy_prop_visit_stmt): Remove write-only variable ann.
1027 (init_copy_prop): Check variable loop depth here. Do not simulate
1028 memory-tag and virtual operand PHIs except for store copy prop.
1030 2006-03-30 Richard Guenther <rguenther@suse.de>
1032 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1033 variants with double arguments.
1035 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1037 * genpreds.c (write_tm_constrs_h): Delete variable p.
1038 * genconditions.c (write_header): Add tm-constrs.h to included
1040 * genpeep.c (main): Add toplev.h to included headers.
1041 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1042 (build/genpeep.o): Add toplev.h dependency.
1043 * config/rs6000/constraints.md: Add "W" constraint.
1045 2006-03-29 Roger Sayle <roger@eyesopen.com>
1047 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1048 sizes by correctly testing whether the size fits a host integer.
1049 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1050 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1051 SImode range for the default sizetype and bitsizetype.
1053 2006-03-29 Roger Sayle <roger@eyesopen.com>
1055 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1056 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1057 quickly if the argument is already of the correct type.
1058 Call fold_build1 instead of build1. Tidy up blank lines.
1060 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1062 * genemit.c (main): Add tm-constrs.h to included headers.
1063 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1064 * genpeep.c (main): Add tm-constrs.h to included headers.
1065 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1066 (write_tm_constrs_h): this and write complete file.
1067 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1068 (write_insn_preds_c): Add tm-constrs.h to included headers.
1069 (gen_constrs): New variable.
1070 (parse_option): Parse "-c".
1071 (main): Invoke write_tm_constrs_h.
1072 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1073 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1074 (object_out_file): Add tm-constrs.h dependency.
1075 (insn-emit.o): Same.
1076 (insn-output.o): Same.
1077 (insn-peep.o): Same.
1078 (insn-preds.o): Same.
1079 (insn-recog.o): Same.
1080 (tm-constsr.h): New target.
1081 (s-constrs-h): New target.
1083 * config/rs6000/constraints.md: New file.
1084 * config/rs6000/rs6000.c: Include tm-constrs.h.
1085 (num_insn_constant_wide): Convert to satisfies_constraint.
1086 (rs6000_rtx_costs): Convert to satisfies_constraint.
1087 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1088 (CONST_OK_FOR_LETTER_P): Delete.
1089 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1090 (EXTRA_CONSTRAINT): Delete.
1091 (EXTRA_MEMORY_CONSTRAINT): Delete.
1092 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1093 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1094 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1095 satisfies_constraint.
1097 * config/i386/i386.c: Include tm-constrs.h.
1099 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1101 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1102 * tree-data-ref.c (find_data_references_in_loop,
1103 compute_data_dependences_for_loop): Use pointers to VEC.
1104 (analyze_all_data_dependences): Adjust calls.
1105 * tree-data-ref.h (find_data_references_in_loop,
1106 compute_data_dependences_for_loop): Adjust declarations.
1107 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1108 compute_data_dependences_for_loop.
1110 2006-03-29 Paul Brook <paul@codesourcery.com>
1112 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1115 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1117 PR tree-optimization/26859
1118 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1120 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1121 for the step after fold_convert.
1123 2006-03-29 Paul Brook <paul@codesourcery.com>
1125 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1126 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1128 2006-03-29 Paul Brook <paul@codesourcery.com>
1131 * targhooks.c (default_narrow_bitfield): New fuction.
1132 * targhooks.h (default_narrow_bitfield): add prototype.
1133 * target.h (gcc_target): Add narrow_volatile_bitfield.
1134 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1135 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1136 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1137 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1139 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1141 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1143 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1144 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1145 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1146 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1147 (s390_function_arg_float): Allow SDmode and DDmode values to be
1148 passed in floating point registers.
1149 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1150 check with SCALAR_FLOAT_MODE_P.
1151 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1153 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1155 PR tree-optimization/25985
1156 * tree-ssa-loop-niter.c (number_of_iterations_le,
1157 number_of_iterations_ne): Make comments more precise.
1158 (number_of_iterations_cond): Add only_exit argument. Use the
1159 fact that signed variables do not overflow only when only_exit
1161 (loop_only_exit_p): New.
1162 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1163 number_of_iterations_cond.
1165 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1167 PR tree-optimization/26643
1168 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1171 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1173 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1174 (divsi3_i4_int): Likewise.
1176 2006-03-28 Roger Sayle <roger@eyesopen.com>
1178 * expr.c (emit_group_store): Only create a new pseudo reg if the
1179 quantity it needs to hold isn't already a suitable pseudo.
1181 2006-03-28 Jeff Law <law@redhat.com>
1183 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1184 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1186 2006-03-28 Roger Sayle <roger@eyesopen.com>
1188 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1189 the equivalent ~X & Y, and the symmetry related transformations.
1190 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1191 ~X & Y, and symmetry related transforms.
1193 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1195 Revert my 2006-03-27 patches.
1197 2006-03-28 Roger Sayle <roger@eyesopen.com>
1199 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1200 ~(T1)X, when T1 and T2 are integer types of the same precision
1201 and (T2)X isn't an extension.
1203 2006-03-28 Jeff Law <law@redhat.com>
1205 PR tree-optimization/26796
1206 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1207 need EH edge cleanups rather than purging them immediately.
1208 (eliminate_degenerate_phis): Handle queued EH cleanups.
1210 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1212 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1215 2006-03-27 Roger Sayle <roger@eyesopen.com>
1218 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1219 cast BIT_NOT_EXPR operand to the correct type.
1221 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1223 * tree-loop-linear.c: Don't include varray.h.
1224 (gather_interchange_stats, try_interchange_loops,
1225 linear_transform_loops): Use VEC instead of VARRAY.
1226 * lambda-mat.c: Don't include varray.h.
1227 * tree-chrec.c: Same.
1228 * lambda-trans.c: Same.
1229 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1230 VEC instead of VARRAY.
1231 * tree-vectorizer.h: Idem.
1232 * tree-data-ref.c (dump_data_references,
1233 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1234 initialize_data_dependence_relation, finalize_ddr_dependent,
1235 compute_all_dependences, find_data_references_in_loop,
1236 compute_data_dependences_for_loop, analyze_all_data_dependences,
1237 free_dependence_relation, free_dependence_relations,
1238 free_data_refs): Idem.
1239 * tree-data-ref.h (data_reference_p, subscript_p): New.
1240 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1241 VEC instead of VARRAY.
1242 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1243 (find_data_references_in_loop, compute_data_dependences_for_loop,
1244 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1245 dump_data_dependence_relations, free_dependence_relations,
1246 free_data_refs): Adjust declaration.
1247 (lambda_transform_legal_p): Move declaration here...
1248 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1249 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1250 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1251 vect_analyze_data_refs): Use VEC instead of VARRAY.
1252 * lambda.h (lambda_transform_legal_p): ...from here.
1253 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1254 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1255 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1256 tree-chrec.o): Don't depend on VARRAY_H.
1258 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1260 * rtl.def (Copyright): Update date.
1261 (DEPS_LIST): Change type of the second operand to 'int'.
1262 * target.h (Copyright): Update date.
1263 (struct gcc_target.speculate_insn): Change type of the second parameter
1265 * lists.c (Copyright): Update date.
1266 (alloc_DEPS_LIST): Change signature. Update reference to the second
1267 operand of the DEPS_LIST.
1268 (copy_DEPS_LIST_list): Update reference to the second operand of the
1270 * rtl.h (Copyright): Update date.
1271 (alloc_DEPS_LIST): Update signature.
1272 * sched-int.h (Copyright): Update date.
1273 (ds_t): Change typedef to 'int'.
1274 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1276 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1278 * haifa-sched.c (Copyright): Update date.
1279 (try_ready): Change condition to restore non-speculative pattern
1281 (process_insn_depend_be_in_spec): Code to keep probability of the
1282 speculative dependence non-decreasing.
1284 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1286 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1287 shut up the compiler.
1289 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1291 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1292 to use lib prefix for target.
1293 ($(T)libic_invalidate_array_4-200.a): Likewise.
1294 ($(T)libic_invalidate_array_4a.a): Likewise.
1296 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1297 J"orn Rennecke <joern.rennecke@st.com>
1299 * superh.opt: New file.
1300 * sh.c (boardtype, osruntime): Remove.
1301 * superh.h (SUBTARGET_OPTIONS): Remove.
1302 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1304 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1305 arguments with ^ and/or [].
1307 * config.gcc (sh-*-*): Add quoting to account for quirk of
1309 Replace == with = in enable_incomplete_targets test.
1311 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1312 with MASK_LITTLE_ENDIAN.
1314 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1315 * config/sh/sh.opt: Added to some comments.
1316 * config/sh/superh.h: Removed some chaff.
1318 * config/sh/sh.opt: Add m4-[1234]00* options.
1319 * config/sh/sh.c (sh_handle_option): Likewise.
1320 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1321 (ic_invalidate_array_4-100.o): New rule.
1322 ($(T)libic_invalidate_array_4-100.a): Likewise.
1323 (ic_invalidate_array_4-200.o): Likewise.
1324 ($(T)libic_invalidate_array_4-200.a): Likewise.
1325 (ic_invalidate_array_4a.o): Likewise.
1326 ($(T)libic_invalidate_array_4a.a): Likewise.
1327 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1328 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1330 * config/sh/crt1.asm: Merged in profiling code.
1331 * config/sh/superh.h (STARTFILE_SPEC): Override.
1332 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1333 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1334 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1336 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1337 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1338 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1340 * sh.opt (mpretend-cmove): New option.
1341 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1342 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1343 (movsicc): Add TARGET_PRETEND_CMOVE code.
1345 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1347 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1348 s390_class_max_nregs): New function prototypes.
1349 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1350 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1351 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1352 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1354 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1356 * dwarf2out.c (add_location_or_const_value_attribute): Call
1357 tree_add_const_value_attribute if nothing else works.
1358 (reference_to_unused): New.
1359 (rtl_for_decl_init): Use reference_to_unused to decide whether
1360 to output an initializer.
1362 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1365 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1366 peephole removing spe frob_di_df_2.
1368 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1370 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1371 (subscript_dependence_tester_1): Declared.
1372 (print_dir_vectors, print_dist_vectors): New.
1373 (debug_data_dependence_relation): New.
1374 (dump_data_dependence_relation): Print more details.
1375 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1376 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1377 (save_dist_v, save_dir_v, add_outer_distances,
1378 build_classic_dist_vector_1): New.
1379 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1380 Don't test for lambda_vector_lexico_pos.
1381 (same_access_functions, add_multivariate_self_dist,
1382 add_other_self_distances, dir_from_dist): New.
1383 (build_classic_dir_vector): Replace implementation almost identical to
1384 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1386 (subscript_dependence_tester_1): New.
1387 (subscript_dependence_tester): Handle the lexicographically negative
1388 distance vectors by recomputing the dependence relation.
1389 (compute_affine_dependence): Remove parameter loop_nest_depth.
1390 (compute_self_dependence): Don't call compute_subscript_distance.
1391 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1392 Add a parameter for the loop_nest.
1393 (find_loop_nest_1, find_loop_nest): New.
1394 (compute_data_dependences_for_loop): Compute the loop nest, and give
1395 up if the nest is not well formed.
1396 * tree-data-ref.h (loop_p): New.
1397 (struct data_dependence_relation): Replace size_vect field with
1398 loop_nest, a vec of loops.
1399 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1400 (DDR_LOOP_NEST): New.
1401 (print_dir_vectors, print_dist_vectors,
1402 debug_data_dependence_relation): Declared.
1403 (index_in_loop_nest): New.
1404 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1405 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1408 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1410 * simplify-rtx.c (simplify_relational_operation): Call
1411 simplify_relational_operation_1 even if mode is VOIDmode.
1413 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1415 PR tree-optimization/26804
1416 * tree.h (DECL_CALL_CLOBBERED): New macro.
1417 (tree_decl_common): Add call_clobbered_flag.
1418 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1419 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1420 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1421 (mark_non_addressable): Ditto.
1422 * tree-ssa.c (verify_call_clobbered): New function.
1423 (verify_alias_info): Use it.
1424 * tree-pass.h (pass_reset_cc_flags): New prototype.
1425 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1426 (reset_cc_flags): New function.
1427 * passes.c (init_optimization_passes): Call reset_cc_flags after
1428 initializing referenced_vars.
1430 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1431 Roger Sayle <roger@eyesopen.com>
1434 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1435 to 1.0 for non-real operands. Implement A / A optimization for
1438 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1440 * config/i386/i386.c (size_cost): Correct the comment for
1441 cost of storing fp registers.
1442 (i386_cost): Likewise.
1443 (i486_cost): Likewise.
1444 (pentium_cost): Likewise.
1445 (pentiumpro_cost): Likewise.
1446 (k6_cost): Likewise.
1447 (athlon_cost): Likewise.
1448 (k8_cost): Likewise.
1449 (pentium4_cost): Likewise.
1450 (nocona_cost): Likewise.
1451 (generic64_cost): Likewise.
1452 (generic32_cost): Likewise.
1454 2006-03-24 Denis Chertykov <denisc@overta.ru>
1456 * config/avr/avr-protos.h (extra_constraint): Delete.
1457 (extra_constraint_Q): New declaration.
1458 * config/avr/constraints.md: New file.
1459 * config/avr/avr.md: Include it.
1460 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1461 (TMP_REGNO, ZERO_REGNO): Likewise.
1462 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1463 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1464 (extra_constraint): Delete.
1465 (extra_constraint_Q): Test for memory constraint 'Q'.
1466 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1467 (REG_CLASS_FROM_LETTER): Delete.
1468 (CONST_OK_FOR_LETTER_P): Delete.
1469 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1470 (EXTRA_CONSTRAINT): Delete.
1471 (TMP_REGNO): Delete.
1472 (ZERO_REGNO): Delete.
1474 2006-03-24 Jeff Law <law@redhat.com>
1476 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1477 directly. Call mark_new_vars_to_rename slightly earlier.
1479 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1481 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1483 (gen_compile_unit_die): Use new language types for Objective-C and
1485 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1486 DW_LANG_C_plus_plus.
1489 * config/t-darwin (crt3.o): Work around bug 26840.
1490 * config/darwin-crt3.c: Rewrite.
1491 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1493 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1495 * doc/invoke.texi: Document -femit-class-debug-always
1496 * common.opt: Add -femit-class-debug-always.
1498 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1500 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1501 index and base register.
1502 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1503 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1504 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1505 REGNO_OK_FOR_INDEX_P.
1506 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1508 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1509 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1510 REG_OK_FOR_BASE_P): Definitions removed.
1512 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1515 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1516 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1517 set yet or weren't marked as local yet.
1519 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1521 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1524 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1526 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1527 (rs6000_legitimate_small_data_p): Delete.
1528 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1529 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1530 and make static. Add forward declaration. Update uses.
1531 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1532 of offsettable_memref_p.
1533 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1534 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1536 2006-03-24 Jeff Law <law@redhat.com>
1538 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1539 around bug in immediate-use iterator.
1541 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1544 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1545 or __LITTLE_ENDIAN__.
1547 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1549 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1550 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1551 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1552 * config/sh/sh.opt (mdiv=): Amend description.
1553 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1554 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1555 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1556 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1557 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1558 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1559 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1560 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1561 TARGET_DIVIDE_CALL_FP.
1563 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1565 * haifa-sched.c (choose_ready): Fix type of the local variable.
1566 Move local variables. Add comment.
1567 (check_reg_live): Change signature. Make callable from debugger.
1568 * sched-int.h (check_reg_live): Update signature.
1569 * sched-ebb.c (check_reg_live): Update parameters.
1570 * sched-rgn.c (check_reg_live): Ditto.
1571 (region_head_or_leaf_p): Check pointer before dereferencing.
1572 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1573 before reload on optimization levels below 1.
1575 2006-03-23 Richard Henderson <rth@redhat.com>
1577 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1581 * config/alpha/predicates.md (local_symbolic_operand): Reject
1584 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1587 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1588 expressions which have overflowed constants.
1590 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1592 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1594 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1596 * cfgloopmanip.c (create_loop_notes): Removed.
1597 * final.c (final_scan_insn): Do not handle loop notes.
1598 * jump.c (squeeze_notes): Ditto.
1599 * cfglayout.c (skip_insns_after_block,
1600 duplicate_insn_chain): Ditto.
1601 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1603 * cfgloop.h (create_loop_notes): Declaration removed.
1605 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1607 * varasm.c (output_constant_pool): Restore fnname and fndecl
1609 (assemble_start_function): Adjust call accordingly.
1610 (assemble_end_function): Likewise.
1612 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1615 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1618 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1620 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1623 * system.h (ICE_EXIT_CODE): New macro.
1624 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1625 (diagnostic_action_after_output): Likewise.
1626 * gcc.c (fatal_ice): New function.
1627 (execute): Use it instead of fatal.
1628 (fancy_abort): Likewise.
1629 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1631 2006-03-22 Jeff Law <law@redhat.com>
1633 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1634 iv_analyze_result returning false.
1636 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1638 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1640 2006-03-22 Richard Henderson <rth@redhat.com>
1643 * except.c (duplicate_eh_regions_0): New.
1644 (duplicate_eh_region_1): Duplicate the children of the node as
1645 well as the node itself. Link them up properly.
1646 (duplicate_eh_region_2): Merge into ...
1647 (duplicate_eh_regions): ... here. Take copy_region argument, and
1648 copy only a sub-tree if asked. Simplify copying and fixup.
1649 (eh_region_outer_p): New.
1650 * except.h (duplicate_eh_regions): Update decl.
1651 (eh_region_outer_p): Declare.
1652 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1653 (lower_omp_master): Likewise.
1654 (lower_omp_ordered): Likewise.
1655 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1656 (move_stmt_r): Use it to remap labels. Handle recursion vs
1657 remap_decls_p properly.
1658 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1659 (find_outermost_region_in_block): New.
1660 (new_label_mapper): New.
1661 (move_sese_region_to_fn): Copy eh information to the new function
1663 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1665 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1668 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1670 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1671 into shared libraries.
1673 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1675 * doc/md.texi: Refer to i386/constraints.md instead of
1677 * config/i386/constraints.md: New file, extracted from...
1678 * config/i386/predicates.md: ...here.
1679 * config/i386/i386.md: Include constraints.md.
1681 2006-03-21 Jason Merrill <jason@redhat.com>
1683 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1686 * expr.c (init_block_move_fn): Force default visibility.
1687 (init_block_clear_fn): Likewise.
1688 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1689 * targhooks.c (default_external_stack_protect_fail): Likewise.
1691 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1693 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1694 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1695 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1696 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1697 (loadgp): Use mips_current_loadgp_style.
1698 (loadgp_noshared): New pattern.
1699 (sibcall_internal): Use MIPS_CALL.
1700 (sibcall_value_internal): Likewise.
1701 (sibcall_value_multiple_internal): Likewise.
1702 (call_internal): Likewise.
1703 (call_value_internal): Likewise.
1704 (call_value_multiple_internal): Likewise.
1705 (call_split): Use MIPS_CALL and add an 'S' constraint.
1706 (call_value_split): Likewise.
1707 (call_value_multiple_split): Likewise.
1708 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1709 (-mshared): New option.
1710 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1711 (mips_current_loadgp_style): Declare.
1712 * config/mips/mips.c (mips_classify_symbol): Avoid using
1713 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1714 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1715 TARGET_ABSOLUTE_ABICALLS.
1716 (override_options): Adjust comments. Improve the warning that is
1717 issued when -mabicalls and -G are used together.
1718 (mips_file_start): Remove comment.
1719 (mips_current_loadgp_style): New function.
1720 (mips_gnu_local_gp): New variable.
1721 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1723 (mips_output_function_prologue): Use mips_current_laodgp_style.
1724 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1725 the cprestore instruction.
1726 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1727 live for TARGET_ABSOLUTE_ABICALLS.
1728 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1729 (ASM_SPEC): Pass down -mshared and -mno-shared.
1730 (MIPS_CALL): New macro.
1731 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1733 * doc/invoke.texi (-mabicalls): Update documentation.
1734 (-mshared): Document.
1736 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1738 * config/ia64/unwind-hpux.c: New file.
1739 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1741 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1744 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1746 2006-03-21 Jeff Law <law@redhat.com>
1748 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1749 type conversions of a VR_VARYING source to a wider type.
1751 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1753 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1754 tm_file on Solaris 10 and later.
1755 (sparc64-*-solaris2*): Likewise.
1756 (sparc-*-solaris2*): Likewise.
1757 * config/sol26.h: Rename to config/sol2-6.h.
1758 * config/sol2-10.h: New file.
1760 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1763 * tree-ssa-pre.c (create_component_ref_by_pieces):
1766 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1769 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1770 return it immediately.
1772 2006-03-21 Michael Matz <matz@suse.de>
1774 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1776 (remove_arc, add_arc): Update num_out_arcs member.
1777 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1779 (cache_presence): New function.
1780 (compare_states_for_equiv): New function.
1781 (state_is_differed): Don't take number of outargs, adjust callers.
1782 Use new invariant for speeding up.
1783 (init_equiv_class): Create initial classes based on sorted
1785 (partition_equiv_class): Don't track out_arcs_num.
1786 (evaluate_equiv_classes): Call cache_presence on all states and
1789 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1791 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1792 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1793 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1794 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1796 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1797 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1798 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1799 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1800 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1802 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1803 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1804 (REGNO_REG_CLASS): ARGP is in PREGS.
1805 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1807 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1808 to deal with those addresses.
1809 * addresses.h: New file.
1810 * caller-save.c: Include "addresses.h".
1811 (init_caller_save): Use new base_reg_class function.
1812 * rtl-factoring.c: Include "addresses.h".
1813 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1814 * recog.c: Include "addresses.h".
1815 (preprocess_constraints): Use new base_reg_class function.
1816 * regrename.c: Include "addresses.h".
1817 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1818 functions. Keep track of a new var INDEX_CODE to compute valid
1820 (replace_oldest_value_addr): Likewise.
1821 (replace_oldest_value_mem): Use base_reg_class.
1822 * reload.c: Include "addresses.h".
1823 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1824 (find_reloads): Use new base_reg_class function.
1825 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1826 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1827 all callers and prototype changed.
1828 * reload1.c: Include "addresses.h".
1829 (maybe_fix_stack_asms): Use base_reg_class.
1830 * regclass.c: Include "addresses.h".
1831 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1832 (init_reg_autoinc): Use new base_reg_class function.
1833 (record_reg_classes): Likewise.
1834 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1835 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1836 Use new args to compute necessary class.
1838 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1839 regrename.o, rtl-factoring.o): Update dependencies.
1840 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1841 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1842 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1843 REG_OK_FOR_INDEX_P): Delete documentation.
1845 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1847 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1848 from V7 to V9 for Solaris 7 and above.
1850 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1852 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1853 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1854 argument pointers may not alias any other storage.
1855 * common.opt: Define option -fargument-noalias-anything.
1856 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1857 alias semantics is specified by flag_argument_noalias > 2.
1859 2006-03-20 Jeff Law <law@redhat.com>
1861 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1862 (pass_phi_only_cprop): Declare.
1863 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1865 * tree-ssa-dom.c (degenerate_phi_result): New function.
1866 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1867 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1868 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1869 (eliminate_degenerate_phis): Likewise.
1870 (pass_phi_only_cprop): New pass descriptor.
1871 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1872 support code. Callers updated.
1873 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1874 (store_copy_prop): Likewise.
1875 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1877 2006-03-20 Jason Merrill <jason@redhat.com>
1880 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1881 (push_visibility, pop_visibility): Likewise.
1882 * c-pragma.h: Declare them.
1884 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1886 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1888 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1889 parameter and use get_ebb_head_tail.
1890 (sh_md_init_global): Adjust uses of find_regmode_weight.
1892 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1894 * function.h (struct function) <x_tail_recursion_reentry>:
1895 Rename to x_stack_check_probe_note.
1896 (tail_recursion_reentry): Rename to stack_check_probe_note.
1897 * function.c: Replace tail_recursion_reentry with
1898 stack_check_probe_note everywhere.
1899 (expand_function_start): Only emit a note for
1900 stack_check_probe_note with -fstack-protect.
1901 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1903 * emit-rtl.c (remove_unnecessary_notes): Remove.
1904 (pass_remove_unnecessary_notes): Remove.
1905 * rtl.h (remove_unnecessary_notes): Remove prototype.
1906 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1907 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1908 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1910 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1913 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1914 (valid_in_set): Handle ARRAY_REF.
1915 Change "if min_variant or VH" to asserts.
1916 (create_component_ref_by_pieces): Handle ARRAY_REF.
1917 (create_expression_by_pieces): Likewise.
1918 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1920 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1922 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1923 is operand of switch, not str[0].
1925 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1927 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1928 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1930 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1932 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1933 end of insn_extra_address_constraint declaration.
1935 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1937 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1938 (no-sum-in-toc): Same.
1939 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1941 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1942 NO_FP_IN_TOC for -fPIC instead of mask.
1944 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1945 (BOOT_LDFLAGS): Delete.
1947 * config/rs6000/t-aix52: Same.
1949 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1950 (stmsi[345678]_power): New.
1952 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1954 * config/ia64/ia64.opt: Add empty line to end of file.
1956 2006-03-17 Richard Guenther <rguenther@suse.de>
1959 * builtins.c (get_pointer_alignment): For component style references
1960 adjust alignment to the component type alignment. Make sure
1961 to adjust alignment for component access of constants.
1963 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1965 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1968 2006-03-17 Paul Brook <paul@codesourcery.com>
1970 * doc/install.texi: Docuemnt --with-mode.
1971 * config.gcc: Add --with-mode for arm*-*-*.
1972 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1974 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1976 * sh.c (max_labelno_before_reorg): New variable.
1977 (sh_reorg): Initialize it.
1978 (find_barrier): Check max_labelno_before_reorg before using
1979 label_to_alignment. Take length of explicit alignment insns
1980 into account. When seeing a UNSPECV_CONST_END, return it.
1982 * sh.c (fixup_mova): Set mode of affected label to QImode.
1983 (untangle_mova): New function.
1984 (find_barrier): Use it. Check mode of label before decrementing
1986 (sh_reorg): Likewise.
1987 Set mode of all insns back to VOIDmode.
1989 * sh.c (MOVA_LABELREF): New macro.
1990 (mova_p, fixup_mova, sh_reorg): Use it.
1991 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1992 ADDR_DIFF_VEC matches mova.
1994 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1996 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1997 with ATTRIBUTE_UNUSED.
1999 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2001 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2002 pointer, instead of assuming it is possible to derive the
2003 correct args size from a call insn.
2005 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2007 * rtl.h (CONST_INT_P): Define.
2008 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2009 instead of GET_CODE(x) == CONST_INT.
2010 (vax_rtx_costs): Likewise.
2011 (vax_output_int_move): Likewise.
2012 (vax_output_int_add): Likewise.
2013 (legitimate_constant_address_p): Likewise.
2014 (index_term_p): Likewise.
2015 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2016 * config/vax/vax.md (and<mode>3): Likewise.
2017 (ashrsi3): Likewise.
2019 (movstricthi): Likewise.
2020 (movstrictqi): Likewise.
2021 (rotrsi3): Likewise.
2022 (five unnamed insns): Likewise.
2024 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2026 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2027 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2028 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2029 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2030 Pass to ASM_OUTPUT_DWARF_OFFSET.
2031 * dwarf2out.c (debug_frame_section): New.
2032 (output_call_frame_info): Use debug_frame_section. Pass it to
2033 dw2_asm_output_offset.
2034 (output_die): Pass appropriate section to dw2_asm_output_offset.
2035 (output_compilation_unit_header): Likewise.
2036 (output_pubnames): Likewise.
2037 (output_aranges): Likewise.
2038 (enum dw_val_class): Break dw_val_class_lbl_offset into
2039 dw_val_class_lineptr and dw_val_class_macptr.
2040 (add_AT_lbl_offset): Delete.
2041 (add_AT_lineptr): New.
2042 (add_AT_macptr): New.
2043 (AT_lbl): Expect a lineptr or macptr.
2044 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2045 (attr_checksum): Likewise.
2046 (same_dw_val_p): Likewise.
2047 (size_of_die): Likewise.
2048 (value_format): Likewise.
2049 (output_die): Likewise.
2050 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2052 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2053 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2054 * config/darwin-protos.h (darwin_file_start): New.
2055 (darwin_asm_output_dwarf_offset): New.
2056 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2057 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2059 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2060 if not EH section; simplify.
2061 (darwin_file_start): New.
2062 (darwin_asm_output_dwarf_offset): New.
2063 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2065 (DEBUG_INFO_SECTION): Likewise.
2066 (DEBUG_ABBREV_SECTION): Likewise.
2067 (DEBUG_ARANGES_SECTION): Likewise.
2068 (DEBUG_MACINFO_SECTION): Likewise.
2069 (DEBUG_LINE_SECTION): Likewise.
2070 (DEBUG_LOC_SECTION): Likewise.
2071 (DEBUG_PUBNAMES_SECTION): Likewise.
2072 (DEBUG_STR_SECTION): Likewise.
2073 (DEBUG_RANGES_SECTION): Likewise.
2074 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2075 (ASM_OUTPUT_DWARF_OFFSET): New.
2077 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2079 * config.gcc (tm_defines): Always add to previous value rather
2082 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2084 * config/mips/predicates.md (splittable_const_int_operand): New,
2085 split from move_operand.
2086 (splittable_symbolic_operand): New.
2087 (move_operand): Add commentary. Use splittable_const_int_operand.
2088 Inline mips_atomic_symbolic_constant_p.
2089 * config/mips/mips.md: Add combine splitters for handling moves
2090 of splittable_const_int_operands and splittable_symbolic_operands.
2091 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2092 (mips_split_symbol): Declare.
2093 (mips_move_integer): Declare.
2094 * config/mips/mips.c (mips_split_p): Make global.
2095 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2096 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2097 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2098 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2099 (mips_offset_within_object_p): Handle block symbols.
2100 (mips_atomic_symbolic_constant_p): Delete.
2101 (mips_cannot_force_const_mem): Return false for constants that
2102 mips_legitimize_move can handle.
2103 (mips_use_blocks_for_constant_p): New function.
2104 (mips_split_symbol): Make global.
2105 (mips_move_integer): Likewise. Add a temporary register argument.
2106 (mips_legitimize_const_move): Use splittable_const_int_operand and
2107 splittable_symbolic_operand.
2108 (mips_use_anchors_for_symbol_p): New function.
2109 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2110 (mips_split_p): Declare.
2112 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2114 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2115 (mips*-*-linux*): Likewise.
2117 2006-03-16 Roger Sayle <roger@eyesopen.com>
2118 Daniel Speyer <dspeyer@wam.umd.edu>
2121 * tree-dump.c (dump_real): New function.
2122 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2123 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2124 (tree-dump.o): Add $(REAL_H) to the dependencies.
2126 2006-03-16 Roger Sayle <roger@eyesopen.com>
2129 * real.c (real_from_string): If the mantissa is zero, don't bother
2130 parsing the exponent as the result should always be zero.
2132 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2134 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2136 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2138 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2139 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2140 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2141 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2142 ia64_sched_finish_global): New static functions to implement
2143 hooks from gcc_target.sched.
2144 (spec_check_no, max_uid, pending_data_specs): New static variables.
2145 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2146 ia64_spec_check_src_p): New static functions.
2147 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2148 (TARGET_SCHED_ADJUST_COST): Removed.
2149 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2150 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2151 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2152 TARGET_SCHED_GEN_CHECK,
2153 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2154 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2155 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2156 Fixed to handle speculation checks.
2157 (rtx_needs_barrier): Fixed to handle speculative loads and
2159 (ia64_variable_issue): Added code to count speculative loads and their
2161 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2163 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2165 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2167 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2168 (ia64_reorg): Reset stops_p to NULL after it is freed.
2169 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2170 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2171 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2173 (data_speculative, control_speculative, check_load): New attributes.
2174 (mov<mode>_advanced, mov<mode>_speculative,
2175 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2176 zero_extend<mode>di2_speculative,
2177 zero_extend<mode>di2_speculative_advanced): New patterns for
2178 data and control speculative loads.
2179 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2181 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2182 New pattern for data and control speculation checks.
2183 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2184 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2185 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2186 Auxiliary definitions for the patterns.
2187 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2188 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2190 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2192 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2193 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2194 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2195 New resource constraints.
2196 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2198 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2199 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2200 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2201 msched-in-control-spec, msched-ldc, msched-control-ldc,
2202 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2203 msched-prefer-non-control-spec-insns,
2204 msched-count-spec-in-critical-path): New flags to tune speculative
2206 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2207 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2208 msched-in-control-spec, msched-ldc, msched-control-ldc,
2209 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2210 msched-prefer-non-control-spec-insns,
2211 msched-count-spec-in-critical-path): Document new flags.
2213 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2215 * target.h (struct spec_info_def): New opaque declaration.
2216 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2217 speculate_insn, needs_block_p, gen_check,
2218 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2219 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2220 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2221 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2222 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2223 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2225 (TARGET_SCHED): Use new macros.
2226 * rtl.h (copy_DEPS_LIST_list): New prototype.
2227 * sched-int.h (struct sched_info): Change signature of new_ready field,
2228 adjust all initializations. New fields: add_remove_insn,
2229 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2230 region_head_or_leaf_p.
2231 (struct spec_info_def): New structure declaration.
2232 (spec_info_t): New typedef.
2233 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2234 recovery_block, orig_pat.
2235 (glat_start, glat_end): New variables declaraions.
2236 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2238 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2239 DETACH_LIFE_INFO, USE_GLAT.
2240 (enum SPEC_SCHED_FLAGS): New enumeration.
2241 (NOTE_NOTE_BB_P): New macro.
2242 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2243 attach_life_info, debug_spec_status, check_reg_live): New functions.
2244 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2245 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2247 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2248 * ddg.c (get_block_head_tail): Adjust all uses.
2249 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2250 (sms_sched_info): Initialize new fields.
2251 (contributes_to_priority): Removed.
2252 * haifa-sched.c (params.h): New include.
2253 (get_block_head_tail): Adjust all uses.
2254 (ISSUE_POINTS): New macro.
2255 (glat_start, glat_end): New global variables.
2256 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2257 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2258 old_last_basic_block, before_recovery, current_sched_info_var,
2259 rgn_n_insns, luid): New static variables.
2260 (insn_cost1): New function. Move logic from insn_cost to here.
2261 (find_insn_reg_weight1): New function. Move logic from
2262 find_insn_reg_weight to here.
2263 (reemit_notes, move_insn, max_issue): Change signature.
2264 (move_insn1): Removed.
2265 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2266 extend_bb): New static functions to support extension of scheduler's
2268 (generate_recovery_code, process_insn_depend_be_in_spec,
2269 begin_speculative_block, add_to_speculative_block,
2270 init_before_recovery, create_recovery_block, create_check_block_twin,
2271 fix_recovery_deps): New static functions to support
2272 generation of recovery code.
2273 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2274 restore_bb_notes, move_block_after_check, move_succs): New static
2275 functions to support ebb scheduling.
2276 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2277 functions to support handling of register live information.
2278 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2279 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2280 add_jump_dependencies): New static functions.
2281 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2282 consistancy checking.
2283 (debug_spec_status): New function to call from debugger.
2284 (priority): Added code to handle speculation checks.
2285 (rank_for_schedule): Added code to distinguish speculative instructions.
2286 (schedule_insn): Added code to handle speculation checks.
2287 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2288 Fixed to handle ebbs.
2289 (move_insn): Added code to handle ebb scheduling.
2290 (max_issue): Added code to use ISSUE_POINTS of instructions.
2291 (choose_ready): Added code to choose between speculative and
2292 non-speculative instructions.
2293 (schedule_block): Added code to handle ebb scheduling and scheduling of
2294 speculative instructions.
2295 (sched_init): Initialize new variables.
2296 (sched_finish): Free new variables. Print statistics.
2297 (try_ready): Added code to handle speculative instructions.
2298 * lists.c (copy_DEPS_LIST_list): New function.
2299 * sched-deps.c (extend_dependency_caches): New function. Move logic
2300 from create_dependency_caches to here.
2301 (get_dep_weak, ds_merge): Make global.
2302 * genattr.c (main): Code to output prototype for
2303 dfa_clear_single_insn_cache.
2304 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2305 (output_dfa_clean_insn_cache_func): Code to output
2306 dfa_clear_single_insn_cache function.
2307 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2309 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2311 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2312 New static variables.
2313 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2314 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2316 (ebb_sched_info): Initialize new fields.
2317 (get_block_head_tail): Adjust all uses.
2318 (compute_jump_reg_dependencies): Fixed to use glat_start.
2319 (schedule_ebb): Code to remove unreachable last block.
2320 (schedule_ebbs): Added code to update register live information.
2321 * sched-rgn.c (region_sched_info): Initialize new fields.
2322 (get_block_head_tail): Adjust all uses.
2323 (last_was_jump): Removed. Adjust users.
2324 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2325 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2326 Implement new hooks.
2327 (check_dead_notes1): New static function.
2328 (struct region): New fields: dont_calc_deps, has_real_ebb.
2329 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2330 (BB_TO_BLOCK): Fixed to handle EBBs.
2331 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2332 (ebb_head): New static variable.
2333 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2334 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2336 (compute_dom_prob_ps): New assertion.
2337 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2338 global_live_at_start.
2339 (init_ready_list): New assertions.
2340 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2341 (new_ready): Add support for BEGIN_CONTROL speculation.
2342 (schedule_insns): Fixed code that updates register live information
2344 (schedule_region): Fixed to handle EBBs.
2345 (init_regions): Use extend_regions and check_dead_notes1.
2346 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2347 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2348 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2349 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2350 TARGET_SCHED_GEN_CHECK,
2351 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2352 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2353 * doc/invoke.texi (max-sched-insn-conflict-delay,
2354 sched-spec-prob-cutoff): Document.
2356 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2358 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2359 inter_tick, queue_index.
2360 (struct sched_info): Change signature of init_ready_list field.
2361 Adjust all initializations.
2362 (RESOLVED_DEPS): New access macro.
2363 (ready_add): Remove prototype.
2364 (try_ready): Add prototype.
2365 * sched-rgn.c (init_ready_list): Use try_ready.
2366 (schedule_region): Initialize
2367 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2368 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2369 (init_ready_list): Use try_ready.
2370 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2371 * lists.c (remove_list_elem): Remove `static'.
2372 (remove_free_INSN_LIST_elem): New function.
2373 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2374 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2375 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2377 (readyp): New variable.
2378 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2379 change_queue_index, resolve_dep): New static functions.
2380 (try_ready): New function. Adjust callers in sched-rgn.c and
2381 sched-ebb.c to use it instead of ready_add.
2382 (clock_var): Move at the begining of file.
2383 (rank_for_schedule): Fix typo.
2384 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2385 (ready_lastpos): Enforce assertion.
2386 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2388 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2389 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2390 (queue_to_ready): Use free_INSN_LIST_list.
2391 (early_queue_to_ready): Fix typo.
2392 (schedule_block): Init readyp. Move init_ready_list call after the
2393 initialization of clock_var. Fix error in rejecting insn by
2394 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2395 that previously corrected INSN_TICKs. Add code for handling
2397 (set_priorities): Fix typo.
2398 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2399 Clarify comment and code that keeps current_sched_info->next_tail
2402 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2404 * sched-rgn.c (extend_rgns): New static function.
2405 (find_rgns): Use it.
2406 (gather_region_statistics, print_region_statistics): New static
2408 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2409 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2411 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2412 Andrey Belevantsev <abel@ispras.ru>
2414 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2415 * lists.c (unused_deps_list): New variable.
2416 (free_list): Add assertions to verify the proper distinguishing
2417 between INSN_LISTs and DEPS_LISTs.
2418 (find_list_elem, remove_list_elem, remove_list_node): New static
2420 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2421 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2422 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2423 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2425 (free_INSN_LIST_node): Likewise.
2426 * modulo-sched.c (current_sched_info): Initialize flags field.
2427 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2428 * rtl.def (DEPS_LIST): Define.
2429 * rtl.h: Declare new functions from lists.c.
2430 * sched-deps.c (spec_dependency_cache): New static variable.
2431 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2432 (add_dependence): Change return type to void. Move the logic to ...
2433 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2434 (delete_all_dependences): Add comment about forward_dependency_cache.
2435 Handle spec_dependency_cache. Handle DEPS_LISTs.
2436 (fixup_sched_groups): Clarify the change of priority of output
2437 and anti dependencies.
2438 (sched_analyze_2): Adjust add_dependence calls to create data
2439 speculative dependence.
2440 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2441 Adjust all callers. Handle DEPS_LISTS.
2442 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2443 presence of speculation.
2444 (init_dependency_caches, free_dependency_caches):
2445 Handle spec_dependency_cache.
2446 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2447 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2448 New static functions.
2449 (add_or_update_back_dep, add_or_update_back_forw_dep,
2450 add_back_forw_dep, delete_back_forw_dep): New functions.
2451 * sched-int.h (ds_t, dw_t): New typedefs.
2452 (struct sched_info): Add new field flags.
2453 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2454 Prototype new sched-deps.c functions.
2455 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2456 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2457 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2458 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2459 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2460 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2462 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2464 * sched-rgn.c (current_sched_info): Initialize flags field.
2465 (schedule_insns): Initialize current_sched_info before the sched_init
2467 * sched-ebb.c (current_sched_info): Initialize flags field.
2468 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2469 Call add_or_update_back_dep instead of add_dependence.
2470 Create control speculative dependencies.
2471 (schedule_insns): Initialize current_sched_info before the sched_init
2474 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2476 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2478 (sh_fallback_frame_state): Likewise.
2480 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2482 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2483 Do switch on default_use_cxa_atexit.
2484 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2485 * config/darwin-crt3.o: New.
2486 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2487 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2488 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2490 * config/rs6000/t-darwin: Move crt2.o building to here.
2491 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2492 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2495 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2497 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2498 from '! xxx' to '!xxx' for coding-style conformance.
2499 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2500 (EXTRA_CONSTRAINT): Likewise.
2501 * config/vax/vax.md (four unnamed insns): Likewise.
2503 2006-03-15 Paul Brook <paul@codesourcery.com>
2505 * config/arm/arm.c (minipool_pad): New.
2506 (add_minipool_forward_ref): Include pool alignment padding in address
2508 (push_minipool_fix): Set minipool_pad.
2509 (minipool_pad): Ditto.
2511 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2513 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2514 instead of GET_CODE() == MEM and REG_P() instead of
2516 (print_operand_address): Likewise.
2517 (vax_address_cost): Likewise.
2518 (vax_rtx_costs): Likewise.
2519 (vax_notice_update_cc): Likewise.
2520 (vax_output_int_add): Likewise.
2521 (INDEX_REGISTER_P): Likewise.
2522 (BASE_REGISTER_P): Likewise.
2523 (nonindexed_address_p): Likewise.
2524 (vax_mode_dependent_address_p): Likewise.
2525 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2526 (PRINT_OPERAND): Likewise.
2527 * config/vax/vax.md (ashlsi3): Likewise.
2528 (ashlsi3): Likewise.
2529 (some more unnamed insns): Likewise.
2531 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2533 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2534 iterator-style macro.
2535 (mark_control_dependent_edges_necessary): Update the use of
2536 EXECUTE_IF_CONTROL_DEPENDENT.
2538 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2540 * config/sh/predicates.md (cache_address_operand): Special.
2541 (ua_address_operand): Likewise.
2543 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2545 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2547 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2549 2006-03-15 Andreas Schwab <schwab@suse.de>
2551 * gensupport.c (identify_predicable_attribute): Don't free p_false
2552 when it is still in use.
2554 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2556 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2557 the default setting here.
2559 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2561 * tree-pass.h (pass_cfg): Remove.
2562 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2563 * passes.c (pass_cfg): Don't run it.
2565 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2567 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2568 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2570 (stack_regs_mentioned): Update the uses of
2571 stack_regs_mentioned_data. Don't access the array beyond its
2573 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2574 Don't include gt-reg-stack.h.
2576 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2577 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2579 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2582 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2585 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2587 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2589 2006-03-14 Richard Guenther <rguenther@suse.de>
2591 PR tree-optimization/26672
2592 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2595 2006-03-14 Richard Guenther <rguenther@suse.de>
2597 PR tree-optimization/26667
2598 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2599 node for the callees. Always allow inlining if it will shrink
2602 2006-03-14 Richard Guenther <rguenther@suse.de>
2605 * builtins.c (get_pointer_alignment): Prefer alignment
2606 information from decls over that from types.
2608 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2611 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2613 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2615 * config/rs6000/rs6000.opt (mdlmzb): New option.
2616 (msched-prolog, msched-epilog): Use Var not Mask.
2617 * doc/invoke.texi (-mdlmzb): Document.
2618 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2620 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2621 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2623 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2625 PR rtl-optimization/25739
2626 * bt-load.c (augment_live_range): Free tos pointer.
2628 * gensupport.c (identify_predicable_attribute): Free
2630 * gcov.c (create_file_names): Free name pointer.
2632 2006-03-13 Roger Sayle <roger@eyesopen.com>
2635 * stmt.c (emit_case_nodes): Handle the case where the index is a
2636 CONST_INT, where the comparison mode is specified by the index type.
2638 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2640 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2643 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2645 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2646 (*branch_fp_inverted): Likewise.
2648 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2651 * omp-low.c (expand_omp_for_generic): Mark istart0
2652 and iend0 as addressable.
2654 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2656 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2658 2006-03-13 Jeff Law <law@redhat.com>
2660 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2661 virtual operands are interesting.
2662 (vrp_visit_stmt): Corresponding changes.
2664 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2666 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2668 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2669 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2670 * config/bfin/crti.S: Use it instead of __PIC__.
2671 * config/bfin/crtn.S: Likewise.
2673 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2674 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2676 Lose 'G' modifier for call operand.
2677 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2678 recognize 'G' modifier.
2680 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2683 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2684 * stmt.c (expand_case): Likewise.
2686 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2688 PR rtl-optimization/26254
2689 * loop-invariant.c (seq_insns_valid_p): New function.
2690 (move_invariant_reg): Only emit new code if it is valid.
2692 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2694 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2696 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2697 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2698 (commit_one_edge_insertion): Do not look for loop notes.
2700 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2702 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2703 flag_test_coverage out of loop.
2705 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2707 * final.c (shorten_branches): Remove outdated comment, and turn
2708 the if branch that guards it to continue.
2710 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2712 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2713 * cfgloop.h (struct loop): Remove unused fields.
2715 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2717 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2718 (-dL, -fdump-rtl-loop2): Update the dump file names
2720 * doc/invoke.texi: Update dump file names.
2722 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2724 * predict.c (estimate_probability): Remove.
2725 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2726 * basic-block.h (estimate_probability): Remove prototype.
2727 * passes.c (finish_optimization_passes): Dump branch prediction or
2728 profiling heuristics to the .profile tree dump.
2729 (init_optimization_passes): Unqueue pass_branch_prob.
2731 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2733 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2735 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2736 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2738 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2740 * function.h (frame_offset_overflow): Declare.
2741 * function.c (frame_offset_overflow): New function.
2742 (assign_stack_local_1): Call it to detect that the offset overflows.
2743 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2745 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2747 * config/sh/sh.c: Include alloc-pool.h.
2748 (label_ref_list_pool): New alloc pool.
2749 (label_ref_list_t): New type for lists of labels.
2750 (struct pool_node): Make wend a label_ref_list_t.
2751 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2753 (dump_table): Likewise.
2754 (sh_reorg): Set up the alloc pool before using add_constant and
2755 dump_table, and destroy it when finishing.
2757 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2759 * config/mips/mips.c: Remove redundant comment.
2761 2006-03-10 Jason Merrill <jason@redhat.com>
2764 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2765 the target was declared 'register'.
2767 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2769 * genpreds.c (write_insn_constraint_len): Change definition of
2770 insn_constraint_len to return size_t to match the declaration.
2772 2006-03-10 DJ Delorie <dj@redhat.com>
2774 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2776 (m32c_expand_insv): Fix test for an AND mask.
2778 2006-03-10 Richard Guenther <rguenther@suse.de>
2781 * builtins.c (get_pointer_alignment): Handle component
2782 references for field alignment.
2784 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2786 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2787 when building with libgloss.
2788 (sh*elf): Implement --without-fp option.
2789 (sh64-superh-linux*): Don't multilib.
2791 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2793 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2795 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2797 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2798 Set it when one of the replacement functions returned true.
2799 Return TODO_cleanup_cfg if cfgchanged is true.
2800 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2802 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2804 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2805 instead of gen_lowpart.
2807 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2809 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2811 (mips_output_order_conditional_branch): Declare.
2812 * config/mips/mips.h (MIPS_BRANCH): New macro.
2813 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2814 for the comparison. Use gen_condjump.
2815 (mips_output_conditional_branch): Rework interface to take the
2816 asm templates for a direct branch and the inverse of a direct branch.
2817 (mips_output_order_conditional_branch): New function.
2818 (mips_builtin_branch_and_move): New function.
2819 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2820 branch condition. Use gen_single_cc as the condition for
2821 __builtin_mips_upper_* or __builtin_mips_lower_*.
2822 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2823 Use VOIDmode for the branch condition.
2824 * config/mips/predicates.md (order_operator): New predicate.
2825 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2826 (branch_fp): Rename to...
2827 (*branch_fp): ...this. Remove mode from comparison operator.
2828 Use new mips_output_conditional_branch interface.
2829 (branch_fp_inverted): Rename to...
2830 (*branch_fp_inverted): ...this and update as for *branch_fp.
2831 (*branch_zero<mode>): Rename to...
2832 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2833 Use mips_output_order_conditional_branch. Only accept ordered
2835 (*branch_zero<mode>_inverted): Rename to...
2836 (*branch_order<mode>_inverted): ...this and update as for
2837 *branch_order<mode>.
2838 (*branch_equality<mode>): Accept zero as the second operand to
2839 the equality operator. Use the new mips_output_conditional_branch
2841 (*branch_equality<mode>_inverted): Likewise.
2842 (condjump): New expander.
2843 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2845 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2846 (bc1any2t, bc1any2f): Likewise.
2847 (single_cc): New expander.
2848 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2850 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2852 * doc/md.texi: Update documentation of MIPS constraints.
2853 * config/mips/constraints.md: New file.
2854 * config/mips/mips.md: Include it.
2855 * config/mips/mips.c (mips_char_to_class): Delete.
2856 (override_options): Don't initialize mips_char_to_class.
2857 * config/mips/mips.h (mips_char_to_class): Delete.
2858 (REG_CLASS_FROM_LETTER): Delete.
2859 (CONST_OK_FOR_LETTER_P): Delete.
2860 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2861 (EXTRA_CONSTRAINT_Y): Delete.
2862 (EXTRA_CONSTRAINT_STR): Delete.
2863 (CONSTRAINT_LEN): Delete.
2864 (EXTRA_MEMORY_CONSTRAINT): Delete.
2866 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2868 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2869 original fn's eh regions.
2871 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2873 * fold-const.c (build_range_check): Make sure to use a valid type to
2874 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2877 (range_predecessor): New static function.
2878 (range_successor): Likewise.
2879 (merge_ranges): Use them to compute predecessors and successors of
2882 2006-03-09 Roger Sayle <roger@eyesopen.com>
2885 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2886 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2888 2006-03-08 DJ Delorie <dj@redhat.com>
2890 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2891 (addpsi3): Expand to include memory operands. Remove
2892 reload-specific splits.
2893 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2894 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2895 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2896 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2897 (shift1_qi, shift1_hi, insv): New.
2898 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2899 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2900 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2902 * config/m32c/m32c-protos.h: Update as needed.
2903 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2904 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2905 Fail for unrecognized R* constraints.
2906 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2907 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2908 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2910 (m32c_init_libfuncs): New.
2911 (m32c_legitimate_address_p): Add debug wrapper.
2912 (m32c_rtx_costs): New.
2913 (m32c_address_cost): New.
2914 (conversions): Add 'B' prefix.
2915 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2916 operands, or word regnames for QI operands. 'B' prints bit
2918 (m32c_expand_setmemhi): New.
2919 (m32c_expand_movmemhi): New.
2920 (m32c_expand_movstr): New.
2921 (m32c_expand_cmpstr): New.
2922 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2923 (m32c_expand_neg_mulpsi3): Handle non-ints.
2924 (m32c_cmp_flg_0): New.
2925 (m32c_expand_movcc): New.
2926 (m32c_expand_insv): New.
2927 (m32c_scc_pattern): New.
2928 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2929 a0/a1 out of SIregs.
2930 (STORE_FLAG_VALUE): New.
2931 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2934 * config/m32c/mov.md: Make constraints more liberal.
2935 (zero_extendqihi2): Optimize r0/r1 case.
2936 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2937 * config/m32c/predicates.md (m32c_any_operand): New.
2938 (m32c_nonimmediate_operand): New.
2939 (m32c_hl_operand): New.
2940 (m32c_r3_operand): New.
2943 (memsym_operand): New.
2944 (memimmed_operand): New.
2945 (a_qi_operand): New.
2946 (m32c_eqne_operator): New.
2947 (m32c_1bit8_operand): New.
2948 (m32c_1bit16_operand): New.
2949 (m32c_1mask8_operand): New.
2950 (m32c_1mask16_operand): New.
2951 * config/m32c/blkmov.md: New file.
2952 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2954 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2956 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2957 unsigned to fix signed/unsigned comparison issue in
2958 DWARF2_FRAME_REG_OUT.
2959 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2960 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2962 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2963 of ptr into the ENABLE_CHECKING section.
2965 2006-03-08 Jeff Law <law@redhat.com>
2967 * tree-vrp.c (infer_value_range): Only count pointer uses
2968 and dereferences if -fdelete-null-pointer-checks is enabled.
2970 * tree-vrp.c (find_assert_locations): Infer value ranges for
2971 single use pointers, but do not create ASSERT_EXPRs for them.
2972 When a non-null range is inferred for a pointer, backwards
2973 propagate that range to other equivalent pointers through the
2976 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2979 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2980 language hook targets.
2981 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2982 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2983 if language hook targets were missing.
2985 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2987 * tree-ssa-opfinalize.h: Removed.
2988 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2990 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2991 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2992 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2993 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2994 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2995 finalize_ssa_v_must_def_ops): New.
2997 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2999 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3002 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3004 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3006 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3007 addresses with offsets; reorganize.
3009 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3010 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3011 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3013 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3016 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3018 2006-03-08 Ben Elliston <bje@au.ibm.com>
3020 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3022 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3025 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3028 2006-03-07 Richard Guenther <rguenther@suse.de>
3030 PR tree-optimization/26587
3031 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3033 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3035 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3037 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3039 * hooks.c (hook_bool_mode_rtx_true): New function.
3040 * hooks.h (hook_bool_mode_rtx_true): Declare.
3041 * toplev.c (compile_file): Call output_shared_constant_pool.
3042 * varasm.c (shared_constant_pool): New variable.
3043 (assemble_start_function, assemble_end_function): Remove arguments
3044 from call to output_constant_pool.
3045 (create_constant_pool): New function, split out from...
3046 (init_varasm_status): ...here.
3047 (force_const_mem): Choose between the shared and per-function constant
3048 pools. Set current_function_uses_const_pool when reusing old entries
3049 as well as when creating new ones.
3050 (mark_constant): Ignore data argument.
3051 (mark_constants): Remove pool argument.
3052 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3053 to decide whether the function uses a constant pool.
3054 (output_constant_pool_contents): New function, split out from...
3055 (output_constant_pool): ...here.
3056 (output_shared_constant_pool): New function.
3057 (init_varasm_once): Initialize shared_constant_pool.
3058 * output.h (output_constant_pool): Delete.
3059 (output_shared_constant_pool): Declare.
3060 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3061 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3063 2006-03-06 Nick Clifton <nickc@redhat.com>
3065 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3066 flag_strength_reduce.
3068 2006-03-06 Ben Elliston <bje@au.ibm.com>
3070 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3071 x86_64-*-linux* configurations.
3073 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3074 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3076 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3078 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3080 * basic-block.h: Remove the extern for
3081 rediscover_loops_after_threading.
3083 * cfgloop.c (cancel_loop): Make it static.
3084 * cfgloop.h: Remove the prototype for cancel_loop.
3086 * flow.c (recompute_reg_usage): Make it static.
3087 * rtl.h: Remove the prototype for recompute_reg_usage.
3089 * function.c (use_return_register): Make it static.
3090 * function.h: Remove the prototype.
3092 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3094 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3096 * recog.h: Remove the prototype for
3097 validate_change_maybe_volatile.
3099 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3101 * rtlanal.c (replace_reg): Remove.
3102 * rtl.h: Remove the prototype for replace_reg.
3104 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3106 * regclass.c (reg_scan_update): Remove.
3107 (reg_scan_mark_refs): Remove the last argument.
3108 * rtl.h: Remove the prototype for reg_scan_update.
3110 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3112 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3113 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3114 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3115 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3116 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3117 loop-invariant.c, omp-low.c, opts.c, passes.c,
3118 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3119 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3120 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3121 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3122 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3123 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3125 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3127 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3128 * dwarf2out.h: Remove the prototype for
3129 dwarf2out_add_library_unit_info.
3131 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3133 * tree.c (add_var_to_bind_expr): Remove.
3134 * tree.h: Remove the prototype for add_var_to_bind_expr.
3136 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3138 * regclass.c (n_non_fixed_regs): Remove.
3139 (init_reg_sets_1, globalize_reg): Remove all uses of
3141 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3143 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3145 * rtlanal.c (insns_safe_to_move_p): Remove.
3146 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3148 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3150 * expmed.c (expand_mult_add): Remove.
3151 * expr.h: Remove the prototype for expand_mult_add.
3153 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3155 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3156 and REG_SAVED_VAL_EXP constants.
3157 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3158 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3159 Handle regs stored by value.
3160 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3161 (execute_cfa_program): Handle DW_CFA_val_offset,
3162 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3163 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3164 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3165 (uw_install_context_1): Handle target regs stored by value.
3167 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3169 * tree-sra.c (tree_sra): Return todoflags;
3170 (generate_one_element): Set TODO_update_smt_usage if needed.
3171 (pass_sra): Remove TODO_update_smt_usage.
3172 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3174 (tree_ssa_forward_propagate_single_use_vars): Return
3175 TODO_update_smt_usage if we need to update SMT usage.
3176 (pass_forwprop): Remove TODO_update_smt_usage.
3178 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3180 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3181 (correct_use_link): Remove reference to get_stmt_operands.
3182 (update_stmt_operands): Likewise.
3183 (get_modify_expr_operands): New function factored out of
3184 parse_ssa_operands and get_expr_operands.
3185 Try to create V_MUST_DEFs for LHS by default.
3186 (get_expr_operands) <case MODIFY_EXPR>: Call
3187 get_modify_expr_operands.
3188 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3189 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3190 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3191 get_modify_expr_operands.
3193 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3195 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3196 * tree-flow.h: Remove the prototype for
3197 referenced_var_lookup_if_exists.
3199 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3201 PR rtl-optimization/26345
3203 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3205 2006-03-03 Roger Sayle <roger@eyesopen.com>
3207 PR tree-optimization/26524
3208 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3209 fold_convert to create a constant of the appropriate type.
3211 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3213 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3214 SYMBOL_REF_IN_BLOCK_P.
3215 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3216 of SYMBOL_FLAG_IN_BLOCK.
3217 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3218 instead of SYMBOL_REF_IN_BLOCK_P.
3219 * explow.c (use_anchored_address): Likewise.
3220 * rtl.c (rtx_size): Likewise.
3221 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3222 instead of SYMBOL_FLAG_IN_BLOCK.
3223 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3224 SYMBOL_REF_IN_BLOCK_P.
3225 (assemble_variable): Likewise.
3226 (output_constant_def_contents): Likewise.
3227 (output_constant_pool): Likewise.
3228 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3229 instead of SYMBOL_FLAG_IN_BLOCK.
3230 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3231 SYMBOL_REF_IN_BLOCK_P.
3232 (SYMBOL_REF_BLOCK): Likewise.
3233 (SYMBOL_REF_OFFSET): Likewise.
3234 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3235 SYMBOL_REF_IN_BLOCK_P.
3236 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3237 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3238 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3239 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3241 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3243 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3245 2006-03-02 Roger Sayle <roger@eyesopen.com>
3247 * simplify-rtx.c (simplify_unary_operation): When simplifying
3248 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3249 that we perform the right shift in the appropriate mode, and
3250 then extend or truncate the result to requested mode.
3252 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3254 * gengtype.c (main): Handle double_int type.
3255 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3256 * double-int.c: New file.
3257 * double-int.h: New file.
3258 * system.h: Include doubleint.h.
3259 * Makefile.in (SYSTEM_H): Include double-int.h.
3260 (double-int.o): Add.
3262 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3265 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3268 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3270 * tree-vrp.c (remove_range_assertions): Do not update statements
3273 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3275 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3277 * gcse.c (rest_of_handle_gcse): Ditto.
3278 * except.c (gate_handle_eh): Ditto.
3279 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3280 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3282 2006-03-02 Eric Christopher <echristo@apple.com>
3284 * config/i386/i386.c (machopic_output_stub): Add indirection to
3287 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3291 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3293 Sun Niagara specific optimizations.
3294 * config.gcc: Recognize niagara as target.
3295 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3296 (TARGET_CPU_niagara): Define.
3297 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3298 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3299 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3300 (ASM_CPU_SPEC): Likewise.
3301 (PROCESSOR_NIAGARA): New enum entry.
3302 (REGISTER_MOVE_COST): Handle Niagara.
3303 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3304 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3305 (sparc_override_options): Recognize "niagara", set appropriate
3306 default MASK_* values for it, and align functions to 32-bytes
3307 by default just like ULTRASPARC/ULTRASPARC3.
3308 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3309 (sparc64_initialize_trampoline): Likewise.
3310 (sparc_use_sched_lookahead): Use zero for niagara.
3311 (sparc_issue_rate): Use one for niagara.
3312 * config/sparc/niagara.md: New file.
3313 * config/sparc/sparc.md: Include it.
3314 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3315 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3316 when default cpu is niagara.
3317 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3318 (ASM_CPU_SPEC): Likewise.
3319 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3320 when default cpu is niagara.
3321 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3322 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3323 just like v9/ultrasparc/ultrasparc3.
3324 * doc/invoke.texi: Add documentation for "niagara" and improve
3325 existing documentation for ultrasparc variants.
3327 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3329 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3331 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3333 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3334 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3335 and say that only one is needed.
3336 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3337 * target.h (have_switchable_bss_sections): New hook.
3338 * explow.c (use_anchored_address): Check that the symbol is in a block.
3339 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3340 (bss_noswitch_section): New variables.
3341 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3342 (get_noswitch_section): New function.
3343 (get_block_for_section): Allow SECT to be null.
3344 (unlikely_text_section_p): Use SECTION_STYLE.
3345 (bss_initializer_p): New function.
3346 (get_variable_section): Move earlier in file. Take a new argument,
3347 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3348 Return one of the new *_sections in such cases.
3349 (get_block_for_decl): New function, extracting some logic from
3350 use_blocks_for_decl_p.
3351 (change_symbol_section): Remove in favor of...
3352 (change_symbol_block): ...this new function.
3353 (use_blocks_for_decl_p): Remove checks now performed by
3355 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3356 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3357 (emit_local, emit_bss, emit_common): ...these new functions.
3358 Return true if the alignment was honored.
3359 (emit_tls_common): New function.
3360 (asm_emit_uninitialised): Delete.
3361 (assemble_variable_noswitch): New function, split out from...
3362 (assemble_variable): ...here. Don't make decisions about common
3363 variables here. Globalize all public decls that go into non-common
3364 sections. Check whether SYMBOL_REF_BLOCK is null.
3365 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3366 (output_constant_pool): Likewise.
3367 (init_varasm_once): Initialize the new section variables.
3368 (have_global_bss_p): New function.
3369 (categorize_decl_for_section): Use bss_initializer_p.
3370 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3371 (place_block_symbol): Assert that the symbol must be in a block.
3372 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3373 (TARGET_INITIALIZER): Include it.
3374 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3375 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3376 (SECTION_MACH_DEP): Bump by two.
3377 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3378 (unnamed_section): Mention SECTION_UNNAMED in comment.
3379 (named_section): Likewise SECTION_NAMED.
3380 (noswitch_section_callback): New type.
3381 (noswitch_section): New structure.
3382 (section): Add a noswitch_section alternative.
3383 (SECTION_STYLE): New macro.
3384 (tls_comm_section, comm_section, lcomm_section): Declare.
3385 (bss_noswitch_section, have_global_bss_p): Declare.
3386 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3387 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3389 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3390 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3393 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3395 * gcc/tree-vrp.c (execute_vrp): Return value.
3396 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3397 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3398 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3399 (tree_lower_complex_O0): Ditto.
3400 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3401 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3402 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3403 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3404 (execute_tail_calls): Ditto.
3405 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3406 * gcc/tree.h (init_function_for_compilation): Ditto.
3407 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3408 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3409 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3410 * gcc/final.c (compute_alignments): Ditto.
3411 (rest_of_handle_final): Ditto.
3412 (rest_of_handle_shorten_branches): Ditto.
3413 (rest_of_clean_state): Ditto.
3414 * gcc/omp-low.c (execute_expand_omp): Ditto.
3415 (execute_lower_omp): Ditto.
3416 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3417 * gcc/ipa-reference.c (static_execute): Ditto.
3418 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3419 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3420 (rest_of_handle_machine_reorg): Ditto.
3421 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3422 * gcc/flow.c (recompute_reg_usage): Ditto.
3423 (rest_of_handle_remove_death_notes): Ditto.
3424 (rest_of_handle_life): Ditto.
3425 (rest_of_handle_flow2): Ditto.
3426 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3427 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3428 (do_ssa_store_ccp): Ditto.
3429 (execute_fold_all_builtins): Ditto.
3430 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3431 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3432 * gcc/ipa-pure-const.c (static_execute): Ditto.
3433 * gcc/cse.c (rest_of_handle_cse): Ditto.
3434 (rest_of_handle_cse2): Ditto.
3435 * gcc/web.c (rest_of_handle_web): Ditto.
3436 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3437 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3438 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3439 * gcc/tree-nrv.c (tree_nrv): Ditto.
3440 (execute_return_slot_opt): Ditto.
3441 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3442 (create_structure_vars): Ditto.
3443 * gcc/loop-init.c (rtl_loop_init): Ditto.
3444 (rtl_loop_done): Ditto.
3445 (rtl_move_loop_invariants): Ditto.
3446 (rtl_unswitch): Ditto.
3447 (rtl_unroll_and_peel_loops): Ditto.
3448 (rtl_doloop): Ditto.
3449 * gcc/gimple-low.c (lower_function_body): Ditto.
3450 (mark_used_blocks): Ditto.
3451 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3452 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3453 (cgraph_early_inlining): Ditto.
3454 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3455 * gcc/jump.c (cleanup_barriers): Ditto.
3456 (purge_line_number_notes): Ditto.
3457 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3458 (rest_of_handle_if_after_reload): Ditto.
3459 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3460 (tree_ssa_loop_im): Ditto.
3461 (tree_ssa_loop_unswitch): Ditto.
3462 (tree_vectorize): Ditto.
3463 (tree_linear_transform): Ditto.
3464 (tree_ssa_loop_ivcanon): Ditto.
3465 (tree_ssa_empty_loop): Ditto.
3466 (tree_ssa_loop_bounds): Ditto.
3467 (tree_complete_unroll): Ditto.
3468 (tree_ssa_loop_prefetch): Ditto.
3469 (tree_ssa_loop_ivopts): Ditto.
3470 (tree_ssa_loop_done): Ditto.
3471 * gcc/predict.c (tree_estimate_probability): Ditto.
3472 * gcc/recog.c (split_all_insns_noflow): Ditto.
3473 (rest_of_handle_peephole2): Ditto.
3474 (rest_of_handle_split_all_insns): Ditto.
3475 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3476 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3477 (rest_of_handle_stack_adjustments): Ditto.
3478 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3479 * gcc/function.c (instantiate_virtual_regs): Ditto.
3480 (init_function_for_compilation): Ditto.
3481 (rest_of_handle_check_leaf_regs): Ditto.
3482 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3483 (rest_of_handle_gcse): Ditto.
3484 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3485 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3486 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3487 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3488 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3489 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3490 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3491 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3492 * gcc/except.c (set_nothrow_function_flags): Ditto.
3493 (convert_to_eh_region_ranges): Ditto.
3494 (rest_of_handle_eh): Ditto.
3495 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3496 (remove_unnecessary_notes): Ditto.
3497 * gcc/except.h (set_nothrow_function_flags): Ditto.
3498 (convert_to_eh_region_ranges): Ditto.
3499 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3500 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3501 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3502 (execute_fre): Ditto.
3503 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3504 (rest_of_handle_jump2): Ditto.
3505 * gcc/tree-sra.c (tree_sra): Ditto.
3506 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3507 (execute_mudflap_function_decls): Ditto.
3508 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3509 (do_store_copy_prop): Ditto.
3510 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3511 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3512 * gcc/tree-ssa-forwprop.c
3513 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3514 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3515 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3516 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3517 (execute_late_warn_uninitialized): Ditto.
3518 * gcc/rtl.h (cleanup_barriers): Ditto.
3519 (split_all_insns_noflow): Ditto.
3520 (purge_line_number_notes): Ditto.
3521 (unshare_all_rtl): Ditto.
3522 (remove_unnecessary_notes): Ditto.
3523 (recompute_reg_usage): Ditto.
3524 (variable_tracking_main): Ditto.
3525 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3526 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3527 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3528 (execute_free_cfg_annotations): Ditto.
3529 (execute_fixup_cfg): Ditto.
3530 (execute_cleanup_cfg_pre_ipa): Ditto.
3531 (execute_cleanup_cfg_post_optimizing): Ditto.
3532 (execute_init_datastructures): Ditto.
3533 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3534 * gcc/combine.c (rest_of_handle_combine): Ditto.
3535 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3536 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3537 (rest_of_handle_reorder_blocks): Ditto.
3538 (rest_of_handle_partition_blocks): Ditto.
3539 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3540 * gcc/tree-profile.c (tree_profiling): Ditto.
3541 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3542 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3543 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3544 (rest_of_handle_sched2): Ditto.
3545 * gcc/basic-block.h (free_bb_insn): Ditto.
3546 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3547 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3548 (remove_useless_stmts): Ditto.
3549 (split_critical_edges): Ditto.
3550 (execute_warn_function_return): Ditto.
3551 (execute_warn_function_noreturn): Ditto.
3552 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3553 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3554 * gcc/passes.c (execute_one_pass): Run additional
3555 todos returned by execute function.
3556 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3559 2006-03-02 Richard Guenther <rguenther@suse.de>
3561 * tree-ssa-alias.c (find_used_portions): Consider taking
3562 the address as making the variable not write-only.
3564 2006-03-02 Nick Clifton <nickc@redhat.com>
3566 * config.gcc (default_use_cxa_atexit): Extend the description of
3567 this configure variable. Set its default value to "yes" for
3568 Linux, NetBSD and ELF targets on the assumption that they will
3569 use C libraries with the __cxa_atexit function.
3571 2006-03-02 Ben Elliston <bje@au.ibm.com>
3573 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3574 parameter as unused to suppress a build warning.
3576 2006-03-02 Ben Elliston <bje@au.ibm.com>
3578 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3581 2006-03-01 Roger Sayle <roger@eyesopen.com>
3584 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3585 declared name, the weak reference name, and the typeof name.
3586 (__gthrw): Avoid expanding the declared name suffix.
3587 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3589 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3591 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3593 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3594 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3595 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3596 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3597 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3598 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3599 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3600 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3601 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3602 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3603 (DW_END_default, DW_END_big, DW_END_little): New.
3604 (DW_END_lo_user, DW_END_hi_user): Define.
3605 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3606 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3607 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3610 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3612 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3614 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3616 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3618 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3620 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3621 to 'symbol_mem_tag'.
3623 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3626 2006-03-01 Roger Sayle <roger@eyesopen.com>
3628 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3630 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3633 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3634 MACHO_DYNAMIC_NO_PIC_P.
3635 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3637 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3640 * config/darwin-protos.h (darwin_asm_output_anchor):
3642 * config/darwin-sections.def (cstring_section):
3643 Add SECTION_MERGE to the flags.
3644 (literal4_section): Likewise.
3645 (literal8_section): Likewise.
3646 (objc_selector_refs_section): Likewise.
3647 (objc_cls_refs_section): Likewise.
3648 * config/darwin.c (darwin_asm_output_anchor): New
3650 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3652 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3654 Fix PR tree-optimization/26443
3655 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3656 to todo and PROP_tmt_usage to properties_destroyed.
3657 * tree-ssa-ccp.c (pass_ccp): Ditto.
3658 (pass_store_ccp): Ditto.
3659 * tree-ssa-dom.c (pass_dominator): Ditto.
3661 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3663 * tree-ssa-operands.c: Cleanup whitespace.
3664 (get_asm_expr_operands): Move before first invocation.
3665 (get_indirect_ref_operands): Likewise.
3666 (get_tmr_operands): Likewise.
3667 (get_call_expr_operands): Likewise.
3668 (append_def): Likewise.
3669 (append_use): Likewise.
3670 (append_v_may_def): Likewise.
3671 (append_v_must_def): Likewise.
3672 (add_call_clobber_ops): Likewise.
3673 (add_call_read_ops): Likewise.
3674 (add_stmt_operand): Likewise.
3675 (add_virtual_operand): Likewise.
3676 (build_ssa_operands): Likewise.
3678 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3683 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3684 with a call expr to ...
3685 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3687 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3689 * tree-vrp.c (extract_range_from_assert): Remove special
3690 handling for types with super-types.
3692 2006-03-01 Ben Elliston <bje@au.ibm.com>
3694 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3695 and powerpc64-*-linux* configurations.
3696 * config/t-dfprules: New file.
3698 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3699 Compile dfp-bit.c from the source directory using -DWIDTH and
3700 $DFP_CFLAGS to control the compilation of that file, rather than
3701 generating width-specific versions in the build directory.
3702 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3703 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3705 2006-02-28 Zack Weinberg <zackw@panix.com>
3707 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3710 2006-02-28 Eric Christopher <echristo@apple.com>
3712 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3713 Set up IN_LIBGCC definition of TARGET_64BIT.
3714 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3716 2006-02-28 Roger Sayle <roger@eyesopen.com>
3719 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3720 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3721 cases via the construction of "expr != 0".
3723 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3725 * alias.c (alias_invariant, alias_invariant_size): Remove.
3726 (record_base_value): Remove.
3727 (memrefs_conflict_p): Don't look at alias_invariant.
3728 (end_alias_analysis): Don't free it.
3729 * alias.h (record_base_value): Remove prototype.
3731 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3732 Adam Nemet <anemet@caviumnetworks.com>
3734 * rtl.h (truncated_to_mode): Declare it.
3735 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3736 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3737 (RTL_HOOKS_INITIALIZER): Include it.
3738 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3739 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3740 reg_truncated_to_mode.
3741 * rtlanal.c (truncated_to_mode): Define it.
3742 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3744 2006-02-28 Jeff Law <law@redhat.com>
3746 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3747 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3748 the range allowed by TYPE_PRECISION.
3750 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3752 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3754 PR tree-optimization/26419
3755 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3758 2006-02-27 Zack Weinberg <zackw@panix.com>
3760 * doc/md.texi: Fix typo in previous change.
3762 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3766 2006-02-27 Zack Weinberg <zackw@panix.com>
3768 * rtl.def (define_constraint, define_register_constraint)
3769 (define_memory_constraint, define_address_constraint): New MD forms.
3770 * gensupport.c (process_rtx): Put define_constraint etc on the
3772 * genpreds.c (process_define_predicate): Adjust comment. Validate
3773 the name, and call validate_exp to validate the expression.
3774 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3775 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3776 all callers changed.
3777 (validate_exp, needs_variable, struct constraint_data)
3778 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3779 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3780 (const_dbl_constraints, constraint_max_namelen)
3781 (have_register_constraints, have_memory_constraints)
3782 (have_address_constraints, have_address_constraints)
3783 (have_extra_constraints, have_const_int_constraints)
3784 (have_const_dbl_constraints, mangle, add_constraint)
3785 (process_define_constraint, process_define_register_constraint)
3786 (write_enum_constraint_num, write_lookup_constraint)
3787 (write_insn_constraint_len, write_regclass_for_constraint)
3788 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3789 (write_insn_extra_memory_constraint)
3790 (write_insn_extra_address_constraint)
3791 (write_satisfies_constraint_fns): New.
3792 (write_tm_preds_h): If we have new-style constraint definitions,
3793 prototype the functions generated from them, and define the
3794 old constraint interface (still used by generic code) in terms of
3796 (write_insn_preds_c): If we have new-style constraint definitions,
3797 generate all relevant functions from those definitions.
3798 (main): Handle define_constraint etc.
3799 * genoutput.c (struct constraint_data, indep_constraints)
3800 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3801 (mdep_constraint_len): New data structures and functions, defined
3802 #ifdef USE_MD_CONSTRAINTS.
3803 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3804 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3805 use new logic to validate operand constraints against constraint
3807 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3809 * defaults.h: If none of the old-style constraint macros are
3810 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3811 old-style macros; and poison REG_CLASS_FROM_LETTER,
3812 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3814 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3815 * doc/md.texi: Document new constraint-definition mechanism and the
3816 C interface it provides. Remove references to old mechanism
3817 elsewhere in the document.
3818 (Machine Constraints): Use pathnames relative to gcc directory,
3819 i.e. config/ARCH/FILE. Change i386 section to refer to
3820 config/i386/predicates.md; update that section to match docstrings.
3821 * doc/tm.texi: Move all documentation of the old constraint-
3822 definition macros to their own section, clearly mark as obsolete.
3824 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3825 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3827 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3828 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3829 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3831 (splits and peepholes): Use satisfies_constraint_*.
3832 * config/i386/i386.c (memory_address_length)
3833 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3835 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3837 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3838 scalar operation to be put back into the loop.
3840 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3843 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3844 (extract_cie_info): Handle S flag in augmentation string.
3845 (execute_cfa_program): If context->signal_frame, execute also
3846 fs->pc == context->ra instructions.
3847 (uw_frame_state_for): If context->signal_frame, don't subtract one
3848 from context->ra to find FDE.
3849 (uw_update_context_1): Set context->signal_frame to
3851 (_Unwind_GetIPInfo): New function.
3852 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3853 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3855 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3856 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3857 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3858 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3859 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3860 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3861 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3862 x86_64_fallback_frame_state): Set fs->signal_frame.
3863 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3864 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3865 (frob_update_context): Likewise. Workaround missing S flag in
3866 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3867 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3868 Remove the psw_addr + 1 hack.
3870 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3872 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3873 with aggregates here.
3874 (find_func_aliases): Remove code for &<aggregate> from here.
3876 2006-02-26 Roger Sayle <roger@eyesopen.com>
3878 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3879 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3880 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3883 2006-02-26 Roger Sayle <roger@eyesopen.com>
3886 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3888 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3890 * opts.c (decode_options): Do not handle flag_strength_reduce.
3891 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3892 and OPT_fstrength_reduce.
3893 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3894 flag_prefetch_loop_arrays for being nonzero.
3895 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3897 (fprefetch-loop-arrays-rtl): Removed.
3898 (flag_prefetch_loop_arrays): Do not specify the value.
3900 * doc/passes.texi: Update documentation of loop optimizer
3902 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3903 -frerun-loop-opt): Remove.
3905 2006-02-26 Richard Guenther <rguenther@suse.de>
3907 PR tree-optimization/26421
3908 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3909 in function calls that are ADDR_EXPRs as using the whole structure.
3911 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3913 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3914 * tree-pass.h (pass_loop_optimize): Remove.
3915 * passes.c (pass_loop_optimize): Never run it.
3916 * toplev.c (backend_init): Don't call init_loop.
3917 * opts.c (flag_loop_optimize_set): Remove.
3918 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3919 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3920 the old RTL loop optimizer when profiling enabled.
3921 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3922 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3923 pre-headers for the sake of the old RTL loop optimizer.
3924 * Makefile.in: Remove all references to loop.o.
3926 * doc/invoke.texi: Remove all references to -floop-optimize
3927 and -frerun-loop-opt.
3929 2006-02-26 Zack Weinberg <zackw@panix.com>
3931 * doc/md.texi (Machine Constraints): Refer to all files with paths
3932 relative to gcc directory (i.e. config/CPU/file). Add missing
3933 @table @code ... @end table to M32C subsection.
3935 2006-02-26 Roger Sayle <roger@eyesopen.com>
3937 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3939 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3941 2006-02-26 Roger Sayle <roger@eyesopen.com>
3942 James A. Morrison <phython@gcc.gnu.org>
3945 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3946 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3947 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3948 signedness of the shift operation.
3950 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3952 PR tree-optimization/26359
3953 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3955 2006-02-25 Roger Sayle <roger@eyesopen.com>
3957 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3958 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3959 as X == 0, and some symmetry related transformations.
3960 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3962 2006-02-25 Roger Sayle <roger@eyesopen.com>
3965 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3966 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3967 symmetry related transformations. Fold (X^C1) == C2 as
3970 2006-02-25 Juergen Weigert <jw@suse.de>
3971 Richard Guenther <rguenther@suse.de>
3973 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3975 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3977 * combine.c (gen_lowpart_or_truncate): Call
3978 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3980 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3982 * doc/invoke.texi: Move -fopenmp description to "Options for
3984 Remove reference to -lgomp.
3986 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3988 * doc/install.texi: Require GNU tar version 1.14.
3990 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3992 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3993 * doc/invoke.texi (C++ Dialect Options): Document
3994 -fno-use-cxa-get-exception-ptr.
3995 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3996 * configure: Regenerate.
3997 * c.opt (fuse-cxa-get-exception-ptr): New.
3998 * c-opts.c (c_common_handle_option): Handle
3999 OPT_fuse_cxa_get_exception_ptr.
4000 * c-common.c (flag_use_cxa_atexit): Update documentation.
4001 (flag_use_cxa_get_exception_ptr): New.
4002 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4003 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4005 (C_COMMON_OVERRIDE_OPTIONS): New.
4007 2006-02-24 Roger Sayle <roger@eyesopen.com>
4010 * combine.c (try_combine): Explicitly check whether GET_CODE is
4011 a SET or a CLOBBER, instead on checking that it isn't a USE.
4013 2006-02-24 Roger Sayle <roger@eyesopen.com>
4015 * fold-const.c (fold_comparison): New subroutine of fold_binary
4016 containing transformations common to both the equality and
4017 ordering relational operators, factored out of fold_binary.
4018 (fold_binary): Separate out the equality operators (EQ_EXPR
4019 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4020 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4021 transformations common to both.
4022 (fold_div_compare): Fix latent bugs in the previously unreachable
4023 LT_EXPR and GE_EXPR cases.
4025 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4027 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4028 decl libname for clog to __clog on AIX.
4030 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4032 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4035 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4036 output traceback table for thunks. Localise rs6000_stack_info call.
4038 2006-02-23 Roger Sayle <roger@eyesopen.com>
4039 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4041 * gthr-posix.h (__gthrw): Fix typo in comment.
4043 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4045 * doc/cpp.texi (Character sets): Document that we do support
4046 input files to be in any character set.
4048 2006-02-23 Jeff Law <law@redhat.com>
4050 * tree.h (PHI_ARG_NONZERO): Remove.
4051 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4052 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4053 node to the new node.
4055 PR tree-optimization/26425
4056 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4057 min/max, then assume its varying.
4059 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4061 PR rtl-optimization/26316
4062 * rtlanal.c (enum may_trap_p_flags): New.
4063 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4064 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4065 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4066 (may_trap_after_code_motion_p): New function.
4067 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4068 (find_invariant_insn): Use may_trap_after_code_motion_p.
4069 * rtl.h (may_trap_after_code_motion_p): Declare.
4071 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4073 * emit-rtl.c (immed_double_const): Cleanup.
4075 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4077 Fix PR tree-optimization/26376
4078 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4081 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4084 * gimplify.c (omp_add_variable): Guard variable size decl test with
4085 DECL_SIZE (decl) check.
4087 2006-02-23 Richard Guenther <rguenther@suse.de>
4090 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4091 like aggregate types.
4093 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4095 * configure.ac: Add --with{,out}-long-double-128 configure option.
4096 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4097 * configure: Rebuilt.
4098 * config.in: Rebuilt.
4099 * doc/install.texi (Options specification): Document
4100 --with-long-double-128.
4102 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4103 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4104 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4105 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4107 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4109 * config/s390/s390.c (override_options): Handle
4110 TARGET_DEFAULT_LONG_DOUBLE_128.
4112 * config/alpha/alpha.c (override_options): Handle
4113 TARGET_DEFAULT_LONG_DOUBLE_128.
4115 * config/sparc/sparc.c (sparc_override_options): Handle
4116 TARGET_DEFAULT_LONG_DOUBLE_128.
4118 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4120 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4121 (real-install-headers-tar, real-install-headers-cpio)
4122 (real-install-headers-cp): New targets.
4124 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4126 * tree.h (variable_section): Delete.
4127 * varasm.c (variable_section): Delete.
4129 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4131 * install.texi: Add notes on install.texi2html.
4132 (Building in parallel): Do not use footnotes.
4134 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4137 * doc/install.texi (Configuration): Document --disable-libgomp.
4139 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4141 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4143 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4145 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4146 (vec_extractv2df_0_sse): New.
4148 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4150 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4151 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4152 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4153 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4154 to the result of the expression.
4155 (def_cfa_1): Adjust.
4156 (frame_pointer_cfa_offset): Rename to...
4157 (frame_pointer_fb_offset): ... this. Adjust all uses.
4158 (convert_cfa_to_loc_list): Rename to...
4159 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4160 Pass it on to build_cfa_loc.
4161 (compute_frame_pointer_to_cfa_displacement): Rename to...
4162 (compute_frame_pointer_to_fb_displacement): ... this. New
4163 offset parameter. Use it in computation.
4164 (gen_subprogram_die): Compute cfa_fb_offset with the new
4165 macro, and use it to compute the fb loc list and the
4168 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4170 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4171 replaced with register_operand.
4172 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4173 non-DREG is expensive.
4174 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4175 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4178 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4180 * doc/install.texi2html: Use set -e.
4182 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4184 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4185 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4186 * doc/invoke.texi (-fshared-data): Delete.
4187 * common.opt (fshared-data): Delete.
4188 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4189 (assemble_static_space): Remove #if 0 code.
4190 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4191 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4192 * config/cris/cris.h: Remove FIXME.
4194 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4196 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4199 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4202 * combine.c (simplify_shift_const_1): Disable nested shifts
4203 optimization for vector shifts.
4205 2006-02-20 Roger Sayle <roger@eyesopen.com>
4207 PR tree-optimization/26361
4208 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4209 of unsigned integer types.
4211 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4213 * tree-chrec.c (eq_evolutions_p): New.
4214 * tree-chrec.h (eq_evolutions_p): Declared.
4215 * tree-data-ref.c: Fix formatting.
4216 (datadep_stats, dependence_stats): New.
4218 (print_direction_vector): New.
4219 (dump_data_dependence_relation): Use print_direction_vector.
4220 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4221 (compute_subscript_distance): Static.
4222 (initialize_data_dependence_relation): Static. Get the number
4223 of loops surrounding the references from the callers, and initialize
4224 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4225 base_object_differ_p analyzers.
4226 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4227 compute_overlap_steps_for_affine_1_2,
4228 analyze_subscript_affine_affine): Count the classified dependences.
4229 Print a message when a test failed.
4230 (can_use_analyze_subscript_affine_affine): New.
4231 (analyze_siv_subscript): Compute the data dependences on symbolic
4232 scevs that verify can_use_analyze_subscript_affine_affine.
4233 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4234 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4235 Handle symbolic scevs.
4236 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4238 (subscript_dependence_tester): Moved...
4239 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4240 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4241 DDR_SIZE_VECT instead of getting it in parameter.
4242 (subscript_dependence_tester): ... here. Take as a parameter
4243 loop_nest_depth. Call build_classic_dist_vector and
4244 build_classic_dir_vector.
4245 (compute_affine_dependence): Update subscript_dependence_tester
4246 parameters. Update datadep_stats counters. Call
4247 compute_subscript_distance.
4248 (compute_self_dependence): Save the dist and dir vectors. Call
4249 compute_subscript_distance.
4250 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4251 (compute_all_dependences): Reorder parameters as they were before
4252 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4253 compute_subscript_distance. Update the use of
4254 compute_affine_dependence and initialize_data_dependence_relation.
4255 (find_data_references_in_loop): Handle COMPONENT_REF.
4256 (compute_data_dependences_for_loop): Initialize dependence_stats.
4257 Don't call build_classic_dist_vector and build_classic_dir_vector.
4258 Update the parameters of initialize_data_dependence_relation and
4259 compute_all_dependences. Print the statistics from datadep_stats.
4260 (analyze_all_data_dependences): Static. Not used until the pass for
4261 checking the data dependences is contributed.
4262 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4263 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4264 (initialize_data_dependence_relation, compute_affine_dependence,
4265 analyze_all_data_dependences, compute_subscript_distance): Removed.
4266 (print_direction_vector): New.
4267 * lambda.h (gcd): ... here.
4268 (lambda_vector_gcd): Moved here from gcd_vector.
4269 * lambda-code.c (gcd, gcd_vector): Removed.
4270 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4271 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4273 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4275 * ipa-type-escape.c: Tidy some comments and white space.
4276 * tree-ssa-operands.c: Likewise.
4278 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4281 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4282 (dump_decl_name): Do not walk the decl tree chains.
4283 * tree-pass.h (TDF_CHAIN): Remove.
4285 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4287 * Makefile.in (C): Remove
4289 (.PHONY): Remove C and PROTO
4291 2006-02-20 Roger Sayle <roger@eyesopen.com>
4294 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4295 deprecated CHAR_TYPE tree code.
4297 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4299 * configure.ac (target_list): Add install-info, dvi, html.
4300 * configure: Regenerate.
4302 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4303 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4304 treelang/Make-lang.in: Do not use double-colon rules.
4306 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4308 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4309 (TMT_USED_ALONE): New macro.
4310 * tree-pass.h (PROP_tmt_usage): New property.
4311 (TODO_update_tmt_usage): New todo.
4312 * tree-ssa-alias.c (updating_used_alone): New variable.
4313 (recalculate_used_alone): New function.
4314 (compute_may_aliases): Set updating_used_alone, call
4315 recalculate_used_alone.
4316 * tree-sra.c (pass_sra): Note that this pass destroys
4317 PROP_tmt_usage, and add TODO_update_tmt_usage.
4318 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4319 * tree-flow.h (updating_used_alone): Prototype.
4320 (recalculate_used_alone): Ditto.
4321 * passes.c (execute_todo): Add code to set updating_used_alone,
4322 and call recalculate.
4323 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4324 for clobber if used alone, and add assert to verify used_alone
4327 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4329 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4330 for non tls symbols added.
4331 (legitimize_address): Do nothing for PLUS expressions if one of the
4332 addends is a tls symbol reference.
4334 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4338 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4340 * Makefile.in (BOOTSTRAPPING): New.
4341 (quickstrap): New definition if BOOTSTRAPPING=yes.
4343 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4344 * configure.ac: Substitute all_selected_languages with the languages
4345 that were configured. For all the other variables except
4346 lang_specs_files, include all the languages in the tree.
4347 * configure: Regenerate.
4349 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4350 if there is one. Run the commands to run fixincludes in the same
4353 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4354 * doc/install.texi: Document exact conventions for searching target tools.
4355 Document --with-build-time-tools. Document toplevel bootstrap. Document
4356 something more about building an Ada cross-compiler. Don't list GNU Make
4357 requirements which affect all platforms.
4359 2006-02-19 Roger Sayle <roger@eyesopen.com>
4362 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4363 only equivalent if the have both the same mode and precision.
4365 2006-02-20 Ben Elliston <bje@au.ibm.com>
4367 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4369 2006-02-19 Roger Sayle <roger@eyesopen.com>
4370 Steven Bosscher <stevenb.gcc@gmail.com>
4372 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4373 constant pool references to identify stack mode constants.
4374 * rtlanal.c (constant_pool_constant_p): New predicate to check
4375 whether operand is a floating point constant in the pool.
4376 * rtl.h (constant_pool_constant_p): Prototype here.
4377 * loop.c (scan_loop): Avoid hoisting constants from the constant
4378 pool on STACK_REGS targets.
4379 (load_mems): Likewise.
4380 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4381 loads into x87 registers expensive in terms of register pressure.
4383 2006-02-19 Roger Sayle <roger@eyesopen.com>
4385 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4386 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4388 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4390 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4391 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4393 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4395 * doc/invoke.texi: Document -fipa-pta.
4396 * common.opt: Add ipa-pta option.
4397 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4398 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4399 (do_ds_constraint): Ditto.
4400 (get_constraint_for): Only add to referenced_vars if
4401 referenced_vars exists.
4402 (insert_into_field_list): Rewrite to do this unsorted.
4403 (insert_into_field_list_sorted): Rename old insert_into_field_list
4405 (create_function_info_for): Use insert_into_field_list_sorted.
4406 (create_variable_info_for): Rewrite so it uses unsorted version,
4407 since the field list is sorted.
4408 (intra_create_variable_infos): Only add to referenced_vars if
4409 referenced_vars exists.
4410 (ipa_pta_execute): Init heapvars, and delete when done.
4411 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4413 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4415 * doc/install.texi: Add missing `@samp'.
4417 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4419 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4422 2006-02-18 Mark Wielaard <mark@klomp.org>
4424 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4425 who added new 4.1 features, bug fixes and integration support.
4427 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4430 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4433 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4435 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4436 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4437 (copy_insn_1): Likewise. Don't copy each field individually.
4439 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4441 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4442 * rtl.c (rtx_size): Rename variable to...
4443 (rtx_code_size): ...this.
4444 (rtx_size): New function.
4445 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4446 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4448 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4449 * rtl.h (rtx_code_size): New variable.
4450 (rtx_size): Change from a variable to a function.
4451 (RTX_SIZE): Rename to...
4452 (RTX_CODE_SIZE): ...this.
4455 PR tree-optimization/17106
4456 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4457 (Anchored Addresses): New section.
4458 * doc/invoke.texi (-fsection-anchors): Document.
4459 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4460 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4461 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4462 * hooks.c (hook_bool_mode_rtx_false): New function.
4463 * hooks.h (hook_bool_mode_rtx_false): Declare.
4464 * gengtype.c (create_optional_field): New function.
4465 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4466 SYMBOL_REF_IN_BLOCK_P is true.
4467 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4468 (min_anchor_offset, max_anchor_offset): Likewise.
4469 (use_anchors_for_symbol_p): New hook.
4470 * toplev.c (compile_file): Call output_object_blocks.
4471 (target_supports_section_anchors_p): New function.
4472 (process_options): Check that -fsection-anchors is only used on
4473 targets that support it and when -funit-at-a-time is in effect.
4474 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4475 if the decl doesn't have one.
4476 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4477 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4478 of force_const_mem through use_anchored_address.
4479 (expand_expr_constant): New function.
4480 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4481 calling expand_expr for INDIRECT_REF.
4482 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4483 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4484 * expr.h (use_anchored_address): Declare.
4485 * loop-unroll.c: Don't declare rtx vectors here.
4486 * explow.c: Include output.h.
4487 (validize_mem): Call use_anchored_address.
4488 (use_anchored_address): New function.
4489 * common.opt (-fsection-anchors): New switch.
4490 * varasm.c (object_block_htab, anchor_labelno): New variables.
4491 (hash_section, object_block_entry_eq, object_block_entry_hash)
4492 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4493 (use_blocks_for_decl_p, change_symbol_section): New functions.
4494 (get_variable_section): New function, split out from assemble_variable.
4495 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4496 use_blocks_for_decl_p say so. Use change_symbol_section if the
4497 symbol has already been created.
4498 (assemble_variable_contents): New function, split out from...
4499 (assemble_variable): ...here. Don't output any code for
4500 block symbols; just pass them to place_block_symbol.
4501 Use get_variable_section and assemble_variable_contents.
4502 (get_constant_alignment, get_constant_section, get_constant_size): New
4503 functions, split from output_constant_def_contents.
4504 (build_constant_desc): Create a block symbol if use_object_blocks_p
4505 says so. Or into SYMBOL_REF_FLAGS.
4506 (assemble_constant_contents): New function, split from...
4507 (output_constant_def_contents): ...here. Don't output any code
4508 for block symbols; just pass them to place_section_symbol.
4509 Use get_constant_section and get_constant_alignment.
4510 (force_const_mem): Create a block symbol if use_object_blocks_p and
4511 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4512 (output_constant_pool_1): Add an explicit alignment argument.
4513 Don't switch sections here.
4514 (output_constant_pool): Adjust call to output_constant_pool_1.
4515 Switch sections here instead. Don't output anything for block symbols;
4516 just pass them to place_block_symbol.
4517 (init_varasm_once): Initialize object_block_htab.
4518 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4519 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4520 (place_block_symbol, get_section_anchor, output_object_block)
4521 (output_object_block_htab, output_object_blocks): New functions.
4522 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4523 (TARGET_ASM_OUT): Include it.
4524 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4525 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4526 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4527 (TARGET_INITIALIZER): Include them.
4528 * rtl.c (rtl_check_failed_block_symbol): New function.
4529 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4530 (block_symbol, object_block): New structures.
4531 (rtx_def): Add a block_symbol field to the union.
4532 (BLOCK_SYMBOL_CHECK): New macro.
4533 (rtl_check_failed_block_symbol): Declare.
4534 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4535 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4536 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4537 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4538 * output.h (output_section_symbols): Declare.
4539 (object_block): Name structure.
4540 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4541 (default_use_anchors_for_symbol_p): Declare.
4542 * Makefile.in (RTL_BASE_H): Add vec.h.
4543 (explow.o): Depend on output.h.
4544 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4545 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4546 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4547 (rs6000_use_blocks_for_constant_p): New function.
4549 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4551 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4553 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4556 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4559 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4561 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4565 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4568 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4569 instead of DECL_REGISTER.
4571 2006-02-18 Olivier Hainque <hainque@adacore.com>
4574 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4576 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4579 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4580 * opth-gen.awk: Handle Var and InverseMask together.
4581 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4582 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4583 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4584 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4586 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4587 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4588 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4589 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4590 LINUX_DYNAMIC_LINKER): Define.
4591 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4592 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4594 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4595 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4596 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4597 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4598 (TARGET_C99_FUNCTIONS): Don't define.
4599 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4600 GLIBC_DYNAMIC_LINKER.
4601 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4602 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4603 GLIBC_DYNAMIC_LINKER64): Define.
4604 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4605 LINUX_DYNAMIC_LINKER64.
4606 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4607 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4608 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4610 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4611 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4612 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4613 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4614 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4615 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4616 and LINUX_DYNAMIC_LINKER32.
4617 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4618 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4619 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4620 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4621 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4623 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4624 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4625 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4626 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4627 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4628 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4629 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4630 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4631 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4632 LINUX_DYNAMIC_LINKER): Define.
4633 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4634 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4635 GLIBC_DYNAMIC_LINKER64): Define.
4636 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4637 LINUX_DYNAMIC_LINKER64.
4638 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4639 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4640 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4641 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4642 LINUX_DYNAMIC_LINKER): Define.
4643 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4644 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4645 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4646 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4647 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4648 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4649 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4650 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4651 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4652 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4653 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4654 * doc/invoke.texi (-muclibc): Remove caveat about supported
4657 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4659 * doc/cpp.texi (__TIMESTAMP__): Document.
4661 2006-02-17 Roger Sayle <roger@eyesopen.com>
4664 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4665 C is one less than the width of X (and related transformations).
4666 * simplify-rtx.c (simplify_unary_operation_1): Transform
4667 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4668 depending on STORE_FLAG_VALUE, were C is one less then the
4671 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4673 Fix PR tree-optimization/26341
4674 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4675 about NAME_MEMORY_TAG's.
4677 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4680 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4681 with hardware float support, and software float support. Add fcpy
4682 alternative to hardware patterns. Add alternatives to copy between
4683 general and floating-point registers to the 32-bit pattern.
4684 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4685 secondary reload to load a QI or HI mode constant into a floating
4687 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4688 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4690 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4693 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4695 (load_macho_picbase_di): Likewise.
4697 2006-02-16 Jeff Law <law@redhat.com>
4699 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4700 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4701 (ssa_name_nonzero_p): Likewise.
4702 (get_value_range): Return NULL if VRP is not running.
4703 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4704 VRP routines do not discover a range.
4705 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4706 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4707 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4708 (tree_expr_nonnegative_p): Similarly.
4709 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4710 (restore_nonzero_vars_to_original_value): Remove.
4711 (unsafe_associative_fp_binop): Remove.
4712 (tree_ssa_dominator_optimize): Remove initialization and
4713 finalization of nonzero_vars and nonzero_vars_stack.
4714 (dom_opt_initialize_block): No longer push marker on
4716 (dom_opt_finalize_block): No longer call
4717 restore_nonzero_vars_to_original_value.
4718 (record_equivalences_from_phis): No longer look for
4719 nonzero PHI arguments.
4720 (cprop_into_successor_phis): No longer propagate nonzero
4721 property into PHI arguments. Lose unused argument. Caller
4723 (record_equivalences_from_stmt): No longer record nonzero
4724 values for SSA_NAMEs.
4725 (lookup_avail_expr): No longer use nonzero_vars.
4727 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4728 for sizetype when sizetype is unsigned.
4730 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4732 PR rtl-optimization/25603
4733 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4734 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4735 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4736 with new meaning of SETS.
4738 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4743 * config/linux.opt: New file.
4744 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4745 LINUX_DYNAMIC_LINKER): Define.
4746 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4747 * config.gcc (*-*-linux*): Define extra_options.
4748 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4749 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4750 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4751 GLIBC_DYNAMIC_LINKER.
4752 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4753 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4754 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4755 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4756 * doc/invoke.texi (GNU/Linux Options): New section.
4758 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4760 * config/sparc/sparc.md (setjmp): Rewrite.
4761 (setjmp_32): Delete.
4762 (setjmp_64): Likewise.
4764 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4766 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4769 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4771 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4774 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4776 PR rtl-optimization/26296
4777 * Makefile.in (loop-invariant.c): Add except.h dependency.
4778 * loop-invariant.c: Include except.h.
4779 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4781 2005-02-16 Paul Brook <paul@codesourcery.com>
4783 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4786 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4788 PR rtl-optimization/25636
4789 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4790 when deciding whether an insn is an initializing insn.
4792 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4794 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4795 (tree_code_size): Ditto.
4796 * tree.h (struct tree_memory_tag): Remove parent_var.
4797 (struct tree_struct_field_tag): New.
4800 (union tree_node): Add sft member.
4801 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4803 (create_sft): Add size and offset argument, set SFT_OFFSET and
4805 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4806 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4807 * tree-flow-inline.h (get_subvar_at): Update for
4808 SFT_OFFSET/SFT_SIZE.
4809 (var_can_have_subvars): Ditto.
4810 (overlap_subvar): Ditto.
4811 * print-tree.c (print_node): Print out interesting things for
4813 * tree-flow.h (struct subvar): Remove offset and size members.
4814 * tree-ssa-operands.c (get_expr_operands): Update for
4815 get_indirect_ref_operands changes.
4816 (get_indirect_ref_operands): Call add_virtual_operand instead of
4817 add_stmt_operand. Only recurse on base var if requested.
4818 (access_can_touch_variable): New function.
4819 (add_stmt_operand): Split virtual operand handling into ...
4820 (add_virtual_operand): Here. Add offset, size, and for_clobber
4821 arguments. Prune alias sets.
4822 (add_call_clobber_ops): Call add_virtual_operand.
4824 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4827 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4829 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4830 than TREE_CODE as index into omp_clause_num_ops array.
4832 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4834 PR rtl-optimization/26184
4835 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4837 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4838 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4839 must_precede, must_follow and tobe_scheduled.
4842 * opts.c (common_handle_option): Free new_option pointer.
4843 * df-core.c (df_analyze): Free postorder pointer.
4845 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4847 * Makefile.in: Fix the examples about the use of stamps
4849 2006-02-15 Michael Matz <matz@suse.de>
4853 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4854 influenced by maximum_field_alignment or DECL_PACKED.
4855 (update_alignment_for_field): Ditto.
4856 (place_field): Ditto.
4857 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4860 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4862 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4863 (debug_flow_info): Pass it.
4864 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4865 * bb-reorder.c (reorder_basic_blocks): Likewise.
4866 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4867 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4868 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4869 * gcse.c (gcse_main, bypass_jumps): Likewise.
4870 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4871 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4872 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4873 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4874 * rtl.h (dump_flow_info): Adjust prototype.
4875 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4876 * var-tracking.c (variable_tracking_main): Likewise.
4877 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4878 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4881 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4883 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4886 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4888 PR tree-optimization/26209
4889 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4890 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4892 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4894 2006-02-14 Roger Sayle <roger@eyesopen.com>
4897 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4898 (X,Y) and the corresponding symmetry related transformations.
4899 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4900 (X,Y) and its symmetry related transformations.
4902 2006-02-14 Roger Sayle <roger@eyesopen.com>
4904 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4907 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4909 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4911 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4914 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4915 support COMDAT group.
4916 * configure: Regenerate.
4918 2006-02-14 Roger Sayle <roger@eyesopen.com>
4923 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4925 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4927 Fix PR tree-optimization/26260
4929 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4931 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4932 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4933 * tree-ssa-structalias.c (create_variable_info_for): Use
4934 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4936 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4938 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4940 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4941 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4942 of the ending condition.
4943 * tree-ssa-loop-manip.c: Include params.h.
4944 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4945 tree_unroll_loop): New functions.
4946 * tree-pass.h (pass_loop_prefetch): Declare.
4947 * loop.c (rest_of_handle_loop_optimize): Test for
4948 -fprefetch-loop-arrays-rtl.
4949 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4950 * timevar.def (TV_TREE_PREFETCH): New timevar.
4951 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4952 pass_loop_prefetch): New.
4953 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4954 (cleanup_tree_cfg_loop): Call scev_reset.
4955 * common.opt (fprefetch-loop-arrays-rtl): Add.
4956 * tree-ssa-loop-prefetch.c: New file.
4957 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4958 (new_temp_expr_table): Initialize expr_vars.
4959 (free_temp_expr_table): Cleanup expr_vars.
4960 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4961 expressions from being merged into one.
4962 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4963 (struct tree_niter_desc): Add control, bound and cmp fields.
4964 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4966 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4967 (tree-cfgcleanup.o): Add SCEV_H dependency.
4968 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4969 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4971 2006-02-14 Richard Guenther <rguenther@suse.de>
4973 PR tree-optimization/26258
4974 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4975 in PHI argument processing.
4977 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4979 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4980 new expression in the requested machine mode.
4982 2006-02-13 Roger Sayle <roger@eyesopen.com>
4984 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4985 directly, instead let do_compare_rtx_and_jump handle this for us.
4986 * expr.c (expand_expr_real_1): Likewise.
4987 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4988 before do_jump_by_parts_greater.
4989 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4990 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4992 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4994 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4996 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4998 PR rtl-optimization/26235
4999 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5000 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5003 2006-02-13 Jeff Law <law@redhat.com>
5005 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5008 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5011 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5012 twice if decl is a builtin. When trying again, call get_callee_fndecl
5013 first to verify it is still a builtin.
5015 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5017 * dwarf2out.c (base_type_die): Don't add AT_name here.
5018 (subrange_type_die): Don't add AT_name here.
5019 (modified_type_die): Rearrange code flow. Do add AT_name here.
5021 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5023 PR rtl-optimization/26247
5024 PR rtl-optimization/26248
5025 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5027 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5029 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5030 * config/fixtfdi.c: Likewise.
5031 * config/fixunstfdi.c: Likewise.
5032 * config/floatditf.c: Likewise.
5034 2006-02-13 Roger Sayle <roger@eyesopen.com>
5037 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5038 into (X,C2) if C1 is a subset of the bits of C2. Transform
5039 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5041 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5043 2006-02-13 Josh Conner <jconner@apple.com>
5046 * varasm.c (function_section): Check for section name before
5047 calling select_section on targets that define
5048 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5049 unlikely_text_section instead of hot_function_section if
5050 first_function_block_is_cold.
5052 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5055 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5057 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5059 PR rtl-optimization/26222
5060 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5061 after tree->rtl expansion.
5062 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5063 before passing it to emit_move_insn.
5065 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5067 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5069 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5070 Clarify documentation.
5071 * c-common.h (warn_write_strings): Remove.
5072 * c-common.c (warn_write_strings): Likewise.
5073 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5076 2006-02-12 Roger Sayle <roger@eyesopen.com>
5079 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5080 (do_jump_parts_zero_rtx): New function renamed from
5081 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5082 (do_jump_parts_equality_rtx): New function split out from
5083 do_jump_parts_equality. Old implementation renamed as above.
5084 Call do_jump_parts_zero_rtx if either operand is zero.
5085 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5086 do all of the heavy lifting.
5087 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5088 calling either do_jump_by_parts_greater_rtx or
5089 do_jump_by_parts_equality_rtx.
5090 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5091 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5092 moved to do_compare_rtx_and_jump, call it directly.
5093 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5094 mode argument. Call do_compare_rtx_and_jump.
5095 (emit_case_nodes): Update calls to do_jump_if_equal.
5097 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5099 PR rtl-optimization/26225
5100 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5102 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5104 PR rtl-optimization/26232
5105 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5107 2006-02-11 Jason Merrill <jason@redhat.com>
5110 * tree-inline.c (declare_return_variable): Just don't use the
5111 modify target if it's a gimple complex reg and the return slot
5114 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5116 * doc/contrib.texi: Update my entry.
5118 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5120 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5122 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5124 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5127 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5129 * doc/invoke.texi (-floop-optimize2): Removed.
5130 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5131 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5132 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5133 * common.opt (floop-optimize2): Removed.
5134 (fmove-loop-invariants): Enabled by default.
5136 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5138 * tree-if-conv.c (combine_blocks): Free the result of
5139 get_loop_exit_edges.
5141 2006-02-10 Jeff Law <law@redhat.com>
5143 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5145 PR tree-optimization/26213
5146 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5147 loop trying to follow SSA_NAME_VALUE chains.
5149 2006-02-10 Richard Guenther <rguenther@suse.de>
5151 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5152 deal with structures that end in implicitly variable sized arrays.
5154 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5156 PR rtl-optimization/24762
5157 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5160 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5162 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5163 (struct ivopts_data): Add regs_used field.
5164 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5165 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5166 instead of loop_data->regs_used;
5167 (free_loop_data): Do not free aux fields for loops.
5168 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5169 and tree_ssa_iv_optimize_finalize.
5171 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5173 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5175 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5178 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5179 computing the effective result type.
5181 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5184 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5185 (tree_overlaps_hard_reg_set): Declare.
5186 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5187 type and signature to match function type expected by walk_tree.
5188 (tree_overlaps_hard_reg_set): New function.
5189 (decl_conflicts_with_clobbers_p): Rename to:
5190 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5191 Use tree_overlaps_hard_reg_set. Changed caller.
5192 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5193 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5194 * cris.c (cris_md_asm_clobbers): Likewise.
5196 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5198 * reload1.c (emit_input_reload_insns): Delete code that tries to
5199 inherit using find_equiv_reg.
5201 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5203 * c-common.h (flag_const_strings): Don't declare.
5204 * c-common.c (flag_const_strings): Remove.
5205 * c.opt (fconst_strings): Remove.
5206 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5207 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5208 (c_common_init_options): Don't set flag_const_strings.
5209 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5211 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5213 * arm.md (tlobits_cbranch): New pattern.
5214 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5215 testing a single bit.
5217 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5220 * tree-ssa-pre.c (create_component_ref_by_pieces):
5221 Handle RETURN_DECL like VAR_DECL.
5223 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5226 * fold-const.c (fold_indirect_ref_1): Fold
5227 "*(foo *)&complexfoo" to "__real__ complexfoo"
5228 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5230 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5232 * tree-flow-inline.h (var_can_have_subvars):
5233 Volatile variables should not have subvariables.
5235 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5238 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5239 multiplying unsigned values.
5242 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5244 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5246 2006-02-08 Jason Merrill <jason@redhat.com>
5249 * tree.def: Elaborate on difference from MODIFY_EXPR.
5250 * doc/c-tree.texi (INIT_EXPR): Likewise.
5251 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5252 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5253 (gimplify_target_expr): Likewise.
5254 (gimplify_cond_expr): Remove target handling.
5255 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5256 (gimplify_expr): Clobber it here.
5257 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5258 Do return slot optimization if we have an INIT_EXPR.
5261 * tree-inline.c (declare_return_variable): Also clear
5262 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5265 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5268 * gimplify.c (gimplify_one_sizepos): Fix typo.
5270 2006-02-08 Jeff Law <law@redhat.com>
5272 PR tree-optimization/21417
5273 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5274 across a backedge if the control statement at the end of the
5275 block is data dependent on other statements in the same block.
5276 (record_temporary_equivalences_from_stmts): Remove over-conservative
5277 test for threading across backedges.
5279 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5280 control statement, handle all three special cases in the same
5281 manner as they all have the same desired solution. No longer
5282 special case edge flag updating when the post dominator is
5285 2006-02-08 Roger Sayle <roger@eyesopen.com>
5287 * tree.def (CHAR_TYPE): Remove.
5288 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5289 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5290 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5291 (gen_string_type_die): Delete unreachable function.
5293 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5294 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5295 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5296 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5297 * builtins.c (type_to_class): Likewise.
5298 * fold-const.c (fold_convert, build_range_check,
5299 merge_ranges): Likewise.
5300 * expr.c (count_type_elements): Likewise.
5301 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5302 * stor-layout.c (layout_type): Likewise.
5303 * ipa-type-escape.c (type_to_consider): Likewise.
5304 * gimplify.c (omp_firstprivatize_type_sizes,
5305 gimplify_type_sizes): Likewise.
5306 * explow.c (promote_mode): Likewise.
5307 * tree-sra.c (is_sra_scalar_type): Likewise.
5308 * varasm.c (output_constant): Likewise.
5309 * tree-inline.c (remap_type_1): Likewise.
5310 * convert.c (convert_to_pointer, convert_to_real,
5311 convert_to_integer, convert_to_complex): Likewise.
5313 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5315 * df-scan.c (df_def_record_1): A set destination may
5316 be a parallel regardless of mode.
5318 2006-02-08 Roger Sayle <roger@eyesopen.com>
5321 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5322 * config/mips/_tilib.c: Remove.
5323 * config/fixtfdi.c: New libgcc source file.
5324 * config/fixunstfdi.c: New source file.
5325 * config/floatditf.c: New source file.
5326 * config/floatunditf.c: New souce file.
5327 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5328 files above instead of config/mips/_tilib.c.
5329 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5331 2006-02-08 Jeff Law <law@redhat.com>
5333 PR tree-optimization/26169
5334 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5337 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5339 * df.h (DF_REG_SIZE): Return the length of the initialized
5342 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5344 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5345 __muldf3): Return a correctly signed zero.
5347 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5349 * passes.c (register_one_dump_file): Accept the current properties
5350 instead of pass number. Adjust call to dump_register. Remove
5352 (register_dump_files): Now a wrapper around...
5353 (register_dump_files_1): ... this one. Do not modify the pass
5355 (next_pass_1): Cosmetic fix.
5356 (execute_todo): Keep second parameter only. Use curr_properties
5357 instead of fetching it from the pass structure. Check and set
5359 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5360 instead of fetching it from the pass structure. Fix calls to
5361 execute_todo. Update curr_properties and initialize .vcg RTL dump
5362 after running the pass. Reset last_verified.
5363 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5365 (FIRST_AUTO_NUMBERED_DUMP): New.
5366 (dump_register): Remove "num" parameter, assign it within the
5368 (get_dump_file_name): Modify template for dumps.
5369 * tree-dump.h (dump_register): Adjust prototype.
5370 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5371 (PROP_trees): Add PROP_gimple_lomp.
5372 (TODO_set_props): New.
5373 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5374 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5375 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5377 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5379 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5380 (sparc64-*-linux*): Likewise.
5381 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5382 * config/sparc/t-linux: New file.
5383 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5384 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5385 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5386 -m32 -mlong-double-128.
5388 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5389 * config/alpha/t-linux: New file.
5390 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5392 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5393 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5394 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5395 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5396 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5397 (CPP_ARCH32_SPEC): Remove.
5399 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5401 PR tree-optimization/26145
5402 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5405 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5408 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5409 >= 240000 when generating code for SOM runtime.
5410 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5411 to $$dyncall when generating code for SOM runtime..
5413 2006-02-07 Dirk Mueller <dmueller@suse.com>
5416 * doc/invoke.texi (-Wsequence-point): Update documentation
5417 that -Wsequence-point is implemented for C++ as well.
5419 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5421 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5422 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5423 (LIB_SPEC): Likewise.
5424 * doc/invoke.texi (SPARC options): Document -pthread.
5426 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5428 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5431 2006-02-07 Roger Sayle <roger@eyesopen.com>
5433 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5434 Correct comment describing BOOLEAN_TYPE.
5436 2006-02-07 Dirk Mueller <dmueller@suse.com>
5438 * c.opt: C++ frontend supports -Wdiv-by-zero.
5439 * c-opts.c (c_common_handle_option): Remove dead case.
5441 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5443 * configure.ac (TLS assembler check): Do not enable TLS by
5444 default on SPARC/Solaris before version 10.
5445 * configure: Regenerate.
5447 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5449 * doc/invoke.texi (xl-compat): Document conversion and support
5452 2006-02-07 Jeff Law <law@redhat.com>
5454 * tree-vrp.c (find_conditional_asserts): Update comments.
5455 (simplify_stmt_for_jump_threading): New.
5456 (identify_jump_threads, finalize_jump_threads): New.
5457 (vrp_finalize): Call identify_jump_threads.
5458 (execute_vrp): Call finalize_jump_threads.
5459 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5460 (vrp_element, vrp_data, vrp_element_p): Remove.
5461 (vrp_hash_elt, vrp_variables_stack): Remove.
5462 (vrp_hash, vrp_eq, record_range): Remove.
5463 (simplify_cond_and_lookup_avail_expr): Remove.
5464 (extract_range_from_cond): Remove.
5465 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5466 (simplify_stmt_for_jump_threading): New.
5467 (dom_thread_across_edge): New wrapper.
5468 (tree_ssa_dominator_optimize): No longer initialize or
5469 finalize any of the VRP datastructures. Remove iteration
5470 step and simplify as a result of removal of iteration step.
5471 (pass_dominator): Perform a cfg cleanup after DOM.
5472 (dom_opt_finalize_block): Use the new common routines
5473 for threading jumps. Simplify stack management slightly.
5474 No longer need to unwind VRP state.
5475 (record_equivalences_from_incoming_edge): No longer record
5477 (eliminate_redundant_computations): No longer call
5478 simplify_cond_and_lookup_avail_expr.
5479 * tree-flow.h (potentially_threadable_block): Prototype.
5480 (thread_across_edge): Likewise.
5481 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5482 (tree-ssa-threadedge.o): Add dependencies.
5483 * tree-ssa-threadedge.c: New file.
5484 * passes.c (init_optimization_passes): Merge PHIs before
5485 calling VRP. Run VRP again late in the SSA optimization pipeline.
5487 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5489 * df-core.c (df_set_blocks): Do not dereference function pointers.
5490 (df_finish1): Likewise.
5491 (df_hybrid_search_forward): Likewise.
5492 (df_hybrid_search_backward): Likewise.
5493 (df_iterative_dataflow): Likewise.
5494 (df_analyze_problem): Likewise.
5495 (df_compact_blocks): Likewise.
5496 (df_dump): Likewise.
5497 * df-scan.c (df_rescan_blocks): Likewise.
5498 (df_record_entry_block_defs): Likewise.
5500 * genconditions.c (write_conditions): Guard the definition of
5501 'insn_conditions' with the check on GCC version.
5502 (write_writer): Guard the traversal 'insn_conditions' with
5503 the check on GCC version.
5505 2006-02-07 Richard Guenther <rguenther@suse.de>
5509 2006-01-30 Richard Guenther <rguenther@suse.de>
5511 * gimplify.c (gimplify_target_expr): Handle easy cases
5512 without creating a temporary.
5514 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5516 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5517 use of float in probability computations. Use edge probabilities
5518 in place of statically computed probabilities.
5519 (min_spec_prob): New static variable.
5520 (schedule_insns): Initialize it.
5521 (GET_SRC_PROB): Removed.
5522 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5524 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5527 * config/ia64/unwind-ia64.c: Revert last change.
5528 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5529 (INCOMING_FRAME_SP_OFFSET): Define.
5531 2006-02-06 Roger Sayle <roger@eyesopen.com>
5533 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5535 2006-02-07 Ben Elliston <bje@au.ibm.com>
5537 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5538 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5539 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5540 (ix86_return_in_memory): Handle TDmode.
5541 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5542 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5544 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5546 * reorg.c (dbr_schedule): Use dump_file instead of file.
5548 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5551 * config/ia64/predicates.md (extr_len_operand): New predicate.
5552 * config/ia64/ia64.md (extv): Tighten constraints.
5554 (*tbit_and_2): Ditto.
5555 (*tbit_and_3): Ditto.
5556 (*tbit_or_2): Ditto.
5557 (*tbit_or_3): Ditto.
5561 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5564 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5566 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5568 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5569 loop_optimizer_init and loop_optimizer_finalize
5570 * tree-ssa-sink.c (execute_sink_code): Ditto.
5571 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5572 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5573 tree_ssa_loop_done): Ditto.
5574 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5575 * sched-ebb.c: Include output.h.
5576 (schedule_ebbs): Do not use dump argument.
5577 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5578 * loop.c (loop_dump_stream): Removed.
5579 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5581 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5582 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5583 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5584 loop_iterations, strength_reduce, record_biv, record_giv,
5585 final_giv_value, check_final_value, check_ext_dependent_givs,
5586 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5587 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5588 dump_file instead of loop_dump_stream.
5589 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5591 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5593 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5594 * haifa-sched.c: Include output.h
5595 (schedule_insns, sched_init): Do not use dump argument.
5596 * mode-switching.c (optimize_mode_switching): Ditto.
5597 * modulo-sched.c (stats_file): Removed.
5598 (print_node_sched_params): Do not call argument dump_file.
5599 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5600 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5602 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5604 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5605 rtl_loop_init, rtl_loop_done): Ditto.
5606 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5607 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5609 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5610 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5611 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5612 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5613 * emit-rtl.c (renumber_insns): Ditto.
5614 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5615 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5616 * regclass.c (regclass): Ditto.
5617 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5618 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5619 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5620 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5622 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5623 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5625 * gcse.c (gcse_file, debug_stderr): Removed.
5626 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5627 rest_of_handle_gcse): Do not use dump argument.
5628 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5629 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5630 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5631 compute_code_hoist_vbeinout, compute_code_hoist_data,
5632 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5633 compute_store_table, build_store_vectors, insert_insn_start_bb,
5634 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5635 store_motion): Use dump_file instead of gcse_file.
5636 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5637 * profile.c (profile_dump_file): Removed.
5638 (branch_prob): Use dump_file instead of profile_dump_file.
5639 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5641 * tree-ssa-copy.c (dump_copy_of): Ditto.
5642 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5643 dump file to life_analysis.
5644 * bt-load.c (branch_target_load_optimize): Ditto.
5645 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5647 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5648 regclass, dbr_schedule): Declaration changed.
5649 * sched-int.h (sched_init): Declaration changed.
5650 * tree-profile.c (tree_profile_dump_file): Removed.
5651 (tree_profile_hooks): Removed profile_dump_file hook.
5652 * rtl-profile (rtl_profile_dump_file): Removed.
5653 (rtl_profile_hooks): emoved profile_dump_file hook.
5654 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5656 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5657 * tree-cfg.c (build_tree_cfg): Ditto.
5658 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5659 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5660 Declaration changed.
5661 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5662 life_analysis and schedule_insns.
5663 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5665 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5667 * config/mips/mips.c (mips_reorg): Ditto.
5668 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5671 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5673 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5674 (s390_mangle_fundamental_type): New.
5675 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5678 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5679 (alpha_mangle_fundamental_type): New.
5680 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5683 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5685 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5687 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5688 (sparc_mangle_fundamental_type): New.
5690 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5692 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5693 (s390x-*-linux*): Likewise.
5694 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5695 * config/s390/t-linux: New file.
5697 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5699 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5700 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5702 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5704 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5705 (ANTIC_SAFE_LOADS): New macro.
5706 (find_or_generate_expression): Add prototype.
5707 (set_contains_value): Allow null set for sake of not always having
5708 to allocate ANTIC_SAFE_LOADS.
5709 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5710 Allow COMPONENT_REF too.
5711 (valid_in_set): Allow COMPONENT_REF.
5712 Check ANTIC_SAFE_LOADS too.
5713 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5714 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5716 (can_PRE_operation): Add COMPONENT_REF.
5717 (create_component_ref_by_pieces): New function.
5718 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5719 (insert_aux): Move AGGREGATE_TYPE_P check here.
5720 (compute_avail): Set bb local stmt uids.
5721 (pass_pre): Use TODO_update_ssa_only_virtuals.
5723 2006-02-06 Ben Elliston <bje@au.ibm.com>
5725 * configure.ac: Unconditionally disable decimal float by default.
5726 * configure: Regenerate.
5728 2006-02-06 Ben Elliston <bje@au.ibm.com>
5730 * read-rtl.c (read_name): Terminate reading on EOF.
5732 2006-02-06 Ben Elliston <bje@au.ibm.com>
5734 * dfp.c (decimal_real_arithmetic): Change second argument type
5735 from int to enum tree_code. Do not always return true, but now
5736 return result of any call to decimal_do helper functions.
5737 * dfp.h (decimal_real_arithmetic): Update prototype.
5739 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5741 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5743 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5746 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5749 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5751 * tree-vrp.c (cfg_loops): Removed.
5752 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5753 Use current_loops instead of cfg_loops. Pass flags to
5754 loop_optimizer_init.
5755 * cfgloopmanip.c (fix_loop_structure): Update only available
5757 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5758 loop_optimizer_init.
5759 * modulo-sched.c (build_loops_structure): Removed.
5760 (sms_schedule): Use loop_optimizer_init.
5761 * loop-init.c (loop_optimizer_init): Use flags to determine
5762 which properties of loops to prepare.
5763 (rtl_loop_init): Pass flags to loop_optimizer_init.
5764 * tree-ssa-sink.c (execute_sink_code): Ditto.
5765 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5766 * tree-ssa-pre.c (init_pre): Ditto.
5767 * cfgloop.h (LOOPS_NORMAL): New.
5768 (loop_optimizer_init): Declaration changed.
5770 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5772 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5773 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5775 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5777 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5779 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5780 * pa/t-pa64: Delete quadlib.c rule.
5781 * pa/x-ada: Revert last change.
5782 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5784 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5786 PR rtl-optimization/26087
5787 * rtlanal.c (canonicalize_condition): Do not cross basic block
5790 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5793 * config/ia64/ia64.c: Include debug.h.
5794 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5795 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5796 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5797 (process_epilogue, process_set, process_for_unwind_directive):
5798 Output unwind info only if requested. Add CFA info if requested.
5799 Add new arguments as needed. Adjust callers.
5800 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5802 (DWARF2_FRAME_INFO): Define to zero.
5803 * config/ia64/unwind-ia64.c: Remove code that compensated for
5804 the CFA offset error fixed above.
5805 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5806 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5807 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5808 -funwind-tables and -fexceptions to enable frame info.
5809 (dwarf2out_frame_init): Define initial CFA even if
5810 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5811 DWARF2_UNWIND_INFO is nonzero, not just defined.
5812 (dwarf2out_frame_finish): Output non-EH call frame info only
5813 if DWARF2_FRAME_INFO is nonzero.
5814 (convert_cfa_to_loc_list,
5815 compute_frame_pointer_to_cfa_displacement): Define even if
5816 unwind info is not supported.
5817 (gen_subprogram_die): Use the above unconditionally. Remove
5818 legacy alternate code.
5819 * toplev.c (compile_file): Compile in call to
5820 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5821 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5823 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5824 Jakub Jelinek <jakub@redhat.com>
5826 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5827 IBM extended float format long double as "g" on powerpc*-linux.
5829 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5832 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5833 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5835 2006-02-03 Jason Merrill <jason@redhat.com>
5838 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5841 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5842 on the return slot if it's an NRV.
5844 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5846 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5847 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5848 rewrite_use): Do not handle USE_OUTER.
5849 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5850 add_iv_outer_candidates, may_replace_final_value,
5851 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5852 (find_interesting_uses_op): Functionality of
5853 find_interesting_uses_outer_or_nonlin moved here.
5854 (find_interesting_uses_outside): Use find_interesting_uses_op.
5856 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5859 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5861 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5862 Ulrich Weigand <uweigand@de.ibm.com>
5865 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5866 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5867 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5868 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5870 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5871 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5872 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5873 Define secondary reloads for TFmode moves.
5874 (constant_modes): Add TFmode.
5875 (NR_C_MODES): Set to 8.
5876 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5878 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5879 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5880 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5881 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5882 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5883 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5884 (FPR mode macro): Add TFmode.
5885 (DSF mode macro): New.
5886 (<de>, <dee> mode attributes): Removed.
5887 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5888 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5889 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5890 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5891 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5892 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5893 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5894 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5895 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5896 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5897 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5898 "*negabs<mode>2", "sqrt<mode>2"):
5899 Changed <de> to <xde>. R constraint replaced by <Rf>.
5900 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5902 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5903 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5904 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5906 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5907 "extenddftf2", "extendsftf2"): New expanders.
5908 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5909 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5910 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5911 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5913 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5914 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5915 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5916 __floatditf): Add a GCC_4.1.0 symbol version tag.
5917 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5920 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5923 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5924 Use targetm.binds_local_p instead of TREE_PUBLIC.
5926 2006-02-02 Roger Sayle <roger@eyesopen.com>
5928 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5929 on INTEGER_TYPEs to indicate that it denotes a character type.
5930 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5931 signed_char_type_node, unsigned_char_type_node and char_type_node.
5932 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5933 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5934 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5936 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5937 Daniel Berlin <dberlin@dberlin.org>
5939 * tree-tailcall.c (arg_needs_copy_p): New function.
5940 (eliminate_tail_call): Use arg_needs_copy_p.
5941 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5942 (add_virtual_phis): New function.
5944 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5946 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5947 #ignore instead of #scratch for %g7 .register directive.
5949 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5951 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5954 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5956 * flow.c (calculate_global_regs_live): Assert that there aren't any
5959 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5961 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5963 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5964 bsi_after_labels iterator.
5965 * tree-if-conv.c (find_phi_replacement_condition,
5966 replace_phi_with_cond_modify_expr): Likewise.
5967 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5968 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5970 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5972 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5974 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5977 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5978 array after growing it.
5980 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5983 * fold-const.c (fold_checksum_tree): Change type of buf.
5985 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5987 * reload.c (push_secondary_reload): Initialize t_icode.
5989 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5991 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5992 -msoft-float -mlong-double-128 only issue a warning, but don't
5993 swich to DFmode long double.
5995 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5997 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5998 has a constant equivalent, iterate over equivalents for arg0,
5999 calling simplify_relational_operation and if there's a result
6000 cheaper than X, apply fold_rtx and return the result.
6002 2006-02-01 Jan Hubicka <jh@suse.cz>
6004 * opts.c (no_unit_at_a_time_default): New global variable.
6005 (decode_options): Use it.
6006 * opts.h (no_unit_at_a_time_default): Declare.
6008 2006-02-01 Paul Brook <paul@codesourcery.com>
6010 * function.c (assign_parm_setup_reg): Use function argument promotion
6012 * expr.c (expand_expr_real_1): Use function argument promotion rules
6015 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6017 * gcc.c (process_command): Change j to 'unsigned int'.
6019 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6022 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6023 Use the corrected index for the character
6024 out of the string constant.
6026 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6028 * mode-switching.c (optimize_mode_switching): Fix size
6029 allocated for bb_info[n_entities].
6031 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6033 * gcc.c (main): Correct type that is allocated for
6034 explicit_link_files.
6036 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6038 * config/s390/s390.c (init_alignment_context): Set
6039 ALIAS_SET_MEMORY_BARRIER on the MEM.
6040 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6042 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6045 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6047 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6050 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6052 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6053 * regrename.c: Ditto.
6054 * tree-ssa-loop-im.c: Ditto.
6055 * tree-dump.c: Ditto.
6056 * tree-complex.c: Ditto.
6057 * genrecog.c: Ditto.
6058 * tree-ssa-threadupdate.c: Ditto.
6060 * java/class.c: Ditto.
6061 * java/jcf-parse.c: Ditto.
6062 * java/resource.c: Ditto.
6063 * java/except.c: Ditto.
6064 * java/jvspec.c: Ditto.
6065 * java/jcf-write.c: Ditto.
6066 * java/jcf-path.c: Ditto.
6067 * java/gjavah.c: Ditto.
6068 * java/zextract.c: Ditto.
6069 * java/jcf-io.c: Ditto.
6070 * java/jcf.h: Ditto.
6071 * java/buffer.c: Ditto.
6072 * java/lang.c: Ditto.
6073 * java/parse-scan.y: Ditto.
6074 * java/lex.c: Ditto.
6075 * java/lex.h: Ditto.
6076 * cfgloopmanip.c: Ditto.
6077 * postreload-gcse.c: Ditto.
6078 * tree-ssa-loop-manip.c: Ditto.
6079 * postreload.c: Ditto.
6080 * tree-ssa-loop-ch.c: Ditto.
6084 * diagnostic.c: Ditto.
6086 * genoutput.c: Ditto.
6088 * cfghooks.c: Ditto.
6089 * cfgloopanal.c: Ditto.
6090 * objc/objc-act.c: Ditto.
6092 * genextract.c: Ditto.
6093 * genautomata.c: Ditto.
6094 * pretty-print.c: Ditto.
6096 * cgraphunit.c: Ditto.
6099 * haifa-sched.c: Ditto.
6100 * dominance.c: Ditto.
6102 * tree-ssa-loop-ivopts.c: Ditto.
6104 * mode-switching.c: Ditto.
6105 * modulo-sched.c: Ditto.
6107 * ipa-pure-const.c: Ditto.
6109 * fix-header.c: Ditto.
6111 * tree-stdarg.c: Ditto.
6112 * ipa-utils.c: Ditto.
6113 * loop-init.c: Ditto.
6114 * ipa-inline.c: Ditto.
6117 * alloc-pool.c: Ditto.
6118 * dwarf2out.c: Ditto.
6120 * genattrtab.c: Ditto.
6121 * tree-ssa-loop-ivcanon.c: Ditto.
6125 * fortran/gfortranspec.c: Ditto.
6127 * local-alloc.c: Ditto.
6128 * langhooks.c: Ditto.
6129 * function.c: Ditto.
6130 * tree-vectorizer.c: Ditto.
6132 * ipa-type-escape.c: Ditto.
6134 * tree-if-conv.c: Ditto.
6137 * tree-data-ref.c: Ditto.
6138 * loop-unroll.c: Ditto.
6139 * treelang/treetree.c: Ditto.
6142 * ggc-common.c: Ditto.
6144 * coverage.c: Ditto.
6146 * tree-cfgcleanup.c: Ditto.
6147 * tree-ssa-pre.c: Ditto.
6148 * cfgcleanup.c: Ditto.
6149 * loop-invariant.c: Ditto.
6151 * ipa-prop.c: Ditto.
6152 * print-tree.c: Ditto.
6153 * conflict.c: Ditto.
6154 * ggc-page.c: Ditto.
6155 * sched-deps.c: Ditto.
6156 * regclass.c: Ditto.
6157 * tree-object-size.c: Ditto.
6159 * bb-reorder.c: Ditto.
6160 * resource.c: Ditto.
6161 * var-tracking.c: Ditto.
6163 * df-problems.c: Ditto.
6164 * reg-stack.c: Ditto.
6167 * sched-rgn.c: Ditto.
6168 * tree-ssa-structalias.c: Ditto.
6169 * tree-ssa-reassoc.c: Ditto.
6170 * config/darwin-c.c: Ditto.
6171 * config/darwin.c: Ditto.
6172 * config/arm/arm.c: Ditto.
6174 * collect2.c: Ditto.
6177 2006-01-31 Nicolas Pitre <nico@cam.org>
6179 * arm.md (smaxsi3): Make aware of smax_m1.
6182 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6184 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6186 2006-01-31 Richard Guenther <rguenther@suse.de>
6188 * doc/invoke.texi (-msselibm): Document.
6189 * target.h (expand_library_builtin): New target hook.
6190 * builtins.c (expand_builtin): Use expand_library_builtin.
6191 (default_expand_library_builtin): New function.
6192 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6193 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6194 (link_gcc_math_spec): Declare.
6195 (static_specs): Add link_gcc_math_spec.
6196 * expr.h (default_expand_library_builtin): Declare.
6197 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6198 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6199 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6200 * config/i386/i386.opt (msselibm): New target option.
6201 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6202 (ix86_init_sse_abi_builtins): New function.
6203 (ix86_expand_library_builtin): Likewise.
6204 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6205 (override_options): Handle error conditions wrt -msselibm.
6206 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6207 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6208 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6211 2006-01-31 Richard Guenther <rguenther@suse.de>
6212 Paolo Bonzini <bonzini@gnu.org>
6214 * doc/install.texi (--disable-libgcc-math): Document.
6216 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6218 * expr.h (expand_normal): new inline function.
6219 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6221 * dwarf2out.c: use it.
6226 * config/sparc/sparc.c: use it.
6227 * config/i386/i386.c: use it.
6228 * config/rs6000/rs6000.c: use it.
6229 * config/arm/arm.c: use it.
6230 * config/mips/mips.c: use it.
6231 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6233 2006-01-30 Roger Sayle <roger@eyesopen.com>
6235 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6236 argv to the appropriate type.
6238 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6240 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6243 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6246 * config/s390/s390.c (struct machine_function): New flag
6247 decomposed_literal_pool_addresses_ok_p.
6248 (s390_reorg): Set it before final stage of literal pool transforms.
6249 (s390_decompose_address): Only accept displacements of the form
6250 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6252 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6254 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6255 the comparison routine return.
6257 2006-01-30 Michael Matz <matz@suse.de>
6259 * global.c (find_reg): Only evict for global regs.
6260 Take n_refs into account and dump more info.
6262 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6265 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6266 (pragma_trap, pragma_nosave_low_regs): Likewise.
6267 (current_function_anonymous_args): Likewise.
6268 (sh_deferred_function_attributes): New variable.
6269 (sh_deferred_function_attributes_tail): Likewise.
6270 (print_operand): For '@', look up trap_exit attribute.
6271 (calc_live_regs): Look up trapa_handler attribute. For trapa
6272 handlers, save/restore fpscr, but don't do any other
6273 interrupt-specific saves.
6274 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6275 Fix check for partially saved registers to check for SHmedia.
6276 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6277 (sh_output_function_epilogue): Don't clear any of the removed
6279 (sh_insert_attributes): Don't check pragma_interrupt.
6280 Insert deferred attributes. Check that interrupt attribute is
6281 present for other attributes that require its presence.
6282 (sh_attribute_table): Add new attributes trapa_handler and
6284 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6285 Don't check for pragma_interrupt. Don't store argument.
6286 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6287 (sh_deferred_function_attributes): Declare.
6288 (sh_deferred_function_attributes_tail): Likewise.
6289 * sh.md (sp_switch_1): Add operand. Change generator caller.
6290 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6291 (*return_i): Don't use when trap_exit attribute is in effect.
6292 (*return_trapa): New insn pattern.
6294 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6295 setting c_target_objs and cxx_target_objs.
6296 * t-sh: Add rule for sh-c.o.
6298 2006-01-30 Richard Guenther <rguenther@suse.de>
6301 * gimplify.c (gimplify_target_expr): Handle easy cases
6302 without creating a temporary.
6304 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6306 * vec.h (safe_grow): Remove duplicated line.
6308 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6311 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6312 (expand_omp): ... here.
6313 (expand_omp_parallel): Only remove barriers for combined
6314 parallel+workshare constructs.
6316 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6320 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6321 * tree.c (build_qualified_type): Chain the new type to the original
6322 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6323 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6324 (build_pointer_type_for_mode): Only return unqualified types.
6325 (build_reference_type_for_mode): Likewise.
6327 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6329 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6330 * Makefile.in (CXX_COMPAT_WARN): Define.
6331 * configure: Regenerate.
6333 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6336 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6339 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6341 * toplev.c: Fix thinko.
6343 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6344 Marcin Dalecki <martin@dalecki.de>
6346 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6347 (push_srcloc): Use XNEW.
6348 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6350 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6352 * df-core.c (df_set_blocks): Deleted all variable.
6354 2006-01-28 Ian Lance Taylor <ian@airs.com>
6356 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6357 cgraph_output_pending_asms.
6359 2006-01-28 Zack Weinberg <zackw@panix.com>
6361 * c.opt: Add -W(no-)overlength-strings.
6362 * doc/invoke.texi: Document it.
6363 * c-opts.c (c_common_handle_option): -pedantic implies
6364 -Woverlength-strings, if not explicitly disabled already.
6365 (c_common_post_options): -Woverlength-strings defaults to off, and
6366 is always off for C++.
6367 * c-common.c (fix_string_type): Issue warning about strings longer
6368 than is portable only if warn_overlength_strings. Rearrange code
6369 a little for clarity.
6370 * configure.in: Check for -Wno-overlength-strings as well before
6371 enabling -pedantic in stage 1.
6372 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6373 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6375 * genconditions.c (write_header, write_one_condition)
6376 (write_conditions, write_writer): Consolidate very long strings
6377 that were broken up to fit in C89 portable limit. Don't use
6378 printf when fputs will do.
6380 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6382 * combine.c (simplify_comparison <AND>): Check
6383 TRULY_NOOP_TRUNCATION before start using a subreg.
6385 * config/mips/mips.md (*branch_zero<mode>,
6386 *branch_zero<mode>_inverted, *branch_equality<mode>,
6387 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6388 Remove mode check from comparisons.
6390 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6392 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6394 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6396 * expmed.c (const_mult_add_overflow_p): Remove.
6397 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6399 * recog.c (validate_replace_rtx_subexp): Remove.
6400 * recog.h: Remove the prototype for
6401 validate_replace_rtx_subexp.
6403 * integrate.h: Remove the prototype for
6404 copy_decl_for_inlining.
6405 * rtl.h: Remove the prototype for mark_constant_function.
6406 * tree-vectorizer.h: Remove the prototype for
6407 vect_strip_conversion.
6409 * modulo-sched.c (create_partial_schedule,
6410 free_partial_schedule, reset_partial_schedule): Make them
6413 * hooks.c (hook_bool_rtx_int_false): Remove.
6414 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6416 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6418 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6419 and -mlong-double-128 are incompatible.
6420 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6421 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6422 (TARGET_LIBGCC2_CFLAGS): Define.
6423 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6424 (TARGET_LIBGCC2_CFLAGS): Same.
6425 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6427 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6430 * c-typeck.c (build_binary_op): Perform implicit casts of
6431 operands before shortening them.
6433 * cfgloopmanip.c (split_loop_bb): Remove.
6434 * cfgloop.h: Remove the prototype for split_loop_bb.
6436 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6437 * cfgloop.h: Remove the prototype for
6438 flow_loop_outside_edge_p.
6440 * emit-rtl.c (init_virtual_regs): Make it static.
6441 * function.h: Remove the prototype for init_virtual_regs.
6443 * recog.c (peephole2_optimize): Make it static.
6444 * recog.h: Remove the prototype for peephole2_optimize.
6446 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6448 * df-scan.c (df_record_entry_block_defs): Check if
6449 INCOMING_RETURN_ADDR_RTX is defined.
6451 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6452 Kenneth Zadeck <zadeck@naturalbridge.com>
6454 PR rtl-optimization/24762
6455 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6456 * targhooks.c (hook_void_bitmap): New hook prototype.
6457 * targhoohs.h (hook_void_bitmap): Ditto.
6458 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6459 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6460 * target.h (live_on_entry): New function pointer.
6461 * df-scan.c (df_all_hard_regs): Removed.
6462 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6463 (df_scan_free_internal): Added df->entry_block_defs.
6464 (df_scan_alloc): Ditto.
6465 (df_scan_dump): Ditto.
6466 (df_uses_record): Plumbed flag field properly thru calls.
6467 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6468 This part fixes PR24762.
6469 (df_bb_refs_record): Added code to make the frame and arg
6470 pointers live in EH blocks.
6471 (df_refs_record): Added call to df_record_entry_block_defs.
6472 (df_record_entry_block_defs): New function.
6473 * df-core.c: Added comments to describe new artifical defs.
6474 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6475 (entry_block_defs): New field in struct df.
6476 (df_all_hard_regs): Deleted.
6477 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6478 * df-problems.c (df_ru_bb_local_compute_process_def):
6479 Added code to handle artifical defs in the entry to a function.
6480 (df_ru_bb_local_compute): Ditto.
6481 (df_rd_bb_local_compute_process_def): Ditto.
6482 (df_rd_bb_local_compute): Ditto.
6483 (df_lr_bb_local_compute): Ditto.
6484 (df_ur_bb_local_compute): Ditto.
6485 (df_urec_bb_local_compute): Ditto.
6486 (df_chain_create_bb): Ditto.
6487 (df_ur_local_finalize): Removed entry.
6488 (df_urec_init): Ditto.
6489 (df_urec_local_finalize): Ditto.
6490 (df_ri_bb_compute): Added detection of last use of pseudos.
6491 * Makefile.in (df-scan.o): Updated dependencies.
6492 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6493 * config/mips/mips.c (mips_set_live_on_entry): Added.
6494 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6496 * dce.c (marked_insn_p): Added code to handle artifical defs.
6498 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6500 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6502 (_mm_cvtsi128_si64): Likewise.
6503 (_mm_cvtsd_si64): Likewise.
6504 (_mm_cvttsd_si64): Likewise.
6505 (_mm_cvtsi64_sd): Likewise.
6506 (_mm_cvtsi64_si128): Likewise.
6507 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6508 (_mm_cvtsi64_m64): Likewise.
6509 (_m_to_int64): Likewise.
6510 (_mm_cvtm64_si64): Likewise.
6511 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6512 (_mm_cvttss_si64): Likewise.
6513 (_mm_cvtsi64_ss): Likewise.
6514 (_mm_cvtss_f32): Likewise.
6516 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6518 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6519 for pragma redefine_extname.
6521 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6524 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6525 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6526 -mno-minimal-toc to previous content.
6527 (bispecs): Remove goal.
6528 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6529 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6530 compatibility aliases on powerpc-*-*gnu*.
6531 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6532 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6533 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6534 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6535 (ldblspecs): New goal.
6536 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6537 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6539 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6540 L_sf_to_tf or L_df_to_tf is defined.
6542 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6543 Alan Modra <amodra@bigpond.net.au>
6546 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6547 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6548 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6549 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6550 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6551 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6552 (rs6000_override_options): Initialize rs6000_ieeequad.
6553 Initialize TFmode format to ibm_extended_format if not
6555 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6557 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6558 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6559 (function_arg_advance): IBM long double passed in two FPRs, not
6561 (function_arg): IBM long double passed in FPRs.
6562 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6563 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6564 Only multireg GPR aligned.
6565 (rs6000_init_libfuncs): Enable IBM long double functions if not
6567 (rs6000_generate_compare): Use IBM long double compare if not
6569 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6570 (TARGET_IEEEQUAD): Define.
6571 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6572 not TARGET_IEEEQUAD.
6573 * config/rs6000/rs6000.md: Enable TFmode patterns if
6575 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6576 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6577 and -mlong-double-128 are incompatible.
6578 * doc/invoke.texi (-mabi): Collect options together. Add
6579 ibmlongdouble and ieeelongdouble.
6581 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6583 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6585 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6586 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6587 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6588 * rtl.h (rtunion_def): Remove rt_ptr.
6590 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6591 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6592 * config/i386/winnt.c (i386_pe_mark_dllexport)
6593 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6595 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6597 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6599 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6603 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6604 pthread_key_delete. From John David Anglin. gthrw-ify
6605 pthread_getunique_np only if it it's not a macro. Delete
6607 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6608 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6609 __gthread_objc_condition_signal, __gthread_key_delete): Add
6610 "__attribute__ ((__unused__))" to unused arguments.
6611 (__gthread_recursive_mutex_init_function): Add missing return.
6612 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6613 gthr-posix95.h: Use macro-based approach for name redirection
6614 on targets missing weakref.
6616 2006-01-26 Zack Weinberg <zackw@panix.com>
6618 * genconditions.c (write_header): In generated code, #ifdef out
6619 all includes and fake declarations, except includes of bconfig.h
6620 and system.h, unless GCC_VERSION >= 3001. Do not include
6621 gensupport.h in any case.
6622 (write_conditions): Generate a definition of struct c_test. Add
6623 a comment to the generated #endif.
6624 (write_one_condition): Escape backslashes in string too.
6625 (write_writer): Generated code must escape backslashes and quote
6626 marks (but not newlines) in the strings it writes.
6627 * Makefile.in (build/gencondmd.o): Update dependencies.
6629 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6632 * Makefile.in (insn-automata.o): Add header file dependencies.
6633 * genautomata.c: Add includes.
6635 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6638 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6640 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6642 * configure.ac: Expect target tools paths to be passed from the toplevel
6643 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6645 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6647 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6650 * c.opt (Wpointer-sign): Init to -1.
6651 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6652 OPT_pedantic, to 0 otherwise.
6653 * doc/invoke.texi: Update.
6655 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6657 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6658 constants provided by 80387 instructions in the destination mode.
6660 2006-01-26 Richard Guenther <rguenther@suse.de>
6661 Andrew Pinski <pinskia@physics.uc.edu>
6664 partial PR tree-opt/17064
6665 * tree-ssa-structalias.c (intra_create_variable_infos):
6666 Create heap variables for incoming parameters if
6667 flag_argument_noalias > 1.
6668 (find_what_p_points_to): Look through default defs of
6671 2006-01-26 Jeff Law <law@redhat.com>
6674 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6675 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6676 within the VR_RANGE, use the VR_RANGE as the result, not the
6678 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6679 bounds for the type.
6681 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6683 * tree-ssa-alias.c (maybe_create_global_var): Change
6684 subvar walking to an assertion that we don't have subvar'd variables.
6686 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6689 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6690 Use a new variable, inner. PARM_DECLs are always non-weak.
6692 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6694 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6697 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6699 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6701 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6703 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6704 (smax_insn, smin_insn, smax_0, smin_0): New.
6706 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6709 * config/cris/cris.c (cris_order_for_addsi3): New function.
6710 * config/cris/cris-protos.h: Prototype it.
6711 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6712 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6713 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6714 (split for "op.S1 [rx=rx+i],ry (swapped)")
6715 (split for "op(s|u).S1 [rx=rx+i],ry")
6716 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6717 Apply cris_order_for_addsi3 when generating addsi3 insns.
6719 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6721 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6722 (TREE_BLOCK): Add call to EXPR_CHECK.
6724 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6727 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6728 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6729 (dump_omp_clauses): ... here.
6730 (dump_generic_node): Handle OMP_CLAUSE.
6731 * tree.c (omp_clause_num_ops): New.
6732 (omp_clause_code_name): New.
6733 (tree_code_size): Handle OMP_CLAUSE.
6734 (tree_size): Likewise.
6735 (make_node): Document handling of OMP_CLAUSE.
6736 (tree_node_structure): Handle OMP_CLAUSE.
6737 (omp_clause_check_failed): New.
6738 (omp_clause_range_check_failed): New.
6739 (omp_clause_operand_check_failed): New.
6740 (build_omp_clause): New.
6741 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6742 * tree.h (enum omp_clause_code): Declare.
6743 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6744 (OMP_CLAUSE_RANGE_CHECK): Define.
6745 (OMP_CLAUSE_ELT_CHECK): Define.
6746 (omp_clause_check_failed): Declare.
6747 (omp_clause_operand_check_failed): Declare.
6748 (omp_clause_range_check_failed): Declare.
6749 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6750 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6751 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6752 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6753 (OMP_CLAUSE_IF_EXPR): Likewise.
6754 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6755 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6756 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6757 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6758 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6759 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6760 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6761 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6762 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6763 (OMP_CLAUSE_CODE): Define.
6764 (OMP_CLAUSE_SET_CODE): Define.
6765 (OMP_CLAUSE_CODE): Define.
6766 (OMP_CLAUSE_OPERAND): Define.
6767 (struct tree_omp_clause): Declare.
6768 (union tree_node): Add field 'omp_clause'.
6769 * treestruct.def (TS_OMP_CLAUSE): Define.
6770 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6771 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6772 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6773 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6774 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6775 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6776 (OMP_CLAUSE): Define.
6777 * print-tree.c (print_node): Handle OMP_CLAUSE.
6778 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6779 * c-typeck.c: Likewise.
6780 * gimplify.c: Likewise.
6781 * c-omp.c: Likewise.
6782 * tree-nested.c: Likewise.
6783 * tree-inline.c: Likewise.
6784 * c-parser.c: Likewise.
6785 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6788 2006-01-25 Roger Sayle <roger@eyesopen.com>
6790 PR rtl-optimization/25703
6791 * combine.c (try_combine): Handle zero_extract and strict_low_part
6792 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6794 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6796 * global.c: Fix comment typos.
6798 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6801 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6802 Use output_addr_const instead of assemble_name.
6804 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6806 * Makefile.in (sched-vis.o): Update dependencies.
6807 * haifa-sched.c (sched_finish): Clear current_sched_info.
6808 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6809 (dump_flow_info): Call it.
6810 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6812 * basic-block.h (dump_bb_info): Declare.
6813 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6814 option, and apply options only for dump files whose TDF_RTL,
6815 TDF_TREE, or TDF_IPA bits match.
6816 * rtl.h: Declare new functions exported from sched-vis.c.
6817 * sched-vis.c: Enable also if scheduling is not used.
6818 (print_value): Print the mode of registers if not inside scheduling.
6819 (print_insn): Make it work outside the scheduler. Beautify the output
6821 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6823 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6825 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6826 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6827 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6828 depending on the value of CONSTANT_POOL_ADDRESS_P.
6829 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6831 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6832 rather than SYMBOL_REF_DECL.
6833 (rtx_constant_pool): Remove const_rtx_sym_htab.
6834 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6835 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6836 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6837 Remove handling of const_rtx_sym_htab.
6838 (find_pool_constant): Delete.
6839 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6840 rather than find_pool_constant.
6841 (get_pool_constant_for_function): Delete.
6842 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6844 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6845 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6846 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6847 (SYMBOL_REF_CONSTANT): New macro.
6848 (get_pool_constant_for_function): Delete.
6849 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6850 rather than SYMBOL_REF_DECL.
6851 (i386_pe_mark_dllimport): Likewise.
6852 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6853 rather than SYMBOL_REF_DECL.
6854 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6855 (machopic_indirect_call_target): Likewise.
6857 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6859 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6861 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6863 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6865 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6867 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6869 2006-01-24 David Daney <ddaney@avtrex.com>
6872 * configure.ac (enable_tls): New enable option.
6873 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6874 * configure: Regenerate.
6875 * doc/install.texi (--enable-tls): Document new option.
6876 (--disable-tls): Ditto.
6878 2006-01-24 Richard Henderson <rth@redehat.com>
6880 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6881 * alias.c (true_dependence): Respect it.
6882 (canon_true_dependence, write_dependence_p): Likewise.
6883 * builtins.c (get_builtin_sync_mem): Set it.
6885 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6887 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6890 2006-01-24 DJ Delorie <dj@redhat.com>
6892 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6893 for storing constants in single-bit bitfields.
6895 2006-01-25 Ben Elliston <bje@au.ibm.com>
6897 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6899 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6902 * tree-ssa-pre.c (phi_translate): Return NULL
6903 for AGGREGATE_TYPE's.
6905 2006-01-24 Zack Weinberg <zackw@panix.com>
6907 * genautomata.c (process_state_for_insn_equiv_partition):
6908 Use xcalloc for insn_arcs_array.
6909 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6910 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6912 2006-01-24 Richard Henderson <rth@redhat.com>
6914 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6917 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6919 PR rtl-optimization/25890
6920 PR rtl-optimization/25905
6921 * combine.c (expand_compound_operation, expand_field_assignment):
6922 Fail if the bitfield's final position is out of bounds.
6924 2006-01-24 Ian Lance Taylor <ian@airs.com>
6927 * cgraphunit.c (cgraph_output_in_order): Don't clear
6928 cgraph_asm_nodes until after asm strings have been output.
6930 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6932 * fix-header.c (read_scan_file): Add new parameter imultilib when
6933 calling register_include_chains.
6935 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6937 * omp-low.c: Update documentation.
6939 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6940 Daniel Berlin <dberlin@dberlin.org>
6944 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6945 return from the function.
6947 2006-01-22 Zack Weinberg <zackw@panix.com>
6949 * rtl.def (match_code): Add second argument.
6950 * genpreds.c (write_extract_subexp): New function.
6951 (write_match_code): Add path argument. Use write_extract_subexp.
6952 (write_predicate_expr): Pass path to write_match_code.
6953 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6954 not perform a mode test.
6955 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6956 a subexpression does not constrain the top-level code set.
6957 * read-rtl.c (read_rtx_variadic): New function.
6958 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6959 * doc/md.texi: Document new notation.
6960 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6961 (cmpsi_operand): ... here, using new notation.
6963 2006-01-22 Zack Weinberg <zackw@panix.com>
6965 * varray.c: Remove GENERATOR_FILE #ifdefs.
6967 2006-01-22 Zack Weinberg <zackw@panix.com>
6969 * genautomata.c (output_reserved_units_table): Emit nothing if
6970 description->query_units_num is zero. Remove extra blank line.
6971 (output_cpu_unit_reservation_p): Short circuit
6972 if description->query_units_num is zero.
6974 2006-01-22 Zack Weinberg <zackw@panix.com>
6976 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6977 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6978 nor any of the random handful of variables that used to be necessary
6979 when this program was linked with rtlanal.o. Prune set of forward
6980 function declarations.
6981 (struct attr_desc): Remove static_p field.
6982 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6983 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6984 (attr_string): Do not read the character one past the length of
6986 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6987 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6988 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6989 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6990 (make_automaton_attrs): New.
6991 (main): Do not call into genautomata. Call local gen_bypass
6992 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6993 Remove special case for insn_alts.
6994 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6995 varray.h (leftover from previous change). Prune set of forward
6996 function declarations. Remove state_alts fields from all
6997 structures. Remove state_alts_table from struct automaton.
6998 Make everything except main static. Do not maintain num_dfa_decls.
6999 Do not maintain state_alts fields of various structures.
7000 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7001 (add_arc): Remove state_alts argument. All callers updated.
7002 (output_reserved_units_table): Emit #ifdef here...
7003 (output_tables): ...not here. Don't generate state_alts tables.
7004 (expand_automata): Don't generate attributes.
7005 (write_automata): Don't generate state_alts functions.
7006 (main): New function.
7007 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7008 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7009 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7010 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7011 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7012 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7013 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7014 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7016 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7017 * genattrtab.h: Delete file.
7018 * Makefile.in (OBJS-common): Add insn-automata.o.
7019 (insn-automata.o): New rule.
7020 (simple_generated_c): Add insn-automata.c.
7021 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7022 (genprogmd): Add automata.
7023 (build/genattrtab): Needs no extra objects nor libraries.
7024 (build/genautomata): Needs build/vec.o and -lm.
7026 2006-01-22 Zack Weinberg <zackw@panix.com>
7028 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7029 (output_dfa_max_issue_rate, locked_states_num): Delete.
7030 (struct automaton): Add locked_states field.
7031 (output_dead_lock_vect): Save number of locked states in
7032 automaton->locked_states. If it is zero, don't print anything.
7033 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7034 (output_internal_dead_lock_func): Only test the dead_lock_vect
7035 for automata that have locked states.
7036 (output_statistics): Always print the number of locked states for
7037 each automaton. Calculate total number of locked states here.
7038 (write_automata): Don't call output_dfa_max_issue_rate.
7039 * genattrtab.c: Define length_unit_log as a const variable.
7040 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7041 max_insn_queue_index const.
7042 * final.c (length_unit_log): Declare const.
7043 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7045 2006-01-22 Zack Weinberg <zackw@panix.com>
7047 * genautomata.c: Include vec.h, not varray.h.
7048 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7049 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7050 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7051 VEC_* macros operating on appropriately typed vectors, or to
7052 malloced arrays when the size is known in advance. Const-ify
7053 many char* variables and function arguments. No functional changes.
7054 * Makefile.in (build/varray.o): Delete rule.
7055 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7056 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7058 2006-01-22 Zack Weinberg <zackw@panix.com>
7060 * gensupport.c: Define get_insn_name and record_insn_name here.
7061 (read_md_rtx): Call record_insn_name as appropriate.
7062 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7063 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7064 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7066 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7067 (BUILD_VARRAY): Delete.
7068 (genprognormal): Rename genprogmd. Fold in all programs from
7069 genprognoprint; also attrtab.
7070 (build/genattrtab): Just mention genautomata.o and varray.o.
7071 Reorganize a bit, add comments to make the categories clearer.
7073 2006-01-22 Zack Weinberg <zackw@panix.com>
7075 * genconditions.c (condition_table, add_condition): Delete.
7076 (write_conditions): Don't emit n_insn_conditions nor
7077 insn_elision_unavailable. Issue the gcc version #ifdef here,
7078 inside the table, with no #else clause ...
7079 (write_header): ...not here.
7080 (write_writer): New function.
7081 (main): Don't initialize condition_table. Use add_c_test.
7083 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7084 files on the command line.
7085 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7086 Return -1 if there is no entry in the table, don't abort.
7087 (add_c_test, traverse_c_tests): New functions.
7088 * gensupport.h (insn_elision_unavailable, insn_conditions)
7089 (n_insn_conditions): Delete declarations.
7090 (add_c_test, traverse_c_tests): Declare.
7091 * read-rtl.c: Include gensupport.h.
7092 (read_conditions): New function.
7093 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7094 (read_rtx_1): If we get EOF when we were looking for an initial
7095 open paren, return 0. Call read_conditions when appropriate.
7096 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7097 dummy-conditions.o. Eliminate references to insn-conditions.o,
7098 or change them to build/gencondmd.o, as appropriate. Remove
7099 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7100 from $(simple_generated_c). For all files remaining in those
7101 two lists, add insn-conditions.md to the generator command line.
7102 Give insn-constants.h/s-constants their own rules. Add rules
7103 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7104 (build/read-rtl.o): Depend on gensupport.h.
7105 (genprognormal): Include preds.
7106 (genprogearly): Rename genprognoprint; only difference is now that
7107 they don't link with $(BUILD_PRINT).
7108 * dummy-conditions.c: Delete.
7110 2006-01-22 Zack Weinberg <zackw@panix.com>
7112 * genextract.c: Don't include insn-config.h. Do include vec.h.
7113 Declare vectors of int, char, and locstr.
7114 (locstr): New typedef.
7115 (struct extraction): Make all array fields into bare pointers.
7116 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7117 (insn_code_number): Delete.
7118 (accum_extract): New struct.
7119 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7120 (gen_insn): Take insn_code_number as an argument. Use an
7121 accum_extract structure instead of loading data directly into
7122 a struct extraction, and having to know how big it might get.
7123 (walk_rtx): Operate entirely on an accum_extract structure.
7124 (print_path): Avoid unnecessary use of printf.
7125 (print_header): New function, split out of main. Distinguish
7126 more carefully between an unrecognizable insn and an insn that
7127 has the code number of a define_expand.
7128 (main): Pass insn_code_number to gen_insn. Call print_header
7129 only after parsing. Avoid unnecessary use of printf.
7130 * Makefile.in (build/vec.o): New rule.
7131 (build/genextract): Depend on build/vec.o.
7132 (build/genextract.o): Don't depend on insn-config.h.
7134 2006-01-22 Zack Weinberg <zackw@panix.com>
7136 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7137 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7138 practical. Eliminate per-generator-program link rules.
7140 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7143 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7144 with a call expr to ...
7145 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7147 2006-01-23 Richard Guenther <rguenther@suse.de>
7149 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7150 before make_edge with conditional EDGE_TRUE_VALUE.
7152 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7153 Jan Hubicka <jh@suse.cz>
7154 Richard Guenther <rguenther@suse.de>
7156 PR rtl-optimization/25654
7157 * cfgexpand.c (aggregate_contains_union_type): New function.
7158 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7159 for structure variables that contain a union type.
7161 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7163 * gengtype.c (new_structure): Return the structure.
7164 (create_option): Add an extra "next" argument.
7165 (create_field): New function.
7166 (adjust_field_rtx_def): Use create_option and create_field.
7167 Remove a now-unnecessary call to find_structure.
7168 (adjust_field_tree_def): Likewise.
7169 (note_yacc_type): Remove an unnecessary call to find_structure.
7170 * gengtype.h (new_structure): Return the structure.
7171 (create_option): Add an extra argument.
7172 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7173 (option): Adjust calls to create_option.
7175 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7177 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7179 2006-01-22 Paul Brook <paul@codesourcery.com>
7180 Peter Barada <peter@the-baradas.com>
7182 * config/m68k/m68k.md: Add Coldfire FPU support.
7183 Define FP mode macro and associated attributes.
7184 Use it for float mode patterns.
7185 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7186 (LIBCALL_VALUE): Use m68k_libcall_value.
7187 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7188 (m68k_function_value): Ditto.
7189 (emit_move_sequence): Ditto.
7190 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7191 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7192 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7193 (MULTILIB_EXCEPTIONS): Ditto.
7194 * config/m68k/m68k.opt: Add mcfv4e.
7195 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7196 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7197 (m68k_output_function_prologue): Save ColdFire FPU registers.
7198 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7199 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7200 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7201 ColdFire FPU registers.
7202 (m68k_libcall_value, m68k_function_value): New functions.
7203 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7204 (LIBCALL_VALUE): Use m68k_libcall_value.
7205 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7206 (MASK_COLDFIRE): Add MASK_CFV4E.
7207 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7208 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7209 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7210 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7211 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7212 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7213 * doc/invoke.tex: Document -mcfv4e on m68k.
7215 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7217 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7220 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7223 * c-opts.c (c_common_handle_option): Don't include
7224 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7225 * doc/invoke.texi (C++ Dialect Options): Document that
7226 -Wnon-virtual-dtor is no longer included in -Wall.
7228 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7230 * gcov.c (print_version), gcov-dump.c (print_version),
7231 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7234 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7236 * df-scan.c (problem_SCAN): Added NULL reset function.
7237 (df_scan_reset_blocks): Added code to call reset block function
7238 (df_bb_refs_delete) Fixed comment.
7239 (df_insn_refs_delete): Made tolerant of deleting non existent info
7240 for dataflow problems that need to be reset.
7241 * df-core.c (df_set_blocks): Ditto.
7242 * df.h (struct df_problem): Added reset_fun.
7243 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7244 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7245 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7246 functions to clear out all references to def-use or use-def chains.
7248 2006-01-21 Ben Elliston <bje@au.ibm.com>
7250 * varasm.c (assemble_real): Initialise data array.
7252 2006-01-20 Paul Brook <paul@codesourcery.com>
7254 Merge from csl-arm-branch.
7255 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7256 * config/arm/arm.md (movdi): Force operands[1] to a register
7257 if we have a non-register source.
7258 (*arm_movdi, *movdf_soft_insn): Require that one of the
7259 operands be a register.
7260 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7261 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7263 2006-01-20 DJ Delorie <dj@redhat.com>
7265 * varasm.c (initialize_constant_valid_p): Allow pointers
7266 initialized from integer constants of lesser precision.
7267 (output_constant): Allow non-int-sized pointer modes to be
7268 initialized from integer constants.
7270 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7273 * cppdefault.h (struct default_include): Add multilib flag.
7274 * cppdefault.c (cpp_include_defaults): Set it.
7275 * c.opt (-imultilib): New option.
7276 * c-opts.c (imultilib): New.
7277 (c_common_handle_option): Handle -imultilib.
7278 (c_common_post_options): Likewise.
7279 * c-incpath.c (add_standard_paths, register_include_chains):
7281 * c-incpath.h (register_include_chains): Add extra parameter.
7282 * gcc.c (do_spec_1): Generate -imultilib option.
7283 (The Specs Language): Update %I description.
7284 (process_command): Update copyright notice.
7285 * doc/cppopts.texi (-imultilib): Document.
7286 * doc/invoke.texi (-imultilib): Include in option summary.
7287 (%I): Update specs documentation.
7289 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7291 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7293 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7295 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7298 2006-01-20 Richard Guenther <rguenther@suse.de>
7299 Steven Bosscher <stevenb.gcc@gmail.com>
7301 PR rtl-optimization/24626
7302 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7303 EDGE_TRUE_VALUE if in RTL mode.
7306 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7307 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7309 2006-01-20 Dirk Mueller <dmueller@suse.com>
7312 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7313 instead of a special NOP marker.
7314 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7315 NOP marker handling.
7316 * c-common.h (empty_body_warning): Add forward declaration.
7317 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7318 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7320 2006-01-20 Paul Brook <paul@codesourcery.com>
7322 * Makefile.in (lang_checks): Keep going if mkdir fails.
7324 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7326 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7327 be able to clean out basic block when not necessary.
7328 (df_scan_free): Fixed to properly delete information if df is
7329 unused before calling df_finish.
7330 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7331 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7333 (df_bb_refs_delete): New function.
7334 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7335 * df-core.c (df_set_blocks): Added code to properly clean out
7336 unused blocks if they are not part of the blocks to consider.
7337 Added additional null check.
7338 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7339 be able to clean out basic block when not necessary
7340 * df.h (df_free_bb_function): Ditto.
7341 (df_bb_refs_delete): New function.
7342 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7343 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7344 basic block parameter to be able to clean out basic block when not
7346 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7347 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7348 Fixed to properly delete information if df is unused before
7351 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7353 PR rtl-optimization/25799
7354 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7355 Corrected confluence operator to remove bits from op2 before oring
7356 with op1 rather than removing bits from op1.
7357 (df_ru_transfer_function): Corrected test on wrong bitmap which
7358 caused infinite loop. Both of these problems were introduced in
7359 the dataflow rewrite.
7361 2006-01-19 DJ Delorie <dj@redhat.com>
7363 * reload1.c (find_reload_regs): Note the details of reload
7364 failures in the dump file.
7365 (spill_failure): Likewise.
7367 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7369 * loop-iv.c: Include df.h and hashtab.h.
7370 (enum iv_grd_result): New enum.
7371 (DF_REF_IV, DF_REF_IV_SET): New macros.
7372 (struct biv_entry): New.
7373 (df, bivs): New global variables.
7374 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7375 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7377 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7378 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7379 analyzed_for_bivness_p, record_biv): New functions.
7380 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7381 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7382 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7384 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7386 (iv_number_of_iterations): Use new interface to iv analysis.
7387 * loop-unroll.c: Do not include varray.h.
7388 (analyze_iv_to_split_insn): Use new interface to iv
7390 * loop-unswitch.c (may_unswitch_on): Ditto.
7391 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7393 (df_bb_modify): Realloc tables to the new index.
7394 (df_find_use): New function.
7395 * df.h (df_find_use): Declare.
7396 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7398 * cfgloop.h (struct rtx_iv): Remove analysed field.
7399 (iv_get_reaching_def): Removed.
7400 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7401 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7402 (loop-iv.o): Add df.h and hashtab.h dependency.
7403 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7405 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7408 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7410 (__floatundisf, __floatundidf): Likewise.
7411 * libgcc2.h (IS_IBM_EXTENDED): Define.
7413 2006-01-19 DJ Delorie <dj@redhat.com>
7415 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7417 2006-01-19 Paul Brook <paul@codesourcery.com>
7419 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7420 as nothrow when unwinding tables are disabled.
7422 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7425 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7426 of bit-field" when in system header.
7428 2006-01-19 DJ Delorie <dj@redhat.com>
7430 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7431 the 16 bit shift limit of the m16c.
7433 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7436 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7437 * config/i386/i386.c (output_set_got): Output the label if we have one
7438 for the TARGET_DEEP_BRANCH_PREDICTION case.
7440 2006-01-19 Jan Hubicka <jh@suse.cz>
7441 H.J. Lu <hongjiu.lu@intel.com>
7442 Evandro Menezes <evandro.menezes@amd.com>
7444 * invoke.texi (generic): Document
7446 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7447 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7448 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7449 (x86_use_incdec, x86_pad_returns): New variables
7450 (TARGET_CPU_DEFAULT_generic): New constant
7451 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7452 (enum processor_type): Add generic32 and generic64.
7453 * i386.md (cpu attribute): Add generic32/generic64
7454 (movhi splitter): Behave sanely when both partial_reg_dependency and
7455 partial_reg_stall are set.
7456 (K8 splitters): Enable for generic as well.
7457 * predicates.md (incdec_operand): Use TARGET_INCDEC
7458 (aligned_operand): Avoid memory mismatch stalls.
7459 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7460 * ppro.md: Enable for generic32
7461 * i386.c (generic64_cost, generic32_cost): New.
7462 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7463 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7464 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7465 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7466 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7467 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7468 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7469 x86_accumulate_outgoing_args, x86_prologue_using_move,
7470 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7471 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7473 (x86_use_incdec, x86_pad_returns): New.
7474 (override_options): Add generic32 and generic64, translate "generic"
7475 to generic32/generic64 and "i686" to "generic32", refuse
7476 "generic32"/"generic64" as arch target.
7477 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7478 (ix86_reorg): Honor PAD_RETURNS.
7480 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7482 * tree-pretty-print.c (dump_generic_node): Handle
7483 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7484 * cgraph.c (cgraph_expand_queue): Rename from
7485 cgraph_analyze_queue. Update all users.
7486 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7487 cgraph_expand_queue.
7488 (cgraph_expand_all_functions): Likewise.
7489 (cgraph_finalize_pending_functions): Remove. Update callers.
7491 * tree.h (OMP_DIRECTIVE_P): Define.
7492 (OMP_PARALLEL_FN): Define.
7493 (OMP_PARALLEL_DATA_ARG): Define.
7494 (OMP_SECTIONS_SECTIONS): Define.
7495 * tree-pass.h (pass_expand_omp): Declare.
7496 * omp-low.c (struct omp_region): Declare.
7497 (struct omp_context): Remove fields 'parallel_type',
7498 'parallel_start_ix' and 'parallel_start_additional_args'.
7500 (struct omp_for_data): Rename from struct expand_omp_for_data.
7501 (omp_regions): New static variable.
7502 (root_omp_region): New static variable.
7503 (find_omp_clause): Make static.
7504 (is_in_combined_parallel_ctx): Remove.
7505 (is_combined_parallel): New.
7506 (extract_omp_for_data): Move earlier in the file.
7507 (workshare_safe_to_combine_p): New.
7508 (get_ws_args_for): New.
7509 (determine_parallel_type): Move earlier in the file.
7510 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7512 (omp_copy_decl): Likewise.
7513 (create_omp_child_function): Likewise.
7514 (lookup_omp_region): New.
7515 (dump_omp_region): New.
7516 (debug_omp_region): New.
7517 (debug_all_omp_regions): New.
7518 (new_omp_region): New.
7519 (scan_omp_parallel): If parallel_nesting_level > 1, the
7520 directive is nested within another parallel directive.
7521 Set OMP_PARALLEL_FN.
7522 (scan_omp_for): Do not try to handle combined parallel+for
7524 Remove FIXME comment.
7525 (scan_omp_nested): Remove.
7526 (scan_omp_1): Do not call scan_omp_nested when
7527 parallel_nesting_level is > 1.
7528 Do not change the DECL_CONTEXT of local variables found.
7529 (lookup_decl_in_outer_ctx): New.
7530 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7531 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7532 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7533 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7534 If CTX is nested, lookup VAR in the outer context when
7535 building copy assignment.
7536 (lower_send_clauses): Rename from expand_send_clauses.
7537 If CTX is nested, lookup VAR in the outer context when
7538 building copy assignments.
7539 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7540 If CTX is nested, lookup VAR in the outer context when
7541 building copy assignments.
7542 (expand_parallel_call): Rename from build_parallel_call.
7543 Handle combined parallel+workshare cases.
7544 Re-implement to emit code into the CFG.
7546 (expand_omp_parallel): Re-implement to emit code into the CFG.
7547 Call move_sese_region_to_fn to outline the sub-graph
7548 containing the parallel region.
7549 (expand_omp_for_1): Remove.
7550 (expand_omp_for_generic): Re-implement to emit code into the
7552 (expand_omp_for_static_nochunk): Likewise.
7553 (expand_omp_for_static_chunk): Likewise.
7554 (expand_omp_for): Likewise.
7555 (expand_omp_sections): Likewise.
7556 (remove_exit_barriers): New.
7557 (expand_omp_synch): New.
7559 (build_omp_regions_1): New.
7560 (build_omp_regions): New.
7561 (execute_expand_omp): New.
7562 (gate_expand_omp): New.
7563 (pass_expand_omp): Define.
7564 (lower_omp_sections): Rename from expand_omp_sections.
7565 Set OMP_SECTIONS_SECTIONS.
7566 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7567 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7568 (lower_omp_single): Rename from expand_omp_simple.
7569 (lower_omp_master): Rename from expand_omp_master.
7570 (lower_omp_ordered): Rename from expand_omp_ordered.
7571 (lower_omp_critical): Rename from expand_omp_critical.
7572 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7573 (lower_omp_for): Re-implement.
7574 (lower_omp_parallel): Re-implement.
7575 (lower_regimplify): Rename from expand_regimplify.
7576 (lower_omp_1): Rename from expand_omp_1.
7577 If there are syntax errors in the program, replace every
7578 OpenMP directive with NOP.
7579 Call lower_omp_* instead of expand_omp_*.
7580 (lower_omp): Rename from expand_omp.
7582 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7583 * tree-gimple.h (enum omp_parallel_type): Remove.
7584 (gimple_boolify): Declare extern.
7585 (find_omp_clause, determine_parallel_type): Remove.
7587 * gimple-low.c (lower_omp_directive): New.
7588 (lower_stmt): Call it.
7589 (record_vars_into): Move from ...
7590 (record_vars): ... here.
7591 Call record_vars_into with current_function_decl.
7593 * gimplify.c (struct gimplify_ctx): Remove fields
7594 combined_pre_p and combined_ctxp. Update users.
7595 (get_formal_tmp_var): Add documentation.
7596 (gimple_boolify): Make extern.
7597 (gimplify_expr_in_ctx): Remove. Update callers.
7598 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7599 will always be a BIND_EXPR.
7600 (gimplify_expr): Handle OMP_RETURN_EXPR.
7601 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7602 (OMP_PARALLEL): Add 3 operands.
7603 (OMP_SECTIONS): Add 1 operand.
7604 (OMP_RETURN_EXPR): Define.
7606 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7607 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7608 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7609 creating a circular free list.
7610 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7612 * tree-flow.h (move_sese_region_to_fn): Declare.
7613 (record_vars_into): Declare.
7614 * tree-cfg.c (make_omp_sections_edges): New.
7615 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7616 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7617 OMP_SECTIONS and OMP_SECTION.
7618 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7619 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7620 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7621 (gather_blocks_in_sese_region): New.
7622 (struct move_stmt_d): Declare.
7624 (move_block_to_fn): New.
7625 (move_sese_region_to_fn): New.
7627 * passes.c (init_optimization_passes): Schedule
7628 pass_expand_omp after pass_init_datastructures.
7630 * tree-ssa-operands.c (get_expr_operands): Handle
7631 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7632 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7634 2006-01-19 Jeff Law <law@redhat.com>
7636 * tree-vrp.c (extract_range_from_assert): Refine the result range
7637 if the variable referenced by the ASSERT_EXPR has a range and
7638 either the tentative result range or the previous range is a
7641 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7643 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7645 2006-01-19 Jan Hubicka <jh@suse.cz>
7647 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7649 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7651 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7652 (expand_compound_operation, expand_field_assignment): Fail if the
7653 bit lengths of an extract operation are out of range.
7654 (make_extraction): Compute wanted_inner_mode based on the position
7655 and length of the extraction. Make it extraction_mode for non-constant
7656 positions, and do not modify offset in that case. When generating a
7657 new MEM, use a mode that can hold the extraction while keeping correct
7658 alignment. Remove code that supported MEMs wrapped by USEs.
7659 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7661 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7663 * config/s390/s390.md ("Y", "y"): New mode attribute.
7664 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7665 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7666 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7667 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7668 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7669 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7670 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7671 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7672 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7673 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7674 "addsi3", "subsi3"): Insn patterns removed.
7675 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7676 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7677 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7678 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7679 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7680 "*sub<mode>3_cconly2"): New insn patterns.
7681 ("addsi3", "subsi3"): New expanders.
7683 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7685 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7686 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7687 existing STMT_VINFO_VECTYPE if available.
7688 (vect_mark_relevant): Add special handling for stmts that are
7689 marked as STMT_VINFO_IN_PATTERN_P.
7690 (vect_analyze_loop): Call vect_pattern_recog.
7691 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7692 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7694 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7695 (vect_recog_func_ptr): New function-pointer type.
7696 * tree-vect-patterns.c: New file.
7697 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7698 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7699 (vect_pattern_recog_1): New functions.
7700 (vect_pattern_recog_funcs): New array of function pointers.
7702 * tree-vectorizer.h (ternary_op): New enum value.
7703 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7704 declaration. Revised documentation. Removed redundant dump prints.
7705 Removed redundant argument. Added support for reduction patterns.
7706 (vectorizable_reduction): Added support for reduction patterns.
7707 (vect_transform_stmt): Added support for patterns.
7709 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7710 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7711 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7712 (expand_widen_pattern_expr): New function.
7713 (init_optabs): Initialize new optabs udot_prod_optab,
7715 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7716 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7717 (expand_widen_pattern_expr): New function declaration.
7718 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7720 * tree-inline.c (estimate_num_insns_1): Added cases for new
7721 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7722 * tree-pretty-print.c (dump_generic_node): Likewise.
7723 (op_prio): Likewise.
7724 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7725 * tree-ssa-operands.c (get_expr_operands): Added case for
7727 * tree-vect-patterns.c (widened_name_p): New function.
7728 (vect_recog_dot_prod_pattern): Added function implementation.
7729 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7730 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7731 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7732 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7734 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7735 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7736 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7737 (init_optabs): Initialize new optabs widen_ssum_optab,
7739 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7740 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7741 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7742 use instead of type of def.
7743 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7744 function implementation.
7745 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7746 widen_ssumv8hi): New.
7748 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7751 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7754 * c-decl.c (add_flexible_array_elts_to_size): New function.
7755 (finish_decl): Use it.
7757 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7759 * diagnostic.h: Include options.h.
7760 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7761 dependancies for diagnostic.h.
7762 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7764 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7766 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7767 (ssa_ro_call_cache_valid): Ditto.
7768 * tree-ssa-alias.c (sort_tags_by_id): New function.
7769 (init_transitive_clobber_worklist): Ditto.
7770 (add_to_worklist): Ditto.
7771 (mark_aliases_call_clobbered): Ditto.
7772 (compute_tag_properties): Ditto.
7773 (set_initial_properties): Ditto.
7774 (compute_call_clobbered): Ditto.
7775 (compute_may_aliases): Call compute_call_clobbered and grouping.
7776 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7777 (compute_flow_insensitive_aliasing): Grouping now happens in our
7779 (setup_pointers_and_addressables): Remove clobbering related code.
7780 (add_may_alias): Ditto.
7781 (replace_may_alias): Ditto.
7782 (get_nmt_for): Ditto.
7783 (create_global_var):
7784 (is_escape_site): Return an escape_type enumeration.
7785 * tree-flow-inline.h (is_call_clobbered): Global var does not
7786 imply call clobbered.
7787 (mark_call_clobbered): Take a reason for marking this. Remove
7788 marking of globalness, and cache invalidation.
7789 (clear_call_clobbered): Remove cache invalidation code.
7790 * tree-dfa.c (dump_variable): If details is on, dump the reason
7792 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7794 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7795 (struct var_ann_d): Ditto.
7796 (enum escape_type): New.
7797 (mark_call_clobbered): Adjust prototype.
7798 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7799 are never call clobbered.
7800 Record reasons for escaping.
7801 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7802 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7803 (ssa_ro_call_cache_valid): Ditto.
7804 (clobbered_v_may_defs): Ditto.
7805 (clobbered_vuses): Ditto.
7806 (ro_call_vuses): Ditto.
7807 (clobber_stats): New.
7808 (init_ssa_operands): Zero out clobber stats.
7809 (fini_ssa_operands): Print out clobber stats.
7810 (get_call_expr_operands): Pass callee fndecl to
7812 (add_call_clobber_ops): Remove use of cache.
7813 Add use of PURE_CONST information.
7814 (add_call_read_ops): Remove use of cache.
7815 Add use of static not_read information.
7817 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7819 Introduce TLS descriptors for i386 and x86_64.
7820 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7821 (TARGET_ANY_GNU_TLS): New macro.
7822 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7823 (struct machine_function): Add tls_descriptor_call_expanded_p.
7824 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7825 (ix86_current_function_calls_tls_descriptor): Likewise.
7826 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7827 (override_options): Introduce gnu2 tls dialect.
7828 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7830 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7832 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7833 (ix86_init_machine_status): Initialize new field.
7834 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7835 (ix86_tls_module_base): New.
7836 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7837 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7838 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7839 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7840 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7841 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7842 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7843 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7844 * config/i386/predicates.md (tls_modbase_operand): New.
7845 (tp_or_register_operand): New.
7847 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7849 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7850 (look_for_address_of): Ditto.
7851 (ipa_init): Walk the function decls.
7852 (static_execute): Don't set readonly on FUNCTION_DECL's.
7854 2006-01-18 Roger Sayle <roger@eyesopen.com>
7856 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7857 for shifts where the source and destination registers are different.
7859 2006-01-18 Paul Brook <paul@codesourcery.com>
7861 Merge from csl-arm-branch.
7862 2005-03-14 Julian Brown <julian@codesourcery.com>
7863 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7864 (aeabi_llsl): Likewise.
7865 (ashrdi3): Likewise.
7866 (aeabi_lasr): Likewise.
7867 (lshrdi3): Likewise.
7868 (aeabi_llsr): Likewise.
7869 2005-03-10 Julian Brown <julian@codesourcery.com>
7870 * config.gcc: Disable shared libgcc for SymbianOS.
7871 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7873 2006-01-18 DJ Delorie <dj@redhat.com>
7875 * c-pragma.c (handle_pragma_diagnostic): New.
7876 (init_pragma): Register it.
7877 * doc/extend.texi: Document it.
7879 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7880 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7881 (diagnostic_context): Add classify_diagnostic[].
7882 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7883 as errors if they're overridden to DK_WARNING.
7884 (diagnostic_initialize): Initialize classify_diagnostic[].
7885 (diagnostic_set_kind_override): New.
7886 (diagnostic_report_diagnostic): Check for kind changes.
7887 * opts.c (common_handle_option): Take lang_mask. Update callers.
7889 * common.opt (Werror=): New.
7890 * doc/invoke.texi: Document -Werror=*
7892 2006-01-18 Jeff Law <law@redhat.com>
7894 * tree-vrp.c (test_for_singularity): Correct test for new
7895 min limit. Use operand_equal_p rather than pointer equality
7896 for testing if new min/max values are equal.
7898 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7899 using range information until after propagation and folding.
7901 2006-01-18 Richard Henderson <rth@redhat.com>
7902 Aldy Hernandez <aldyh@redhat.com>
7903 Jakub Jelinek <jakub@redhat.com>
7904 Diego Novillo <dnovillo@redhat.com>
7906 * omp-low.c: New file.
7907 * c-omp.c: New file.
7909 2006-01-18 Richard Henderson <rth@redhat.com>
7910 Jakub Jelinek <jakub@redhat.com>
7911 Diego Novillo <dnovillo@redhat.com>
7913 * doc/invoke.texi: Document -fopenmp.
7914 * tree-dump.h (debug_function): Declare.
7915 * hooks.c (hook_bool_tree_bool_false): New function.
7916 (hook_tree_tree_null): Remove.
7917 (hook_tree_tree_tree_null): New.
7918 * hooks.h: Update to match.
7919 * tree-pretty-print.c (debug_tree_chain): New.
7920 (print_generic_expr): Handle TDF_CHAIN.
7921 (dump_generic_node): Handle BLOCK.
7922 Do not abort with incomplete SWITCH_EXPRs.
7923 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7924 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7925 print space after directive name.
7926 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7927 Handle OMP_MASTER and OMP_ORDERED.
7928 Handle printing of OMP_BODY just in one place, goto
7929 dump_omp_body in the rest of OMP_* nodes that have
7931 Don't handle clause nodes here. Update omp statements to
7932 use dump_omp_clauses.
7933 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7934 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7935 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7936 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7937 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7938 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7939 Adjust output for GOMP_PARALLEL.
7940 (dump_omp_clauses): New.
7941 (print_declaration): Dump DECL_VALUE_EXPR.
7942 (op_symbol_1): Split out of op_symbol.
7943 (dumping_stmts): Remove. Update all users.
7944 * cgraph.c (cgraph_analyze_queue): New.
7945 (cgraph_add_new_function): New.
7946 * cgraph.h (cgraph_analyze_queue): Declare.
7947 (cgraph_add_new_function): Declare.
7948 (cgraph_lower_function): Remove.
7949 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7950 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7951 and TYPE_P nodes in its default clause.
7952 (empty_body_p): New.
7953 (tree_range_check_failed): New.
7955 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7956 OMP_CLAUSE_REDUCTION_MERGE,
7957 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7958 OMP_CLAUSE_PRIVATE_DEBUG,
7959 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7960 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7961 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7962 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7963 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7964 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7965 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7966 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7967 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7968 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7969 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7970 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7971 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7972 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7973 (TREE_RANGE_CHECK): New.
7974 (empty_body_p): Declare.
7975 (enum omp_clause_default_kind): New.
7976 (build_string_literal): Declare.
7977 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7978 (build5_stat, build5): Declare.
7979 * tree-pass.h (TDF_CHAIN): Define.
7980 * tree-pass.h (PROP_gimple_lomp): Define.
7981 (pass_lower_omp): Declare.
7982 * diagnostic.h (debug_tree_chain): Declare.
7983 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7985 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7986 * builtins.c (build_string_literal): Make extern.
7987 * gcc.c (include_spec_function): New.
7988 (static_spec_functions): Add it.
7989 (main): Move load of libgomp.spec ...
7990 (LINK_COMMAND_SPEC): ... here.
7991 (link_gomp_spec): New.
7992 (static_specs): Include it.
7993 (LINK_COMMAND_SPEC): Add link_gomp.
7994 (GOMP_SELF_SPECS): New.
7995 (driver_self_specs): Include it.
7996 (switch_matches): Don't mark inline.
7997 (main): Load libgomp.spec.
7998 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7999 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8000 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8001 * tree-gimple.h (enum omp_parallel): Declare.
8002 (determine_parallel_type): Declare.
8003 (omp_firstprivatize_variable): Declare.
8004 (omp_reduction_init): Declare.
8005 (diagnose_omp_structured_block_errors): Declare.
8006 (struct walk_stmt_info): Add want_return_expr.
8007 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8008 (find_omp_clause): Declare.
8009 (insert_field_into_struct): Declare.
8010 (struct walk_stmt_info): Move from tree-nested.c
8011 (walk_stmts): Declare.
8012 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8014 * cgraphunit.c (cgraph_lower_function): Make static.
8015 (cgraph_finalize_pending_functions): New.
8016 (cgraph_finalize_function): Call it.
8017 (cgraph_finalize_compilation_unit): Likewise.
8018 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8019 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8020 (BT_FN_UINT_UINT): New.
8021 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8022 DEF_FUNCTION_TYPE_VAR_4): Document.
8023 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8024 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8025 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8026 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8027 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8028 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8029 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8030 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8031 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8032 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8033 into separate files.
8034 (DEF_GOMP_BUILTIN): New.
8035 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8036 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8037 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8038 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8039 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8040 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8041 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8042 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8043 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8044 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8045 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8046 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8047 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8048 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8049 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8050 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8051 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8052 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8053 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8054 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8055 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8056 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8057 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8058 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8059 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8060 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8061 * sync-builtins.def: New file, moved from builtins.def.
8062 * omp-builtins.def: New file, moved from builtins.def.
8063 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8064 * gimple-low.c (lower_function_body): Clear data.
8065 (lower_stmt): Do not handle COMPOUND_EXPR.
8066 Remove call to print_node_brief.
8067 * c-tree.h (c_finish_omp_clauses): New prototype.
8068 (C_DECL_THREADPRIVATE_P): Define.
8069 (lookup_name_no_remap, c_omp_remap_private): Remove
8070 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8071 (check_for_loop_decls): Update decl.
8072 (lookup_name_no_remap, c_omp_remap_private): Declare.
8073 (build_indirect_ref, build_modify_expr, pushdecl,
8074 pushdecl_top_level): Move to c-common.h.
8075 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8076 before the switch, but just in the 2 places that need it.
8077 * c-decl.c (diagnose_mismatched_decls): Do not check for
8078 mismatched thread-local attributes when OLDDECL is marked
8079 threadprivate and NEWDECL has no thread-local attributes.
8080 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8081 (c_gimple_diagnostics_recursively): Rename from
8082 c_warn_unused_result_recursively. Invoke
8083 diagnose_omp_structured_block_errors.
8084 (check_for_loop_decls): Return a singular decl found.
8085 * langhooks.c (lhd_omp_predetermined_sharing): Return
8086 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8087 (lhd_omp_firstprivatize_type_sizes): New.
8088 (lhd_omp_assignment): New.
8089 (lhd_omp_predetermined_sharing): New.
8090 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8091 (struct lang_hooks_for_types): Add
8092 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8093 omp_predetermined_sharing, omp_disregard_value_expr,
8094 omp_private_debug_clause, omp_clause_default_ctor,
8095 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8096 (c_finish_omp_clauses): New.
8097 (c_finish_bc_stmt): Diagnose break within omp for.
8098 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8099 (build_unary_op): Return error_mark after reporting
8101 (build_modify_expr): Likewise.
8102 * gimplify.c: Include optabs.h and pointer-set.h.
8103 (enum gimplify_omp_var_data): Declare.
8104 (struct gimplify_omp_ctx): Declare.
8105 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8107 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8108 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8109 (splay_tree_compare_decl_uid): New.
8110 (new_omp_context): New.
8111 (delete_omp_context): New.
8112 (gimple_add_tmp_var): Call omp_add_variable.
8113 (gimplify_bind_expr): Likewise.
8114 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8115 true, disregard DECL_VALUE_EXPR on the decl if any.
8116 (gimplify_expr_in_ctx): New.
8117 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8118 omp_add_variable, omp_notice_variable, omp_is_private
8119 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8120 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8121 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8122 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8123 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8124 gimplify_omp_atomic): New.
8125 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8126 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8127 OMP_CRITICAL and OMP_ATOMIC.
8128 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8129 * c-pragma.h (enum pragma_kind): Add
8130 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8131 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8132 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8133 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8134 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8135 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8136 PRAGMA_OMP_THREADPRIVATE.
8137 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8138 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8139 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8140 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8141 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8142 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8143 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8144 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8145 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8146 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8147 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8148 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8149 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8151 (struct nesting_info): Add field_map,
8152 suppress_expansion, debug_var_chain.
8153 (create_nesting_tree): Initialize them.
8154 (lookup_field_for_decl): Use field_map.
8155 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8156 (convert_local_omp_clauses): New.
8157 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8158 (walk_body): Split out of walk_function.
8159 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8160 (convert_nonlocal_reference): Handle omp statements.
8161 (convert_local_reference): Likewise.
8162 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8163 (unnest_nesting_tree): New.
8164 (lower_nested_functions): Call it.
8165 (insert_field_into_struct): Make extern.
8166 (struct walk_stmt_info): Move to tree-gimple.h.
8167 (walk_stmts): Make extern.
8168 * omp-builtins.def: New file.
8169 * tree-iterator.c (expr_only): Clarify comment.
8170 * c-common.h (pushdecl_top_level, pushdecl,
8171 build_modify_expr, build_indirect_ref,
8172 c_finish_omp_master, c_finish_omp_critical,
8173 c_finish_omp_ordered, c_finish_omp_barrier,
8174 c_finish_omp_atomic, c_finish_omp_flush,
8175 c_finish_omp_for, c_split_parallel_clauses,
8176 omp_clause_default_kind, c_omp_sharing_predetermined,
8177 c_omp_remap_decl): Declare.
8178 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8179 (OBJS-common): Add omp-low.o.
8180 (c-omp.o, omp-low.o): Add.
8181 (gimplify.o): Add dependency on $(OPTABS_H).
8182 (GTFILES): Add omp-low.c.
8183 (gt-stringpool.h): Add.
8184 * tree-cfg.c (set_bb_for_stmt): Do not update the
8185 block-to-labels map if we are currently expanding to RTL.
8186 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8188 Handle IDENTIFIER_NODE.
8189 (tree_verify_flow_info): Do not ICE when emitting error
8190 messages about invalid labels.
8191 (dump_function_to_file): Reset CFUN before emitting the body
8193 (debug_function): New.
8194 * passes.c (init_optimization_passes): Schedule
8196 * langhooks-def.h (lhd_omp_predetermined_sharing,
8197 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8199 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8200 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8201 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8202 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8203 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8204 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8205 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8206 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8207 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8208 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8209 (LANG_HOOK_DECLS): Use them.
8211 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8212 Richard Henderson <rth@redhat.com>
8213 Jakub Jelinek <jakub@redhat.com>
8214 Diego Novillo <dnovillo@redhat.com>
8216 * c-parser.c (pragma_omp_clause): Define.
8217 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8218 (c_parser_compound_statement): Likewise.
8219 (c_parser_statement): Likewise.
8220 (c_parser_pragma): Handle omp pragmas.
8221 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8222 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8223 (c_parser_omp_clause_name, check_no_duplicate_clause,
8224 c_parser_omp_variable_list,
8225 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8226 c_parser_omp_clause_copyprivate,
8227 c_parser_omp_clause_default,
8228 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8229 c_parser_omp_clause_lastprivate,
8230 c_parser_omp_clause_nowait,
8231 c_parser_omp_clause_num_threads,
8232 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8233 c_parser_omp_clause_reduction,
8234 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8235 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8236 c_parser_omp_atomic, c_parser_omp_barrier,
8237 c_parser_omp_critical, c_parser_omp_flush,
8238 c_parser_omp_for_loop, c_parser_omp_for,
8239 c_parser_omp_master, c_parser_omp_ordered,
8240 c_parser_omp_sections_scope, c_parser_omp_sections,
8241 c_parser_omp_parallel, c_parser_omp_single,
8242 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8243 * c-pragma.c (init_pragma): Do omp pragma registration here.
8244 * c.opt (fopenmp): New flag.
8246 2006-01-18 Eric Christopher <echristo@apple.com>
8248 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8249 * config/darwin.h (GOMP_SELF_SPECS): Define.
8251 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8253 * rtl.h: Remove the prototype for reg_alloc.
8255 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8258 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8259 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8260 sjlj and dwarf2 exception handling.
8261 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8262 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8263 * pa/pa.c (function_value): Treat complex and vector types as
8265 (function_arg): Likewise. Only pass scalar floats in the floating
8266 point argument registers.
8267 * pa/t-slibgcc-dwarf-ver: New file.
8268 * pa/t-slibgcc-sjlj-ver: New file.
8269 * pa/t-slibgcc-elf-ver: Delete file.
8271 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8273 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8274 unlikely_test_section_p test.
8276 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8278 * mode-switching.c (optimize_mode_switching): Make it static.
8279 * basic-block.h: Remove the prototype for
8280 optimize_mode_switching.
8282 * modulo-sched.c (sms_schedule): Make it static.
8283 * rtl.h: Remove the prototype for sms_schedule.
8285 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8286 * rtl.h: Remove the prototype for gcse_after_reload_main.
8288 * reg-stack.c (reg_to_stack): Make it static.
8289 * rtl.h: Remove the prototype for reg_to_stack.
8291 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8293 * rtl.h: Remove the prototypes for regrename_optimize and
8294 copyprop_hardreg_forward.
8296 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8298 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8299 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8300 Test against the appropriate null constant for the mode.
8301 If 'fixup_overlap' is true, swap the operands if they overlap.
8302 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8303 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8304 alpha_split_tmode_pair and adjust for above change.
8305 * config/alpha/alpha.md (movtf_internal): Adjust call to
8306 alpha_split_tfmode_pair and rely on it to swap the operands.
8307 (movti_internal): New insn and post-reload splitter.
8308 (movti): New expander.
8310 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8312 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8315 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8317 * rtlanal.c (global_reg_mentioned_p_1,
8318 global_reg_mentioned_p): Remove.
8319 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8321 * flow.c (initialize_uninitialized_subregs): Make it static.
8322 * rtl.h: Remove the prototype for
8323 initialize_uninitialized_subregs.
8325 * function.c (instantiate_virtual_regs): Make it static.
8326 * function.h: Remove the prototype for
8327 instantiate_virtual_regs.
8329 * regmove.c (regmove_optimize, combine_stack_adjustments):
8331 * rtl.h: Remove the prototypes for regmove_optimize and
8332 combine_stack_adjustments.
8334 2006-01-17 Roger Sayle <roger@eyesopen.com>
8336 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8337 (size_cost): Encode costs in bytes so that a reg-reg addition is
8338 equivalent to COSTS_N_INSNS(1).
8339 (override_options): Use the size_cost.branch_cost as the default
8340 ix86_branch_cost when optimizing for size.
8342 2006-01-18 Ben Elliston <bje@au.ibm.com>
8344 * Makefile.in (D32PBIT_FUNCS): New.
8345 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8346 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8347 D64PBIT_FUNCS and D128PBIT_FUNCS.
8348 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8349 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8351 (decnumber_dep): Define.
8352 * doc/libgcc.texi (Decimal float library routines): New node.
8353 * config/dfp-bit.h, config/dfp-bit.c: New files.
8355 2006-01-18 Ben Elliston <bje@au.ibm.com>
8357 * expr.c (emit_move_change_mode): Always adjust addresses, not
8358 just during reload. Copy replacements only during reload.
8359 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8360 emit_move_via_integer.
8362 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8364 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8365 instead of $(srcdir) and ${srcdir}.
8367 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8371 * arm.h (struct machine_function): Add pic_reg.
8372 * arm.c (arm_pic_register): Make unsigned.
8373 (arm_override_options): Only set arm_pic_register if
8374 TARGET_SINGLE_PIC_BASE.
8375 (use_return_insn): Only test for a pic register if it is fixed.
8376 (arm_compute_save_reg0_reg12_mask): Likewise.
8377 (thumb_compute_save_reg_mask): Likewise.
8378 (legitimate_pic_operand): Factor out some known invariants.
8379 (legitimize_pic_address): If we don't have a fixed pic register,
8380 then set up a pseudo in the function entry sequence. Handle the
8381 pic base being in a pseudo.
8382 (arm_load_pic_register): Handle the pic register being in a pseudo.
8383 (arm_expand_prologue): Only set up the pic register if it is fixed.
8384 (thumb_expand_prologue): Likewise.
8385 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8386 (pic_load_addr_based_insn): Likewise.
8387 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8390 2006-01-18 Ben Elliston <bje@au.ibm.com>
8392 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8393 decimal float modes for all floating point registers.
8395 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8396 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8398 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8401 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8402 even when the pointer is not NULL.
8404 2006-01-16 Ian Lance Taylor <ian@airs.com>
8406 * common.opt (ftoplevel-reorder): New option.
8407 * cgraph.c (cgraph_asm_nodes): New global variable.
8408 (cgraph_asm_last_node): New static variable.
8409 (cgraph_order): New global variable.
8410 (cgraph_create_node): Set new order field.
8411 (cgraph_varpool_node): Likewise.
8412 (decide_is_variable_needed): Return true if not
8413 flag_toplevel_reorder.
8414 (cgraph_add_asm_node): New function.
8415 * cgraph.h (struct cgraph_node): Add order field.
8416 (struct cgraph_varpool_node): Add order field.
8417 (struct cgraph_asm_node): Define.
8418 (cgraph_asm_nodes, cgraph_order): Declare.
8419 (cgraph_add_asm_node): Declare.
8420 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8422 (cgraph_varpool_assemble_pending_decls): Call it.
8423 (cgraph_output_pending_asms): New static function.
8424 (cgraph_finalize_compilation_unit): Call it.
8425 (struct cgraph_order_sort): Define.
8426 (cgraph_output_in_order): New static function.
8427 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8428 !flag_toplevel_reorder case.
8429 * c-parser.c: Include "cgraph.h".
8430 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8432 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8433 than -fno-unit-at-a-time.
8434 * doc/invoke.texi (Option Summary): Mention
8435 -fno-toplevel-reorder.
8436 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8437 -funit-at-a-time documentation.
8439 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8440 Kazu Hirata <kazu@codesourcery.com>
8442 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8444 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8446 * Makefile.in (FUNCTION_H): New. Use it instead of
8447 function.h throughout the file.
8448 * function.h: Include tree.h.
8450 2006-01-17 Ben Elliston <bje@au.ibm.com>
8452 * recog.c: Separate some functions with whitespace.
8454 2006-01-16 Richard Henderson <rth@redhat.com>
8456 Merge from gomp branch:
8457 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8458 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8459 and rename from struct inline_data. Rename callee* to dst*;
8460 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8461 transform_new_cfg, transform_return_to_modify, and
8462 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8464 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8465 (copy_decl_for_dup): Remove.
8466 * tree-inline.c (struct inline_data): Move to header.
8467 (insert_decl_map): Export.
8468 (remap_decl): Update for member name changes. Use copy_decl hook.
8469 Allow for replacement to be a non-decl. Remove dead code.
8470 (remap_type_1): Check for existing mapping.
8471 (remap_type): Export.
8472 (remap_decls): Update for member name changes.
8473 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8474 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8475 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8476 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8477 (tree_function_versioning, build_duplicate_type): Likewise.
8478 (copy_body_r): Likewise. Export.
8479 (copy_decl_for_dup): Split into ...
8480 (copy_decl_for_dup_finish, copy_decl_to_var,
8481 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8482 (replace_ref_tree, inlining_p): Remove.
8484 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8486 * ifcvt.c (if_convert): Make it static.
8487 * rtl.h: Remove the prototype for if_convert.
8489 * local-alloc.c (local_alloc): Make it static.
8490 * rtl.h: Remove the prototype for local_alloc.
8492 * loop.c (loop_optimize): Make it static.
8493 * cfgloop.h: Remove the prototype for loop_optimize.
8496 2006-01-16 DJ Delorie <dj@redhat.com>
8498 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8501 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8503 * pa.md: Disparage copies between general and floating-point registers
8504 in 32-bit move patterns.
8506 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8509 * Makefile.in (check-%): Depend on site.exp instead of
8510 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8513 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8515 * global.c (global_alloc): Make it static.
8516 * rtl.h: Remove the prototype for global_alloc.
8518 2006-01-16 Richard Guenther <rguenther@suse.de>
8520 * tree-ssa-alias.c (struct used_part): Add write_only field.
8521 (get_or_create_used_part_for): Initialize it to true.
8522 (create_overlap_variables_for): Don't create structure variables
8523 for structures that only are written to.
8524 (find_used_portions): Handle MODIFY_EXPR to track whether a
8525 structure is only written to.
8527 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8529 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8531 * basic-block.h: Remove the prototype for
8532 partition_hot_cold_basic_blocks.
8534 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8536 * cppspec.c (lang_specific_spec_functions): Remove.
8537 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8538 * gcc.h (lang_specific_spec_functions): Remove.
8539 * gccspec.c (lang_specific_spec_functions): Remove.
8541 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8543 * combine.c (record_value_for_reg): Invalidate registers
8545 (record_dead_and_set_regs_1): Likewise, by passing them to
8546 record_value_for_reg.
8547 (record_dead_and_set_regs): Invalidate stores made by a
8548 call. We do not combine across a call, but we still
8549 relied on equivalences.
8551 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8553 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8554 vrp_int_const_binop returning non-constant nodes.
8556 2006-01-16 Paul Brook <paul@codesourcery.com>
8558 * config/m68k/m68k.c (output_move_const_into_data_reg):
8559 Output correct mnemonic for mvz and mvs.
8561 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8563 * rtl-factoring.c: Add sequence abstraction algorithm.
8564 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8565 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8567 (block_has_preserve_label): New function.
8568 * common.opt: Register new pass.
8569 * Makefile.in: Ditto.
8571 * timevar.def: Ditto.
8572 * tree-pass.h: Ditto.
8573 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8574 * rtl.h (make_jump_insn_raw): Add forward decl.
8575 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8577 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8578 Roger Sayle <roger@eyesopen.com>
8580 * fold-const.c (fold_minmax): New static function.
8581 (fold_binary) <MIN_EXPR>: Call it.
8582 <MAX_EXPR>: Likewise.
8583 * stor-layout.c (place_field): Use DECL_SIZE consistently
8584 in the computation of the new record size.
8586 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8588 * cse.c (cse_condition_code_reg): Make it static.
8589 * rtl.h: Remove the prototype for cse_condition_code_reg.
8591 * combine.c (combine_instructions): Make it static.
8592 * rtl.h: Remove the prototype for combine_instructions.
8594 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8597 * tree.c (get_file_function_name_long): Concatenate the first global
8598 object name with a string derived from the input filename of the object
8601 2006-01-16 Ben Elliston <bje@au.ibm.com>
8603 * config/i386/winnt-stubs.c: Update FSF address.
8604 * config/xtensa/ieee754-df.S: Ditto.
8605 * config/xtensa/ieee754-sf.S: Ditto.
8607 2006-01-14 Ian Lance Taylor <ian@airs.com>
8609 * ifcvt.c (noce_init_if_info): New static function, broken out of
8610 noce_process_if_block.
8611 (noce_process_if_block): Call noce_init_if_info.
8612 (check_cond_move_block): New static function.
8613 (cond_move_process_if_block): New static function.
8614 (process_if_block): Call cond_move_process_if_block.
8616 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8618 * cselib.c (hash_table): Rename to cselib_hash_table.
8619 (cselib_clear_table, discard_useless_values,
8620 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8621 cselib_init, cselib_finish): Adjust uses of hash_table.
8623 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8625 PR tree-optimization/25485
8626 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8627 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8628 is known to be false and true, respectively.
8630 2006-01-14 Richard Guenther <rguenther@suse.de>
8632 PR tree-optimization/22548
8633 PR tree-optimization/22555
8634 PR tree-optimization/22501
8635 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8636 * params.def (salias-max-array-elements): New parameter.
8637 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8638 * doc/invoke.texi (salias-max-array-elements): Document.
8639 * tree-flow-inline.h (var_can_have_subvars): We also handle
8641 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8643 * tree-ssa-structalias.c (params.h): Include.
8644 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8645 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8646 (get_constraint_for): For ADDR_EXPR operating on something
8647 containing an ARRAY_REF, add all subvars to the solution.
8648 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8649 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8650 for creating MUST_DEFs.
8651 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8653 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8655 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8657 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8658 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8659 number_of_iterations_le): New functions.
8660 (number_of_iterations_special): Removed.
8661 (number_of_iterations_exit): Do not use number_of_iterations_special.
8662 * tree.c (unsigned_type_for): Always return integer type.
8664 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8665 Richard Guenther <rguenther@suse.de>
8667 PR rtl-optimization/24257
8668 * gcse.c (find_moveable_store): Only consider a store movable
8669 when the SET_SRC of the insn can be assigned to a register.
8671 2006-01-14 Ian Lance Taylor <ian@airs.com>
8673 * tree.c (tree_not_class_check_failed): New function.
8674 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8675 (tree_not_class_check_failed): Declare.
8677 2006-01-13 Ian Lance Taylor <ian@airs.com>
8679 * reload1.c (do_output_reload): Add assertion rejecting a
8682 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8684 * combine.c (struct reg_stat): Add new fields truncation_label and
8686 (record_value_for_reg): Reset truncated_to_mode.
8687 (record_truncated_value): New function.
8688 (check_promoted_subreg): Call it. Rename to check_conversions.
8689 (combine_instructions): Rename check_promoted_subreg to
8691 (reg_truncated_to_mode): New function.
8692 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8693 (gen_lowpart_or_truncate): New function.
8694 (force_to_mode): Use it instead of gen_lowpart.
8696 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8698 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8699 VAR is a tag, not its type tag.
8701 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8703 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8704 alternatives to match style of other entries.
8705 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8707 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8709 PR tree-optimization/25771
8710 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8713 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8716 * tree-inline.c (declare_return_variable): If the return variable
8717 was marked as a non gimple complex, set the return slot variable
8718 to be a non gimple comple variable.
8720 2006-01-13 Richard Guenther <rguenther@suse.de>
8722 * builtins.c (expand_builtin_sincos): New function.
8723 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8725 (expand_builtin): Expand sincos using expand_builtin_sincos.
8727 2006-01-12 DJ Delorie <dj@redhat.com>
8729 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8730 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8731 so that constant shifts can be split.
8732 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8733 (m32c_valid_pointer_mode): Make static.
8734 (shift_gen_func_for): New.
8735 (m32c_prepare_shift): Use it. Split large const shifts into
8737 * config/m32c/predicates.md (shiftcount_operand): Allow more
8739 (longshiftcount_operand): New.
8740 * doc/md.texi (Machine Constraints): Document In6.
8742 2006-01-13 Ben Elliston <bje@au.ibm.com>
8744 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8745 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8748 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8750 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8751 to try to avoid clobbering pieces of structures when we know
8752 something about the whole structure.
8753 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8755 2006-01-13 Ben Elliston <bje@au.ibm.com>
8757 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8758 return in memory, as this is no limitation is no longer present.
8760 2006-01-12 DJ Delorie <dj@redhat.com>
8762 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8763 mova with fb, and for fb+0 -> An.
8765 * config/m32c/mov.md (peephole2): Fix enabling logic.
8767 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8768 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8769 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8770 FINI_ARRAY_SECTION_ASM_OP): Define.
8772 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8774 (m32c_legitimize_reload_address): New logic to reload FB to An.
8775 (m32c_output_reg_push): Add newline.
8776 (m32c_output_reg_pop): Likewise.
8778 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8780 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8782 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8784 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8786 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8788 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8791 2006-01-11 Ben Elliston <bje@au.ibm.com>
8793 * rtlanal.c (find_reg_note): Assert insn is not null.
8795 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8797 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8800 2006-01-11 Jeff Law <law@redhat.com>
8802 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8804 (mark_threaded_blocks, register_jump_thread): New functions.
8805 (thread_through_all_blocks): Remove unwanted argument. No
8806 longer rely on e->aux to communicate thread target info.
8807 Call mark_threaded_blocks. Release the threaded_blocks
8808 bitmap and threaded_edges vector when complete.
8809 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8810 (threaded_blocks): Remove.
8811 (tree_ssa_dominator_optimize): Remove initialization and
8812 finalization of threaded_blocks. Simplify call to
8813 thread_through_all_blocks.
8814 (thread_across_edge): Call register_jump_thread rather than
8815 storing thread information into e->aux.
8816 (free_all_edge_infos): Simplify now that e->aux is no longer
8817 used to communicate with thread_through_all_blocks.
8818 * tree-flow.h (thread_through_all_blocks): Update prototype.
8819 (register_jump_thread): Prototype.
8821 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8823 * df-core.c (df_compact_blocks, df_bb_replace): Use
8824 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8826 2006-01-11 Richard Guenther <rguenther@suse.de>
8828 PR tree-optimization/25734
8829 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8830 stop propagation after successful propagation to the LHS.
8832 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8834 * basic-block.h (control_flow_graph): Change the type of
8835 x_basic_block_info to VEC(basic_block,gc) *.
8836 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8838 (SET_BASIC_BLOCK): New.
8839 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8840 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8841 * cfgbuild.c (find_basic_blocks): Likewise.
8842 * cfglayout.c (fixup_reorder_chain): Likewise.
8843 * cfgrtl.c (create_basic_block_structure,
8844 rtl_create_basic_block): Likewise.
8845 * ifcvt.c (find_if_case_1): Likewise.
8846 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8849 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8851 * Makefile.in: Removed rotted odf.c entry.
8853 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8856 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8857 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8858 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8859 output pattern modifier, not %e.
8860 * config/cris/cris.c (cris_op_str): Update comment about pattern
8862 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8863 before falling through into...
8864 <case 'E'>: Redefined from old 'e' case.
8866 2006-01-11 Jan Hubicka <jh@suse.cz>
8869 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8871 2006-01-11 Jan Hubicka <jh@suse.cz>
8873 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8874 * i386.c (x86_decompose_lea): Kill.
8875 (ix86_rtx_costs): Kill.
8877 2006-01-11 Jan Hubicka <jh@suse.cz>
8879 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8880 * cgraph.h (cgraph_node): Add inline_decl.
8881 (cgraph_insert_node_to_hashtable): Declare.
8882 (save_inline_function_body): Declare.
8883 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8885 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8886 (cgraph_function_versioning): Update call of tree_function_versioning.
8887 (save_inline_function_body): New function.
8888 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8889 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8890 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8891 (cgraph_default_inline_p): Likewise.
8892 (cgraph_decide_inlining_incrementally): Likewise.
8893 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8894 (copy_bb): Kill saving; do updating of clones.
8895 (copy_cfg_body): Kill saving.
8896 (initialize_inlined-parameters): Likewise.
8897 (expand_call_inline): Likewise.
8899 (tree_function_versioning): New parameter "update_clones".
8900 (inlining_p): Kill saving.
8901 * tree-inline.h (tree_function_versioning): Update prototype.
8902 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8905 2006-01-11 Ian Lance Taylor <ian@airs.com>
8907 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8908 Allow undoing set of machine mode.
8909 (do_SUBST): Use enums instead of is_int.
8910 (do_SUBST_MODE): New function.
8911 (SUBST_MODE): New macro.
8912 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8913 reg and trying to replace reg_regno_rtx with a new register.
8914 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8915 (simplify_set): Use SUBST_MODE.
8916 (distribute_notes): Remove code that tried to update reg notes
8917 for regno_reg_rtx changes.
8919 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8921 PR tree-optimization/23109
8922 PR tree-optimization/23948
8923 PR tree-optimization/24123
8925 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8926 * tree-cfg.c (single_noncomplex_succ): New.
8927 * tree-flow.h (single_noncomplex_succ): Declare it.
8928 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8929 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8930 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8931 insert_bb, register_division_in, insert_reciprocals,
8932 replace_reciprocal, free_bb): New.
8933 (execute_cse_reciprocals_1): Rewritten.
8934 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8935 Do not commit any edge insertion. Always compute dominators and
8936 create the allocation pool.
8937 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8938 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8939 * targhooks.c (default_min_divistions_for_recip_mul): New.
8940 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8941 * passes.c (init_optimization_passes): Run recip after tree loop
8943 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8945 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8946 Kenneth Zadeck <zadeck@naturalbridge.com>
8948 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8949 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8950 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8951 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8952 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8953 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8954 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8955 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8956 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8957 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8958 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8959 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8960 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8961 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8962 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8963 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8964 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8965 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8966 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8967 DF_SCAN_POST_ALLOC): New macros.
8968 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8969 df_free_bb_function, df_local_compute_function, df_init_function,
8970 df_dataflow_function, df_confluence_function_0,
8971 df_confluence_function_n, df_transfer_function,
8972 df_finalizer_function, df_free_function, df_dump_problem_function,
8973 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8974 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8975 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8976 df_urec_bb_info, ) New types.
8977 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8979 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8980 df_analyze_simple_change_some_blocks,
8981 df_analyze_simple_change_one_block, df_compact_blocks,
8982 df_bb_replace, df_bb_regno_last_use_find,
8983 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8984 df_insn_regno_def_p, df_find_def, df_find_use,
8985 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8986 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8987 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8988 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8989 debug_df_chain, df_get_dependent_problem, df_chain_create,
8990 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8991 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8992 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8993 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8994 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8995 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8996 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8997 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8998 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8999 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9000 df_reorganize_refs, df_set_state, df_hard_reg_init,
9001 df_read_modify_subreg_p) New public functions.
9002 * df-core.c: The core dataflow solver and glue routines for rtl
9004 (df_init, df_add_problem, df_set_blocks, df_finish,
9005 df_hybrid_search_forward, df_hybrid_search_backward,
9006 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9007 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9008 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9009 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9010 df_reg_defined, df_find_use, df_reg_used, df_dump,
9011 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9012 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9013 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9014 debug_df_useno, reset_df_after_reload): New functions.
9015 * df-scan.c: The scanning fuctions, once in df.c, completely
9016 rewritten so that they now fully model the functionality of
9017 register usage at the backend.
9018 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9019 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9020 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9021 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9022 df_get_artificial_defs, df_get_artificial_uses,
9023 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9024 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9025 df_refs_delete, df_reorganize_refs, df_set_state,
9026 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9027 df_def_record_1, df_defs_record, df_uses_record,
9028 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9029 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9030 df_record_exit_block_uses, df_hard_reg_init): New functions.
9032 * df-problems.c: Seven concrete dataflow problems that use the
9033 scanning in df-scan.c and are solved by the engine in df-core.c.
9034 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9035 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9036 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9037 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9038 df_ru_free_bb_info, df_ru_alloc,
9039 df_ru_bb_local_compute_process_def,
9040 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9041 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9042 df_ru_transfer_function, df_ru_free, df_ru_dump,
9043 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9044 df_rd_free_bb_info, df_rd_alloc,
9045 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9046 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9047 df_rd_transfer_function, df_rd_free, df_rd_dump,
9048 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9049 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9050 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9051 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9052 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9053 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9054 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9055 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9056 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9057 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9058 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9059 df_urec_mark_reg_use_for_earlyclobber,
9060 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9061 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9062 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9063 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9064 df_chain_create_bb_process_use, df_chain_create_bb,
9065 df_chain_finalize, df_chain_free, df_chains_dump,
9066 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9067 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9068 df_reg_lifetime): New functions.
9069 * df.c: Deleted file.
9070 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9071 consistent with new df api.
9072 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9073 rest_of_handle_sms): Ditto.
9074 * web.c (unionfind_union, union_defs, entry_register, web_main):
9076 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9077 invariant_expr_equal_p, find_defs, check_dependencies,
9078 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9079 free_inv_motion_data, move_loop_invariants): Ditto.
9080 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9081 Update dependencies.
9082 (odf.c): Added defective entry that was deleted later in day.
9083 * sched-deps.c (sched_analyze_1): Ditto.
9085 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9087 * tree-ssa-operands.c (get_expr_operands): Record addressable
9088 variables directly. Do not call add_stmt_operands for CONST_DECLs
9090 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9091 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9093 2006-01-11 Ben Elliston <bje@au.ibm.com>
9095 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9096 function returns true in the positive case.
9098 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9101 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9102 for SI, DI, SF and DF modes. Add alternatives to copy between
9103 general and floating point registers to the 32-bit patterns.
9104 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9105 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9106 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9107 generating 64-bit code.
9108 * config/pa/pa.c (output_move_double): Handle copies between general
9109 and floating registers.
9111 2006-01-10 Stuart Hastings <stuart@apple.com>
9113 * config/i386/i386.md (set_got): Update.
9114 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9115 (builtin_setjmp_receiver): Mach-O support.
9116 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9117 (GOT_SYMBOL_NAME): Define.
9118 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9119 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9120 * config/i386/i386.c (override_options): Revise for Darwin.
9121 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9122 support. (darwin_x86_file_end): New. (output_set_got): Add label
9123 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9124 * config/i386/i386-protos.h (output_set_got): Likewise.
9125 * config/darwin.c (machopic_legitimize_pic_address): Update
9128 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9130 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9131 when MODE isn't BLKmode.
9133 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9135 PR rtl-optimization/25367
9136 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9138 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9141 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9142 for a negative bound.
9144 2006-01-10 Richard Guenther <rguenther@suse.de>
9146 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9147 Never override with anything constraint.
9149 2006-01-10 Jan Beulich <jbeulich@novell.com>
9151 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9152 256 bits when optimize_size.
9154 2006-01-10 Jan Beulich <jbeulich@novell.com>
9156 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9158 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9159 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9162 2006-01-10 Ben Elliston <bje@au.ibm.com>
9164 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9166 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9167 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9168 (USE_FP_FOR_ARG): Reject decimal float modes.
9169 (function_arg_advance): Likewise.
9170 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9171 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9172 point types in AltiVec vectors.
9173 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9174 (rs6000_libcall_value): Likewise.
9176 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9178 * config/xtensa/ieee754-df.S: New file.
9179 * config/xtensa/ieee754-sf.S: New file.
9180 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9181 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9182 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9184 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9186 * config/sh/predicates.md (binary_float_operator,
9187 binary_logical_operator, commutative_float_operator,
9188 equality_comparison_operator, greater_comparison_operator,
9189 less_comparison_operator, logical_operator,
9190 noncommutative_float_operator, shift_operator,
9191 symbol_ref_operand, unary_float_operator): Remove redundant
9194 2006-01-09 Jeff Law <law@redhat.com>
9196 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9197 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9198 now unused arguments. Callers updated.
9199 (eliminate_redundant_computations): Remove now unused arguments,
9201 (local_fold): Remove, no longer used.
9202 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9204 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9205 (simplify_cond): New function.
9206 (forward_propagate_into_cond): Call simplify_cond.
9208 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9210 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9211 (*vec_extractv2di_1_sse): New.
9213 2006-01-09 Ben Elliston <bje@au.ibm.com>
9215 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9217 2006-01-08 Richard Guenther <rguenther@suse.de>
9219 * tree-ssa-structalias.c (get_constraint_for): Remove
9221 (get_constraint_for_component_ref): Likewise.
9222 (do_deref): Likewise.
9223 (get_constraint_for): Likewise.
9224 (do_structure_copy): Likewise.
9225 (handle_ptr_arith): Likewise.
9226 (find_func_aliases): Likewise. Remove unused need_anyoffset
9229 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9230 Kaz Kojima <kkojima@gcc.gnu.org>
9232 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9233 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9234 (EXTRA_CONSTRAINT_C16): Remove.
9235 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9236 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9237 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9238 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9239 constants of SHmedia. Handle nested constant expressions of
9241 (andcosts): Fix the costs for SHmedia constants.
9242 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9243 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9244 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9245 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9246 (movv4hi_i, movv2si_i): Likewise.
9247 (movsi_const): Adjust the second operand of ior so to match with
9249 (movdi_const, movdi_const_32bit): Likewise.
9250 (movdi_const_16bit+1): Don't sign-extend LOW.
9251 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9253 (*double_shori): Fix the split condition. Use GEN_INT instead
9254 of get_int_mode calls. Mask lower 16-bit of the argument of
9256 (sym2GOTPLT): Remove.
9257 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9259 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9260 instead of EXTRA_CONSTRAINT_C16.
9262 2006-01-07 Ian Lance Taylor <ian@airs.com>
9263 David Edelsohn <edelsohn@gnu.org>
9265 PR rtl-optimization/25662
9266 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9267 for constant operands instead of simplify_gen_binary.
9268 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9269 after trying simplify_binary_operation
9271 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9273 * tree.c (iterative_hash_expr): Hash decls based on UID.
9275 2006-01-06 Eric Christopher <echristo@apple.com>
9277 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9278 (TARGET_UNWIND_EMIT): Fix spelling.
9279 * target.h (gcc_target): Add except_table_label.
9280 * except.c (output_function_exception_table): Use.
9281 * varasm.c (default_emit_except_table_label): New.
9282 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9284 (asm_out): Add here.
9285 * output.h (default_emit_except_table_label): Prototype.
9286 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9287 * config/darwin.c (darwin_emit_except_table_label): Define.
9288 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9290 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9292 PR tree-optimization/18527
9293 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9294 number_of_iterations_special, number_of_iterations_exit):
9295 Move base and step of an iv to a single structure. Add
9296 no_overflow flag, and use it in # of iterations analysis.
9297 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9298 folded_casts argument.
9299 (simple_iv): Pass base and step in a structure. Set no_overflow
9301 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9302 Evaluate expensiveness of computing # of iterations instead of
9303 the final expression.
9304 * tree-scalar-evolution.h (affine_iv): New structure.
9305 (simple_iv): Declaration changed.
9306 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9307 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9308 find_givs_in_stmt): Changed due to simple_iv change.
9310 2006-01-06 Jeff Law <law@redhat.com>
9313 * tree-cfg.c (bsi_replace): Rename final argument from
9314 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9315 change (stmt -> orig_stmt).
9316 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9317 (bsi_remove): Add new argument. Remove EH information
9319 (verify_eh_throw_table_statements): New function.
9320 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9322 * tree-optimize.c (execute_free_cfg_annotations): Verify
9323 the EH throw statement table after removing annotations.
9324 * except.h (verify_eh_throw_table_statements): Prototype.
9325 * tree-flow.h (bsi_remove): Update prototype.
9326 * tree-vrp.c (remove_range_assertions): Add new argument to
9328 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9329 * tree-complex.c (expand_complex_div_wide): Likewise.
9330 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9331 * tree-tailcall.c (eliminate_tailcall): Likewise.
9332 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9333 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9334 * tree-nrv.c (tree_nrv): Likewise.
9335 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9336 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9337 (combine_blocks): Likewise.
9338 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9339 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9340 (cleanup_control_flow): Likewise.
9341 (remove_forwarder_block): Likewise.
9342 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9343 * tree-sra.c (sra_replace): Likewise.
9344 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9345 (forward_propagate_single_use_vars): Likewise.
9346 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9347 * tree-inline.c (expand_call_inline): Likewise.
9348 * tree-vect-transform.c (vect_transform_loop): Likewise.
9349 * tree-outof-ssa.c (rewrite_trees): Likewise.
9350 * tree-cfg.c (make_goto_expr_edges): Likewise.
9351 (cleanup_dead_labels): Likewise.
9352 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9353 (bsi_move_before, bsi_move_after): Likewise.
9354 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9355 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9357 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9360 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9362 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9363 on non gimple variables. Also add checks at the top for decls and
9365 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9367 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9368 and IMAGPART_EXPR for creating MUST_DEFs.
9369 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9370 and NAME_MEMORY_TAG separately from the DECLs.
9372 2006-01-06 Richard Guenther <rguenther@suse.de>
9374 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9375 annotation, if necessary.
9376 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9377 redundant calls to update_stmt.
9378 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9381 2006-01-05 Richard Henderson <rth@redhat.com>
9383 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9385 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9387 * c-typeck.c: Update copyright date.
9389 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9391 * c-typeck.c (build_c_cast): Always warn when casting
9392 from a pointer to an integer of different size, even if
9393 the node was constant.
9395 2006-01-05 Richard Guenther <rguenther@suse.de>
9397 PR tree-optimization/22555
9398 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9399 if one structure field is an array.
9400 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9401 operands even if we found a subvar, but ignore VOPs in this
9403 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9405 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9407 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9410 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9412 2006-01-05 Richard Guenther <rguenther@suse.de>
9413 Diego Novillo <dnovillo@redhat.com>
9415 * tree-pass.h (TODO_remove_unused_locals): Define.
9416 * gimple-low.c (expand_var_p, remove_useless_vars,
9417 pass_remove_useless_vars): Remove. Update all users.
9418 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9419 (remove_unused_locals): New function.
9420 * tree-flow.h (remove_unused_locals): Declare.
9421 * passes.c (execute_todo): Call remove_unused_locals if
9422 TODO_remove_unused_locals is set.
9423 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9424 * tree-ssa-dce.c (pass_dce): Likewise.
9425 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9427 2006-01-05 Richard Guenther <rguenther@suse.de>
9429 * tree-flow.h (struct fieldoff): Decompose field to
9430 type, size and decl.
9431 * tree-ssa-alias.c (create_sft): Take type as parameter.
9432 (create_overlap_variables_for): Store type, size and decl
9433 in the fieldoff structure.
9434 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9436 (push_fields_onto_fieldstack): Likewise.
9437 (create_variable_info_for): Likewise. Use offset for the
9438 SFT name if the decl is not available.
9440 2006-01-04 Paul Brook <paul@codesourcery.com>
9442 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9444 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9446 * lambda-code.c (can_put_in_inner_loop): Relax
9448 (can_put_after_inner_loop): New function.
9449 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9450 (perfect_nestify): Change to make copies and modify uses.
9452 2006-01-04 Richard Henderson <rth@redhat.com>
9454 Merge from gomp branch:
9455 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9456 via integer constant.
9457 (pragma_lex): Remove.
9458 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9459 rather than parsing it.
9460 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9461 handle_pragma_extern_prefix): Add %< %> quotes.
9462 (registered_pragmas): New.
9463 (c_register_pragma_1): New.
9464 (c_register_pragma): Use it.
9465 (c_register_pragma_with_expansion): Likewise.
9466 (c_invoke_pragma_handler): New.
9467 (init_pragma): Use cpp_register_deferred_pragma directly for
9469 * c-pragma.h (enum pragma_kind): New.
9470 (pragma_handler): New.
9471 (c_invoke_pragma_handler): Declare.
9472 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9474 * c-common.h (c_common_pch_pragma): Update decl.
9475 * Makefile.in (c-parser.o): Update dependencies.
9476 (GTFILES): Add c-pragma.h.
9477 * c-parser.c (struct c_token): Add pragma_kind.
9478 (struct c_parser): Add in_pragma.
9479 (c_lex_one_token): Always initialize keyword and pragma_kind.
9480 Extract data for CPP_PRAGMA.
9481 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9482 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9483 Don't allow CPP_PRAGMA_EOL if in_pragma.
9484 (c_parser_consume_pragma): New.
9485 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9486 (c_parser_skip_to_end_of_parameter): Likewise.
9487 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9488 (c_parser_skip_to_pragma_eol): New.
9489 (c_parser_external_declaration): Handle CPP_PRAGMA.
9490 (c_parser_compound_statement_nostart): Likewise.
9491 (c_parser_statement_after_labels): Likewise.
9492 (c_parser_pragma): New.
9493 (pragma_lex): Likewise.
9494 (c_parser_pragma_pch_preprocess): New.
9495 (c_parser_new): Merge into ...
9496 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9498 2006-01-04 Jeff Law <law@redhat.com>
9501 * tree-cfg.c (bsi_replace): Remove the original statement
9502 from the EH throw statement table.
9504 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9506 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9507 make the prototype extern "C" and add throw ().
9510 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9511 and pos non-negative and pos + len <= 32.
9512 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9513 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9514 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9517 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9518 as well as sizes not multiple of component size.
9521 * function.c (instantiate_expr): New function.
9522 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9523 walk its DECL_VALUE_EXPR with instantiate_expr.
9525 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9526 DW_OP_deref{,_size} if address isn't going to be added.
9528 2006-01-04 Ben Elliston <bje@au.ibm.com>
9530 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9531 * config/fp-bit.c: Likewise.
9533 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9535 * dominance.c: Add comment about why we use DFS numbering
9538 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9539 Richard Henderson <rth@redhat.com>
9541 Merge from gomp-branch:
9542 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9543 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9545 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9547 PR rtl-optimization/25578
9548 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9549 pass a parameter to simplify_shift_const if changing ASHIFTRT
9552 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9554 * builtins.c (get_builtin_sync_mem): New function.
9555 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9556 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9557 Call get_builtin_sync_mem to generate mem rtx.
9559 2006-01-03 Richard Guenther <rguenther@suse.de>
9562 * stmt.c (add_case_node): Make sure to clear overflow flags
9565 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9567 Merge from gomp-branch.
9568 * config/sparc/sync.md: New file.
9569 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9570 UNSPECV_LDSTUB): New constants.
9571 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9572 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9573 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9576 2006-01-03 Roger Sayle <roger@eyesopen.com>
9578 * combine.c (reg_subword_p): New predicate to test whether the
9579 destination of a set refers to a subword/piece of a register.
9580 (try_combine): Generalize the code to merge the setting of a
9581 pseudo to a constant followed by a set of a subword of that
9582 register to a constant.
9584 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9586 * basic-block.h (control_flow_graph): Change the type of
9587 x_label_to_block_map to VEC(basic_block,gc) *.
9588 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9589 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9591 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9592 VEC(basic_block,heap) *.
9593 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9594 ssa_prop_fini): Adjust the uses of cfg_blocks.
9596 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9598 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9600 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9601 hashing trees instead of a pointer hash.
9602 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9603 compare for MEM_EXPR.
9605 PR rtl-optimization/25130
9606 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9607 when comparing MEMs for GCSE
9609 2006-01-03 Ben Elliston <bje@au.ibm.com>
9611 * targhooks.h (default_decimal_float_supported_p): Declare.
9612 * targhooks.c (default_decimal_float_supported_p): Define.
9613 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9614 `default_decimal_float_supported_p'.
9615 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9617 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9619 * combine.c (apply_distributive_law <SUBREG>): Check
9620 TRULY_NOOP_TRUNCATION.
9622 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9624 * dwarf2out.c (have_switched_text_section): Delete.
9625 (have_multiple_function_sections): New.
9626 (have_location_lists): Make 'bool'.
9627 (add_AT_loc_list): Use 'true' not '1'.
9628 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9629 (output_loc_list): Use have_multiple_function_sections.
9630 (output_ranges): Likewise.
9631 (dwarf2out_begin_function): Set have_multiple_function_sections if
9633 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9634 Check function_section rather than DECL_SECTION_NAME.
9635 (dwarf2out_finish): Use have_multiple_function_sections.
9636 Don't clear have_location_lists.
9638 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9639 Jan Hubicka <jh@suse.cz>
9641 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9642 case of conditional jump jumping to the next instruction.
9643 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9644 cases of conditional jump jumping to the next instruction.
9646 2006-01-02 Jan Hubicka <jh@suse.cz>
9648 * i386.c (*_cost): Add COSTS_N_INSNS.
9649 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9651 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9654 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9656 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9658 * config/arm/arm.c (all_fpus): Fix comment typo.
9659 * config/darwin.c: Likewise.
9660 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9661 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9662 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9664 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9666 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9667 (rs6000_split_compare_and_swapqhi): New.
9668 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9669 (sync_compare_and_swapqhi_internal): New.
9670 * config/rs6000/rs6000-protos.h: Declare.