1 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3 * dwarf2out.c (free_AT): Delete.
4 (remove_AT): Update string ref counts.
5 (remove_child_TAG): Don't call free_die.
7 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9 (prune_unused_types_walk_attribs): Reset string refcounts.
10 (prune_unused_types_update_strings): New.
11 (prune_unused_types_prune): Don't make unnecessary stores. Don't
12 call free_die. Do call prune_unused_types_update_strings.
13 (prune_unused_types): Empty debug_str_hash.
15 2006-04-17 Roger Sayle <roger@eyesopen.com>
17 * expr.c (expand_assignment): Optimize away no-op moves where the
18 source and destination are equal and have no side-effects.
20 2006-04-17 Richard Guenther <rguenther@suse.de>
23 * reload.c (push_reload): Guard calls to get_secondary_mem
26 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
28 * alias.c (reg_base_value, old_reg_base_value): Change the
29 type to VEC(rtx,gc) *.
30 (REG_BASE_VALUE, find_base_value, record_set,
31 init_alias_analysis): Use VEC instead of VARRAY.
33 * alias.c (alias_sets): Change the type to
34 VEC(alias_set_entry,gc) *.
35 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
36 VEC instead of VARRAY.
37 (last_alias_set): Remove.
39 * cgraph.h (cgraph_edge_p): New.
40 Update the prototype of cgraph_function_versioning.
41 * cgraphunit.c (cgraph_copy_node_for_versioning,
42 cgraph_function_versioning): Use VEC instead of VARRAY.
43 * ipa-cp.c (ipcp_insert_stage): Likewise.
45 2006-04-16 Roger Sayle <roger@eyesopen.com>
48 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
49 "A op B" or "A op C", we may need to convert A to the type of B and C.
51 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
53 * target.h (struct gcc_target): Add mode_rep_extended.
54 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
55 (init_num_sign_bit_copies_in_rep): Initialize it using
57 (truncate_to_mode): Use it.
58 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
59 * targhooks.h (default_mode_rep_extended): Declare it.
60 * targhooks.c (default_mode_rep_extended): Define it.
61 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
62 default_mode_rep_extended.
63 (TARGET_INITIALIZER): Include it.
64 * doc/tm.texi (Misc): Document it.
65 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
66 (mips_truncated_to_mode): New function.
68 2006-04-16 Roger Sayle <roger@eyesopen.com>
71 * expr.c (compress_float_constant): Copy the narrow constant into
72 a new pseudo before extending it to its final width.
74 2006-04-16 Roger Sayle <roger@eyesopen.com>
75 Andrew Pinski <pinskia@gcc.gnu.org>
76 Dale Johannesen <dalej@apple.com>
79 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
80 special case code to implement V8HImode and V16QImode with SSE2.
82 2006-04-15 Roger Sayle <roger@eyesopen.com>
84 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
85 trees are constructed with a suitable tree type.
87 2006-04-15 Roger Sayle <roger@eyesopen.com>
89 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
90 (integer_onep): Likewise.
91 (integer_all_onesp): Likewise.
92 (integer_pow2p): Likewise.
93 (integer_nonzerop): Likewise.
94 (real_zerop): Likewise.
95 (real_onep): Likewise.
96 (real_twop): Likewise.
97 (real_minus_onep): Likewise.
98 (int_size_in_bytes): Likewise.
99 (host_integerp): Likewise.
101 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
103 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
104 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
105 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
107 * tree-ssa-structalias.h (alias_info): Remove num_references.
109 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
111 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
112 (output_bvb patterns): Likewise.
113 * pa.c (output_bb): Use 'bb' insn for long branch case.
114 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
115 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
116 1. Correct length operand for alternatives 1 and 2.
117 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
118 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
120 2006-04-14 Roger Sayle <roger@eyesopen.com>
122 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
123 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
124 were accidentally reverted by r112959.
126 2006-04-15 Jakub Jelinek <jakub@redhat.com>
129 * except.h (eh_region_outermost): New prototype.
130 * except.c (eh_region_outermost): New function.
131 * tree-cfg.c (find_outermost_region_in_block): Use it.
133 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
135 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
137 * reload1.c (reg_equiv_memory_loc_varray): Rename to
138 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
139 (init_reload, reload): Use VEC instead of VARRAY.
140 * reload.h: Update the prototype for
141 reg_equiv_memory_loc_varray.
143 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
144 Eric Botcazou <ebotcazou@libertysurf.fr>
146 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
149 2005-04-13 Uros Bizjak <uros@kss-loka.si>
152 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
153 to expand fallback builtin function call.
155 2006-04-14 Alan Modra <amodra@bigpond.net.au>
158 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
159 and emit libcall here in case the builtin fails.
160 (expand_builtin_strcmp): Always emit the libcall here on failure.
162 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
164 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
165 * flow.c (reg_n_info): Change the type to
166 VEC(reg_info_p,heap) *.
167 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
169 * regs.h (reg_info_p): New.
170 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
171 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
172 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
175 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
177 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
179 * params.h (MAX_SCHED_READY_INSNS): New macro.
180 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
181 past MAX_SCHED_READY_INSNS during the first scheduling pass.
182 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
183 the ready list for 1 cycle during the first scheduling pass.
184 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
186 2006-04-13 Richard Henderson <rth@redhat.com>
189 * gimple-low.c (lower_omp_directive): Remove dead code.
190 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
191 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
192 * omp-low.c (struct omp_region): Move to tree-flow.h.
193 (root_omp_region): Export.
194 (omp_regions, lookup_omp_region): Remove.
195 (determine_parallel_type): Update for struct omp_region changes.
196 (dump_omp_region): Dump regions with block numbers.
197 (new_omp_region): Take type and block instead of stmt; malloc
199 (free_omp_region_1, free_omp_regions): New.
200 (expand_parallel_call): Take entry_stmt as argument; update for
201 changes to omp_region.
202 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
203 (remove_exit_barriers): New.
204 (expand_omp_parallel): Update for struct omp_region changes.
205 (expand_omp_synch): Likewise.
206 (expand_omp): Likewise.
207 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
208 (expand_omp_for_static_chunk): Likewise.
209 (expand_omp_for): Likewise.
210 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
211 (expand_omp_sections): Similarly, with GOMP_sections_end.
212 (expand_omp_single): New.
213 (build_omp_regions_1): Update for OMP_CONTINUE.
214 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
215 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
216 OMP_SECTIONS_SECTIONS.
217 (lower_omp_single_simple): Don't emit barrier here.
218 (lower_omp_single_copy): Likewise.
219 (lower_omp_single): Fix bindings, and lower to straightline now.
220 (lower_omp_master, lower_omp_ordered): Likewise.
221 (lower_omp_critical): Likewise.
222 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
223 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
224 omp edges, free it afterward.
225 (make_omp_sections_edges): Remove.
226 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
227 (move_stmt_r): Handle OMP_CONTINUE.
228 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
229 statement pointers to basic blocks. Add type member.
230 (root_omp_region, new_omp_region, free_omp_regions): Declare.
231 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
232 * tree-inline.c (estimate_num_insns_1): Likewise.
233 * tree-pretty-print.c (dump_generic_node): Likewise.
234 * tree-ssa-operands.c (get_expr_operands): Likewise.
235 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
236 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
238 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
239 (OMP_SECTIONS_SECTIONS): Remove.
240 (OMP_SECTION_LAST): New.
241 (OMP_RETURN_NOWAIT): New.
243 2006-04-13 Roger Sayle <roger@eyesopen.com>
245 * fold-const.c (native_encode_vector, native_interpret_real):
246 Correct obvious mistakes in the previous check-in.
248 2006-04-13 Roger Sayle <roger@eyesopen.com>
250 * fold-const.c (native_encode_expr): New function to encode
251 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
252 or VECTOR_CST into a specified buffer.
253 (native_encode_int): New function.
254 (native_encode_real): New function.
255 (native_encode_complex): New function.
256 (native_encode_vector): New function.
257 (native_interpret_expr): Inverse of native_encode_expr to convert
258 a target representation into an INTEGER_CST, REAL_CST etc...
259 (native_interpret_int): New function.
260 (native_interpret_real): New function.
261 (native_interpret_complex): New function.
262 (native_interpret_vector): New function.
263 (fold_view_convert_expr): New function to constant fold/evaluate
264 a VIEW_CONVERT_EXPR of a suitable constant expression.
265 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
266 Change call of build1 to fold_build1 when constructing a
269 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
270 Ulrich Weigand <uweigand@de.ibm.com>
273 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
276 2006-04-13 Alan Modra <amodra@bigpond.net.au>
279 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
280 optimize to lo_sum for DFmode if !TARGET_FPRS.
282 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
284 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
285 delete_alias_info, compute_flow_sensitive_aliasing,
286 group_aliases): Use VEC instead of VARRAY.
287 * tree-ssa-structalias.c (update_alias_info): Likewise.
288 * tree-ssa-structalias.h (alias_info): Change the type of
289 processed_ptrs to VEC(tree,heap) *.
291 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
294 * config/sh/lib1funcs.h: New file, broken out of:
295 * config/sh/lib1funcs.asm.
296 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
298 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
299 * config/sh/lib1funcs-Os-4-200.asm: New file.
300 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
301 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
302 (EXTRA_MULTILIB_PARTS): Include it.
303 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
304 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
305 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
306 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
309 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
311 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
312 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
313 tpa_compact, root_var_init, type_var_init): Use VEC instead of
315 * tree-ssa-live.h: Include vecprim.h.
316 (tree_partition_associator_d): Change the type of
317 first_partition to VEC(int,heap) *.
318 (tpa_first_partition): Use VEC instead of VARRAY.
320 * Makefile.in (GTFILES): Move functions.h after tree.h.
321 * function.c (reset_block_changes, record_block_change,
322 check_block_change, free_block_changes): Use VEC instead of
324 * function.h (function): Change the type of
325 ib_boundaries_block to VEC(tree,gc) *.
326 * tree-inline.c (copy_cfg_body): Initialize
327 ib_boundaries_block to NULL instead of (varray_type) 0.
329 2006-04-12 Roger Sayle <roger@eyesopen.com>
331 * expr.c (emit_group_store): Correct operand order in call to
332 subreg_lowpart_offset. Always create paradoxical SUBREGs with
333 a SUBREG_BYTE of zero.
335 2006-04-12 Richard Guenther <rguenther@suse.de>
337 * profile.c (compute_branch_probabilities): Remove code
338 encapsulated in !ir_type (), which are remanents of the
339 removed RTL profiling code.
340 * rtl-profile.c: Remove.
342 2006-04-12 Alan Modra <amodra@bigpond.net.au>
344 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
345 magic NULL_RTX comment.
346 (function_arg): Store entire fp arg to mem if any part should go
348 (rs6000_arg_partial_bytes): Adjust for above change.
350 2006-04-11 Roger Sayle <roger@eyesopen.com>
352 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
353 if it hasn't been initialized by dwarf2out_init.
355 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
357 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
358 symbolic constants in branch patterns.
360 2006-04-11 Roger Sayle <roger@eyesopen.com>
362 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
364 2006-04-11 Richard Sandiford <richard@codesourcery.com>
366 PR rtl-optimization/27073
367 * gcse.c (try_replace_reg): Revert last change. Continue to search
368 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
371 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
373 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
374 aggregate types other than record and union types.
375 (function_arg): Likewise.
376 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
378 (function_value): In 64-bit mode, return objects that require it
381 2006-04-11 Roger Sayle <roger@eyesopen.com>
383 * dwarf2out.c (premark_used_types): Remove problematic prototype.
385 2006-04-11 Jakub Jelinek <jakub@redhat.com>
387 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
389 2006-04-03 Jeff Law <law@redhat.com>
392 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
393 alias information too.
395 2006-04-10 Mike Frysinger <vapier@gentoo.org>
397 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
399 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
402 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
403 (premark_used_types_helper): New.
404 (premark_used_types): New.
405 (gen_subprogram_die): Call premark_used_types.
406 (prune_unused_types_walk): Do not prune perennial dies.
407 * function.c (used_types_insert): New.
408 * function.h (struct function): Add used_types_hash field.
409 (used_types_insert): Add prototype.
410 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
411 * c-parser.c (c_parser_cast_expression): Save casted types in used
414 2006-04-11 Mark Mitchell <mark@codesourcery.com>
417 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
418 rs6000_explicit_options.float_gprs.
420 2006-04-10 Roger Sayle <roger@eyesopen.com>
422 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
423 from ix86_expand_vector_init_low_nonzero. Take an additional
424 one_var argument indicating which element is non-zero. Support
425 one_var != 0 for V4SFmode and V4SImode by permuting the result.
426 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
427 with one_var instead of ix86_expand_vector_init_low_nonzero.
429 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
431 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
432 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
433 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
434 build/genextract.o): Depend on vecprim.h.
435 * cfglayout.c, df-problems.c, function.c, genextract.c,
436 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
437 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
441 2006-04-10 Geoffrey Keating <geoffk@apple.com>
443 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
444 Declare VECs of this type.
445 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
446 (remove_children): Delete.
447 (add_dwarf_attr): Use VEC routines.
448 (add_AT_flag): Update for changes to add_dwarf_attr.
449 (add_AT_int): Likewise.
450 (add_AT_unsigned): Likewise.
451 (add_AT_long_long): Likewise.
452 (add_AT_vec): Likewise.
453 (add_AT_string): Likewise.
454 (add_AT_die_ref): Likewise.
455 (add_AT_fde_ref): Likewise.
456 (add_AT_loc): Likewise.
457 (add_AT_loc_list): Likewise.
458 (add_AT_addr): Likewise.
459 (add_AT_lbl_id): Likewise.
460 (add_AT_lineptr): Likewise.
461 (add_AT_macptr): Likewise.
462 (add_AT_offset): Likewise.
463 (add_AT_range_list): Likewise.
464 (get_AT): Use VEC_iterate.
465 (remove_AT): Use VEC_ordered_remove.
466 (free_die): Fold remove_children into here; have it use VEC_iterate.
467 (print_die): Use VEC_iterate on attrs.
468 (reverse_die_lists): Don't reverse attr lists.
469 (die_checksum): Use VEC_iterate on attrs.
470 (same_die_p): Likewise.
471 (output_location_lists): Likewise.
472 (build_abbrev_table): Likewise.
473 (size_of_die): Likewise.
474 (unmark_all_dies): Likewise.
475 (output_abbrev_section): Likewise.
476 (output_die): Likewise.
477 (prune_unused_types_walk_attribs): Likewise.
479 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
481 * doc/install.texi (*-*-solaris2*): Point to the configure page.
483 2006-04-10 Jakub Jelinek <jakub@redhat.com>
486 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
488 2006-04-09 Roger Sayle <roger@eyesopen.com>
490 * expr.c (store_constructor): Don't bother clearing target if
491 we're about to assign a vector to it using vec_init_optab.
493 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
495 * tree-ssa-alias.c (lhs_may_store_to): New function.
496 (recalculate_used_alone): Handle LHS of calls.
498 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
502 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
503 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
504 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
505 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
506 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
507 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
508 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
509 stubs. Add ".align 8" directives before all ".dword" directives.
510 (GTHREAD_USE_WEAK): Revise comment.
511 (TARGET_ATTRIBUTE_WEAK): Define.
512 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
513 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
514 * stublib.c: New file.
519 * pa.md (cbranch patterns): Revise arguments used in calls to
520 output_cbranch, output_bb and output_bvd. Add long branch length
522 (fbranch patterns): Handle long branches.
523 (jump): Revise length check. Revise arguments for output_lbranch call.
524 Add long branch length attributes.
525 (decrement_and_branch_until_zero): Add long branch length attributes.
526 (output_movb, output_parallel_addb and output_parallel_movb patterns):
527 Likewise. Revise arguments for output_parallel_addb and
528 output_parallel_movb calls.
529 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
530 output_parallel_movb and output_parallel_addb): Update prototypes.
531 * pa.c (output_cbranch): Revise arguments. Correct handling of
532 nullification in long branches.
533 (output_lbranch): Add new argument to control extraction of delay
535 (output_bb): Handle long branches.
536 (output_bvb, output_dbra, output_movb, output_parallel_movb,
537 output_parallel_addb): Likewise.
539 2006-04-09 Richard Sandiford <richard@codesourcery.com>
541 PR rtl-optimization/27073
542 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
545 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
547 * tree.h (tree_memory_tag): Add old_used_alone.
548 (SMT_OLD_USED_ALONE): New macro.
549 * tree-ssa-alias.c (recalculate_used_alone): Stop
550 marking things for renaming unnecessarily.
552 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
554 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
555 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
556 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
557 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
558 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
559 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
560 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
561 spelling convensions.
562 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
563 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
564 typos. Follow spelling conventions.
566 2006-04-07 DJ Delorie <dj@redhat.com>
568 * config/m32c/m32c.c (m32c_function_arg): Structures are always
570 (m32c_init_cumulative_args): When a function returns a structure,
571 always pass the pointer to that return area on the stack.
572 (m32c_function_arg_advance): Don't increment the parameter number
573 if we're processing the returned structure pointer.
574 (pushm_info): Reverse order of registers.
576 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
578 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
579 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
580 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
581 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
583 * tree-chrec.c (chrec_fold_multiply_poly_poly,
584 chrec_fold_multiply): Same.
585 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
586 force_expr_to_var_cost): Same.
587 * tree-mudflap.c (mf_xform_derefs_1): Same.
588 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
590 2006-04-07 David Edelsohn <edelsohn@gnu.org>
592 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
593 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
596 2006-04-07 Jan Hubicka <jh@suse.cz>
598 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
600 2006-04-07 Richard Guenther <rguenther@suse.de>
602 PR tree-optimization/26135
603 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
604 loads for store copy-prop.
605 (copy_prop_visit_stmt): Likewise.
607 2006-04-05 Robert Millan <robertmh@gnu.org>
609 * gcc/config/i386/linux.h: Add a comment to mark macros that are
610 being overriden in config/k*bsd-gnu.h.
611 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
613 * gcc/config/knetbsd-gnu.h: Ditto.
615 2006-04-06 Jan Hubicka <jh@suse.cz>
619 * coverage.c (coverage_checksum_string): Reorganize loop to not read
622 2006-04-06 Mike Stump <mrs@apple.com>
624 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
625 for HAVE_nonlocal_goto to be consistent.
626 (expand_builtin_nonlocal_goto): Likewise.
627 (expand_builtin_strcmp): Use #ifdef instead of #if
628 for HAVE_cmpstrnsi to be consistent.
630 2006-04-05 DJ Delorie <dj@redhat.com>
632 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
635 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
637 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
638 got-relative addressing for anything but SImode.
640 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
641 even if the calling function doesn't modify them.
643 2006-04-05 Richard Guenther <rguenther@suse.de>
645 PR tree-optimization/26919
646 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
647 to cgraph_estimate_size_after_inlining.
649 2006-04-05 Alan Modra <amodra@bigpond.net.au>
651 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
653 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
655 PR tree-optimization/26996
656 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
657 VECTOR_TYPE variables.
659 2006-04-05 Richard Guenther <rguenther@suse.de>
661 PR tree-optimization/26763
662 * fold-const.c (fold_comparison): Move folding of
663 PTR + CST CMP PTR + CST ...
664 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
666 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
668 * doc/install.texi (Prerequisites): Refine some wording on
669 bootstrapping and ksh.
670 Move the version numbers of DejaGnu here from the testing section
671 and fix casing of names.
672 Fix markup and clarify wording for autogen requirements.
673 Refer to GCJ instead of just java.
674 Refer to SVN instead of CVS.
675 Describe diffutils as useful instead of necessary.
676 (Downloading the source): Refer to SVN instead of CVS.
677 Adjust a link to our web site accordingly.
678 (Configuration): Fix casing of Bison.
679 (Building): Refer to SVN instead of CVS.
680 Fix a sentence on the use of Bison and remove duplicate (and
681 incorrect) version number of Bison requirement.
682 Remove one redundant list of packages needed for building.
683 (Specific): Avoid reference to CVS.
685 2006-04-04 Eric Christopher <echristo@apple.com>
687 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
688 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
689 (rs6000_handle_struct_attribute): New.
690 (rs6000_ms_bitfield_layout_p): Ditto.
692 2006-04-04 Geoffrey Keating <geoffk@apple.com>
694 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
695 NULL for dso parameter to atexit_common.
697 2006-04-04 Eric Christopher <echristo@apple.com>
699 * config/i386/i386.c (machopic_output_stub): Output \t
700 between instructions and operands.
702 2006-04-04 David Edelsohn <edelsohn@gnu.org>
704 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
705 satisfies_constraint_[IL] to explicit tests on value.
707 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
709 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
710 set_nb_iterations_in_loop): Use build_int_cst instead of
712 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
713 build_int_cst instead of convert.
715 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
717 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
718 new value 2 for incoming.
719 * function.c (expand_function_start): Call struct_value_rtx
721 * config/sparc/sparc.md: Comment updated_return.
722 * config/sparc/sparc.opt: Add -mstd-struct-return option.
723 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
724 struct return if sparc_std_struct_return and incoming is 2.
725 (print_operand): Do not adjust return if
726 sparc_std_struct_return.
728 2006-04-04 Roger Sayle <roger@eyesopen.com>
730 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
731 convert in the middle-end.
732 * expr.c (store_expr, store_constructor, get_inner_reference,
733 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
735 * tree.c (build_range_type): Likewise.
737 2006-04-04 Tom Tromey <tromey@redhat.com>
739 * doc/install.texi (Prerequisites): Mention jar.
741 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
743 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
746 2006-04-04 Matthias Klose <doko@debian.org>
748 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
750 2006-04-03 Geoffrey Keating <geoffk@apple.com>
752 * doc/extend.texi (Function Attributes): Rewrite visibility
753 attribute documentation.
754 * doc/invoke.texi (C++ Dialect Options): Rewrite
755 -fvisibility-inlines-hidden documentation to describe something
756 entirely different, although in practise compatible.
757 (Code Gen Options): Warn about system headers in -fvisibiltity=
760 * doc/extend.texi (Other Builtins): Document that
761 __builtin_nan is a compile-time constant only when its argument
764 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
766 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
767 trying to remove TRUNCATE check if all bits outside the new mode
768 are identical to the sign bit.
770 2006-04-03 Jeff Law <law@redhat.com>
772 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
773 and operand scanning in some common cases.
775 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
776 Dale Johannesen <dalej@apple.com>
779 * regclass.c (struct reg_pref): Update documentation.
780 (regclass): Set prefclass to NO_REGS if memory is the best option.
781 (record_reg_classes): Cope with a prefclass set to NO_REGS.
782 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
783 into account. For non-registers, equate an empty preferred
784 reload class to a `!' in the constraint; move the if clause to
785 do so after those that reject the insn.
786 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
788 (find_dummy_reload): Likewise.
789 * doc/tm.texi (Register Classes): Document what it means
790 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
791 * config/i386/i386.c (ix86_preferred_reload_class): Force
792 using SSE registers (and return NO_REGS for floating-point
793 constants) if math is done with SSE.
794 (ix86_preferred_output_reload_class): New.
795 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
796 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
797 * config/i386/i386.md: Remove # register preferences.
799 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
802 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
803 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
805 (instantiate_parameters_1): Convert the operands before calling
806 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
807 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
809 2006-04-02 Roger Sayle <roger@eyesopen.com>
811 * builtins.c (dummy_object): Use build_int_cst instead of convert.
812 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
814 * dojump.c (do_jump): Likewise.
815 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
816 * gimplify.c (gimple_boolify, gimplify_init_constructor,
817 gimplify_boolean_expr): Likewise.
818 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
819 * varasm.c (array_size_for_constructor): Likewise.
820 * tree-object-size.c (compute_object_offset): Likewise.
822 2006-04-02 Roger Sayle <roger@eyesopen.com>
825 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
826 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
828 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
830 PR tree-optimization/26939
831 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
833 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
835 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
836 at_stmt. Convert the type of operands before calling
837 build_polynomial_chrec.
838 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
840 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
841 (instantiate_parameters_1): Convert the type of operands before calling
842 build_polynomial_chrec.
843 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
844 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
845 reset_evolution_in_loop): Insert asserts to check the types of the
847 (chrec_type): Moved...
848 (eq_evolutions_p): Use operand_equal_p.
849 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
850 the types of the operands.
851 (chrec_type): ...here.
852 * tree-data-ref.c (create_data_ref): Convert the operands before
853 calling chrec_replace_initial_condition.
854 (same_access_functions, analyze_subscript_affine_affine,
855 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
856 (compute_subscript_distance, analyze_ziv_subscript,
857 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
858 analyze_miv_subscript): Convert the operands before calling
859 chrec_fold_minus or chrec_fold_plus.
861 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
863 * tree-data-ref.c (compute_all_dependences): Use a pointer to
864 the dependence_relations vector.
865 (compute_data_dependences_for_loop): Adjust call to
866 compute_all_dependences.
868 2006-04-01 Roger Sayle <roger@eyesopen.com>
869 Richard Henderson <rth@redhat.com>
871 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
872 gimple_boolify on the condition before calling gimplify_expr.
874 2006-03-31 Bob Wilson <bob.wilson@acm.org>
876 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
877 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
878 the frame size. Update to use the new macros.
879 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
880 * config/xtensa/ieee754-df.S: Likewise.
882 2006-03-31 Richard Henderson <rth@redhat.com>
884 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
885 (make_edges): ... here. Control fallthru creation with a local
886 variable. Do not play with fake edges.
887 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
888 (make_goto_expr_edges): Don't play with fake edges. Make for_call
891 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
893 * dwarf2.h (DW64_CIE_ID): Define.
894 * dwarf2out.c (DWARF_CIE_ID): Define.
895 (output_call_frame_info): Output 0xffffffff before standard 8-byte
896 length header. Use DWARF_CIE_ID.
897 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
898 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
900 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
902 * config/sh/linux-atomic.asm: New file.
903 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
905 2006-03-31 DJ Delorie <dj@redhat.com>
907 * config/m32c/cond.md: Set condition flags properly throughout.
908 * config/m32c/minmax.md: Likewise.
909 * config/m32c/prologue.md: Likewise.
910 * config/m32c/bitops.md: Likewise.
911 * config/m32c/muldiv.md: Likewise.
912 * config/m32c/mov.md: Likewise.
913 * config/m32c/addsub.md: Likewise.
914 * config/m32c/m32c.md: Likewise.
915 * config/m32c/jump.md: Likewise.
916 * config/m32c/shift.md: Likewise.
918 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
919 conditionally output the pattern for this.
920 * config/m32c/m32c.c (flags_needed_for_conditional): New.
921 (m32c_compare_redundant): New.
922 (m32c_output_compare): New.
923 * config/m32c/m32c-protos.h (m32c_output_compare): New.
925 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
926 dest, not src. Allow other 4-byte modes.
928 2006-03-30 Denis Chertykov <denisc@overta.ru>
930 * doc/md.texi: Refer to avr/constraints.md instead of
933 2006-03-30 Roger Sayle <roger@eyesopen.com>
935 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
936 signed vs. unsigned comparison failures on some hosts.
938 2006-03-31 Alan Modra <amodra@bigpond.net.au>
941 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
942 change to FLOAT_REGS.
944 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
945 (rs6000_override_options): Use it.
946 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
947 only for -mabi=spe/no-spe and -mabi=altivec.
949 2006-03-30 Geoffrey Keating <geoffk@apple.com>
951 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
954 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
956 * Makefile.in: Rename docdir to gcc_docdir.
958 2006-03-30 Roger Sayle <roger@eyesopen.com>
961 * expr.c (emit_group_store): Optimize group stores into a pseudo
962 register by using a paradoxical subreg to initialize the destination
963 if the first or last member of the group specifies a "low part".
965 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
968 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
969 * target.h (struct gcc_target.speculate_insn): Change type of the
970 second parameter to 'int'.
971 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
972 the second operand of the DEPS_LIST.
973 (copy_DEPS_LIST_list): Update reference to the second operand of the
975 * rtl.h (alloc_DEPS_LIST): Update signature.
976 * sched-int.h (ds_t): Change typedef to 'int'.
977 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
979 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
981 * haifa-sched.c (try_ready): Change condition to restore
982 non-speculative pattern of the instruction.
983 (process_insn_depend_be_in_spec): Code to keep probability of the
984 speculative dependence non-decreasing.
986 2006-03-30 Jie Zhang <jie.zhang@analog.com>
988 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
989 (single_move_for_movmem): ... this. Also change all uses.
990 (bfin_expand_strmov): Renamed to...
991 (bfin_expand_movmem): ... this. Also change all uses.
992 * config/bfin/bfin.md (movstrsi): Renamed to...
995 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
997 PR tree-optimization/26830
999 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1000 (copy_prop_visit_stmt): Remove write-only variable ann.
1001 (init_copy_prop): Check variable loop depth here. Do not simulate
1002 memory-tag and virtual operand PHIs except for store copy prop.
1004 2006-03-30 Richard Guenther <rguenther@suse.de>
1006 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1007 variants with double arguments.
1009 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1011 * genpreds.c (write_tm_constrs_h): Delete variable p.
1012 * genconditions.c (write_header): Add tm-constrs.h to included
1014 * genpeep.c (main): Add toplev.h to included headers.
1015 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1016 (build/genpeep.o): Add toplev.h dependency.
1017 * config/rs6000/constraints.md: Add "W" constraint.
1019 2006-03-29 Roger Sayle <roger@eyesopen.com>
1021 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1022 sizes by correctly testing whether the size fits a host integer.
1023 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1024 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1025 SImode range for the default sizetype and bitsizetype.
1027 2006-03-29 Roger Sayle <roger@eyesopen.com>
1029 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1030 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1031 quickly if the argument is already of the correct type.
1032 Call fold_build1 instead of build1. Tidy up blank lines.
1034 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1036 * genemit.c (main): Add tm-constrs.h to included headers.
1037 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1038 * genpeep.c (main): Add tm-constrs.h to included headers.
1039 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1040 (write_tm_constrs_h): this and write complete file.
1041 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1042 (write_insn_preds_c): Add tm-constrs.h to included headers.
1043 (gen_constrs): New variable.
1044 (parse_option): Parse "-c".
1045 (main): Invoke write_tm_constrs_h.
1046 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1047 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1048 (object_out_file): Add tm-constrs.h dependency.
1049 (insn-emit.o): Same.
1050 (insn-output.o): Same.
1051 (insn-peep.o): Same.
1052 (insn-preds.o): Same.
1053 (insn-recog.o): Same.
1054 (tm-constsr.h): New target.
1055 (s-constrs-h): New target.
1057 * config/rs6000/constraints.md: New file.
1058 * config/rs6000/rs6000.c: Include tm-constrs.h.
1059 (num_insn_constant_wide): Convert to satisfies_constraint.
1060 (rs6000_rtx_costs): Convert to satisfies_constraint.
1061 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1062 (CONST_OK_FOR_LETTER_P): Delete.
1063 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1064 (EXTRA_CONSTRAINT): Delete.
1065 (EXTRA_MEMORY_CONSTRAINT): Delete.
1066 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1067 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1068 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1069 satisfies_constraint.
1071 * config/i386/i386.c: Include tm-constrs.h.
1073 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1075 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1076 * tree-data-ref.c (find_data_references_in_loop,
1077 compute_data_dependences_for_loop): Use pointers to VEC.
1078 (analyze_all_data_dependences): Adjust calls.
1079 * tree-data-ref.h (find_data_references_in_loop,
1080 compute_data_dependences_for_loop): Adjust declarations.
1081 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1082 compute_data_dependences_for_loop.
1084 2006-03-29 Paul Brook <paul@codesourcery.com>
1086 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1089 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1091 PR tree-optimization/26859
1092 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1094 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1095 for the step after fold_convert.
1097 2006-03-29 Paul Brook <paul@codesourcery.com>
1099 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1100 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1102 2006-03-29 Paul Brook <paul@codesourcery.com>
1105 * targhooks.c (default_narrow_bitfield): New fuction.
1106 * targhooks.h (default_narrow_bitfield): add prototype.
1107 * target.h (gcc_target): Add narrow_volatile_bitfield.
1108 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1109 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1110 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1111 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1113 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1115 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1117 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1118 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1119 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1120 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1121 (s390_function_arg_float): Allow SDmode and DDmode values to be
1122 passed in floating point registers.
1123 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1124 check with SCALAR_FLOAT_MODE_P.
1125 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1127 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1129 PR tree-optimization/25985
1130 * tree-ssa-loop-niter.c (number_of_iterations_le,
1131 number_of_iterations_ne): Make comments more precise.
1132 (number_of_iterations_cond): Add only_exit argument. Use the
1133 fact that signed variables do not overflow only when only_exit
1135 (loop_only_exit_p): New.
1136 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1137 number_of_iterations_cond.
1139 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1141 PR tree-optimization/26643
1142 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1145 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1147 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1148 (divsi3_i4_int): Likewise.
1150 2006-03-28 Roger Sayle <roger@eyesopen.com>
1152 * expr.c (emit_group_store): Only create a new pseudo reg if the
1153 quantity it needs to hold isn't already a suitable pseudo.
1155 2006-03-28 Jeff Law <law@redhat.com>
1157 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1158 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1160 2006-03-28 Roger Sayle <roger@eyesopen.com>
1162 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1163 the equivalent ~X & Y, and the symmetry related transformations.
1164 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1165 ~X & Y, and symmetry related transforms.
1167 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1169 Revert my 2006-03-27 patches.
1171 2006-03-28 Roger Sayle <roger@eyesopen.com>
1173 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1174 ~(T1)X, when T1 and T2 are integer types of the same precision
1175 and (T2)X isn't an extension.
1177 2006-03-28 Jeff Law <law@redhat.com>
1179 PR tree-optimization/26796
1180 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1181 need EH edge cleanups rather than purging them immediately.
1182 (eliminate_degenerate_phis): Handle queued EH cleanups.
1184 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1186 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1189 2006-03-27 Roger Sayle <roger@eyesopen.com>
1192 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1193 cast BIT_NOT_EXPR operand to the correct type.
1195 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1197 * tree-loop-linear.c: Don't include varray.h.
1198 (gather_interchange_stats, try_interchange_loops,
1199 linear_transform_loops): Use VEC instead of VARRAY.
1200 * lambda-mat.c: Don't include varray.h.
1201 * tree-chrec.c: Same.
1202 * lambda-trans.c: Same.
1203 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1204 VEC instead of VARRAY.
1205 * tree-vectorizer.h: Idem.
1206 * tree-data-ref.c (dump_data_references,
1207 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1208 initialize_data_dependence_relation, finalize_ddr_dependent,
1209 compute_all_dependences, find_data_references_in_loop,
1210 compute_data_dependences_for_loop, analyze_all_data_dependences,
1211 free_dependence_relation, free_dependence_relations,
1212 free_data_refs): Idem.
1213 * tree-data-ref.h (data_reference_p, subscript_p): New.
1214 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1215 VEC instead of VARRAY.
1216 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1217 (find_data_references_in_loop, compute_data_dependences_for_loop,
1218 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1219 dump_data_dependence_relations, free_dependence_relations,
1220 free_data_refs): Adjust declaration.
1221 (lambda_transform_legal_p): Move declaration here...
1222 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1223 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1224 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1225 vect_analyze_data_refs): Use VEC instead of VARRAY.
1226 * lambda.h (lambda_transform_legal_p): ...from here.
1227 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1228 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1229 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1230 tree-chrec.o): Don't depend on VARRAY_H.
1232 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1234 * rtl.def (Copyright): Update date.
1235 (DEPS_LIST): Change type of the second operand to 'int'.
1236 * target.h (Copyright): Update date.
1237 (struct gcc_target.speculate_insn): Change type of the second parameter
1239 * lists.c (Copyright): Update date.
1240 (alloc_DEPS_LIST): Change signature. Update reference to the second
1241 operand of the DEPS_LIST.
1242 (copy_DEPS_LIST_list): Update reference to the second operand of the
1244 * rtl.h (Copyright): Update date.
1245 (alloc_DEPS_LIST): Update signature.
1246 * sched-int.h (Copyright): Update date.
1247 (ds_t): Change typedef to 'int'.
1248 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1250 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1252 * haifa-sched.c (Copyright): Update date.
1253 (try_ready): Change condition to restore non-speculative pattern
1255 (process_insn_depend_be_in_spec): Code to keep probability of the
1256 speculative dependence non-decreasing.
1258 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1260 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1261 shut up the compiler.
1263 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1265 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1266 to use lib prefix for target.
1267 ($(T)libic_invalidate_array_4-200.a): Likewise.
1268 ($(T)libic_invalidate_array_4a.a): Likewise.
1270 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1271 J"orn Rennecke <joern.rennecke@st.com>
1273 * superh.opt: New file.
1274 * sh.c (boardtype, osruntime): Remove.
1275 * superh.h (SUBTARGET_OPTIONS): Remove.
1276 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1278 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1279 arguments with ^ and/or [].
1281 * config.gcc (sh-*-*): Add quoting to account for quirk of
1283 Replace == with = in enable_incomplete_targets test.
1285 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1286 with MASK_LITTLE_ENDIAN.
1288 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1289 * config/sh/sh.opt: Added to some comments.
1290 * config/sh/superh.h: Removed some chaff.
1292 * config/sh/sh.opt: Add m4-[1234]00* options.
1293 * config/sh/sh.c (sh_handle_option): Likewise.
1294 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1295 (ic_invalidate_array_4-100.o): New rule.
1296 ($(T)libic_invalidate_array_4-100.a): Likewise.
1297 (ic_invalidate_array_4-200.o): Likewise.
1298 ($(T)libic_invalidate_array_4-200.a): Likewise.
1299 (ic_invalidate_array_4a.o): Likewise.
1300 ($(T)libic_invalidate_array_4a.a): Likewise.
1301 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1302 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1304 * config/sh/crt1.asm: Merged in profiling code.
1305 * config/sh/superh.h (STARTFILE_SPEC): Override.
1306 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1307 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1308 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1310 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1311 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1312 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1314 * sh.opt (mpretend-cmove): New option.
1315 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1316 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1317 (movsicc): Add TARGET_PRETEND_CMOVE code.
1319 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1321 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1322 s390_class_max_nregs): New function prototypes.
1323 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1324 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1325 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1326 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1328 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1330 * dwarf2out.c (add_location_or_const_value_attribute): Call
1331 tree_add_const_value_attribute if nothing else works.
1332 (reference_to_unused): New.
1333 (rtl_for_decl_init): Use reference_to_unused to decide whether
1334 to output an initializer.
1336 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1339 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1340 peephole removing spe frob_di_df_2.
1342 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1344 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1345 (subscript_dependence_tester_1): Declared.
1346 (print_dir_vectors, print_dist_vectors): New.
1347 (debug_data_dependence_relation): New.
1348 (dump_data_dependence_relation): Print more details.
1349 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1350 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1351 (save_dist_v, save_dir_v, add_outer_distances,
1352 build_classic_dist_vector_1): New.
1353 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1354 Don't test for lambda_vector_lexico_pos.
1355 (same_access_functions, add_multivariate_self_dist,
1356 add_other_self_distances, dir_from_dist): New.
1357 (build_classic_dir_vector): Replace implementation almost identical to
1358 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1360 (subscript_dependence_tester_1): New.
1361 (subscript_dependence_tester): Handle the lexicographically negative
1362 distance vectors by recomputing the dependence relation.
1363 (compute_affine_dependence): Remove parameter loop_nest_depth.
1364 (compute_self_dependence): Don't call compute_subscript_distance.
1365 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1366 Add a parameter for the loop_nest.
1367 (find_loop_nest_1, find_loop_nest): New.
1368 (compute_data_dependences_for_loop): Compute the loop nest, and give
1369 up if the nest is not well formed.
1370 * tree-data-ref.h (loop_p): New.
1371 (struct data_dependence_relation): Replace size_vect field with
1372 loop_nest, a vec of loops.
1373 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1374 (DDR_LOOP_NEST): New.
1375 (print_dir_vectors, print_dist_vectors,
1376 debug_data_dependence_relation): Declared.
1377 (index_in_loop_nest): New.
1378 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1379 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1382 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1384 * simplify-rtx.c (simplify_relational_operation): Call
1385 simplify_relational_operation_1 even if mode is VOIDmode.
1387 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1389 PR tree-optimization/26804
1390 * tree.h (DECL_CALL_CLOBBERED): New macro.
1391 (tree_decl_common): Add call_clobbered_flag.
1392 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1393 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1394 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1395 (mark_non_addressable): Ditto.
1396 * tree-ssa.c (verify_call_clobbered): New function.
1397 (verify_alias_info): Use it.
1398 * tree-pass.h (pass_reset_cc_flags): New prototype.
1399 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1400 (reset_cc_flags): New function.
1401 * passes.c (init_optimization_passes): Call reset_cc_flags after
1402 initializing referenced_vars.
1404 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1405 Roger Sayle <roger@eyesopen.com>
1408 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1409 to 1.0 for non-real operands. Implement A / A optimization for
1412 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1414 * config/i386/i386.c (size_cost): Correct the comment for
1415 cost of storing fp registers.
1416 (i386_cost): Likewise.
1417 (i486_cost): Likewise.
1418 (pentium_cost): Likewise.
1419 (pentiumpro_cost): Likewise.
1420 (k6_cost): Likewise.
1421 (athlon_cost): Likewise.
1422 (k8_cost): Likewise.
1423 (pentium4_cost): Likewise.
1424 (nocona_cost): Likewise.
1425 (generic64_cost): Likewise.
1426 (generic32_cost): Likewise.
1428 2006-03-24 Denis Chertykov <denisc@overta.ru>
1430 * config/avr/avr-protos.h (extra_constraint): Delete.
1431 (extra_constraint_Q): New declaration.
1432 * config/avr/constraints.md: New file.
1433 * config/avr/avr.md: Include it.
1434 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1435 (TMP_REGNO, ZERO_REGNO): Likewise.
1436 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1437 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1438 (extra_constraint): Delete.
1439 (extra_constraint_Q): Test for memory constraint 'Q'.
1440 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1441 (REG_CLASS_FROM_LETTER): Delete.
1442 (CONST_OK_FOR_LETTER_P): Delete.
1443 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1444 (EXTRA_CONSTRAINT): Delete.
1445 (TMP_REGNO): Delete.
1446 (ZERO_REGNO): Delete.
1448 2006-03-24 Jeff Law <law@redhat.com>
1450 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1451 directly. Call mark_new_vars_to_rename slightly earlier.
1453 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1455 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1457 (gen_compile_unit_die): Use new language types for Objective-C and
1459 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1460 DW_LANG_C_plus_plus.
1463 * config/t-darwin (crt3.o): Work around bug 26840.
1464 * config/darwin-crt3.c: Rewrite.
1465 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1467 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1469 * doc/invoke.texi: Document -femit-class-debug-always
1470 * common.opt: Add -femit-class-debug-always.
1472 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1474 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1475 index and base register.
1476 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1477 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1478 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1479 REGNO_OK_FOR_INDEX_P.
1480 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1482 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1483 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1484 REG_OK_FOR_BASE_P): Definitions removed.
1486 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1489 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1490 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1491 set yet or weren't marked as local yet.
1493 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1495 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1498 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1500 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1501 (rs6000_legitimate_small_data_p): Delete.
1502 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1503 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1504 and make static. Add forward declaration. Update uses.
1505 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1506 of offsettable_memref_p.
1507 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1508 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1510 2006-03-24 Jeff Law <law@redhat.com>
1512 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1513 around bug in immediate-use iterator.
1515 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1518 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1519 or __LITTLE_ENDIAN__.
1521 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1523 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1524 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1525 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1526 * config/sh/sh.opt (mdiv=): Amend description.
1527 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1528 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1529 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1530 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1531 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1532 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1533 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1534 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1535 TARGET_DIVIDE_CALL_FP.
1537 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1539 * haifa-sched.c (choose_ready): Fix type of the local variable.
1540 Move local variables. Add comment.
1541 (check_reg_live): Change signature. Make callable from debugger.
1542 * sched-int.h (check_reg_live): Update signature.
1543 * sched-ebb.c (check_reg_live): Update parameters.
1544 * sched-rgn.c (check_reg_live): Ditto.
1545 (region_head_or_leaf_p): Check pointer before dereferencing.
1546 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1547 before reload on optimization levels below 1.
1549 2006-03-23 Richard Henderson <rth@redhat.com>
1551 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1555 * config/alpha/predicates.md (local_symbolic_operand): Reject
1558 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1561 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1562 expressions which have overflowed constants.
1564 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1566 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1568 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1570 * cfgloopmanip.c (create_loop_notes): Removed.
1571 * final.c (final_scan_insn): Do not handle loop notes.
1572 * jump.c (squeeze_notes): Ditto.
1573 * cfglayout.c (skip_insns_after_block,
1574 duplicate_insn_chain): Ditto.
1575 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1577 * cfgloop.h (create_loop_notes): Declaration removed.
1579 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1581 * varasm.c (output_constant_pool): Restore fnname and fndecl
1583 (assemble_start_function): Adjust call accordingly.
1584 (assemble_end_function): Likewise.
1586 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1589 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1592 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1594 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1597 * system.h (ICE_EXIT_CODE): New macro.
1598 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1599 (diagnostic_action_after_output): Likewise.
1600 * gcc.c (fatal_ice): New function.
1601 (execute): Use it instead of fatal.
1602 (fancy_abort): Likewise.
1603 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1605 2006-03-22 Jeff Law <law@redhat.com>
1607 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1608 iv_analyze_result returning false.
1610 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1612 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1614 2006-03-22 Richard Henderson <rth@redhat.com>
1617 * except.c (duplicate_eh_regions_0): New.
1618 (duplicate_eh_region_1): Duplicate the children of the node as
1619 well as the node itself. Link them up properly.
1620 (duplicate_eh_region_2): Merge into ...
1621 (duplicate_eh_regions): ... here. Take copy_region argument, and
1622 copy only a sub-tree if asked. Simplify copying and fixup.
1623 (eh_region_outer_p): New.
1624 * except.h (duplicate_eh_regions): Update decl.
1625 (eh_region_outer_p): Declare.
1626 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1627 (lower_omp_master): Likewise.
1628 (lower_omp_ordered): Likewise.
1629 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1630 (move_stmt_r): Use it to remap labels. Handle recursion vs
1631 remap_decls_p properly.
1632 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1633 (find_outermost_region_in_block): New.
1634 (new_label_mapper): New.
1635 (move_sese_region_to_fn): Copy eh information to the new function
1637 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1639 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1642 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1644 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1645 into shared libraries.
1647 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1649 * doc/md.texi: Refer to i386/constraints.md instead of
1651 * config/i386/constraints.md: New file, extracted from...
1652 * config/i386/predicates.md: ...here.
1653 * config/i386/i386.md: Include constraints.md.
1655 2006-03-21 Jason Merrill <jason@redhat.com>
1657 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1660 * expr.c (init_block_move_fn): Force default visibility.
1661 (init_block_clear_fn): Likewise.
1662 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1663 * targhooks.c (default_external_stack_protect_fail): Likewise.
1665 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1667 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1668 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1669 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1670 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1671 (loadgp): Use mips_current_loadgp_style.
1672 (loadgp_noshared): New pattern.
1673 (sibcall_internal): Use MIPS_CALL.
1674 (sibcall_value_internal): Likewise.
1675 (sibcall_value_multiple_internal): Likewise.
1676 (call_internal): Likewise.
1677 (call_value_internal): Likewise.
1678 (call_value_multiple_internal): Likewise.
1679 (call_split): Use MIPS_CALL and add an 'S' constraint.
1680 (call_value_split): Likewise.
1681 (call_value_multiple_split): Likewise.
1682 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1683 (-mshared): New option.
1684 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1685 (mips_current_loadgp_style): Declare.
1686 * config/mips/mips.c (mips_classify_symbol): Avoid using
1687 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1688 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1689 TARGET_ABSOLUTE_ABICALLS.
1690 (override_options): Adjust comments. Improve the warning that is
1691 issued when -mabicalls and -G are used together.
1692 (mips_file_start): Remove comment.
1693 (mips_current_loadgp_style): New function.
1694 (mips_gnu_local_gp): New variable.
1695 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1697 (mips_output_function_prologue): Use mips_current_laodgp_style.
1698 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1699 the cprestore instruction.
1700 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1701 live for TARGET_ABSOLUTE_ABICALLS.
1702 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1703 (ASM_SPEC): Pass down -mshared and -mno-shared.
1704 (MIPS_CALL): New macro.
1705 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1707 * doc/invoke.texi (-mabicalls): Update documentation.
1708 (-mshared): Document.
1710 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1712 * config/ia64/unwind-hpux.c: New file.
1713 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1715 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1718 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1720 2006-03-21 Jeff Law <law@redhat.com>
1722 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1723 type conversions of a VR_VARYING source to a wider type.
1725 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1727 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1728 tm_file on Solaris 10 and later.
1729 (sparc64-*-solaris2*): Likewise.
1730 (sparc-*-solaris2*): Likewise.
1731 * config/sol26.h: Rename to config/sol2-6.h.
1732 * config/sol2-10.h: New file.
1734 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1737 * tree-ssa-pre.c (create_component_ref_by_pieces):
1740 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1743 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1744 return it immediately.
1746 2006-03-21 Michael Matz <matz@suse.de>
1748 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1750 (remove_arc, add_arc): Update num_out_arcs member.
1751 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1753 (cache_presence): New function.
1754 (compare_states_for_equiv): New function.
1755 (state_is_differed): Don't take number of outargs, adjust callers.
1756 Use new invariant for speeding up.
1757 (init_equiv_class): Create initial classes based on sorted
1759 (partition_equiv_class): Don't track out_arcs_num.
1760 (evaluate_equiv_classes): Call cache_presence on all states and
1763 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1765 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1766 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1767 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1768 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1770 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1771 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1772 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1773 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1774 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1776 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1777 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1778 (REGNO_REG_CLASS): ARGP is in PREGS.
1779 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1781 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1782 to deal with those addresses.
1783 * addresses.h: New file.
1784 * caller-save.c: Include "addresses.h".
1785 (init_caller_save): Use new base_reg_class function.
1786 * rtl-factoring.c: Include "addresses.h".
1787 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1788 * recog.c: Include "addresses.h".
1789 (preprocess_constraints): Use new base_reg_class function.
1790 * regrename.c: Include "addresses.h".
1791 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1792 functions. Keep track of a new var INDEX_CODE to compute valid
1794 (replace_oldest_value_addr): Likewise.
1795 (replace_oldest_value_mem): Use base_reg_class.
1796 * reload.c: Include "addresses.h".
1797 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1798 (find_reloads): Use new base_reg_class function.
1799 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1800 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1801 all callers and prototype changed.
1802 * reload1.c: Include "addresses.h".
1803 (maybe_fix_stack_asms): Use base_reg_class.
1804 * regclass.c: Include "addresses.h".
1805 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1806 (init_reg_autoinc): Use new base_reg_class function.
1807 (record_reg_classes): Likewise.
1808 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1809 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1810 Use new args to compute necessary class.
1812 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1813 regrename.o, rtl-factoring.o): Update dependencies.
1814 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1815 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1816 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1817 REG_OK_FOR_INDEX_P): Delete documentation.
1819 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1821 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1822 from V7 to V9 for Solaris 7 and above.
1824 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1826 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1827 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1828 argument pointers may not alias any other storage.
1829 * common.opt: Define option -fargument-noalias-anything.
1830 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1831 alias semantics is specified by flag_argument_noalias > 2.
1833 2006-03-20 Jeff Law <law@redhat.com>
1835 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1836 (pass_phi_only_cprop): Declare.
1837 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1839 * tree-ssa-dom.c (degenerate_phi_result): New function.
1840 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1841 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1842 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1843 (eliminate_degenerate_phis): Likewise.
1844 (pass_phi_only_cprop): New pass descriptor.
1845 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1846 support code. Callers updated.
1847 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1848 (store_copy_prop): Likewise.
1849 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1851 2006-03-20 Jason Merrill <jason@redhat.com>
1854 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1855 (push_visibility, pop_visibility): Likewise.
1856 * c-pragma.h: Declare them.
1858 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1860 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1862 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1863 parameter and use get_ebb_head_tail.
1864 (sh_md_init_global): Adjust uses of find_regmode_weight.
1866 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1868 * function.h (struct function) <x_tail_recursion_reentry>:
1869 Rename to x_stack_check_probe_note.
1870 (tail_recursion_reentry): Rename to stack_check_probe_note.
1871 * function.c: Replace tail_recursion_reentry with
1872 stack_check_probe_note everywhere.
1873 (expand_function_start): Only emit a note for
1874 stack_check_probe_note with -fstack-protect.
1875 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1877 * emit-rtl.c (remove_unnecessary_notes): Remove.
1878 (pass_remove_unnecessary_notes): Remove.
1879 * rtl.h (remove_unnecessary_notes): Remove prototype.
1880 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1881 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1882 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1884 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1887 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1888 (valid_in_set): Handle ARRAY_REF.
1889 Change "if min_variant or VH" to asserts.
1890 (create_component_ref_by_pieces): Handle ARRAY_REF.
1891 (create_expression_by_pieces): Likewise.
1892 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1894 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1896 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1897 is operand of switch, not str[0].
1899 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1901 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1902 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1904 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1906 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1907 end of insn_extra_address_constraint declaration.
1909 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1911 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1912 (no-sum-in-toc): Same.
1913 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1915 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1916 NO_FP_IN_TOC for -fPIC instead of mask.
1918 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1919 (BOOT_LDFLAGS): Delete.
1921 * config/rs6000/t-aix52: Same.
1923 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1924 (stmsi[345678]_power): New.
1926 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1928 * config/ia64/ia64.opt: Add empty line to end of file.
1930 2006-03-17 Richard Guenther <rguenther@suse.de>
1933 * builtins.c (get_pointer_alignment): For component style references
1934 adjust alignment to the component type alignment. Make sure
1935 to adjust alignment for component access of constants.
1937 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1939 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1942 2006-03-17 Paul Brook <paul@codesourcery.com>
1944 * doc/install.texi: Docuemnt --with-mode.
1945 * config.gcc: Add --with-mode for arm*-*-*.
1946 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1948 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1950 * sh.c (max_labelno_before_reorg): New variable.
1951 (sh_reorg): Initialize it.
1952 (find_barrier): Check max_labelno_before_reorg before using
1953 label_to_alignment. Take length of explicit alignment insns
1954 into account. When seeing a UNSPECV_CONST_END, return it.
1956 * sh.c (fixup_mova): Set mode of affected label to QImode.
1957 (untangle_mova): New function.
1958 (find_barrier): Use it. Check mode of label before decrementing
1960 (sh_reorg): Likewise.
1961 Set mode of all insns back to VOIDmode.
1963 * sh.c (MOVA_LABELREF): New macro.
1964 (mova_p, fixup_mova, sh_reorg): Use it.
1965 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1966 ADDR_DIFF_VEC matches mova.
1968 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1970 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1971 with ATTRIBUTE_UNUSED.
1973 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1975 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1976 pointer, instead of assuming it is possible to derive the
1977 correct args size from a call insn.
1979 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1981 * rtl.h (CONST_INT_P): Define.
1982 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1983 instead of GET_CODE(x) == CONST_INT.
1984 (vax_rtx_costs): Likewise.
1985 (vax_output_int_move): Likewise.
1986 (vax_output_int_add): Likewise.
1987 (legitimate_constant_address_p): Likewise.
1988 (index_term_p): Likewise.
1989 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1990 * config/vax/vax.md (and<mode>3): Likewise.
1991 (ashrsi3): Likewise.
1993 (movstricthi): Likewise.
1994 (movstrictqi): Likewise.
1995 (rotrsi3): Likewise.
1996 (five unnamed insns): Likewise.
1998 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2000 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2001 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2002 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2003 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2004 Pass to ASM_OUTPUT_DWARF_OFFSET.
2005 * dwarf2out.c (debug_frame_section): New.
2006 (output_call_frame_info): Use debug_frame_section. Pass it to
2007 dw2_asm_output_offset.
2008 (output_die): Pass appropriate section to dw2_asm_output_offset.
2009 (output_compilation_unit_header): Likewise.
2010 (output_pubnames): Likewise.
2011 (output_aranges): Likewise.
2012 (enum dw_val_class): Break dw_val_class_lbl_offset into
2013 dw_val_class_lineptr and dw_val_class_macptr.
2014 (add_AT_lbl_offset): Delete.
2015 (add_AT_lineptr): New.
2016 (add_AT_macptr): New.
2017 (AT_lbl): Expect a lineptr or macptr.
2018 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2019 (attr_checksum): Likewise.
2020 (same_dw_val_p): Likewise.
2021 (size_of_die): Likewise.
2022 (value_format): Likewise.
2023 (output_die): Likewise.
2024 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2026 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2027 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2028 * config/darwin-protos.h (darwin_file_start): New.
2029 (darwin_asm_output_dwarf_offset): New.
2030 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2031 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2033 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2034 if not EH section; simplify.
2035 (darwin_file_start): New.
2036 (darwin_asm_output_dwarf_offset): New.
2037 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2039 (DEBUG_INFO_SECTION): Likewise.
2040 (DEBUG_ABBREV_SECTION): Likewise.
2041 (DEBUG_ARANGES_SECTION): Likewise.
2042 (DEBUG_MACINFO_SECTION): Likewise.
2043 (DEBUG_LINE_SECTION): Likewise.
2044 (DEBUG_LOC_SECTION): Likewise.
2045 (DEBUG_PUBNAMES_SECTION): Likewise.
2046 (DEBUG_STR_SECTION): Likewise.
2047 (DEBUG_RANGES_SECTION): Likewise.
2048 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2049 (ASM_OUTPUT_DWARF_OFFSET): New.
2051 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2053 * config.gcc (tm_defines): Always add to previous value rather
2056 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2058 * config/mips/predicates.md (splittable_const_int_operand): New,
2059 split from move_operand.
2060 (splittable_symbolic_operand): New.
2061 (move_operand): Add commentary. Use splittable_const_int_operand.
2062 Inline mips_atomic_symbolic_constant_p.
2063 * config/mips/mips.md: Add combine splitters for handling moves
2064 of splittable_const_int_operands and splittable_symbolic_operands.
2065 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2066 (mips_split_symbol): Declare.
2067 (mips_move_integer): Declare.
2068 * config/mips/mips.c (mips_split_p): Make global.
2069 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2070 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2071 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2072 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2073 (mips_offset_within_object_p): Handle block symbols.
2074 (mips_atomic_symbolic_constant_p): Delete.
2075 (mips_cannot_force_const_mem): Return false for constants that
2076 mips_legitimize_move can handle.
2077 (mips_use_blocks_for_constant_p): New function.
2078 (mips_split_symbol): Make global.
2079 (mips_move_integer): Likewise. Add a temporary register argument.
2080 (mips_legitimize_const_move): Use splittable_const_int_operand and
2081 splittable_symbolic_operand.
2082 (mips_use_anchors_for_symbol_p): New function.
2083 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2084 (mips_split_p): Declare.
2086 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2088 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2089 (mips*-*-linux*): Likewise.
2091 2006-03-16 Roger Sayle <roger@eyesopen.com>
2092 Daniel Speyer <dspeyer@wam.umd.edu>
2095 * tree-dump.c (dump_real): New function.
2096 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2097 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2098 (tree-dump.o): Add $(REAL_H) to the dependencies.
2100 2006-03-16 Roger Sayle <roger@eyesopen.com>
2103 * real.c (real_from_string): If the mantissa is zero, don't bother
2104 parsing the exponent as the result should always be zero.
2106 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2108 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2110 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2112 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2113 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2114 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2115 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2116 ia64_sched_finish_global): New static functions to implement
2117 hooks from gcc_target.sched.
2118 (spec_check_no, max_uid, pending_data_specs): New static variables.
2119 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2120 ia64_spec_check_src_p): New static functions.
2121 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2122 (TARGET_SCHED_ADJUST_COST): Removed.
2123 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2124 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2125 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2126 TARGET_SCHED_GEN_CHECK,
2127 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2128 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2129 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2130 Fixed to handle speculation checks.
2131 (rtx_needs_barrier): Fixed to handle speculative loads and
2133 (ia64_variable_issue): Added code to count speculative loads and their
2135 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2137 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2139 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2141 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2142 (ia64_reorg): Reset stops_p to NULL after it is freed.
2143 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2144 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2145 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2147 (data_speculative, control_speculative, check_load): New attributes.
2148 (mov<mode>_advanced, mov<mode>_speculative,
2149 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2150 zero_extend<mode>di2_speculative,
2151 zero_extend<mode>di2_speculative_advanced): New patterns for
2152 data and control speculative loads.
2153 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2155 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2156 New pattern for data and control speculation checks.
2157 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2158 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2159 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2160 Auxiliary definitions for the patterns.
2161 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2162 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2164 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2166 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2167 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2168 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2169 New resource constraints.
2170 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2172 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2173 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2174 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2175 msched-in-control-spec, msched-ldc, msched-control-ldc,
2176 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2177 msched-prefer-non-control-spec-insns,
2178 msched-count-spec-in-critical-path): New flags to tune speculative
2180 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2181 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2182 msched-in-control-spec, msched-ldc, msched-control-ldc,
2183 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2184 msched-prefer-non-control-spec-insns,
2185 msched-count-spec-in-critical-path): Document new flags.
2187 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2189 * target.h (struct spec_info_def): New opaque declaration.
2190 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2191 speculate_insn, needs_block_p, gen_check,
2192 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2193 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2194 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2195 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2196 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2197 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2199 (TARGET_SCHED): Use new macros.
2200 * rtl.h (copy_DEPS_LIST_list): New prototype.
2201 * sched-int.h (struct sched_info): Change signature of new_ready field,
2202 adjust all initializations. New fields: add_remove_insn,
2203 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2204 region_head_or_leaf_p.
2205 (struct spec_info_def): New structure declaration.
2206 (spec_info_t): New typedef.
2207 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2208 recovery_block, orig_pat.
2209 (glat_start, glat_end): New variables declaraions.
2210 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2212 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2213 DETACH_LIFE_INFO, USE_GLAT.
2214 (enum SPEC_SCHED_FLAGS): New enumeration.
2215 (NOTE_NOTE_BB_P): New macro.
2216 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2217 attach_life_info, debug_spec_status, check_reg_live): New functions.
2218 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2219 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2221 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2222 * ddg.c (get_block_head_tail): Adjust all uses.
2223 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2224 (sms_sched_info): Initialize new fields.
2225 (contributes_to_priority): Removed.
2226 * haifa-sched.c (params.h): New include.
2227 (get_block_head_tail): Adjust all uses.
2228 (ISSUE_POINTS): New macro.
2229 (glat_start, glat_end): New global variables.
2230 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2231 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2232 old_last_basic_block, before_recovery, current_sched_info_var,
2233 rgn_n_insns, luid): New static variables.
2234 (insn_cost1): New function. Move logic from insn_cost to here.
2235 (find_insn_reg_weight1): New function. Move logic from
2236 find_insn_reg_weight to here.
2237 (reemit_notes, move_insn, max_issue): Change signature.
2238 (move_insn1): Removed.
2239 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2240 extend_bb): New static functions to support extension of scheduler's
2242 (generate_recovery_code, process_insn_depend_be_in_spec,
2243 begin_speculative_block, add_to_speculative_block,
2244 init_before_recovery, create_recovery_block, create_check_block_twin,
2245 fix_recovery_deps): New static functions to support
2246 generation of recovery code.
2247 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2248 restore_bb_notes, move_block_after_check, move_succs): New static
2249 functions to support ebb scheduling.
2250 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2251 functions to support handling of register live information.
2252 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2253 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2254 add_jump_dependencies): New static functions.
2255 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2256 consistancy checking.
2257 (debug_spec_status): New function to call from debugger.
2258 (priority): Added code to handle speculation checks.
2259 (rank_for_schedule): Added code to distinguish speculative instructions.
2260 (schedule_insn): Added code to handle speculation checks.
2261 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2262 Fixed to handle ebbs.
2263 (move_insn): Added code to handle ebb scheduling.
2264 (max_issue): Added code to use ISSUE_POINTS of instructions.
2265 (choose_ready): Added code to choose between speculative and
2266 non-speculative instructions.
2267 (schedule_block): Added code to handle ebb scheduling and scheduling of
2268 speculative instructions.
2269 (sched_init): Initialize new variables.
2270 (sched_finish): Free new variables. Print statistics.
2271 (try_ready): Added code to handle speculative instructions.
2272 * lists.c (copy_DEPS_LIST_list): New function.
2273 * sched-deps.c (extend_dependency_caches): New function. Move logic
2274 from create_dependency_caches to here.
2275 (get_dep_weak, ds_merge): Make global.
2276 * genattr.c (main): Code to output prototype for
2277 dfa_clear_single_insn_cache.
2278 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2279 (output_dfa_clean_insn_cache_func): Code to output
2280 dfa_clear_single_insn_cache function.
2281 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2283 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2285 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2286 New static variables.
2287 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2288 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2290 (ebb_sched_info): Initialize new fields.
2291 (get_block_head_tail): Adjust all uses.
2292 (compute_jump_reg_dependencies): Fixed to use glat_start.
2293 (schedule_ebb): Code to remove unreachable last block.
2294 (schedule_ebbs): Added code to update register live information.
2295 * sched-rgn.c (region_sched_info): Initialize new fields.
2296 (get_block_head_tail): Adjust all uses.
2297 (last_was_jump): Removed. Adjust users.
2298 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2299 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2300 Implement new hooks.
2301 (check_dead_notes1): New static function.
2302 (struct region): New fields: dont_calc_deps, has_real_ebb.
2303 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2304 (BB_TO_BLOCK): Fixed to handle EBBs.
2305 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2306 (ebb_head): New static variable.
2307 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2308 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2310 (compute_dom_prob_ps): New assertion.
2311 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2312 global_live_at_start.
2313 (init_ready_list): New assertions.
2314 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2315 (new_ready): Add support for BEGIN_CONTROL speculation.
2316 (schedule_insns): Fixed code that updates register live information
2318 (schedule_region): Fixed to handle EBBs.
2319 (init_regions): Use extend_regions and check_dead_notes1.
2320 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2321 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2322 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2323 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2324 TARGET_SCHED_GEN_CHECK,
2325 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2326 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2327 * doc/invoke.texi (max-sched-insn-conflict-delay,
2328 sched-spec-prob-cutoff): Document.
2330 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2332 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2333 inter_tick, queue_index.
2334 (struct sched_info): Change signature of init_ready_list field.
2335 Adjust all initializations.
2336 (RESOLVED_DEPS): New access macro.
2337 (ready_add): Remove prototype.
2338 (try_ready): Add prototype.
2339 * sched-rgn.c (init_ready_list): Use try_ready.
2340 (schedule_region): Initialize
2341 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2342 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2343 (init_ready_list): Use try_ready.
2344 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2345 * lists.c (remove_list_elem): Remove `static'.
2346 (remove_free_INSN_LIST_elem): New function.
2347 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2348 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2349 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2351 (readyp): New variable.
2352 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2353 change_queue_index, resolve_dep): New static functions.
2354 (try_ready): New function. Adjust callers in sched-rgn.c and
2355 sched-ebb.c to use it instead of ready_add.
2356 (clock_var): Move at the begining of file.
2357 (rank_for_schedule): Fix typo.
2358 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2359 (ready_lastpos): Enforce assertion.
2360 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2362 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2363 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2364 (queue_to_ready): Use free_INSN_LIST_list.
2365 (early_queue_to_ready): Fix typo.
2366 (schedule_block): Init readyp. Move init_ready_list call after the
2367 initialization of clock_var. Fix error in rejecting insn by
2368 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2369 that previously corrected INSN_TICKs. Add code for handling
2371 (set_priorities): Fix typo.
2372 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2373 Clarify comment and code that keeps current_sched_info->next_tail
2376 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2378 * sched-rgn.c (extend_rgns): New static function.
2379 (find_rgns): Use it.
2380 (gather_region_statistics, print_region_statistics): New static
2382 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2383 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2385 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2386 Andrey Belevantsev <abel@ispras.ru>
2388 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2389 * lists.c (unused_deps_list): New variable.
2390 (free_list): Add assertions to verify the proper distinguishing
2391 between INSN_LISTs and DEPS_LISTs.
2392 (find_list_elem, remove_list_elem, remove_list_node): New static
2394 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2395 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2396 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2397 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2399 (free_INSN_LIST_node): Likewise.
2400 * modulo-sched.c (current_sched_info): Initialize flags field.
2401 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2402 * rtl.def (DEPS_LIST): Define.
2403 * rtl.h: Declare new functions from lists.c.
2404 * sched-deps.c (spec_dependency_cache): New static variable.
2405 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2406 (add_dependence): Change return type to void. Move the logic to ...
2407 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2408 (delete_all_dependences): Add comment about forward_dependency_cache.
2409 Handle spec_dependency_cache. Handle DEPS_LISTs.
2410 (fixup_sched_groups): Clarify the change of priority of output
2411 and anti dependencies.
2412 (sched_analyze_2): Adjust add_dependence calls to create data
2413 speculative dependence.
2414 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2415 Adjust all callers. Handle DEPS_LISTS.
2416 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2417 presence of speculation.
2418 (init_dependency_caches, free_dependency_caches):
2419 Handle spec_dependency_cache.
2420 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2421 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2422 New static functions.
2423 (add_or_update_back_dep, add_or_update_back_forw_dep,
2424 add_back_forw_dep, delete_back_forw_dep): New functions.
2425 * sched-int.h (ds_t, dw_t): New typedefs.
2426 (struct sched_info): Add new field flags.
2427 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2428 Prototype new sched-deps.c functions.
2429 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2430 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2431 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2432 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2433 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2434 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2436 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2438 * sched-rgn.c (current_sched_info): Initialize flags field.
2439 (schedule_insns): Initialize current_sched_info before the sched_init
2441 * sched-ebb.c (current_sched_info): Initialize flags field.
2442 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2443 Call add_or_update_back_dep instead of add_dependence.
2444 Create control speculative dependencies.
2445 (schedule_insns): Initialize current_sched_info before the sched_init
2448 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2450 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2452 (sh_fallback_frame_state): Likewise.
2454 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2456 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2457 Do switch on default_use_cxa_atexit.
2458 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2459 * config/darwin-crt3.o: New.
2460 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2461 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2462 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2464 * config/rs6000/t-darwin: Move crt2.o building to here.
2465 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2466 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2469 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2471 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2472 from '! xxx' to '!xxx' for coding-style conformance.
2473 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2474 (EXTRA_CONSTRAINT): Likewise.
2475 * config/vax/vax.md (four unnamed insns): Likewise.
2477 2006-03-15 Paul Brook <paul@codesourcery.com>
2479 * config/arm/arm.c (minipool_pad): New.
2480 (add_minipool_forward_ref): Include pool alignment padding in address
2482 (push_minipool_fix): Set minipool_pad.
2483 (minipool_pad): Ditto.
2485 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2487 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2488 instead of GET_CODE() == MEM and REG_P() instead of
2490 (print_operand_address): Likewise.
2491 (vax_address_cost): Likewise.
2492 (vax_rtx_costs): Likewise.
2493 (vax_notice_update_cc): Likewise.
2494 (vax_output_int_add): Likewise.
2495 (INDEX_REGISTER_P): Likewise.
2496 (BASE_REGISTER_P): Likewise.
2497 (nonindexed_address_p): Likewise.
2498 (vax_mode_dependent_address_p): Likewise.
2499 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2500 (PRINT_OPERAND): Likewise.
2501 * config/vax/vax.md (ashlsi3): Likewise.
2502 (ashlsi3): Likewise.
2503 (some more unnamed insns): Likewise.
2505 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2507 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2508 iterator-style macro.
2509 (mark_control_dependent_edges_necessary): Update the use of
2510 EXECUTE_IF_CONTROL_DEPENDENT.
2512 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2514 * config/sh/predicates.md (cache_address_operand): Special.
2515 (ua_address_operand): Likewise.
2517 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2519 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2521 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2523 2006-03-15 Andreas Schwab <schwab@suse.de>
2525 * gensupport.c (identify_predicable_attribute): Don't free p_false
2526 when it is still in use.
2528 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2530 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2531 the default setting here.
2533 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2535 * tree-pass.h (pass_cfg): Remove.
2536 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2537 * passes.c (pass_cfg): Don't run it.
2539 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2541 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2542 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2544 (stack_regs_mentioned): Update the uses of
2545 stack_regs_mentioned_data. Don't access the array beyond its
2547 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2548 Don't include gt-reg-stack.h.
2550 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2551 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2553 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2556 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2559 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2561 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2563 2006-03-14 Richard Guenther <rguenther@suse.de>
2565 PR tree-optimization/26672
2566 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2569 2006-03-14 Richard Guenther <rguenther@suse.de>
2571 PR tree-optimization/26667
2572 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2573 node for the callees. Always allow inlining if it will shrink
2576 2006-03-14 Richard Guenther <rguenther@suse.de>
2579 * builtins.c (get_pointer_alignment): Prefer alignment
2580 information from decls over that from types.
2582 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2585 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2587 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2589 * config/rs6000/rs6000.opt (mdlmzb): New option.
2590 (msched-prolog, msched-epilog): Use Var not Mask.
2591 * doc/invoke.texi (-mdlmzb): Document.
2592 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2594 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2595 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2597 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2599 PR rtl-optimization/25739
2600 * bt-load.c (augment_live_range): Free tos pointer.
2602 * gensupport.c (identify_predicable_attribute): Free
2604 * gcov.c (create_file_names): Free name pointer.
2606 2006-03-13 Roger Sayle <roger@eyesopen.com>
2609 * stmt.c (emit_case_nodes): Handle the case where the index is a
2610 CONST_INT, where the comparison mode is specified by the index type.
2612 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2614 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2617 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2619 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2620 (*branch_fp_inverted): Likewise.
2622 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2625 * omp-low.c (expand_omp_for_generic): Mark istart0
2626 and iend0 as addressable.
2628 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2630 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2632 2006-03-13 Jeff Law <law@redhat.com>
2634 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2635 virtual operands are interesting.
2636 (vrp_visit_stmt): Corresponding changes.
2638 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2640 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2642 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2643 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2644 * config/bfin/crti.S: Use it instead of __PIC__.
2645 * config/bfin/crtn.S: Likewise.
2647 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2648 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2650 Lose 'G' modifier for call operand.
2651 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2652 recognize 'G' modifier.
2654 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2657 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2658 * stmt.c (expand_case): Likewise.
2660 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2662 PR rtl-optimization/26254
2663 * loop-invariant.c (seq_insns_valid_p): New function.
2664 (move_invariant_reg): Only emit new code if it is valid.
2666 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2668 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2670 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2671 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2672 (commit_one_edge_insertion): Do not look for loop notes.
2674 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2676 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2677 flag_test_coverage out of loop.
2679 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2681 * final.c (shorten_branches): Remove outdated comment, and turn
2682 the if branch that guards it to continue.
2684 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2686 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2687 * cfgloop.h (struct loop): Remove unused fields.
2689 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2691 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2692 (-dL, -fdump-rtl-loop2): Update the dump file names
2694 * doc/invoke.texi: Update dump file names.
2696 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2698 * predict.c (estimate_probability): Remove.
2699 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2700 * basic-block.h (estimate_probability): Remove prototype.
2701 * passes.c (finish_optimization_passes): Dump branch prediction or
2702 profiling heuristics to the .profile tree dump.
2703 (init_optimization_passes): Unqueue pass_branch_prob.
2705 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2707 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2709 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2710 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2712 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2714 * function.h (frame_offset_overflow): Declare.
2715 * function.c (frame_offset_overflow): New function.
2716 (assign_stack_local_1): Call it to detect that the offset overflows.
2717 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2719 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2721 * config/sh/sh.c: Include alloc-pool.h.
2722 (label_ref_list_pool): New alloc pool.
2723 (label_ref_list_t): New type for lists of labels.
2724 (struct pool_node): Make wend a label_ref_list_t.
2725 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2727 (dump_table): Likewise.
2728 (sh_reorg): Set up the alloc pool before using add_constant and
2729 dump_table, and destroy it when finishing.
2731 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2733 * config/mips/mips.c: Remove redundant comment.
2735 2006-03-10 Jason Merrill <jason@redhat.com>
2738 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2739 the target was declared 'register'.
2741 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2743 * genpreds.c (write_insn_constraint_len): Change definition of
2744 insn_constraint_len to return size_t to match the declaration.
2746 2006-03-10 DJ Delorie <dj@redhat.com>
2748 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2750 (m32c_expand_insv): Fix test for an AND mask.
2752 2006-03-10 Richard Guenther <rguenther@suse.de>
2755 * builtins.c (get_pointer_alignment): Handle component
2756 references for field alignment.
2758 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2760 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2761 when building with libgloss.
2762 (sh*elf): Implement --without-fp option.
2763 (sh64-superh-linux*): Don't multilib.
2765 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2767 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2769 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2771 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2772 Set it when one of the replacement functions returned true.
2773 Return TODO_cleanup_cfg if cfgchanged is true.
2774 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2776 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2778 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2779 instead of gen_lowpart.
2781 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2783 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2785 (mips_output_order_conditional_branch): Declare.
2786 * config/mips/mips.h (MIPS_BRANCH): New macro.
2787 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2788 for the comparison. Use gen_condjump.
2789 (mips_output_conditional_branch): Rework interface to take the
2790 asm templates for a direct branch and the inverse of a direct branch.
2791 (mips_output_order_conditional_branch): New function.
2792 (mips_builtin_branch_and_move): New function.
2793 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2794 branch condition. Use gen_single_cc as the condition for
2795 __builtin_mips_upper_* or __builtin_mips_lower_*.
2796 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2797 Use VOIDmode for the branch condition.
2798 * config/mips/predicates.md (order_operator): New predicate.
2799 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2800 (branch_fp): Rename to...
2801 (*branch_fp): ...this. Remove mode from comparison operator.
2802 Use new mips_output_conditional_branch interface.
2803 (branch_fp_inverted): Rename to...
2804 (*branch_fp_inverted): ...this and update as for *branch_fp.
2805 (*branch_zero<mode>): Rename to...
2806 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2807 Use mips_output_order_conditional_branch. Only accept ordered
2809 (*branch_zero<mode>_inverted): Rename to...
2810 (*branch_order<mode>_inverted): ...this and update as for
2811 *branch_order<mode>.
2812 (*branch_equality<mode>): Accept zero as the second operand to
2813 the equality operator. Use the new mips_output_conditional_branch
2815 (*branch_equality<mode>_inverted): Likewise.
2816 (condjump): New expander.
2817 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2819 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2820 (bc1any2t, bc1any2f): Likewise.
2821 (single_cc): New expander.
2822 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2824 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2826 * doc/md.texi: Update documentation of MIPS constraints.
2827 * config/mips/constraints.md: New file.
2828 * config/mips/mips.md: Include it.
2829 * config/mips/mips.c (mips_char_to_class): Delete.
2830 (override_options): Don't initialize mips_char_to_class.
2831 * config/mips/mips.h (mips_char_to_class): Delete.
2832 (REG_CLASS_FROM_LETTER): Delete.
2833 (CONST_OK_FOR_LETTER_P): Delete.
2834 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2835 (EXTRA_CONSTRAINT_Y): Delete.
2836 (EXTRA_CONSTRAINT_STR): Delete.
2837 (CONSTRAINT_LEN): Delete.
2838 (EXTRA_MEMORY_CONSTRAINT): Delete.
2840 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2842 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2843 original fn's eh regions.
2845 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2847 * fold-const.c (build_range_check): Make sure to use a valid type to
2848 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2851 (range_predecessor): New static function.
2852 (range_successor): Likewise.
2853 (merge_ranges): Use them to compute predecessors and successors of
2856 2006-03-09 Roger Sayle <roger@eyesopen.com>
2859 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2860 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2862 2006-03-08 DJ Delorie <dj@redhat.com>
2864 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2865 (addpsi3): Expand to include memory operands. Remove
2866 reload-specific splits.
2867 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2868 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2869 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2870 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2871 (shift1_qi, shift1_hi, insv): New.
2872 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2873 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2874 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2876 * config/m32c/m32c-protos.h: Update as needed.
2877 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2878 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2879 Fail for unrecognized R* constraints.
2880 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2881 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2882 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2884 (m32c_init_libfuncs): New.
2885 (m32c_legitimate_address_p): Add debug wrapper.
2886 (m32c_rtx_costs): New.
2887 (m32c_address_cost): New.
2888 (conversions): Add 'B' prefix.
2889 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2890 operands, or word regnames for QI operands. 'B' prints bit
2892 (m32c_expand_setmemhi): New.
2893 (m32c_expand_movmemhi): New.
2894 (m32c_expand_movstr): New.
2895 (m32c_expand_cmpstr): New.
2896 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2897 (m32c_expand_neg_mulpsi3): Handle non-ints.
2898 (m32c_cmp_flg_0): New.
2899 (m32c_expand_movcc): New.
2900 (m32c_expand_insv): New.
2901 (m32c_scc_pattern): New.
2902 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2903 a0/a1 out of SIregs.
2904 (STORE_FLAG_VALUE): New.
2905 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2908 * config/m32c/mov.md: Make constraints more liberal.
2909 (zero_extendqihi2): Optimize r0/r1 case.
2910 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2911 * config/m32c/predicates.md (m32c_any_operand): New.
2912 (m32c_nonimmediate_operand): New.
2913 (m32c_hl_operand): New.
2914 (m32c_r3_operand): New.
2917 (memsym_operand): New.
2918 (memimmed_operand): New.
2919 (a_qi_operand): New.
2920 (m32c_eqne_operator): New.
2921 (m32c_1bit8_operand): New.
2922 (m32c_1bit16_operand): New.
2923 (m32c_1mask8_operand): New.
2924 (m32c_1mask16_operand): New.
2925 * config/m32c/blkmov.md: New file.
2926 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2928 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2930 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2931 unsigned to fix signed/unsigned comparison issue in
2932 DWARF2_FRAME_REG_OUT.
2933 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2934 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2936 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2937 of ptr into the ENABLE_CHECKING section.
2939 2006-03-08 Jeff Law <law@redhat.com>
2941 * tree-vrp.c (infer_value_range): Only count pointer uses
2942 and dereferences if -fdelete-null-pointer-checks is enabled.
2944 * tree-vrp.c (find_assert_locations): Infer value ranges for
2945 single use pointers, but do not create ASSERT_EXPRs for them.
2946 When a non-null range is inferred for a pointer, backwards
2947 propagate that range to other equivalent pointers through the
2950 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2953 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2954 language hook targets.
2955 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2956 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2957 if language hook targets were missing.
2959 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2961 * tree-ssa-opfinalize.h: Removed.
2962 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2964 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2965 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2966 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2967 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2968 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2969 finalize_ssa_v_must_def_ops): New.
2971 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2973 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2976 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2978 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2980 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2981 addresses with offsets; reorganize.
2983 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2984 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2985 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2987 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2990 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2992 2006-03-08 Ben Elliston <bje@au.ibm.com>
2994 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2996 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2999 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3002 2006-03-07 Richard Guenther <rguenther@suse.de>
3004 PR tree-optimization/26587
3005 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3007 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3009 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3011 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3013 * hooks.c (hook_bool_mode_rtx_true): New function.
3014 * hooks.h (hook_bool_mode_rtx_true): Declare.
3015 * toplev.c (compile_file): Call output_shared_constant_pool.
3016 * varasm.c (shared_constant_pool): New variable.
3017 (assemble_start_function, assemble_end_function): Remove arguments
3018 from call to output_constant_pool.
3019 (create_constant_pool): New function, split out from...
3020 (init_varasm_status): ...here.
3021 (force_const_mem): Choose between the shared and per-function constant
3022 pools. Set current_function_uses_const_pool when reusing old entries
3023 as well as when creating new ones.
3024 (mark_constant): Ignore data argument.
3025 (mark_constants): Remove pool argument.
3026 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3027 to decide whether the function uses a constant pool.
3028 (output_constant_pool_contents): New function, split out from...
3029 (output_constant_pool): ...here.
3030 (output_shared_constant_pool): New function.
3031 (init_varasm_once): Initialize shared_constant_pool.
3032 * output.h (output_constant_pool): Delete.
3033 (output_shared_constant_pool): Declare.
3034 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3035 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3037 2006-03-06 Nick Clifton <nickc@redhat.com>
3039 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3040 flag_strength_reduce.
3042 2006-03-06 Ben Elliston <bje@au.ibm.com>
3044 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3045 x86_64-*-linux* configurations.
3047 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3048 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3050 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3052 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3054 * basic-block.h: Remove the extern for
3055 rediscover_loops_after_threading.
3057 * cfgloop.c (cancel_loop): Make it static.
3058 * cfgloop.h: Remove the prototype for cancel_loop.
3060 * flow.c (recompute_reg_usage): Make it static.
3061 * rtl.h: Remove the prototype for recompute_reg_usage.
3063 * function.c (use_return_register): Make it static.
3064 * function.h: Remove the prototype.
3066 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3068 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3070 * recog.h: Remove the prototype for
3071 validate_change_maybe_volatile.
3073 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3075 * rtlanal.c (replace_reg): Remove.
3076 * rtl.h: Remove the prototype for replace_reg.
3078 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3080 * regclass.c (reg_scan_update): Remove.
3081 (reg_scan_mark_refs): Remove the last argument.
3082 * rtl.h: Remove the prototype for reg_scan_update.
3084 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3086 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3087 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3088 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3089 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3090 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3091 loop-invariant.c, omp-low.c, opts.c, passes.c,
3092 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3093 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3094 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3095 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3096 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3097 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3099 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3101 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3102 * dwarf2out.h: Remove the prototype for
3103 dwarf2out_add_library_unit_info.
3105 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3107 * tree.c (add_var_to_bind_expr): Remove.
3108 * tree.h: Remove the prototype for add_var_to_bind_expr.
3110 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3112 * regclass.c (n_non_fixed_regs): Remove.
3113 (init_reg_sets_1, globalize_reg): Remove all uses of
3115 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3117 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3119 * rtlanal.c (insns_safe_to_move_p): Remove.
3120 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3122 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3124 * expmed.c (expand_mult_add): Remove.
3125 * expr.h: Remove the prototype for expand_mult_add.
3127 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3129 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3130 and REG_SAVED_VAL_EXP constants.
3131 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3132 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3133 Handle regs stored by value.
3134 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3135 (execute_cfa_program): Handle DW_CFA_val_offset,
3136 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3137 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3138 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3139 (uw_install_context_1): Handle target regs stored by value.
3141 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3143 * tree-sra.c (tree_sra): Return todoflags;
3144 (generate_one_element): Set TODO_update_smt_usage if needed.
3145 (pass_sra): Remove TODO_update_smt_usage.
3146 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3148 (tree_ssa_forward_propagate_single_use_vars): Return
3149 TODO_update_smt_usage if we need to update SMT usage.
3150 (pass_forwprop): Remove TODO_update_smt_usage.
3152 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3154 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3155 (correct_use_link): Remove reference to get_stmt_operands.
3156 (update_stmt_operands): Likewise.
3157 (get_modify_expr_operands): New function factored out of
3158 parse_ssa_operands and get_expr_operands.
3159 Try to create V_MUST_DEFs for LHS by default.
3160 (get_expr_operands) <case MODIFY_EXPR>: Call
3161 get_modify_expr_operands.
3162 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3163 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3164 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3165 get_modify_expr_operands.
3167 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3169 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3170 * tree-flow.h: Remove the prototype for
3171 referenced_var_lookup_if_exists.
3173 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3175 PR rtl-optimization/26345
3177 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3179 2006-03-03 Roger Sayle <roger@eyesopen.com>
3181 PR tree-optimization/26524
3182 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3183 fold_convert to create a constant of the appropriate type.
3185 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3187 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3188 SYMBOL_REF_IN_BLOCK_P.
3189 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3190 of SYMBOL_FLAG_IN_BLOCK.
3191 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3192 instead of SYMBOL_REF_IN_BLOCK_P.
3193 * explow.c (use_anchored_address): Likewise.
3194 * rtl.c (rtx_size): Likewise.
3195 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3196 instead of SYMBOL_FLAG_IN_BLOCK.
3197 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3198 SYMBOL_REF_IN_BLOCK_P.
3199 (assemble_variable): Likewise.
3200 (output_constant_def_contents): Likewise.
3201 (output_constant_pool): Likewise.
3202 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3203 instead of SYMBOL_FLAG_IN_BLOCK.
3204 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3205 SYMBOL_REF_IN_BLOCK_P.
3206 (SYMBOL_REF_BLOCK): Likewise.
3207 (SYMBOL_REF_OFFSET): Likewise.
3208 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3209 SYMBOL_REF_IN_BLOCK_P.
3210 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3211 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3212 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3213 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3215 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3217 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3219 2006-03-02 Roger Sayle <roger@eyesopen.com>
3221 * simplify-rtx.c (simplify_unary_operation): When simplifying
3222 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3223 that we perform the right shift in the appropriate mode, and
3224 then extend or truncate the result to requested mode.
3226 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3228 * gengtype.c (main): Handle double_int type.
3229 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3230 * double-int.c: New file.
3231 * double-int.h: New file.
3232 * system.h: Include doubleint.h.
3233 * Makefile.in (SYSTEM_H): Include double-int.h.
3234 (double-int.o): Add.
3236 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3239 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3242 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3244 * tree-vrp.c (remove_range_assertions): Do not update statements
3247 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3249 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3251 * gcse.c (rest_of_handle_gcse): Ditto.
3252 * except.c (gate_handle_eh): Ditto.
3253 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3254 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3256 2006-03-02 Eric Christopher <echristo@apple.com>
3258 * config/i386/i386.c (machopic_output_stub): Add indirection to
3261 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3265 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3267 Sun Niagara specific optimizations.
3268 * config.gcc: Recognize niagara as target.
3269 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3270 (TARGET_CPU_niagara): Define.
3271 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3272 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3273 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3274 (ASM_CPU_SPEC): Likewise.
3275 (PROCESSOR_NIAGARA): New enum entry.
3276 (REGISTER_MOVE_COST): Handle Niagara.
3277 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3278 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3279 (sparc_override_options): Recognize "niagara", set appropriate
3280 default MASK_* values for it, and align functions to 32-bytes
3281 by default just like ULTRASPARC/ULTRASPARC3.
3282 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3283 (sparc64_initialize_trampoline): Likewise.
3284 (sparc_use_sched_lookahead): Use zero for niagara.
3285 (sparc_issue_rate): Use one for niagara.
3286 * config/sparc/niagara.md: New file.
3287 * config/sparc/sparc.md: Include it.
3288 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3289 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3290 when default cpu is niagara.
3291 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3292 (ASM_CPU_SPEC): Likewise.
3293 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3294 when default cpu is niagara.
3295 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3296 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3297 just like v9/ultrasparc/ultrasparc3.
3298 * doc/invoke.texi: Add documentation for "niagara" and improve
3299 existing documentation for ultrasparc variants.
3301 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3303 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3305 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3307 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3308 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3309 and say that only one is needed.
3310 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3311 * target.h (have_switchable_bss_sections): New hook.
3312 * explow.c (use_anchored_address): Check that the symbol is in a block.
3313 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3314 (bss_noswitch_section): New variables.
3315 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3316 (get_noswitch_section): New function.
3317 (get_block_for_section): Allow SECT to be null.
3318 (unlikely_text_section_p): Use SECTION_STYLE.
3319 (bss_initializer_p): New function.
3320 (get_variable_section): Move earlier in file. Take a new argument,
3321 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3322 Return one of the new *_sections in such cases.
3323 (get_block_for_decl): New function, extracting some logic from
3324 use_blocks_for_decl_p.
3325 (change_symbol_section): Remove in favor of...
3326 (change_symbol_block): ...this new function.
3327 (use_blocks_for_decl_p): Remove checks now performed by
3329 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3330 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3331 (emit_local, emit_bss, emit_common): ...these new functions.
3332 Return true if the alignment was honored.
3333 (emit_tls_common): New function.
3334 (asm_emit_uninitialised): Delete.
3335 (assemble_variable_noswitch): New function, split out from...
3336 (assemble_variable): ...here. Don't make decisions about common
3337 variables here. Globalize all public decls that go into non-common
3338 sections. Check whether SYMBOL_REF_BLOCK is null.
3339 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3340 (output_constant_pool): Likewise.
3341 (init_varasm_once): Initialize the new section variables.
3342 (have_global_bss_p): New function.
3343 (categorize_decl_for_section): Use bss_initializer_p.
3344 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3345 (place_block_symbol): Assert that the symbol must be in a block.
3346 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3347 (TARGET_INITIALIZER): Include it.
3348 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3349 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3350 (SECTION_MACH_DEP): Bump by two.
3351 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3352 (unnamed_section): Mention SECTION_UNNAMED in comment.
3353 (named_section): Likewise SECTION_NAMED.
3354 (noswitch_section_callback): New type.
3355 (noswitch_section): New structure.
3356 (section): Add a noswitch_section alternative.
3357 (SECTION_STYLE): New macro.
3358 (tls_comm_section, comm_section, lcomm_section): Declare.
3359 (bss_noswitch_section, have_global_bss_p): Declare.
3360 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3361 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3363 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3364 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3367 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3369 * gcc/tree-vrp.c (execute_vrp): Return value.
3370 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3371 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3372 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3373 (tree_lower_complex_O0): Ditto.
3374 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3375 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3376 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3377 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3378 (execute_tail_calls): Ditto.
3379 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3380 * gcc/tree.h (init_function_for_compilation): Ditto.
3381 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3382 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3383 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3384 * gcc/final.c (compute_alignments): Ditto.
3385 (rest_of_handle_final): Ditto.
3386 (rest_of_handle_shorten_branches): Ditto.
3387 (rest_of_clean_state): Ditto.
3388 * gcc/omp-low.c (execute_expand_omp): Ditto.
3389 (execute_lower_omp): Ditto.
3390 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3391 * gcc/ipa-reference.c (static_execute): Ditto.
3392 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3393 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3394 (rest_of_handle_machine_reorg): Ditto.
3395 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3396 * gcc/flow.c (recompute_reg_usage): Ditto.
3397 (rest_of_handle_remove_death_notes): Ditto.
3398 (rest_of_handle_life): Ditto.
3399 (rest_of_handle_flow2): Ditto.
3400 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3401 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3402 (do_ssa_store_ccp): Ditto.
3403 (execute_fold_all_builtins): Ditto.
3404 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3405 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3406 * gcc/ipa-pure-const.c (static_execute): Ditto.
3407 * gcc/cse.c (rest_of_handle_cse): Ditto.
3408 (rest_of_handle_cse2): Ditto.
3409 * gcc/web.c (rest_of_handle_web): Ditto.
3410 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3411 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3412 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3413 * gcc/tree-nrv.c (tree_nrv): Ditto.
3414 (execute_return_slot_opt): Ditto.
3415 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3416 (create_structure_vars): Ditto.
3417 * gcc/loop-init.c (rtl_loop_init): Ditto.
3418 (rtl_loop_done): Ditto.
3419 (rtl_move_loop_invariants): Ditto.
3420 (rtl_unswitch): Ditto.
3421 (rtl_unroll_and_peel_loops): Ditto.
3422 (rtl_doloop): Ditto.
3423 * gcc/gimple-low.c (lower_function_body): Ditto.
3424 (mark_used_blocks): Ditto.
3425 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3426 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3427 (cgraph_early_inlining): Ditto.
3428 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3429 * gcc/jump.c (cleanup_barriers): Ditto.
3430 (purge_line_number_notes): Ditto.
3431 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3432 (rest_of_handle_if_after_reload): Ditto.
3433 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3434 (tree_ssa_loop_im): Ditto.
3435 (tree_ssa_loop_unswitch): Ditto.
3436 (tree_vectorize): Ditto.
3437 (tree_linear_transform): Ditto.
3438 (tree_ssa_loop_ivcanon): Ditto.
3439 (tree_ssa_empty_loop): Ditto.
3440 (tree_ssa_loop_bounds): Ditto.
3441 (tree_complete_unroll): Ditto.
3442 (tree_ssa_loop_prefetch): Ditto.
3443 (tree_ssa_loop_ivopts): Ditto.
3444 (tree_ssa_loop_done): Ditto.
3445 * gcc/predict.c (tree_estimate_probability): Ditto.
3446 * gcc/recog.c (split_all_insns_noflow): Ditto.
3447 (rest_of_handle_peephole2): Ditto.
3448 (rest_of_handle_split_all_insns): Ditto.
3449 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3450 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3451 (rest_of_handle_stack_adjustments): Ditto.
3452 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3453 * gcc/function.c (instantiate_virtual_regs): Ditto.
3454 (init_function_for_compilation): Ditto.
3455 (rest_of_handle_check_leaf_regs): Ditto.
3456 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3457 (rest_of_handle_gcse): Ditto.
3458 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3459 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3460 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3461 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3462 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3463 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3464 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3465 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3466 * gcc/except.c (set_nothrow_function_flags): Ditto.
3467 (convert_to_eh_region_ranges): Ditto.
3468 (rest_of_handle_eh): Ditto.
3469 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3470 (remove_unnecessary_notes): Ditto.
3471 * gcc/except.h (set_nothrow_function_flags): Ditto.
3472 (convert_to_eh_region_ranges): Ditto.
3473 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3474 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3475 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3476 (execute_fre): Ditto.
3477 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3478 (rest_of_handle_jump2): Ditto.
3479 * gcc/tree-sra.c (tree_sra): Ditto.
3480 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3481 (execute_mudflap_function_decls): Ditto.
3482 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3483 (do_store_copy_prop): Ditto.
3484 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3485 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3486 * gcc/tree-ssa-forwprop.c
3487 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3488 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3489 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3490 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3491 (execute_late_warn_uninitialized): Ditto.
3492 * gcc/rtl.h (cleanup_barriers): Ditto.
3493 (split_all_insns_noflow): Ditto.
3494 (purge_line_number_notes): Ditto.
3495 (unshare_all_rtl): Ditto.
3496 (remove_unnecessary_notes): Ditto.
3497 (recompute_reg_usage): Ditto.
3498 (variable_tracking_main): Ditto.
3499 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3500 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3501 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3502 (execute_free_cfg_annotations): Ditto.
3503 (execute_fixup_cfg): Ditto.
3504 (execute_cleanup_cfg_pre_ipa): Ditto.
3505 (execute_cleanup_cfg_post_optimizing): Ditto.
3506 (execute_init_datastructures): Ditto.
3507 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3508 * gcc/combine.c (rest_of_handle_combine): Ditto.
3509 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3510 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3511 (rest_of_handle_reorder_blocks): Ditto.
3512 (rest_of_handle_partition_blocks): Ditto.
3513 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3514 * gcc/tree-profile.c (tree_profiling): Ditto.
3515 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3516 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3517 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3518 (rest_of_handle_sched2): Ditto.
3519 * gcc/basic-block.h (free_bb_insn): Ditto.
3520 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3521 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3522 (remove_useless_stmts): Ditto.
3523 (split_critical_edges): Ditto.
3524 (execute_warn_function_return): Ditto.
3525 (execute_warn_function_noreturn): Ditto.
3526 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3527 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3528 * gcc/passes.c (execute_one_pass): Run additional
3529 todos returned by execute function.
3530 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3533 2006-03-02 Richard Guenther <rguenther@suse.de>
3535 * tree-ssa-alias.c (find_used_portions): Consider taking
3536 the address as making the variable not write-only.
3538 2006-03-02 Nick Clifton <nickc@redhat.com>
3540 * config.gcc (default_use_cxa_atexit): Extend the description of
3541 this configure variable. Set its default value to "yes" for
3542 Linux, NetBSD and ELF targets on the assumption that they will
3543 use C libraries with the __cxa_atexit function.
3545 2006-03-02 Ben Elliston <bje@au.ibm.com>
3547 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3548 parameter as unused to suppress a build warning.
3550 2006-03-02 Ben Elliston <bje@au.ibm.com>
3552 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3555 2006-03-01 Roger Sayle <roger@eyesopen.com>
3558 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3559 declared name, the weak reference name, and the typeof name.
3560 (__gthrw): Avoid expanding the declared name suffix.
3561 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3563 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3565 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3567 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3568 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3569 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3570 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3571 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3572 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3573 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3574 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3575 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3576 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3577 (DW_END_default, DW_END_big, DW_END_little): New.
3578 (DW_END_lo_user, DW_END_hi_user): Define.
3579 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3580 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3581 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3584 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3586 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3588 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3590 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3592 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3594 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3595 to 'symbol_mem_tag'.
3597 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3600 2006-03-01 Roger Sayle <roger@eyesopen.com>
3602 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3604 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3607 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3608 MACHO_DYNAMIC_NO_PIC_P.
3609 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3611 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3614 * config/darwin-protos.h (darwin_asm_output_anchor):
3616 * config/darwin-sections.def (cstring_section):
3617 Add SECTION_MERGE to the flags.
3618 (literal4_section): Likewise.
3619 (literal8_section): Likewise.
3620 (objc_selector_refs_section): Likewise.
3621 (objc_cls_refs_section): Likewise.
3622 * config/darwin.c (darwin_asm_output_anchor): New
3624 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3626 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3628 Fix PR tree-optimization/26443
3629 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3630 to todo and PROP_tmt_usage to properties_destroyed.
3631 * tree-ssa-ccp.c (pass_ccp): Ditto.
3632 (pass_store_ccp): Ditto.
3633 * tree-ssa-dom.c (pass_dominator): Ditto.
3635 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3637 * tree-ssa-operands.c: Cleanup whitespace.
3638 (get_asm_expr_operands): Move before first invocation.
3639 (get_indirect_ref_operands): Likewise.
3640 (get_tmr_operands): Likewise.
3641 (get_call_expr_operands): Likewise.
3642 (append_def): Likewise.
3643 (append_use): Likewise.
3644 (append_v_may_def): Likewise.
3645 (append_v_must_def): Likewise.
3646 (add_call_clobber_ops): Likewise.
3647 (add_call_read_ops): Likewise.
3648 (add_stmt_operand): Likewise.
3649 (add_virtual_operand): Likewise.
3650 (build_ssa_operands): Likewise.
3652 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3657 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3658 with a call expr to ...
3659 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3661 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3663 * tree-vrp.c (extract_range_from_assert): Remove special
3664 handling for types with super-types.
3666 2006-03-01 Ben Elliston <bje@au.ibm.com>
3668 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3669 and powerpc64-*-linux* configurations.
3670 * config/t-dfprules: New file.
3672 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3673 Compile dfp-bit.c from the source directory using -DWIDTH and
3674 $DFP_CFLAGS to control the compilation of that file, rather than
3675 generating width-specific versions in the build directory.
3676 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3677 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3679 2006-02-28 Zack Weinberg <zackw@panix.com>
3681 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3684 2006-02-28 Eric Christopher <echristo@apple.com>
3686 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3687 Set up IN_LIBGCC definition of TARGET_64BIT.
3688 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3690 2006-02-28 Roger Sayle <roger@eyesopen.com>
3693 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3694 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3695 cases via the construction of "expr != 0".
3697 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3699 * alias.c (alias_invariant, alias_invariant_size): Remove.
3700 (record_base_value): Remove.
3701 (memrefs_conflict_p): Don't look at alias_invariant.
3702 (end_alias_analysis): Don't free it.
3703 * alias.h (record_base_value): Remove prototype.
3705 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3706 Adam Nemet <anemet@caviumnetworks.com>
3708 * rtl.h (truncated_to_mode): Declare it.
3709 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3710 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3711 (RTL_HOOKS_INITIALIZER): Include it.
3712 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3713 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3714 reg_truncated_to_mode.
3715 * rtlanal.c (truncated_to_mode): Define it.
3716 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3718 2006-02-28 Jeff Law <law@redhat.com>
3720 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3721 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3722 the range allowed by TYPE_PRECISION.
3724 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3726 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3728 PR tree-optimization/26419
3729 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3732 2006-02-27 Zack Weinberg <zackw@panix.com>
3734 * doc/md.texi: Fix typo in previous change.
3736 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3740 2006-02-27 Zack Weinberg <zackw@panix.com>
3742 * rtl.def (define_constraint, define_register_constraint)
3743 (define_memory_constraint, define_address_constraint): New MD forms.
3744 * gensupport.c (process_rtx): Put define_constraint etc on the
3746 * genpreds.c (process_define_predicate): Adjust comment. Validate
3747 the name, and call validate_exp to validate the expression.
3748 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3749 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3750 all callers changed.
3751 (validate_exp, needs_variable, struct constraint_data)
3752 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3753 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3754 (const_dbl_constraints, constraint_max_namelen)
3755 (have_register_constraints, have_memory_constraints)
3756 (have_address_constraints, have_address_constraints)
3757 (have_extra_constraints, have_const_int_constraints)
3758 (have_const_dbl_constraints, mangle, add_constraint)
3759 (process_define_constraint, process_define_register_constraint)
3760 (write_enum_constraint_num, write_lookup_constraint)
3761 (write_insn_constraint_len, write_regclass_for_constraint)
3762 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3763 (write_insn_extra_memory_constraint)
3764 (write_insn_extra_address_constraint)
3765 (write_satisfies_constraint_fns): New.
3766 (write_tm_preds_h): If we have new-style constraint definitions,
3767 prototype the functions generated from them, and define the
3768 old constraint interface (still used by generic code) in terms of
3770 (write_insn_preds_c): If we have new-style constraint definitions,
3771 generate all relevant functions from those definitions.
3772 (main): Handle define_constraint etc.
3773 * genoutput.c (struct constraint_data, indep_constraints)
3774 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3775 (mdep_constraint_len): New data structures and functions, defined
3776 #ifdef USE_MD_CONSTRAINTS.
3777 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3778 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3779 use new logic to validate operand constraints against constraint
3781 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3783 * defaults.h: If none of the old-style constraint macros are
3784 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3785 old-style macros; and poison REG_CLASS_FROM_LETTER,
3786 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3788 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3789 * doc/md.texi: Document new constraint-definition mechanism and the
3790 C interface it provides. Remove references to old mechanism
3791 elsewhere in the document.
3792 (Machine Constraints): Use pathnames relative to gcc directory,
3793 i.e. config/ARCH/FILE. Change i386 section to refer to
3794 config/i386/predicates.md; update that section to match docstrings.
3795 * doc/tm.texi: Move all documentation of the old constraint-
3796 definition macros to their own section, clearly mark as obsolete.
3798 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3799 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3801 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3802 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3803 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3805 (splits and peepholes): Use satisfies_constraint_*.
3806 * config/i386/i386.c (memory_address_length)
3807 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3809 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3811 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3812 scalar operation to be put back into the loop.
3814 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3817 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3818 (extract_cie_info): Handle S flag in augmentation string.
3819 (execute_cfa_program): If context->signal_frame, execute also
3820 fs->pc == context->ra instructions.
3821 (uw_frame_state_for): If context->signal_frame, don't subtract one
3822 from context->ra to find FDE.
3823 (uw_update_context_1): Set context->signal_frame to
3825 (_Unwind_GetIPInfo): New function.
3826 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3827 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3829 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3830 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3831 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3832 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3833 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3834 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3835 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3836 x86_64_fallback_frame_state): Set fs->signal_frame.
3837 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3838 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3839 (frob_update_context): Likewise. Workaround missing S flag in
3840 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3841 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3842 Remove the psw_addr + 1 hack.
3844 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3846 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3847 with aggregates here.
3848 (find_func_aliases): Remove code for &<aggregate> from here.
3850 2006-02-26 Roger Sayle <roger@eyesopen.com>
3852 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3853 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3854 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3857 2006-02-26 Roger Sayle <roger@eyesopen.com>
3860 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3862 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3864 * opts.c (decode_options): Do not handle flag_strength_reduce.
3865 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3866 and OPT_fstrength_reduce.
3867 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3868 flag_prefetch_loop_arrays for being nonzero.
3869 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3871 (fprefetch-loop-arrays-rtl): Removed.
3872 (flag_prefetch_loop_arrays): Do not specify the value.
3874 * doc/passes.texi: Update documentation of loop optimizer
3876 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3877 -frerun-loop-opt): Remove.
3879 2006-02-26 Richard Guenther <rguenther@suse.de>
3881 PR tree-optimization/26421
3882 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3883 in function calls that are ADDR_EXPRs as using the whole structure.
3885 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3887 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3888 * tree-pass.h (pass_loop_optimize): Remove.
3889 * passes.c (pass_loop_optimize): Never run it.
3890 * toplev.c (backend_init): Don't call init_loop.
3891 * opts.c (flag_loop_optimize_set): Remove.
3892 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3893 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3894 the old RTL loop optimizer when profiling enabled.
3895 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3896 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3897 pre-headers for the sake of the old RTL loop optimizer.
3898 * Makefile.in: Remove all references to loop.o.
3900 * doc/invoke.texi: Remove all references to -floop-optimize
3901 and -frerun-loop-opt.
3903 2006-02-26 Zack Weinberg <zackw@panix.com>
3905 * doc/md.texi (Machine Constraints): Refer to all files with paths
3906 relative to gcc directory (i.e. config/CPU/file). Add missing
3907 @table @code ... @end table to M32C subsection.
3909 2006-02-26 Roger Sayle <roger@eyesopen.com>
3911 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3913 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3915 2006-02-26 Roger Sayle <roger@eyesopen.com>
3916 James A. Morrison <phython@gcc.gnu.org>
3919 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3920 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3921 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3922 signedness of the shift operation.
3924 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3926 PR tree-optimization/26359
3927 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3929 2006-02-25 Roger Sayle <roger@eyesopen.com>
3931 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3932 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3933 as X == 0, and some symmetry related transformations.
3934 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3936 2006-02-25 Roger Sayle <roger@eyesopen.com>
3939 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3940 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3941 symmetry related transformations. Fold (X^C1) == C2 as
3944 2006-02-25 Juergen Weigert <jw@suse.de>
3945 Richard Guenther <rguenther@suse.de>
3947 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3949 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3951 * combine.c (gen_lowpart_or_truncate): Call
3952 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3954 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3956 * doc/invoke.texi: Move -fopenmp description to "Options for
3958 Remove reference to -lgomp.
3960 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3962 * doc/install.texi: Require GNU tar version 1.14.
3964 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3966 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3967 * doc/invoke.texi (C++ Dialect Options): Document
3968 -fno-use-cxa-get-exception-ptr.
3969 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3970 * configure: Regenerate.
3971 * c.opt (fuse-cxa-get-exception-ptr): New.
3972 * c-opts.c (c_common_handle_option): Handle
3973 OPT_fuse_cxa_get_exception_ptr.
3974 * c-common.c (flag_use_cxa_atexit): Update documentation.
3975 (flag_use_cxa_get_exception_ptr): New.
3976 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3977 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3979 (C_COMMON_OVERRIDE_OPTIONS): New.
3981 2006-02-24 Roger Sayle <roger@eyesopen.com>
3984 * combine.c (try_combine): Explicitly check whether GET_CODE is
3985 a SET or a CLOBBER, instead on checking that it isn't a USE.
3987 2006-02-24 Roger Sayle <roger@eyesopen.com>
3989 * fold-const.c (fold_comparison): New subroutine of fold_binary
3990 containing transformations common to both the equality and
3991 ordering relational operators, factored out of fold_binary.
3992 (fold_binary): Separate out the equality operators (EQ_EXPR
3993 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3994 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3995 transformations common to both.
3996 (fold_div_compare): Fix latent bugs in the previously unreachable
3997 LT_EXPR and GE_EXPR cases.
3999 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4001 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4002 decl libname for clog to __clog on AIX.
4004 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4006 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4009 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4010 output traceback table for thunks. Localise rs6000_stack_info call.
4012 2006-02-23 Roger Sayle <roger@eyesopen.com>
4013 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4015 * gthr-posix.h (__gthrw): Fix typo in comment.
4017 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4019 * doc/cpp.texi (Character sets): Document that we do support
4020 input files to be in any character set.
4022 2006-02-23 Jeff Law <law@redhat.com>
4024 * tree.h (PHI_ARG_NONZERO): Remove.
4025 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4026 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4027 node to the new node.
4029 PR tree-optimization/26425
4030 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4031 min/max, then assume its varying.
4033 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4035 PR rtl-optimization/26316
4036 * rtlanal.c (enum may_trap_p_flags): New.
4037 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4038 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4039 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4040 (may_trap_after_code_motion_p): New function.
4041 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4042 (find_invariant_insn): Use may_trap_after_code_motion_p.
4043 * rtl.h (may_trap_after_code_motion_p): Declare.
4045 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4047 * emit-rtl.c (immed_double_const): Cleanup.
4049 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4051 Fix PR tree-optimization/26376
4052 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4055 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4058 * gimplify.c (omp_add_variable): Guard variable size decl test with
4059 DECL_SIZE (decl) check.
4061 2006-02-23 Richard Guenther <rguenther@suse.de>
4064 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4065 like aggregate types.
4067 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4069 * configure.ac: Add --with{,out}-long-double-128 configure option.
4070 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4071 * configure: Rebuilt.
4072 * config.in: Rebuilt.
4073 * doc/install.texi (Options specification): Document
4074 --with-long-double-128.
4076 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4077 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4078 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4079 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4081 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4083 * config/s390/s390.c (override_options): Handle
4084 TARGET_DEFAULT_LONG_DOUBLE_128.
4086 * config/alpha/alpha.c (override_options): Handle
4087 TARGET_DEFAULT_LONG_DOUBLE_128.
4089 * config/sparc/sparc.c (sparc_override_options): Handle
4090 TARGET_DEFAULT_LONG_DOUBLE_128.
4092 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4094 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4095 (real-install-headers-tar, real-install-headers-cpio)
4096 (real-install-headers-cp): New targets.
4098 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4100 * tree.h (variable_section): Delete.
4101 * varasm.c (variable_section): Delete.
4103 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4105 * install.texi: Add notes on install.texi2html.
4106 (Building in parallel): Do not use footnotes.
4108 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4111 * doc/install.texi (Configuration): Document --disable-libgomp.
4113 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4115 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4117 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4119 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4120 (vec_extractv2df_0_sse): New.
4122 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4124 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4125 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4126 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4127 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4128 to the result of the expression.
4129 (def_cfa_1): Adjust.
4130 (frame_pointer_cfa_offset): Rename to...
4131 (frame_pointer_fb_offset): ... this. Adjust all uses.
4132 (convert_cfa_to_loc_list): Rename to...
4133 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4134 Pass it on to build_cfa_loc.
4135 (compute_frame_pointer_to_cfa_displacement): Rename to...
4136 (compute_frame_pointer_to_fb_displacement): ... this. New
4137 offset parameter. Use it in computation.
4138 (gen_subprogram_die): Compute cfa_fb_offset with the new
4139 macro, and use it to compute the fb loc list and the
4142 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4144 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4145 replaced with register_operand.
4146 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4147 non-DREG is expensive.
4148 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4149 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4152 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4154 * doc/install.texi2html: Use set -e.
4156 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4158 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4159 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4160 * doc/invoke.texi (-fshared-data): Delete.
4161 * common.opt (fshared-data): Delete.
4162 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4163 (assemble_static_space): Remove #if 0 code.
4164 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4165 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4166 * config/cris/cris.h: Remove FIXME.
4168 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4170 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4173 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4176 * combine.c (simplify_shift_const_1): Disable nested shifts
4177 optimization for vector shifts.
4179 2006-02-20 Roger Sayle <roger@eyesopen.com>
4181 PR tree-optimization/26361
4182 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4183 of unsigned integer types.
4185 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4187 * tree-chrec.c (eq_evolutions_p): New.
4188 * tree-chrec.h (eq_evolutions_p): Declared.
4189 * tree-data-ref.c: Fix formatting.
4190 (datadep_stats, dependence_stats): New.
4192 (print_direction_vector): New.
4193 (dump_data_dependence_relation): Use print_direction_vector.
4194 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4195 (compute_subscript_distance): Static.
4196 (initialize_data_dependence_relation): Static. Get the number
4197 of loops surrounding the references from the callers, and initialize
4198 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4199 base_object_differ_p analyzers.
4200 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4201 compute_overlap_steps_for_affine_1_2,
4202 analyze_subscript_affine_affine): Count the classified dependences.
4203 Print a message when a test failed.
4204 (can_use_analyze_subscript_affine_affine): New.
4205 (analyze_siv_subscript): Compute the data dependences on symbolic
4206 scevs that verify can_use_analyze_subscript_affine_affine.
4207 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4208 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4209 Handle symbolic scevs.
4210 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4212 (subscript_dependence_tester): Moved...
4213 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4214 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4215 DDR_SIZE_VECT instead of getting it in parameter.
4216 (subscript_dependence_tester): ... here. Take as a parameter
4217 loop_nest_depth. Call build_classic_dist_vector and
4218 build_classic_dir_vector.
4219 (compute_affine_dependence): Update subscript_dependence_tester
4220 parameters. Update datadep_stats counters. Call
4221 compute_subscript_distance.
4222 (compute_self_dependence): Save the dist and dir vectors. Call
4223 compute_subscript_distance.
4224 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4225 (compute_all_dependences): Reorder parameters as they were before
4226 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4227 compute_subscript_distance. Update the use of
4228 compute_affine_dependence and initialize_data_dependence_relation.
4229 (find_data_references_in_loop): Handle COMPONENT_REF.
4230 (compute_data_dependences_for_loop): Initialize dependence_stats.
4231 Don't call build_classic_dist_vector and build_classic_dir_vector.
4232 Update the parameters of initialize_data_dependence_relation and
4233 compute_all_dependences. Print the statistics from datadep_stats.
4234 (analyze_all_data_dependences): Static. Not used until the pass for
4235 checking the data dependences is contributed.
4236 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4237 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4238 (initialize_data_dependence_relation, compute_affine_dependence,
4239 analyze_all_data_dependences, compute_subscript_distance): Removed.
4240 (print_direction_vector): New.
4241 * lambda.h (gcd): ... here.
4242 (lambda_vector_gcd): Moved here from gcd_vector.
4243 * lambda-code.c (gcd, gcd_vector): Removed.
4244 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4245 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4247 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4249 * ipa-type-escape.c: Tidy some comments and white space.
4250 * tree-ssa-operands.c: Likewise.
4252 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4255 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4256 (dump_decl_name): Do not walk the decl tree chains.
4257 * tree-pass.h (TDF_CHAIN): Remove.
4259 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4261 * Makefile.in (C): Remove
4263 (.PHONY): Remove C and PROTO
4265 2006-02-20 Roger Sayle <roger@eyesopen.com>
4268 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4269 deprecated CHAR_TYPE tree code.
4271 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4273 * configure.ac (target_list): Add install-info, dvi, html.
4274 * configure: Regenerate.
4276 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4277 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4278 treelang/Make-lang.in: Do not use double-colon rules.
4280 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4282 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4283 (TMT_USED_ALONE): New macro.
4284 * tree-pass.h (PROP_tmt_usage): New property.
4285 (TODO_update_tmt_usage): New todo.
4286 * tree-ssa-alias.c (updating_used_alone): New variable.
4287 (recalculate_used_alone): New function.
4288 (compute_may_aliases): Set updating_used_alone, call
4289 recalculate_used_alone.
4290 * tree-sra.c (pass_sra): Note that this pass destroys
4291 PROP_tmt_usage, and add TODO_update_tmt_usage.
4292 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4293 * tree-flow.h (updating_used_alone): Prototype.
4294 (recalculate_used_alone): Ditto.
4295 * passes.c (execute_todo): Add code to set updating_used_alone,
4296 and call recalculate.
4297 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4298 for clobber if used alone, and add assert to verify used_alone
4301 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4303 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4304 for non tls symbols added.
4305 (legitimize_address): Do nothing for PLUS expressions if one of the
4306 addends is a tls symbol reference.
4308 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4312 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4314 * Makefile.in (BOOTSTRAPPING): New.
4315 (quickstrap): New definition if BOOTSTRAPPING=yes.
4317 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4318 * configure.ac: Substitute all_selected_languages with the languages
4319 that were configured. For all the other variables except
4320 lang_specs_files, include all the languages in the tree.
4321 * configure: Regenerate.
4323 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4324 if there is one. Run the commands to run fixincludes in the same
4327 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4328 * doc/install.texi: Document exact conventions for searching target tools.
4329 Document --with-build-time-tools. Document toplevel bootstrap. Document
4330 something more about building an Ada cross-compiler. Don't list GNU Make
4331 requirements which affect all platforms.
4333 2006-02-19 Roger Sayle <roger@eyesopen.com>
4336 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4337 only equivalent if the have both the same mode and precision.
4339 2006-02-20 Ben Elliston <bje@au.ibm.com>
4341 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4343 2006-02-19 Roger Sayle <roger@eyesopen.com>
4344 Steven Bosscher <stevenb.gcc@gmail.com>
4346 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4347 constant pool references to identify stack mode constants.
4348 * rtlanal.c (constant_pool_constant_p): New predicate to check
4349 whether operand is a floating point constant in the pool.
4350 * rtl.h (constant_pool_constant_p): Prototype here.
4351 * loop.c (scan_loop): Avoid hoisting constants from the constant
4352 pool on STACK_REGS targets.
4353 (load_mems): Likewise.
4354 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4355 loads into x87 registers expensive in terms of register pressure.
4357 2006-02-19 Roger Sayle <roger@eyesopen.com>
4359 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4360 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4362 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4364 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4365 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4367 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4369 * doc/invoke.texi: Document -fipa-pta.
4370 * common.opt: Add ipa-pta option.
4371 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4372 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4373 (do_ds_constraint): Ditto.
4374 (get_constraint_for): Only add to referenced_vars if
4375 referenced_vars exists.
4376 (insert_into_field_list): Rewrite to do this unsorted.
4377 (insert_into_field_list_sorted): Rename old insert_into_field_list
4379 (create_function_info_for): Use insert_into_field_list_sorted.
4380 (create_variable_info_for): Rewrite so it uses unsorted version,
4381 since the field list is sorted.
4382 (intra_create_variable_infos): Only add to referenced_vars if
4383 referenced_vars exists.
4384 (ipa_pta_execute): Init heapvars, and delete when done.
4385 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4387 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4389 * doc/install.texi: Add missing `@samp'.
4391 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4393 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4396 2006-02-18 Mark Wielaard <mark@klomp.org>
4398 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4399 who added new 4.1 features, bug fixes and integration support.
4401 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4404 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4407 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4409 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4410 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4411 (copy_insn_1): Likewise. Don't copy each field individually.
4413 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4415 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4416 * rtl.c (rtx_size): Rename variable to...
4417 (rtx_code_size): ...this.
4418 (rtx_size): New function.
4419 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4420 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4422 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4423 * rtl.h (rtx_code_size): New variable.
4424 (rtx_size): Change from a variable to a function.
4425 (RTX_SIZE): Rename to...
4426 (RTX_CODE_SIZE): ...this.
4429 PR tree-optimization/17106
4430 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4431 (Anchored Addresses): New section.
4432 * doc/invoke.texi (-fsection-anchors): Document.
4433 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4434 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4435 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4436 * hooks.c (hook_bool_mode_rtx_false): New function.
4437 * hooks.h (hook_bool_mode_rtx_false): Declare.
4438 * gengtype.c (create_optional_field): New function.
4439 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4440 SYMBOL_REF_IN_BLOCK_P is true.
4441 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4442 (min_anchor_offset, max_anchor_offset): Likewise.
4443 (use_anchors_for_symbol_p): New hook.
4444 * toplev.c (compile_file): Call output_object_blocks.
4445 (target_supports_section_anchors_p): New function.
4446 (process_options): Check that -fsection-anchors is only used on
4447 targets that support it and when -funit-at-a-time is in effect.
4448 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4449 if the decl doesn't have one.
4450 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4451 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4452 of force_const_mem through use_anchored_address.
4453 (expand_expr_constant): New function.
4454 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4455 calling expand_expr for INDIRECT_REF.
4456 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4457 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4458 * expr.h (use_anchored_address): Declare.
4459 * loop-unroll.c: Don't declare rtx vectors here.
4460 * explow.c: Include output.h.
4461 (validize_mem): Call use_anchored_address.
4462 (use_anchored_address): New function.
4463 * common.opt (-fsection-anchors): New switch.
4464 * varasm.c (object_block_htab, anchor_labelno): New variables.
4465 (hash_section, object_block_entry_eq, object_block_entry_hash)
4466 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4467 (use_blocks_for_decl_p, change_symbol_section): New functions.
4468 (get_variable_section): New function, split out from assemble_variable.
4469 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4470 use_blocks_for_decl_p say so. Use change_symbol_section if the
4471 symbol has already been created.
4472 (assemble_variable_contents): New function, split out from...
4473 (assemble_variable): ...here. Don't output any code for
4474 block symbols; just pass them to place_block_symbol.
4475 Use get_variable_section and assemble_variable_contents.
4476 (get_constant_alignment, get_constant_section, get_constant_size): New
4477 functions, split from output_constant_def_contents.
4478 (build_constant_desc): Create a block symbol if use_object_blocks_p
4479 says so. Or into SYMBOL_REF_FLAGS.
4480 (assemble_constant_contents): New function, split from...
4481 (output_constant_def_contents): ...here. Don't output any code
4482 for block symbols; just pass them to place_section_symbol.
4483 Use get_constant_section and get_constant_alignment.
4484 (force_const_mem): Create a block symbol if use_object_blocks_p and
4485 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4486 (output_constant_pool_1): Add an explicit alignment argument.
4487 Don't switch sections here.
4488 (output_constant_pool): Adjust call to output_constant_pool_1.
4489 Switch sections here instead. Don't output anything for block symbols;
4490 just pass them to place_block_symbol.
4491 (init_varasm_once): Initialize object_block_htab.
4492 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4493 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4494 (place_block_symbol, get_section_anchor, output_object_block)
4495 (output_object_block_htab, output_object_blocks): New functions.
4496 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4497 (TARGET_ASM_OUT): Include it.
4498 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4499 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4500 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4501 (TARGET_INITIALIZER): Include them.
4502 * rtl.c (rtl_check_failed_block_symbol): New function.
4503 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4504 (block_symbol, object_block): New structures.
4505 (rtx_def): Add a block_symbol field to the union.
4506 (BLOCK_SYMBOL_CHECK): New macro.
4507 (rtl_check_failed_block_symbol): Declare.
4508 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4509 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4510 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4511 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4512 * output.h (output_section_symbols): Declare.
4513 (object_block): Name structure.
4514 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4515 (default_use_anchors_for_symbol_p): Declare.
4516 * Makefile.in (RTL_BASE_H): Add vec.h.
4517 (explow.o): Depend on output.h.
4518 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4519 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4520 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4521 (rs6000_use_blocks_for_constant_p): New function.
4523 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4525 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4527 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4530 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4533 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4535 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4539 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4542 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4543 instead of DECL_REGISTER.
4545 2006-02-18 Olivier Hainque <hainque@adacore.com>
4548 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4550 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4553 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4554 * opth-gen.awk: Handle Var and InverseMask together.
4555 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4556 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4557 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4558 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4560 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4561 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4562 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4563 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4564 LINUX_DYNAMIC_LINKER): Define.
4565 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4566 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4568 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4569 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4570 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4571 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4572 (TARGET_C99_FUNCTIONS): Don't define.
4573 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4574 GLIBC_DYNAMIC_LINKER.
4575 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4576 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4577 GLIBC_DYNAMIC_LINKER64): Define.
4578 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4579 LINUX_DYNAMIC_LINKER64.
4580 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4581 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4582 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4583 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4584 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4585 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4586 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4587 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4588 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4589 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4590 and LINUX_DYNAMIC_LINKER32.
4591 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4592 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4593 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4594 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4595 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4597 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4598 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4599 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4600 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4601 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4602 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4603 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4604 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4605 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4606 LINUX_DYNAMIC_LINKER): Define.
4607 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4608 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4609 GLIBC_DYNAMIC_LINKER64): Define.
4610 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4611 LINUX_DYNAMIC_LINKER64.
4612 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4613 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4614 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4615 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4616 LINUX_DYNAMIC_LINKER): Define.
4617 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4618 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4619 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4620 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4621 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4622 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4623 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4624 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4625 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4626 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4627 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4628 * doc/invoke.texi (-muclibc): Remove caveat about supported
4631 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4633 * doc/cpp.texi (__TIMESTAMP__): Document.
4635 2006-02-17 Roger Sayle <roger@eyesopen.com>
4638 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4639 C is one less than the width of X (and related transformations).
4640 * simplify-rtx.c (simplify_unary_operation_1): Transform
4641 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4642 depending on STORE_FLAG_VALUE, were C is one less then the
4645 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4647 Fix PR tree-optimization/26341
4648 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4649 about NAME_MEMORY_TAG's.
4651 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4654 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4655 with hardware float support, and software float support. Add fcpy
4656 alternative to hardware patterns. Add alternatives to copy between
4657 general and floating-point registers to the 32-bit pattern.
4658 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4659 secondary reload to load a QI or HI mode constant into a floating
4661 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4662 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4664 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4667 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4669 (load_macho_picbase_di): Likewise.
4671 2006-02-16 Jeff Law <law@redhat.com>
4673 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4674 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4675 (ssa_name_nonzero_p): Likewise.
4676 (get_value_range): Return NULL if VRP is not running.
4677 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4678 VRP routines do not discover a range.
4679 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4680 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4681 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4682 (tree_expr_nonnegative_p): Similarly.
4683 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4684 (restore_nonzero_vars_to_original_value): Remove.
4685 (unsafe_associative_fp_binop): Remove.
4686 (tree_ssa_dominator_optimize): Remove initialization and
4687 finalization of nonzero_vars and nonzero_vars_stack.
4688 (dom_opt_initialize_block): No longer push marker on
4690 (dom_opt_finalize_block): No longer call
4691 restore_nonzero_vars_to_original_value.
4692 (record_equivalences_from_phis): No longer look for
4693 nonzero PHI arguments.
4694 (cprop_into_successor_phis): No longer propagate nonzero
4695 property into PHI arguments. Lose unused argument. Caller
4697 (record_equivalences_from_stmt): No longer record nonzero
4698 values for SSA_NAMEs.
4699 (lookup_avail_expr): No longer use nonzero_vars.
4701 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4702 for sizetype when sizetype is unsigned.
4704 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4706 PR rtl-optimization/25603
4707 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4708 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4709 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4710 with new meaning of SETS.
4712 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4717 * config/linux.opt: New file.
4718 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4719 LINUX_DYNAMIC_LINKER): Define.
4720 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4721 * config.gcc (*-*-linux*): Define extra_options.
4722 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4723 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4724 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4725 GLIBC_DYNAMIC_LINKER.
4726 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4727 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4728 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4729 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4730 * doc/invoke.texi (GNU/Linux Options): New section.
4732 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4734 * config/sparc/sparc.md (setjmp): Rewrite.
4735 (setjmp_32): Delete.
4736 (setjmp_64): Likewise.
4738 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4740 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4743 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4745 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4748 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4750 PR rtl-optimization/26296
4751 * Makefile.in (loop-invariant.c): Add except.h dependency.
4752 * loop-invariant.c: Include except.h.
4753 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4755 2005-02-16 Paul Brook <paul@codesourcery.com>
4757 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4760 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4762 PR rtl-optimization/25636
4763 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4764 when deciding whether an insn is an initializing insn.
4766 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4768 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4769 (tree_code_size): Ditto.
4770 * tree.h (struct tree_memory_tag): Remove parent_var.
4771 (struct tree_struct_field_tag): New.
4774 (union tree_node): Add sft member.
4775 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4777 (create_sft): Add size and offset argument, set SFT_OFFSET and
4779 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4780 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4781 * tree-flow-inline.h (get_subvar_at): Update for
4782 SFT_OFFSET/SFT_SIZE.
4783 (var_can_have_subvars): Ditto.
4784 (overlap_subvar): Ditto.
4785 * print-tree.c (print_node): Print out interesting things for
4787 * tree-flow.h (struct subvar): Remove offset and size members.
4788 * tree-ssa-operands.c (get_expr_operands): Update for
4789 get_indirect_ref_operands changes.
4790 (get_indirect_ref_operands): Call add_virtual_operand instead of
4791 add_stmt_operand. Only recurse on base var if requested.
4792 (access_can_touch_variable): New function.
4793 (add_stmt_operand): Split virtual operand handling into ...
4794 (add_virtual_operand): Here. Add offset, size, and for_clobber
4795 arguments. Prune alias sets.
4796 (add_call_clobber_ops): Call add_virtual_operand.
4798 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4801 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4803 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4804 than TREE_CODE as index into omp_clause_num_ops array.
4806 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4808 PR rtl-optimization/26184
4809 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4811 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4812 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4813 must_precede, must_follow and tobe_scheduled.
4816 * opts.c (common_handle_option): Free new_option pointer.
4817 * df-core.c (df_analyze): Free postorder pointer.
4819 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4821 * Makefile.in: Fix the examples about the use of stamps
4823 2006-02-15 Michael Matz <matz@suse.de>
4827 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4828 influenced by maximum_field_alignment or DECL_PACKED.
4829 (update_alignment_for_field): Ditto.
4830 (place_field): Ditto.
4831 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4834 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4836 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4837 (debug_flow_info): Pass it.
4838 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4839 * bb-reorder.c (reorder_basic_blocks): Likewise.
4840 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4841 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4842 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4843 * gcse.c (gcse_main, bypass_jumps): Likewise.
4844 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4845 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4846 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4847 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4848 * rtl.h (dump_flow_info): Adjust prototype.
4849 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4850 * var-tracking.c (variable_tracking_main): Likewise.
4851 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4852 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4855 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4857 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4860 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4862 PR tree-optimization/26209
4863 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4864 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4866 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4868 2006-02-14 Roger Sayle <roger@eyesopen.com>
4871 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4872 (X,Y) and the corresponding symmetry related transformations.
4873 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4874 (X,Y) and its symmetry related transformations.
4876 2006-02-14 Roger Sayle <roger@eyesopen.com>
4878 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4881 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4883 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4885 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4888 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4889 support COMDAT group.
4890 * configure: Regenerate.
4892 2006-02-14 Roger Sayle <roger@eyesopen.com>
4897 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4899 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4901 Fix PR tree-optimization/26260
4903 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4905 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4906 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4907 * tree-ssa-structalias.c (create_variable_info_for): Use
4908 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4910 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4912 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4914 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4915 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4916 of the ending condition.
4917 * tree-ssa-loop-manip.c: Include params.h.
4918 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4919 tree_unroll_loop): New functions.
4920 * tree-pass.h (pass_loop_prefetch): Declare.
4921 * loop.c (rest_of_handle_loop_optimize): Test for
4922 -fprefetch-loop-arrays-rtl.
4923 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4924 * timevar.def (TV_TREE_PREFETCH): New timevar.
4925 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4926 pass_loop_prefetch): New.
4927 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4928 (cleanup_tree_cfg_loop): Call scev_reset.
4929 * common.opt (fprefetch-loop-arrays-rtl): Add.
4930 * tree-ssa-loop-prefetch.c: New file.
4931 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4932 (new_temp_expr_table): Initialize expr_vars.
4933 (free_temp_expr_table): Cleanup expr_vars.
4934 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4935 expressions from being merged into one.
4936 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4937 (struct tree_niter_desc): Add control, bound and cmp fields.
4938 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4940 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4941 (tree-cfgcleanup.o): Add SCEV_H dependency.
4942 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4943 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4945 2006-02-14 Richard Guenther <rguenther@suse.de>
4947 PR tree-optimization/26258
4948 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4949 in PHI argument processing.
4951 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4953 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4954 new expression in the requested machine mode.
4956 2006-02-13 Roger Sayle <roger@eyesopen.com>
4958 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4959 directly, instead let do_compare_rtx_and_jump handle this for us.
4960 * expr.c (expand_expr_real_1): Likewise.
4961 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4962 before do_jump_by_parts_greater.
4963 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4964 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4966 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4968 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4970 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4972 PR rtl-optimization/26235
4973 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4974 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4977 2006-02-13 Jeff Law <law@redhat.com>
4979 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4982 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4985 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4986 twice if decl is a builtin. When trying again, call get_callee_fndecl
4987 first to verify it is still a builtin.
4989 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4991 * dwarf2out.c (base_type_die): Don't add AT_name here.
4992 (subrange_type_die): Don't add AT_name here.
4993 (modified_type_die): Rearrange code flow. Do add AT_name here.
4995 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4997 PR rtl-optimization/26247
4998 PR rtl-optimization/26248
4999 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5001 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5003 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5004 * config/fixtfdi.c: Likewise.
5005 * config/fixunstfdi.c: Likewise.
5006 * config/floatditf.c: Likewise.
5008 2006-02-13 Roger Sayle <roger@eyesopen.com>
5011 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5012 into (X,C2) if C1 is a subset of the bits of C2. Transform
5013 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5015 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5017 2006-02-13 Josh Conner <jconner@apple.com>
5020 * varasm.c (function_section): Check for section name before
5021 calling select_section on targets that define
5022 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5023 unlikely_text_section instead of hot_function_section if
5024 first_function_block_is_cold.
5026 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5029 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5031 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5033 PR rtl-optimization/26222
5034 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5035 after tree->rtl expansion.
5036 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5037 before passing it to emit_move_insn.
5039 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5041 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5043 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5044 Clarify documentation.
5045 * c-common.h (warn_write_strings): Remove.
5046 * c-common.c (warn_write_strings): Likewise.
5047 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5050 2006-02-12 Roger Sayle <roger@eyesopen.com>
5053 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5054 (do_jump_parts_zero_rtx): New function renamed from
5055 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5056 (do_jump_parts_equality_rtx): New function split out from
5057 do_jump_parts_equality. Old implementation renamed as above.
5058 Call do_jump_parts_zero_rtx if either operand is zero.
5059 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5060 do all of the heavy lifting.
5061 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5062 calling either do_jump_by_parts_greater_rtx or
5063 do_jump_by_parts_equality_rtx.
5064 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5065 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5066 moved to do_compare_rtx_and_jump, call it directly.
5067 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5068 mode argument. Call do_compare_rtx_and_jump.
5069 (emit_case_nodes): Update calls to do_jump_if_equal.
5071 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5073 PR rtl-optimization/26225
5074 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5076 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5078 PR rtl-optimization/26232
5079 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5081 2006-02-11 Jason Merrill <jason@redhat.com>
5084 * tree-inline.c (declare_return_variable): Just don't use the
5085 modify target if it's a gimple complex reg and the return slot
5088 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5090 * doc/contrib.texi: Update my entry.
5092 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5094 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5096 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5098 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5101 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5103 * doc/invoke.texi (-floop-optimize2): Removed.
5104 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5105 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5106 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5107 * common.opt (floop-optimize2): Removed.
5108 (fmove-loop-invariants): Enabled by default.
5110 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5112 * tree-if-conv.c (combine_blocks): Free the result of
5113 get_loop_exit_edges.
5115 2006-02-10 Jeff Law <law@redhat.com>
5117 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5119 PR tree-optimization/26213
5120 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5121 loop trying to follow SSA_NAME_VALUE chains.
5123 2006-02-10 Richard Guenther <rguenther@suse.de>
5125 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5126 deal with structures that end in implicitly variable sized arrays.
5128 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5130 PR rtl-optimization/24762
5131 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5134 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5136 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5137 (struct ivopts_data): Add regs_used field.
5138 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5139 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5140 instead of loop_data->regs_used;
5141 (free_loop_data): Do not free aux fields for loops.
5142 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5143 and tree_ssa_iv_optimize_finalize.
5145 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5147 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5149 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5152 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5153 computing the effective result type.
5155 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5158 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5159 (tree_overlaps_hard_reg_set): Declare.
5160 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5161 type and signature to match function type expected by walk_tree.
5162 (tree_overlaps_hard_reg_set): New function.
5163 (decl_conflicts_with_clobbers_p): Rename to:
5164 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5165 Use tree_overlaps_hard_reg_set. Changed caller.
5166 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5167 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5168 * cris.c (cris_md_asm_clobbers): Likewise.
5170 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5172 * reload1.c (emit_input_reload_insns): Delete code that tries to
5173 inherit using find_equiv_reg.
5175 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5177 * c-common.h (flag_const_strings): Don't declare.
5178 * c-common.c (flag_const_strings): Remove.
5179 * c.opt (fconst_strings): Remove.
5180 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5181 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5182 (c_common_init_options): Don't set flag_const_strings.
5183 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5185 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5187 * arm.md (tlobits_cbranch): New pattern.
5188 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5189 testing a single bit.
5191 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5194 * tree-ssa-pre.c (create_component_ref_by_pieces):
5195 Handle RETURN_DECL like VAR_DECL.
5197 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5200 * fold-const.c (fold_indirect_ref_1): Fold
5201 "*(foo *)&complexfoo" to "__real__ complexfoo"
5202 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5204 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5206 * tree-flow-inline.h (var_can_have_subvars):
5207 Volatile variables should not have subvariables.
5209 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5212 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5213 multiplying unsigned values.
5216 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5218 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5220 2006-02-08 Jason Merrill <jason@redhat.com>
5223 * tree.def: Elaborate on difference from MODIFY_EXPR.
5224 * doc/c-tree.texi (INIT_EXPR): Likewise.
5225 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5226 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5227 (gimplify_target_expr): Likewise.
5228 (gimplify_cond_expr): Remove target handling.
5229 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5230 (gimplify_expr): Clobber it here.
5231 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5232 Do return slot optimization if we have an INIT_EXPR.
5235 * tree-inline.c (declare_return_variable): Also clear
5236 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5239 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5242 * gimplify.c (gimplify_one_sizepos): Fix typo.
5244 2006-02-08 Jeff Law <law@redhat.com>
5246 PR tree-optimization/21417
5247 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5248 across a backedge if the control statement at the end of the
5249 block is data dependent on other statements in the same block.
5250 (record_temporary_equivalences_from_stmts): Remove over-conservative
5251 test for threading across backedges.
5253 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5254 control statement, handle all three special cases in the same
5255 manner as they all have the same desired solution. No longer
5256 special case edge flag updating when the post dominator is
5259 2006-02-08 Roger Sayle <roger@eyesopen.com>
5261 * tree.def (CHAR_TYPE): Remove.
5262 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5263 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5264 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5265 (gen_string_type_die): Delete unreachable function.
5267 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5268 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5269 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5270 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5271 * builtins.c (type_to_class): Likewise.
5272 * fold-const.c (fold_convert, build_range_check,
5273 merge_ranges): Likewise.
5274 * expr.c (count_type_elements): Likewise.
5275 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5276 * stor-layout.c (layout_type): Likewise.
5277 * ipa-type-escape.c (type_to_consider): Likewise.
5278 * gimplify.c (omp_firstprivatize_type_sizes,
5279 gimplify_type_sizes): Likewise.
5280 * explow.c (promote_mode): Likewise.
5281 * tree-sra.c (is_sra_scalar_type): Likewise.
5282 * varasm.c (output_constant): Likewise.
5283 * tree-inline.c (remap_type_1): Likewise.
5284 * convert.c (convert_to_pointer, convert_to_real,
5285 convert_to_integer, convert_to_complex): Likewise.
5287 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5289 * df-scan.c (df_def_record_1): A set destination may
5290 be a parallel regardless of mode.
5292 2006-02-08 Roger Sayle <roger@eyesopen.com>
5295 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5296 * config/mips/_tilib.c: Remove.
5297 * config/fixtfdi.c: New libgcc source file.
5298 * config/fixunstfdi.c: New source file.
5299 * config/floatditf.c: New source file.
5300 * config/floatunditf.c: New souce file.
5301 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5302 files above instead of config/mips/_tilib.c.
5303 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5305 2006-02-08 Jeff Law <law@redhat.com>
5307 PR tree-optimization/26169
5308 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5311 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5313 * df.h (DF_REG_SIZE): Return the length of the initialized
5316 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5318 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5319 __muldf3): Return a correctly signed zero.
5321 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5323 * passes.c (register_one_dump_file): Accept the current properties
5324 instead of pass number. Adjust call to dump_register. Remove
5326 (register_dump_files): Now a wrapper around...
5327 (register_dump_files_1): ... this one. Do not modify the pass
5329 (next_pass_1): Cosmetic fix.
5330 (execute_todo): Keep second parameter only. Use curr_properties
5331 instead of fetching it from the pass structure. Check and set
5333 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5334 instead of fetching it from the pass structure. Fix calls to
5335 execute_todo. Update curr_properties and initialize .vcg RTL dump
5336 after running the pass. Reset last_verified.
5337 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5339 (FIRST_AUTO_NUMBERED_DUMP): New.
5340 (dump_register): Remove "num" parameter, assign it within the
5342 (get_dump_file_name): Modify template for dumps.
5343 * tree-dump.h (dump_register): Adjust prototype.
5344 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5345 (PROP_trees): Add PROP_gimple_lomp.
5346 (TODO_set_props): New.
5347 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5348 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5349 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5351 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5353 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5354 (sparc64-*-linux*): Likewise.
5355 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5356 * config/sparc/t-linux: New file.
5357 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5358 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5359 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5360 -m32 -mlong-double-128.
5362 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5363 * config/alpha/t-linux: New file.
5364 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5366 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5367 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5368 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5369 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5370 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5371 (CPP_ARCH32_SPEC): Remove.
5373 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5375 PR tree-optimization/26145
5376 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5379 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5382 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5383 >= 240000 when generating code for SOM runtime.
5384 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5385 to $$dyncall when generating code for SOM runtime..
5387 2006-02-07 Dirk Mueller <dmueller@suse.com>
5390 * doc/invoke.texi (-Wsequence-point): Update documentation
5391 that -Wsequence-point is implemented for C++ as well.
5393 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5395 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5396 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5397 (LIB_SPEC): Likewise.
5398 * doc/invoke.texi (SPARC options): Document -pthread.
5400 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5402 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5405 2006-02-07 Roger Sayle <roger@eyesopen.com>
5407 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5408 Correct comment describing BOOLEAN_TYPE.
5410 2006-02-07 Dirk Mueller <dmueller@suse.com>
5412 * c.opt: C++ frontend supports -Wdiv-by-zero.
5413 * c-opts.c (c_common_handle_option): Remove dead case.
5415 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5417 * configure.ac (TLS assembler check): Do not enable TLS by
5418 default on SPARC/Solaris before version 10.
5419 * configure: Regenerate.
5421 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5423 * doc/invoke.texi (xl-compat): Document conversion and support
5426 2006-02-07 Jeff Law <law@redhat.com>
5428 * tree-vrp.c (find_conditional_asserts): Update comments.
5429 (simplify_stmt_for_jump_threading): New.
5430 (identify_jump_threads, finalize_jump_threads): New.
5431 (vrp_finalize): Call identify_jump_threads.
5432 (execute_vrp): Call finalize_jump_threads.
5433 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5434 (vrp_element, vrp_data, vrp_element_p): Remove.
5435 (vrp_hash_elt, vrp_variables_stack): Remove.
5436 (vrp_hash, vrp_eq, record_range): Remove.
5437 (simplify_cond_and_lookup_avail_expr): Remove.
5438 (extract_range_from_cond): Remove.
5439 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5440 (simplify_stmt_for_jump_threading): New.
5441 (dom_thread_across_edge): New wrapper.
5442 (tree_ssa_dominator_optimize): No longer initialize or
5443 finalize any of the VRP datastructures. Remove iteration
5444 step and simplify as a result of removal of iteration step.
5445 (pass_dominator): Perform a cfg cleanup after DOM.
5446 (dom_opt_finalize_block): Use the new common routines
5447 for threading jumps. Simplify stack management slightly.
5448 No longer need to unwind VRP state.
5449 (record_equivalences_from_incoming_edge): No longer record
5451 (eliminate_redundant_computations): No longer call
5452 simplify_cond_and_lookup_avail_expr.
5453 * tree-flow.h (potentially_threadable_block): Prototype.
5454 (thread_across_edge): Likewise.
5455 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5456 (tree-ssa-threadedge.o): Add dependencies.
5457 * tree-ssa-threadedge.c: New file.
5458 * passes.c (init_optimization_passes): Merge PHIs before
5459 calling VRP. Run VRP again late in the SSA optimization pipeline.
5461 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5463 * df-core.c (df_set_blocks): Do not dereference function pointers.
5464 (df_finish1): Likewise.
5465 (df_hybrid_search_forward): Likewise.
5466 (df_hybrid_search_backward): Likewise.
5467 (df_iterative_dataflow): Likewise.
5468 (df_analyze_problem): Likewise.
5469 (df_compact_blocks): Likewise.
5470 (df_dump): Likewise.
5471 * df-scan.c (df_rescan_blocks): Likewise.
5472 (df_record_entry_block_defs): Likewise.
5474 * genconditions.c (write_conditions): Guard the definition of
5475 'insn_conditions' with the check on GCC version.
5476 (write_writer): Guard the traversal 'insn_conditions' with
5477 the check on GCC version.
5479 2006-02-07 Richard Guenther <rguenther@suse.de>
5483 2006-01-30 Richard Guenther <rguenther@suse.de>
5485 * gimplify.c (gimplify_target_expr): Handle easy cases
5486 without creating a temporary.
5488 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5490 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5491 use of float in probability computations. Use edge probabilities
5492 in place of statically computed probabilities.
5493 (min_spec_prob): New static variable.
5494 (schedule_insns): Initialize it.
5495 (GET_SRC_PROB): Removed.
5496 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5498 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5501 * config/ia64/unwind-ia64.c: Revert last change.
5502 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5503 (INCOMING_FRAME_SP_OFFSET): Define.
5505 2006-02-06 Roger Sayle <roger@eyesopen.com>
5507 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5509 2006-02-07 Ben Elliston <bje@au.ibm.com>
5511 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5512 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5513 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5514 (ix86_return_in_memory): Handle TDmode.
5515 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5516 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5518 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5520 * reorg.c (dbr_schedule): Use dump_file instead of file.
5522 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5525 * config/ia64/predicates.md (extr_len_operand): New predicate.
5526 * config/ia64/ia64.md (extv): Tighten constraints.
5528 (*tbit_and_2): Ditto.
5529 (*tbit_and_3): Ditto.
5530 (*tbit_or_2): Ditto.
5531 (*tbit_or_3): Ditto.
5535 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5538 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5540 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5542 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5543 loop_optimizer_init and loop_optimizer_finalize
5544 * tree-ssa-sink.c (execute_sink_code): Ditto.
5545 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5546 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5547 tree_ssa_loop_done): Ditto.
5548 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5549 * sched-ebb.c: Include output.h.
5550 (schedule_ebbs): Do not use dump argument.
5551 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5552 * loop.c (loop_dump_stream): Removed.
5553 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5555 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5556 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5557 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5558 loop_iterations, strength_reduce, record_biv, record_giv,
5559 final_giv_value, check_final_value, check_ext_dependent_givs,
5560 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5561 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5562 dump_file instead of loop_dump_stream.
5563 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5565 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5567 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5568 * haifa-sched.c: Include output.h
5569 (schedule_insns, sched_init): Do not use dump argument.
5570 * mode-switching.c (optimize_mode_switching): Ditto.
5571 * modulo-sched.c (stats_file): Removed.
5572 (print_node_sched_params): Do not call argument dump_file.
5573 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5574 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5576 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5578 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5579 rtl_loop_init, rtl_loop_done): Ditto.
5580 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5581 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5583 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5584 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5585 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5586 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5587 * emit-rtl.c (renumber_insns): Ditto.
5588 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5589 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5590 * regclass.c (regclass): Ditto.
5591 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5592 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5593 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5594 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5596 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5597 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5599 * gcse.c (gcse_file, debug_stderr): Removed.
5600 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5601 rest_of_handle_gcse): Do not use dump argument.
5602 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5603 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5604 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5605 compute_code_hoist_vbeinout, compute_code_hoist_data,
5606 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5607 compute_store_table, build_store_vectors, insert_insn_start_bb,
5608 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5609 store_motion): Use dump_file instead of gcse_file.
5610 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5611 * profile.c (profile_dump_file): Removed.
5612 (branch_prob): Use dump_file instead of profile_dump_file.
5613 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5615 * tree-ssa-copy.c (dump_copy_of): Ditto.
5616 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5617 dump file to life_analysis.
5618 * bt-load.c (branch_target_load_optimize): Ditto.
5619 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5621 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5622 regclass, dbr_schedule): Declaration changed.
5623 * sched-int.h (sched_init): Declaration changed.
5624 * tree-profile.c (tree_profile_dump_file): Removed.
5625 (tree_profile_hooks): Removed profile_dump_file hook.
5626 * rtl-profile (rtl_profile_dump_file): Removed.
5627 (rtl_profile_hooks): emoved profile_dump_file hook.
5628 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5630 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5631 * tree-cfg.c (build_tree_cfg): Ditto.
5632 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5633 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5634 Declaration changed.
5635 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5636 life_analysis and schedule_insns.
5637 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5639 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5641 * config/mips/mips.c (mips_reorg): Ditto.
5642 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5645 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5647 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5648 (s390_mangle_fundamental_type): New.
5649 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5652 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5653 (alpha_mangle_fundamental_type): New.
5654 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5657 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5659 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5661 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5662 (sparc_mangle_fundamental_type): New.
5664 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5666 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5667 (s390x-*-linux*): Likewise.
5668 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5669 * config/s390/t-linux: New file.
5671 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5673 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5674 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5676 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5678 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5679 (ANTIC_SAFE_LOADS): New macro.
5680 (find_or_generate_expression): Add prototype.
5681 (set_contains_value): Allow null set for sake of not always having
5682 to allocate ANTIC_SAFE_LOADS.
5683 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5684 Allow COMPONENT_REF too.
5685 (valid_in_set): Allow COMPONENT_REF.
5686 Check ANTIC_SAFE_LOADS too.
5687 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5688 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5690 (can_PRE_operation): Add COMPONENT_REF.
5691 (create_component_ref_by_pieces): New function.
5692 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5693 (insert_aux): Move AGGREGATE_TYPE_P check here.
5694 (compute_avail): Set bb local stmt uids.
5695 (pass_pre): Use TODO_update_ssa_only_virtuals.
5697 2006-02-06 Ben Elliston <bje@au.ibm.com>
5699 * configure.ac: Unconditionally disable decimal float by default.
5700 * configure: Regenerate.
5702 2006-02-06 Ben Elliston <bje@au.ibm.com>
5704 * read-rtl.c (read_name): Terminate reading on EOF.
5706 2006-02-06 Ben Elliston <bje@au.ibm.com>
5708 * dfp.c (decimal_real_arithmetic): Change second argument type
5709 from int to enum tree_code. Do not always return true, but now
5710 return result of any call to decimal_do helper functions.
5711 * dfp.h (decimal_real_arithmetic): Update prototype.
5713 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5715 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5717 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5720 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5723 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5725 * tree-vrp.c (cfg_loops): Removed.
5726 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5727 Use current_loops instead of cfg_loops. Pass flags to
5728 loop_optimizer_init.
5729 * cfgloopmanip.c (fix_loop_structure): Update only available
5731 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5732 loop_optimizer_init.
5733 * modulo-sched.c (build_loops_structure): Removed.
5734 (sms_schedule): Use loop_optimizer_init.
5735 * loop-init.c (loop_optimizer_init): Use flags to determine
5736 which properties of loops to prepare.
5737 (rtl_loop_init): Pass flags to loop_optimizer_init.
5738 * tree-ssa-sink.c (execute_sink_code): Ditto.
5739 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5740 * tree-ssa-pre.c (init_pre): Ditto.
5741 * cfgloop.h (LOOPS_NORMAL): New.
5742 (loop_optimizer_init): Declaration changed.
5744 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5746 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5747 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5749 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5751 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5753 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5754 * pa/t-pa64: Delete quadlib.c rule.
5755 * pa/x-ada: Revert last change.
5756 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5758 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5760 PR rtl-optimization/26087
5761 * rtlanal.c (canonicalize_condition): Do not cross basic block
5764 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5767 * config/ia64/ia64.c: Include debug.h.
5768 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5769 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5770 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5771 (process_epilogue, process_set, process_for_unwind_directive):
5772 Output unwind info only if requested. Add CFA info if requested.
5773 Add new arguments as needed. Adjust callers.
5774 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5776 (DWARF2_FRAME_INFO): Define to zero.
5777 * config/ia64/unwind-ia64.c: Remove code that compensated for
5778 the CFA offset error fixed above.
5779 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5780 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5781 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5782 -funwind-tables and -fexceptions to enable frame info.
5783 (dwarf2out_frame_init): Define initial CFA even if
5784 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5785 DWARF2_UNWIND_INFO is nonzero, not just defined.
5786 (dwarf2out_frame_finish): Output non-EH call frame info only
5787 if DWARF2_FRAME_INFO is nonzero.
5788 (convert_cfa_to_loc_list,
5789 compute_frame_pointer_to_cfa_displacement): Define even if
5790 unwind info is not supported.
5791 (gen_subprogram_die): Use the above unconditionally. Remove
5792 legacy alternate code.
5793 * toplev.c (compile_file): Compile in call to
5794 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5795 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5797 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5798 Jakub Jelinek <jakub@redhat.com>
5800 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5801 IBM extended float format long double as "g" on powerpc*-linux.
5803 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5806 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5807 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5809 2006-02-03 Jason Merrill <jason@redhat.com>
5812 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5815 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5816 on the return slot if it's an NRV.
5818 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5820 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5821 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5822 rewrite_use): Do not handle USE_OUTER.
5823 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5824 add_iv_outer_candidates, may_replace_final_value,
5825 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5826 (find_interesting_uses_op): Functionality of
5827 find_interesting_uses_outer_or_nonlin moved here.
5828 (find_interesting_uses_outside): Use find_interesting_uses_op.
5830 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5833 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5835 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5836 Ulrich Weigand <uweigand@de.ibm.com>
5839 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5840 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5841 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5842 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5844 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5845 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5846 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5847 Define secondary reloads for TFmode moves.
5848 (constant_modes): Add TFmode.
5849 (NR_C_MODES): Set to 8.
5850 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5852 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5853 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5854 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5855 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5856 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5857 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5858 (FPR mode macro): Add TFmode.
5859 (DSF mode macro): New.
5860 (<de>, <dee> mode attributes): Removed.
5861 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5862 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5863 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5864 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5865 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5866 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5867 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5868 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5869 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5870 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5871 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5872 "*negabs<mode>2", "sqrt<mode>2"):
5873 Changed <de> to <xde>. R constraint replaced by <Rf>.
5874 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5876 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5877 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5878 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5880 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5881 "extenddftf2", "extendsftf2"): New expanders.
5882 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5883 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5884 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5885 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5887 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5888 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5889 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5890 __floatditf): Add a GCC_4.1.0 symbol version tag.
5891 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5894 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5897 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5898 Use targetm.binds_local_p instead of TREE_PUBLIC.
5900 2006-02-02 Roger Sayle <roger@eyesopen.com>
5902 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5903 on INTEGER_TYPEs to indicate that it denotes a character type.
5904 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5905 signed_char_type_node, unsigned_char_type_node and char_type_node.
5906 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5907 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5908 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5910 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5911 Daniel Berlin <dberlin@dberlin.org>
5913 * tree-tailcall.c (arg_needs_copy_p): New function.
5914 (eliminate_tail_call): Use arg_needs_copy_p.
5915 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5916 (add_virtual_phis): New function.
5918 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5920 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5921 #ignore instead of #scratch for %g7 .register directive.
5923 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5925 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5928 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5930 * flow.c (calculate_global_regs_live): Assert that there aren't any
5933 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5935 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5937 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5938 bsi_after_labels iterator.
5939 * tree-if-conv.c (find_phi_replacement_condition,
5940 replace_phi_with_cond_modify_expr): Likewise.
5941 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5942 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5944 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5946 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5948 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5951 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5952 array after growing it.
5954 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5957 * fold-const.c (fold_checksum_tree): Change type of buf.
5959 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5961 * reload.c (push_secondary_reload): Initialize t_icode.
5963 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5965 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5966 -msoft-float -mlong-double-128 only issue a warning, but don't
5967 swich to DFmode long double.
5969 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5971 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5972 has a constant equivalent, iterate over equivalents for arg0,
5973 calling simplify_relational_operation and if there's a result
5974 cheaper than X, apply fold_rtx and return the result.
5976 2006-02-01 Jan Hubicka <jh@suse.cz>
5978 * opts.c (no_unit_at_a_time_default): New global variable.
5979 (decode_options): Use it.
5980 * opts.h (no_unit_at_a_time_default): Declare.
5982 2006-02-01 Paul Brook <paul@codesourcery.com>
5984 * function.c (assign_parm_setup_reg): Use function argument promotion
5986 * expr.c (expand_expr_real_1): Use function argument promotion rules
5989 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5991 * gcc.c (process_command): Change j to 'unsigned int'.
5993 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5996 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5997 Use the corrected index for the character
5998 out of the string constant.
6000 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6002 * mode-switching.c (optimize_mode_switching): Fix size
6003 allocated for bb_info[n_entities].
6005 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6007 * gcc.c (main): Correct type that is allocated for
6008 explicit_link_files.
6010 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6012 * config/s390/s390.c (init_alignment_context): Set
6013 ALIAS_SET_MEMORY_BARRIER on the MEM.
6014 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6016 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6019 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6021 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6024 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6026 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6027 * regrename.c: Ditto.
6028 * tree-ssa-loop-im.c: Ditto.
6029 * tree-dump.c: Ditto.
6030 * tree-complex.c: Ditto.
6031 * genrecog.c: Ditto.
6032 * tree-ssa-threadupdate.c: Ditto.
6034 * java/class.c: Ditto.
6035 * java/jcf-parse.c: Ditto.
6036 * java/resource.c: Ditto.
6037 * java/except.c: Ditto.
6038 * java/jvspec.c: Ditto.
6039 * java/jcf-write.c: Ditto.
6040 * java/jcf-path.c: Ditto.
6041 * java/gjavah.c: Ditto.
6042 * java/zextract.c: Ditto.
6043 * java/jcf-io.c: Ditto.
6044 * java/jcf.h: Ditto.
6045 * java/buffer.c: Ditto.
6046 * java/lang.c: Ditto.
6047 * java/parse-scan.y: Ditto.
6048 * java/lex.c: Ditto.
6049 * java/lex.h: Ditto.
6050 * cfgloopmanip.c: Ditto.
6051 * postreload-gcse.c: Ditto.
6052 * tree-ssa-loop-manip.c: Ditto.
6053 * postreload.c: Ditto.
6054 * tree-ssa-loop-ch.c: Ditto.
6058 * diagnostic.c: Ditto.
6060 * genoutput.c: Ditto.
6062 * cfghooks.c: Ditto.
6063 * cfgloopanal.c: Ditto.
6064 * objc/objc-act.c: Ditto.
6066 * genextract.c: Ditto.
6067 * genautomata.c: Ditto.
6068 * pretty-print.c: Ditto.
6070 * cgraphunit.c: Ditto.
6073 * haifa-sched.c: Ditto.
6074 * dominance.c: Ditto.
6076 * tree-ssa-loop-ivopts.c: Ditto.
6078 * mode-switching.c: Ditto.
6079 * modulo-sched.c: Ditto.
6081 * ipa-pure-const.c: Ditto.
6083 * fix-header.c: Ditto.
6085 * tree-stdarg.c: Ditto.
6086 * ipa-utils.c: Ditto.
6087 * loop-init.c: Ditto.
6088 * ipa-inline.c: Ditto.
6091 * alloc-pool.c: Ditto.
6092 * dwarf2out.c: Ditto.
6094 * genattrtab.c: Ditto.
6095 * tree-ssa-loop-ivcanon.c: Ditto.
6099 * fortran/gfortranspec.c: Ditto.
6101 * local-alloc.c: Ditto.
6102 * langhooks.c: Ditto.
6103 * function.c: Ditto.
6104 * tree-vectorizer.c: Ditto.
6106 * ipa-type-escape.c: Ditto.
6108 * tree-if-conv.c: Ditto.
6111 * tree-data-ref.c: Ditto.
6112 * loop-unroll.c: Ditto.
6113 * treelang/treetree.c: Ditto.
6116 * ggc-common.c: Ditto.
6118 * coverage.c: Ditto.
6120 * tree-cfgcleanup.c: Ditto.
6121 * tree-ssa-pre.c: Ditto.
6122 * cfgcleanup.c: Ditto.
6123 * loop-invariant.c: Ditto.
6125 * ipa-prop.c: Ditto.
6126 * print-tree.c: Ditto.
6127 * conflict.c: Ditto.
6128 * ggc-page.c: Ditto.
6129 * sched-deps.c: Ditto.
6130 * regclass.c: Ditto.
6131 * tree-object-size.c: Ditto.
6133 * bb-reorder.c: Ditto.
6134 * resource.c: Ditto.
6135 * var-tracking.c: Ditto.
6137 * df-problems.c: Ditto.
6138 * reg-stack.c: Ditto.
6141 * sched-rgn.c: Ditto.
6142 * tree-ssa-structalias.c: Ditto.
6143 * tree-ssa-reassoc.c: Ditto.
6144 * config/darwin-c.c: Ditto.
6145 * config/darwin.c: Ditto.
6146 * config/arm/arm.c: Ditto.
6148 * collect2.c: Ditto.
6151 2006-01-31 Nicolas Pitre <nico@cam.org>
6153 * arm.md (smaxsi3): Make aware of smax_m1.
6156 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6158 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6160 2006-01-31 Richard Guenther <rguenther@suse.de>
6162 * doc/invoke.texi (-msselibm): Document.
6163 * target.h (expand_library_builtin): New target hook.
6164 * builtins.c (expand_builtin): Use expand_library_builtin.
6165 (default_expand_library_builtin): New function.
6166 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6167 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6168 (link_gcc_math_spec): Declare.
6169 (static_specs): Add link_gcc_math_spec.
6170 * expr.h (default_expand_library_builtin): Declare.
6171 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6172 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6173 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6174 * config/i386/i386.opt (msselibm): New target option.
6175 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6176 (ix86_init_sse_abi_builtins): New function.
6177 (ix86_expand_library_builtin): Likewise.
6178 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6179 (override_options): Handle error conditions wrt -msselibm.
6180 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6181 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6182 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6185 2006-01-31 Richard Guenther <rguenther@suse.de>
6186 Paolo Bonzini <bonzini@gnu.org>
6188 * doc/install.texi (--disable-libgcc-math): Document.
6190 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6192 * expr.h (expand_normal): new inline function.
6193 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6195 * dwarf2out.c: use it.
6200 * config/sparc/sparc.c: use it.
6201 * config/i386/i386.c: use it.
6202 * config/rs6000/rs6000.c: use it.
6203 * config/arm/arm.c: use it.
6204 * config/mips/mips.c: use it.
6205 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6207 2006-01-30 Roger Sayle <roger@eyesopen.com>
6209 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6210 argv to the appropriate type.
6212 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6214 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6217 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6220 * config/s390/s390.c (struct machine_function): New flag
6221 decomposed_literal_pool_addresses_ok_p.
6222 (s390_reorg): Set it before final stage of literal pool transforms.
6223 (s390_decompose_address): Only accept displacements of the form
6224 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6226 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6228 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6229 the comparison routine return.
6231 2006-01-30 Michael Matz <matz@suse.de>
6233 * global.c (find_reg): Only evict for global regs.
6234 Take n_refs into account and dump more info.
6236 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6239 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6240 (pragma_trap, pragma_nosave_low_regs): Likewise.
6241 (current_function_anonymous_args): Likewise.
6242 (sh_deferred_function_attributes): New variable.
6243 (sh_deferred_function_attributes_tail): Likewise.
6244 (print_operand): For '@', look up trap_exit attribute.
6245 (calc_live_regs): Look up trapa_handler attribute. For trapa
6246 handlers, save/restore fpscr, but don't do any other
6247 interrupt-specific saves.
6248 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6249 Fix check for partially saved registers to check for SHmedia.
6250 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6251 (sh_output_function_epilogue): Don't clear any of the removed
6253 (sh_insert_attributes): Don't check pragma_interrupt.
6254 Insert deferred attributes. Check that interrupt attribute is
6255 present for other attributes that require its presence.
6256 (sh_attribute_table): Add new attributes trapa_handler and
6258 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6259 Don't check for pragma_interrupt. Don't store argument.
6260 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6261 (sh_deferred_function_attributes): Declare.
6262 (sh_deferred_function_attributes_tail): Likewise.
6263 * sh.md (sp_switch_1): Add operand. Change generator caller.
6264 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6265 (*return_i): Don't use when trap_exit attribute is in effect.
6266 (*return_trapa): New insn pattern.
6268 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6269 setting c_target_objs and cxx_target_objs.
6270 * t-sh: Add rule for sh-c.o.
6272 2006-01-30 Richard Guenther <rguenther@suse.de>
6275 * gimplify.c (gimplify_target_expr): Handle easy cases
6276 without creating a temporary.
6278 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6280 * vec.h (safe_grow): Remove duplicated line.
6282 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6285 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6286 (expand_omp): ... here.
6287 (expand_omp_parallel): Only remove barriers for combined
6288 parallel+workshare constructs.
6290 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6294 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6295 * tree.c (build_qualified_type): Chain the new type to the original
6296 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6297 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6298 (build_pointer_type_for_mode): Only return unqualified types.
6299 (build_reference_type_for_mode): Likewise.
6301 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6303 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6304 * Makefile.in (CXX_COMPAT_WARN): Define.
6305 * configure: Regenerate.
6307 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6310 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6313 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6315 * toplev.c: Fix thinko.
6317 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6318 Marcin Dalecki <martin@dalecki.de>
6320 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6321 (push_srcloc): Use XNEW.
6322 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6324 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6326 * df-core.c (df_set_blocks): Deleted all variable.
6328 2006-01-28 Ian Lance Taylor <ian@airs.com>
6330 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6331 cgraph_output_pending_asms.
6333 2006-01-28 Zack Weinberg <zackw@panix.com>
6335 * c.opt: Add -W(no-)overlength-strings.
6336 * doc/invoke.texi: Document it.
6337 * c-opts.c (c_common_handle_option): -pedantic implies
6338 -Woverlength-strings, if not explicitly disabled already.
6339 (c_common_post_options): -Woverlength-strings defaults to off, and
6340 is always off for C++.
6341 * c-common.c (fix_string_type): Issue warning about strings longer
6342 than is portable only if warn_overlength_strings. Rearrange code
6343 a little for clarity.
6344 * configure.in: Check for -Wno-overlength-strings as well before
6345 enabling -pedantic in stage 1.
6346 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6347 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6349 * genconditions.c (write_header, write_one_condition)
6350 (write_conditions, write_writer): Consolidate very long strings
6351 that were broken up to fit in C89 portable limit. Don't use
6352 printf when fputs will do.
6354 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6356 * combine.c (simplify_comparison <AND>): Check
6357 TRULY_NOOP_TRUNCATION before start using a subreg.
6359 * config/mips/mips.md (*branch_zero<mode>,
6360 *branch_zero<mode>_inverted, *branch_equality<mode>,
6361 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6362 Remove mode check from comparisons.
6364 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6366 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6368 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6370 * expmed.c (const_mult_add_overflow_p): Remove.
6371 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6373 * recog.c (validate_replace_rtx_subexp): Remove.
6374 * recog.h: Remove the prototype for
6375 validate_replace_rtx_subexp.
6377 * integrate.h: Remove the prototype for
6378 copy_decl_for_inlining.
6379 * rtl.h: Remove the prototype for mark_constant_function.
6380 * tree-vectorizer.h: Remove the prototype for
6381 vect_strip_conversion.
6383 * modulo-sched.c (create_partial_schedule,
6384 free_partial_schedule, reset_partial_schedule): Make them
6387 * hooks.c (hook_bool_rtx_int_false): Remove.
6388 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6390 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6392 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6393 and -mlong-double-128 are incompatible.
6394 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6395 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6396 (TARGET_LIBGCC2_CFLAGS): Define.
6397 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6398 (TARGET_LIBGCC2_CFLAGS): Same.
6399 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6401 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6404 * c-typeck.c (build_binary_op): Perform implicit casts of
6405 operands before shortening them.
6407 * cfgloopmanip.c (split_loop_bb): Remove.
6408 * cfgloop.h: Remove the prototype for split_loop_bb.
6410 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6411 * cfgloop.h: Remove the prototype for
6412 flow_loop_outside_edge_p.
6414 * emit-rtl.c (init_virtual_regs): Make it static.
6415 * function.h: Remove the prototype for init_virtual_regs.
6417 * recog.c (peephole2_optimize): Make it static.
6418 * recog.h: Remove the prototype for peephole2_optimize.
6420 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6422 * df-scan.c (df_record_entry_block_defs): Check if
6423 INCOMING_RETURN_ADDR_RTX is defined.
6425 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6426 Kenneth Zadeck <zadeck@naturalbridge.com>
6428 PR rtl-optimization/24762
6429 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6430 * targhooks.c (hook_void_bitmap): New hook prototype.
6431 * targhoohs.h (hook_void_bitmap): Ditto.
6432 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6433 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6434 * target.h (live_on_entry): New function pointer.
6435 * df-scan.c (df_all_hard_regs): Removed.
6436 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6437 (df_scan_free_internal): Added df->entry_block_defs.
6438 (df_scan_alloc): Ditto.
6439 (df_scan_dump): Ditto.
6440 (df_uses_record): Plumbed flag field properly thru calls.
6441 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6442 This part fixes PR24762.
6443 (df_bb_refs_record): Added code to make the frame and arg
6444 pointers live in EH blocks.
6445 (df_refs_record): Added call to df_record_entry_block_defs.
6446 (df_record_entry_block_defs): New function.
6447 * df-core.c: Added comments to describe new artifical defs.
6448 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6449 (entry_block_defs): New field in struct df.
6450 (df_all_hard_regs): Deleted.
6451 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6452 * df-problems.c (df_ru_bb_local_compute_process_def):
6453 Added code to handle artifical defs in the entry to a function.
6454 (df_ru_bb_local_compute): Ditto.
6455 (df_rd_bb_local_compute_process_def): Ditto.
6456 (df_rd_bb_local_compute): Ditto.
6457 (df_lr_bb_local_compute): Ditto.
6458 (df_ur_bb_local_compute): Ditto.
6459 (df_urec_bb_local_compute): Ditto.
6460 (df_chain_create_bb): Ditto.
6461 (df_ur_local_finalize): Removed entry.
6462 (df_urec_init): Ditto.
6463 (df_urec_local_finalize): Ditto.
6464 (df_ri_bb_compute): Added detection of last use of pseudos.
6465 * Makefile.in (df-scan.o): Updated dependencies.
6466 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6467 * config/mips/mips.c (mips_set_live_on_entry): Added.
6468 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6470 * dce.c (marked_insn_p): Added code to handle artifical defs.
6472 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6474 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6476 (_mm_cvtsi128_si64): Likewise.
6477 (_mm_cvtsd_si64): Likewise.
6478 (_mm_cvttsd_si64): Likewise.
6479 (_mm_cvtsi64_sd): Likewise.
6480 (_mm_cvtsi64_si128): Likewise.
6481 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6482 (_mm_cvtsi64_m64): Likewise.
6483 (_m_to_int64): Likewise.
6484 (_mm_cvtm64_si64): Likewise.
6485 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6486 (_mm_cvttss_si64): Likewise.
6487 (_mm_cvtsi64_ss): Likewise.
6488 (_mm_cvtss_f32): Likewise.
6490 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6492 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6493 for pragma redefine_extname.
6495 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6498 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6499 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6500 -mno-minimal-toc to previous content.
6501 (bispecs): Remove goal.
6502 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6503 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6504 compatibility aliases on powerpc-*-*gnu*.
6505 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6506 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6507 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6508 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6509 (ldblspecs): New goal.
6510 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6511 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6513 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6514 L_sf_to_tf or L_df_to_tf is defined.
6516 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6517 Alan Modra <amodra@bigpond.net.au>
6520 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6521 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6522 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6523 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6524 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6525 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6526 (rs6000_override_options): Initialize rs6000_ieeequad.
6527 Initialize TFmode format to ibm_extended_format if not
6529 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6531 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6532 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6533 (function_arg_advance): IBM long double passed in two FPRs, not
6535 (function_arg): IBM long double passed in FPRs.
6536 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6537 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6538 Only multireg GPR aligned.
6539 (rs6000_init_libfuncs): Enable IBM long double functions if not
6541 (rs6000_generate_compare): Use IBM long double compare if not
6543 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6544 (TARGET_IEEEQUAD): Define.
6545 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6546 not TARGET_IEEEQUAD.
6547 * config/rs6000/rs6000.md: Enable TFmode patterns if
6549 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6550 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6551 and -mlong-double-128 are incompatible.
6552 * doc/invoke.texi (-mabi): Collect options together. Add
6553 ibmlongdouble and ieeelongdouble.
6555 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6557 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6559 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6560 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6561 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6562 * rtl.h (rtunion_def): Remove rt_ptr.
6564 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6565 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6566 * config/i386/winnt.c (i386_pe_mark_dllexport)
6567 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6569 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6571 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6573 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6577 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6578 pthread_key_delete. From John David Anglin. gthrw-ify
6579 pthread_getunique_np only if it it's not a macro. Delete
6581 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6582 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6583 __gthread_objc_condition_signal, __gthread_key_delete): Add
6584 "__attribute__ ((__unused__))" to unused arguments.
6585 (__gthread_recursive_mutex_init_function): Add missing return.
6586 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6587 gthr-posix95.h: Use macro-based approach for name redirection
6588 on targets missing weakref.
6590 2006-01-26 Zack Weinberg <zackw@panix.com>
6592 * genconditions.c (write_header): In generated code, #ifdef out
6593 all includes and fake declarations, except includes of bconfig.h
6594 and system.h, unless GCC_VERSION >= 3001. Do not include
6595 gensupport.h in any case.
6596 (write_conditions): Generate a definition of struct c_test. Add
6597 a comment to the generated #endif.
6598 (write_one_condition): Escape backslashes in string too.
6599 (write_writer): Generated code must escape backslashes and quote
6600 marks (but not newlines) in the strings it writes.
6601 * Makefile.in (build/gencondmd.o): Update dependencies.
6603 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6606 * Makefile.in (insn-automata.o): Add header file dependencies.
6607 * genautomata.c: Add includes.
6609 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6612 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6614 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6616 * configure.ac: Expect target tools paths to be passed from the toplevel
6617 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6619 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6621 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6624 * c.opt (Wpointer-sign): Init to -1.
6625 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6626 OPT_pedantic, to 0 otherwise.
6627 * doc/invoke.texi: Update.
6629 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6631 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6632 constants provided by 80387 instructions in the destination mode.
6634 2006-01-26 Richard Guenther <rguenther@suse.de>
6635 Andrew Pinski <pinskia@physics.uc.edu>
6638 partial PR tree-opt/17064
6639 * tree-ssa-structalias.c (intra_create_variable_infos):
6640 Create heap variables for incoming parameters if
6641 flag_argument_noalias > 1.
6642 (find_what_p_points_to): Look through default defs of
6645 2006-01-26 Jeff Law <law@redhat.com>
6648 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6649 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6650 within the VR_RANGE, use the VR_RANGE as the result, not the
6652 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6653 bounds for the type.
6655 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6657 * tree-ssa-alias.c (maybe_create_global_var): Change
6658 subvar walking to an assertion that we don't have subvar'd variables.
6660 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6663 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6664 Use a new variable, inner. PARM_DECLs are always non-weak.
6666 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6668 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6671 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6673 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6675 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6677 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6678 (smax_insn, smin_insn, smax_0, smin_0): New.
6680 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6683 * config/cris/cris.c (cris_order_for_addsi3): New function.
6684 * config/cris/cris-protos.h: Prototype it.
6685 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6686 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6687 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6688 (split for "op.S1 [rx=rx+i],ry (swapped)")
6689 (split for "op(s|u).S1 [rx=rx+i],ry")
6690 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6691 Apply cris_order_for_addsi3 when generating addsi3 insns.
6693 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6695 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6696 (TREE_BLOCK): Add call to EXPR_CHECK.
6698 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6701 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6702 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6703 (dump_omp_clauses): ... here.
6704 (dump_generic_node): Handle OMP_CLAUSE.
6705 * tree.c (omp_clause_num_ops): New.
6706 (omp_clause_code_name): New.
6707 (tree_code_size): Handle OMP_CLAUSE.
6708 (tree_size): Likewise.
6709 (make_node): Document handling of OMP_CLAUSE.
6710 (tree_node_structure): Handle OMP_CLAUSE.
6711 (omp_clause_check_failed): New.
6712 (omp_clause_range_check_failed): New.
6713 (omp_clause_operand_check_failed): New.
6714 (build_omp_clause): New.
6715 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6716 * tree.h (enum omp_clause_code): Declare.
6717 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6718 (OMP_CLAUSE_RANGE_CHECK): Define.
6719 (OMP_CLAUSE_ELT_CHECK): Define.
6720 (omp_clause_check_failed): Declare.
6721 (omp_clause_operand_check_failed): Declare.
6722 (omp_clause_range_check_failed): Declare.
6723 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6724 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6725 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6726 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6727 (OMP_CLAUSE_IF_EXPR): Likewise.
6728 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6729 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6730 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6731 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6732 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6733 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6734 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6735 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6736 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6737 (OMP_CLAUSE_CODE): Define.
6738 (OMP_CLAUSE_SET_CODE): Define.
6739 (OMP_CLAUSE_CODE): Define.
6740 (OMP_CLAUSE_OPERAND): Define.
6741 (struct tree_omp_clause): Declare.
6742 (union tree_node): Add field 'omp_clause'.
6743 * treestruct.def (TS_OMP_CLAUSE): Define.
6744 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6745 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6746 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6747 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6748 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6749 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6750 (OMP_CLAUSE): Define.
6751 * print-tree.c (print_node): Handle OMP_CLAUSE.
6752 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6753 * c-typeck.c: Likewise.
6754 * gimplify.c: Likewise.
6755 * c-omp.c: Likewise.
6756 * tree-nested.c: Likewise.
6757 * tree-inline.c: Likewise.
6758 * c-parser.c: Likewise.
6759 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6762 2006-01-25 Roger Sayle <roger@eyesopen.com>
6764 PR rtl-optimization/25703
6765 * combine.c (try_combine): Handle zero_extract and strict_low_part
6766 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6768 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6770 * global.c: Fix comment typos.
6772 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6775 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6776 Use output_addr_const instead of assemble_name.
6778 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6780 * Makefile.in (sched-vis.o): Update dependencies.
6781 * haifa-sched.c (sched_finish): Clear current_sched_info.
6782 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6783 (dump_flow_info): Call it.
6784 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6786 * basic-block.h (dump_bb_info): Declare.
6787 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6788 option, and apply options only for dump files whose TDF_RTL,
6789 TDF_TREE, or TDF_IPA bits match.
6790 * rtl.h: Declare new functions exported from sched-vis.c.
6791 * sched-vis.c: Enable also if scheduling is not used.
6792 (print_value): Print the mode of registers if not inside scheduling.
6793 (print_insn): Make it work outside the scheduler. Beautify the output
6795 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6797 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6799 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6800 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6801 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6802 depending on the value of CONSTANT_POOL_ADDRESS_P.
6803 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6805 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6806 rather than SYMBOL_REF_DECL.
6807 (rtx_constant_pool): Remove const_rtx_sym_htab.
6808 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6809 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6810 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6811 Remove handling of const_rtx_sym_htab.
6812 (find_pool_constant): Delete.
6813 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6814 rather than find_pool_constant.
6815 (get_pool_constant_for_function): Delete.
6816 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6818 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6819 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6820 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6821 (SYMBOL_REF_CONSTANT): New macro.
6822 (get_pool_constant_for_function): Delete.
6823 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6824 rather than SYMBOL_REF_DECL.
6825 (i386_pe_mark_dllimport): Likewise.
6826 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6827 rather than SYMBOL_REF_DECL.
6828 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6829 (machopic_indirect_call_target): Likewise.
6831 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6833 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6835 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6837 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6839 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6841 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6843 2006-01-24 David Daney <ddaney@avtrex.com>
6846 * configure.ac (enable_tls): New enable option.
6847 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6848 * configure: Regenerate.
6849 * doc/install.texi (--enable-tls): Document new option.
6850 (--disable-tls): Ditto.
6852 2006-01-24 Richard Henderson <rth@redehat.com>
6854 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6855 * alias.c (true_dependence): Respect it.
6856 (canon_true_dependence, write_dependence_p): Likewise.
6857 * builtins.c (get_builtin_sync_mem): Set it.
6859 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6861 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6864 2006-01-24 DJ Delorie <dj@redhat.com>
6866 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6867 for storing constants in single-bit bitfields.
6869 2006-01-25 Ben Elliston <bje@au.ibm.com>
6871 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6873 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6876 * tree-ssa-pre.c (phi_translate): Return NULL
6877 for AGGREGATE_TYPE's.
6879 2006-01-24 Zack Weinberg <zackw@panix.com>
6881 * genautomata.c (process_state_for_insn_equiv_partition):
6882 Use xcalloc for insn_arcs_array.
6883 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6884 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6886 2006-01-24 Richard Henderson <rth@redhat.com>
6888 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6891 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6893 PR rtl-optimization/25890
6894 PR rtl-optimization/25905
6895 * combine.c (expand_compound_operation, expand_field_assignment):
6896 Fail if the bitfield's final position is out of bounds.
6898 2006-01-24 Ian Lance Taylor <ian@airs.com>
6901 * cgraphunit.c (cgraph_output_in_order): Don't clear
6902 cgraph_asm_nodes until after asm strings have been output.
6904 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6906 * fix-header.c (read_scan_file): Add new parameter imultilib when
6907 calling register_include_chains.
6909 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6911 * omp-low.c: Update documentation.
6913 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6914 Daniel Berlin <dberlin@dberlin.org>
6918 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6919 return from the function.
6921 2006-01-22 Zack Weinberg <zackw@panix.com>
6923 * rtl.def (match_code): Add second argument.
6924 * genpreds.c (write_extract_subexp): New function.
6925 (write_match_code): Add path argument. Use write_extract_subexp.
6926 (write_predicate_expr): Pass path to write_match_code.
6927 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6928 not perform a mode test.
6929 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6930 a subexpression does not constrain the top-level code set.
6931 * read-rtl.c (read_rtx_variadic): New function.
6932 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6933 * doc/md.texi: Document new notation.
6934 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6935 (cmpsi_operand): ... here, using new notation.
6937 2006-01-22 Zack Weinberg <zackw@panix.com>
6939 * varray.c: Remove GENERATOR_FILE #ifdefs.
6941 2006-01-22 Zack Weinberg <zackw@panix.com>
6943 * genautomata.c (output_reserved_units_table): Emit nothing if
6944 description->query_units_num is zero. Remove extra blank line.
6945 (output_cpu_unit_reservation_p): Short circuit
6946 if description->query_units_num is zero.
6948 2006-01-22 Zack Weinberg <zackw@panix.com>
6950 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6951 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6952 nor any of the random handful of variables that used to be necessary
6953 when this program was linked with rtlanal.o. Prune set of forward
6954 function declarations.
6955 (struct attr_desc): Remove static_p field.
6956 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6957 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6958 (attr_string): Do not read the character one past the length of
6960 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6961 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6962 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6963 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6964 (make_automaton_attrs): New.
6965 (main): Do not call into genautomata. Call local gen_bypass
6966 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6967 Remove special case for insn_alts.
6968 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6969 varray.h (leftover from previous change). Prune set of forward
6970 function declarations. Remove state_alts fields from all
6971 structures. Remove state_alts_table from struct automaton.
6972 Make everything except main static. Do not maintain num_dfa_decls.
6973 Do not maintain state_alts fields of various structures.
6974 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6975 (add_arc): Remove state_alts argument. All callers updated.
6976 (output_reserved_units_table): Emit #ifdef here...
6977 (output_tables): ...not here. Don't generate state_alts tables.
6978 (expand_automata): Don't generate attributes.
6979 (write_automata): Don't generate state_alts functions.
6980 (main): New function.
6981 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6982 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6983 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6984 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6985 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6986 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6987 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6988 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6990 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6991 * genattrtab.h: Delete file.
6992 * Makefile.in (OBJS-common): Add insn-automata.o.
6993 (insn-automata.o): New rule.
6994 (simple_generated_c): Add insn-automata.c.
6995 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6996 (genprogmd): Add automata.
6997 (build/genattrtab): Needs no extra objects nor libraries.
6998 (build/genautomata): Needs build/vec.o and -lm.
7000 2006-01-22 Zack Weinberg <zackw@panix.com>
7002 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7003 (output_dfa_max_issue_rate, locked_states_num): Delete.
7004 (struct automaton): Add locked_states field.
7005 (output_dead_lock_vect): Save number of locked states in
7006 automaton->locked_states. If it is zero, don't print anything.
7007 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7008 (output_internal_dead_lock_func): Only test the dead_lock_vect
7009 for automata that have locked states.
7010 (output_statistics): Always print the number of locked states for
7011 each automaton. Calculate total number of locked states here.
7012 (write_automata): Don't call output_dfa_max_issue_rate.
7013 * genattrtab.c: Define length_unit_log as a const variable.
7014 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7015 max_insn_queue_index const.
7016 * final.c (length_unit_log): Declare const.
7017 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7019 2006-01-22 Zack Weinberg <zackw@panix.com>
7021 * genautomata.c: Include vec.h, not varray.h.
7022 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7023 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7024 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7025 VEC_* macros operating on appropriately typed vectors, or to
7026 malloced arrays when the size is known in advance. Const-ify
7027 many char* variables and function arguments. No functional changes.
7028 * Makefile.in (build/varray.o): Delete rule.
7029 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7030 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7032 2006-01-22 Zack Weinberg <zackw@panix.com>
7034 * gensupport.c: Define get_insn_name and record_insn_name here.
7035 (read_md_rtx): Call record_insn_name as appropriate.
7036 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7037 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7038 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7040 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7041 (BUILD_VARRAY): Delete.
7042 (genprognormal): Rename genprogmd. Fold in all programs from
7043 genprognoprint; also attrtab.
7044 (build/genattrtab): Just mention genautomata.o and varray.o.
7045 Reorganize a bit, add comments to make the categories clearer.
7047 2006-01-22 Zack Weinberg <zackw@panix.com>
7049 * genconditions.c (condition_table, add_condition): Delete.
7050 (write_conditions): Don't emit n_insn_conditions nor
7051 insn_elision_unavailable. Issue the gcc version #ifdef here,
7052 inside the table, with no #else clause ...
7053 (write_header): ...not here.
7054 (write_writer): New function.
7055 (main): Don't initialize condition_table. Use add_c_test.
7057 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7058 files on the command line.
7059 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7060 Return -1 if there is no entry in the table, don't abort.
7061 (add_c_test, traverse_c_tests): New functions.
7062 * gensupport.h (insn_elision_unavailable, insn_conditions)
7063 (n_insn_conditions): Delete declarations.
7064 (add_c_test, traverse_c_tests): Declare.
7065 * read-rtl.c: Include gensupport.h.
7066 (read_conditions): New function.
7067 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7068 (read_rtx_1): If we get EOF when we were looking for an initial
7069 open paren, return 0. Call read_conditions when appropriate.
7070 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7071 dummy-conditions.o. Eliminate references to insn-conditions.o,
7072 or change them to build/gencondmd.o, as appropriate. Remove
7073 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7074 from $(simple_generated_c). For all files remaining in those
7075 two lists, add insn-conditions.md to the generator command line.
7076 Give insn-constants.h/s-constants their own rules. Add rules
7077 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7078 (build/read-rtl.o): Depend on gensupport.h.
7079 (genprognormal): Include preds.
7080 (genprogearly): Rename genprognoprint; only difference is now that
7081 they don't link with $(BUILD_PRINT).
7082 * dummy-conditions.c: Delete.
7084 2006-01-22 Zack Weinberg <zackw@panix.com>
7086 * genextract.c: Don't include insn-config.h. Do include vec.h.
7087 Declare vectors of int, char, and locstr.
7088 (locstr): New typedef.
7089 (struct extraction): Make all array fields into bare pointers.
7090 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7091 (insn_code_number): Delete.
7092 (accum_extract): New struct.
7093 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7094 (gen_insn): Take insn_code_number as an argument. Use an
7095 accum_extract structure instead of loading data directly into
7096 a struct extraction, and having to know how big it might get.
7097 (walk_rtx): Operate entirely on an accum_extract structure.
7098 (print_path): Avoid unnecessary use of printf.
7099 (print_header): New function, split out of main. Distinguish
7100 more carefully between an unrecognizable insn and an insn that
7101 has the code number of a define_expand.
7102 (main): Pass insn_code_number to gen_insn. Call print_header
7103 only after parsing. Avoid unnecessary use of printf.
7104 * Makefile.in (build/vec.o): New rule.
7105 (build/genextract): Depend on build/vec.o.
7106 (build/genextract.o): Don't depend on insn-config.h.
7108 2006-01-22 Zack Weinberg <zackw@panix.com>
7110 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7111 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7112 practical. Eliminate per-generator-program link rules.
7114 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7117 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7118 with a call expr to ...
7119 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7121 2006-01-23 Richard Guenther <rguenther@suse.de>
7123 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7124 before make_edge with conditional EDGE_TRUE_VALUE.
7126 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7127 Jan Hubicka <jh@suse.cz>
7128 Richard Guenther <rguenther@suse.de>
7130 PR rtl-optimization/25654
7131 * cfgexpand.c (aggregate_contains_union_type): New function.
7132 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7133 for structure variables that contain a union type.
7135 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7137 * gengtype.c (new_structure): Return the structure.
7138 (create_option): Add an extra "next" argument.
7139 (create_field): New function.
7140 (adjust_field_rtx_def): Use create_option and create_field.
7141 Remove a now-unnecessary call to find_structure.
7142 (adjust_field_tree_def): Likewise.
7143 (note_yacc_type): Remove an unnecessary call to find_structure.
7144 * gengtype.h (new_structure): Return the structure.
7145 (create_option): Add an extra argument.
7146 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7147 (option): Adjust calls to create_option.
7149 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7151 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7153 2006-01-22 Paul Brook <paul@codesourcery.com>
7154 Peter Barada <peter@the-baradas.com>
7156 * config/m68k/m68k.md: Add Coldfire FPU support.
7157 Define FP mode macro and associated attributes.
7158 Use it for float mode patterns.
7159 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7160 (LIBCALL_VALUE): Use m68k_libcall_value.
7161 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7162 (m68k_function_value): Ditto.
7163 (emit_move_sequence): Ditto.
7164 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7165 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7166 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7167 (MULTILIB_EXCEPTIONS): Ditto.
7168 * config/m68k/m68k.opt: Add mcfv4e.
7169 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7170 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7171 (m68k_output_function_prologue): Save ColdFire FPU registers.
7172 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7173 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7174 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7175 ColdFire FPU registers.
7176 (m68k_libcall_value, m68k_function_value): New functions.
7177 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7178 (LIBCALL_VALUE): Use m68k_libcall_value.
7179 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7180 (MASK_COLDFIRE): Add MASK_CFV4E.
7181 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7182 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7183 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7184 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7185 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7186 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7187 * doc/invoke.tex: Document -mcfv4e on m68k.
7189 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7191 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7194 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7197 * c-opts.c (c_common_handle_option): Don't include
7198 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7199 * doc/invoke.texi (C++ Dialect Options): Document that
7200 -Wnon-virtual-dtor is no longer included in -Wall.
7202 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7204 * gcov.c (print_version), gcov-dump.c (print_version),
7205 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7208 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7210 * df-scan.c (problem_SCAN): Added NULL reset function.
7211 (df_scan_reset_blocks): Added code to call reset block function
7212 (df_bb_refs_delete) Fixed comment.
7213 (df_insn_refs_delete): Made tolerant of deleting non existent info
7214 for dataflow problems that need to be reset.
7215 * df-core.c (df_set_blocks): Ditto.
7216 * df.h (struct df_problem): Added reset_fun.
7217 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7218 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7219 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7220 functions to clear out all references to def-use or use-def chains.
7222 2006-01-21 Ben Elliston <bje@au.ibm.com>
7224 * varasm.c (assemble_real): Initialise data array.
7226 2006-01-20 Paul Brook <paul@codesourcery.com>
7228 Merge from csl-arm-branch.
7229 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7230 * config/arm/arm.md (movdi): Force operands[1] to a register
7231 if we have a non-register source.
7232 (*arm_movdi, *movdf_soft_insn): Require that one of the
7233 operands be a register.
7234 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7235 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7237 2006-01-20 DJ Delorie <dj@redhat.com>
7239 * varasm.c (initialize_constant_valid_p): Allow pointers
7240 initialized from integer constants of lesser precision.
7241 (output_constant): Allow non-int-sized pointer modes to be
7242 initialized from integer constants.
7244 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7247 * cppdefault.h (struct default_include): Add multilib flag.
7248 * cppdefault.c (cpp_include_defaults): Set it.
7249 * c.opt (-imultilib): New option.
7250 * c-opts.c (imultilib): New.
7251 (c_common_handle_option): Handle -imultilib.
7252 (c_common_post_options): Likewise.
7253 * c-incpath.c (add_standard_paths, register_include_chains):
7255 * c-incpath.h (register_include_chains): Add extra parameter.
7256 * gcc.c (do_spec_1): Generate -imultilib option.
7257 (The Specs Language): Update %I description.
7258 (process_command): Update copyright notice.
7259 * doc/cppopts.texi (-imultilib): Document.
7260 * doc/invoke.texi (-imultilib): Include in option summary.
7261 (%I): Update specs documentation.
7263 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7265 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7267 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7269 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7272 2006-01-20 Richard Guenther <rguenther@suse.de>
7273 Steven Bosscher <stevenb.gcc@gmail.com>
7275 PR rtl-optimization/24626
7276 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7277 EDGE_TRUE_VALUE if in RTL mode.
7280 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7281 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7283 2006-01-20 Dirk Mueller <dmueller@suse.com>
7286 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7287 instead of a special NOP marker.
7288 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7289 NOP marker handling.
7290 * c-common.h (empty_body_warning): Add forward declaration.
7291 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7292 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7294 2006-01-20 Paul Brook <paul@codesourcery.com>
7296 * Makefile.in (lang_checks): Keep going if mkdir fails.
7298 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7300 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7301 be able to clean out basic block when not necessary.
7302 (df_scan_free): Fixed to properly delete information if df is
7303 unused before calling df_finish.
7304 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7305 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7307 (df_bb_refs_delete): New function.
7308 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7309 * df-core.c (df_set_blocks): Added code to properly clean out
7310 unused blocks if they are not part of the blocks to consider.
7311 Added additional null check.
7312 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7313 be able to clean out basic block when not necessary
7314 * df.h (df_free_bb_function): Ditto.
7315 (df_bb_refs_delete): New function.
7316 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7317 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7318 basic block parameter to be able to clean out basic block when not
7320 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7321 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7322 Fixed to properly delete information if df is unused before
7325 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7327 PR rtl-optimization/25799
7328 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7329 Corrected confluence operator to remove bits from op2 before oring
7330 with op1 rather than removing bits from op1.
7331 (df_ru_transfer_function): Corrected test on wrong bitmap which
7332 caused infinite loop. Both of these problems were introduced in
7333 the dataflow rewrite.
7335 2006-01-19 DJ Delorie <dj@redhat.com>
7337 * reload1.c (find_reload_regs): Note the details of reload
7338 failures in the dump file.
7339 (spill_failure): Likewise.
7341 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7343 * loop-iv.c: Include df.h and hashtab.h.
7344 (enum iv_grd_result): New enum.
7345 (DF_REF_IV, DF_REF_IV_SET): New macros.
7346 (struct biv_entry): New.
7347 (df, bivs): New global variables.
7348 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7349 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7351 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7352 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7353 analyzed_for_bivness_p, record_biv): New functions.
7354 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7355 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7356 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7358 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7360 (iv_number_of_iterations): Use new interface to iv analysis.
7361 * loop-unroll.c: Do not include varray.h.
7362 (analyze_iv_to_split_insn): Use new interface to iv
7364 * loop-unswitch.c (may_unswitch_on): Ditto.
7365 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7367 (df_bb_modify): Realloc tables to the new index.
7368 (df_find_use): New function.
7369 * df.h (df_find_use): Declare.
7370 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7372 * cfgloop.h (struct rtx_iv): Remove analysed field.
7373 (iv_get_reaching_def): Removed.
7374 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7375 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7376 (loop-iv.o): Add df.h and hashtab.h dependency.
7377 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7379 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7382 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7384 (__floatundisf, __floatundidf): Likewise.
7385 * libgcc2.h (IS_IBM_EXTENDED): Define.
7387 2006-01-19 DJ Delorie <dj@redhat.com>
7389 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7391 2006-01-19 Paul Brook <paul@codesourcery.com>
7393 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7394 as nothrow when unwinding tables are disabled.
7396 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7399 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7400 of bit-field" when in system header.
7402 2006-01-19 DJ Delorie <dj@redhat.com>
7404 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7405 the 16 bit shift limit of the m16c.
7407 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7410 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7411 * config/i386/i386.c (output_set_got): Output the label if we have one
7412 for the TARGET_DEEP_BRANCH_PREDICTION case.
7414 2006-01-19 Jan Hubicka <jh@suse.cz>
7415 H.J. Lu <hongjiu.lu@intel.com>
7416 Evandro Menezes <evandro.menezes@amd.com>
7418 * invoke.texi (generic): Document
7420 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7421 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7422 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7423 (x86_use_incdec, x86_pad_returns): New variables
7424 (TARGET_CPU_DEFAULT_generic): New constant
7425 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7426 (enum processor_type): Add generic32 and generic64.
7427 * i386.md (cpu attribute): Add generic32/generic64
7428 (movhi splitter): Behave sanely when both partial_reg_dependency and
7429 partial_reg_stall are set.
7430 (K8 splitters): Enable for generic as well.
7431 * predicates.md (incdec_operand): Use TARGET_INCDEC
7432 (aligned_operand): Avoid memory mismatch stalls.
7433 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7434 * ppro.md: Enable for generic32
7435 * i386.c (generic64_cost, generic32_cost): New.
7436 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7437 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7438 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7439 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7440 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7441 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7442 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7443 x86_accumulate_outgoing_args, x86_prologue_using_move,
7444 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7445 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7447 (x86_use_incdec, x86_pad_returns): New.
7448 (override_options): Add generic32 and generic64, translate "generic"
7449 to generic32/generic64 and "i686" to "generic32", refuse
7450 "generic32"/"generic64" as arch target.
7451 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7452 (ix86_reorg): Honor PAD_RETURNS.
7454 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7456 * tree-pretty-print.c (dump_generic_node): Handle
7457 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7458 * cgraph.c (cgraph_expand_queue): Rename from
7459 cgraph_analyze_queue. Update all users.
7460 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7461 cgraph_expand_queue.
7462 (cgraph_expand_all_functions): Likewise.
7463 (cgraph_finalize_pending_functions): Remove. Update callers.
7465 * tree.h (OMP_DIRECTIVE_P): Define.
7466 (OMP_PARALLEL_FN): Define.
7467 (OMP_PARALLEL_DATA_ARG): Define.
7468 (OMP_SECTIONS_SECTIONS): Define.
7469 * tree-pass.h (pass_expand_omp): Declare.
7470 * omp-low.c (struct omp_region): Declare.
7471 (struct omp_context): Remove fields 'parallel_type',
7472 'parallel_start_ix' and 'parallel_start_additional_args'.
7474 (struct omp_for_data): Rename from struct expand_omp_for_data.
7475 (omp_regions): New static variable.
7476 (root_omp_region): New static variable.
7477 (find_omp_clause): Make static.
7478 (is_in_combined_parallel_ctx): Remove.
7479 (is_combined_parallel): New.
7480 (extract_omp_for_data): Move earlier in the file.
7481 (workshare_safe_to_combine_p): New.
7482 (get_ws_args_for): New.
7483 (determine_parallel_type): Move earlier in the file.
7484 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7486 (omp_copy_decl): Likewise.
7487 (create_omp_child_function): Likewise.
7488 (lookup_omp_region): New.
7489 (dump_omp_region): New.
7490 (debug_omp_region): New.
7491 (debug_all_omp_regions): New.
7492 (new_omp_region): New.
7493 (scan_omp_parallel): If parallel_nesting_level > 1, the
7494 directive is nested within another parallel directive.
7495 Set OMP_PARALLEL_FN.
7496 (scan_omp_for): Do not try to handle combined parallel+for
7498 Remove FIXME comment.
7499 (scan_omp_nested): Remove.
7500 (scan_omp_1): Do not call scan_omp_nested when
7501 parallel_nesting_level is > 1.
7502 Do not change the DECL_CONTEXT of local variables found.
7503 (lookup_decl_in_outer_ctx): New.
7504 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7505 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7506 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7507 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7508 If CTX is nested, lookup VAR in the outer context when
7509 building copy assignment.
7510 (lower_send_clauses): Rename from expand_send_clauses.
7511 If CTX is nested, lookup VAR in the outer context when
7512 building copy assignments.
7513 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7514 If CTX is nested, lookup VAR in the outer context when
7515 building copy assignments.
7516 (expand_parallel_call): Rename from build_parallel_call.
7517 Handle combined parallel+workshare cases.
7518 Re-implement to emit code into the CFG.
7520 (expand_omp_parallel): Re-implement to emit code into the CFG.
7521 Call move_sese_region_to_fn to outline the sub-graph
7522 containing the parallel region.
7523 (expand_omp_for_1): Remove.
7524 (expand_omp_for_generic): Re-implement to emit code into the
7526 (expand_omp_for_static_nochunk): Likewise.
7527 (expand_omp_for_static_chunk): Likewise.
7528 (expand_omp_for): Likewise.
7529 (expand_omp_sections): Likewise.
7530 (remove_exit_barriers): New.
7531 (expand_omp_synch): New.
7533 (build_omp_regions_1): New.
7534 (build_omp_regions): New.
7535 (execute_expand_omp): New.
7536 (gate_expand_omp): New.
7537 (pass_expand_omp): Define.
7538 (lower_omp_sections): Rename from expand_omp_sections.
7539 Set OMP_SECTIONS_SECTIONS.
7540 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7541 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7542 (lower_omp_single): Rename from expand_omp_simple.
7543 (lower_omp_master): Rename from expand_omp_master.
7544 (lower_omp_ordered): Rename from expand_omp_ordered.
7545 (lower_omp_critical): Rename from expand_omp_critical.
7546 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7547 (lower_omp_for): Re-implement.
7548 (lower_omp_parallel): Re-implement.
7549 (lower_regimplify): Rename from expand_regimplify.
7550 (lower_omp_1): Rename from expand_omp_1.
7551 If there are syntax errors in the program, replace every
7552 OpenMP directive with NOP.
7553 Call lower_omp_* instead of expand_omp_*.
7554 (lower_omp): Rename from expand_omp.
7556 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7557 * tree-gimple.h (enum omp_parallel_type): Remove.
7558 (gimple_boolify): Declare extern.
7559 (find_omp_clause, determine_parallel_type): Remove.
7561 * gimple-low.c (lower_omp_directive): New.
7562 (lower_stmt): Call it.
7563 (record_vars_into): Move from ...
7564 (record_vars): ... here.
7565 Call record_vars_into with current_function_decl.
7567 * gimplify.c (struct gimplify_ctx): Remove fields
7568 combined_pre_p and combined_ctxp. Update users.
7569 (get_formal_tmp_var): Add documentation.
7570 (gimple_boolify): Make extern.
7571 (gimplify_expr_in_ctx): Remove. Update callers.
7572 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7573 will always be a BIND_EXPR.
7574 (gimplify_expr): Handle OMP_RETURN_EXPR.
7575 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7576 (OMP_PARALLEL): Add 3 operands.
7577 (OMP_SECTIONS): Add 1 operand.
7578 (OMP_RETURN_EXPR): Define.
7580 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7581 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7582 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7583 creating a circular free list.
7584 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7586 * tree-flow.h (move_sese_region_to_fn): Declare.
7587 (record_vars_into): Declare.
7588 * tree-cfg.c (make_omp_sections_edges): New.
7589 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7590 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7591 OMP_SECTIONS and OMP_SECTION.
7592 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7593 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7594 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7595 (gather_blocks_in_sese_region): New.
7596 (struct move_stmt_d): Declare.
7598 (move_block_to_fn): New.
7599 (move_sese_region_to_fn): New.
7601 * passes.c (init_optimization_passes): Schedule
7602 pass_expand_omp after pass_init_datastructures.
7604 * tree-ssa-operands.c (get_expr_operands): Handle
7605 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7606 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7608 2006-01-19 Jeff Law <law@redhat.com>
7610 * tree-vrp.c (extract_range_from_assert): Refine the result range
7611 if the variable referenced by the ASSERT_EXPR has a range and
7612 either the tentative result range or the previous range is a
7615 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7617 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7619 2006-01-19 Jan Hubicka <jh@suse.cz>
7621 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7623 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7625 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7626 (expand_compound_operation, expand_field_assignment): Fail if the
7627 bit lengths of an extract operation are out of range.
7628 (make_extraction): Compute wanted_inner_mode based on the position
7629 and length of the extraction. Make it extraction_mode for non-constant
7630 positions, and do not modify offset in that case. When generating a
7631 new MEM, use a mode that can hold the extraction while keeping correct
7632 alignment. Remove code that supported MEMs wrapped by USEs.
7633 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7635 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7637 * config/s390/s390.md ("Y", "y"): New mode attribute.
7638 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7639 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7640 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7641 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7642 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7643 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7644 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7645 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7646 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7647 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7648 "addsi3", "subsi3"): Insn patterns removed.
7649 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7650 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7651 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7652 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7653 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7654 "*sub<mode>3_cconly2"): New insn patterns.
7655 ("addsi3", "subsi3"): New expanders.
7657 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7659 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7660 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7661 existing STMT_VINFO_VECTYPE if available.
7662 (vect_mark_relevant): Add special handling for stmts that are
7663 marked as STMT_VINFO_IN_PATTERN_P.
7664 (vect_analyze_loop): Call vect_pattern_recog.
7665 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7666 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7668 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7669 (vect_recog_func_ptr): New function-pointer type.
7670 * tree-vect-patterns.c: New file.
7671 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7672 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7673 (vect_pattern_recog_1): New functions.
7674 (vect_pattern_recog_funcs): New array of function pointers.
7676 * tree-vectorizer.h (ternary_op): New enum value.
7677 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7678 declaration. Revised documentation. Removed redundant dump prints.
7679 Removed redundant argument. Added support for reduction patterns.
7680 (vectorizable_reduction): Added support for reduction patterns.
7681 (vect_transform_stmt): Added support for patterns.
7683 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7684 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7685 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7686 (expand_widen_pattern_expr): New function.
7687 (init_optabs): Initialize new optabs udot_prod_optab,
7689 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7690 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7691 (expand_widen_pattern_expr): New function declaration.
7692 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7694 * tree-inline.c (estimate_num_insns_1): Added cases for new
7695 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7696 * tree-pretty-print.c (dump_generic_node): Likewise.
7697 (op_prio): Likewise.
7698 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7699 * tree-ssa-operands.c (get_expr_operands): Added case for
7701 * tree-vect-patterns.c (widened_name_p): New function.
7702 (vect_recog_dot_prod_pattern): Added function implementation.
7703 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7704 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7705 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7706 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7708 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7709 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7710 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7711 (init_optabs): Initialize new optabs widen_ssum_optab,
7713 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7714 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7715 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7716 use instead of type of def.
7717 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7718 function implementation.
7719 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7720 widen_ssumv8hi): New.
7722 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7725 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7728 * c-decl.c (add_flexible_array_elts_to_size): New function.
7729 (finish_decl): Use it.
7731 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7733 * diagnostic.h: Include options.h.
7734 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7735 dependancies for diagnostic.h.
7736 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7738 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7740 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7741 (ssa_ro_call_cache_valid): Ditto.
7742 * tree-ssa-alias.c (sort_tags_by_id): New function.
7743 (init_transitive_clobber_worklist): Ditto.
7744 (add_to_worklist): Ditto.
7745 (mark_aliases_call_clobbered): Ditto.
7746 (compute_tag_properties): Ditto.
7747 (set_initial_properties): Ditto.
7748 (compute_call_clobbered): Ditto.
7749 (compute_may_aliases): Call compute_call_clobbered and grouping.
7750 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7751 (compute_flow_insensitive_aliasing): Grouping now happens in our
7753 (setup_pointers_and_addressables): Remove clobbering related code.
7754 (add_may_alias): Ditto.
7755 (replace_may_alias): Ditto.
7756 (get_nmt_for): Ditto.
7757 (create_global_var):
7758 (is_escape_site): Return an escape_type enumeration.
7759 * tree-flow-inline.h (is_call_clobbered): Global var does not
7760 imply call clobbered.
7761 (mark_call_clobbered): Take a reason for marking this. Remove
7762 marking of globalness, and cache invalidation.
7763 (clear_call_clobbered): Remove cache invalidation code.
7764 * tree-dfa.c (dump_variable): If details is on, dump the reason
7766 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7768 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7769 (struct var_ann_d): Ditto.
7770 (enum escape_type): New.
7771 (mark_call_clobbered): Adjust prototype.
7772 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7773 are never call clobbered.
7774 Record reasons for escaping.
7775 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7776 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7777 (ssa_ro_call_cache_valid): Ditto.
7778 (clobbered_v_may_defs): Ditto.
7779 (clobbered_vuses): Ditto.
7780 (ro_call_vuses): Ditto.
7781 (clobber_stats): New.
7782 (init_ssa_operands): Zero out clobber stats.
7783 (fini_ssa_operands): Print out clobber stats.
7784 (get_call_expr_operands): Pass callee fndecl to
7786 (add_call_clobber_ops): Remove use of cache.
7787 Add use of PURE_CONST information.
7788 (add_call_read_ops): Remove use of cache.
7789 Add use of static not_read information.
7791 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7793 Introduce TLS descriptors for i386 and x86_64.
7794 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7795 (TARGET_ANY_GNU_TLS): New macro.
7796 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7797 (struct machine_function): Add tls_descriptor_call_expanded_p.
7798 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7799 (ix86_current_function_calls_tls_descriptor): Likewise.
7800 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7801 (override_options): Introduce gnu2 tls dialect.
7802 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7804 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7806 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7807 (ix86_init_machine_status): Initialize new field.
7808 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7809 (ix86_tls_module_base): New.
7810 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7811 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7812 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7813 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7814 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7815 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7816 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7817 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7818 * config/i386/predicates.md (tls_modbase_operand): New.
7819 (tp_or_register_operand): New.
7821 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7823 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7824 (look_for_address_of): Ditto.
7825 (ipa_init): Walk the function decls.
7826 (static_execute): Don't set readonly on FUNCTION_DECL's.
7828 2006-01-18 Roger Sayle <roger@eyesopen.com>
7830 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7831 for shifts where the source and destination registers are different.
7833 2006-01-18 Paul Brook <paul@codesourcery.com>
7835 Merge from csl-arm-branch.
7836 2005-03-14 Julian Brown <julian@codesourcery.com>
7837 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7838 (aeabi_llsl): Likewise.
7839 (ashrdi3): Likewise.
7840 (aeabi_lasr): Likewise.
7841 (lshrdi3): Likewise.
7842 (aeabi_llsr): Likewise.
7843 2005-03-10 Julian Brown <julian@codesourcery.com>
7844 * config.gcc: Disable shared libgcc for SymbianOS.
7845 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7847 2006-01-18 DJ Delorie <dj@redhat.com>
7849 * c-pragma.c (handle_pragma_diagnostic): New.
7850 (init_pragma): Register it.
7851 * doc/extend.texi: Document it.
7853 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7854 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7855 (diagnostic_context): Add classify_diagnostic[].
7856 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7857 as errors if they're overridden to DK_WARNING.
7858 (diagnostic_initialize): Initialize classify_diagnostic[].
7859 (diagnostic_set_kind_override): New.
7860 (diagnostic_report_diagnostic): Check for kind changes.
7861 * opts.c (common_handle_option): Take lang_mask. Update callers.
7863 * common.opt (Werror=): New.
7864 * doc/invoke.texi: Document -Werror=*
7866 2006-01-18 Jeff Law <law@redhat.com>
7868 * tree-vrp.c (test_for_singularity): Correct test for new
7869 min limit. Use operand_equal_p rather than pointer equality
7870 for testing if new min/max values are equal.
7872 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7873 using range information until after propagation and folding.
7875 2006-01-18 Richard Henderson <rth@redhat.com>
7876 Aldy Hernandez <aldyh@redhat.com>
7877 Jakub Jelinek <jakub@redhat.com>
7878 Diego Novillo <dnovillo@redhat.com>
7880 * omp-low.c: New file.
7881 * c-omp.c: New file.
7883 2006-01-18 Richard Henderson <rth@redhat.com>
7884 Jakub Jelinek <jakub@redhat.com>
7885 Diego Novillo <dnovillo@redhat.com>
7887 * doc/invoke.texi: Document -fopenmp.
7888 * tree-dump.h (debug_function): Declare.
7889 * hooks.c (hook_bool_tree_bool_false): New function.
7890 (hook_tree_tree_null): Remove.
7891 (hook_tree_tree_tree_null): New.
7892 * hooks.h: Update to match.
7893 * tree-pretty-print.c (debug_tree_chain): New.
7894 (print_generic_expr): Handle TDF_CHAIN.
7895 (dump_generic_node): Handle BLOCK.
7896 Do not abort with incomplete SWITCH_EXPRs.
7897 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7898 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7899 print space after directive name.
7900 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7901 Handle OMP_MASTER and OMP_ORDERED.
7902 Handle printing of OMP_BODY just in one place, goto
7903 dump_omp_body in the rest of OMP_* nodes that have
7905 Don't handle clause nodes here. Update omp statements to
7906 use dump_omp_clauses.
7907 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7908 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7909 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7910 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7911 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7912 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7913 Adjust output for GOMP_PARALLEL.
7914 (dump_omp_clauses): New.
7915 (print_declaration): Dump DECL_VALUE_EXPR.
7916 (op_symbol_1): Split out of op_symbol.
7917 (dumping_stmts): Remove. Update all users.
7918 * cgraph.c (cgraph_analyze_queue): New.
7919 (cgraph_add_new_function): New.
7920 * cgraph.h (cgraph_analyze_queue): Declare.
7921 (cgraph_add_new_function): Declare.
7922 (cgraph_lower_function): Remove.
7923 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7924 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7925 and TYPE_P nodes in its default clause.
7926 (empty_body_p): New.
7927 (tree_range_check_failed): New.
7929 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7930 OMP_CLAUSE_REDUCTION_MERGE,
7931 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7932 OMP_CLAUSE_PRIVATE_DEBUG,
7933 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7934 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7935 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7936 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7937 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7938 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7939 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7940 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7941 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7942 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7943 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7944 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7945 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7946 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7947 (TREE_RANGE_CHECK): New.
7948 (empty_body_p): Declare.
7949 (enum omp_clause_default_kind): New.
7950 (build_string_literal): Declare.
7951 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7952 (build5_stat, build5): Declare.
7953 * tree-pass.h (TDF_CHAIN): Define.
7954 * tree-pass.h (PROP_gimple_lomp): Define.
7955 (pass_lower_omp): Declare.
7956 * diagnostic.h (debug_tree_chain): Declare.
7957 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7959 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7960 * builtins.c (build_string_literal): Make extern.
7961 * gcc.c (include_spec_function): New.
7962 (static_spec_functions): Add it.
7963 (main): Move load of libgomp.spec ...
7964 (LINK_COMMAND_SPEC): ... here.
7965 (link_gomp_spec): New.
7966 (static_specs): Include it.
7967 (LINK_COMMAND_SPEC): Add link_gomp.
7968 (GOMP_SELF_SPECS): New.
7969 (driver_self_specs): Include it.
7970 (switch_matches): Don't mark inline.
7971 (main): Load libgomp.spec.
7972 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7973 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7974 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7975 * tree-gimple.h (enum omp_parallel): Declare.
7976 (determine_parallel_type): Declare.
7977 (omp_firstprivatize_variable): Declare.
7978 (omp_reduction_init): Declare.
7979 (diagnose_omp_structured_block_errors): Declare.
7980 (struct walk_stmt_info): Add want_return_expr.
7981 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7982 (find_omp_clause): Declare.
7983 (insert_field_into_struct): Declare.
7984 (struct walk_stmt_info): Move from tree-nested.c
7985 (walk_stmts): Declare.
7986 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7988 * cgraphunit.c (cgraph_lower_function): Make static.
7989 (cgraph_finalize_pending_functions): New.
7990 (cgraph_finalize_function): Call it.
7991 (cgraph_finalize_compilation_unit): Likewise.
7992 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7993 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7994 (BT_FN_UINT_UINT): New.
7995 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7996 DEF_FUNCTION_TYPE_VAR_4): Document.
7997 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7998 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7999 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8000 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8001 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8002 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8003 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8004 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8005 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8006 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8007 into separate files.
8008 (DEF_GOMP_BUILTIN): New.
8009 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8010 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8011 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8012 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8013 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8014 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8015 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8016 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8017 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8018 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8019 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8020 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8021 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8022 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8023 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8024 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8025 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8026 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8027 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8028 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8029 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8030 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8031 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8032 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8033 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8034 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8035 * sync-builtins.def: New file, moved from builtins.def.
8036 * omp-builtins.def: New file, moved from builtins.def.
8037 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8038 * gimple-low.c (lower_function_body): Clear data.
8039 (lower_stmt): Do not handle COMPOUND_EXPR.
8040 Remove call to print_node_brief.
8041 * c-tree.h (c_finish_omp_clauses): New prototype.
8042 (C_DECL_THREADPRIVATE_P): Define.
8043 (lookup_name_no_remap, c_omp_remap_private): Remove
8044 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8045 (check_for_loop_decls): Update decl.
8046 (lookup_name_no_remap, c_omp_remap_private): Declare.
8047 (build_indirect_ref, build_modify_expr, pushdecl,
8048 pushdecl_top_level): Move to c-common.h.
8049 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8050 before the switch, but just in the 2 places that need it.
8051 * c-decl.c (diagnose_mismatched_decls): Do not check for
8052 mismatched thread-local attributes when OLDDECL is marked
8053 threadprivate and NEWDECL has no thread-local attributes.
8054 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8055 (c_gimple_diagnostics_recursively): Rename from
8056 c_warn_unused_result_recursively. Invoke
8057 diagnose_omp_structured_block_errors.
8058 (check_for_loop_decls): Return a singular decl found.
8059 * langhooks.c (lhd_omp_predetermined_sharing): Return
8060 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8061 (lhd_omp_firstprivatize_type_sizes): New.
8062 (lhd_omp_assignment): New.
8063 (lhd_omp_predetermined_sharing): New.
8064 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8065 (struct lang_hooks_for_types): Add
8066 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8067 omp_predetermined_sharing, omp_disregard_value_expr,
8068 omp_private_debug_clause, omp_clause_default_ctor,
8069 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8070 (c_finish_omp_clauses): New.
8071 (c_finish_bc_stmt): Diagnose break within omp for.
8072 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8073 (build_unary_op): Return error_mark after reporting
8075 (build_modify_expr): Likewise.
8076 * gimplify.c: Include optabs.h and pointer-set.h.
8077 (enum gimplify_omp_var_data): Declare.
8078 (struct gimplify_omp_ctx): Declare.
8079 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8081 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8082 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8083 (splay_tree_compare_decl_uid): New.
8084 (new_omp_context): New.
8085 (delete_omp_context): New.
8086 (gimple_add_tmp_var): Call omp_add_variable.
8087 (gimplify_bind_expr): Likewise.
8088 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8089 true, disregard DECL_VALUE_EXPR on the decl if any.
8090 (gimplify_expr_in_ctx): New.
8091 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8092 omp_add_variable, omp_notice_variable, omp_is_private
8093 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8094 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8095 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8096 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8097 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8098 gimplify_omp_atomic): New.
8099 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8100 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8101 OMP_CRITICAL and OMP_ATOMIC.
8102 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8103 * c-pragma.h (enum pragma_kind): Add
8104 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8105 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8106 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8107 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8108 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8109 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8110 PRAGMA_OMP_THREADPRIVATE.
8111 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8112 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8113 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8114 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8115 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8116 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8117 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8118 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8119 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8120 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8121 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8122 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8123 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8125 (struct nesting_info): Add field_map,
8126 suppress_expansion, debug_var_chain.
8127 (create_nesting_tree): Initialize them.
8128 (lookup_field_for_decl): Use field_map.
8129 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8130 (convert_local_omp_clauses): New.
8131 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8132 (walk_body): Split out of walk_function.
8133 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8134 (convert_nonlocal_reference): Handle omp statements.
8135 (convert_local_reference): Likewise.
8136 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8137 (unnest_nesting_tree): New.
8138 (lower_nested_functions): Call it.
8139 (insert_field_into_struct): Make extern.
8140 (struct walk_stmt_info): Move to tree-gimple.h.
8141 (walk_stmts): Make extern.
8142 * omp-builtins.def: New file.
8143 * tree-iterator.c (expr_only): Clarify comment.
8144 * c-common.h (pushdecl_top_level, pushdecl,
8145 build_modify_expr, build_indirect_ref,
8146 c_finish_omp_master, c_finish_omp_critical,
8147 c_finish_omp_ordered, c_finish_omp_barrier,
8148 c_finish_omp_atomic, c_finish_omp_flush,
8149 c_finish_omp_for, c_split_parallel_clauses,
8150 omp_clause_default_kind, c_omp_sharing_predetermined,
8151 c_omp_remap_decl): Declare.
8152 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8153 (OBJS-common): Add omp-low.o.
8154 (c-omp.o, omp-low.o): Add.
8155 (gimplify.o): Add dependency on $(OPTABS_H).
8156 (GTFILES): Add omp-low.c.
8157 (gt-stringpool.h): Add.
8158 * tree-cfg.c (set_bb_for_stmt): Do not update the
8159 block-to-labels map if we are currently expanding to RTL.
8160 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8162 Handle IDENTIFIER_NODE.
8163 (tree_verify_flow_info): Do not ICE when emitting error
8164 messages about invalid labels.
8165 (dump_function_to_file): Reset CFUN before emitting the body
8167 (debug_function): New.
8168 * passes.c (init_optimization_passes): Schedule
8170 * langhooks-def.h (lhd_omp_predetermined_sharing,
8171 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8173 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8174 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8175 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8176 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8177 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8178 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8179 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8180 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8181 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8182 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8183 (LANG_HOOK_DECLS): Use them.
8185 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8186 Richard Henderson <rth@redhat.com>
8187 Jakub Jelinek <jakub@redhat.com>
8188 Diego Novillo <dnovillo@redhat.com>
8190 * c-parser.c (pragma_omp_clause): Define.
8191 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8192 (c_parser_compound_statement): Likewise.
8193 (c_parser_statement): Likewise.
8194 (c_parser_pragma): Handle omp pragmas.
8195 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8196 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8197 (c_parser_omp_clause_name, check_no_duplicate_clause,
8198 c_parser_omp_variable_list,
8199 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8200 c_parser_omp_clause_copyprivate,
8201 c_parser_omp_clause_default,
8202 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8203 c_parser_omp_clause_lastprivate,
8204 c_parser_omp_clause_nowait,
8205 c_parser_omp_clause_num_threads,
8206 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8207 c_parser_omp_clause_reduction,
8208 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8209 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8210 c_parser_omp_atomic, c_parser_omp_barrier,
8211 c_parser_omp_critical, c_parser_omp_flush,
8212 c_parser_omp_for_loop, c_parser_omp_for,
8213 c_parser_omp_master, c_parser_omp_ordered,
8214 c_parser_omp_sections_scope, c_parser_omp_sections,
8215 c_parser_omp_parallel, c_parser_omp_single,
8216 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8217 * c-pragma.c (init_pragma): Do omp pragma registration here.
8218 * c.opt (fopenmp): New flag.
8220 2006-01-18 Eric Christopher <echristo@apple.com>
8222 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8223 * config/darwin.h (GOMP_SELF_SPECS): Define.
8225 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8227 * rtl.h: Remove the prototype for reg_alloc.
8229 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8232 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8233 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8234 sjlj and dwarf2 exception handling.
8235 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8236 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8237 * pa/pa.c (function_value): Treat complex and vector types as
8239 (function_arg): Likewise. Only pass scalar floats in the floating
8240 point argument registers.
8241 * pa/t-slibgcc-dwarf-ver: New file.
8242 * pa/t-slibgcc-sjlj-ver: New file.
8243 * pa/t-slibgcc-elf-ver: Delete file.
8245 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8247 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8248 unlikely_test_section_p test.
8250 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8252 * mode-switching.c (optimize_mode_switching): Make it static.
8253 * basic-block.h: Remove the prototype for
8254 optimize_mode_switching.
8256 * modulo-sched.c (sms_schedule): Make it static.
8257 * rtl.h: Remove the prototype for sms_schedule.
8259 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8260 * rtl.h: Remove the prototype for gcse_after_reload_main.
8262 * reg-stack.c (reg_to_stack): Make it static.
8263 * rtl.h: Remove the prototype for reg_to_stack.
8265 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8267 * rtl.h: Remove the prototypes for regrename_optimize and
8268 copyprop_hardreg_forward.
8270 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8272 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8273 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8274 Test against the appropriate null constant for the mode.
8275 If 'fixup_overlap' is true, swap the operands if they overlap.
8276 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8277 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8278 alpha_split_tmode_pair and adjust for above change.
8279 * config/alpha/alpha.md (movtf_internal): Adjust call to
8280 alpha_split_tfmode_pair and rely on it to swap the operands.
8281 (movti_internal): New insn and post-reload splitter.
8282 (movti): New expander.
8284 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8286 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8289 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8291 * rtlanal.c (global_reg_mentioned_p_1,
8292 global_reg_mentioned_p): Remove.
8293 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8295 * flow.c (initialize_uninitialized_subregs): Make it static.
8296 * rtl.h: Remove the prototype for
8297 initialize_uninitialized_subregs.
8299 * function.c (instantiate_virtual_regs): Make it static.
8300 * function.h: Remove the prototype for
8301 instantiate_virtual_regs.
8303 * regmove.c (regmove_optimize, combine_stack_adjustments):
8305 * rtl.h: Remove the prototypes for regmove_optimize and
8306 combine_stack_adjustments.
8308 2006-01-17 Roger Sayle <roger@eyesopen.com>
8310 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8311 (size_cost): Encode costs in bytes so that a reg-reg addition is
8312 equivalent to COSTS_N_INSNS(1).
8313 (override_options): Use the size_cost.branch_cost as the default
8314 ix86_branch_cost when optimizing for size.
8316 2006-01-18 Ben Elliston <bje@au.ibm.com>
8318 * Makefile.in (D32PBIT_FUNCS): New.
8319 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8320 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8321 D64PBIT_FUNCS and D128PBIT_FUNCS.
8322 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8323 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8325 (decnumber_dep): Define.
8326 * doc/libgcc.texi (Decimal float library routines): New node.
8327 * config/dfp-bit.h, config/dfp-bit.c: New files.
8329 2006-01-18 Ben Elliston <bje@au.ibm.com>
8331 * expr.c (emit_move_change_mode): Always adjust addresses, not
8332 just during reload. Copy replacements only during reload.
8333 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8334 emit_move_via_integer.
8336 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8338 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8339 instead of $(srcdir) and ${srcdir}.
8341 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8345 * arm.h (struct machine_function): Add pic_reg.
8346 * arm.c (arm_pic_register): Make unsigned.
8347 (arm_override_options): Only set arm_pic_register if
8348 TARGET_SINGLE_PIC_BASE.
8349 (use_return_insn): Only test for a pic register if it is fixed.
8350 (arm_compute_save_reg0_reg12_mask): Likewise.
8351 (thumb_compute_save_reg_mask): Likewise.
8352 (legitimate_pic_operand): Factor out some known invariants.
8353 (legitimize_pic_address): If we don't have a fixed pic register,
8354 then set up a pseudo in the function entry sequence. Handle the
8355 pic base being in a pseudo.
8356 (arm_load_pic_register): Handle the pic register being in a pseudo.
8357 (arm_expand_prologue): Only set up the pic register if it is fixed.
8358 (thumb_expand_prologue): Likewise.
8359 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8360 (pic_load_addr_based_insn): Likewise.
8361 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8364 2006-01-18 Ben Elliston <bje@au.ibm.com>
8366 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8367 decimal float modes for all floating point registers.
8369 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8370 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8372 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8375 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8376 even when the pointer is not NULL.
8378 2006-01-16 Ian Lance Taylor <ian@airs.com>
8380 * common.opt (ftoplevel-reorder): New option.
8381 * cgraph.c (cgraph_asm_nodes): New global variable.
8382 (cgraph_asm_last_node): New static variable.
8383 (cgraph_order): New global variable.
8384 (cgraph_create_node): Set new order field.
8385 (cgraph_varpool_node): Likewise.
8386 (decide_is_variable_needed): Return true if not
8387 flag_toplevel_reorder.
8388 (cgraph_add_asm_node): New function.
8389 * cgraph.h (struct cgraph_node): Add order field.
8390 (struct cgraph_varpool_node): Add order field.
8391 (struct cgraph_asm_node): Define.
8392 (cgraph_asm_nodes, cgraph_order): Declare.
8393 (cgraph_add_asm_node): Declare.
8394 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8396 (cgraph_varpool_assemble_pending_decls): Call it.
8397 (cgraph_output_pending_asms): New static function.
8398 (cgraph_finalize_compilation_unit): Call it.
8399 (struct cgraph_order_sort): Define.
8400 (cgraph_output_in_order): New static function.
8401 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8402 !flag_toplevel_reorder case.
8403 * c-parser.c: Include "cgraph.h".
8404 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8406 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8407 than -fno-unit-at-a-time.
8408 * doc/invoke.texi (Option Summary): Mention
8409 -fno-toplevel-reorder.
8410 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8411 -funit-at-a-time documentation.
8413 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8414 Kazu Hirata <kazu@codesourcery.com>
8416 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8418 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8420 * Makefile.in (FUNCTION_H): New. Use it instead of
8421 function.h throughout the file.
8422 * function.h: Include tree.h.
8424 2006-01-17 Ben Elliston <bje@au.ibm.com>
8426 * recog.c: Separate some functions with whitespace.
8428 2006-01-16 Richard Henderson <rth@redhat.com>
8430 Merge from gomp branch:
8431 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8432 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8433 and rename from struct inline_data. Rename callee* to dst*;
8434 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8435 transform_new_cfg, transform_return_to_modify, and
8436 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8438 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8439 (copy_decl_for_dup): Remove.
8440 * tree-inline.c (struct inline_data): Move to header.
8441 (insert_decl_map): Export.
8442 (remap_decl): Update for member name changes. Use copy_decl hook.
8443 Allow for replacement to be a non-decl. Remove dead code.
8444 (remap_type_1): Check for existing mapping.
8445 (remap_type): Export.
8446 (remap_decls): Update for member name changes.
8447 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8448 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8449 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8450 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8451 (tree_function_versioning, build_duplicate_type): Likewise.
8452 (copy_body_r): Likewise. Export.
8453 (copy_decl_for_dup): Split into ...
8454 (copy_decl_for_dup_finish, copy_decl_to_var,
8455 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8456 (replace_ref_tree, inlining_p): Remove.
8458 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8460 * ifcvt.c (if_convert): Make it static.
8461 * rtl.h: Remove the prototype for if_convert.
8463 * local-alloc.c (local_alloc): Make it static.
8464 * rtl.h: Remove the prototype for local_alloc.
8466 * loop.c (loop_optimize): Make it static.
8467 * cfgloop.h: Remove the prototype for loop_optimize.
8470 2006-01-16 DJ Delorie <dj@redhat.com>
8472 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8475 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8477 * pa.md: Disparage copies between general and floating-point registers
8478 in 32-bit move patterns.
8480 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8483 * Makefile.in (check-%): Depend on site.exp instead of
8484 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8487 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8489 * global.c (global_alloc): Make it static.
8490 * rtl.h: Remove the prototype for global_alloc.
8492 2006-01-16 Richard Guenther <rguenther@suse.de>
8494 * tree-ssa-alias.c (struct used_part): Add write_only field.
8495 (get_or_create_used_part_for): Initialize it to true.
8496 (create_overlap_variables_for): Don't create structure variables
8497 for structures that only are written to.
8498 (find_used_portions): Handle MODIFY_EXPR to track whether a
8499 structure is only written to.
8501 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8503 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8505 * basic-block.h: Remove the prototype for
8506 partition_hot_cold_basic_blocks.
8508 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8510 * cppspec.c (lang_specific_spec_functions): Remove.
8511 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8512 * gcc.h (lang_specific_spec_functions): Remove.
8513 * gccspec.c (lang_specific_spec_functions): Remove.
8515 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8517 * combine.c (record_value_for_reg): Invalidate registers
8519 (record_dead_and_set_regs_1): Likewise, by passing them to
8520 record_value_for_reg.
8521 (record_dead_and_set_regs): Invalidate stores made by a
8522 call. We do not combine across a call, but we still
8523 relied on equivalences.
8525 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8527 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8528 vrp_int_const_binop returning non-constant nodes.
8530 2006-01-16 Paul Brook <paul@codesourcery.com>
8532 * config/m68k/m68k.c (output_move_const_into_data_reg):
8533 Output correct mnemonic for mvz and mvs.
8535 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8537 * rtl-factoring.c: Add sequence abstraction algorithm.
8538 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8539 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8541 (block_has_preserve_label): New function.
8542 * common.opt: Register new pass.
8543 * Makefile.in: Ditto.
8545 * timevar.def: Ditto.
8546 * tree-pass.h: Ditto.
8547 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8548 * rtl.h (make_jump_insn_raw): Add forward decl.
8549 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8551 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8552 Roger Sayle <roger@eyesopen.com>
8554 * fold-const.c (fold_minmax): New static function.
8555 (fold_binary) <MIN_EXPR>: Call it.
8556 <MAX_EXPR>: Likewise.
8557 * stor-layout.c (place_field): Use DECL_SIZE consistently
8558 in the computation of the new record size.
8560 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8562 * cse.c (cse_condition_code_reg): Make it static.
8563 * rtl.h: Remove the prototype for cse_condition_code_reg.
8565 * combine.c (combine_instructions): Make it static.
8566 * rtl.h: Remove the prototype for combine_instructions.
8568 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8571 * tree.c (get_file_function_name_long): Concatenate the first global
8572 object name with a string derived from the input filename of the object
8575 2006-01-16 Ben Elliston <bje@au.ibm.com>
8577 * config/i386/winnt-stubs.c: Update FSF address.
8578 * config/xtensa/ieee754-df.S: Ditto.
8579 * config/xtensa/ieee754-sf.S: Ditto.
8581 2006-01-14 Ian Lance Taylor <ian@airs.com>
8583 * ifcvt.c (noce_init_if_info): New static function, broken out of
8584 noce_process_if_block.
8585 (noce_process_if_block): Call noce_init_if_info.
8586 (check_cond_move_block): New static function.
8587 (cond_move_process_if_block): New static function.
8588 (process_if_block): Call cond_move_process_if_block.
8590 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8592 * cselib.c (hash_table): Rename to cselib_hash_table.
8593 (cselib_clear_table, discard_useless_values,
8594 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8595 cselib_init, cselib_finish): Adjust uses of hash_table.
8597 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8599 PR tree-optimization/25485
8600 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8601 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8602 is known to be false and true, respectively.
8604 2006-01-14 Richard Guenther <rguenther@suse.de>
8606 PR tree-optimization/22548
8607 PR tree-optimization/22555
8608 PR tree-optimization/22501
8609 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8610 * params.def (salias-max-array-elements): New parameter.
8611 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8612 * doc/invoke.texi (salias-max-array-elements): Document.
8613 * tree-flow-inline.h (var_can_have_subvars): We also handle
8615 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8617 * tree-ssa-structalias.c (params.h): Include.
8618 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8619 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8620 (get_constraint_for): For ADDR_EXPR operating on something
8621 containing an ARRAY_REF, add all subvars to the solution.
8622 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8623 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8624 for creating MUST_DEFs.
8625 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8627 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8629 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8631 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8632 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8633 number_of_iterations_le): New functions.
8634 (number_of_iterations_special): Removed.
8635 (number_of_iterations_exit): Do not use number_of_iterations_special.
8636 * tree.c (unsigned_type_for): Always return integer type.
8638 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8639 Richard Guenther <rguenther@suse.de>
8641 PR rtl-optimization/24257
8642 * gcse.c (find_moveable_store): Only consider a store movable
8643 when the SET_SRC of the insn can be assigned to a register.
8645 2006-01-14 Ian Lance Taylor <ian@airs.com>
8647 * tree.c (tree_not_class_check_failed): New function.
8648 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8649 (tree_not_class_check_failed): Declare.
8651 2006-01-13 Ian Lance Taylor <ian@airs.com>
8653 * reload1.c (do_output_reload): Add assertion rejecting a
8656 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8658 * combine.c (struct reg_stat): Add new fields truncation_label and
8660 (record_value_for_reg): Reset truncated_to_mode.
8661 (record_truncated_value): New function.
8662 (check_promoted_subreg): Call it. Rename to check_conversions.
8663 (combine_instructions): Rename check_promoted_subreg to
8665 (reg_truncated_to_mode): New function.
8666 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8667 (gen_lowpart_or_truncate): New function.
8668 (force_to_mode): Use it instead of gen_lowpart.
8670 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8672 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8673 VAR is a tag, not its type tag.
8675 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8677 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8678 alternatives to match style of other entries.
8679 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8681 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8683 PR tree-optimization/25771
8684 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8687 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8690 * tree-inline.c (declare_return_variable): If the return variable
8691 was marked as a non gimple complex, set the return slot variable
8692 to be a non gimple comple variable.
8694 2006-01-13 Richard Guenther <rguenther@suse.de>
8696 * builtins.c (expand_builtin_sincos): New function.
8697 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8699 (expand_builtin): Expand sincos using expand_builtin_sincos.
8701 2006-01-12 DJ Delorie <dj@redhat.com>
8703 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8704 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8705 so that constant shifts can be split.
8706 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8707 (m32c_valid_pointer_mode): Make static.
8708 (shift_gen_func_for): New.
8709 (m32c_prepare_shift): Use it. Split large const shifts into
8711 * config/m32c/predicates.md (shiftcount_operand): Allow more
8713 (longshiftcount_operand): New.
8714 * doc/md.texi (Machine Constraints): Document In6.
8716 2006-01-13 Ben Elliston <bje@au.ibm.com>
8718 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8719 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8722 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8724 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8725 to try to avoid clobbering pieces of structures when we know
8726 something about the whole structure.
8727 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8729 2006-01-13 Ben Elliston <bje@au.ibm.com>
8731 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8732 return in memory, as this is no limitation is no longer present.
8734 2006-01-12 DJ Delorie <dj@redhat.com>
8736 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8737 mova with fb, and for fb+0 -> An.
8739 * config/m32c/mov.md (peephole2): Fix enabling logic.
8741 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8742 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8743 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8744 FINI_ARRAY_SECTION_ASM_OP): Define.
8746 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8748 (m32c_legitimize_reload_address): New logic to reload FB to An.
8749 (m32c_output_reg_push): Add newline.
8750 (m32c_output_reg_pop): Likewise.
8752 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8754 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8756 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8758 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8760 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8762 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8765 2006-01-11 Ben Elliston <bje@au.ibm.com>
8767 * rtlanal.c (find_reg_note): Assert insn is not null.
8769 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8771 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8774 2006-01-11 Jeff Law <law@redhat.com>
8776 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8778 (mark_threaded_blocks, register_jump_thread): New functions.
8779 (thread_through_all_blocks): Remove unwanted argument. No
8780 longer rely on e->aux to communicate thread target info.
8781 Call mark_threaded_blocks. Release the threaded_blocks
8782 bitmap and threaded_edges vector when complete.
8783 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8784 (threaded_blocks): Remove.
8785 (tree_ssa_dominator_optimize): Remove initialization and
8786 finalization of threaded_blocks. Simplify call to
8787 thread_through_all_blocks.
8788 (thread_across_edge): Call register_jump_thread rather than
8789 storing thread information into e->aux.
8790 (free_all_edge_infos): Simplify now that e->aux is no longer
8791 used to communicate with thread_through_all_blocks.
8792 * tree-flow.h (thread_through_all_blocks): Update prototype.
8793 (register_jump_thread): Prototype.
8795 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8797 * df-core.c (df_compact_blocks, df_bb_replace): Use
8798 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8800 2006-01-11 Richard Guenther <rguenther@suse.de>
8802 PR tree-optimization/25734
8803 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8804 stop propagation after successful propagation to the LHS.
8806 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8808 * basic-block.h (control_flow_graph): Change the type of
8809 x_basic_block_info to VEC(basic_block,gc) *.
8810 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8812 (SET_BASIC_BLOCK): New.
8813 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8814 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8815 * cfgbuild.c (find_basic_blocks): Likewise.
8816 * cfglayout.c (fixup_reorder_chain): Likewise.
8817 * cfgrtl.c (create_basic_block_structure,
8818 rtl_create_basic_block): Likewise.
8819 * ifcvt.c (find_if_case_1): Likewise.
8820 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8823 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8825 * Makefile.in: Removed rotted odf.c entry.
8827 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8830 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8831 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8832 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8833 output pattern modifier, not %e.
8834 * config/cris/cris.c (cris_op_str): Update comment about pattern
8836 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8837 before falling through into...
8838 <case 'E'>: Redefined from old 'e' case.
8840 2006-01-11 Jan Hubicka <jh@suse.cz>
8843 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8845 2006-01-11 Jan Hubicka <jh@suse.cz>
8847 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8848 * i386.c (x86_decompose_lea): Kill.
8849 (ix86_rtx_costs): Kill.
8851 2006-01-11 Jan Hubicka <jh@suse.cz>
8853 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8854 * cgraph.h (cgraph_node): Add inline_decl.
8855 (cgraph_insert_node_to_hashtable): Declare.
8856 (save_inline_function_body): Declare.
8857 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8859 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8860 (cgraph_function_versioning): Update call of tree_function_versioning.
8861 (save_inline_function_body): New function.
8862 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8863 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8864 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8865 (cgraph_default_inline_p): Likewise.
8866 (cgraph_decide_inlining_incrementally): Likewise.
8867 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8868 (copy_bb): Kill saving; do updating of clones.
8869 (copy_cfg_body): Kill saving.
8870 (initialize_inlined-parameters): Likewise.
8871 (expand_call_inline): Likewise.
8873 (tree_function_versioning): New parameter "update_clones".
8874 (inlining_p): Kill saving.
8875 * tree-inline.h (tree_function_versioning): Update prototype.
8876 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8879 2006-01-11 Ian Lance Taylor <ian@airs.com>
8881 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8882 Allow undoing set of machine mode.
8883 (do_SUBST): Use enums instead of is_int.
8884 (do_SUBST_MODE): New function.
8885 (SUBST_MODE): New macro.
8886 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8887 reg and trying to replace reg_regno_rtx with a new register.
8888 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8889 (simplify_set): Use SUBST_MODE.
8890 (distribute_notes): Remove code that tried to update reg notes
8891 for regno_reg_rtx changes.
8893 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8895 PR tree-optimization/23109
8896 PR tree-optimization/23948
8897 PR tree-optimization/24123
8899 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8900 * tree-cfg.c (single_noncomplex_succ): New.
8901 * tree-flow.h (single_noncomplex_succ): Declare it.
8902 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8903 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8904 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8905 insert_bb, register_division_in, insert_reciprocals,
8906 replace_reciprocal, free_bb): New.
8907 (execute_cse_reciprocals_1): Rewritten.
8908 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8909 Do not commit any edge insertion. Always compute dominators and
8910 create the allocation pool.
8911 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8912 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8913 * targhooks.c (default_min_divistions_for_recip_mul): New.
8914 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8915 * passes.c (init_optimization_passes): Run recip after tree loop
8917 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8919 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8920 Kenneth Zadeck <zadeck@naturalbridge.com>
8922 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8923 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8924 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8925 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8926 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8927 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8928 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8929 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8930 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8931 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8932 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8933 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8934 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8935 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8936 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8937 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8938 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8939 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8940 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8941 DF_SCAN_POST_ALLOC): New macros.
8942 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8943 df_free_bb_function, df_local_compute_function, df_init_function,
8944 df_dataflow_function, df_confluence_function_0,
8945 df_confluence_function_n, df_transfer_function,
8946 df_finalizer_function, df_free_function, df_dump_problem_function,
8947 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8948 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8949 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8950 df_urec_bb_info, ) New types.
8951 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8953 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8954 df_analyze_simple_change_some_blocks,
8955 df_analyze_simple_change_one_block, df_compact_blocks,
8956 df_bb_replace, df_bb_regno_last_use_find,
8957 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8958 df_insn_regno_def_p, df_find_def, df_find_use,
8959 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8960 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8961 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8962 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8963 debug_df_chain, df_get_dependent_problem, df_chain_create,
8964 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8965 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8966 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8967 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8968 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8969 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8970 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8971 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8972 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8973 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8974 df_reorganize_refs, df_set_state, df_hard_reg_init,
8975 df_read_modify_subreg_p) New public functions.
8976 * df-core.c: The core dataflow solver and glue routines for rtl
8978 (df_init, df_add_problem, df_set_blocks, df_finish,
8979 df_hybrid_search_forward, df_hybrid_search_backward,
8980 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8981 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8982 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8983 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8984 df_reg_defined, df_find_use, df_reg_used, df_dump,
8985 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8986 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8987 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8988 debug_df_useno, reset_df_after_reload): New functions.
8989 * df-scan.c: The scanning fuctions, once in df.c, completely
8990 rewritten so that they now fully model the functionality of
8991 register usage at the backend.
8992 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8993 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8994 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8995 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8996 df_get_artificial_defs, df_get_artificial_uses,
8997 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8998 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8999 df_refs_delete, df_reorganize_refs, df_set_state,
9000 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9001 df_def_record_1, df_defs_record, df_uses_record,
9002 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9003 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9004 df_record_exit_block_uses, df_hard_reg_init): New functions.
9006 * df-problems.c: Seven concrete dataflow problems that use the
9007 scanning in df-scan.c and are solved by the engine in df-core.c.
9008 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9009 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9010 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9011 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9012 df_ru_free_bb_info, df_ru_alloc,
9013 df_ru_bb_local_compute_process_def,
9014 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9015 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9016 df_ru_transfer_function, df_ru_free, df_ru_dump,
9017 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9018 df_rd_free_bb_info, df_rd_alloc,
9019 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9020 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9021 df_rd_transfer_function, df_rd_free, df_rd_dump,
9022 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9023 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9024 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9025 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9026 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9027 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9028 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9029 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9030 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9031 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9032 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9033 df_urec_mark_reg_use_for_earlyclobber,
9034 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9035 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9036 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9037 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9038 df_chain_create_bb_process_use, df_chain_create_bb,
9039 df_chain_finalize, df_chain_free, df_chains_dump,
9040 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9041 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9042 df_reg_lifetime): New functions.
9043 * df.c: Deleted file.
9044 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9045 consistent with new df api.
9046 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9047 rest_of_handle_sms): Ditto.
9048 * web.c (unionfind_union, union_defs, entry_register, web_main):
9050 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9051 invariant_expr_equal_p, find_defs, check_dependencies,
9052 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9053 free_inv_motion_data, move_loop_invariants): Ditto.
9054 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9055 Update dependencies.
9056 (odf.c): Added defective entry that was deleted later in day.
9057 * sched-deps.c (sched_analyze_1): Ditto.
9059 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9061 * tree-ssa-operands.c (get_expr_operands): Record addressable
9062 variables directly. Do not call add_stmt_operands for CONST_DECLs
9064 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9065 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9067 2006-01-11 Ben Elliston <bje@au.ibm.com>
9069 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9070 function returns true in the positive case.
9072 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9075 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9076 for SI, DI, SF and DF modes. Add alternatives to copy between
9077 general and floating point registers to the 32-bit patterns.
9078 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9079 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9080 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9081 generating 64-bit code.
9082 * config/pa/pa.c (output_move_double): Handle copies between general
9083 and floating registers.
9085 2006-01-10 Stuart Hastings <stuart@apple.com>
9087 * config/i386/i386.md (set_got): Update.
9088 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9089 (builtin_setjmp_receiver): Mach-O support.
9090 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9091 (GOT_SYMBOL_NAME): Define.
9092 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9093 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9094 * config/i386/i386.c (override_options): Revise for Darwin.
9095 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9096 support. (darwin_x86_file_end): New. (output_set_got): Add label
9097 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9098 * config/i386/i386-protos.h (output_set_got): Likewise.
9099 * config/darwin.c (machopic_legitimize_pic_address): Update
9102 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9104 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9105 when MODE isn't BLKmode.
9107 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9109 PR rtl-optimization/25367
9110 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9112 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9115 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9116 for a negative bound.
9118 2006-01-10 Richard Guenther <rguenther@suse.de>
9120 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9121 Never override with anything constraint.
9123 2006-01-10 Jan Beulich <jbeulich@novell.com>
9125 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9126 256 bits when optimize_size.
9128 2006-01-10 Jan Beulich <jbeulich@novell.com>
9130 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9132 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9133 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9136 2006-01-10 Ben Elliston <bje@au.ibm.com>
9138 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9140 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9141 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9142 (USE_FP_FOR_ARG): Reject decimal float modes.
9143 (function_arg_advance): Likewise.
9144 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9145 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9146 point types in AltiVec vectors.
9147 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9148 (rs6000_libcall_value): Likewise.
9150 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9152 * config/xtensa/ieee754-df.S: New file.
9153 * config/xtensa/ieee754-sf.S: New file.
9154 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9155 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9156 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9158 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9160 * config/sh/predicates.md (binary_float_operator,
9161 binary_logical_operator, commutative_float_operator,
9162 equality_comparison_operator, greater_comparison_operator,
9163 less_comparison_operator, logical_operator,
9164 noncommutative_float_operator, shift_operator,
9165 symbol_ref_operand, unary_float_operator): Remove redundant
9168 2006-01-09 Jeff Law <law@redhat.com>
9170 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9171 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9172 now unused arguments. Callers updated.
9173 (eliminate_redundant_computations): Remove now unused arguments,
9175 (local_fold): Remove, no longer used.
9176 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9178 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9179 (simplify_cond): New function.
9180 (forward_propagate_into_cond): Call simplify_cond.
9182 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9184 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9185 (*vec_extractv2di_1_sse): New.
9187 2006-01-09 Ben Elliston <bje@au.ibm.com>
9189 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9191 2006-01-08 Richard Guenther <rguenther@suse.de>
9193 * tree-ssa-structalias.c (get_constraint_for): Remove
9195 (get_constraint_for_component_ref): Likewise.
9196 (do_deref): Likewise.
9197 (get_constraint_for): Likewise.
9198 (do_structure_copy): Likewise.
9199 (handle_ptr_arith): Likewise.
9200 (find_func_aliases): Likewise. Remove unused need_anyoffset
9203 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9204 Kaz Kojima <kkojima@gcc.gnu.org>
9206 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9207 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9208 (EXTRA_CONSTRAINT_C16): Remove.
9209 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9210 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9211 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9212 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9213 constants of SHmedia. Handle nested constant expressions of
9215 (andcosts): Fix the costs for SHmedia constants.
9216 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9217 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9218 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9219 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9220 (movv4hi_i, movv2si_i): Likewise.
9221 (movsi_const): Adjust the second operand of ior so to match with
9223 (movdi_const, movdi_const_32bit): Likewise.
9224 (movdi_const_16bit+1): Don't sign-extend LOW.
9225 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9227 (*double_shori): Fix the split condition. Use GEN_INT instead
9228 of get_int_mode calls. Mask lower 16-bit of the argument of
9230 (sym2GOTPLT): Remove.
9231 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9233 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9234 instead of EXTRA_CONSTRAINT_C16.
9236 2006-01-07 Ian Lance Taylor <ian@airs.com>
9237 David Edelsohn <edelsohn@gnu.org>
9239 PR rtl-optimization/25662
9240 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9241 for constant operands instead of simplify_gen_binary.
9242 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9243 after trying simplify_binary_operation
9245 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9247 * tree.c (iterative_hash_expr): Hash decls based on UID.
9249 2006-01-06 Eric Christopher <echristo@apple.com>
9251 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9252 (TARGET_UNWIND_EMIT): Fix spelling.
9253 * target.h (gcc_target): Add except_table_label.
9254 * except.c (output_function_exception_table): Use.
9255 * varasm.c (default_emit_except_table_label): New.
9256 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9258 (asm_out): Add here.
9259 * output.h (default_emit_except_table_label): Prototype.
9260 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9261 * config/darwin.c (darwin_emit_except_table_label): Define.
9262 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9264 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9266 PR tree-optimization/18527
9267 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9268 number_of_iterations_special, number_of_iterations_exit):
9269 Move base and step of an iv to a single structure. Add
9270 no_overflow flag, and use it in # of iterations analysis.
9271 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9272 folded_casts argument.
9273 (simple_iv): Pass base and step in a structure. Set no_overflow
9275 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9276 Evaluate expensiveness of computing # of iterations instead of
9277 the final expression.
9278 * tree-scalar-evolution.h (affine_iv): New structure.
9279 (simple_iv): Declaration changed.
9280 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9281 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9282 find_givs_in_stmt): Changed due to simple_iv change.
9284 2006-01-06 Jeff Law <law@redhat.com>
9287 * tree-cfg.c (bsi_replace): Rename final argument from
9288 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9289 change (stmt -> orig_stmt).
9290 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9291 (bsi_remove): Add new argument. Remove EH information
9293 (verify_eh_throw_table_statements): New function.
9294 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9296 * tree-optimize.c (execute_free_cfg_annotations): Verify
9297 the EH throw statement table after removing annotations.
9298 * except.h (verify_eh_throw_table_statements): Prototype.
9299 * tree-flow.h (bsi_remove): Update prototype.
9300 * tree-vrp.c (remove_range_assertions): Add new argument to
9302 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9303 * tree-complex.c (expand_complex_div_wide): Likewise.
9304 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9305 * tree-tailcall.c (eliminate_tailcall): Likewise.
9306 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9307 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9308 * tree-nrv.c (tree_nrv): Likewise.
9309 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9310 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9311 (combine_blocks): Likewise.
9312 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9313 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9314 (cleanup_control_flow): Likewise.
9315 (remove_forwarder_block): Likewise.
9316 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9317 * tree-sra.c (sra_replace): Likewise.
9318 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9319 (forward_propagate_single_use_vars): Likewise.
9320 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9321 * tree-inline.c (expand_call_inline): Likewise.
9322 * tree-vect-transform.c (vect_transform_loop): Likewise.
9323 * tree-outof-ssa.c (rewrite_trees): Likewise.
9324 * tree-cfg.c (make_goto_expr_edges): Likewise.
9325 (cleanup_dead_labels): Likewise.
9326 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9327 (bsi_move_before, bsi_move_after): Likewise.
9328 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9329 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9331 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9334 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9336 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9337 on non gimple variables. Also add checks at the top for decls and
9339 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9341 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9342 and IMAGPART_EXPR for creating MUST_DEFs.
9343 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9344 and NAME_MEMORY_TAG separately from the DECLs.
9346 2006-01-06 Richard Guenther <rguenther@suse.de>
9348 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9349 annotation, if necessary.
9350 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9351 redundant calls to update_stmt.
9352 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9355 2006-01-05 Richard Henderson <rth@redhat.com>
9357 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9359 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9361 * c-typeck.c: Update copyright date.
9363 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9365 * c-typeck.c (build_c_cast): Always warn when casting
9366 from a pointer to an integer of different size, even if
9367 the node was constant.
9369 2006-01-05 Richard Guenther <rguenther@suse.de>
9371 PR tree-optimization/22555
9372 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9373 if one structure field is an array.
9374 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9375 operands even if we found a subvar, but ignore VOPs in this
9377 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9379 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9381 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9384 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9386 2006-01-05 Richard Guenther <rguenther@suse.de>
9387 Diego Novillo <dnovillo@redhat.com>
9389 * tree-pass.h (TODO_remove_unused_locals): Define.
9390 * gimple-low.c (expand_var_p, remove_useless_vars,
9391 pass_remove_useless_vars): Remove. Update all users.
9392 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9393 (remove_unused_locals): New function.
9394 * tree-flow.h (remove_unused_locals): Declare.
9395 * passes.c (execute_todo): Call remove_unused_locals if
9396 TODO_remove_unused_locals is set.
9397 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9398 * tree-ssa-dce.c (pass_dce): Likewise.
9399 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9401 2006-01-05 Richard Guenther <rguenther@suse.de>
9403 * tree-flow.h (struct fieldoff): Decompose field to
9404 type, size and decl.
9405 * tree-ssa-alias.c (create_sft): Take type as parameter.
9406 (create_overlap_variables_for): Store type, size and decl
9407 in the fieldoff structure.
9408 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9410 (push_fields_onto_fieldstack): Likewise.
9411 (create_variable_info_for): Likewise. Use offset for the
9412 SFT name if the decl is not available.
9414 2006-01-04 Paul Brook <paul@codesourcery.com>
9416 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9418 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9420 * lambda-code.c (can_put_in_inner_loop): Relax
9422 (can_put_after_inner_loop): New function.
9423 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9424 (perfect_nestify): Change to make copies and modify uses.
9426 2006-01-04 Richard Henderson <rth@redhat.com>
9428 Merge from gomp branch:
9429 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9430 via integer constant.
9431 (pragma_lex): Remove.
9432 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9433 rather than parsing it.
9434 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9435 handle_pragma_extern_prefix): Add %< %> quotes.
9436 (registered_pragmas): New.
9437 (c_register_pragma_1): New.
9438 (c_register_pragma): Use it.
9439 (c_register_pragma_with_expansion): Likewise.
9440 (c_invoke_pragma_handler): New.
9441 (init_pragma): Use cpp_register_deferred_pragma directly for
9443 * c-pragma.h (enum pragma_kind): New.
9444 (pragma_handler): New.
9445 (c_invoke_pragma_handler): Declare.
9446 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9448 * c-common.h (c_common_pch_pragma): Update decl.
9449 * Makefile.in (c-parser.o): Update dependencies.
9450 (GTFILES): Add c-pragma.h.
9451 * c-parser.c (struct c_token): Add pragma_kind.
9452 (struct c_parser): Add in_pragma.
9453 (c_lex_one_token): Always initialize keyword and pragma_kind.
9454 Extract data for CPP_PRAGMA.
9455 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9456 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9457 Don't allow CPP_PRAGMA_EOL if in_pragma.
9458 (c_parser_consume_pragma): New.
9459 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9460 (c_parser_skip_to_end_of_parameter): Likewise.
9461 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9462 (c_parser_skip_to_pragma_eol): New.
9463 (c_parser_external_declaration): Handle CPP_PRAGMA.
9464 (c_parser_compound_statement_nostart): Likewise.
9465 (c_parser_statement_after_labels): Likewise.
9466 (c_parser_pragma): New.
9467 (pragma_lex): Likewise.
9468 (c_parser_pragma_pch_preprocess): New.
9469 (c_parser_new): Merge into ...
9470 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9472 2006-01-04 Jeff Law <law@redhat.com>
9475 * tree-cfg.c (bsi_replace): Remove the original statement
9476 from the EH throw statement table.
9478 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9480 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9481 make the prototype extern "C" and add throw ().
9484 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9485 and pos non-negative and pos + len <= 32.
9486 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9487 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9488 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9491 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9492 as well as sizes not multiple of component size.
9495 * function.c (instantiate_expr): New function.
9496 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9497 walk its DECL_VALUE_EXPR with instantiate_expr.
9499 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9500 DW_OP_deref{,_size} if address isn't going to be added.
9502 2006-01-04 Ben Elliston <bje@au.ibm.com>
9504 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9505 * config/fp-bit.c: Likewise.
9507 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9509 * dominance.c: Add comment about why we use DFS numbering
9512 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9513 Richard Henderson <rth@redhat.com>
9515 Merge from gomp-branch:
9516 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9517 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9519 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9521 PR rtl-optimization/25578
9522 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9523 pass a parameter to simplify_shift_const if changing ASHIFTRT
9526 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9528 * builtins.c (get_builtin_sync_mem): New function.
9529 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9530 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9531 Call get_builtin_sync_mem to generate mem rtx.
9533 2006-01-03 Richard Guenther <rguenther@suse.de>
9536 * stmt.c (add_case_node): Make sure to clear overflow flags
9539 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9541 Merge from gomp-branch.
9542 * config/sparc/sync.md: New file.
9543 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9544 UNSPECV_LDSTUB): New constants.
9545 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9546 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9547 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9550 2006-01-03 Roger Sayle <roger@eyesopen.com>
9552 * combine.c (reg_subword_p): New predicate to test whether the
9553 destination of a set refers to a subword/piece of a register.
9554 (try_combine): Generalize the code to merge the setting of a
9555 pseudo to a constant followed by a set of a subword of that
9556 register to a constant.
9558 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9560 * basic-block.h (control_flow_graph): Change the type of
9561 x_label_to_block_map to VEC(basic_block,gc) *.
9562 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9563 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9565 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9566 VEC(basic_block,heap) *.
9567 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9568 ssa_prop_fini): Adjust the uses of cfg_blocks.
9570 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9572 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9574 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9575 hashing trees instead of a pointer hash.
9576 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9577 compare for MEM_EXPR.
9579 PR rtl-optimization/25130
9580 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9581 when comparing MEMs for GCSE
9583 2006-01-03 Ben Elliston <bje@au.ibm.com>
9585 * targhooks.h (default_decimal_float_supported_p): Declare.
9586 * targhooks.c (default_decimal_float_supported_p): Define.
9587 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9588 `default_decimal_float_supported_p'.
9589 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9591 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9593 * combine.c (apply_distributive_law <SUBREG>): Check
9594 TRULY_NOOP_TRUNCATION.
9596 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9598 * dwarf2out.c (have_switched_text_section): Delete.
9599 (have_multiple_function_sections): New.
9600 (have_location_lists): Make 'bool'.
9601 (add_AT_loc_list): Use 'true' not '1'.
9602 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9603 (output_loc_list): Use have_multiple_function_sections.
9604 (output_ranges): Likewise.
9605 (dwarf2out_begin_function): Set have_multiple_function_sections if
9607 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9608 Check function_section rather than DECL_SECTION_NAME.
9609 (dwarf2out_finish): Use have_multiple_function_sections.
9610 Don't clear have_location_lists.
9612 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9613 Jan Hubicka <jh@suse.cz>
9615 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9616 case of conditional jump jumping to the next instruction.
9617 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9618 cases of conditional jump jumping to the next instruction.
9620 2006-01-02 Jan Hubicka <jh@suse.cz>
9622 * i386.c (*_cost): Add COSTS_N_INSNS.
9623 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9625 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9628 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9630 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9632 * config/arm/arm.c (all_fpus): Fix comment typo.
9633 * config/darwin.c: Likewise.
9634 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9635 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9636 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9638 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9640 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9641 (rs6000_split_compare_and_swapqhi): New.
9642 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9643 (sync_compare_and_swapqhi_internal): New.
9644 * config/rs6000/rs6000-protos.h: Declare.