1 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2 Nathan Sidwell <nathan@codesourcery.com>
5 * stor-layout.c (update_alignment_for_field): Do not align
7 (place_union_field): Place union field at the start of the union.
8 (place_field): Move ERROR_MARK check later, and use the current
9 allocation position to maintain monotonicity.
11 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13 * dominance.c: Include timevar.h.
14 (calculate_dominance_info): Use TV_DOMINANCE.
15 * timevar.def (TV_DOMINANCE): New timevar.
16 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
18 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
20 PR rtl-optimization/14261
21 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
22 move would be an INSV insn.
23 (noce_process_if_block): Don't optimize if the destination is a
24 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
26 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
28 * config/s390/s390.md: Add comments with the instructions emitted
29 by an insn pattern if macros are used.
31 2006-04-19 Alan Modra <amodra@bigpond.net.au>
33 PR rtl-optimization/26026
34 * fold-const.c (fold_binary): Optimize div and mod where the divisor
35 is a known power of two shifted left a variable amount.
37 2006-04-18 Geoffrey Keating <geoffk@apple.com>
39 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
40 to hash table twice when the debug_str section has SECTION_MERGE.
42 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
44 * config/soft-fp: New directory. From glibc.
45 * config/soft-fp/t-softfp: New.
46 * config/soft-fp/README: New.
47 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
48 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
49 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
50 (LIBGCC_DEPS): Add $(SFP_MACHINE).
51 * config.gcc: Use rs6000/t-fprules-fpbit or
52 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
54 * config/rs6000/sfp-machine.h: New. Based on glibc.
55 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
57 * config/rs6000/t-fprules: Remove fp-bit rules.
58 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
59 * config/rs6000/t-linux64: Likewise. Remove duplicates from
60 LIB2FUNCS_EXTRA. Remove fp-bit rules.
61 (softfp_wrap_start, softfp_wrap_end): New.
63 2006-04-18 DJ Delorie <dj@redhat.com>
65 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
67 2006-04-18 Devang Patel <dpatel@apple.com>
69 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
71 2006-04-18 Nick Clifton <nickc@redhat.com>
73 * config/sh/t-symbian: Add rule to build sh-c.o
74 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
75 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
76 (sh_symbian_encode_section_info): Likewise.
78 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
80 * builtins.c (expand_builtin_strcmp): Cover label definition of
81 do_libcall with HAVE_cmpstrnsi.
83 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
85 * function.c (temp_slots_at_level, max_slot_level): Use VEC
87 * function.h (temp_slot_p): New.
88 (function): Change the type of x_used_temp_slots to
89 VEC(temp_slot_p,gc) *.
91 2006-04-18 Nick Clifton <nickc@redhat.com>
93 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
96 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
98 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
102 Partial revert of revision 112637
103 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
104 Dale Johannesen <dalej@apple.com>
107 * regclass.c (struct reg_pref): Update documentation.
108 (regclass): Set prefclass to NO_REGS if memory is the best option.
109 (record_reg_classes): Cope with a prefclass set to NO_REGS.
111 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
113 PR tree-optimization/26821
114 * tree-ssa-math-opts.c (get_constant_one): New.
115 (insert_reciprocals): Use it.
117 2006-04-17 Geoffrey Keating <geoffk@apple.com>
119 * dwarf2out.c (free_AT): Delete.
120 (remove_AT): Update string ref counts.
121 (remove_child_TAG): Don't call free_die.
123 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
125 (prune_unused_types_walk_attribs): Reset string refcounts.
126 (prune_unused_types_update_strings): New.
127 (prune_unused_types_prune): Don't make unnecessary stores. Don't
128 call free_die. Do call prune_unused_types_update_strings.
129 (prune_unused_types): Empty debug_str_hash.
131 2006-04-17 Roger Sayle <roger@eyesopen.com>
133 * expr.c (expand_assignment): Optimize away no-op moves where the
134 source and destination are equal and have no side-effects.
136 2006-04-17 Richard Guenther <rguenther@suse.de>
139 * reload.c (push_reload): Guard calls to get_secondary_mem
142 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
144 * alias.c (reg_base_value, old_reg_base_value): Change the
145 type to VEC(rtx,gc) *.
146 (REG_BASE_VALUE, find_base_value, record_set,
147 init_alias_analysis): Use VEC instead of VARRAY.
149 * alias.c (alias_sets): Change the type to
150 VEC(alias_set_entry,gc) *.
151 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
152 VEC instead of VARRAY.
153 (last_alias_set): Remove.
155 * cgraph.h (cgraph_edge_p): New.
156 Update the prototype of cgraph_function_versioning.
157 * cgraphunit.c (cgraph_copy_node_for_versioning,
158 cgraph_function_versioning): Use VEC instead of VARRAY.
159 * ipa-cp.c (ipcp_insert_stage): Likewise.
161 2006-04-16 Roger Sayle <roger@eyesopen.com>
164 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
165 "A op B" or "A op C", we may need to convert A to the type of B and C.
167 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
169 * target.h (struct gcc_target): Add mode_rep_extended.
170 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
171 (init_num_sign_bit_copies_in_rep): Initialize it using
173 (truncate_to_mode): Use it.
174 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
175 * targhooks.h (default_mode_rep_extended): Declare it.
176 * targhooks.c (default_mode_rep_extended): Define it.
177 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
178 default_mode_rep_extended.
179 (TARGET_INITIALIZER): Include it.
180 * doc/tm.texi (Misc): Document it.
181 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
182 (mips_truncated_to_mode): New function.
184 2006-04-16 Roger Sayle <roger@eyesopen.com>
187 * expr.c (compress_float_constant): Copy the narrow constant into
188 a new pseudo before extending it to its final width.
190 2006-04-16 Roger Sayle <roger@eyesopen.com>
191 Andrew Pinski <pinskia@gcc.gnu.org>
192 Dale Johannesen <dalej@apple.com>
195 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
196 special case code to implement V8HImode and V16QImode with SSE2.
198 2006-04-15 Roger Sayle <roger@eyesopen.com>
200 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
201 trees are constructed with a suitable tree type.
203 2006-04-15 Roger Sayle <roger@eyesopen.com>
205 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
206 (integer_onep): Likewise.
207 (integer_all_onesp): Likewise.
208 (integer_pow2p): Likewise.
209 (integer_nonzerop): Likewise.
210 (real_zerop): Likewise.
211 (real_onep): Likewise.
212 (real_twop): Likewise.
213 (real_minus_onep): Likewise.
214 (int_size_in_bytes): Likewise.
215 (host_integerp): Likewise.
217 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
219 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
220 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
221 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
223 * tree-ssa-structalias.h (alias_info): Remove num_references.
225 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
227 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
228 (output_bvb patterns): Likewise.
229 * pa.c (output_bb): Use 'bb' insn for long branch case.
230 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
231 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
232 1. Correct length operand for alternatives 1 and 2.
233 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
234 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
236 2006-04-14 Roger Sayle <roger@eyesopen.com>
238 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
239 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
240 were accidentally reverted by r112959.
242 2006-04-15 Jakub Jelinek <jakub@redhat.com>
245 * except.h (eh_region_outermost): New prototype.
246 * except.c (eh_region_outermost): New function.
247 * tree-cfg.c (find_outermost_region_in_block): Use it.
249 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
251 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
253 * reload1.c (reg_equiv_memory_loc_varray): Rename to
254 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
255 (init_reload, reload): Use VEC instead of VARRAY.
256 * reload.h: Update the prototype for
257 reg_equiv_memory_loc_varray.
259 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
260 Eric Botcazou <ebotcazou@libertysurf.fr>
262 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
265 2005-04-13 Uros Bizjak <uros@kss-loka.si>
268 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
269 to expand fallback builtin function call.
271 2006-04-14 Alan Modra <amodra@bigpond.net.au>
274 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
275 and emit libcall here in case the builtin fails.
276 (expand_builtin_strcmp): Always emit the libcall here on failure.
278 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
280 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
281 * flow.c (reg_n_info): Change the type to
282 VEC(reg_info_p,heap) *.
283 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
285 * regs.h (reg_info_p): New.
286 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
287 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
288 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
291 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
293 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
295 * params.h (MAX_SCHED_READY_INSNS): New macro.
296 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
297 past MAX_SCHED_READY_INSNS during the first scheduling pass.
298 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
299 the ready list for 1 cycle during the first scheduling pass.
300 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
302 2006-04-13 Richard Henderson <rth@redhat.com>
305 * gimple-low.c (lower_omp_directive): Remove dead code.
306 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
307 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
308 * omp-low.c (struct omp_region): Move to tree-flow.h.
309 (root_omp_region): Export.
310 (omp_regions, lookup_omp_region): Remove.
311 (determine_parallel_type): Update for struct omp_region changes.
312 (dump_omp_region): Dump regions with block numbers.
313 (new_omp_region): Take type and block instead of stmt; malloc
315 (free_omp_region_1, free_omp_regions): New.
316 (expand_parallel_call): Take entry_stmt as argument; update for
317 changes to omp_region.
318 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
319 (remove_exit_barriers): New.
320 (expand_omp_parallel): Update for struct omp_region changes.
321 (expand_omp_synch): Likewise.
322 (expand_omp): Likewise.
323 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
324 (expand_omp_for_static_chunk): Likewise.
325 (expand_omp_for): Likewise.
326 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
327 (expand_omp_sections): Similarly, with GOMP_sections_end.
328 (expand_omp_single): New.
329 (build_omp_regions_1): Update for OMP_CONTINUE.
330 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
331 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
332 OMP_SECTIONS_SECTIONS.
333 (lower_omp_single_simple): Don't emit barrier here.
334 (lower_omp_single_copy): Likewise.
335 (lower_omp_single): Fix bindings, and lower to straightline now.
336 (lower_omp_master, lower_omp_ordered): Likewise.
337 (lower_omp_critical): Likewise.
338 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
339 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
340 omp edges, free it afterward.
341 (make_omp_sections_edges): Remove.
342 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
343 (move_stmt_r): Handle OMP_CONTINUE.
344 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
345 statement pointers to basic blocks. Add type member.
346 (root_omp_region, new_omp_region, free_omp_regions): Declare.
347 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
348 * tree-inline.c (estimate_num_insns_1): Likewise.
349 * tree-pretty-print.c (dump_generic_node): Likewise.
350 * tree-ssa-operands.c (get_expr_operands): Likewise.
351 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
352 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
354 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
355 (OMP_SECTIONS_SECTIONS): Remove.
356 (OMP_SECTION_LAST): New.
357 (OMP_RETURN_NOWAIT): New.
359 2006-04-13 Roger Sayle <roger@eyesopen.com>
361 * fold-const.c (native_encode_vector, native_interpret_real):
362 Correct obvious mistakes in the previous check-in.
364 2006-04-13 Roger Sayle <roger@eyesopen.com>
366 * fold-const.c (native_encode_expr): New function to encode
367 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
368 or VECTOR_CST into a specified buffer.
369 (native_encode_int): New function.
370 (native_encode_real): New function.
371 (native_encode_complex): New function.
372 (native_encode_vector): New function.
373 (native_interpret_expr): Inverse of native_encode_expr to convert
374 a target representation into an INTEGER_CST, REAL_CST etc...
375 (native_interpret_int): New function.
376 (native_interpret_real): New function.
377 (native_interpret_complex): New function.
378 (native_interpret_vector): New function.
379 (fold_view_convert_expr): New function to constant fold/evaluate
380 a VIEW_CONVERT_EXPR of a suitable constant expression.
381 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
382 Change call of build1 to fold_build1 when constructing a
385 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
386 Ulrich Weigand <uweigand@de.ibm.com>
389 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
392 2006-04-13 Alan Modra <amodra@bigpond.net.au>
395 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
396 optimize to lo_sum for DFmode if !TARGET_FPRS.
398 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
400 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
401 delete_alias_info, compute_flow_sensitive_aliasing,
402 group_aliases): Use VEC instead of VARRAY.
403 * tree-ssa-structalias.c (update_alias_info): Likewise.
404 * tree-ssa-structalias.h (alias_info): Change the type of
405 processed_ptrs to VEC(tree,heap) *.
407 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
410 * config/sh/lib1funcs.h: New file, broken out of:
411 * config/sh/lib1funcs.asm.
412 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
414 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
415 * config/sh/lib1funcs-Os-4-200.asm: New file.
416 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
417 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
418 (EXTRA_MULTILIB_PARTS): Include it.
419 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
420 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
421 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
422 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
425 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
427 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
428 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
429 tpa_compact, root_var_init, type_var_init): Use VEC instead of
431 * tree-ssa-live.h: Include vecprim.h.
432 (tree_partition_associator_d): Change the type of
433 first_partition to VEC(int,heap) *.
434 (tpa_first_partition): Use VEC instead of VARRAY.
436 * Makefile.in (GTFILES): Move functions.h after tree.h.
437 * function.c (reset_block_changes, record_block_change,
438 check_block_change, free_block_changes): Use VEC instead of
440 * function.h (function): Change the type of
441 ib_boundaries_block to VEC(tree,gc) *.
442 * tree-inline.c (copy_cfg_body): Initialize
443 ib_boundaries_block to NULL instead of (varray_type) 0.
445 2006-04-12 Roger Sayle <roger@eyesopen.com>
447 * expr.c (emit_group_store): Correct operand order in call to
448 subreg_lowpart_offset. Always create paradoxical SUBREGs with
449 a SUBREG_BYTE of zero.
451 2006-04-12 Richard Guenther <rguenther@suse.de>
453 * profile.c (compute_branch_probabilities): Remove code
454 encapsulated in !ir_type (), which are remanents of the
455 removed RTL profiling code.
456 * rtl-profile.c: Remove.
458 2006-04-12 Alan Modra <amodra@bigpond.net.au>
460 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
461 magic NULL_RTX comment.
462 (function_arg): Store entire fp arg to mem if any part should go
464 (rs6000_arg_partial_bytes): Adjust for above change.
466 2006-04-11 Roger Sayle <roger@eyesopen.com>
468 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
469 if it hasn't been initialized by dwarf2out_init.
471 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
473 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
474 symbolic constants in branch patterns.
476 2006-04-11 Roger Sayle <roger@eyesopen.com>
478 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
480 2006-04-11 Richard Sandiford <richard@codesourcery.com>
482 PR rtl-optimization/27073
483 * gcse.c (try_replace_reg): Revert last change. Continue to search
484 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
487 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
489 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
490 aggregate types other than record and union types.
491 (function_arg): Likewise.
492 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
494 (function_value): In 64-bit mode, return objects that require it
497 2006-04-11 Roger Sayle <roger@eyesopen.com>
499 * dwarf2out.c (premark_used_types): Remove problematic prototype.
501 2006-04-11 Jakub Jelinek <jakub@redhat.com>
503 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
505 2006-04-03 Jeff Law <law@redhat.com>
508 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
509 alias information too.
511 2006-04-10 Mike Frysinger <vapier@gentoo.org>
513 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
515 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
518 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
519 (premark_used_types_helper): New.
520 (premark_used_types): New.
521 (gen_subprogram_die): Call premark_used_types.
522 (prune_unused_types_walk): Do not prune perennial dies.
523 * function.c (used_types_insert): New.
524 * function.h (struct function): Add used_types_hash field.
525 (used_types_insert): Add prototype.
526 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
527 * c-parser.c (c_parser_cast_expression): Save casted types in used
530 2006-04-11 Mark Mitchell <mark@codesourcery.com>
533 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
534 rs6000_explicit_options.float_gprs.
536 2006-04-10 Roger Sayle <roger@eyesopen.com>
538 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
539 from ix86_expand_vector_init_low_nonzero. Take an additional
540 one_var argument indicating which element is non-zero. Support
541 one_var != 0 for V4SFmode and V4SImode by permuting the result.
542 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
543 with one_var instead of ix86_expand_vector_init_low_nonzero.
545 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
547 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
548 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
549 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
550 build/genextract.o): Depend on vecprim.h.
551 * cfglayout.c, df-problems.c, function.c, genextract.c,
552 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
553 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
557 2006-04-10 Geoffrey Keating <geoffk@apple.com>
559 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
560 Declare VECs of this type.
561 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
562 (remove_children): Delete.
563 (add_dwarf_attr): Use VEC routines.
564 (add_AT_flag): Update for changes to add_dwarf_attr.
565 (add_AT_int): Likewise.
566 (add_AT_unsigned): Likewise.
567 (add_AT_long_long): Likewise.
568 (add_AT_vec): Likewise.
569 (add_AT_string): Likewise.
570 (add_AT_die_ref): Likewise.
571 (add_AT_fde_ref): Likewise.
572 (add_AT_loc): Likewise.
573 (add_AT_loc_list): Likewise.
574 (add_AT_addr): Likewise.
575 (add_AT_lbl_id): Likewise.
576 (add_AT_lineptr): Likewise.
577 (add_AT_macptr): Likewise.
578 (add_AT_offset): Likewise.
579 (add_AT_range_list): Likewise.
580 (get_AT): Use VEC_iterate.
581 (remove_AT): Use VEC_ordered_remove.
582 (free_die): Fold remove_children into here; have it use VEC_iterate.
583 (print_die): Use VEC_iterate on attrs.
584 (reverse_die_lists): Don't reverse attr lists.
585 (die_checksum): Use VEC_iterate on attrs.
586 (same_die_p): Likewise.
587 (output_location_lists): Likewise.
588 (build_abbrev_table): Likewise.
589 (size_of_die): Likewise.
590 (unmark_all_dies): Likewise.
591 (output_abbrev_section): Likewise.
592 (output_die): Likewise.
593 (prune_unused_types_walk_attribs): Likewise.
595 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
597 * doc/install.texi (*-*-solaris2*): Point to the configure page.
599 2006-04-10 Jakub Jelinek <jakub@redhat.com>
602 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
604 2006-04-09 Roger Sayle <roger@eyesopen.com>
606 * expr.c (store_constructor): Don't bother clearing target if
607 we're about to assign a vector to it using vec_init_optab.
609 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
611 * tree-ssa-alias.c (lhs_may_store_to): New function.
612 (recalculate_used_alone): Handle LHS of calls.
614 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
618 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
619 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
620 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
621 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
622 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
623 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
624 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
625 stubs. Add ".align 8" directives before all ".dword" directives.
626 (GTHREAD_USE_WEAK): Revise comment.
627 (TARGET_ATTRIBUTE_WEAK): Define.
628 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
629 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
630 * stublib.c: New file.
635 * pa.md (cbranch patterns): Revise arguments used in calls to
636 output_cbranch, output_bb and output_bvd. Add long branch length
638 (fbranch patterns): Handle long branches.
639 (jump): Revise length check. Revise arguments for output_lbranch call.
640 Add long branch length attributes.
641 (decrement_and_branch_until_zero): Add long branch length attributes.
642 (output_movb, output_parallel_addb and output_parallel_movb patterns):
643 Likewise. Revise arguments for output_parallel_addb and
644 output_parallel_movb calls.
645 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
646 output_parallel_movb and output_parallel_addb): Update prototypes.
647 * pa.c (output_cbranch): Revise arguments. Correct handling of
648 nullification in long branches.
649 (output_lbranch): Add new argument to control extraction of delay
651 (output_bb): Handle long branches.
652 (output_bvb, output_dbra, output_movb, output_parallel_movb,
653 output_parallel_addb): Likewise.
655 2006-04-09 Richard Sandiford <richard@codesourcery.com>
657 PR rtl-optimization/27073
658 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
661 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
663 * tree.h (tree_memory_tag): Add old_used_alone.
664 (SMT_OLD_USED_ALONE): New macro.
665 * tree-ssa-alias.c (recalculate_used_alone): Stop
666 marking things for renaming unnecessarily.
668 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
670 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
671 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
672 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
673 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
674 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
675 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
676 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
677 spelling convensions.
678 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
679 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
680 typos. Follow spelling conventions.
682 2006-04-07 DJ Delorie <dj@redhat.com>
684 * config/m32c/m32c.c (m32c_function_arg): Structures are always
686 (m32c_init_cumulative_args): When a function returns a structure,
687 always pass the pointer to that return area on the stack.
688 (m32c_function_arg_advance): Don't increment the parameter number
689 if we're processing the returned structure pointer.
690 (pushm_info): Reverse order of registers.
692 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
694 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
695 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
696 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
697 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
699 * tree-chrec.c (chrec_fold_multiply_poly_poly,
700 chrec_fold_multiply): Same.
701 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
702 force_expr_to_var_cost): Same.
703 * tree-mudflap.c (mf_xform_derefs_1): Same.
704 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
706 2006-04-07 David Edelsohn <edelsohn@gnu.org>
708 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
709 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
712 2006-04-07 Jan Hubicka <jh@suse.cz>
714 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
716 2006-04-07 Richard Guenther <rguenther@suse.de>
718 PR tree-optimization/26135
719 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
720 loads for store copy-prop.
721 (copy_prop_visit_stmt): Likewise.
723 2006-04-05 Robert Millan <robertmh@gnu.org>
725 * gcc/config/i386/linux.h: Add a comment to mark macros that are
726 being overriden in config/k*bsd-gnu.h.
727 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
729 * gcc/config/knetbsd-gnu.h: Ditto.
731 2006-04-06 Jan Hubicka <jh@suse.cz>
735 * coverage.c (coverage_checksum_string): Reorganize loop to not read
738 2006-04-06 Mike Stump <mrs@apple.com>
740 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
741 for HAVE_nonlocal_goto to be consistent.
742 (expand_builtin_nonlocal_goto): Likewise.
743 (expand_builtin_strcmp): Use #ifdef instead of #if
744 for HAVE_cmpstrnsi to be consistent.
746 2006-04-05 DJ Delorie <dj@redhat.com>
748 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
751 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
753 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
754 got-relative addressing for anything but SImode.
756 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
757 even if the calling function doesn't modify them.
759 2006-04-05 Richard Guenther <rguenther@suse.de>
761 PR tree-optimization/26919
762 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
763 to cgraph_estimate_size_after_inlining.
765 2006-04-05 Alan Modra <amodra@bigpond.net.au>
767 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
769 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
771 PR tree-optimization/26996
772 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
773 VECTOR_TYPE variables.
775 2006-04-05 Richard Guenther <rguenther@suse.de>
777 PR tree-optimization/26763
778 * fold-const.c (fold_comparison): Move folding of
779 PTR + CST CMP PTR + CST ...
780 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
782 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
784 * doc/install.texi (Prerequisites): Refine some wording on
785 bootstrapping and ksh.
786 Move the version numbers of DejaGnu here from the testing section
787 and fix casing of names.
788 Fix markup and clarify wording for autogen requirements.
789 Refer to GCJ instead of just java.
790 Refer to SVN instead of CVS.
791 Describe diffutils as useful instead of necessary.
792 (Downloading the source): Refer to SVN instead of CVS.
793 Adjust a link to our web site accordingly.
794 (Configuration): Fix casing of Bison.
795 (Building): Refer to SVN instead of CVS.
796 Fix a sentence on the use of Bison and remove duplicate (and
797 incorrect) version number of Bison requirement.
798 Remove one redundant list of packages needed for building.
799 (Specific): Avoid reference to CVS.
801 2006-04-04 Eric Christopher <echristo@apple.com>
803 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
804 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
805 (rs6000_handle_struct_attribute): New.
806 (rs6000_ms_bitfield_layout_p): Ditto.
808 2006-04-04 Geoffrey Keating <geoffk@apple.com>
810 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
811 NULL for dso parameter to atexit_common.
813 2006-04-04 Eric Christopher <echristo@apple.com>
815 * config/i386/i386.c (machopic_output_stub): Output \t
816 between instructions and operands.
818 2006-04-04 David Edelsohn <edelsohn@gnu.org>
820 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
821 satisfies_constraint_[IL] to explicit tests on value.
823 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
825 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
826 set_nb_iterations_in_loop): Use build_int_cst instead of
828 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
829 build_int_cst instead of convert.
831 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
833 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
834 new value 2 for incoming.
835 * function.c (expand_function_start): Call struct_value_rtx
837 * config/sparc/sparc.md: Comment updated_return.
838 * config/sparc/sparc.opt: Add -mstd-struct-return option.
839 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
840 struct return if sparc_std_struct_return and incoming is 2.
841 (print_operand): Do not adjust return if
842 sparc_std_struct_return.
844 2006-04-04 Roger Sayle <roger@eyesopen.com>
846 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
847 convert in the middle-end.
848 * expr.c (store_expr, store_constructor, get_inner_reference,
849 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
851 * tree.c (build_range_type): Likewise.
853 2006-04-04 Tom Tromey <tromey@redhat.com>
855 * doc/install.texi (Prerequisites): Mention jar.
857 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
859 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
862 2006-04-04 Matthias Klose <doko@debian.org>
864 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
866 2006-04-03 Geoffrey Keating <geoffk@apple.com>
868 * doc/extend.texi (Function Attributes): Rewrite visibility
869 attribute documentation.
870 * doc/invoke.texi (C++ Dialect Options): Rewrite
871 -fvisibility-inlines-hidden documentation to describe something
872 entirely different, although in practise compatible.
873 (Code Gen Options): Warn about system headers in -fvisibiltity=
876 * doc/extend.texi (Other Builtins): Document that
877 __builtin_nan is a compile-time constant only when its argument
880 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
882 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
883 trying to remove TRUNCATE check if all bits outside the new mode
884 are identical to the sign bit.
886 2006-04-03 Jeff Law <law@redhat.com>
888 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
889 and operand scanning in some common cases.
891 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
892 Dale Johannesen <dalej@apple.com>
895 * regclass.c (struct reg_pref): Update documentation.
896 (regclass): Set prefclass to NO_REGS if memory is the best option.
897 (record_reg_classes): Cope with a prefclass set to NO_REGS.
898 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
899 into account. For non-registers, equate an empty preferred
900 reload class to a `!' in the constraint; move the if clause to
901 do so after those that reject the insn.
902 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
904 (find_dummy_reload): Likewise.
905 * doc/tm.texi (Register Classes): Document what it means
906 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
907 * config/i386/i386.c (ix86_preferred_reload_class): Force
908 using SSE registers (and return NO_REGS for floating-point
909 constants) if math is done with SSE.
910 (ix86_preferred_output_reload_class): New.
911 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
912 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
913 * config/i386/i386.md: Remove # register preferences.
915 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
918 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
919 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
921 (instantiate_parameters_1): Convert the operands before calling
922 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
923 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
925 2006-04-02 Roger Sayle <roger@eyesopen.com>
927 * builtins.c (dummy_object): Use build_int_cst instead of convert.
928 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
930 * dojump.c (do_jump): Likewise.
931 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
932 * gimplify.c (gimple_boolify, gimplify_init_constructor,
933 gimplify_boolean_expr): Likewise.
934 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
935 * varasm.c (array_size_for_constructor): Likewise.
936 * tree-object-size.c (compute_object_offset): Likewise.
938 2006-04-02 Roger Sayle <roger@eyesopen.com>
941 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
942 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
944 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
946 PR tree-optimization/26939
947 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
949 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
951 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
952 at_stmt. Convert the type of operands before calling
953 build_polynomial_chrec.
954 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
956 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
957 (instantiate_parameters_1): Convert the type of operands before calling
958 build_polynomial_chrec.
959 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
960 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
961 reset_evolution_in_loop): Insert asserts to check the types of the
963 (chrec_type): Moved...
964 (eq_evolutions_p): Use operand_equal_p.
965 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
966 the types of the operands.
967 (chrec_type): ...here.
968 * tree-data-ref.c (create_data_ref): Convert the operands before
969 calling chrec_replace_initial_condition.
970 (same_access_functions, analyze_subscript_affine_affine,
971 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
972 (compute_subscript_distance, analyze_ziv_subscript,
973 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
974 analyze_miv_subscript): Convert the operands before calling
975 chrec_fold_minus or chrec_fold_plus.
977 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
979 * tree-data-ref.c (compute_all_dependences): Use a pointer to
980 the dependence_relations vector.
981 (compute_data_dependences_for_loop): Adjust call to
982 compute_all_dependences.
984 2006-04-01 Roger Sayle <roger@eyesopen.com>
985 Richard Henderson <rth@redhat.com>
987 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
988 gimple_boolify on the condition before calling gimplify_expr.
990 2006-03-31 Bob Wilson <bob.wilson@acm.org>
992 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
993 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
994 the frame size. Update to use the new macros.
995 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
996 * config/xtensa/ieee754-df.S: Likewise.
998 2006-03-31 Richard Henderson <rth@redhat.com>
1000 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1001 (make_edges): ... here. Control fallthru creation with a local
1002 variable. Do not play with fake edges.
1003 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1004 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1007 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1009 * dwarf2.h (DW64_CIE_ID): Define.
1010 * dwarf2out.c (DWARF_CIE_ID): Define.
1011 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1012 length header. Use DWARF_CIE_ID.
1013 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1014 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1016 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1018 * config/sh/linux-atomic.asm: New file.
1019 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1021 2006-03-31 DJ Delorie <dj@redhat.com>
1023 * config/m32c/cond.md: Set condition flags properly throughout.
1024 * config/m32c/minmax.md: Likewise.
1025 * config/m32c/prologue.md: Likewise.
1026 * config/m32c/bitops.md: Likewise.
1027 * config/m32c/muldiv.md: Likewise.
1028 * config/m32c/mov.md: Likewise.
1029 * config/m32c/addsub.md: Likewise.
1030 * config/m32c/m32c.md: Likewise.
1031 * config/m32c/jump.md: Likewise.
1032 * config/m32c/shift.md: Likewise.
1034 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1035 conditionally output the pattern for this.
1036 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1037 (m32c_compare_redundant): New.
1038 (m32c_output_compare): New.
1039 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1041 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1042 dest, not src. Allow other 4-byte modes.
1044 2006-03-30 Denis Chertykov <denisc@overta.ru>
1046 * doc/md.texi: Refer to avr/constraints.md instead of
1049 2006-03-30 Roger Sayle <roger@eyesopen.com>
1051 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1052 signed vs. unsigned comparison failures on some hosts.
1054 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1057 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1058 change to FLOAT_REGS.
1060 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1061 (rs6000_override_options): Use it.
1062 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1063 only for -mabi=spe/no-spe and -mabi=altivec.
1065 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1067 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1070 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1072 * Makefile.in: Rename docdir to gcc_docdir.
1074 2006-03-30 Roger Sayle <roger@eyesopen.com>
1077 * expr.c (emit_group_store): Optimize group stores into a pseudo
1078 register by using a paradoxical subreg to initialize the destination
1079 if the first or last member of the group specifies a "low part".
1081 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1084 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1085 * target.h (struct gcc_target.speculate_insn): Change type of the
1086 second parameter to 'int'.
1087 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1088 the second operand of the DEPS_LIST.
1089 (copy_DEPS_LIST_list): Update reference to the second operand of the
1091 * rtl.h (alloc_DEPS_LIST): Update signature.
1092 * sched-int.h (ds_t): Change typedef to 'int'.
1093 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1095 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1097 * haifa-sched.c (try_ready): Change condition to restore
1098 non-speculative pattern of the instruction.
1099 (process_insn_depend_be_in_spec): Code to keep probability of the
1100 speculative dependence non-decreasing.
1102 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1104 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1105 (single_move_for_movmem): ... this. Also change all uses.
1106 (bfin_expand_strmov): Renamed to...
1107 (bfin_expand_movmem): ... this. Also change all uses.
1108 * config/bfin/bfin.md (movstrsi): Renamed to...
1109 (movstrsi): ...this.
1111 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1113 PR tree-optimization/26830
1115 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1116 (copy_prop_visit_stmt): Remove write-only variable ann.
1117 (init_copy_prop): Check variable loop depth here. Do not simulate
1118 memory-tag and virtual operand PHIs except for store copy prop.
1120 2006-03-30 Richard Guenther <rguenther@suse.de>
1122 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1123 variants with double arguments.
1125 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1127 * genpreds.c (write_tm_constrs_h): Delete variable p.
1128 * genconditions.c (write_header): Add tm-constrs.h to included
1130 * genpeep.c (main): Add toplev.h to included headers.
1131 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1132 (build/genpeep.o): Add toplev.h dependency.
1133 * config/rs6000/constraints.md: Add "W" constraint.
1135 2006-03-29 Roger Sayle <roger@eyesopen.com>
1137 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1138 sizes by correctly testing whether the size fits a host integer.
1139 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1140 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1141 SImode range for the default sizetype and bitsizetype.
1143 2006-03-29 Roger Sayle <roger@eyesopen.com>
1145 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1146 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1147 quickly if the argument is already of the correct type.
1148 Call fold_build1 instead of build1. Tidy up blank lines.
1150 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1152 * genemit.c (main): Add tm-constrs.h to included headers.
1153 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1154 * genpeep.c (main): Add tm-constrs.h to included headers.
1155 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1156 (write_tm_constrs_h): this and write complete file.
1157 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1158 (write_insn_preds_c): Add tm-constrs.h to included headers.
1159 (gen_constrs): New variable.
1160 (parse_option): Parse "-c".
1161 (main): Invoke write_tm_constrs_h.
1162 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1163 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1164 (object_out_file): Add tm-constrs.h dependency.
1165 (insn-emit.o): Same.
1166 (insn-output.o): Same.
1167 (insn-peep.o): Same.
1168 (insn-preds.o): Same.
1169 (insn-recog.o): Same.
1170 (tm-constsr.h): New target.
1171 (s-constrs-h): New target.
1173 * config/rs6000/constraints.md: New file.
1174 * config/rs6000/rs6000.c: Include tm-constrs.h.
1175 (num_insn_constant_wide): Convert to satisfies_constraint.
1176 (rs6000_rtx_costs): Convert to satisfies_constraint.
1177 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1178 (CONST_OK_FOR_LETTER_P): Delete.
1179 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1180 (EXTRA_CONSTRAINT): Delete.
1181 (EXTRA_MEMORY_CONSTRAINT): Delete.
1182 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1183 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1184 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1185 satisfies_constraint.
1187 * config/i386/i386.c: Include tm-constrs.h.
1189 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1191 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1192 * tree-data-ref.c (find_data_references_in_loop,
1193 compute_data_dependences_for_loop): Use pointers to VEC.
1194 (analyze_all_data_dependences): Adjust calls.
1195 * tree-data-ref.h (find_data_references_in_loop,
1196 compute_data_dependences_for_loop): Adjust declarations.
1197 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1198 compute_data_dependences_for_loop.
1200 2006-03-29 Paul Brook <paul@codesourcery.com>
1202 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1205 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1207 PR tree-optimization/26859
1208 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1210 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1211 for the step after fold_convert.
1213 2006-03-29 Paul Brook <paul@codesourcery.com>
1215 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1216 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1218 2006-03-29 Paul Brook <paul@codesourcery.com>
1221 * targhooks.c (default_narrow_bitfield): New fuction.
1222 * targhooks.h (default_narrow_bitfield): add prototype.
1223 * target.h (gcc_target): Add narrow_volatile_bitfield.
1224 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1225 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1226 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1227 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1229 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1231 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1233 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1234 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1235 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1236 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1237 (s390_function_arg_float): Allow SDmode and DDmode values to be
1238 passed in floating point registers.
1239 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1240 check with SCALAR_FLOAT_MODE_P.
1241 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1243 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1245 PR tree-optimization/25985
1246 * tree-ssa-loop-niter.c (number_of_iterations_le,
1247 number_of_iterations_ne): Make comments more precise.
1248 (number_of_iterations_cond): Add only_exit argument. Use the
1249 fact that signed variables do not overflow only when only_exit
1251 (loop_only_exit_p): New.
1252 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1253 number_of_iterations_cond.
1255 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1257 PR tree-optimization/26643
1258 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1261 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1263 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1264 (divsi3_i4_int): Likewise.
1266 2006-03-28 Roger Sayle <roger@eyesopen.com>
1268 * expr.c (emit_group_store): Only create a new pseudo reg if the
1269 quantity it needs to hold isn't already a suitable pseudo.
1271 2006-03-28 Jeff Law <law@redhat.com>
1273 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1274 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1276 2006-03-28 Roger Sayle <roger@eyesopen.com>
1278 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1279 the equivalent ~X & Y, and the symmetry related transformations.
1280 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1281 ~X & Y, and symmetry related transforms.
1283 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1285 Revert my 2006-03-27 patches.
1287 2006-03-28 Roger Sayle <roger@eyesopen.com>
1289 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1290 ~(T1)X, when T1 and T2 are integer types of the same precision
1291 and (T2)X isn't an extension.
1293 2006-03-28 Jeff Law <law@redhat.com>
1295 PR tree-optimization/26796
1296 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1297 need EH edge cleanups rather than purging them immediately.
1298 (eliminate_degenerate_phis): Handle queued EH cleanups.
1300 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1302 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1305 2006-03-27 Roger Sayle <roger@eyesopen.com>
1308 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1309 cast BIT_NOT_EXPR operand to the correct type.
1311 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1313 * tree-loop-linear.c: Don't include varray.h.
1314 (gather_interchange_stats, try_interchange_loops,
1315 linear_transform_loops): Use VEC instead of VARRAY.
1316 * lambda-mat.c: Don't include varray.h.
1317 * tree-chrec.c: Same.
1318 * lambda-trans.c: Same.
1319 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1320 VEC instead of VARRAY.
1321 * tree-vectorizer.h: Idem.
1322 * tree-data-ref.c (dump_data_references,
1323 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1324 initialize_data_dependence_relation, finalize_ddr_dependent,
1325 compute_all_dependences, find_data_references_in_loop,
1326 compute_data_dependences_for_loop, analyze_all_data_dependences,
1327 free_dependence_relation, free_dependence_relations,
1328 free_data_refs): Idem.
1329 * tree-data-ref.h (data_reference_p, subscript_p): New.
1330 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1331 VEC instead of VARRAY.
1332 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1333 (find_data_references_in_loop, compute_data_dependences_for_loop,
1334 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1335 dump_data_dependence_relations, free_dependence_relations,
1336 free_data_refs): Adjust declaration.
1337 (lambda_transform_legal_p): Move declaration here...
1338 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1339 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1340 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1341 vect_analyze_data_refs): Use VEC instead of VARRAY.
1342 * lambda.h (lambda_transform_legal_p): ...from here.
1343 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1344 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1345 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1346 tree-chrec.o): Don't depend on VARRAY_H.
1348 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1350 * rtl.def (Copyright): Update date.
1351 (DEPS_LIST): Change type of the second operand to 'int'.
1352 * target.h (Copyright): Update date.
1353 (struct gcc_target.speculate_insn): Change type of the second parameter
1355 * lists.c (Copyright): Update date.
1356 (alloc_DEPS_LIST): Change signature. Update reference to the second
1357 operand of the DEPS_LIST.
1358 (copy_DEPS_LIST_list): Update reference to the second operand of the
1360 * rtl.h (Copyright): Update date.
1361 (alloc_DEPS_LIST): Update signature.
1362 * sched-int.h (Copyright): Update date.
1363 (ds_t): Change typedef to 'int'.
1364 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1366 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1368 * haifa-sched.c (Copyright): Update date.
1369 (try_ready): Change condition to restore non-speculative pattern
1371 (process_insn_depend_be_in_spec): Code to keep probability of the
1372 speculative dependence non-decreasing.
1374 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1376 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1377 shut up the compiler.
1379 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1381 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1382 to use lib prefix for target.
1383 ($(T)libic_invalidate_array_4-200.a): Likewise.
1384 ($(T)libic_invalidate_array_4a.a): Likewise.
1386 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1387 J"orn Rennecke <joern.rennecke@st.com>
1389 * superh.opt: New file.
1390 * sh.c (boardtype, osruntime): Remove.
1391 * superh.h (SUBTARGET_OPTIONS): Remove.
1392 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1394 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1395 arguments with ^ and/or [].
1397 * config.gcc (sh-*-*): Add quoting to account for quirk of
1399 Replace == with = in enable_incomplete_targets test.
1401 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1402 with MASK_LITTLE_ENDIAN.
1404 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1405 * config/sh/sh.opt: Added to some comments.
1406 * config/sh/superh.h: Removed some chaff.
1408 * config/sh/sh.opt: Add m4-[1234]00* options.
1409 * config/sh/sh.c (sh_handle_option): Likewise.
1410 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1411 (ic_invalidate_array_4-100.o): New rule.
1412 ($(T)libic_invalidate_array_4-100.a): Likewise.
1413 (ic_invalidate_array_4-200.o): Likewise.
1414 ($(T)libic_invalidate_array_4-200.a): Likewise.
1415 (ic_invalidate_array_4a.o): Likewise.
1416 ($(T)libic_invalidate_array_4a.a): Likewise.
1417 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1418 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1420 * config/sh/crt1.asm: Merged in profiling code.
1421 * config/sh/superh.h (STARTFILE_SPEC): Override.
1422 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1423 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1424 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1426 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1427 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1428 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1430 * sh.opt (mpretend-cmove): New option.
1431 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1432 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1433 (movsicc): Add TARGET_PRETEND_CMOVE code.
1435 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1437 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1438 s390_class_max_nregs): New function prototypes.
1439 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1440 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1441 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1442 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1444 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1446 * dwarf2out.c (add_location_or_const_value_attribute): Call
1447 tree_add_const_value_attribute if nothing else works.
1448 (reference_to_unused): New.
1449 (rtl_for_decl_init): Use reference_to_unused to decide whether
1450 to output an initializer.
1452 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1455 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1456 peephole removing spe frob_di_df_2.
1458 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1460 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1461 (subscript_dependence_tester_1): Declared.
1462 (print_dir_vectors, print_dist_vectors): New.
1463 (debug_data_dependence_relation): New.
1464 (dump_data_dependence_relation): Print more details.
1465 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1466 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1467 (save_dist_v, save_dir_v, add_outer_distances,
1468 build_classic_dist_vector_1): New.
1469 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1470 Don't test for lambda_vector_lexico_pos.
1471 (same_access_functions, add_multivariate_self_dist,
1472 add_other_self_distances, dir_from_dist): New.
1473 (build_classic_dir_vector): Replace implementation almost identical to
1474 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1476 (subscript_dependence_tester_1): New.
1477 (subscript_dependence_tester): Handle the lexicographically negative
1478 distance vectors by recomputing the dependence relation.
1479 (compute_affine_dependence): Remove parameter loop_nest_depth.
1480 (compute_self_dependence): Don't call compute_subscript_distance.
1481 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1482 Add a parameter for the loop_nest.
1483 (find_loop_nest_1, find_loop_nest): New.
1484 (compute_data_dependences_for_loop): Compute the loop nest, and give
1485 up if the nest is not well formed.
1486 * tree-data-ref.h (loop_p): New.
1487 (struct data_dependence_relation): Replace size_vect field with
1488 loop_nest, a vec of loops.
1489 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1490 (DDR_LOOP_NEST): New.
1491 (print_dir_vectors, print_dist_vectors,
1492 debug_data_dependence_relation): Declared.
1493 (index_in_loop_nest): New.
1494 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1495 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1498 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1500 * simplify-rtx.c (simplify_relational_operation): Call
1501 simplify_relational_operation_1 even if mode is VOIDmode.
1503 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1505 PR tree-optimization/26804
1506 * tree.h (DECL_CALL_CLOBBERED): New macro.
1507 (tree_decl_common): Add call_clobbered_flag.
1508 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1509 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1510 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1511 (mark_non_addressable): Ditto.
1512 * tree-ssa.c (verify_call_clobbered): New function.
1513 (verify_alias_info): Use it.
1514 * tree-pass.h (pass_reset_cc_flags): New prototype.
1515 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1516 (reset_cc_flags): New function.
1517 * passes.c (init_optimization_passes): Call reset_cc_flags after
1518 initializing referenced_vars.
1520 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1521 Roger Sayle <roger@eyesopen.com>
1524 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1525 to 1.0 for non-real operands. Implement A / A optimization for
1528 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1530 * config/i386/i386.c (size_cost): Correct the comment for
1531 cost of storing fp registers.
1532 (i386_cost): Likewise.
1533 (i486_cost): Likewise.
1534 (pentium_cost): Likewise.
1535 (pentiumpro_cost): Likewise.
1536 (k6_cost): Likewise.
1537 (athlon_cost): Likewise.
1538 (k8_cost): Likewise.
1539 (pentium4_cost): Likewise.
1540 (nocona_cost): Likewise.
1541 (generic64_cost): Likewise.
1542 (generic32_cost): Likewise.
1544 2006-03-24 Denis Chertykov <denisc@overta.ru>
1546 * config/avr/avr-protos.h (extra_constraint): Delete.
1547 (extra_constraint_Q): New declaration.
1548 * config/avr/constraints.md: New file.
1549 * config/avr/avr.md: Include it.
1550 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1551 (TMP_REGNO, ZERO_REGNO): Likewise.
1552 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1553 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1554 (extra_constraint): Delete.
1555 (extra_constraint_Q): Test for memory constraint 'Q'.
1556 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1557 (REG_CLASS_FROM_LETTER): Delete.
1558 (CONST_OK_FOR_LETTER_P): Delete.
1559 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1560 (EXTRA_CONSTRAINT): Delete.
1561 (TMP_REGNO): Delete.
1562 (ZERO_REGNO): Delete.
1564 2006-03-24 Jeff Law <law@redhat.com>
1566 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1567 directly. Call mark_new_vars_to_rename slightly earlier.
1569 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1571 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1573 (gen_compile_unit_die): Use new language types for Objective-C and
1575 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1576 DW_LANG_C_plus_plus.
1579 * config/t-darwin (crt3.o): Work around bug 26840.
1580 * config/darwin-crt3.c: Rewrite.
1581 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1583 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1585 * doc/invoke.texi: Document -femit-class-debug-always
1586 * common.opt: Add -femit-class-debug-always.
1588 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1590 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1591 index and base register.
1592 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1593 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1594 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1595 REGNO_OK_FOR_INDEX_P.
1596 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1598 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1599 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1600 REG_OK_FOR_BASE_P): Definitions removed.
1602 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1605 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1606 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1607 set yet or weren't marked as local yet.
1609 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1611 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1614 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1616 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1617 (rs6000_legitimate_small_data_p): Delete.
1618 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1619 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1620 and make static. Add forward declaration. Update uses.
1621 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1622 of offsettable_memref_p.
1623 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1624 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1626 2006-03-24 Jeff Law <law@redhat.com>
1628 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1629 around bug in immediate-use iterator.
1631 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1634 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1635 or __LITTLE_ENDIAN__.
1637 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1639 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1640 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1641 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1642 * config/sh/sh.opt (mdiv=): Amend description.
1643 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1644 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1645 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1646 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1647 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1648 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1649 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1650 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1651 TARGET_DIVIDE_CALL_FP.
1653 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1655 * haifa-sched.c (choose_ready): Fix type of the local variable.
1656 Move local variables. Add comment.
1657 (check_reg_live): Change signature. Make callable from debugger.
1658 * sched-int.h (check_reg_live): Update signature.
1659 * sched-ebb.c (check_reg_live): Update parameters.
1660 * sched-rgn.c (check_reg_live): Ditto.
1661 (region_head_or_leaf_p): Check pointer before dereferencing.
1662 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1663 before reload on optimization levels below 1.
1665 2006-03-23 Richard Henderson <rth@redhat.com>
1667 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1671 * config/alpha/predicates.md (local_symbolic_operand): Reject
1674 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1677 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1678 expressions which have overflowed constants.
1680 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1682 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1684 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1686 * cfgloopmanip.c (create_loop_notes): Removed.
1687 * final.c (final_scan_insn): Do not handle loop notes.
1688 * jump.c (squeeze_notes): Ditto.
1689 * cfglayout.c (skip_insns_after_block,
1690 duplicate_insn_chain): Ditto.
1691 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1693 * cfgloop.h (create_loop_notes): Declaration removed.
1695 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1697 * varasm.c (output_constant_pool): Restore fnname and fndecl
1699 (assemble_start_function): Adjust call accordingly.
1700 (assemble_end_function): Likewise.
1702 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1705 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1708 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1710 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1713 * system.h (ICE_EXIT_CODE): New macro.
1714 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1715 (diagnostic_action_after_output): Likewise.
1716 * gcc.c (fatal_ice): New function.
1717 (execute): Use it instead of fatal.
1718 (fancy_abort): Likewise.
1719 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1721 2006-03-22 Jeff Law <law@redhat.com>
1723 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1724 iv_analyze_result returning false.
1726 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1728 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1730 2006-03-22 Richard Henderson <rth@redhat.com>
1733 * except.c (duplicate_eh_regions_0): New.
1734 (duplicate_eh_region_1): Duplicate the children of the node as
1735 well as the node itself. Link them up properly.
1736 (duplicate_eh_region_2): Merge into ...
1737 (duplicate_eh_regions): ... here. Take copy_region argument, and
1738 copy only a sub-tree if asked. Simplify copying and fixup.
1739 (eh_region_outer_p): New.
1740 * except.h (duplicate_eh_regions): Update decl.
1741 (eh_region_outer_p): Declare.
1742 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1743 (lower_omp_master): Likewise.
1744 (lower_omp_ordered): Likewise.
1745 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1746 (move_stmt_r): Use it to remap labels. Handle recursion vs
1747 remap_decls_p properly.
1748 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1749 (find_outermost_region_in_block): New.
1750 (new_label_mapper): New.
1751 (move_sese_region_to_fn): Copy eh information to the new function
1753 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1755 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1758 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1760 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1761 into shared libraries.
1763 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1765 * doc/md.texi: Refer to i386/constraints.md instead of
1767 * config/i386/constraints.md: New file, extracted from...
1768 * config/i386/predicates.md: ...here.
1769 * config/i386/i386.md: Include constraints.md.
1771 2006-03-21 Jason Merrill <jason@redhat.com>
1773 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1776 * expr.c (init_block_move_fn): Force default visibility.
1777 (init_block_clear_fn): Likewise.
1778 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1779 * targhooks.c (default_external_stack_protect_fail): Likewise.
1781 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1783 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1784 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1785 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1786 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1787 (loadgp): Use mips_current_loadgp_style.
1788 (loadgp_noshared): New pattern.
1789 (sibcall_internal): Use MIPS_CALL.
1790 (sibcall_value_internal): Likewise.
1791 (sibcall_value_multiple_internal): Likewise.
1792 (call_internal): Likewise.
1793 (call_value_internal): Likewise.
1794 (call_value_multiple_internal): Likewise.
1795 (call_split): Use MIPS_CALL and add an 'S' constraint.
1796 (call_value_split): Likewise.
1797 (call_value_multiple_split): Likewise.
1798 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1799 (-mshared): New option.
1800 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1801 (mips_current_loadgp_style): Declare.
1802 * config/mips/mips.c (mips_classify_symbol): Avoid using
1803 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1804 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1805 TARGET_ABSOLUTE_ABICALLS.
1806 (override_options): Adjust comments. Improve the warning that is
1807 issued when -mabicalls and -G are used together.
1808 (mips_file_start): Remove comment.
1809 (mips_current_loadgp_style): New function.
1810 (mips_gnu_local_gp): New variable.
1811 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1813 (mips_output_function_prologue): Use mips_current_laodgp_style.
1814 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1815 the cprestore instruction.
1816 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1817 live for TARGET_ABSOLUTE_ABICALLS.
1818 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1819 (ASM_SPEC): Pass down -mshared and -mno-shared.
1820 (MIPS_CALL): New macro.
1821 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1823 * doc/invoke.texi (-mabicalls): Update documentation.
1824 (-mshared): Document.
1826 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1828 * config/ia64/unwind-hpux.c: New file.
1829 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1831 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1834 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1836 2006-03-21 Jeff Law <law@redhat.com>
1838 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1839 type conversions of a VR_VARYING source to a wider type.
1841 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1843 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1844 tm_file on Solaris 10 and later.
1845 (sparc64-*-solaris2*): Likewise.
1846 (sparc-*-solaris2*): Likewise.
1847 * config/sol26.h: Rename to config/sol2-6.h.
1848 * config/sol2-10.h: New file.
1850 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1853 * tree-ssa-pre.c (create_component_ref_by_pieces):
1856 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1859 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1860 return it immediately.
1862 2006-03-21 Michael Matz <matz@suse.de>
1864 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1866 (remove_arc, add_arc): Update num_out_arcs member.
1867 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1869 (cache_presence): New function.
1870 (compare_states_for_equiv): New function.
1871 (state_is_differed): Don't take number of outargs, adjust callers.
1872 Use new invariant for speeding up.
1873 (init_equiv_class): Create initial classes based on sorted
1875 (partition_equiv_class): Don't track out_arcs_num.
1876 (evaluate_equiv_classes): Call cache_presence on all states and
1879 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1881 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1882 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1883 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1884 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1886 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1887 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1888 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1889 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1890 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1892 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1893 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1894 (REGNO_REG_CLASS): ARGP is in PREGS.
1895 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1897 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1898 to deal with those addresses.
1899 * addresses.h: New file.
1900 * caller-save.c: Include "addresses.h".
1901 (init_caller_save): Use new base_reg_class function.
1902 * rtl-factoring.c: Include "addresses.h".
1903 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1904 * recog.c: Include "addresses.h".
1905 (preprocess_constraints): Use new base_reg_class function.
1906 * regrename.c: Include "addresses.h".
1907 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1908 functions. Keep track of a new var INDEX_CODE to compute valid
1910 (replace_oldest_value_addr): Likewise.
1911 (replace_oldest_value_mem): Use base_reg_class.
1912 * reload.c: Include "addresses.h".
1913 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1914 (find_reloads): Use new base_reg_class function.
1915 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1916 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1917 all callers and prototype changed.
1918 * reload1.c: Include "addresses.h".
1919 (maybe_fix_stack_asms): Use base_reg_class.
1920 * regclass.c: Include "addresses.h".
1921 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1922 (init_reg_autoinc): Use new base_reg_class function.
1923 (record_reg_classes): Likewise.
1924 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1925 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1926 Use new args to compute necessary class.
1928 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1929 regrename.o, rtl-factoring.o): Update dependencies.
1930 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1931 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1932 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1933 REG_OK_FOR_INDEX_P): Delete documentation.
1935 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1937 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1938 from V7 to V9 for Solaris 7 and above.
1940 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1942 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1943 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1944 argument pointers may not alias any other storage.
1945 * common.opt: Define option -fargument-noalias-anything.
1946 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1947 alias semantics is specified by flag_argument_noalias > 2.
1949 2006-03-20 Jeff Law <law@redhat.com>
1951 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1952 (pass_phi_only_cprop): Declare.
1953 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1955 * tree-ssa-dom.c (degenerate_phi_result): New function.
1956 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1957 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1958 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1959 (eliminate_degenerate_phis): Likewise.
1960 (pass_phi_only_cprop): New pass descriptor.
1961 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1962 support code. Callers updated.
1963 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1964 (store_copy_prop): Likewise.
1965 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1967 2006-03-20 Jason Merrill <jason@redhat.com>
1970 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1971 (push_visibility, pop_visibility): Likewise.
1972 * c-pragma.h: Declare them.
1974 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1976 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1978 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1979 parameter and use get_ebb_head_tail.
1980 (sh_md_init_global): Adjust uses of find_regmode_weight.
1982 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1984 * function.h (struct function) <x_tail_recursion_reentry>:
1985 Rename to x_stack_check_probe_note.
1986 (tail_recursion_reentry): Rename to stack_check_probe_note.
1987 * function.c: Replace tail_recursion_reentry with
1988 stack_check_probe_note everywhere.
1989 (expand_function_start): Only emit a note for
1990 stack_check_probe_note with -fstack-protect.
1991 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1993 * emit-rtl.c (remove_unnecessary_notes): Remove.
1994 (pass_remove_unnecessary_notes): Remove.
1995 * rtl.h (remove_unnecessary_notes): Remove prototype.
1996 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1997 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1998 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2000 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2003 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2004 (valid_in_set): Handle ARRAY_REF.
2005 Change "if min_variant or VH" to asserts.
2006 (create_component_ref_by_pieces): Handle ARRAY_REF.
2007 (create_expression_by_pieces): Likewise.
2008 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2010 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2012 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2013 is operand of switch, not str[0].
2015 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2017 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2018 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2020 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2022 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2023 end of insn_extra_address_constraint declaration.
2025 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2027 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2028 (no-sum-in-toc): Same.
2029 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2031 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2032 NO_FP_IN_TOC for -fPIC instead of mask.
2034 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2035 (BOOT_LDFLAGS): Delete.
2037 * config/rs6000/t-aix52: Same.
2039 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2040 (stmsi[345678]_power): New.
2042 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2044 * config/ia64/ia64.opt: Add empty line to end of file.
2046 2006-03-17 Richard Guenther <rguenther@suse.de>
2049 * builtins.c (get_pointer_alignment): For component style references
2050 adjust alignment to the component type alignment. Make sure
2051 to adjust alignment for component access of constants.
2053 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2055 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2058 2006-03-17 Paul Brook <paul@codesourcery.com>
2060 * doc/install.texi: Docuemnt --with-mode.
2061 * config.gcc: Add --with-mode for arm*-*-*.
2062 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2064 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2066 * sh.c (max_labelno_before_reorg): New variable.
2067 (sh_reorg): Initialize it.
2068 (find_barrier): Check max_labelno_before_reorg before using
2069 label_to_alignment. Take length of explicit alignment insns
2070 into account. When seeing a UNSPECV_CONST_END, return it.
2072 * sh.c (fixup_mova): Set mode of affected label to QImode.
2073 (untangle_mova): New function.
2074 (find_barrier): Use it. Check mode of label before decrementing
2076 (sh_reorg): Likewise.
2077 Set mode of all insns back to VOIDmode.
2079 * sh.c (MOVA_LABELREF): New macro.
2080 (mova_p, fixup_mova, sh_reorg): Use it.
2081 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2082 ADDR_DIFF_VEC matches mova.
2084 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2086 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2087 with ATTRIBUTE_UNUSED.
2089 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2091 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2092 pointer, instead of assuming it is possible to derive the
2093 correct args size from a call insn.
2095 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2097 * rtl.h (CONST_INT_P): Define.
2098 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2099 instead of GET_CODE(x) == CONST_INT.
2100 (vax_rtx_costs): Likewise.
2101 (vax_output_int_move): Likewise.
2102 (vax_output_int_add): Likewise.
2103 (legitimate_constant_address_p): Likewise.
2104 (index_term_p): Likewise.
2105 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2106 * config/vax/vax.md (and<mode>3): Likewise.
2107 (ashrsi3): Likewise.
2109 (movstricthi): Likewise.
2110 (movstrictqi): Likewise.
2111 (rotrsi3): Likewise.
2112 (five unnamed insns): Likewise.
2114 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2116 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2117 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2118 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2119 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2120 Pass to ASM_OUTPUT_DWARF_OFFSET.
2121 * dwarf2out.c (debug_frame_section): New.
2122 (output_call_frame_info): Use debug_frame_section. Pass it to
2123 dw2_asm_output_offset.
2124 (output_die): Pass appropriate section to dw2_asm_output_offset.
2125 (output_compilation_unit_header): Likewise.
2126 (output_pubnames): Likewise.
2127 (output_aranges): Likewise.
2128 (enum dw_val_class): Break dw_val_class_lbl_offset into
2129 dw_val_class_lineptr and dw_val_class_macptr.
2130 (add_AT_lbl_offset): Delete.
2131 (add_AT_lineptr): New.
2132 (add_AT_macptr): New.
2133 (AT_lbl): Expect a lineptr or macptr.
2134 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2135 (attr_checksum): Likewise.
2136 (same_dw_val_p): Likewise.
2137 (size_of_die): Likewise.
2138 (value_format): Likewise.
2139 (output_die): Likewise.
2140 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2142 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2143 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2144 * config/darwin-protos.h (darwin_file_start): New.
2145 (darwin_asm_output_dwarf_offset): New.
2146 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2147 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2149 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2150 if not EH section; simplify.
2151 (darwin_file_start): New.
2152 (darwin_asm_output_dwarf_offset): New.
2153 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2155 (DEBUG_INFO_SECTION): Likewise.
2156 (DEBUG_ABBREV_SECTION): Likewise.
2157 (DEBUG_ARANGES_SECTION): Likewise.
2158 (DEBUG_MACINFO_SECTION): Likewise.
2159 (DEBUG_LINE_SECTION): Likewise.
2160 (DEBUG_LOC_SECTION): Likewise.
2161 (DEBUG_PUBNAMES_SECTION): Likewise.
2162 (DEBUG_STR_SECTION): Likewise.
2163 (DEBUG_RANGES_SECTION): Likewise.
2164 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2165 (ASM_OUTPUT_DWARF_OFFSET): New.
2167 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2169 * config.gcc (tm_defines): Always add to previous value rather
2172 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2174 * config/mips/predicates.md (splittable_const_int_operand): New,
2175 split from move_operand.
2176 (splittable_symbolic_operand): New.
2177 (move_operand): Add commentary. Use splittable_const_int_operand.
2178 Inline mips_atomic_symbolic_constant_p.
2179 * config/mips/mips.md: Add combine splitters for handling moves
2180 of splittable_const_int_operands and splittable_symbolic_operands.
2181 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2182 (mips_split_symbol): Declare.
2183 (mips_move_integer): Declare.
2184 * config/mips/mips.c (mips_split_p): Make global.
2185 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2186 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2187 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2188 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2189 (mips_offset_within_object_p): Handle block symbols.
2190 (mips_atomic_symbolic_constant_p): Delete.
2191 (mips_cannot_force_const_mem): Return false for constants that
2192 mips_legitimize_move can handle.
2193 (mips_use_blocks_for_constant_p): New function.
2194 (mips_split_symbol): Make global.
2195 (mips_move_integer): Likewise. Add a temporary register argument.
2196 (mips_legitimize_const_move): Use splittable_const_int_operand and
2197 splittable_symbolic_operand.
2198 (mips_use_anchors_for_symbol_p): New function.
2199 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2200 (mips_split_p): Declare.
2202 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2204 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2205 (mips*-*-linux*): Likewise.
2207 2006-03-16 Roger Sayle <roger@eyesopen.com>
2208 Daniel Speyer <dspeyer@wam.umd.edu>
2211 * tree-dump.c (dump_real): New function.
2212 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2213 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2214 (tree-dump.o): Add $(REAL_H) to the dependencies.
2216 2006-03-16 Roger Sayle <roger@eyesopen.com>
2219 * real.c (real_from_string): If the mantissa is zero, don't bother
2220 parsing the exponent as the result should always be zero.
2222 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2224 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2226 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2228 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2229 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2230 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2231 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2232 ia64_sched_finish_global): New static functions to implement
2233 hooks from gcc_target.sched.
2234 (spec_check_no, max_uid, pending_data_specs): New static variables.
2235 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2236 ia64_spec_check_src_p): New static functions.
2237 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2238 (TARGET_SCHED_ADJUST_COST): Removed.
2239 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2240 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2241 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2242 TARGET_SCHED_GEN_CHECK,
2243 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2244 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2245 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2246 Fixed to handle speculation checks.
2247 (rtx_needs_barrier): Fixed to handle speculative loads and
2249 (ia64_variable_issue): Added code to count speculative loads and their
2251 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2253 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2255 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2257 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2258 (ia64_reorg): Reset stops_p to NULL after it is freed.
2259 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2260 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2261 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2263 (data_speculative, control_speculative, check_load): New attributes.
2264 (mov<mode>_advanced, mov<mode>_speculative,
2265 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2266 zero_extend<mode>di2_speculative,
2267 zero_extend<mode>di2_speculative_advanced): New patterns for
2268 data and control speculative loads.
2269 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2271 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2272 New pattern for data and control speculation checks.
2273 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2274 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2275 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2276 Auxiliary definitions for the patterns.
2277 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2278 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2280 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2282 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2283 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2284 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2285 New resource constraints.
2286 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2288 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2289 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2290 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2291 msched-in-control-spec, msched-ldc, msched-control-ldc,
2292 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2293 msched-prefer-non-control-spec-insns,
2294 msched-count-spec-in-critical-path): New flags to tune speculative
2296 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2297 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2298 msched-in-control-spec, msched-ldc, msched-control-ldc,
2299 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2300 msched-prefer-non-control-spec-insns,
2301 msched-count-spec-in-critical-path): Document new flags.
2303 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2305 * target.h (struct spec_info_def): New opaque declaration.
2306 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2307 speculate_insn, needs_block_p, gen_check,
2308 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2309 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2310 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2311 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2312 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2313 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2315 (TARGET_SCHED): Use new macros.
2316 * rtl.h (copy_DEPS_LIST_list): New prototype.
2317 * sched-int.h (struct sched_info): Change signature of new_ready field,
2318 adjust all initializations. New fields: add_remove_insn,
2319 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2320 region_head_or_leaf_p.
2321 (struct spec_info_def): New structure declaration.
2322 (spec_info_t): New typedef.
2323 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2324 recovery_block, orig_pat.
2325 (glat_start, glat_end): New variables declaraions.
2326 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2328 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2329 DETACH_LIFE_INFO, USE_GLAT.
2330 (enum SPEC_SCHED_FLAGS): New enumeration.
2331 (NOTE_NOTE_BB_P): New macro.
2332 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2333 attach_life_info, debug_spec_status, check_reg_live): New functions.
2334 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2335 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2337 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2338 * ddg.c (get_block_head_tail): Adjust all uses.
2339 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2340 (sms_sched_info): Initialize new fields.
2341 (contributes_to_priority): Removed.
2342 * haifa-sched.c (params.h): New include.
2343 (get_block_head_tail): Adjust all uses.
2344 (ISSUE_POINTS): New macro.
2345 (glat_start, glat_end): New global variables.
2346 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2347 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2348 old_last_basic_block, before_recovery, current_sched_info_var,
2349 rgn_n_insns, luid): New static variables.
2350 (insn_cost1): New function. Move logic from insn_cost to here.
2351 (find_insn_reg_weight1): New function. Move logic from
2352 find_insn_reg_weight to here.
2353 (reemit_notes, move_insn, max_issue): Change signature.
2354 (move_insn1): Removed.
2355 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2356 extend_bb): New static functions to support extension of scheduler's
2358 (generate_recovery_code, process_insn_depend_be_in_spec,
2359 begin_speculative_block, add_to_speculative_block,
2360 init_before_recovery, create_recovery_block, create_check_block_twin,
2361 fix_recovery_deps): New static functions to support
2362 generation of recovery code.
2363 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2364 restore_bb_notes, move_block_after_check, move_succs): New static
2365 functions to support ebb scheduling.
2366 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2367 functions to support handling of register live information.
2368 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2369 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2370 add_jump_dependencies): New static functions.
2371 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2372 consistancy checking.
2373 (debug_spec_status): New function to call from debugger.
2374 (priority): Added code to handle speculation checks.
2375 (rank_for_schedule): Added code to distinguish speculative instructions.
2376 (schedule_insn): Added code to handle speculation checks.
2377 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2378 Fixed to handle ebbs.
2379 (move_insn): Added code to handle ebb scheduling.
2380 (max_issue): Added code to use ISSUE_POINTS of instructions.
2381 (choose_ready): Added code to choose between speculative and
2382 non-speculative instructions.
2383 (schedule_block): Added code to handle ebb scheduling and scheduling of
2384 speculative instructions.
2385 (sched_init): Initialize new variables.
2386 (sched_finish): Free new variables. Print statistics.
2387 (try_ready): Added code to handle speculative instructions.
2388 * lists.c (copy_DEPS_LIST_list): New function.
2389 * sched-deps.c (extend_dependency_caches): New function. Move logic
2390 from create_dependency_caches to here.
2391 (get_dep_weak, ds_merge): Make global.
2392 * genattr.c (main): Code to output prototype for
2393 dfa_clear_single_insn_cache.
2394 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2395 (output_dfa_clean_insn_cache_func): Code to output
2396 dfa_clear_single_insn_cache function.
2397 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2399 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2401 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2402 New static variables.
2403 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2404 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2406 (ebb_sched_info): Initialize new fields.
2407 (get_block_head_tail): Adjust all uses.
2408 (compute_jump_reg_dependencies): Fixed to use glat_start.
2409 (schedule_ebb): Code to remove unreachable last block.
2410 (schedule_ebbs): Added code to update register live information.
2411 * sched-rgn.c (region_sched_info): Initialize new fields.
2412 (get_block_head_tail): Adjust all uses.
2413 (last_was_jump): Removed. Adjust users.
2414 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2415 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2416 Implement new hooks.
2417 (check_dead_notes1): New static function.
2418 (struct region): New fields: dont_calc_deps, has_real_ebb.
2419 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2420 (BB_TO_BLOCK): Fixed to handle EBBs.
2421 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2422 (ebb_head): New static variable.
2423 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2424 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2426 (compute_dom_prob_ps): New assertion.
2427 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2428 global_live_at_start.
2429 (init_ready_list): New assertions.
2430 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2431 (new_ready): Add support for BEGIN_CONTROL speculation.
2432 (schedule_insns): Fixed code that updates register live information
2434 (schedule_region): Fixed to handle EBBs.
2435 (init_regions): Use extend_regions and check_dead_notes1.
2436 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2437 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2438 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2439 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2440 TARGET_SCHED_GEN_CHECK,
2441 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2442 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2443 * doc/invoke.texi (max-sched-insn-conflict-delay,
2444 sched-spec-prob-cutoff): Document.
2446 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2448 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2449 inter_tick, queue_index.
2450 (struct sched_info): Change signature of init_ready_list field.
2451 Adjust all initializations.
2452 (RESOLVED_DEPS): New access macro.
2453 (ready_add): Remove prototype.
2454 (try_ready): Add prototype.
2455 * sched-rgn.c (init_ready_list): Use try_ready.
2456 (schedule_region): Initialize
2457 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2458 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2459 (init_ready_list): Use try_ready.
2460 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2461 * lists.c (remove_list_elem): Remove `static'.
2462 (remove_free_INSN_LIST_elem): New function.
2463 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2464 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2465 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2467 (readyp): New variable.
2468 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2469 change_queue_index, resolve_dep): New static functions.
2470 (try_ready): New function. Adjust callers in sched-rgn.c and
2471 sched-ebb.c to use it instead of ready_add.
2472 (clock_var): Move at the begining of file.
2473 (rank_for_schedule): Fix typo.
2474 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2475 (ready_lastpos): Enforce assertion.
2476 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2478 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2479 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2480 (queue_to_ready): Use free_INSN_LIST_list.
2481 (early_queue_to_ready): Fix typo.
2482 (schedule_block): Init readyp. Move init_ready_list call after the
2483 initialization of clock_var. Fix error in rejecting insn by
2484 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2485 that previously corrected INSN_TICKs. Add code for handling
2487 (set_priorities): Fix typo.
2488 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2489 Clarify comment and code that keeps current_sched_info->next_tail
2492 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2494 * sched-rgn.c (extend_rgns): New static function.
2495 (find_rgns): Use it.
2496 (gather_region_statistics, print_region_statistics): New static
2498 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2499 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2501 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2502 Andrey Belevantsev <abel@ispras.ru>
2504 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2505 * lists.c (unused_deps_list): New variable.
2506 (free_list): Add assertions to verify the proper distinguishing
2507 between INSN_LISTs and DEPS_LISTs.
2508 (find_list_elem, remove_list_elem, remove_list_node): New static
2510 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2511 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2512 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2513 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2515 (free_INSN_LIST_node): Likewise.
2516 * modulo-sched.c (current_sched_info): Initialize flags field.
2517 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2518 * rtl.def (DEPS_LIST): Define.
2519 * rtl.h: Declare new functions from lists.c.
2520 * sched-deps.c (spec_dependency_cache): New static variable.
2521 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2522 (add_dependence): Change return type to void. Move the logic to ...
2523 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2524 (delete_all_dependences): Add comment about forward_dependency_cache.
2525 Handle spec_dependency_cache. Handle DEPS_LISTs.
2526 (fixup_sched_groups): Clarify the change of priority of output
2527 and anti dependencies.
2528 (sched_analyze_2): Adjust add_dependence calls to create data
2529 speculative dependence.
2530 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2531 Adjust all callers. Handle DEPS_LISTS.
2532 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2533 presence of speculation.
2534 (init_dependency_caches, free_dependency_caches):
2535 Handle spec_dependency_cache.
2536 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2537 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2538 New static functions.
2539 (add_or_update_back_dep, add_or_update_back_forw_dep,
2540 add_back_forw_dep, delete_back_forw_dep): New functions.
2541 * sched-int.h (ds_t, dw_t): New typedefs.
2542 (struct sched_info): Add new field flags.
2543 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2544 Prototype new sched-deps.c functions.
2545 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2546 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2547 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2548 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2549 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2550 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2552 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2554 * sched-rgn.c (current_sched_info): Initialize flags field.
2555 (schedule_insns): Initialize current_sched_info before the sched_init
2557 * sched-ebb.c (current_sched_info): Initialize flags field.
2558 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2559 Call add_or_update_back_dep instead of add_dependence.
2560 Create control speculative dependencies.
2561 (schedule_insns): Initialize current_sched_info before the sched_init
2564 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2566 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2568 (sh_fallback_frame_state): Likewise.
2570 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2572 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2573 Do switch on default_use_cxa_atexit.
2574 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2575 * config/darwin-crt3.o: New.
2576 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2577 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2578 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2580 * config/rs6000/t-darwin: Move crt2.o building to here.
2581 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2582 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2585 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2587 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2588 from '! xxx' to '!xxx' for coding-style conformance.
2589 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2590 (EXTRA_CONSTRAINT): Likewise.
2591 * config/vax/vax.md (four unnamed insns): Likewise.
2593 2006-03-15 Paul Brook <paul@codesourcery.com>
2595 * config/arm/arm.c (minipool_pad): New.
2596 (add_minipool_forward_ref): Include pool alignment padding in address
2598 (push_minipool_fix): Set minipool_pad.
2599 (minipool_pad): Ditto.
2601 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2603 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2604 instead of GET_CODE() == MEM and REG_P() instead of
2606 (print_operand_address): Likewise.
2607 (vax_address_cost): Likewise.
2608 (vax_rtx_costs): Likewise.
2609 (vax_notice_update_cc): Likewise.
2610 (vax_output_int_add): Likewise.
2611 (INDEX_REGISTER_P): Likewise.
2612 (BASE_REGISTER_P): Likewise.
2613 (nonindexed_address_p): Likewise.
2614 (vax_mode_dependent_address_p): Likewise.
2615 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2616 (PRINT_OPERAND): Likewise.
2617 * config/vax/vax.md (ashlsi3): Likewise.
2618 (ashlsi3): Likewise.
2619 (some more unnamed insns): Likewise.
2621 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2623 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2624 iterator-style macro.
2625 (mark_control_dependent_edges_necessary): Update the use of
2626 EXECUTE_IF_CONTROL_DEPENDENT.
2628 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2630 * config/sh/predicates.md (cache_address_operand): Special.
2631 (ua_address_operand): Likewise.
2633 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2635 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2637 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2639 2006-03-15 Andreas Schwab <schwab@suse.de>
2641 * gensupport.c (identify_predicable_attribute): Don't free p_false
2642 when it is still in use.
2644 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2646 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2647 the default setting here.
2649 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2651 * tree-pass.h (pass_cfg): Remove.
2652 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2653 * passes.c (pass_cfg): Don't run it.
2655 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2657 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2658 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2660 (stack_regs_mentioned): Update the uses of
2661 stack_regs_mentioned_data. Don't access the array beyond its
2663 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2664 Don't include gt-reg-stack.h.
2666 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2667 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2669 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2672 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2675 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2677 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2679 2006-03-14 Richard Guenther <rguenther@suse.de>
2681 PR tree-optimization/26672
2682 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2685 2006-03-14 Richard Guenther <rguenther@suse.de>
2687 PR tree-optimization/26667
2688 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2689 node for the callees. Always allow inlining if it will shrink
2692 2006-03-14 Richard Guenther <rguenther@suse.de>
2695 * builtins.c (get_pointer_alignment): Prefer alignment
2696 information from decls over that from types.
2698 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2701 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2703 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2705 * config/rs6000/rs6000.opt (mdlmzb): New option.
2706 (msched-prolog, msched-epilog): Use Var not Mask.
2707 * doc/invoke.texi (-mdlmzb): Document.
2708 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2710 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2711 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2713 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2715 PR rtl-optimization/25739
2716 * bt-load.c (augment_live_range): Free tos pointer.
2718 * gensupport.c (identify_predicable_attribute): Free
2720 * gcov.c (create_file_names): Free name pointer.
2722 2006-03-13 Roger Sayle <roger@eyesopen.com>
2725 * stmt.c (emit_case_nodes): Handle the case where the index is a
2726 CONST_INT, where the comparison mode is specified by the index type.
2728 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2730 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2733 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2735 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2736 (*branch_fp_inverted): Likewise.
2738 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2741 * omp-low.c (expand_omp_for_generic): Mark istart0
2742 and iend0 as addressable.
2744 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2746 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2748 2006-03-13 Jeff Law <law@redhat.com>
2750 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2751 virtual operands are interesting.
2752 (vrp_visit_stmt): Corresponding changes.
2754 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2756 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2758 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2759 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2760 * config/bfin/crti.S: Use it instead of __PIC__.
2761 * config/bfin/crtn.S: Likewise.
2763 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2764 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2766 Lose 'G' modifier for call operand.
2767 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2768 recognize 'G' modifier.
2770 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2773 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2774 * stmt.c (expand_case): Likewise.
2776 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2778 PR rtl-optimization/26254
2779 * loop-invariant.c (seq_insns_valid_p): New function.
2780 (move_invariant_reg): Only emit new code if it is valid.
2782 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2784 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2786 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2787 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2788 (commit_one_edge_insertion): Do not look for loop notes.
2790 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2792 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2793 flag_test_coverage out of loop.
2795 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2797 * final.c (shorten_branches): Remove outdated comment, and turn
2798 the if branch that guards it to continue.
2800 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2802 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2803 * cfgloop.h (struct loop): Remove unused fields.
2805 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2807 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2808 (-dL, -fdump-rtl-loop2): Update the dump file names
2810 * doc/invoke.texi: Update dump file names.
2812 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2814 * predict.c (estimate_probability): Remove.
2815 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2816 * basic-block.h (estimate_probability): Remove prototype.
2817 * passes.c (finish_optimization_passes): Dump branch prediction or
2818 profiling heuristics to the .profile tree dump.
2819 (init_optimization_passes): Unqueue pass_branch_prob.
2821 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2823 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2825 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2826 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2828 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2830 * function.h (frame_offset_overflow): Declare.
2831 * function.c (frame_offset_overflow): New function.
2832 (assign_stack_local_1): Call it to detect that the offset overflows.
2833 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2835 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2837 * config/sh/sh.c: Include alloc-pool.h.
2838 (label_ref_list_pool): New alloc pool.
2839 (label_ref_list_t): New type for lists of labels.
2840 (struct pool_node): Make wend a label_ref_list_t.
2841 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2843 (dump_table): Likewise.
2844 (sh_reorg): Set up the alloc pool before using add_constant and
2845 dump_table, and destroy it when finishing.
2847 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2849 * config/mips/mips.c: Remove redundant comment.
2851 2006-03-10 Jason Merrill <jason@redhat.com>
2854 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2855 the target was declared 'register'.
2857 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2859 * genpreds.c (write_insn_constraint_len): Change definition of
2860 insn_constraint_len to return size_t to match the declaration.
2862 2006-03-10 DJ Delorie <dj@redhat.com>
2864 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2866 (m32c_expand_insv): Fix test for an AND mask.
2868 2006-03-10 Richard Guenther <rguenther@suse.de>
2871 * builtins.c (get_pointer_alignment): Handle component
2872 references for field alignment.
2874 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2876 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2877 when building with libgloss.
2878 (sh*elf): Implement --without-fp option.
2879 (sh64-superh-linux*): Don't multilib.
2881 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2883 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2885 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2887 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2888 Set it when one of the replacement functions returned true.
2889 Return TODO_cleanup_cfg if cfgchanged is true.
2890 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2892 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2894 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2895 instead of gen_lowpart.
2897 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2899 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2901 (mips_output_order_conditional_branch): Declare.
2902 * config/mips/mips.h (MIPS_BRANCH): New macro.
2903 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2904 for the comparison. Use gen_condjump.
2905 (mips_output_conditional_branch): Rework interface to take the
2906 asm templates for a direct branch and the inverse of a direct branch.
2907 (mips_output_order_conditional_branch): New function.
2908 (mips_builtin_branch_and_move): New function.
2909 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2910 branch condition. Use gen_single_cc as the condition for
2911 __builtin_mips_upper_* or __builtin_mips_lower_*.
2912 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2913 Use VOIDmode for the branch condition.
2914 * config/mips/predicates.md (order_operator): New predicate.
2915 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2916 (branch_fp): Rename to...
2917 (*branch_fp): ...this. Remove mode from comparison operator.
2918 Use new mips_output_conditional_branch interface.
2919 (branch_fp_inverted): Rename to...
2920 (*branch_fp_inverted): ...this and update as for *branch_fp.
2921 (*branch_zero<mode>): Rename to...
2922 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2923 Use mips_output_order_conditional_branch. Only accept ordered
2925 (*branch_zero<mode>_inverted): Rename to...
2926 (*branch_order<mode>_inverted): ...this and update as for
2927 *branch_order<mode>.
2928 (*branch_equality<mode>): Accept zero as the second operand to
2929 the equality operator. Use the new mips_output_conditional_branch
2931 (*branch_equality<mode>_inverted): Likewise.
2932 (condjump): New expander.
2933 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2935 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2936 (bc1any2t, bc1any2f): Likewise.
2937 (single_cc): New expander.
2938 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2940 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2942 * doc/md.texi: Update documentation of MIPS constraints.
2943 * config/mips/constraints.md: New file.
2944 * config/mips/mips.md: Include it.
2945 * config/mips/mips.c (mips_char_to_class): Delete.
2946 (override_options): Don't initialize mips_char_to_class.
2947 * config/mips/mips.h (mips_char_to_class): Delete.
2948 (REG_CLASS_FROM_LETTER): Delete.
2949 (CONST_OK_FOR_LETTER_P): Delete.
2950 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2951 (EXTRA_CONSTRAINT_Y): Delete.
2952 (EXTRA_CONSTRAINT_STR): Delete.
2953 (CONSTRAINT_LEN): Delete.
2954 (EXTRA_MEMORY_CONSTRAINT): Delete.
2956 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2958 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2959 original fn's eh regions.
2961 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2963 * fold-const.c (build_range_check): Make sure to use a valid type to
2964 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2967 (range_predecessor): New static function.
2968 (range_successor): Likewise.
2969 (merge_ranges): Use them to compute predecessors and successors of
2972 2006-03-09 Roger Sayle <roger@eyesopen.com>
2975 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2976 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2978 2006-03-08 DJ Delorie <dj@redhat.com>
2980 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2981 (addpsi3): Expand to include memory operands. Remove
2982 reload-specific splits.
2983 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2984 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2985 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2986 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2987 (shift1_qi, shift1_hi, insv): New.
2988 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2989 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2990 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2992 * config/m32c/m32c-protos.h: Update as needed.
2993 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2994 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2995 Fail for unrecognized R* constraints.
2996 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2997 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2998 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3000 (m32c_init_libfuncs): New.
3001 (m32c_legitimate_address_p): Add debug wrapper.
3002 (m32c_rtx_costs): New.
3003 (m32c_address_cost): New.
3004 (conversions): Add 'B' prefix.
3005 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3006 operands, or word regnames for QI operands. 'B' prints bit
3008 (m32c_expand_setmemhi): New.
3009 (m32c_expand_movmemhi): New.
3010 (m32c_expand_movstr): New.
3011 (m32c_expand_cmpstr): New.
3012 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3013 (m32c_expand_neg_mulpsi3): Handle non-ints.
3014 (m32c_cmp_flg_0): New.
3015 (m32c_expand_movcc): New.
3016 (m32c_expand_insv): New.
3017 (m32c_scc_pattern): New.
3018 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3019 a0/a1 out of SIregs.
3020 (STORE_FLAG_VALUE): New.
3021 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3024 * config/m32c/mov.md: Make constraints more liberal.
3025 (zero_extendqihi2): Optimize r0/r1 case.
3026 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3027 * config/m32c/predicates.md (m32c_any_operand): New.
3028 (m32c_nonimmediate_operand): New.
3029 (m32c_hl_operand): New.
3030 (m32c_r3_operand): New.
3033 (memsym_operand): New.
3034 (memimmed_operand): New.
3035 (a_qi_operand): New.
3036 (m32c_eqne_operator): New.
3037 (m32c_1bit8_operand): New.
3038 (m32c_1bit16_operand): New.
3039 (m32c_1mask8_operand): New.
3040 (m32c_1mask16_operand): New.
3041 * config/m32c/blkmov.md: New file.
3042 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3044 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3046 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3047 unsigned to fix signed/unsigned comparison issue in
3048 DWARF2_FRAME_REG_OUT.
3049 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3050 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3052 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3053 of ptr into the ENABLE_CHECKING section.
3055 2006-03-08 Jeff Law <law@redhat.com>
3057 * tree-vrp.c (infer_value_range): Only count pointer uses
3058 and dereferences if -fdelete-null-pointer-checks is enabled.
3060 * tree-vrp.c (find_assert_locations): Infer value ranges for
3061 single use pointers, but do not create ASSERT_EXPRs for them.
3062 When a non-null range is inferred for a pointer, backwards
3063 propagate that range to other equivalent pointers through the
3066 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3069 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3070 language hook targets.
3071 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3072 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3073 if language hook targets were missing.
3075 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3077 * tree-ssa-opfinalize.h: Removed.
3078 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3080 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3081 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3082 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3083 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3084 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3085 finalize_ssa_v_must_def_ops): New.
3087 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3089 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3092 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3094 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3096 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3097 addresses with offsets; reorganize.
3099 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3100 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3101 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3103 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3106 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3108 2006-03-08 Ben Elliston <bje@au.ibm.com>
3110 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3112 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3115 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3118 2006-03-07 Richard Guenther <rguenther@suse.de>
3120 PR tree-optimization/26587
3121 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3123 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3125 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3127 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3129 * hooks.c (hook_bool_mode_rtx_true): New function.
3130 * hooks.h (hook_bool_mode_rtx_true): Declare.
3131 * toplev.c (compile_file): Call output_shared_constant_pool.
3132 * varasm.c (shared_constant_pool): New variable.
3133 (assemble_start_function, assemble_end_function): Remove arguments
3134 from call to output_constant_pool.
3135 (create_constant_pool): New function, split out from...
3136 (init_varasm_status): ...here.
3137 (force_const_mem): Choose between the shared and per-function constant
3138 pools. Set current_function_uses_const_pool when reusing old entries
3139 as well as when creating new ones.
3140 (mark_constant): Ignore data argument.
3141 (mark_constants): Remove pool argument.
3142 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3143 to decide whether the function uses a constant pool.
3144 (output_constant_pool_contents): New function, split out from...
3145 (output_constant_pool): ...here.
3146 (output_shared_constant_pool): New function.
3147 (init_varasm_once): Initialize shared_constant_pool.
3148 * output.h (output_constant_pool): Delete.
3149 (output_shared_constant_pool): Declare.
3150 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3151 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3153 2006-03-06 Nick Clifton <nickc@redhat.com>
3155 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3156 flag_strength_reduce.
3158 2006-03-06 Ben Elliston <bje@au.ibm.com>
3160 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3161 x86_64-*-linux* configurations.
3163 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3164 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3166 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3168 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3170 * basic-block.h: Remove the extern for
3171 rediscover_loops_after_threading.
3173 * cfgloop.c (cancel_loop): Make it static.
3174 * cfgloop.h: Remove the prototype for cancel_loop.
3176 * flow.c (recompute_reg_usage): Make it static.
3177 * rtl.h: Remove the prototype for recompute_reg_usage.
3179 * function.c (use_return_register): Make it static.
3180 * function.h: Remove the prototype.
3182 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3184 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3186 * recog.h: Remove the prototype for
3187 validate_change_maybe_volatile.
3189 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3191 * rtlanal.c (replace_reg): Remove.
3192 * rtl.h: Remove the prototype for replace_reg.
3194 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3196 * regclass.c (reg_scan_update): Remove.
3197 (reg_scan_mark_refs): Remove the last argument.
3198 * rtl.h: Remove the prototype for reg_scan_update.
3200 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3202 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3203 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3204 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3205 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3206 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3207 loop-invariant.c, omp-low.c, opts.c, passes.c,
3208 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3209 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3210 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3211 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3212 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3213 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3215 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3217 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3218 * dwarf2out.h: Remove the prototype for
3219 dwarf2out_add_library_unit_info.
3221 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3223 * tree.c (add_var_to_bind_expr): Remove.
3224 * tree.h: Remove the prototype for add_var_to_bind_expr.
3226 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3228 * regclass.c (n_non_fixed_regs): Remove.
3229 (init_reg_sets_1, globalize_reg): Remove all uses of
3231 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3233 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3235 * rtlanal.c (insns_safe_to_move_p): Remove.
3236 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3238 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3240 * expmed.c (expand_mult_add): Remove.
3241 * expr.h: Remove the prototype for expand_mult_add.
3243 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3245 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3246 and REG_SAVED_VAL_EXP constants.
3247 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3248 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3249 Handle regs stored by value.
3250 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3251 (execute_cfa_program): Handle DW_CFA_val_offset,
3252 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3253 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3254 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3255 (uw_install_context_1): Handle target regs stored by value.
3257 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3259 * tree-sra.c (tree_sra): Return todoflags;
3260 (generate_one_element): Set TODO_update_smt_usage if needed.
3261 (pass_sra): Remove TODO_update_smt_usage.
3262 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3264 (tree_ssa_forward_propagate_single_use_vars): Return
3265 TODO_update_smt_usage if we need to update SMT usage.
3266 (pass_forwprop): Remove TODO_update_smt_usage.
3268 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3270 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3271 (correct_use_link): Remove reference to get_stmt_operands.
3272 (update_stmt_operands): Likewise.
3273 (get_modify_expr_operands): New function factored out of
3274 parse_ssa_operands and get_expr_operands.
3275 Try to create V_MUST_DEFs for LHS by default.
3276 (get_expr_operands) <case MODIFY_EXPR>: Call
3277 get_modify_expr_operands.
3278 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3279 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3280 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3281 get_modify_expr_operands.
3283 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3285 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3286 * tree-flow.h: Remove the prototype for
3287 referenced_var_lookup_if_exists.
3289 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3291 PR rtl-optimization/26345
3293 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3295 2006-03-03 Roger Sayle <roger@eyesopen.com>
3297 PR tree-optimization/26524
3298 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3299 fold_convert to create a constant of the appropriate type.
3301 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3303 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3304 SYMBOL_REF_IN_BLOCK_P.
3305 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3306 of SYMBOL_FLAG_IN_BLOCK.
3307 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3308 instead of SYMBOL_REF_IN_BLOCK_P.
3309 * explow.c (use_anchored_address): Likewise.
3310 * rtl.c (rtx_size): Likewise.
3311 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3312 instead of SYMBOL_FLAG_IN_BLOCK.
3313 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3314 SYMBOL_REF_IN_BLOCK_P.
3315 (assemble_variable): Likewise.
3316 (output_constant_def_contents): Likewise.
3317 (output_constant_pool): Likewise.
3318 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3319 instead of SYMBOL_FLAG_IN_BLOCK.
3320 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3321 SYMBOL_REF_IN_BLOCK_P.
3322 (SYMBOL_REF_BLOCK): Likewise.
3323 (SYMBOL_REF_OFFSET): Likewise.
3324 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3325 SYMBOL_REF_IN_BLOCK_P.
3326 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3327 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3328 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3329 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3331 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3333 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3335 2006-03-02 Roger Sayle <roger@eyesopen.com>
3337 * simplify-rtx.c (simplify_unary_operation): When simplifying
3338 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3339 that we perform the right shift in the appropriate mode, and
3340 then extend or truncate the result to requested mode.
3342 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3344 * gengtype.c (main): Handle double_int type.
3345 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3346 * double-int.c: New file.
3347 * double-int.h: New file.
3348 * system.h: Include doubleint.h.
3349 * Makefile.in (SYSTEM_H): Include double-int.h.
3350 (double-int.o): Add.
3352 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3355 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3358 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3360 * tree-vrp.c (remove_range_assertions): Do not update statements
3363 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3365 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3367 * gcse.c (rest_of_handle_gcse): Ditto.
3368 * except.c (gate_handle_eh): Ditto.
3369 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3370 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3372 2006-03-02 Eric Christopher <echristo@apple.com>
3374 * config/i386/i386.c (machopic_output_stub): Add indirection to
3377 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3381 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3383 Sun Niagara specific optimizations.
3384 * config.gcc: Recognize niagara as target.
3385 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3386 (TARGET_CPU_niagara): Define.
3387 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3388 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3389 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3390 (ASM_CPU_SPEC): Likewise.
3391 (PROCESSOR_NIAGARA): New enum entry.
3392 (REGISTER_MOVE_COST): Handle Niagara.
3393 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3394 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3395 (sparc_override_options): Recognize "niagara", set appropriate
3396 default MASK_* values for it, and align functions to 32-bytes
3397 by default just like ULTRASPARC/ULTRASPARC3.
3398 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3399 (sparc64_initialize_trampoline): Likewise.
3400 (sparc_use_sched_lookahead): Use zero for niagara.
3401 (sparc_issue_rate): Use one for niagara.
3402 * config/sparc/niagara.md: New file.
3403 * config/sparc/sparc.md: Include it.
3404 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3405 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3406 when default cpu is niagara.
3407 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3408 (ASM_CPU_SPEC): Likewise.
3409 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3410 when default cpu is niagara.
3411 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3412 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3413 just like v9/ultrasparc/ultrasparc3.
3414 * doc/invoke.texi: Add documentation for "niagara" and improve
3415 existing documentation for ultrasparc variants.
3417 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3419 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3421 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3423 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3424 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3425 and say that only one is needed.
3426 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3427 * target.h (have_switchable_bss_sections): New hook.
3428 * explow.c (use_anchored_address): Check that the symbol is in a block.
3429 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3430 (bss_noswitch_section): New variables.
3431 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3432 (get_noswitch_section): New function.
3433 (get_block_for_section): Allow SECT to be null.
3434 (unlikely_text_section_p): Use SECTION_STYLE.
3435 (bss_initializer_p): New function.
3436 (get_variable_section): Move earlier in file. Take a new argument,
3437 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3438 Return one of the new *_sections in such cases.
3439 (get_block_for_decl): New function, extracting some logic from
3440 use_blocks_for_decl_p.
3441 (change_symbol_section): Remove in favor of...
3442 (change_symbol_block): ...this new function.
3443 (use_blocks_for_decl_p): Remove checks now performed by
3445 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3446 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3447 (emit_local, emit_bss, emit_common): ...these new functions.
3448 Return true if the alignment was honored.
3449 (emit_tls_common): New function.
3450 (asm_emit_uninitialised): Delete.
3451 (assemble_variable_noswitch): New function, split out from...
3452 (assemble_variable): ...here. Don't make decisions about common
3453 variables here. Globalize all public decls that go into non-common
3454 sections. Check whether SYMBOL_REF_BLOCK is null.
3455 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3456 (output_constant_pool): Likewise.
3457 (init_varasm_once): Initialize the new section variables.
3458 (have_global_bss_p): New function.
3459 (categorize_decl_for_section): Use bss_initializer_p.
3460 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3461 (place_block_symbol): Assert that the symbol must be in a block.
3462 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3463 (TARGET_INITIALIZER): Include it.
3464 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3465 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3466 (SECTION_MACH_DEP): Bump by two.
3467 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3468 (unnamed_section): Mention SECTION_UNNAMED in comment.
3469 (named_section): Likewise SECTION_NAMED.
3470 (noswitch_section_callback): New type.
3471 (noswitch_section): New structure.
3472 (section): Add a noswitch_section alternative.
3473 (SECTION_STYLE): New macro.
3474 (tls_comm_section, comm_section, lcomm_section): Declare.
3475 (bss_noswitch_section, have_global_bss_p): Declare.
3476 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3477 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3479 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3480 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3483 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3485 * gcc/tree-vrp.c (execute_vrp): Return value.
3486 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3487 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3488 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3489 (tree_lower_complex_O0): Ditto.
3490 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3491 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3492 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3493 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3494 (execute_tail_calls): Ditto.
3495 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3496 * gcc/tree.h (init_function_for_compilation): Ditto.
3497 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3498 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3499 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3500 * gcc/final.c (compute_alignments): Ditto.
3501 (rest_of_handle_final): Ditto.
3502 (rest_of_handle_shorten_branches): Ditto.
3503 (rest_of_clean_state): Ditto.
3504 * gcc/omp-low.c (execute_expand_omp): Ditto.
3505 (execute_lower_omp): Ditto.
3506 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3507 * gcc/ipa-reference.c (static_execute): Ditto.
3508 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3509 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3510 (rest_of_handle_machine_reorg): Ditto.
3511 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3512 * gcc/flow.c (recompute_reg_usage): Ditto.
3513 (rest_of_handle_remove_death_notes): Ditto.
3514 (rest_of_handle_life): Ditto.
3515 (rest_of_handle_flow2): Ditto.
3516 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3517 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3518 (do_ssa_store_ccp): Ditto.
3519 (execute_fold_all_builtins): Ditto.
3520 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3521 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3522 * gcc/ipa-pure-const.c (static_execute): Ditto.
3523 * gcc/cse.c (rest_of_handle_cse): Ditto.
3524 (rest_of_handle_cse2): Ditto.
3525 * gcc/web.c (rest_of_handle_web): Ditto.
3526 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3527 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3528 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3529 * gcc/tree-nrv.c (tree_nrv): Ditto.
3530 (execute_return_slot_opt): Ditto.
3531 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3532 (create_structure_vars): Ditto.
3533 * gcc/loop-init.c (rtl_loop_init): Ditto.
3534 (rtl_loop_done): Ditto.
3535 (rtl_move_loop_invariants): Ditto.
3536 (rtl_unswitch): Ditto.
3537 (rtl_unroll_and_peel_loops): Ditto.
3538 (rtl_doloop): Ditto.
3539 * gcc/gimple-low.c (lower_function_body): Ditto.
3540 (mark_used_blocks): Ditto.
3541 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3542 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3543 (cgraph_early_inlining): Ditto.
3544 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3545 * gcc/jump.c (cleanup_barriers): Ditto.
3546 (purge_line_number_notes): Ditto.
3547 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3548 (rest_of_handle_if_after_reload): Ditto.
3549 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3550 (tree_ssa_loop_im): Ditto.
3551 (tree_ssa_loop_unswitch): Ditto.
3552 (tree_vectorize): Ditto.
3553 (tree_linear_transform): Ditto.
3554 (tree_ssa_loop_ivcanon): Ditto.
3555 (tree_ssa_empty_loop): Ditto.
3556 (tree_ssa_loop_bounds): Ditto.
3557 (tree_complete_unroll): Ditto.
3558 (tree_ssa_loop_prefetch): Ditto.
3559 (tree_ssa_loop_ivopts): Ditto.
3560 (tree_ssa_loop_done): Ditto.
3561 * gcc/predict.c (tree_estimate_probability): Ditto.
3562 * gcc/recog.c (split_all_insns_noflow): Ditto.
3563 (rest_of_handle_peephole2): Ditto.
3564 (rest_of_handle_split_all_insns): Ditto.
3565 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3566 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3567 (rest_of_handle_stack_adjustments): Ditto.
3568 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3569 * gcc/function.c (instantiate_virtual_regs): Ditto.
3570 (init_function_for_compilation): Ditto.
3571 (rest_of_handle_check_leaf_regs): Ditto.
3572 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3573 (rest_of_handle_gcse): Ditto.
3574 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3575 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3576 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3577 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3578 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3579 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3580 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3581 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3582 * gcc/except.c (set_nothrow_function_flags): Ditto.
3583 (convert_to_eh_region_ranges): Ditto.
3584 (rest_of_handle_eh): Ditto.
3585 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3586 (remove_unnecessary_notes): Ditto.
3587 * gcc/except.h (set_nothrow_function_flags): Ditto.
3588 (convert_to_eh_region_ranges): Ditto.
3589 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3590 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3591 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3592 (execute_fre): Ditto.
3593 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3594 (rest_of_handle_jump2): Ditto.
3595 * gcc/tree-sra.c (tree_sra): Ditto.
3596 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3597 (execute_mudflap_function_decls): Ditto.
3598 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3599 (do_store_copy_prop): Ditto.
3600 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3601 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3602 * gcc/tree-ssa-forwprop.c
3603 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3604 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3605 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3606 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3607 (execute_late_warn_uninitialized): Ditto.
3608 * gcc/rtl.h (cleanup_barriers): Ditto.
3609 (split_all_insns_noflow): Ditto.
3610 (purge_line_number_notes): Ditto.
3611 (unshare_all_rtl): Ditto.
3612 (remove_unnecessary_notes): Ditto.
3613 (recompute_reg_usage): Ditto.
3614 (variable_tracking_main): Ditto.
3615 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3616 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3617 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3618 (execute_free_cfg_annotations): Ditto.
3619 (execute_fixup_cfg): Ditto.
3620 (execute_cleanup_cfg_pre_ipa): Ditto.
3621 (execute_cleanup_cfg_post_optimizing): Ditto.
3622 (execute_init_datastructures): Ditto.
3623 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3624 * gcc/combine.c (rest_of_handle_combine): Ditto.
3625 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3626 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3627 (rest_of_handle_reorder_blocks): Ditto.
3628 (rest_of_handle_partition_blocks): Ditto.
3629 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3630 * gcc/tree-profile.c (tree_profiling): Ditto.
3631 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3632 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3633 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3634 (rest_of_handle_sched2): Ditto.
3635 * gcc/basic-block.h (free_bb_insn): Ditto.
3636 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3637 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3638 (remove_useless_stmts): Ditto.
3639 (split_critical_edges): Ditto.
3640 (execute_warn_function_return): Ditto.
3641 (execute_warn_function_noreturn): Ditto.
3642 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3643 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3644 * gcc/passes.c (execute_one_pass): Run additional
3645 todos returned by execute function.
3646 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3649 2006-03-02 Richard Guenther <rguenther@suse.de>
3651 * tree-ssa-alias.c (find_used_portions): Consider taking
3652 the address as making the variable not write-only.
3654 2006-03-02 Nick Clifton <nickc@redhat.com>
3656 * config.gcc (default_use_cxa_atexit): Extend the description of
3657 this configure variable. Set its default value to "yes" for
3658 Linux, NetBSD and ELF targets on the assumption that they will
3659 use C libraries with the __cxa_atexit function.
3661 2006-03-02 Ben Elliston <bje@au.ibm.com>
3663 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3664 parameter as unused to suppress a build warning.
3666 2006-03-02 Ben Elliston <bje@au.ibm.com>
3668 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3671 2006-03-01 Roger Sayle <roger@eyesopen.com>
3674 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3675 declared name, the weak reference name, and the typeof name.
3676 (__gthrw): Avoid expanding the declared name suffix.
3677 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3679 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3681 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3683 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3684 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3685 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3686 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3687 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3688 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3689 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3690 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3691 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3692 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3693 (DW_END_default, DW_END_big, DW_END_little): New.
3694 (DW_END_lo_user, DW_END_hi_user): Define.
3695 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3696 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3697 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3700 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3702 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3704 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3706 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3708 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3710 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3711 to 'symbol_mem_tag'.
3713 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3716 2006-03-01 Roger Sayle <roger@eyesopen.com>
3718 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3720 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3723 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3724 MACHO_DYNAMIC_NO_PIC_P.
3725 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3727 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3730 * config/darwin-protos.h (darwin_asm_output_anchor):
3732 * config/darwin-sections.def (cstring_section):
3733 Add SECTION_MERGE to the flags.
3734 (literal4_section): Likewise.
3735 (literal8_section): Likewise.
3736 (objc_selector_refs_section): Likewise.
3737 (objc_cls_refs_section): Likewise.
3738 * config/darwin.c (darwin_asm_output_anchor): New
3740 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3742 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3744 Fix PR tree-optimization/26443
3745 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3746 to todo and PROP_tmt_usage to properties_destroyed.
3747 * tree-ssa-ccp.c (pass_ccp): Ditto.
3748 (pass_store_ccp): Ditto.
3749 * tree-ssa-dom.c (pass_dominator): Ditto.
3751 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3753 * tree-ssa-operands.c: Cleanup whitespace.
3754 (get_asm_expr_operands): Move before first invocation.
3755 (get_indirect_ref_operands): Likewise.
3756 (get_tmr_operands): Likewise.
3757 (get_call_expr_operands): Likewise.
3758 (append_def): Likewise.
3759 (append_use): Likewise.
3760 (append_v_may_def): Likewise.
3761 (append_v_must_def): Likewise.
3762 (add_call_clobber_ops): Likewise.
3763 (add_call_read_ops): Likewise.
3764 (add_stmt_operand): Likewise.
3765 (add_virtual_operand): Likewise.
3766 (build_ssa_operands): Likewise.
3768 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3773 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3774 with a call expr to ...
3775 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3777 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3779 * tree-vrp.c (extract_range_from_assert): Remove special
3780 handling for types with super-types.
3782 2006-03-01 Ben Elliston <bje@au.ibm.com>
3784 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3785 and powerpc64-*-linux* configurations.
3786 * config/t-dfprules: New file.
3788 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3789 Compile dfp-bit.c from the source directory using -DWIDTH and
3790 $DFP_CFLAGS to control the compilation of that file, rather than
3791 generating width-specific versions in the build directory.
3792 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3793 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3795 2006-02-28 Zack Weinberg <zackw@panix.com>
3797 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3800 2006-02-28 Eric Christopher <echristo@apple.com>
3802 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3803 Set up IN_LIBGCC definition of TARGET_64BIT.
3804 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3806 2006-02-28 Roger Sayle <roger@eyesopen.com>
3809 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3810 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3811 cases via the construction of "expr != 0".
3813 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3815 * alias.c (alias_invariant, alias_invariant_size): Remove.
3816 (record_base_value): Remove.
3817 (memrefs_conflict_p): Don't look at alias_invariant.
3818 (end_alias_analysis): Don't free it.
3819 * alias.h (record_base_value): Remove prototype.
3821 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3822 Adam Nemet <anemet@caviumnetworks.com>
3824 * rtl.h (truncated_to_mode): Declare it.
3825 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3826 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3827 (RTL_HOOKS_INITIALIZER): Include it.
3828 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3829 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3830 reg_truncated_to_mode.
3831 * rtlanal.c (truncated_to_mode): Define it.
3832 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3834 2006-02-28 Jeff Law <law@redhat.com>
3836 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3837 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3838 the range allowed by TYPE_PRECISION.
3840 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3842 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3844 PR tree-optimization/26419
3845 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3848 2006-02-27 Zack Weinberg <zackw@panix.com>
3850 * doc/md.texi: Fix typo in previous change.
3852 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3856 2006-02-27 Zack Weinberg <zackw@panix.com>
3858 * rtl.def (define_constraint, define_register_constraint)
3859 (define_memory_constraint, define_address_constraint): New MD forms.
3860 * gensupport.c (process_rtx): Put define_constraint etc on the
3862 * genpreds.c (process_define_predicate): Adjust comment. Validate
3863 the name, and call validate_exp to validate the expression.
3864 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3865 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3866 all callers changed.
3867 (validate_exp, needs_variable, struct constraint_data)
3868 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3869 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3870 (const_dbl_constraints, constraint_max_namelen)
3871 (have_register_constraints, have_memory_constraints)
3872 (have_address_constraints, have_address_constraints)
3873 (have_extra_constraints, have_const_int_constraints)
3874 (have_const_dbl_constraints, mangle, add_constraint)
3875 (process_define_constraint, process_define_register_constraint)
3876 (write_enum_constraint_num, write_lookup_constraint)
3877 (write_insn_constraint_len, write_regclass_for_constraint)
3878 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3879 (write_insn_extra_memory_constraint)
3880 (write_insn_extra_address_constraint)
3881 (write_satisfies_constraint_fns): New.
3882 (write_tm_preds_h): If we have new-style constraint definitions,
3883 prototype the functions generated from them, and define the
3884 old constraint interface (still used by generic code) in terms of
3886 (write_insn_preds_c): If we have new-style constraint definitions,
3887 generate all relevant functions from those definitions.
3888 (main): Handle define_constraint etc.
3889 * genoutput.c (struct constraint_data, indep_constraints)
3890 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3891 (mdep_constraint_len): New data structures and functions, defined
3892 #ifdef USE_MD_CONSTRAINTS.
3893 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3894 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3895 use new logic to validate operand constraints against constraint
3897 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3899 * defaults.h: If none of the old-style constraint macros are
3900 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3901 old-style macros; and poison REG_CLASS_FROM_LETTER,
3902 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3904 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3905 * doc/md.texi: Document new constraint-definition mechanism and the
3906 C interface it provides. Remove references to old mechanism
3907 elsewhere in the document.
3908 (Machine Constraints): Use pathnames relative to gcc directory,
3909 i.e. config/ARCH/FILE. Change i386 section to refer to
3910 config/i386/predicates.md; update that section to match docstrings.
3911 * doc/tm.texi: Move all documentation of the old constraint-
3912 definition macros to their own section, clearly mark as obsolete.
3914 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3915 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3917 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3918 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3919 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3921 (splits and peepholes): Use satisfies_constraint_*.
3922 * config/i386/i386.c (memory_address_length)
3923 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3925 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3927 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3928 scalar operation to be put back into the loop.
3930 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3933 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3934 (extract_cie_info): Handle S flag in augmentation string.
3935 (execute_cfa_program): If context->signal_frame, execute also
3936 fs->pc == context->ra instructions.
3937 (uw_frame_state_for): If context->signal_frame, don't subtract one
3938 from context->ra to find FDE.
3939 (uw_update_context_1): Set context->signal_frame to
3941 (_Unwind_GetIPInfo): New function.
3942 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3943 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3945 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3946 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3947 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3948 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3949 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3950 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3951 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3952 x86_64_fallback_frame_state): Set fs->signal_frame.
3953 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3954 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3955 (frob_update_context): Likewise. Workaround missing S flag in
3956 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3957 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3958 Remove the psw_addr + 1 hack.
3960 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3962 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3963 with aggregates here.
3964 (find_func_aliases): Remove code for &<aggregate> from here.
3966 2006-02-26 Roger Sayle <roger@eyesopen.com>
3968 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3969 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3970 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3973 2006-02-26 Roger Sayle <roger@eyesopen.com>
3976 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3978 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3980 * opts.c (decode_options): Do not handle flag_strength_reduce.
3981 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3982 and OPT_fstrength_reduce.
3983 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3984 flag_prefetch_loop_arrays for being nonzero.
3985 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3987 (fprefetch-loop-arrays-rtl): Removed.
3988 (flag_prefetch_loop_arrays): Do not specify the value.
3990 * doc/passes.texi: Update documentation of loop optimizer
3992 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3993 -frerun-loop-opt): Remove.
3995 2006-02-26 Richard Guenther <rguenther@suse.de>
3997 PR tree-optimization/26421
3998 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3999 in function calls that are ADDR_EXPRs as using the whole structure.
4001 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4003 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4004 * tree-pass.h (pass_loop_optimize): Remove.
4005 * passes.c (pass_loop_optimize): Never run it.
4006 * toplev.c (backend_init): Don't call init_loop.
4007 * opts.c (flag_loop_optimize_set): Remove.
4008 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4009 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4010 the old RTL loop optimizer when profiling enabled.
4011 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4012 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4013 pre-headers for the sake of the old RTL loop optimizer.
4014 * Makefile.in: Remove all references to loop.o.
4016 * doc/invoke.texi: Remove all references to -floop-optimize
4017 and -frerun-loop-opt.
4019 2006-02-26 Zack Weinberg <zackw@panix.com>
4021 * doc/md.texi (Machine Constraints): Refer to all files with paths
4022 relative to gcc directory (i.e. config/CPU/file). Add missing
4023 @table @code ... @end table to M32C subsection.
4025 2006-02-26 Roger Sayle <roger@eyesopen.com>
4027 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4029 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4031 2006-02-26 Roger Sayle <roger@eyesopen.com>
4032 James A. Morrison <phython@gcc.gnu.org>
4035 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4036 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4037 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4038 signedness of the shift operation.
4040 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4042 PR tree-optimization/26359
4043 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4045 2006-02-25 Roger Sayle <roger@eyesopen.com>
4047 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4048 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4049 as X == 0, and some symmetry related transformations.
4050 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4052 2006-02-25 Roger Sayle <roger@eyesopen.com>
4055 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4056 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4057 symmetry related transformations. Fold (X^C1) == C2 as
4060 2006-02-25 Juergen Weigert <jw@suse.de>
4061 Richard Guenther <rguenther@suse.de>
4063 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4065 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4067 * combine.c (gen_lowpart_or_truncate): Call
4068 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4070 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4072 * doc/invoke.texi: Move -fopenmp description to "Options for
4074 Remove reference to -lgomp.
4076 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4078 * doc/install.texi: Require GNU tar version 1.14.
4080 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4082 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4083 * doc/invoke.texi (C++ Dialect Options): Document
4084 -fno-use-cxa-get-exception-ptr.
4085 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4086 * configure: Regenerate.
4087 * c.opt (fuse-cxa-get-exception-ptr): New.
4088 * c-opts.c (c_common_handle_option): Handle
4089 OPT_fuse_cxa_get_exception_ptr.
4090 * c-common.c (flag_use_cxa_atexit): Update documentation.
4091 (flag_use_cxa_get_exception_ptr): New.
4092 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4093 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4095 (C_COMMON_OVERRIDE_OPTIONS): New.
4097 2006-02-24 Roger Sayle <roger@eyesopen.com>
4100 * combine.c (try_combine): Explicitly check whether GET_CODE is
4101 a SET or a CLOBBER, instead on checking that it isn't a USE.
4103 2006-02-24 Roger Sayle <roger@eyesopen.com>
4105 * fold-const.c (fold_comparison): New subroutine of fold_binary
4106 containing transformations common to both the equality and
4107 ordering relational operators, factored out of fold_binary.
4108 (fold_binary): Separate out the equality operators (EQ_EXPR
4109 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4110 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4111 transformations common to both.
4112 (fold_div_compare): Fix latent bugs in the previously unreachable
4113 LT_EXPR and GE_EXPR cases.
4115 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4117 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4118 decl libname for clog to __clog on AIX.
4120 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4122 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4125 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4126 output traceback table for thunks. Localise rs6000_stack_info call.
4128 2006-02-23 Roger Sayle <roger@eyesopen.com>
4129 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4131 * gthr-posix.h (__gthrw): Fix typo in comment.
4133 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4135 * doc/cpp.texi (Character sets): Document that we do support
4136 input files to be in any character set.
4138 2006-02-23 Jeff Law <law@redhat.com>
4140 * tree.h (PHI_ARG_NONZERO): Remove.
4141 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4142 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4143 node to the new node.
4145 PR tree-optimization/26425
4146 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4147 min/max, then assume its varying.
4149 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4151 PR rtl-optimization/26316
4152 * rtlanal.c (enum may_trap_p_flags): New.
4153 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4154 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4155 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4156 (may_trap_after_code_motion_p): New function.
4157 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4158 (find_invariant_insn): Use may_trap_after_code_motion_p.
4159 * rtl.h (may_trap_after_code_motion_p): Declare.
4161 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4163 * emit-rtl.c (immed_double_const): Cleanup.
4165 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4167 Fix PR tree-optimization/26376
4168 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4171 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4174 * gimplify.c (omp_add_variable): Guard variable size decl test with
4175 DECL_SIZE (decl) check.
4177 2006-02-23 Richard Guenther <rguenther@suse.de>
4180 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4181 like aggregate types.
4183 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4185 * configure.ac: Add --with{,out}-long-double-128 configure option.
4186 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4187 * configure: Rebuilt.
4188 * config.in: Rebuilt.
4189 * doc/install.texi (Options specification): Document
4190 --with-long-double-128.
4192 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4193 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4194 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4195 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4197 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4199 * config/s390/s390.c (override_options): Handle
4200 TARGET_DEFAULT_LONG_DOUBLE_128.
4202 * config/alpha/alpha.c (override_options): Handle
4203 TARGET_DEFAULT_LONG_DOUBLE_128.
4205 * config/sparc/sparc.c (sparc_override_options): Handle
4206 TARGET_DEFAULT_LONG_DOUBLE_128.
4208 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4210 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4211 (real-install-headers-tar, real-install-headers-cpio)
4212 (real-install-headers-cp): New targets.
4214 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4216 * tree.h (variable_section): Delete.
4217 * varasm.c (variable_section): Delete.
4219 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4221 * install.texi: Add notes on install.texi2html.
4222 (Building in parallel): Do not use footnotes.
4224 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4227 * doc/install.texi (Configuration): Document --disable-libgomp.
4229 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4231 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4233 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4235 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4236 (vec_extractv2df_0_sse): New.
4238 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4240 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4241 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4242 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4243 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4244 to the result of the expression.
4245 (def_cfa_1): Adjust.
4246 (frame_pointer_cfa_offset): Rename to...
4247 (frame_pointer_fb_offset): ... this. Adjust all uses.
4248 (convert_cfa_to_loc_list): Rename to...
4249 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4250 Pass it on to build_cfa_loc.
4251 (compute_frame_pointer_to_cfa_displacement): Rename to...
4252 (compute_frame_pointer_to_fb_displacement): ... this. New
4253 offset parameter. Use it in computation.
4254 (gen_subprogram_die): Compute cfa_fb_offset with the new
4255 macro, and use it to compute the fb loc list and the
4258 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4260 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4261 replaced with register_operand.
4262 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4263 non-DREG is expensive.
4264 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4265 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4268 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4270 * doc/install.texi2html: Use set -e.
4272 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4274 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4275 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4276 * doc/invoke.texi (-fshared-data): Delete.
4277 * common.opt (fshared-data): Delete.
4278 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4279 (assemble_static_space): Remove #if 0 code.
4280 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4281 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4282 * config/cris/cris.h: Remove FIXME.
4284 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4286 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4289 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4292 * combine.c (simplify_shift_const_1): Disable nested shifts
4293 optimization for vector shifts.
4295 2006-02-20 Roger Sayle <roger@eyesopen.com>
4297 PR tree-optimization/26361
4298 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4299 of unsigned integer types.
4301 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4303 * tree-chrec.c (eq_evolutions_p): New.
4304 * tree-chrec.h (eq_evolutions_p): Declared.
4305 * tree-data-ref.c: Fix formatting.
4306 (datadep_stats, dependence_stats): New.
4308 (print_direction_vector): New.
4309 (dump_data_dependence_relation): Use print_direction_vector.
4310 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4311 (compute_subscript_distance): Static.
4312 (initialize_data_dependence_relation): Static. Get the number
4313 of loops surrounding the references from the callers, and initialize
4314 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4315 base_object_differ_p analyzers.
4316 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4317 compute_overlap_steps_for_affine_1_2,
4318 analyze_subscript_affine_affine): Count the classified dependences.
4319 Print a message when a test failed.
4320 (can_use_analyze_subscript_affine_affine): New.
4321 (analyze_siv_subscript): Compute the data dependences on symbolic
4322 scevs that verify can_use_analyze_subscript_affine_affine.
4323 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4324 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4325 Handle symbolic scevs.
4326 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4328 (subscript_dependence_tester): Moved...
4329 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4330 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4331 DDR_SIZE_VECT instead of getting it in parameter.
4332 (subscript_dependence_tester): ... here. Take as a parameter
4333 loop_nest_depth. Call build_classic_dist_vector and
4334 build_classic_dir_vector.
4335 (compute_affine_dependence): Update subscript_dependence_tester
4336 parameters. Update datadep_stats counters. Call
4337 compute_subscript_distance.
4338 (compute_self_dependence): Save the dist and dir vectors. Call
4339 compute_subscript_distance.
4340 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4341 (compute_all_dependences): Reorder parameters as they were before
4342 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4343 compute_subscript_distance. Update the use of
4344 compute_affine_dependence and initialize_data_dependence_relation.
4345 (find_data_references_in_loop): Handle COMPONENT_REF.
4346 (compute_data_dependences_for_loop): Initialize dependence_stats.
4347 Don't call build_classic_dist_vector and build_classic_dir_vector.
4348 Update the parameters of initialize_data_dependence_relation and
4349 compute_all_dependences. Print the statistics from datadep_stats.
4350 (analyze_all_data_dependences): Static. Not used until the pass for
4351 checking the data dependences is contributed.
4352 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4353 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4354 (initialize_data_dependence_relation, compute_affine_dependence,
4355 analyze_all_data_dependences, compute_subscript_distance): Removed.
4356 (print_direction_vector): New.
4357 * lambda.h (gcd): ... here.
4358 (lambda_vector_gcd): Moved here from gcd_vector.
4359 * lambda-code.c (gcd, gcd_vector): Removed.
4360 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4361 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4363 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4365 * ipa-type-escape.c: Tidy some comments and white space.
4366 * tree-ssa-operands.c: Likewise.
4368 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4371 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4372 (dump_decl_name): Do not walk the decl tree chains.
4373 * tree-pass.h (TDF_CHAIN): Remove.
4375 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4377 * Makefile.in (C): Remove
4379 (.PHONY): Remove C and PROTO
4381 2006-02-20 Roger Sayle <roger@eyesopen.com>
4384 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4385 deprecated CHAR_TYPE tree code.
4387 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4389 * configure.ac (target_list): Add install-info, dvi, html.
4390 * configure: Regenerate.
4392 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4393 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4394 treelang/Make-lang.in: Do not use double-colon rules.
4396 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4398 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4399 (TMT_USED_ALONE): New macro.
4400 * tree-pass.h (PROP_tmt_usage): New property.
4401 (TODO_update_tmt_usage): New todo.
4402 * tree-ssa-alias.c (updating_used_alone): New variable.
4403 (recalculate_used_alone): New function.
4404 (compute_may_aliases): Set updating_used_alone, call
4405 recalculate_used_alone.
4406 * tree-sra.c (pass_sra): Note that this pass destroys
4407 PROP_tmt_usage, and add TODO_update_tmt_usage.
4408 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4409 * tree-flow.h (updating_used_alone): Prototype.
4410 (recalculate_used_alone): Ditto.
4411 * passes.c (execute_todo): Add code to set updating_used_alone,
4412 and call recalculate.
4413 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4414 for clobber if used alone, and add assert to verify used_alone
4417 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4419 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4420 for non tls symbols added.
4421 (legitimize_address): Do nothing for PLUS expressions if one of the
4422 addends is a tls symbol reference.
4424 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4428 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4430 * Makefile.in (BOOTSTRAPPING): New.
4431 (quickstrap): New definition if BOOTSTRAPPING=yes.
4433 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4434 * configure.ac: Substitute all_selected_languages with the languages
4435 that were configured. For all the other variables except
4436 lang_specs_files, include all the languages in the tree.
4437 * configure: Regenerate.
4439 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4440 if there is one. Run the commands to run fixincludes in the same
4443 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4444 * doc/install.texi: Document exact conventions for searching target tools.
4445 Document --with-build-time-tools. Document toplevel bootstrap. Document
4446 something more about building an Ada cross-compiler. Don't list GNU Make
4447 requirements which affect all platforms.
4449 2006-02-19 Roger Sayle <roger@eyesopen.com>
4452 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4453 only equivalent if the have both the same mode and precision.
4455 2006-02-20 Ben Elliston <bje@au.ibm.com>
4457 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4459 2006-02-19 Roger Sayle <roger@eyesopen.com>
4460 Steven Bosscher <stevenb.gcc@gmail.com>
4462 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4463 constant pool references to identify stack mode constants.
4464 * rtlanal.c (constant_pool_constant_p): New predicate to check
4465 whether operand is a floating point constant in the pool.
4466 * rtl.h (constant_pool_constant_p): Prototype here.
4467 * loop.c (scan_loop): Avoid hoisting constants from the constant
4468 pool on STACK_REGS targets.
4469 (load_mems): Likewise.
4470 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4471 loads into x87 registers expensive in terms of register pressure.
4473 2006-02-19 Roger Sayle <roger@eyesopen.com>
4475 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4476 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4478 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4480 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4481 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4483 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4485 * doc/invoke.texi: Document -fipa-pta.
4486 * common.opt: Add ipa-pta option.
4487 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4488 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4489 (do_ds_constraint): Ditto.
4490 (get_constraint_for): Only add to referenced_vars if
4491 referenced_vars exists.
4492 (insert_into_field_list): Rewrite to do this unsorted.
4493 (insert_into_field_list_sorted): Rename old insert_into_field_list
4495 (create_function_info_for): Use insert_into_field_list_sorted.
4496 (create_variable_info_for): Rewrite so it uses unsorted version,
4497 since the field list is sorted.
4498 (intra_create_variable_infos): Only add to referenced_vars if
4499 referenced_vars exists.
4500 (ipa_pta_execute): Init heapvars, and delete when done.
4501 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4503 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4505 * doc/install.texi: Add missing `@samp'.
4507 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4509 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4512 2006-02-18 Mark Wielaard <mark@klomp.org>
4514 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4515 who added new 4.1 features, bug fixes and integration support.
4517 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4520 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4523 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4525 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4526 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4527 (copy_insn_1): Likewise. Don't copy each field individually.
4529 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4531 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4532 * rtl.c (rtx_size): Rename variable to...
4533 (rtx_code_size): ...this.
4534 (rtx_size): New function.
4535 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4536 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4538 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4539 * rtl.h (rtx_code_size): New variable.
4540 (rtx_size): Change from a variable to a function.
4541 (RTX_SIZE): Rename to...
4542 (RTX_CODE_SIZE): ...this.
4545 PR tree-optimization/17106
4546 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4547 (Anchored Addresses): New section.
4548 * doc/invoke.texi (-fsection-anchors): Document.
4549 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4550 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4551 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4552 * hooks.c (hook_bool_mode_rtx_false): New function.
4553 * hooks.h (hook_bool_mode_rtx_false): Declare.
4554 * gengtype.c (create_optional_field): New function.
4555 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4556 SYMBOL_REF_IN_BLOCK_P is true.
4557 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4558 (min_anchor_offset, max_anchor_offset): Likewise.
4559 (use_anchors_for_symbol_p): New hook.
4560 * toplev.c (compile_file): Call output_object_blocks.
4561 (target_supports_section_anchors_p): New function.
4562 (process_options): Check that -fsection-anchors is only used on
4563 targets that support it and when -funit-at-a-time is in effect.
4564 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4565 if the decl doesn't have one.
4566 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4567 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4568 of force_const_mem through use_anchored_address.
4569 (expand_expr_constant): New function.
4570 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4571 calling expand_expr for INDIRECT_REF.
4572 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4573 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4574 * expr.h (use_anchored_address): Declare.
4575 * loop-unroll.c: Don't declare rtx vectors here.
4576 * explow.c: Include output.h.
4577 (validize_mem): Call use_anchored_address.
4578 (use_anchored_address): New function.
4579 * common.opt (-fsection-anchors): New switch.
4580 * varasm.c (object_block_htab, anchor_labelno): New variables.
4581 (hash_section, object_block_entry_eq, object_block_entry_hash)
4582 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4583 (use_blocks_for_decl_p, change_symbol_section): New functions.
4584 (get_variable_section): New function, split out from assemble_variable.
4585 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4586 use_blocks_for_decl_p say so. Use change_symbol_section if the
4587 symbol has already been created.
4588 (assemble_variable_contents): New function, split out from...
4589 (assemble_variable): ...here. Don't output any code for
4590 block symbols; just pass them to place_block_symbol.
4591 Use get_variable_section and assemble_variable_contents.
4592 (get_constant_alignment, get_constant_section, get_constant_size): New
4593 functions, split from output_constant_def_contents.
4594 (build_constant_desc): Create a block symbol if use_object_blocks_p
4595 says so. Or into SYMBOL_REF_FLAGS.
4596 (assemble_constant_contents): New function, split from...
4597 (output_constant_def_contents): ...here. Don't output any code
4598 for block symbols; just pass them to place_section_symbol.
4599 Use get_constant_section and get_constant_alignment.
4600 (force_const_mem): Create a block symbol if use_object_blocks_p and
4601 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4602 (output_constant_pool_1): Add an explicit alignment argument.
4603 Don't switch sections here.
4604 (output_constant_pool): Adjust call to output_constant_pool_1.
4605 Switch sections here instead. Don't output anything for block symbols;
4606 just pass them to place_block_symbol.
4607 (init_varasm_once): Initialize object_block_htab.
4608 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4609 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4610 (place_block_symbol, get_section_anchor, output_object_block)
4611 (output_object_block_htab, output_object_blocks): New functions.
4612 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4613 (TARGET_ASM_OUT): Include it.
4614 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4615 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4616 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4617 (TARGET_INITIALIZER): Include them.
4618 * rtl.c (rtl_check_failed_block_symbol): New function.
4619 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4620 (block_symbol, object_block): New structures.
4621 (rtx_def): Add a block_symbol field to the union.
4622 (BLOCK_SYMBOL_CHECK): New macro.
4623 (rtl_check_failed_block_symbol): Declare.
4624 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4625 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4626 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4627 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4628 * output.h (output_section_symbols): Declare.
4629 (object_block): Name structure.
4630 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4631 (default_use_anchors_for_symbol_p): Declare.
4632 * Makefile.in (RTL_BASE_H): Add vec.h.
4633 (explow.o): Depend on output.h.
4634 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4635 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4636 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4637 (rs6000_use_blocks_for_constant_p): New function.
4639 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4641 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4643 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4646 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4649 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4651 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4655 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4658 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4659 instead of DECL_REGISTER.
4661 2006-02-18 Olivier Hainque <hainque@adacore.com>
4664 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4666 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4669 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4670 * opth-gen.awk: Handle Var and InverseMask together.
4671 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4672 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4673 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4674 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4676 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4677 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4678 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4679 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4680 LINUX_DYNAMIC_LINKER): Define.
4681 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4682 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4684 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4685 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4686 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4687 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4688 (TARGET_C99_FUNCTIONS): Don't define.
4689 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4690 GLIBC_DYNAMIC_LINKER.
4691 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4692 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4693 GLIBC_DYNAMIC_LINKER64): Define.
4694 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4695 LINUX_DYNAMIC_LINKER64.
4696 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4697 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4698 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4699 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4700 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4701 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4702 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4703 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4704 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4705 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4706 and LINUX_DYNAMIC_LINKER32.
4707 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4708 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4709 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4710 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4711 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4713 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4714 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4715 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4716 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4717 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4718 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4719 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4720 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4721 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4722 LINUX_DYNAMIC_LINKER): Define.
4723 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4724 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4725 GLIBC_DYNAMIC_LINKER64): Define.
4726 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4727 LINUX_DYNAMIC_LINKER64.
4728 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4729 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4730 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4731 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4732 LINUX_DYNAMIC_LINKER): Define.
4733 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4734 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4735 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4736 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4737 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4738 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4739 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4740 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4741 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4742 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4743 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4744 * doc/invoke.texi (-muclibc): Remove caveat about supported
4747 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4749 * doc/cpp.texi (__TIMESTAMP__): Document.
4751 2006-02-17 Roger Sayle <roger@eyesopen.com>
4754 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4755 C is one less than the width of X (and related transformations).
4756 * simplify-rtx.c (simplify_unary_operation_1): Transform
4757 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4758 depending on STORE_FLAG_VALUE, were C is one less then the
4761 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4763 Fix PR tree-optimization/26341
4764 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4765 about NAME_MEMORY_TAG's.
4767 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4770 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4771 with hardware float support, and software float support. Add fcpy
4772 alternative to hardware patterns. Add alternatives to copy between
4773 general and floating-point registers to the 32-bit pattern.
4774 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4775 secondary reload to load a QI or HI mode constant into a floating
4777 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4778 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4780 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4783 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4785 (load_macho_picbase_di): Likewise.
4787 2006-02-16 Jeff Law <law@redhat.com>
4789 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4790 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4791 (ssa_name_nonzero_p): Likewise.
4792 (get_value_range): Return NULL if VRP is not running.
4793 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4794 VRP routines do not discover a range.
4795 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4796 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4797 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4798 (tree_expr_nonnegative_p): Similarly.
4799 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4800 (restore_nonzero_vars_to_original_value): Remove.
4801 (unsafe_associative_fp_binop): Remove.
4802 (tree_ssa_dominator_optimize): Remove initialization and
4803 finalization of nonzero_vars and nonzero_vars_stack.
4804 (dom_opt_initialize_block): No longer push marker on
4806 (dom_opt_finalize_block): No longer call
4807 restore_nonzero_vars_to_original_value.
4808 (record_equivalences_from_phis): No longer look for
4809 nonzero PHI arguments.
4810 (cprop_into_successor_phis): No longer propagate nonzero
4811 property into PHI arguments. Lose unused argument. Caller
4813 (record_equivalences_from_stmt): No longer record nonzero
4814 values for SSA_NAMEs.
4815 (lookup_avail_expr): No longer use nonzero_vars.
4817 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4818 for sizetype when sizetype is unsigned.
4820 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4822 PR rtl-optimization/25603
4823 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4824 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4825 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4826 with new meaning of SETS.
4828 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4833 * config/linux.opt: New file.
4834 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4835 LINUX_DYNAMIC_LINKER): Define.
4836 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4837 * config.gcc (*-*-linux*): Define extra_options.
4838 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4839 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4840 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4841 GLIBC_DYNAMIC_LINKER.
4842 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4843 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4844 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4845 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4846 * doc/invoke.texi (GNU/Linux Options): New section.
4848 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4850 * config/sparc/sparc.md (setjmp): Rewrite.
4851 (setjmp_32): Delete.
4852 (setjmp_64): Likewise.
4854 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4856 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4859 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4861 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4864 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4866 PR rtl-optimization/26296
4867 * Makefile.in (loop-invariant.c): Add except.h dependency.
4868 * loop-invariant.c: Include except.h.
4869 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4871 2005-02-16 Paul Brook <paul@codesourcery.com>
4873 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4876 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4878 PR rtl-optimization/25636
4879 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4880 when deciding whether an insn is an initializing insn.
4882 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4884 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4885 (tree_code_size): Ditto.
4886 * tree.h (struct tree_memory_tag): Remove parent_var.
4887 (struct tree_struct_field_tag): New.
4890 (union tree_node): Add sft member.
4891 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4893 (create_sft): Add size and offset argument, set SFT_OFFSET and
4895 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4896 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4897 * tree-flow-inline.h (get_subvar_at): Update for
4898 SFT_OFFSET/SFT_SIZE.
4899 (var_can_have_subvars): Ditto.
4900 (overlap_subvar): Ditto.
4901 * print-tree.c (print_node): Print out interesting things for
4903 * tree-flow.h (struct subvar): Remove offset and size members.
4904 * tree-ssa-operands.c (get_expr_operands): Update for
4905 get_indirect_ref_operands changes.
4906 (get_indirect_ref_operands): Call add_virtual_operand instead of
4907 add_stmt_operand. Only recurse on base var if requested.
4908 (access_can_touch_variable): New function.
4909 (add_stmt_operand): Split virtual operand handling into ...
4910 (add_virtual_operand): Here. Add offset, size, and for_clobber
4911 arguments. Prune alias sets.
4912 (add_call_clobber_ops): Call add_virtual_operand.
4914 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4917 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4919 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4920 than TREE_CODE as index into omp_clause_num_ops array.
4922 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4924 PR rtl-optimization/26184
4925 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4927 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4928 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4929 must_precede, must_follow and tobe_scheduled.
4932 * opts.c (common_handle_option): Free new_option pointer.
4933 * df-core.c (df_analyze): Free postorder pointer.
4935 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4937 * Makefile.in: Fix the examples about the use of stamps
4939 2006-02-15 Michael Matz <matz@suse.de>
4943 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4944 influenced by maximum_field_alignment or DECL_PACKED.
4945 (update_alignment_for_field): Ditto.
4946 (place_field): Ditto.
4947 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4950 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4952 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4953 (debug_flow_info): Pass it.
4954 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4955 * bb-reorder.c (reorder_basic_blocks): Likewise.
4956 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4957 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4958 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4959 * gcse.c (gcse_main, bypass_jumps): Likewise.
4960 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4961 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4962 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4963 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4964 * rtl.h (dump_flow_info): Adjust prototype.
4965 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4966 * var-tracking.c (variable_tracking_main): Likewise.
4967 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4968 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4971 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4973 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4976 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4978 PR tree-optimization/26209
4979 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4980 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4982 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4984 2006-02-14 Roger Sayle <roger@eyesopen.com>
4987 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4988 (X,Y) and the corresponding symmetry related transformations.
4989 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4990 (X,Y) and its symmetry related transformations.
4992 2006-02-14 Roger Sayle <roger@eyesopen.com>
4994 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4997 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4999 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5001 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5004 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5005 support COMDAT group.
5006 * configure: Regenerate.
5008 2006-02-14 Roger Sayle <roger@eyesopen.com>
5013 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5015 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5017 Fix PR tree-optimization/26260
5019 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5021 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5022 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5023 * tree-ssa-structalias.c (create_variable_info_for): Use
5024 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5026 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5028 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5030 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5031 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5032 of the ending condition.
5033 * tree-ssa-loop-manip.c: Include params.h.
5034 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5035 tree_unroll_loop): New functions.
5036 * tree-pass.h (pass_loop_prefetch): Declare.
5037 * loop.c (rest_of_handle_loop_optimize): Test for
5038 -fprefetch-loop-arrays-rtl.
5039 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5040 * timevar.def (TV_TREE_PREFETCH): New timevar.
5041 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5042 pass_loop_prefetch): New.
5043 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5044 (cleanup_tree_cfg_loop): Call scev_reset.
5045 * common.opt (fprefetch-loop-arrays-rtl): Add.
5046 * tree-ssa-loop-prefetch.c: New file.
5047 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5048 (new_temp_expr_table): Initialize expr_vars.
5049 (free_temp_expr_table): Cleanup expr_vars.
5050 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5051 expressions from being merged into one.
5052 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5053 (struct tree_niter_desc): Add control, bound and cmp fields.
5054 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5056 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5057 (tree-cfgcleanup.o): Add SCEV_H dependency.
5058 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5059 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5061 2006-02-14 Richard Guenther <rguenther@suse.de>
5063 PR tree-optimization/26258
5064 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5065 in PHI argument processing.
5067 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5069 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5070 new expression in the requested machine mode.
5072 2006-02-13 Roger Sayle <roger@eyesopen.com>
5074 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5075 directly, instead let do_compare_rtx_and_jump handle this for us.
5076 * expr.c (expand_expr_real_1): Likewise.
5077 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5078 before do_jump_by_parts_greater.
5079 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5080 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5082 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5084 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5086 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5088 PR rtl-optimization/26235
5089 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5090 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5093 2006-02-13 Jeff Law <law@redhat.com>
5095 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5098 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5101 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5102 twice if decl is a builtin. When trying again, call get_callee_fndecl
5103 first to verify it is still a builtin.
5105 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5107 * dwarf2out.c (base_type_die): Don't add AT_name here.
5108 (subrange_type_die): Don't add AT_name here.
5109 (modified_type_die): Rearrange code flow. Do add AT_name here.
5111 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5113 PR rtl-optimization/26247
5114 PR rtl-optimization/26248
5115 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5117 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5119 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5120 * config/fixtfdi.c: Likewise.
5121 * config/fixunstfdi.c: Likewise.
5122 * config/floatditf.c: Likewise.
5124 2006-02-13 Roger Sayle <roger@eyesopen.com>
5127 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5128 into (X,C2) if C1 is a subset of the bits of C2. Transform
5129 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5131 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5133 2006-02-13 Josh Conner <jconner@apple.com>
5136 * varasm.c (function_section): Check for section name before
5137 calling select_section on targets that define
5138 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5139 unlikely_text_section instead of hot_function_section if
5140 first_function_block_is_cold.
5142 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5145 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5147 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5149 PR rtl-optimization/26222
5150 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5151 after tree->rtl expansion.
5152 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5153 before passing it to emit_move_insn.
5155 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5157 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5159 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5160 Clarify documentation.
5161 * c-common.h (warn_write_strings): Remove.
5162 * c-common.c (warn_write_strings): Likewise.
5163 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5166 2006-02-12 Roger Sayle <roger@eyesopen.com>
5169 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5170 (do_jump_parts_zero_rtx): New function renamed from
5171 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5172 (do_jump_parts_equality_rtx): New function split out from
5173 do_jump_parts_equality. Old implementation renamed as above.
5174 Call do_jump_parts_zero_rtx if either operand is zero.
5175 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5176 do all of the heavy lifting.
5177 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5178 calling either do_jump_by_parts_greater_rtx or
5179 do_jump_by_parts_equality_rtx.
5180 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5181 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5182 moved to do_compare_rtx_and_jump, call it directly.
5183 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5184 mode argument. Call do_compare_rtx_and_jump.
5185 (emit_case_nodes): Update calls to do_jump_if_equal.
5187 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5189 PR rtl-optimization/26225
5190 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5192 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5194 PR rtl-optimization/26232
5195 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5197 2006-02-11 Jason Merrill <jason@redhat.com>
5200 * tree-inline.c (declare_return_variable): Just don't use the
5201 modify target if it's a gimple complex reg and the return slot
5204 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5206 * doc/contrib.texi: Update my entry.
5208 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5210 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5212 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5214 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5217 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5219 * doc/invoke.texi (-floop-optimize2): Removed.
5220 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5221 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5222 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5223 * common.opt (floop-optimize2): Removed.
5224 (fmove-loop-invariants): Enabled by default.
5226 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5228 * tree-if-conv.c (combine_blocks): Free the result of
5229 get_loop_exit_edges.
5231 2006-02-10 Jeff Law <law@redhat.com>
5233 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5235 PR tree-optimization/26213
5236 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5237 loop trying to follow SSA_NAME_VALUE chains.
5239 2006-02-10 Richard Guenther <rguenther@suse.de>
5241 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5242 deal with structures that end in implicitly variable sized arrays.
5244 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5246 PR rtl-optimization/24762
5247 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5250 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5252 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5253 (struct ivopts_data): Add regs_used field.
5254 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5255 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5256 instead of loop_data->regs_used;
5257 (free_loop_data): Do not free aux fields for loops.
5258 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5259 and tree_ssa_iv_optimize_finalize.
5261 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5263 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5265 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5268 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5269 computing the effective result type.
5271 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5274 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5275 (tree_overlaps_hard_reg_set): Declare.
5276 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5277 type and signature to match function type expected by walk_tree.
5278 (tree_overlaps_hard_reg_set): New function.
5279 (decl_conflicts_with_clobbers_p): Rename to:
5280 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5281 Use tree_overlaps_hard_reg_set. Changed caller.
5282 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5283 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5284 * cris.c (cris_md_asm_clobbers): Likewise.
5286 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5288 * reload1.c (emit_input_reload_insns): Delete code that tries to
5289 inherit using find_equiv_reg.
5291 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5293 * c-common.h (flag_const_strings): Don't declare.
5294 * c-common.c (flag_const_strings): Remove.
5295 * c.opt (fconst_strings): Remove.
5296 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5297 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5298 (c_common_init_options): Don't set flag_const_strings.
5299 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5301 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5303 * arm.md (tlobits_cbranch): New pattern.
5304 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5305 testing a single bit.
5307 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5310 * tree-ssa-pre.c (create_component_ref_by_pieces):
5311 Handle RETURN_DECL like VAR_DECL.
5313 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5316 * fold-const.c (fold_indirect_ref_1): Fold
5317 "*(foo *)&complexfoo" to "__real__ complexfoo"
5318 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5320 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5322 * tree-flow-inline.h (var_can_have_subvars):
5323 Volatile variables should not have subvariables.
5325 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5328 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5329 multiplying unsigned values.
5332 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5334 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5336 2006-02-08 Jason Merrill <jason@redhat.com>
5339 * tree.def: Elaborate on difference from MODIFY_EXPR.
5340 * doc/c-tree.texi (INIT_EXPR): Likewise.
5341 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5342 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5343 (gimplify_target_expr): Likewise.
5344 (gimplify_cond_expr): Remove target handling.
5345 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5346 (gimplify_expr): Clobber it here.
5347 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5348 Do return slot optimization if we have an INIT_EXPR.
5351 * tree-inline.c (declare_return_variable): Also clear
5352 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5355 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5358 * gimplify.c (gimplify_one_sizepos): Fix typo.
5360 2006-02-08 Jeff Law <law@redhat.com>
5362 PR tree-optimization/21417
5363 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5364 across a backedge if the control statement at the end of the
5365 block is data dependent on other statements in the same block.
5366 (record_temporary_equivalences_from_stmts): Remove over-conservative
5367 test for threading across backedges.
5369 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5370 control statement, handle all three special cases in the same
5371 manner as they all have the same desired solution. No longer
5372 special case edge flag updating when the post dominator is
5375 2006-02-08 Roger Sayle <roger@eyesopen.com>
5377 * tree.def (CHAR_TYPE): Remove.
5378 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5379 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5380 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5381 (gen_string_type_die): Delete unreachable function.
5383 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5384 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5385 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5386 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5387 * builtins.c (type_to_class): Likewise.
5388 * fold-const.c (fold_convert, build_range_check,
5389 merge_ranges): Likewise.
5390 * expr.c (count_type_elements): Likewise.
5391 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5392 * stor-layout.c (layout_type): Likewise.
5393 * ipa-type-escape.c (type_to_consider): Likewise.
5394 * gimplify.c (omp_firstprivatize_type_sizes,
5395 gimplify_type_sizes): Likewise.
5396 * explow.c (promote_mode): Likewise.
5397 * tree-sra.c (is_sra_scalar_type): Likewise.
5398 * varasm.c (output_constant): Likewise.
5399 * tree-inline.c (remap_type_1): Likewise.
5400 * convert.c (convert_to_pointer, convert_to_real,
5401 convert_to_integer, convert_to_complex): Likewise.
5403 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5405 * df-scan.c (df_def_record_1): A set destination may
5406 be a parallel regardless of mode.
5408 2006-02-08 Roger Sayle <roger@eyesopen.com>
5411 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5412 * config/mips/_tilib.c: Remove.
5413 * config/fixtfdi.c: New libgcc source file.
5414 * config/fixunstfdi.c: New source file.
5415 * config/floatditf.c: New source file.
5416 * config/floatunditf.c: New souce file.
5417 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5418 files above instead of config/mips/_tilib.c.
5419 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5421 2006-02-08 Jeff Law <law@redhat.com>
5423 PR tree-optimization/26169
5424 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5427 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5429 * df.h (DF_REG_SIZE): Return the length of the initialized
5432 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5434 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5435 __muldf3): Return a correctly signed zero.
5437 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5439 * passes.c (register_one_dump_file): Accept the current properties
5440 instead of pass number. Adjust call to dump_register. Remove
5442 (register_dump_files): Now a wrapper around...
5443 (register_dump_files_1): ... this one. Do not modify the pass
5445 (next_pass_1): Cosmetic fix.
5446 (execute_todo): Keep second parameter only. Use curr_properties
5447 instead of fetching it from the pass structure. Check and set
5449 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5450 instead of fetching it from the pass structure. Fix calls to
5451 execute_todo. Update curr_properties and initialize .vcg RTL dump
5452 after running the pass. Reset last_verified.
5453 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5455 (FIRST_AUTO_NUMBERED_DUMP): New.
5456 (dump_register): Remove "num" parameter, assign it within the
5458 (get_dump_file_name): Modify template for dumps.
5459 * tree-dump.h (dump_register): Adjust prototype.
5460 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5461 (PROP_trees): Add PROP_gimple_lomp.
5462 (TODO_set_props): New.
5463 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5464 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5465 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5467 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5469 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5470 (sparc64-*-linux*): Likewise.
5471 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5472 * config/sparc/t-linux: New file.
5473 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5474 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5475 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5476 -m32 -mlong-double-128.
5478 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5479 * config/alpha/t-linux: New file.
5480 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5482 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5483 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5484 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5485 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5486 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5487 (CPP_ARCH32_SPEC): Remove.
5489 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5491 PR tree-optimization/26145
5492 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5495 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5498 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5499 >= 240000 when generating code for SOM runtime.
5500 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5501 to $$dyncall when generating code for SOM runtime..
5503 2006-02-07 Dirk Mueller <dmueller@suse.com>
5506 * doc/invoke.texi (-Wsequence-point): Update documentation
5507 that -Wsequence-point is implemented for C++ as well.
5509 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5511 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5512 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5513 (LIB_SPEC): Likewise.
5514 * doc/invoke.texi (SPARC options): Document -pthread.
5516 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5518 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5521 2006-02-07 Roger Sayle <roger@eyesopen.com>
5523 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5524 Correct comment describing BOOLEAN_TYPE.
5526 2006-02-07 Dirk Mueller <dmueller@suse.com>
5528 * c.opt: C++ frontend supports -Wdiv-by-zero.
5529 * c-opts.c (c_common_handle_option): Remove dead case.
5531 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5533 * configure.ac (TLS assembler check): Do not enable TLS by
5534 default on SPARC/Solaris before version 10.
5535 * configure: Regenerate.
5537 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5539 * doc/invoke.texi (xl-compat): Document conversion and support
5542 2006-02-07 Jeff Law <law@redhat.com>
5544 * tree-vrp.c (find_conditional_asserts): Update comments.
5545 (simplify_stmt_for_jump_threading): New.
5546 (identify_jump_threads, finalize_jump_threads): New.
5547 (vrp_finalize): Call identify_jump_threads.
5548 (execute_vrp): Call finalize_jump_threads.
5549 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5550 (vrp_element, vrp_data, vrp_element_p): Remove.
5551 (vrp_hash_elt, vrp_variables_stack): Remove.
5552 (vrp_hash, vrp_eq, record_range): Remove.
5553 (simplify_cond_and_lookup_avail_expr): Remove.
5554 (extract_range_from_cond): Remove.
5555 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5556 (simplify_stmt_for_jump_threading): New.
5557 (dom_thread_across_edge): New wrapper.
5558 (tree_ssa_dominator_optimize): No longer initialize or
5559 finalize any of the VRP datastructures. Remove iteration
5560 step and simplify as a result of removal of iteration step.
5561 (pass_dominator): Perform a cfg cleanup after DOM.
5562 (dom_opt_finalize_block): Use the new common routines
5563 for threading jumps. Simplify stack management slightly.
5564 No longer need to unwind VRP state.
5565 (record_equivalences_from_incoming_edge): No longer record
5567 (eliminate_redundant_computations): No longer call
5568 simplify_cond_and_lookup_avail_expr.
5569 * tree-flow.h (potentially_threadable_block): Prototype.
5570 (thread_across_edge): Likewise.
5571 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5572 (tree-ssa-threadedge.o): Add dependencies.
5573 * tree-ssa-threadedge.c: New file.
5574 * passes.c (init_optimization_passes): Merge PHIs before
5575 calling VRP. Run VRP again late in the SSA optimization pipeline.
5577 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5579 * df-core.c (df_set_blocks): Do not dereference function pointers.
5580 (df_finish1): Likewise.
5581 (df_hybrid_search_forward): Likewise.
5582 (df_hybrid_search_backward): Likewise.
5583 (df_iterative_dataflow): Likewise.
5584 (df_analyze_problem): Likewise.
5585 (df_compact_blocks): Likewise.
5586 (df_dump): Likewise.
5587 * df-scan.c (df_rescan_blocks): Likewise.
5588 (df_record_entry_block_defs): Likewise.
5590 * genconditions.c (write_conditions): Guard the definition of
5591 'insn_conditions' with the check on GCC version.
5592 (write_writer): Guard the traversal 'insn_conditions' with
5593 the check on GCC version.
5595 2006-02-07 Richard Guenther <rguenther@suse.de>
5599 2006-01-30 Richard Guenther <rguenther@suse.de>
5601 * gimplify.c (gimplify_target_expr): Handle easy cases
5602 without creating a temporary.
5604 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5606 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5607 use of float in probability computations. Use edge probabilities
5608 in place of statically computed probabilities.
5609 (min_spec_prob): New static variable.
5610 (schedule_insns): Initialize it.
5611 (GET_SRC_PROB): Removed.
5612 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5614 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5617 * config/ia64/unwind-ia64.c: Revert last change.
5618 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5619 (INCOMING_FRAME_SP_OFFSET): Define.
5621 2006-02-06 Roger Sayle <roger@eyesopen.com>
5623 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5625 2006-02-07 Ben Elliston <bje@au.ibm.com>
5627 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5628 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5629 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5630 (ix86_return_in_memory): Handle TDmode.
5631 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5632 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5634 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5636 * reorg.c (dbr_schedule): Use dump_file instead of file.
5638 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5641 * config/ia64/predicates.md (extr_len_operand): New predicate.
5642 * config/ia64/ia64.md (extv): Tighten constraints.
5644 (*tbit_and_2): Ditto.
5645 (*tbit_and_3): Ditto.
5646 (*tbit_or_2): Ditto.
5647 (*tbit_or_3): Ditto.
5651 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5654 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5656 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5658 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5659 loop_optimizer_init and loop_optimizer_finalize
5660 * tree-ssa-sink.c (execute_sink_code): Ditto.
5661 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5662 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5663 tree_ssa_loop_done): Ditto.
5664 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5665 * sched-ebb.c: Include output.h.
5666 (schedule_ebbs): Do not use dump argument.
5667 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5668 * loop.c (loop_dump_stream): Removed.
5669 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5671 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5672 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5673 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5674 loop_iterations, strength_reduce, record_biv, record_giv,
5675 final_giv_value, check_final_value, check_ext_dependent_givs,
5676 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5677 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5678 dump_file instead of loop_dump_stream.
5679 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5681 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5683 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5684 * haifa-sched.c: Include output.h
5685 (schedule_insns, sched_init): Do not use dump argument.
5686 * mode-switching.c (optimize_mode_switching): Ditto.
5687 * modulo-sched.c (stats_file): Removed.
5688 (print_node_sched_params): Do not call argument dump_file.
5689 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5690 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5692 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5694 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5695 rtl_loop_init, rtl_loop_done): Ditto.
5696 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5697 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5699 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5700 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5701 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5702 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5703 * emit-rtl.c (renumber_insns): Ditto.
5704 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5705 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5706 * regclass.c (regclass): Ditto.
5707 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5708 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5709 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5710 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5712 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5713 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5715 * gcse.c (gcse_file, debug_stderr): Removed.
5716 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5717 rest_of_handle_gcse): Do not use dump argument.
5718 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5719 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5720 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5721 compute_code_hoist_vbeinout, compute_code_hoist_data,
5722 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5723 compute_store_table, build_store_vectors, insert_insn_start_bb,
5724 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5725 store_motion): Use dump_file instead of gcse_file.
5726 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5727 * profile.c (profile_dump_file): Removed.
5728 (branch_prob): Use dump_file instead of profile_dump_file.
5729 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5731 * tree-ssa-copy.c (dump_copy_of): Ditto.
5732 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5733 dump file to life_analysis.
5734 * bt-load.c (branch_target_load_optimize): Ditto.
5735 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5737 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5738 regclass, dbr_schedule): Declaration changed.
5739 * sched-int.h (sched_init): Declaration changed.
5740 * tree-profile.c (tree_profile_dump_file): Removed.
5741 (tree_profile_hooks): Removed profile_dump_file hook.
5742 * rtl-profile (rtl_profile_dump_file): Removed.
5743 (rtl_profile_hooks): emoved profile_dump_file hook.
5744 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5746 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5747 * tree-cfg.c (build_tree_cfg): Ditto.
5748 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5749 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5750 Declaration changed.
5751 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5752 life_analysis and schedule_insns.
5753 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5755 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5757 * config/mips/mips.c (mips_reorg): Ditto.
5758 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5761 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5763 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5764 (s390_mangle_fundamental_type): New.
5765 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5768 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5769 (alpha_mangle_fundamental_type): New.
5770 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5773 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5775 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5777 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5778 (sparc_mangle_fundamental_type): New.
5780 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5782 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5783 (s390x-*-linux*): Likewise.
5784 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5785 * config/s390/t-linux: New file.
5787 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5789 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5790 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5792 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5794 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5795 (ANTIC_SAFE_LOADS): New macro.
5796 (find_or_generate_expression): Add prototype.
5797 (set_contains_value): Allow null set for sake of not always having
5798 to allocate ANTIC_SAFE_LOADS.
5799 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5800 Allow COMPONENT_REF too.
5801 (valid_in_set): Allow COMPONENT_REF.
5802 Check ANTIC_SAFE_LOADS too.
5803 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5804 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5806 (can_PRE_operation): Add COMPONENT_REF.
5807 (create_component_ref_by_pieces): New function.
5808 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5809 (insert_aux): Move AGGREGATE_TYPE_P check here.
5810 (compute_avail): Set bb local stmt uids.
5811 (pass_pre): Use TODO_update_ssa_only_virtuals.
5813 2006-02-06 Ben Elliston <bje@au.ibm.com>
5815 * configure.ac: Unconditionally disable decimal float by default.
5816 * configure: Regenerate.
5818 2006-02-06 Ben Elliston <bje@au.ibm.com>
5820 * read-rtl.c (read_name): Terminate reading on EOF.
5822 2006-02-06 Ben Elliston <bje@au.ibm.com>
5824 * dfp.c (decimal_real_arithmetic): Change second argument type
5825 from int to enum tree_code. Do not always return true, but now
5826 return result of any call to decimal_do helper functions.
5827 * dfp.h (decimal_real_arithmetic): Update prototype.
5829 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5831 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5833 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5836 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5839 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5841 * tree-vrp.c (cfg_loops): Removed.
5842 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5843 Use current_loops instead of cfg_loops. Pass flags to
5844 loop_optimizer_init.
5845 * cfgloopmanip.c (fix_loop_structure): Update only available
5847 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5848 loop_optimizer_init.
5849 * modulo-sched.c (build_loops_structure): Removed.
5850 (sms_schedule): Use loop_optimizer_init.
5851 * loop-init.c (loop_optimizer_init): Use flags to determine
5852 which properties of loops to prepare.
5853 (rtl_loop_init): Pass flags to loop_optimizer_init.
5854 * tree-ssa-sink.c (execute_sink_code): Ditto.
5855 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5856 * tree-ssa-pre.c (init_pre): Ditto.
5857 * cfgloop.h (LOOPS_NORMAL): New.
5858 (loop_optimizer_init): Declaration changed.
5860 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5862 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5863 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5865 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5867 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5869 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5870 * pa/t-pa64: Delete quadlib.c rule.
5871 * pa/x-ada: Revert last change.
5872 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5874 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5876 PR rtl-optimization/26087
5877 * rtlanal.c (canonicalize_condition): Do not cross basic block
5880 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5883 * config/ia64/ia64.c: Include debug.h.
5884 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5885 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5886 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5887 (process_epilogue, process_set, process_for_unwind_directive):
5888 Output unwind info only if requested. Add CFA info if requested.
5889 Add new arguments as needed. Adjust callers.
5890 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5892 (DWARF2_FRAME_INFO): Define to zero.
5893 * config/ia64/unwind-ia64.c: Remove code that compensated for
5894 the CFA offset error fixed above.
5895 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5896 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5897 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5898 -funwind-tables and -fexceptions to enable frame info.
5899 (dwarf2out_frame_init): Define initial CFA even if
5900 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5901 DWARF2_UNWIND_INFO is nonzero, not just defined.
5902 (dwarf2out_frame_finish): Output non-EH call frame info only
5903 if DWARF2_FRAME_INFO is nonzero.
5904 (convert_cfa_to_loc_list,
5905 compute_frame_pointer_to_cfa_displacement): Define even if
5906 unwind info is not supported.
5907 (gen_subprogram_die): Use the above unconditionally. Remove
5908 legacy alternate code.
5909 * toplev.c (compile_file): Compile in call to
5910 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5911 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5913 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5914 Jakub Jelinek <jakub@redhat.com>
5916 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5917 IBM extended float format long double as "g" on powerpc*-linux.
5919 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5922 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5923 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5925 2006-02-03 Jason Merrill <jason@redhat.com>
5928 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5931 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5932 on the return slot if it's an NRV.
5934 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5936 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5937 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5938 rewrite_use): Do not handle USE_OUTER.
5939 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5940 add_iv_outer_candidates, may_replace_final_value,
5941 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5942 (find_interesting_uses_op): Functionality of
5943 find_interesting_uses_outer_or_nonlin moved here.
5944 (find_interesting_uses_outside): Use find_interesting_uses_op.
5946 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5949 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5951 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5952 Ulrich Weigand <uweigand@de.ibm.com>
5955 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5956 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5957 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5958 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5960 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5961 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5962 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5963 Define secondary reloads for TFmode moves.
5964 (constant_modes): Add TFmode.
5965 (NR_C_MODES): Set to 8.
5966 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5968 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5969 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5970 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5971 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5972 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5973 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5974 (FPR mode macro): Add TFmode.
5975 (DSF mode macro): New.
5976 (<de>, <dee> mode attributes): Removed.
5977 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5978 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5979 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5980 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5981 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5982 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5983 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5984 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5985 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5986 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5987 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5988 "*negabs<mode>2", "sqrt<mode>2"):
5989 Changed <de> to <xde>. R constraint replaced by <Rf>.
5990 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5992 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5993 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5994 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5996 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5997 "extenddftf2", "extendsftf2"): New expanders.
5998 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5999 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6000 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6001 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6003 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6004 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6005 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6006 __floatditf): Add a GCC_4.1.0 symbol version tag.
6007 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6010 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6013 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6014 Use targetm.binds_local_p instead of TREE_PUBLIC.
6016 2006-02-02 Roger Sayle <roger@eyesopen.com>
6018 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6019 on INTEGER_TYPEs to indicate that it denotes a character type.
6020 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6021 signed_char_type_node, unsigned_char_type_node and char_type_node.
6022 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6023 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6024 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6026 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6027 Daniel Berlin <dberlin@dberlin.org>
6029 * tree-tailcall.c (arg_needs_copy_p): New function.
6030 (eliminate_tail_call): Use arg_needs_copy_p.
6031 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6032 (add_virtual_phis): New function.
6034 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6036 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6037 #ignore instead of #scratch for %g7 .register directive.
6039 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6041 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6044 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6046 * flow.c (calculate_global_regs_live): Assert that there aren't any
6049 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6051 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6053 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6054 bsi_after_labels iterator.
6055 * tree-if-conv.c (find_phi_replacement_condition,
6056 replace_phi_with_cond_modify_expr): Likewise.
6057 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6058 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6060 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6062 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6064 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6067 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6068 array after growing it.
6070 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6073 * fold-const.c (fold_checksum_tree): Change type of buf.
6075 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6077 * reload.c (push_secondary_reload): Initialize t_icode.
6079 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6081 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6082 -msoft-float -mlong-double-128 only issue a warning, but don't
6083 swich to DFmode long double.
6085 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6087 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6088 has a constant equivalent, iterate over equivalents for arg0,
6089 calling simplify_relational_operation and if there's a result
6090 cheaper than X, apply fold_rtx and return the result.
6092 2006-02-01 Jan Hubicka <jh@suse.cz>
6094 * opts.c (no_unit_at_a_time_default): New global variable.
6095 (decode_options): Use it.
6096 * opts.h (no_unit_at_a_time_default): Declare.
6098 2006-02-01 Paul Brook <paul@codesourcery.com>
6100 * function.c (assign_parm_setup_reg): Use function argument promotion
6102 * expr.c (expand_expr_real_1): Use function argument promotion rules
6105 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6107 * gcc.c (process_command): Change j to 'unsigned int'.
6109 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6112 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6113 Use the corrected index for the character
6114 out of the string constant.
6116 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6118 * mode-switching.c (optimize_mode_switching): Fix size
6119 allocated for bb_info[n_entities].
6121 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6123 * gcc.c (main): Correct type that is allocated for
6124 explicit_link_files.
6126 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6128 * config/s390/s390.c (init_alignment_context): Set
6129 ALIAS_SET_MEMORY_BARRIER on the MEM.
6130 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6132 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6135 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6137 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6140 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6142 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6143 * regrename.c: Ditto.
6144 * tree-ssa-loop-im.c: Ditto.
6145 * tree-dump.c: Ditto.
6146 * tree-complex.c: Ditto.
6147 * genrecog.c: Ditto.
6148 * tree-ssa-threadupdate.c: Ditto.
6150 * java/class.c: Ditto.
6151 * java/jcf-parse.c: Ditto.
6152 * java/resource.c: Ditto.
6153 * java/except.c: Ditto.
6154 * java/jvspec.c: Ditto.
6155 * java/jcf-write.c: Ditto.
6156 * java/jcf-path.c: Ditto.
6157 * java/gjavah.c: Ditto.
6158 * java/zextract.c: Ditto.
6159 * java/jcf-io.c: Ditto.
6160 * java/jcf.h: Ditto.
6161 * java/buffer.c: Ditto.
6162 * java/lang.c: Ditto.
6163 * java/parse-scan.y: Ditto.
6164 * java/lex.c: Ditto.
6165 * java/lex.h: Ditto.
6166 * cfgloopmanip.c: Ditto.
6167 * postreload-gcse.c: Ditto.
6168 * tree-ssa-loop-manip.c: Ditto.
6169 * postreload.c: Ditto.
6170 * tree-ssa-loop-ch.c: Ditto.
6174 * diagnostic.c: Ditto.
6176 * genoutput.c: Ditto.
6178 * cfghooks.c: Ditto.
6179 * cfgloopanal.c: Ditto.
6180 * objc/objc-act.c: Ditto.
6182 * genextract.c: Ditto.
6183 * genautomata.c: Ditto.
6184 * pretty-print.c: Ditto.
6186 * cgraphunit.c: Ditto.
6189 * haifa-sched.c: Ditto.
6190 * dominance.c: Ditto.
6192 * tree-ssa-loop-ivopts.c: Ditto.
6194 * mode-switching.c: Ditto.
6195 * modulo-sched.c: Ditto.
6197 * ipa-pure-const.c: Ditto.
6199 * fix-header.c: Ditto.
6201 * tree-stdarg.c: Ditto.
6202 * ipa-utils.c: Ditto.
6203 * loop-init.c: Ditto.
6204 * ipa-inline.c: Ditto.
6207 * alloc-pool.c: Ditto.
6208 * dwarf2out.c: Ditto.
6210 * genattrtab.c: Ditto.
6211 * tree-ssa-loop-ivcanon.c: Ditto.
6215 * fortran/gfortranspec.c: Ditto.
6217 * local-alloc.c: Ditto.
6218 * langhooks.c: Ditto.
6219 * function.c: Ditto.
6220 * tree-vectorizer.c: Ditto.
6222 * ipa-type-escape.c: Ditto.
6224 * tree-if-conv.c: Ditto.
6227 * tree-data-ref.c: Ditto.
6228 * loop-unroll.c: Ditto.
6229 * treelang/treetree.c: Ditto.
6232 * ggc-common.c: Ditto.
6234 * coverage.c: Ditto.
6236 * tree-cfgcleanup.c: Ditto.
6237 * tree-ssa-pre.c: Ditto.
6238 * cfgcleanup.c: Ditto.
6239 * loop-invariant.c: Ditto.
6241 * ipa-prop.c: Ditto.
6242 * print-tree.c: Ditto.
6243 * conflict.c: Ditto.
6244 * ggc-page.c: Ditto.
6245 * sched-deps.c: Ditto.
6246 * regclass.c: Ditto.
6247 * tree-object-size.c: Ditto.
6249 * bb-reorder.c: Ditto.
6250 * resource.c: Ditto.
6251 * var-tracking.c: Ditto.
6253 * df-problems.c: Ditto.
6254 * reg-stack.c: Ditto.
6257 * sched-rgn.c: Ditto.
6258 * tree-ssa-structalias.c: Ditto.
6259 * tree-ssa-reassoc.c: Ditto.
6260 * config/darwin-c.c: Ditto.
6261 * config/darwin.c: Ditto.
6262 * config/arm/arm.c: Ditto.
6264 * collect2.c: Ditto.
6267 2006-01-31 Nicolas Pitre <nico@cam.org>
6269 * arm.md (smaxsi3): Make aware of smax_m1.
6272 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6274 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6276 2006-01-31 Richard Guenther <rguenther@suse.de>
6278 * doc/invoke.texi (-msselibm): Document.
6279 * target.h (expand_library_builtin): New target hook.
6280 * builtins.c (expand_builtin): Use expand_library_builtin.
6281 (default_expand_library_builtin): New function.
6282 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6283 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6284 (link_gcc_math_spec): Declare.
6285 (static_specs): Add link_gcc_math_spec.
6286 * expr.h (default_expand_library_builtin): Declare.
6287 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6288 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6289 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6290 * config/i386/i386.opt (msselibm): New target option.
6291 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6292 (ix86_init_sse_abi_builtins): New function.
6293 (ix86_expand_library_builtin): Likewise.
6294 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6295 (override_options): Handle error conditions wrt -msselibm.
6296 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6297 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6298 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6301 2006-01-31 Richard Guenther <rguenther@suse.de>
6302 Paolo Bonzini <bonzini@gnu.org>
6304 * doc/install.texi (--disable-libgcc-math): Document.
6306 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6308 * expr.h (expand_normal): new inline function.
6309 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6311 * dwarf2out.c: use it.
6316 * config/sparc/sparc.c: use it.
6317 * config/i386/i386.c: use it.
6318 * config/rs6000/rs6000.c: use it.
6319 * config/arm/arm.c: use it.
6320 * config/mips/mips.c: use it.
6321 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6323 2006-01-30 Roger Sayle <roger@eyesopen.com>
6325 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6326 argv to the appropriate type.
6328 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6330 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6333 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6336 * config/s390/s390.c (struct machine_function): New flag
6337 decomposed_literal_pool_addresses_ok_p.
6338 (s390_reorg): Set it before final stage of literal pool transforms.
6339 (s390_decompose_address): Only accept displacements of the form
6340 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6342 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6344 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6345 the comparison routine return.
6347 2006-01-30 Michael Matz <matz@suse.de>
6349 * global.c (find_reg): Only evict for global regs.
6350 Take n_refs into account and dump more info.
6352 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6355 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6356 (pragma_trap, pragma_nosave_low_regs): Likewise.
6357 (current_function_anonymous_args): Likewise.
6358 (sh_deferred_function_attributes): New variable.
6359 (sh_deferred_function_attributes_tail): Likewise.
6360 (print_operand): For '@', look up trap_exit attribute.
6361 (calc_live_regs): Look up trapa_handler attribute. For trapa
6362 handlers, save/restore fpscr, but don't do any other
6363 interrupt-specific saves.
6364 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6365 Fix check for partially saved registers to check for SHmedia.
6366 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6367 (sh_output_function_epilogue): Don't clear any of the removed
6369 (sh_insert_attributes): Don't check pragma_interrupt.
6370 Insert deferred attributes. Check that interrupt attribute is
6371 present for other attributes that require its presence.
6372 (sh_attribute_table): Add new attributes trapa_handler and
6374 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6375 Don't check for pragma_interrupt. Don't store argument.
6376 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6377 (sh_deferred_function_attributes): Declare.
6378 (sh_deferred_function_attributes_tail): Likewise.
6379 * sh.md (sp_switch_1): Add operand. Change generator caller.
6380 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6381 (*return_i): Don't use when trap_exit attribute is in effect.
6382 (*return_trapa): New insn pattern.
6384 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6385 setting c_target_objs and cxx_target_objs.
6386 * t-sh: Add rule for sh-c.o.
6388 2006-01-30 Richard Guenther <rguenther@suse.de>
6391 * gimplify.c (gimplify_target_expr): Handle easy cases
6392 without creating a temporary.
6394 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6396 * vec.h (safe_grow): Remove duplicated line.
6398 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6401 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6402 (expand_omp): ... here.
6403 (expand_omp_parallel): Only remove barriers for combined
6404 parallel+workshare constructs.
6406 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6410 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6411 * tree.c (build_qualified_type): Chain the new type to the original
6412 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6413 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6414 (build_pointer_type_for_mode): Only return unqualified types.
6415 (build_reference_type_for_mode): Likewise.
6417 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6419 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6420 * Makefile.in (CXX_COMPAT_WARN): Define.
6421 * configure: Regenerate.
6423 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6426 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6429 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6431 * toplev.c: Fix thinko.
6433 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6434 Marcin Dalecki <martin@dalecki.de>
6436 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6437 (push_srcloc): Use XNEW.
6438 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6440 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6442 * df-core.c (df_set_blocks): Deleted all variable.
6444 2006-01-28 Ian Lance Taylor <ian@airs.com>
6446 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6447 cgraph_output_pending_asms.
6449 2006-01-28 Zack Weinberg <zackw@panix.com>
6451 * c.opt: Add -W(no-)overlength-strings.
6452 * doc/invoke.texi: Document it.
6453 * c-opts.c (c_common_handle_option): -pedantic implies
6454 -Woverlength-strings, if not explicitly disabled already.
6455 (c_common_post_options): -Woverlength-strings defaults to off, and
6456 is always off for C++.
6457 * c-common.c (fix_string_type): Issue warning about strings longer
6458 than is portable only if warn_overlength_strings. Rearrange code
6459 a little for clarity.
6460 * configure.in: Check for -Wno-overlength-strings as well before
6461 enabling -pedantic in stage 1.
6462 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6463 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6465 * genconditions.c (write_header, write_one_condition)
6466 (write_conditions, write_writer): Consolidate very long strings
6467 that were broken up to fit in C89 portable limit. Don't use
6468 printf when fputs will do.
6470 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6472 * combine.c (simplify_comparison <AND>): Check
6473 TRULY_NOOP_TRUNCATION before start using a subreg.
6475 * config/mips/mips.md (*branch_zero<mode>,
6476 *branch_zero<mode>_inverted, *branch_equality<mode>,
6477 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6478 Remove mode check from comparisons.
6480 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6482 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6484 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6486 * expmed.c (const_mult_add_overflow_p): Remove.
6487 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6489 * recog.c (validate_replace_rtx_subexp): Remove.
6490 * recog.h: Remove the prototype for
6491 validate_replace_rtx_subexp.
6493 * integrate.h: Remove the prototype for
6494 copy_decl_for_inlining.
6495 * rtl.h: Remove the prototype for mark_constant_function.
6496 * tree-vectorizer.h: Remove the prototype for
6497 vect_strip_conversion.
6499 * modulo-sched.c (create_partial_schedule,
6500 free_partial_schedule, reset_partial_schedule): Make them
6503 * hooks.c (hook_bool_rtx_int_false): Remove.
6504 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6506 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6508 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6509 and -mlong-double-128 are incompatible.
6510 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6511 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6512 (TARGET_LIBGCC2_CFLAGS): Define.
6513 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6514 (TARGET_LIBGCC2_CFLAGS): Same.
6515 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6517 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6520 * c-typeck.c (build_binary_op): Perform implicit casts of
6521 operands before shortening them.
6523 * cfgloopmanip.c (split_loop_bb): Remove.
6524 * cfgloop.h: Remove the prototype for split_loop_bb.
6526 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6527 * cfgloop.h: Remove the prototype for
6528 flow_loop_outside_edge_p.
6530 * emit-rtl.c (init_virtual_regs): Make it static.
6531 * function.h: Remove the prototype for init_virtual_regs.
6533 * recog.c (peephole2_optimize): Make it static.
6534 * recog.h: Remove the prototype for peephole2_optimize.
6536 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6538 * df-scan.c (df_record_entry_block_defs): Check if
6539 INCOMING_RETURN_ADDR_RTX is defined.
6541 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6542 Kenneth Zadeck <zadeck@naturalbridge.com>
6544 PR rtl-optimization/24762
6545 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6546 * targhooks.c (hook_void_bitmap): New hook prototype.
6547 * targhoohs.h (hook_void_bitmap): Ditto.
6548 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6549 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6550 * target.h (live_on_entry): New function pointer.
6551 * df-scan.c (df_all_hard_regs): Removed.
6552 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6553 (df_scan_free_internal): Added df->entry_block_defs.
6554 (df_scan_alloc): Ditto.
6555 (df_scan_dump): Ditto.
6556 (df_uses_record): Plumbed flag field properly thru calls.
6557 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6558 This part fixes PR24762.
6559 (df_bb_refs_record): Added code to make the frame and arg
6560 pointers live in EH blocks.
6561 (df_refs_record): Added call to df_record_entry_block_defs.
6562 (df_record_entry_block_defs): New function.
6563 * df-core.c: Added comments to describe new artifical defs.
6564 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6565 (entry_block_defs): New field in struct df.
6566 (df_all_hard_regs): Deleted.
6567 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6568 * df-problems.c (df_ru_bb_local_compute_process_def):
6569 Added code to handle artifical defs in the entry to a function.
6570 (df_ru_bb_local_compute): Ditto.
6571 (df_rd_bb_local_compute_process_def): Ditto.
6572 (df_rd_bb_local_compute): Ditto.
6573 (df_lr_bb_local_compute): Ditto.
6574 (df_ur_bb_local_compute): Ditto.
6575 (df_urec_bb_local_compute): Ditto.
6576 (df_chain_create_bb): Ditto.
6577 (df_ur_local_finalize): Removed entry.
6578 (df_urec_init): Ditto.
6579 (df_urec_local_finalize): Ditto.
6580 (df_ri_bb_compute): Added detection of last use of pseudos.
6581 * Makefile.in (df-scan.o): Updated dependencies.
6582 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6583 * config/mips/mips.c (mips_set_live_on_entry): Added.
6584 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6586 * dce.c (marked_insn_p): Added code to handle artifical defs.
6588 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6590 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6592 (_mm_cvtsi128_si64): Likewise.
6593 (_mm_cvtsd_si64): Likewise.
6594 (_mm_cvttsd_si64): Likewise.
6595 (_mm_cvtsi64_sd): Likewise.
6596 (_mm_cvtsi64_si128): Likewise.
6597 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6598 (_mm_cvtsi64_m64): Likewise.
6599 (_m_to_int64): Likewise.
6600 (_mm_cvtm64_si64): Likewise.
6601 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6602 (_mm_cvttss_si64): Likewise.
6603 (_mm_cvtsi64_ss): Likewise.
6604 (_mm_cvtss_f32): Likewise.
6606 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6608 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6609 for pragma redefine_extname.
6611 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6614 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6615 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6616 -mno-minimal-toc to previous content.
6617 (bispecs): Remove goal.
6618 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6619 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6620 compatibility aliases on powerpc-*-*gnu*.
6621 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6622 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6623 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6624 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6625 (ldblspecs): New goal.
6626 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6627 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6629 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6630 L_sf_to_tf or L_df_to_tf is defined.
6632 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6633 Alan Modra <amodra@bigpond.net.au>
6636 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6637 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6638 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6639 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6640 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6641 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6642 (rs6000_override_options): Initialize rs6000_ieeequad.
6643 Initialize TFmode format to ibm_extended_format if not
6645 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6647 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6648 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6649 (function_arg_advance): IBM long double passed in two FPRs, not
6651 (function_arg): IBM long double passed in FPRs.
6652 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6653 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6654 Only multireg GPR aligned.
6655 (rs6000_init_libfuncs): Enable IBM long double functions if not
6657 (rs6000_generate_compare): Use IBM long double compare if not
6659 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6660 (TARGET_IEEEQUAD): Define.
6661 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6662 not TARGET_IEEEQUAD.
6663 * config/rs6000/rs6000.md: Enable TFmode patterns if
6665 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6666 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6667 and -mlong-double-128 are incompatible.
6668 * doc/invoke.texi (-mabi): Collect options together. Add
6669 ibmlongdouble and ieeelongdouble.
6671 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6673 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6675 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6676 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6677 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6678 * rtl.h (rtunion_def): Remove rt_ptr.
6680 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6681 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6682 * config/i386/winnt.c (i386_pe_mark_dllexport)
6683 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6685 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6687 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6689 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6693 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6694 pthread_key_delete. From John David Anglin. gthrw-ify
6695 pthread_getunique_np only if it it's not a macro. Delete
6697 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6698 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6699 __gthread_objc_condition_signal, __gthread_key_delete): Add
6700 "__attribute__ ((__unused__))" to unused arguments.
6701 (__gthread_recursive_mutex_init_function): Add missing return.
6702 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6703 gthr-posix95.h: Use macro-based approach for name redirection
6704 on targets missing weakref.
6706 2006-01-26 Zack Weinberg <zackw@panix.com>
6708 * genconditions.c (write_header): In generated code, #ifdef out
6709 all includes and fake declarations, except includes of bconfig.h
6710 and system.h, unless GCC_VERSION >= 3001. Do not include
6711 gensupport.h in any case.
6712 (write_conditions): Generate a definition of struct c_test. Add
6713 a comment to the generated #endif.
6714 (write_one_condition): Escape backslashes in string too.
6715 (write_writer): Generated code must escape backslashes and quote
6716 marks (but not newlines) in the strings it writes.
6717 * Makefile.in (build/gencondmd.o): Update dependencies.
6719 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6722 * Makefile.in (insn-automata.o): Add header file dependencies.
6723 * genautomata.c: Add includes.
6725 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6728 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6730 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6732 * configure.ac: Expect target tools paths to be passed from the toplevel
6733 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6735 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6737 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6740 * c.opt (Wpointer-sign): Init to -1.
6741 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6742 OPT_pedantic, to 0 otherwise.
6743 * doc/invoke.texi: Update.
6745 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6747 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6748 constants provided by 80387 instructions in the destination mode.
6750 2006-01-26 Richard Guenther <rguenther@suse.de>
6751 Andrew Pinski <pinskia@physics.uc.edu>
6754 partial PR tree-opt/17064
6755 * tree-ssa-structalias.c (intra_create_variable_infos):
6756 Create heap variables for incoming parameters if
6757 flag_argument_noalias > 1.
6758 (find_what_p_points_to): Look through default defs of
6761 2006-01-26 Jeff Law <law@redhat.com>
6764 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6765 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6766 within the VR_RANGE, use the VR_RANGE as the result, not the
6768 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6769 bounds for the type.
6771 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6773 * tree-ssa-alias.c (maybe_create_global_var): Change
6774 subvar walking to an assertion that we don't have subvar'd variables.
6776 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6779 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6780 Use a new variable, inner. PARM_DECLs are always non-weak.
6782 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6784 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6787 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6789 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6791 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6793 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6794 (smax_insn, smin_insn, smax_0, smin_0): New.
6796 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6799 * config/cris/cris.c (cris_order_for_addsi3): New function.
6800 * config/cris/cris-protos.h: Prototype it.
6801 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6802 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6803 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6804 (split for "op.S1 [rx=rx+i],ry (swapped)")
6805 (split for "op(s|u).S1 [rx=rx+i],ry")
6806 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6807 Apply cris_order_for_addsi3 when generating addsi3 insns.
6809 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6811 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6812 (TREE_BLOCK): Add call to EXPR_CHECK.
6814 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6817 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6818 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6819 (dump_omp_clauses): ... here.
6820 (dump_generic_node): Handle OMP_CLAUSE.
6821 * tree.c (omp_clause_num_ops): New.
6822 (omp_clause_code_name): New.
6823 (tree_code_size): Handle OMP_CLAUSE.
6824 (tree_size): Likewise.
6825 (make_node): Document handling of OMP_CLAUSE.
6826 (tree_node_structure): Handle OMP_CLAUSE.
6827 (omp_clause_check_failed): New.
6828 (omp_clause_range_check_failed): New.
6829 (omp_clause_operand_check_failed): New.
6830 (build_omp_clause): New.
6831 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6832 * tree.h (enum omp_clause_code): Declare.
6833 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6834 (OMP_CLAUSE_RANGE_CHECK): Define.
6835 (OMP_CLAUSE_ELT_CHECK): Define.
6836 (omp_clause_check_failed): Declare.
6837 (omp_clause_operand_check_failed): Declare.
6838 (omp_clause_range_check_failed): Declare.
6839 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6840 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6841 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6842 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6843 (OMP_CLAUSE_IF_EXPR): Likewise.
6844 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6845 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6846 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6847 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6848 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6849 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6850 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6851 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6852 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6853 (OMP_CLAUSE_CODE): Define.
6854 (OMP_CLAUSE_SET_CODE): Define.
6855 (OMP_CLAUSE_CODE): Define.
6856 (OMP_CLAUSE_OPERAND): Define.
6857 (struct tree_omp_clause): Declare.
6858 (union tree_node): Add field 'omp_clause'.
6859 * treestruct.def (TS_OMP_CLAUSE): Define.
6860 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6861 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6862 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6863 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6864 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6865 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6866 (OMP_CLAUSE): Define.
6867 * print-tree.c (print_node): Handle OMP_CLAUSE.
6868 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6869 * c-typeck.c: Likewise.
6870 * gimplify.c: Likewise.
6871 * c-omp.c: Likewise.
6872 * tree-nested.c: Likewise.
6873 * tree-inline.c: Likewise.
6874 * c-parser.c: Likewise.
6875 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6878 2006-01-25 Roger Sayle <roger@eyesopen.com>
6880 PR rtl-optimization/25703
6881 * combine.c (try_combine): Handle zero_extract and strict_low_part
6882 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6884 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6886 * global.c: Fix comment typos.
6888 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6891 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6892 Use output_addr_const instead of assemble_name.
6894 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6896 * Makefile.in (sched-vis.o): Update dependencies.
6897 * haifa-sched.c (sched_finish): Clear current_sched_info.
6898 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6899 (dump_flow_info): Call it.
6900 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6902 * basic-block.h (dump_bb_info): Declare.
6903 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6904 option, and apply options only for dump files whose TDF_RTL,
6905 TDF_TREE, or TDF_IPA bits match.
6906 * rtl.h: Declare new functions exported from sched-vis.c.
6907 * sched-vis.c: Enable also if scheduling is not used.
6908 (print_value): Print the mode of registers if not inside scheduling.
6909 (print_insn): Make it work outside the scheduler. Beautify the output
6911 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6913 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6915 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6916 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6917 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6918 depending on the value of CONSTANT_POOL_ADDRESS_P.
6919 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6921 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6922 rather than SYMBOL_REF_DECL.
6923 (rtx_constant_pool): Remove const_rtx_sym_htab.
6924 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6925 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6926 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6927 Remove handling of const_rtx_sym_htab.
6928 (find_pool_constant): Delete.
6929 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6930 rather than find_pool_constant.
6931 (get_pool_constant_for_function): Delete.
6932 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6934 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6935 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6936 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6937 (SYMBOL_REF_CONSTANT): New macro.
6938 (get_pool_constant_for_function): Delete.
6939 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6940 rather than SYMBOL_REF_DECL.
6941 (i386_pe_mark_dllimport): Likewise.
6942 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6943 rather than SYMBOL_REF_DECL.
6944 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6945 (machopic_indirect_call_target): Likewise.
6947 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6949 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6951 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6953 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6955 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6957 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6959 2006-01-24 David Daney <ddaney@avtrex.com>
6962 * configure.ac (enable_tls): New enable option.
6963 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6964 * configure: Regenerate.
6965 * doc/install.texi (--enable-tls): Document new option.
6966 (--disable-tls): Ditto.
6968 2006-01-24 Richard Henderson <rth@redehat.com>
6970 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6971 * alias.c (true_dependence): Respect it.
6972 (canon_true_dependence, write_dependence_p): Likewise.
6973 * builtins.c (get_builtin_sync_mem): Set it.
6975 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6977 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6980 2006-01-24 DJ Delorie <dj@redhat.com>
6982 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6983 for storing constants in single-bit bitfields.
6985 2006-01-25 Ben Elliston <bje@au.ibm.com>
6987 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6989 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6992 * tree-ssa-pre.c (phi_translate): Return NULL
6993 for AGGREGATE_TYPE's.
6995 2006-01-24 Zack Weinberg <zackw@panix.com>
6997 * genautomata.c (process_state_for_insn_equiv_partition):
6998 Use xcalloc for insn_arcs_array.
6999 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7000 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7002 2006-01-24 Richard Henderson <rth@redhat.com>
7004 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7007 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7009 PR rtl-optimization/25890
7010 PR rtl-optimization/25905
7011 * combine.c (expand_compound_operation, expand_field_assignment):
7012 Fail if the bitfield's final position is out of bounds.
7014 2006-01-24 Ian Lance Taylor <ian@airs.com>
7017 * cgraphunit.c (cgraph_output_in_order): Don't clear
7018 cgraph_asm_nodes until after asm strings have been output.
7020 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7022 * fix-header.c (read_scan_file): Add new parameter imultilib when
7023 calling register_include_chains.
7025 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7027 * omp-low.c: Update documentation.
7029 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7030 Daniel Berlin <dberlin@dberlin.org>
7034 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7035 return from the function.
7037 2006-01-22 Zack Weinberg <zackw@panix.com>
7039 * rtl.def (match_code): Add second argument.
7040 * genpreds.c (write_extract_subexp): New function.
7041 (write_match_code): Add path argument. Use write_extract_subexp.
7042 (write_predicate_expr): Pass path to write_match_code.
7043 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7044 not perform a mode test.
7045 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7046 a subexpression does not constrain the top-level code set.
7047 * read-rtl.c (read_rtx_variadic): New function.
7048 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7049 * doc/md.texi: Document new notation.
7050 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7051 (cmpsi_operand): ... here, using new notation.
7053 2006-01-22 Zack Weinberg <zackw@panix.com>
7055 * varray.c: Remove GENERATOR_FILE #ifdefs.
7057 2006-01-22 Zack Weinberg <zackw@panix.com>
7059 * genautomata.c (output_reserved_units_table): Emit nothing if
7060 description->query_units_num is zero. Remove extra blank line.
7061 (output_cpu_unit_reservation_p): Short circuit
7062 if description->query_units_num is zero.
7064 2006-01-22 Zack Weinberg <zackw@panix.com>
7066 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7067 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7068 nor any of the random handful of variables that used to be necessary
7069 when this program was linked with rtlanal.o. Prune set of forward
7070 function declarations.
7071 (struct attr_desc): Remove static_p field.
7072 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7073 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7074 (attr_string): Do not read the character one past the length of
7076 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7077 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7078 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7079 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7080 (make_automaton_attrs): New.
7081 (main): Do not call into genautomata. Call local gen_bypass
7082 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7083 Remove special case for insn_alts.
7084 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7085 varray.h (leftover from previous change). Prune set of forward
7086 function declarations. Remove state_alts fields from all
7087 structures. Remove state_alts_table from struct automaton.
7088 Make everything except main static. Do not maintain num_dfa_decls.
7089 Do not maintain state_alts fields of various structures.
7090 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7091 (add_arc): Remove state_alts argument. All callers updated.
7092 (output_reserved_units_table): Emit #ifdef here...
7093 (output_tables): ...not here. Don't generate state_alts tables.
7094 (expand_automata): Don't generate attributes.
7095 (write_automata): Don't generate state_alts functions.
7096 (main): New function.
7097 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7098 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7099 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7100 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7101 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7102 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7103 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7104 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7106 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7107 * genattrtab.h: Delete file.
7108 * Makefile.in (OBJS-common): Add insn-automata.o.
7109 (insn-automata.o): New rule.
7110 (simple_generated_c): Add insn-automata.c.
7111 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7112 (genprogmd): Add automata.
7113 (build/genattrtab): Needs no extra objects nor libraries.
7114 (build/genautomata): Needs build/vec.o and -lm.
7116 2006-01-22 Zack Weinberg <zackw@panix.com>
7118 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7119 (output_dfa_max_issue_rate, locked_states_num): Delete.
7120 (struct automaton): Add locked_states field.
7121 (output_dead_lock_vect): Save number of locked states in
7122 automaton->locked_states. If it is zero, don't print anything.
7123 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7124 (output_internal_dead_lock_func): Only test the dead_lock_vect
7125 for automata that have locked states.
7126 (output_statistics): Always print the number of locked states for
7127 each automaton. Calculate total number of locked states here.
7128 (write_automata): Don't call output_dfa_max_issue_rate.
7129 * genattrtab.c: Define length_unit_log as a const variable.
7130 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7131 max_insn_queue_index const.
7132 * final.c (length_unit_log): Declare const.
7133 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7135 2006-01-22 Zack Weinberg <zackw@panix.com>
7137 * genautomata.c: Include vec.h, not varray.h.
7138 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7139 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7140 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7141 VEC_* macros operating on appropriately typed vectors, or to
7142 malloced arrays when the size is known in advance. Const-ify
7143 many char* variables and function arguments. No functional changes.
7144 * Makefile.in (build/varray.o): Delete rule.
7145 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7146 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7148 2006-01-22 Zack Weinberg <zackw@panix.com>
7150 * gensupport.c: Define get_insn_name and record_insn_name here.
7151 (read_md_rtx): Call record_insn_name as appropriate.
7152 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7153 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7154 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7156 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7157 (BUILD_VARRAY): Delete.
7158 (genprognormal): Rename genprogmd. Fold in all programs from
7159 genprognoprint; also attrtab.
7160 (build/genattrtab): Just mention genautomata.o and varray.o.
7161 Reorganize a bit, add comments to make the categories clearer.
7163 2006-01-22 Zack Weinberg <zackw@panix.com>
7165 * genconditions.c (condition_table, add_condition): Delete.
7166 (write_conditions): Don't emit n_insn_conditions nor
7167 insn_elision_unavailable. Issue the gcc version #ifdef here,
7168 inside the table, with no #else clause ...
7169 (write_header): ...not here.
7170 (write_writer): New function.
7171 (main): Don't initialize condition_table. Use add_c_test.
7173 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7174 files on the command line.
7175 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7176 Return -1 if there is no entry in the table, don't abort.
7177 (add_c_test, traverse_c_tests): New functions.
7178 * gensupport.h (insn_elision_unavailable, insn_conditions)
7179 (n_insn_conditions): Delete declarations.
7180 (add_c_test, traverse_c_tests): Declare.
7181 * read-rtl.c: Include gensupport.h.
7182 (read_conditions): New function.
7183 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7184 (read_rtx_1): If we get EOF when we were looking for an initial
7185 open paren, return 0. Call read_conditions when appropriate.
7186 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7187 dummy-conditions.o. Eliminate references to insn-conditions.o,
7188 or change them to build/gencondmd.o, as appropriate. Remove
7189 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7190 from $(simple_generated_c). For all files remaining in those
7191 two lists, add insn-conditions.md to the generator command line.
7192 Give insn-constants.h/s-constants their own rules. Add rules
7193 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7194 (build/read-rtl.o): Depend on gensupport.h.
7195 (genprognormal): Include preds.
7196 (genprogearly): Rename genprognoprint; only difference is now that
7197 they don't link with $(BUILD_PRINT).
7198 * dummy-conditions.c: Delete.
7200 2006-01-22 Zack Weinberg <zackw@panix.com>
7202 * genextract.c: Don't include insn-config.h. Do include vec.h.
7203 Declare vectors of int, char, and locstr.
7204 (locstr): New typedef.
7205 (struct extraction): Make all array fields into bare pointers.
7206 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7207 (insn_code_number): Delete.
7208 (accum_extract): New struct.
7209 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7210 (gen_insn): Take insn_code_number as an argument. Use an
7211 accum_extract structure instead of loading data directly into
7212 a struct extraction, and having to know how big it might get.
7213 (walk_rtx): Operate entirely on an accum_extract structure.
7214 (print_path): Avoid unnecessary use of printf.
7215 (print_header): New function, split out of main. Distinguish
7216 more carefully between an unrecognizable insn and an insn that
7217 has the code number of a define_expand.
7218 (main): Pass insn_code_number to gen_insn. Call print_header
7219 only after parsing. Avoid unnecessary use of printf.
7220 * Makefile.in (build/vec.o): New rule.
7221 (build/genextract): Depend on build/vec.o.
7222 (build/genextract.o): Don't depend on insn-config.h.
7224 2006-01-22 Zack Weinberg <zackw@panix.com>
7226 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7227 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7228 practical. Eliminate per-generator-program link rules.
7230 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7233 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7234 with a call expr to ...
7235 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7237 2006-01-23 Richard Guenther <rguenther@suse.de>
7239 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7240 before make_edge with conditional EDGE_TRUE_VALUE.
7242 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7243 Jan Hubicka <jh@suse.cz>
7244 Richard Guenther <rguenther@suse.de>
7246 PR rtl-optimization/25654
7247 * cfgexpand.c (aggregate_contains_union_type): New function.
7248 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7249 for structure variables that contain a union type.
7251 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7253 * gengtype.c (new_structure): Return the structure.
7254 (create_option): Add an extra "next" argument.
7255 (create_field): New function.
7256 (adjust_field_rtx_def): Use create_option and create_field.
7257 Remove a now-unnecessary call to find_structure.
7258 (adjust_field_tree_def): Likewise.
7259 (note_yacc_type): Remove an unnecessary call to find_structure.
7260 * gengtype.h (new_structure): Return the structure.
7261 (create_option): Add an extra argument.
7262 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7263 (option): Adjust calls to create_option.
7265 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7267 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7269 2006-01-22 Paul Brook <paul@codesourcery.com>
7270 Peter Barada <peter@the-baradas.com>
7272 * config/m68k/m68k.md: Add Coldfire FPU support.
7273 Define FP mode macro and associated attributes.
7274 Use it for float mode patterns.
7275 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7276 (LIBCALL_VALUE): Use m68k_libcall_value.
7277 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7278 (m68k_function_value): Ditto.
7279 (emit_move_sequence): Ditto.
7280 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7281 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7282 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7283 (MULTILIB_EXCEPTIONS): Ditto.
7284 * config/m68k/m68k.opt: Add mcfv4e.
7285 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7286 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7287 (m68k_output_function_prologue): Save ColdFire FPU registers.
7288 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7289 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7290 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7291 ColdFire FPU registers.
7292 (m68k_libcall_value, m68k_function_value): New functions.
7293 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7294 (LIBCALL_VALUE): Use m68k_libcall_value.
7295 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7296 (MASK_COLDFIRE): Add MASK_CFV4E.
7297 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7298 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7299 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7300 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7301 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7302 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7303 * doc/invoke.tex: Document -mcfv4e on m68k.
7305 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7307 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7310 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7313 * c-opts.c (c_common_handle_option): Don't include
7314 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7315 * doc/invoke.texi (C++ Dialect Options): Document that
7316 -Wnon-virtual-dtor is no longer included in -Wall.
7318 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7320 * gcov.c (print_version), gcov-dump.c (print_version),
7321 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7324 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7326 * df-scan.c (problem_SCAN): Added NULL reset function.
7327 (df_scan_reset_blocks): Added code to call reset block function
7328 (df_bb_refs_delete) Fixed comment.
7329 (df_insn_refs_delete): Made tolerant of deleting non existent info
7330 for dataflow problems that need to be reset.
7331 * df-core.c (df_set_blocks): Ditto.
7332 * df.h (struct df_problem): Added reset_fun.
7333 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7334 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7335 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7336 functions to clear out all references to def-use or use-def chains.
7338 2006-01-21 Ben Elliston <bje@au.ibm.com>
7340 * varasm.c (assemble_real): Initialise data array.
7342 2006-01-20 Paul Brook <paul@codesourcery.com>
7344 Merge from csl-arm-branch.
7345 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7346 * config/arm/arm.md (movdi): Force operands[1] to a register
7347 if we have a non-register source.
7348 (*arm_movdi, *movdf_soft_insn): Require that one of the
7349 operands be a register.
7350 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7351 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7353 2006-01-20 DJ Delorie <dj@redhat.com>
7355 * varasm.c (initialize_constant_valid_p): Allow pointers
7356 initialized from integer constants of lesser precision.
7357 (output_constant): Allow non-int-sized pointer modes to be
7358 initialized from integer constants.
7360 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7363 * cppdefault.h (struct default_include): Add multilib flag.
7364 * cppdefault.c (cpp_include_defaults): Set it.
7365 * c.opt (-imultilib): New option.
7366 * c-opts.c (imultilib): New.
7367 (c_common_handle_option): Handle -imultilib.
7368 (c_common_post_options): Likewise.
7369 * c-incpath.c (add_standard_paths, register_include_chains):
7371 * c-incpath.h (register_include_chains): Add extra parameter.
7372 * gcc.c (do_spec_1): Generate -imultilib option.
7373 (The Specs Language): Update %I description.
7374 (process_command): Update copyright notice.
7375 * doc/cppopts.texi (-imultilib): Document.
7376 * doc/invoke.texi (-imultilib): Include in option summary.
7377 (%I): Update specs documentation.
7379 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7381 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7383 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7385 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7388 2006-01-20 Richard Guenther <rguenther@suse.de>
7389 Steven Bosscher <stevenb.gcc@gmail.com>
7391 PR rtl-optimization/24626
7392 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7393 EDGE_TRUE_VALUE if in RTL mode.
7396 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7397 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7399 2006-01-20 Dirk Mueller <dmueller@suse.com>
7402 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7403 instead of a special NOP marker.
7404 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7405 NOP marker handling.
7406 * c-common.h (empty_body_warning): Add forward declaration.
7407 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7408 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7410 2006-01-20 Paul Brook <paul@codesourcery.com>
7412 * Makefile.in (lang_checks): Keep going if mkdir fails.
7414 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7416 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7417 be able to clean out basic block when not necessary.
7418 (df_scan_free): Fixed to properly delete information if df is
7419 unused before calling df_finish.
7420 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7421 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7423 (df_bb_refs_delete): New function.
7424 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7425 * df-core.c (df_set_blocks): Added code to properly clean out
7426 unused blocks if they are not part of the blocks to consider.
7427 Added additional null check.
7428 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7429 be able to clean out basic block when not necessary
7430 * df.h (df_free_bb_function): Ditto.
7431 (df_bb_refs_delete): New function.
7432 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7433 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7434 basic block parameter to be able to clean out basic block when not
7436 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7437 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7438 Fixed to properly delete information if df is unused before
7441 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7443 PR rtl-optimization/25799
7444 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7445 Corrected confluence operator to remove bits from op2 before oring
7446 with op1 rather than removing bits from op1.
7447 (df_ru_transfer_function): Corrected test on wrong bitmap which
7448 caused infinite loop. Both of these problems were introduced in
7449 the dataflow rewrite.
7451 2006-01-19 DJ Delorie <dj@redhat.com>
7453 * reload1.c (find_reload_regs): Note the details of reload
7454 failures in the dump file.
7455 (spill_failure): Likewise.
7457 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7459 * loop-iv.c: Include df.h and hashtab.h.
7460 (enum iv_grd_result): New enum.
7461 (DF_REF_IV, DF_REF_IV_SET): New macros.
7462 (struct biv_entry): New.
7463 (df, bivs): New global variables.
7464 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7465 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7467 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7468 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7469 analyzed_for_bivness_p, record_biv): New functions.
7470 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7471 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7472 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7474 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7476 (iv_number_of_iterations): Use new interface to iv analysis.
7477 * loop-unroll.c: Do not include varray.h.
7478 (analyze_iv_to_split_insn): Use new interface to iv
7480 * loop-unswitch.c (may_unswitch_on): Ditto.
7481 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7483 (df_bb_modify): Realloc tables to the new index.
7484 (df_find_use): New function.
7485 * df.h (df_find_use): Declare.
7486 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7488 * cfgloop.h (struct rtx_iv): Remove analysed field.
7489 (iv_get_reaching_def): Removed.
7490 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7491 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7492 (loop-iv.o): Add df.h and hashtab.h dependency.
7493 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7495 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7498 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7500 (__floatundisf, __floatundidf): Likewise.
7501 * libgcc2.h (IS_IBM_EXTENDED): Define.
7503 2006-01-19 DJ Delorie <dj@redhat.com>
7505 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7507 2006-01-19 Paul Brook <paul@codesourcery.com>
7509 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7510 as nothrow when unwinding tables are disabled.
7512 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7515 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7516 of bit-field" when in system header.
7518 2006-01-19 DJ Delorie <dj@redhat.com>
7520 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7521 the 16 bit shift limit of the m16c.
7523 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7526 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7527 * config/i386/i386.c (output_set_got): Output the label if we have one
7528 for the TARGET_DEEP_BRANCH_PREDICTION case.
7530 2006-01-19 Jan Hubicka <jh@suse.cz>
7531 H.J. Lu <hongjiu.lu@intel.com>
7532 Evandro Menezes <evandro.menezes@amd.com>
7534 * invoke.texi (generic): Document
7536 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7537 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7538 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7539 (x86_use_incdec, x86_pad_returns): New variables
7540 (TARGET_CPU_DEFAULT_generic): New constant
7541 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7542 (enum processor_type): Add generic32 and generic64.
7543 * i386.md (cpu attribute): Add generic32/generic64
7544 (movhi splitter): Behave sanely when both partial_reg_dependency and
7545 partial_reg_stall are set.
7546 (K8 splitters): Enable for generic as well.
7547 * predicates.md (incdec_operand): Use TARGET_INCDEC
7548 (aligned_operand): Avoid memory mismatch stalls.
7549 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7550 * ppro.md: Enable for generic32
7551 * i386.c (generic64_cost, generic32_cost): New.
7552 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7553 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7554 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7555 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7556 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7557 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7558 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7559 x86_accumulate_outgoing_args, x86_prologue_using_move,
7560 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7561 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7563 (x86_use_incdec, x86_pad_returns): New.
7564 (override_options): Add generic32 and generic64, translate "generic"
7565 to generic32/generic64 and "i686" to "generic32", refuse
7566 "generic32"/"generic64" as arch target.
7567 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7568 (ix86_reorg): Honor PAD_RETURNS.
7570 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7572 * tree-pretty-print.c (dump_generic_node): Handle
7573 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7574 * cgraph.c (cgraph_expand_queue): Rename from
7575 cgraph_analyze_queue. Update all users.
7576 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7577 cgraph_expand_queue.
7578 (cgraph_expand_all_functions): Likewise.
7579 (cgraph_finalize_pending_functions): Remove. Update callers.
7581 * tree.h (OMP_DIRECTIVE_P): Define.
7582 (OMP_PARALLEL_FN): Define.
7583 (OMP_PARALLEL_DATA_ARG): Define.
7584 (OMP_SECTIONS_SECTIONS): Define.
7585 * tree-pass.h (pass_expand_omp): Declare.
7586 * omp-low.c (struct omp_region): Declare.
7587 (struct omp_context): Remove fields 'parallel_type',
7588 'parallel_start_ix' and 'parallel_start_additional_args'.
7590 (struct omp_for_data): Rename from struct expand_omp_for_data.
7591 (omp_regions): New static variable.
7592 (root_omp_region): New static variable.
7593 (find_omp_clause): Make static.
7594 (is_in_combined_parallel_ctx): Remove.
7595 (is_combined_parallel): New.
7596 (extract_omp_for_data): Move earlier in the file.
7597 (workshare_safe_to_combine_p): New.
7598 (get_ws_args_for): New.
7599 (determine_parallel_type): Move earlier in the file.
7600 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7602 (omp_copy_decl): Likewise.
7603 (create_omp_child_function): Likewise.
7604 (lookup_omp_region): New.
7605 (dump_omp_region): New.
7606 (debug_omp_region): New.
7607 (debug_all_omp_regions): New.
7608 (new_omp_region): New.
7609 (scan_omp_parallel): If parallel_nesting_level > 1, the
7610 directive is nested within another parallel directive.
7611 Set OMP_PARALLEL_FN.
7612 (scan_omp_for): Do not try to handle combined parallel+for
7614 Remove FIXME comment.
7615 (scan_omp_nested): Remove.
7616 (scan_omp_1): Do not call scan_omp_nested when
7617 parallel_nesting_level is > 1.
7618 Do not change the DECL_CONTEXT of local variables found.
7619 (lookup_decl_in_outer_ctx): New.
7620 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7621 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7622 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7623 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7624 If CTX is nested, lookup VAR in the outer context when
7625 building copy assignment.
7626 (lower_send_clauses): Rename from expand_send_clauses.
7627 If CTX is nested, lookup VAR in the outer context when
7628 building copy assignments.
7629 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7630 If CTX is nested, lookup VAR in the outer context when
7631 building copy assignments.
7632 (expand_parallel_call): Rename from build_parallel_call.
7633 Handle combined parallel+workshare cases.
7634 Re-implement to emit code into the CFG.
7636 (expand_omp_parallel): Re-implement to emit code into the CFG.
7637 Call move_sese_region_to_fn to outline the sub-graph
7638 containing the parallel region.
7639 (expand_omp_for_1): Remove.
7640 (expand_omp_for_generic): Re-implement to emit code into the
7642 (expand_omp_for_static_nochunk): Likewise.
7643 (expand_omp_for_static_chunk): Likewise.
7644 (expand_omp_for): Likewise.
7645 (expand_omp_sections): Likewise.
7646 (remove_exit_barriers): New.
7647 (expand_omp_synch): New.
7649 (build_omp_regions_1): New.
7650 (build_omp_regions): New.
7651 (execute_expand_omp): New.
7652 (gate_expand_omp): New.
7653 (pass_expand_omp): Define.
7654 (lower_omp_sections): Rename from expand_omp_sections.
7655 Set OMP_SECTIONS_SECTIONS.
7656 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7657 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7658 (lower_omp_single): Rename from expand_omp_simple.
7659 (lower_omp_master): Rename from expand_omp_master.
7660 (lower_omp_ordered): Rename from expand_omp_ordered.
7661 (lower_omp_critical): Rename from expand_omp_critical.
7662 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7663 (lower_omp_for): Re-implement.
7664 (lower_omp_parallel): Re-implement.
7665 (lower_regimplify): Rename from expand_regimplify.
7666 (lower_omp_1): Rename from expand_omp_1.
7667 If there are syntax errors in the program, replace every
7668 OpenMP directive with NOP.
7669 Call lower_omp_* instead of expand_omp_*.
7670 (lower_omp): Rename from expand_omp.
7672 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7673 * tree-gimple.h (enum omp_parallel_type): Remove.
7674 (gimple_boolify): Declare extern.
7675 (find_omp_clause, determine_parallel_type): Remove.
7677 * gimple-low.c (lower_omp_directive): New.
7678 (lower_stmt): Call it.
7679 (record_vars_into): Move from ...
7680 (record_vars): ... here.
7681 Call record_vars_into with current_function_decl.
7683 * gimplify.c (struct gimplify_ctx): Remove fields
7684 combined_pre_p and combined_ctxp. Update users.
7685 (get_formal_tmp_var): Add documentation.
7686 (gimple_boolify): Make extern.
7687 (gimplify_expr_in_ctx): Remove. Update callers.
7688 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7689 will always be a BIND_EXPR.
7690 (gimplify_expr): Handle OMP_RETURN_EXPR.
7691 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7692 (OMP_PARALLEL): Add 3 operands.
7693 (OMP_SECTIONS): Add 1 operand.
7694 (OMP_RETURN_EXPR): Define.
7696 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7697 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7698 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7699 creating a circular free list.
7700 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7702 * tree-flow.h (move_sese_region_to_fn): Declare.
7703 (record_vars_into): Declare.
7704 * tree-cfg.c (make_omp_sections_edges): New.
7705 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7706 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7707 OMP_SECTIONS and OMP_SECTION.
7708 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7709 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7710 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7711 (gather_blocks_in_sese_region): New.
7712 (struct move_stmt_d): Declare.
7714 (move_block_to_fn): New.
7715 (move_sese_region_to_fn): New.
7717 * passes.c (init_optimization_passes): Schedule
7718 pass_expand_omp after pass_init_datastructures.
7720 * tree-ssa-operands.c (get_expr_operands): Handle
7721 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7722 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7724 2006-01-19 Jeff Law <law@redhat.com>
7726 * tree-vrp.c (extract_range_from_assert): Refine the result range
7727 if the variable referenced by the ASSERT_EXPR has a range and
7728 either the tentative result range or the previous range is a
7731 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7733 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7735 2006-01-19 Jan Hubicka <jh@suse.cz>
7737 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7739 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7741 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7742 (expand_compound_operation, expand_field_assignment): Fail if the
7743 bit lengths of an extract operation are out of range.
7744 (make_extraction): Compute wanted_inner_mode based on the position
7745 and length of the extraction. Make it extraction_mode for non-constant
7746 positions, and do not modify offset in that case. When generating a
7747 new MEM, use a mode that can hold the extraction while keeping correct
7748 alignment. Remove code that supported MEMs wrapped by USEs.
7749 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7751 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7753 * config/s390/s390.md ("Y", "y"): New mode attribute.
7754 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7755 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7756 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7757 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7758 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7759 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7760 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7761 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7762 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7763 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7764 "addsi3", "subsi3"): Insn patterns removed.
7765 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7766 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7767 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7768 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7769 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7770 "*sub<mode>3_cconly2"): New insn patterns.
7771 ("addsi3", "subsi3"): New expanders.
7773 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7775 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7776 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7777 existing STMT_VINFO_VECTYPE if available.
7778 (vect_mark_relevant): Add special handling for stmts that are
7779 marked as STMT_VINFO_IN_PATTERN_P.
7780 (vect_analyze_loop): Call vect_pattern_recog.
7781 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7782 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7784 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7785 (vect_recog_func_ptr): New function-pointer type.
7786 * tree-vect-patterns.c: New file.
7787 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7788 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7789 (vect_pattern_recog_1): New functions.
7790 (vect_pattern_recog_funcs): New array of function pointers.
7792 * tree-vectorizer.h (ternary_op): New enum value.
7793 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7794 declaration. Revised documentation. Removed redundant dump prints.
7795 Removed redundant argument. Added support for reduction patterns.
7796 (vectorizable_reduction): Added support for reduction patterns.
7797 (vect_transform_stmt): Added support for patterns.
7799 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7800 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7801 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7802 (expand_widen_pattern_expr): New function.
7803 (init_optabs): Initialize new optabs udot_prod_optab,
7805 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7806 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7807 (expand_widen_pattern_expr): New function declaration.
7808 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7810 * tree-inline.c (estimate_num_insns_1): Added cases for new
7811 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7812 * tree-pretty-print.c (dump_generic_node): Likewise.
7813 (op_prio): Likewise.
7814 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7815 * tree-ssa-operands.c (get_expr_operands): Added case for
7817 * tree-vect-patterns.c (widened_name_p): New function.
7818 (vect_recog_dot_prod_pattern): Added function implementation.
7819 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7820 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7821 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7822 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7824 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7825 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7826 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7827 (init_optabs): Initialize new optabs widen_ssum_optab,
7829 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7830 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7831 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7832 use instead of type of def.
7833 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7834 function implementation.
7835 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7836 widen_ssumv8hi): New.
7838 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7841 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7844 * c-decl.c (add_flexible_array_elts_to_size): New function.
7845 (finish_decl): Use it.
7847 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7849 * diagnostic.h: Include options.h.
7850 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7851 dependancies for diagnostic.h.
7852 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7854 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7856 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7857 (ssa_ro_call_cache_valid): Ditto.
7858 * tree-ssa-alias.c (sort_tags_by_id): New function.
7859 (init_transitive_clobber_worklist): Ditto.
7860 (add_to_worklist): Ditto.
7861 (mark_aliases_call_clobbered): Ditto.
7862 (compute_tag_properties): Ditto.
7863 (set_initial_properties): Ditto.
7864 (compute_call_clobbered): Ditto.
7865 (compute_may_aliases): Call compute_call_clobbered and grouping.
7866 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7867 (compute_flow_insensitive_aliasing): Grouping now happens in our
7869 (setup_pointers_and_addressables): Remove clobbering related code.
7870 (add_may_alias): Ditto.
7871 (replace_may_alias): Ditto.
7872 (get_nmt_for): Ditto.
7873 (create_global_var):
7874 (is_escape_site): Return an escape_type enumeration.
7875 * tree-flow-inline.h (is_call_clobbered): Global var does not
7876 imply call clobbered.
7877 (mark_call_clobbered): Take a reason for marking this. Remove
7878 marking of globalness, and cache invalidation.
7879 (clear_call_clobbered): Remove cache invalidation code.
7880 * tree-dfa.c (dump_variable): If details is on, dump the reason
7882 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7884 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7885 (struct var_ann_d): Ditto.
7886 (enum escape_type): New.
7887 (mark_call_clobbered): Adjust prototype.
7888 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7889 are never call clobbered.
7890 Record reasons for escaping.
7891 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7892 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7893 (ssa_ro_call_cache_valid): Ditto.
7894 (clobbered_v_may_defs): Ditto.
7895 (clobbered_vuses): Ditto.
7896 (ro_call_vuses): Ditto.
7897 (clobber_stats): New.
7898 (init_ssa_operands): Zero out clobber stats.
7899 (fini_ssa_operands): Print out clobber stats.
7900 (get_call_expr_operands): Pass callee fndecl to
7902 (add_call_clobber_ops): Remove use of cache.
7903 Add use of PURE_CONST information.
7904 (add_call_read_ops): Remove use of cache.
7905 Add use of static not_read information.
7907 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7909 Introduce TLS descriptors for i386 and x86_64.
7910 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7911 (TARGET_ANY_GNU_TLS): New macro.
7912 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7913 (struct machine_function): Add tls_descriptor_call_expanded_p.
7914 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7915 (ix86_current_function_calls_tls_descriptor): Likewise.
7916 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7917 (override_options): Introduce gnu2 tls dialect.
7918 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7920 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7922 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7923 (ix86_init_machine_status): Initialize new field.
7924 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7925 (ix86_tls_module_base): New.
7926 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7927 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7928 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7929 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7930 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7931 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7932 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7933 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7934 * config/i386/predicates.md (tls_modbase_operand): New.
7935 (tp_or_register_operand): New.
7937 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7939 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7940 (look_for_address_of): Ditto.
7941 (ipa_init): Walk the function decls.
7942 (static_execute): Don't set readonly on FUNCTION_DECL's.
7944 2006-01-18 Roger Sayle <roger@eyesopen.com>
7946 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7947 for shifts where the source and destination registers are different.
7949 2006-01-18 Paul Brook <paul@codesourcery.com>
7951 Merge from csl-arm-branch.
7952 2005-03-14 Julian Brown <julian@codesourcery.com>
7953 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7954 (aeabi_llsl): Likewise.
7955 (ashrdi3): Likewise.
7956 (aeabi_lasr): Likewise.
7957 (lshrdi3): Likewise.
7958 (aeabi_llsr): Likewise.
7959 2005-03-10 Julian Brown <julian@codesourcery.com>
7960 * config.gcc: Disable shared libgcc for SymbianOS.
7961 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7963 2006-01-18 DJ Delorie <dj@redhat.com>
7965 * c-pragma.c (handle_pragma_diagnostic): New.
7966 (init_pragma): Register it.
7967 * doc/extend.texi: Document it.
7969 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7970 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7971 (diagnostic_context): Add classify_diagnostic[].
7972 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7973 as errors if they're overridden to DK_WARNING.
7974 (diagnostic_initialize): Initialize classify_diagnostic[].
7975 (diagnostic_set_kind_override): New.
7976 (diagnostic_report_diagnostic): Check for kind changes.
7977 * opts.c (common_handle_option): Take lang_mask. Update callers.
7979 * common.opt (Werror=): New.
7980 * doc/invoke.texi: Document -Werror=*
7982 2006-01-18 Jeff Law <law@redhat.com>
7984 * tree-vrp.c (test_for_singularity): Correct test for new
7985 min limit. Use operand_equal_p rather than pointer equality
7986 for testing if new min/max values are equal.
7988 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7989 using range information until after propagation and folding.
7991 2006-01-18 Richard Henderson <rth@redhat.com>
7992 Aldy Hernandez <aldyh@redhat.com>
7993 Jakub Jelinek <jakub@redhat.com>
7994 Diego Novillo <dnovillo@redhat.com>
7996 * omp-low.c: New file.
7997 * c-omp.c: New file.
7999 2006-01-18 Richard Henderson <rth@redhat.com>
8000 Jakub Jelinek <jakub@redhat.com>
8001 Diego Novillo <dnovillo@redhat.com>
8003 * doc/invoke.texi: Document -fopenmp.
8004 * tree-dump.h (debug_function): Declare.
8005 * hooks.c (hook_bool_tree_bool_false): New function.
8006 (hook_tree_tree_null): Remove.
8007 (hook_tree_tree_tree_null): New.
8008 * hooks.h: Update to match.
8009 * tree-pretty-print.c (debug_tree_chain): New.
8010 (print_generic_expr): Handle TDF_CHAIN.
8011 (dump_generic_node): Handle BLOCK.
8012 Do not abort with incomplete SWITCH_EXPRs.
8013 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8014 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8015 print space after directive name.
8016 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8017 Handle OMP_MASTER and OMP_ORDERED.
8018 Handle printing of OMP_BODY just in one place, goto
8019 dump_omp_body in the rest of OMP_* nodes that have
8021 Don't handle clause nodes here. Update omp statements to
8022 use dump_omp_clauses.
8023 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8024 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8025 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8026 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8027 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8028 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8029 Adjust output for GOMP_PARALLEL.
8030 (dump_omp_clauses): New.
8031 (print_declaration): Dump DECL_VALUE_EXPR.
8032 (op_symbol_1): Split out of op_symbol.
8033 (dumping_stmts): Remove. Update all users.
8034 * cgraph.c (cgraph_analyze_queue): New.
8035 (cgraph_add_new_function): New.
8036 * cgraph.h (cgraph_analyze_queue): Declare.
8037 (cgraph_add_new_function): Declare.
8038 (cgraph_lower_function): Remove.
8039 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8040 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8041 and TYPE_P nodes in its default clause.
8042 (empty_body_p): New.
8043 (tree_range_check_failed): New.
8045 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8046 OMP_CLAUSE_REDUCTION_MERGE,
8047 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8048 OMP_CLAUSE_PRIVATE_DEBUG,
8049 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8050 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8051 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8052 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8053 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8054 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8055 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8056 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8057 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8058 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8059 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8060 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8061 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8062 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8063 (TREE_RANGE_CHECK): New.
8064 (empty_body_p): Declare.
8065 (enum omp_clause_default_kind): New.
8066 (build_string_literal): Declare.
8067 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8068 (build5_stat, build5): Declare.
8069 * tree-pass.h (TDF_CHAIN): Define.
8070 * tree-pass.h (PROP_gimple_lomp): Define.
8071 (pass_lower_omp): Declare.
8072 * diagnostic.h (debug_tree_chain): Declare.
8073 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8075 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8076 * builtins.c (build_string_literal): Make extern.
8077 * gcc.c (include_spec_function): New.
8078 (static_spec_functions): Add it.
8079 (main): Move load of libgomp.spec ...
8080 (LINK_COMMAND_SPEC): ... here.
8081 (link_gomp_spec): New.
8082 (static_specs): Include it.
8083 (LINK_COMMAND_SPEC): Add link_gomp.
8084 (GOMP_SELF_SPECS): New.
8085 (driver_self_specs): Include it.
8086 (switch_matches): Don't mark inline.
8087 (main): Load libgomp.spec.
8088 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8089 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8090 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8091 * tree-gimple.h (enum omp_parallel): Declare.
8092 (determine_parallel_type): Declare.
8093 (omp_firstprivatize_variable): Declare.
8094 (omp_reduction_init): Declare.
8095 (diagnose_omp_structured_block_errors): Declare.
8096 (struct walk_stmt_info): Add want_return_expr.
8097 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8098 (find_omp_clause): Declare.
8099 (insert_field_into_struct): Declare.
8100 (struct walk_stmt_info): Move from tree-nested.c
8101 (walk_stmts): Declare.
8102 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8104 * cgraphunit.c (cgraph_lower_function): Make static.
8105 (cgraph_finalize_pending_functions): New.
8106 (cgraph_finalize_function): Call it.
8107 (cgraph_finalize_compilation_unit): Likewise.
8108 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8109 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8110 (BT_FN_UINT_UINT): New.
8111 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8112 DEF_FUNCTION_TYPE_VAR_4): Document.
8113 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8114 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8115 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8116 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8117 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8118 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8119 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8120 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8121 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8122 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8123 into separate files.
8124 (DEF_GOMP_BUILTIN): New.
8125 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8126 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8127 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8128 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8129 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8130 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8131 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8132 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8133 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8134 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8135 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8136 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8137 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8138 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8139 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8140 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8141 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8142 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8143 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8144 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8145 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8146 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8147 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8148 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8149 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8150 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8151 * sync-builtins.def: New file, moved from builtins.def.
8152 * omp-builtins.def: New file, moved from builtins.def.
8153 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8154 * gimple-low.c (lower_function_body): Clear data.
8155 (lower_stmt): Do not handle COMPOUND_EXPR.
8156 Remove call to print_node_brief.
8157 * c-tree.h (c_finish_omp_clauses): New prototype.
8158 (C_DECL_THREADPRIVATE_P): Define.
8159 (lookup_name_no_remap, c_omp_remap_private): Remove
8160 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8161 (check_for_loop_decls): Update decl.
8162 (lookup_name_no_remap, c_omp_remap_private): Declare.
8163 (build_indirect_ref, build_modify_expr, pushdecl,
8164 pushdecl_top_level): Move to c-common.h.
8165 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8166 before the switch, but just in the 2 places that need it.
8167 * c-decl.c (diagnose_mismatched_decls): Do not check for
8168 mismatched thread-local attributes when OLDDECL is marked
8169 threadprivate and NEWDECL has no thread-local attributes.
8170 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8171 (c_gimple_diagnostics_recursively): Rename from
8172 c_warn_unused_result_recursively. Invoke
8173 diagnose_omp_structured_block_errors.
8174 (check_for_loop_decls): Return a singular decl found.
8175 * langhooks.c (lhd_omp_predetermined_sharing): Return
8176 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8177 (lhd_omp_firstprivatize_type_sizes): New.
8178 (lhd_omp_assignment): New.
8179 (lhd_omp_predetermined_sharing): New.
8180 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8181 (struct lang_hooks_for_types): Add
8182 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8183 omp_predetermined_sharing, omp_disregard_value_expr,
8184 omp_private_debug_clause, omp_clause_default_ctor,
8185 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8186 (c_finish_omp_clauses): New.
8187 (c_finish_bc_stmt): Diagnose break within omp for.
8188 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8189 (build_unary_op): Return error_mark after reporting
8191 (build_modify_expr): Likewise.
8192 * gimplify.c: Include optabs.h and pointer-set.h.
8193 (enum gimplify_omp_var_data): Declare.
8194 (struct gimplify_omp_ctx): Declare.
8195 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8197 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8198 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8199 (splay_tree_compare_decl_uid): New.
8200 (new_omp_context): New.
8201 (delete_omp_context): New.
8202 (gimple_add_tmp_var): Call omp_add_variable.
8203 (gimplify_bind_expr): Likewise.
8204 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8205 true, disregard DECL_VALUE_EXPR on the decl if any.
8206 (gimplify_expr_in_ctx): New.
8207 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8208 omp_add_variable, omp_notice_variable, omp_is_private
8209 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8210 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8211 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8212 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8213 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8214 gimplify_omp_atomic): New.
8215 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8216 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8217 OMP_CRITICAL and OMP_ATOMIC.
8218 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8219 * c-pragma.h (enum pragma_kind): Add
8220 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8221 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8222 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8223 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8224 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8225 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8226 PRAGMA_OMP_THREADPRIVATE.
8227 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8228 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8229 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8230 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8231 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8232 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8233 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8234 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8235 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8236 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8237 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8238 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8239 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8241 (struct nesting_info): Add field_map,
8242 suppress_expansion, debug_var_chain.
8243 (create_nesting_tree): Initialize them.
8244 (lookup_field_for_decl): Use field_map.
8245 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8246 (convert_local_omp_clauses): New.
8247 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8248 (walk_body): Split out of walk_function.
8249 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8250 (convert_nonlocal_reference): Handle omp statements.
8251 (convert_local_reference): Likewise.
8252 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8253 (unnest_nesting_tree): New.
8254 (lower_nested_functions): Call it.
8255 (insert_field_into_struct): Make extern.
8256 (struct walk_stmt_info): Move to tree-gimple.h.
8257 (walk_stmts): Make extern.
8258 * omp-builtins.def: New file.
8259 * tree-iterator.c (expr_only): Clarify comment.
8260 * c-common.h (pushdecl_top_level, pushdecl,
8261 build_modify_expr, build_indirect_ref,
8262 c_finish_omp_master, c_finish_omp_critical,
8263 c_finish_omp_ordered, c_finish_omp_barrier,
8264 c_finish_omp_atomic, c_finish_omp_flush,
8265 c_finish_omp_for, c_split_parallel_clauses,
8266 omp_clause_default_kind, c_omp_sharing_predetermined,
8267 c_omp_remap_decl): Declare.
8268 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8269 (OBJS-common): Add omp-low.o.
8270 (c-omp.o, omp-low.o): Add.
8271 (gimplify.o): Add dependency on $(OPTABS_H).
8272 (GTFILES): Add omp-low.c.
8273 (gt-stringpool.h): Add.
8274 * tree-cfg.c (set_bb_for_stmt): Do not update the
8275 block-to-labels map if we are currently expanding to RTL.
8276 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8278 Handle IDENTIFIER_NODE.
8279 (tree_verify_flow_info): Do not ICE when emitting error
8280 messages about invalid labels.
8281 (dump_function_to_file): Reset CFUN before emitting the body
8283 (debug_function): New.
8284 * passes.c (init_optimization_passes): Schedule
8286 * langhooks-def.h (lhd_omp_predetermined_sharing,
8287 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8289 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8290 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8291 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8292 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8293 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8294 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8295 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8296 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8297 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8298 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8299 (LANG_HOOK_DECLS): Use them.
8301 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8302 Richard Henderson <rth@redhat.com>
8303 Jakub Jelinek <jakub@redhat.com>
8304 Diego Novillo <dnovillo@redhat.com>
8306 * c-parser.c (pragma_omp_clause): Define.
8307 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8308 (c_parser_compound_statement): Likewise.
8309 (c_parser_statement): Likewise.
8310 (c_parser_pragma): Handle omp pragmas.
8311 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8312 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8313 (c_parser_omp_clause_name, check_no_duplicate_clause,
8314 c_parser_omp_variable_list,
8315 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8316 c_parser_omp_clause_copyprivate,
8317 c_parser_omp_clause_default,
8318 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8319 c_parser_omp_clause_lastprivate,
8320 c_parser_omp_clause_nowait,
8321 c_parser_omp_clause_num_threads,
8322 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8323 c_parser_omp_clause_reduction,
8324 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8325 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8326 c_parser_omp_atomic, c_parser_omp_barrier,
8327 c_parser_omp_critical, c_parser_omp_flush,
8328 c_parser_omp_for_loop, c_parser_omp_for,
8329 c_parser_omp_master, c_parser_omp_ordered,
8330 c_parser_omp_sections_scope, c_parser_omp_sections,
8331 c_parser_omp_parallel, c_parser_omp_single,
8332 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8333 * c-pragma.c (init_pragma): Do omp pragma registration here.
8334 * c.opt (fopenmp): New flag.
8336 2006-01-18 Eric Christopher <echristo@apple.com>
8338 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8339 * config/darwin.h (GOMP_SELF_SPECS): Define.
8341 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8343 * rtl.h: Remove the prototype for reg_alloc.
8345 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8348 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8349 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8350 sjlj and dwarf2 exception handling.
8351 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8352 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8353 * pa/pa.c (function_value): Treat complex and vector types as
8355 (function_arg): Likewise. Only pass scalar floats in the floating
8356 point argument registers.
8357 * pa/t-slibgcc-dwarf-ver: New file.
8358 * pa/t-slibgcc-sjlj-ver: New file.
8359 * pa/t-slibgcc-elf-ver: Delete file.
8361 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8363 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8364 unlikely_test_section_p test.
8366 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8368 * mode-switching.c (optimize_mode_switching): Make it static.
8369 * basic-block.h: Remove the prototype for
8370 optimize_mode_switching.
8372 * modulo-sched.c (sms_schedule): Make it static.
8373 * rtl.h: Remove the prototype for sms_schedule.
8375 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8376 * rtl.h: Remove the prototype for gcse_after_reload_main.
8378 * reg-stack.c (reg_to_stack): Make it static.
8379 * rtl.h: Remove the prototype for reg_to_stack.
8381 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8383 * rtl.h: Remove the prototypes for regrename_optimize and
8384 copyprop_hardreg_forward.
8386 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8388 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8389 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8390 Test against the appropriate null constant for the mode.
8391 If 'fixup_overlap' is true, swap the operands if they overlap.
8392 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8393 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8394 alpha_split_tmode_pair and adjust for above change.
8395 * config/alpha/alpha.md (movtf_internal): Adjust call to
8396 alpha_split_tfmode_pair and rely on it to swap the operands.
8397 (movti_internal): New insn and post-reload splitter.
8398 (movti): New expander.
8400 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8402 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8405 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8407 * rtlanal.c (global_reg_mentioned_p_1,
8408 global_reg_mentioned_p): Remove.
8409 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8411 * flow.c (initialize_uninitialized_subregs): Make it static.
8412 * rtl.h: Remove the prototype for
8413 initialize_uninitialized_subregs.
8415 * function.c (instantiate_virtual_regs): Make it static.
8416 * function.h: Remove the prototype for
8417 instantiate_virtual_regs.
8419 * regmove.c (regmove_optimize, combine_stack_adjustments):
8421 * rtl.h: Remove the prototypes for regmove_optimize and
8422 combine_stack_adjustments.
8424 2006-01-17 Roger Sayle <roger@eyesopen.com>
8426 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8427 (size_cost): Encode costs in bytes so that a reg-reg addition is
8428 equivalent to COSTS_N_INSNS(1).
8429 (override_options): Use the size_cost.branch_cost as the default
8430 ix86_branch_cost when optimizing for size.
8432 2006-01-18 Ben Elliston <bje@au.ibm.com>
8434 * Makefile.in (D32PBIT_FUNCS): New.
8435 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8436 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8437 D64PBIT_FUNCS and D128PBIT_FUNCS.
8438 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8439 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8441 (decnumber_dep): Define.
8442 * doc/libgcc.texi (Decimal float library routines): New node.
8443 * config/dfp-bit.h, config/dfp-bit.c: New files.
8445 2006-01-18 Ben Elliston <bje@au.ibm.com>
8447 * expr.c (emit_move_change_mode): Always adjust addresses, not
8448 just during reload. Copy replacements only during reload.
8449 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8450 emit_move_via_integer.
8452 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8454 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8455 instead of $(srcdir) and ${srcdir}.
8457 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8461 * arm.h (struct machine_function): Add pic_reg.
8462 * arm.c (arm_pic_register): Make unsigned.
8463 (arm_override_options): Only set arm_pic_register if
8464 TARGET_SINGLE_PIC_BASE.
8465 (use_return_insn): Only test for a pic register if it is fixed.
8466 (arm_compute_save_reg0_reg12_mask): Likewise.
8467 (thumb_compute_save_reg_mask): Likewise.
8468 (legitimate_pic_operand): Factor out some known invariants.
8469 (legitimize_pic_address): If we don't have a fixed pic register,
8470 then set up a pseudo in the function entry sequence. Handle the
8471 pic base being in a pseudo.
8472 (arm_load_pic_register): Handle the pic register being in a pseudo.
8473 (arm_expand_prologue): Only set up the pic register if it is fixed.
8474 (thumb_expand_prologue): Likewise.
8475 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8476 (pic_load_addr_based_insn): Likewise.
8477 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8480 2006-01-18 Ben Elliston <bje@au.ibm.com>
8482 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8483 decimal float modes for all floating point registers.
8485 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8486 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8488 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8491 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8492 even when the pointer is not NULL.
8494 2006-01-16 Ian Lance Taylor <ian@airs.com>
8496 * common.opt (ftoplevel-reorder): New option.
8497 * cgraph.c (cgraph_asm_nodes): New global variable.
8498 (cgraph_asm_last_node): New static variable.
8499 (cgraph_order): New global variable.
8500 (cgraph_create_node): Set new order field.
8501 (cgraph_varpool_node): Likewise.
8502 (decide_is_variable_needed): Return true if not
8503 flag_toplevel_reorder.
8504 (cgraph_add_asm_node): New function.
8505 * cgraph.h (struct cgraph_node): Add order field.
8506 (struct cgraph_varpool_node): Add order field.
8507 (struct cgraph_asm_node): Define.
8508 (cgraph_asm_nodes, cgraph_order): Declare.
8509 (cgraph_add_asm_node): Declare.
8510 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8512 (cgraph_varpool_assemble_pending_decls): Call it.
8513 (cgraph_output_pending_asms): New static function.
8514 (cgraph_finalize_compilation_unit): Call it.
8515 (struct cgraph_order_sort): Define.
8516 (cgraph_output_in_order): New static function.
8517 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8518 !flag_toplevel_reorder case.
8519 * c-parser.c: Include "cgraph.h".
8520 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8522 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8523 than -fno-unit-at-a-time.
8524 * doc/invoke.texi (Option Summary): Mention
8525 -fno-toplevel-reorder.
8526 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8527 -funit-at-a-time documentation.
8529 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8530 Kazu Hirata <kazu@codesourcery.com>
8532 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8534 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8536 * Makefile.in (FUNCTION_H): New. Use it instead of
8537 function.h throughout the file.
8538 * function.h: Include tree.h.
8540 2006-01-17 Ben Elliston <bje@au.ibm.com>
8542 * recog.c: Separate some functions with whitespace.
8544 2006-01-16 Richard Henderson <rth@redhat.com>
8546 Merge from gomp branch:
8547 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8548 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8549 and rename from struct inline_data. Rename callee* to dst*;
8550 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8551 transform_new_cfg, transform_return_to_modify, and
8552 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8554 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8555 (copy_decl_for_dup): Remove.
8556 * tree-inline.c (struct inline_data): Move to header.
8557 (insert_decl_map): Export.
8558 (remap_decl): Update for member name changes. Use copy_decl hook.
8559 Allow for replacement to be a non-decl. Remove dead code.
8560 (remap_type_1): Check for existing mapping.
8561 (remap_type): Export.
8562 (remap_decls): Update for member name changes.
8563 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8564 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8565 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8566 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8567 (tree_function_versioning, build_duplicate_type): Likewise.
8568 (copy_body_r): Likewise. Export.
8569 (copy_decl_for_dup): Split into ...
8570 (copy_decl_for_dup_finish, copy_decl_to_var,
8571 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8572 (replace_ref_tree, inlining_p): Remove.
8574 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8576 * ifcvt.c (if_convert): Make it static.
8577 * rtl.h: Remove the prototype for if_convert.
8579 * local-alloc.c (local_alloc): Make it static.
8580 * rtl.h: Remove the prototype for local_alloc.
8582 * loop.c (loop_optimize): Make it static.
8583 * cfgloop.h: Remove the prototype for loop_optimize.
8586 2006-01-16 DJ Delorie <dj@redhat.com>
8588 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8591 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8593 * pa.md: Disparage copies between general and floating-point registers
8594 in 32-bit move patterns.
8596 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8599 * Makefile.in (check-%): Depend on site.exp instead of
8600 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8603 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8605 * global.c (global_alloc): Make it static.
8606 * rtl.h: Remove the prototype for global_alloc.
8608 2006-01-16 Richard Guenther <rguenther@suse.de>
8610 * tree-ssa-alias.c (struct used_part): Add write_only field.
8611 (get_or_create_used_part_for): Initialize it to true.
8612 (create_overlap_variables_for): Don't create structure variables
8613 for structures that only are written to.
8614 (find_used_portions): Handle MODIFY_EXPR to track whether a
8615 structure is only written to.
8617 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8619 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8621 * basic-block.h: Remove the prototype for
8622 partition_hot_cold_basic_blocks.
8624 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8626 * cppspec.c (lang_specific_spec_functions): Remove.
8627 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8628 * gcc.h (lang_specific_spec_functions): Remove.
8629 * gccspec.c (lang_specific_spec_functions): Remove.
8631 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8633 * combine.c (record_value_for_reg): Invalidate registers
8635 (record_dead_and_set_regs_1): Likewise, by passing them to
8636 record_value_for_reg.
8637 (record_dead_and_set_regs): Invalidate stores made by a
8638 call. We do not combine across a call, but we still
8639 relied on equivalences.
8641 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8643 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8644 vrp_int_const_binop returning non-constant nodes.
8646 2006-01-16 Paul Brook <paul@codesourcery.com>
8648 * config/m68k/m68k.c (output_move_const_into_data_reg):
8649 Output correct mnemonic for mvz and mvs.
8651 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8653 * rtl-factoring.c: Add sequence abstraction algorithm.
8654 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8655 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8657 (block_has_preserve_label): New function.
8658 * common.opt: Register new pass.
8659 * Makefile.in: Ditto.
8661 * timevar.def: Ditto.
8662 * tree-pass.h: Ditto.
8663 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8664 * rtl.h (make_jump_insn_raw): Add forward decl.
8665 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8667 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8668 Roger Sayle <roger@eyesopen.com>
8670 * fold-const.c (fold_minmax): New static function.
8671 (fold_binary) <MIN_EXPR>: Call it.
8672 <MAX_EXPR>: Likewise.
8673 * stor-layout.c (place_field): Use DECL_SIZE consistently
8674 in the computation of the new record size.
8676 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8678 * cse.c (cse_condition_code_reg): Make it static.
8679 * rtl.h: Remove the prototype for cse_condition_code_reg.
8681 * combine.c (combine_instructions): Make it static.
8682 * rtl.h: Remove the prototype for combine_instructions.
8684 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8687 * tree.c (get_file_function_name_long): Concatenate the first global
8688 object name with a string derived from the input filename of the object
8691 2006-01-16 Ben Elliston <bje@au.ibm.com>
8693 * config/i386/winnt-stubs.c: Update FSF address.
8694 * config/xtensa/ieee754-df.S: Ditto.
8695 * config/xtensa/ieee754-sf.S: Ditto.
8697 2006-01-14 Ian Lance Taylor <ian@airs.com>
8699 * ifcvt.c (noce_init_if_info): New static function, broken out of
8700 noce_process_if_block.
8701 (noce_process_if_block): Call noce_init_if_info.
8702 (check_cond_move_block): New static function.
8703 (cond_move_process_if_block): New static function.
8704 (process_if_block): Call cond_move_process_if_block.
8706 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8708 * cselib.c (hash_table): Rename to cselib_hash_table.
8709 (cselib_clear_table, discard_useless_values,
8710 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8711 cselib_init, cselib_finish): Adjust uses of hash_table.
8713 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8715 PR tree-optimization/25485
8716 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8717 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8718 is known to be false and true, respectively.
8720 2006-01-14 Richard Guenther <rguenther@suse.de>
8722 PR tree-optimization/22548
8723 PR tree-optimization/22555
8724 PR tree-optimization/22501
8725 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8726 * params.def (salias-max-array-elements): New parameter.
8727 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8728 * doc/invoke.texi (salias-max-array-elements): Document.
8729 * tree-flow-inline.h (var_can_have_subvars): We also handle
8731 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8733 * tree-ssa-structalias.c (params.h): Include.
8734 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8735 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8736 (get_constraint_for): For ADDR_EXPR operating on something
8737 containing an ARRAY_REF, add all subvars to the solution.
8738 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8739 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8740 for creating MUST_DEFs.
8741 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8743 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8745 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8747 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8748 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8749 number_of_iterations_le): New functions.
8750 (number_of_iterations_special): Removed.
8751 (number_of_iterations_exit): Do not use number_of_iterations_special.
8752 * tree.c (unsigned_type_for): Always return integer type.
8754 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8755 Richard Guenther <rguenther@suse.de>
8757 PR rtl-optimization/24257
8758 * gcse.c (find_moveable_store): Only consider a store movable
8759 when the SET_SRC of the insn can be assigned to a register.
8761 2006-01-14 Ian Lance Taylor <ian@airs.com>
8763 * tree.c (tree_not_class_check_failed): New function.
8764 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8765 (tree_not_class_check_failed): Declare.
8767 2006-01-13 Ian Lance Taylor <ian@airs.com>
8769 * reload1.c (do_output_reload): Add assertion rejecting a
8772 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8774 * combine.c (struct reg_stat): Add new fields truncation_label and
8776 (record_value_for_reg): Reset truncated_to_mode.
8777 (record_truncated_value): New function.
8778 (check_promoted_subreg): Call it. Rename to check_conversions.
8779 (combine_instructions): Rename check_promoted_subreg to
8781 (reg_truncated_to_mode): New function.
8782 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8783 (gen_lowpart_or_truncate): New function.
8784 (force_to_mode): Use it instead of gen_lowpart.
8786 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8788 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8789 VAR is a tag, not its type tag.
8791 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8793 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8794 alternatives to match style of other entries.
8795 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8797 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8799 PR tree-optimization/25771
8800 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8803 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8806 * tree-inline.c (declare_return_variable): If the return variable
8807 was marked as a non gimple complex, set the return slot variable
8808 to be a non gimple comple variable.
8810 2006-01-13 Richard Guenther <rguenther@suse.de>
8812 * builtins.c (expand_builtin_sincos): New function.
8813 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8815 (expand_builtin): Expand sincos using expand_builtin_sincos.
8817 2006-01-12 DJ Delorie <dj@redhat.com>
8819 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8820 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8821 so that constant shifts can be split.
8822 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8823 (m32c_valid_pointer_mode): Make static.
8824 (shift_gen_func_for): New.
8825 (m32c_prepare_shift): Use it. Split large const shifts into
8827 * config/m32c/predicates.md (shiftcount_operand): Allow more
8829 (longshiftcount_operand): New.
8830 * doc/md.texi (Machine Constraints): Document In6.
8832 2006-01-13 Ben Elliston <bje@au.ibm.com>
8834 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8835 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8838 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8840 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8841 to try to avoid clobbering pieces of structures when we know
8842 something about the whole structure.
8843 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8845 2006-01-13 Ben Elliston <bje@au.ibm.com>
8847 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8848 return in memory, as this is no limitation is no longer present.
8850 2006-01-12 DJ Delorie <dj@redhat.com>
8852 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8853 mova with fb, and for fb+0 -> An.
8855 * config/m32c/mov.md (peephole2): Fix enabling logic.
8857 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8858 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8859 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8860 FINI_ARRAY_SECTION_ASM_OP): Define.
8862 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8864 (m32c_legitimize_reload_address): New logic to reload FB to An.
8865 (m32c_output_reg_push): Add newline.
8866 (m32c_output_reg_pop): Likewise.
8868 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8870 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8872 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8874 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8876 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8878 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8881 2006-01-11 Ben Elliston <bje@au.ibm.com>
8883 * rtlanal.c (find_reg_note): Assert insn is not null.
8885 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8887 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8890 2006-01-11 Jeff Law <law@redhat.com>
8892 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8894 (mark_threaded_blocks, register_jump_thread): New functions.
8895 (thread_through_all_blocks): Remove unwanted argument. No
8896 longer rely on e->aux to communicate thread target info.
8897 Call mark_threaded_blocks. Release the threaded_blocks
8898 bitmap and threaded_edges vector when complete.
8899 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8900 (threaded_blocks): Remove.
8901 (tree_ssa_dominator_optimize): Remove initialization and
8902 finalization of threaded_blocks. Simplify call to
8903 thread_through_all_blocks.
8904 (thread_across_edge): Call register_jump_thread rather than
8905 storing thread information into e->aux.
8906 (free_all_edge_infos): Simplify now that e->aux is no longer
8907 used to communicate with thread_through_all_blocks.
8908 * tree-flow.h (thread_through_all_blocks): Update prototype.
8909 (register_jump_thread): Prototype.
8911 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8913 * df-core.c (df_compact_blocks, df_bb_replace): Use
8914 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8916 2006-01-11 Richard Guenther <rguenther@suse.de>
8918 PR tree-optimization/25734
8919 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8920 stop propagation after successful propagation to the LHS.
8922 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8924 * basic-block.h (control_flow_graph): Change the type of
8925 x_basic_block_info to VEC(basic_block,gc) *.
8926 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8928 (SET_BASIC_BLOCK): New.
8929 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8930 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8931 * cfgbuild.c (find_basic_blocks): Likewise.
8932 * cfglayout.c (fixup_reorder_chain): Likewise.
8933 * cfgrtl.c (create_basic_block_structure,
8934 rtl_create_basic_block): Likewise.
8935 * ifcvt.c (find_if_case_1): Likewise.
8936 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8939 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8941 * Makefile.in: Removed rotted odf.c entry.
8943 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8946 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8947 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8948 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8949 output pattern modifier, not %e.
8950 * config/cris/cris.c (cris_op_str): Update comment about pattern
8952 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8953 before falling through into...
8954 <case 'E'>: Redefined from old 'e' case.
8956 2006-01-11 Jan Hubicka <jh@suse.cz>
8959 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8961 2006-01-11 Jan Hubicka <jh@suse.cz>
8963 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8964 * i386.c (x86_decompose_lea): Kill.
8965 (ix86_rtx_costs): Kill.
8967 2006-01-11 Jan Hubicka <jh@suse.cz>
8969 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8970 * cgraph.h (cgraph_node): Add inline_decl.
8971 (cgraph_insert_node_to_hashtable): Declare.
8972 (save_inline_function_body): Declare.
8973 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8975 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8976 (cgraph_function_versioning): Update call of tree_function_versioning.
8977 (save_inline_function_body): New function.
8978 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8979 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8980 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8981 (cgraph_default_inline_p): Likewise.
8982 (cgraph_decide_inlining_incrementally): Likewise.
8983 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8984 (copy_bb): Kill saving; do updating of clones.
8985 (copy_cfg_body): Kill saving.
8986 (initialize_inlined-parameters): Likewise.
8987 (expand_call_inline): Likewise.
8989 (tree_function_versioning): New parameter "update_clones".
8990 (inlining_p): Kill saving.
8991 * tree-inline.h (tree_function_versioning): Update prototype.
8992 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8995 2006-01-11 Ian Lance Taylor <ian@airs.com>
8997 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8998 Allow undoing set of machine mode.
8999 (do_SUBST): Use enums instead of is_int.
9000 (do_SUBST_MODE): New function.
9001 (SUBST_MODE): New macro.
9002 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9003 reg and trying to replace reg_regno_rtx with a new register.
9004 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9005 (simplify_set): Use SUBST_MODE.
9006 (distribute_notes): Remove code that tried to update reg notes
9007 for regno_reg_rtx changes.
9009 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9011 PR tree-optimization/23109
9012 PR tree-optimization/23948
9013 PR tree-optimization/24123
9015 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9016 * tree-cfg.c (single_noncomplex_succ): New.
9017 * tree-flow.h (single_noncomplex_succ): Declare it.
9018 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9019 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9020 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9021 insert_bb, register_division_in, insert_reciprocals,
9022 replace_reciprocal, free_bb): New.
9023 (execute_cse_reciprocals_1): Rewritten.
9024 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9025 Do not commit any edge insertion. Always compute dominators and
9026 create the allocation pool.
9027 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9028 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9029 * targhooks.c (default_min_divistions_for_recip_mul): New.
9030 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9031 * passes.c (init_optimization_passes): Run recip after tree loop
9033 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9035 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9036 Kenneth Zadeck <zadeck@naturalbridge.com>
9038 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9039 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9040 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9041 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9042 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9043 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9044 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9045 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9046 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9047 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9048 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9049 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9050 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9051 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9052 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9053 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9054 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9055 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9056 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9057 DF_SCAN_POST_ALLOC): New macros.
9058 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9059 df_free_bb_function, df_local_compute_function, df_init_function,
9060 df_dataflow_function, df_confluence_function_0,
9061 df_confluence_function_n, df_transfer_function,
9062 df_finalizer_function, df_free_function, df_dump_problem_function,
9063 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9064 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9065 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9066 df_urec_bb_info, ) New types.
9067 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9069 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9070 df_analyze_simple_change_some_blocks,
9071 df_analyze_simple_change_one_block, df_compact_blocks,
9072 df_bb_replace, df_bb_regno_last_use_find,
9073 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9074 df_insn_regno_def_p, df_find_def, df_find_use,
9075 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9076 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9077 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9078 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9079 debug_df_chain, df_get_dependent_problem, df_chain_create,
9080 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9081 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9082 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9083 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9084 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9085 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9086 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9087 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9088 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9089 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9090 df_reorganize_refs, df_set_state, df_hard_reg_init,
9091 df_read_modify_subreg_p) New public functions.
9092 * df-core.c: The core dataflow solver and glue routines for rtl
9094 (df_init, df_add_problem, df_set_blocks, df_finish,
9095 df_hybrid_search_forward, df_hybrid_search_backward,
9096 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9097 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9098 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9099 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9100 df_reg_defined, df_find_use, df_reg_used, df_dump,
9101 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9102 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9103 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9104 debug_df_useno, reset_df_after_reload): New functions.
9105 * df-scan.c: The scanning fuctions, once in df.c, completely
9106 rewritten so that they now fully model the functionality of
9107 register usage at the backend.
9108 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9109 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9110 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9111 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9112 df_get_artificial_defs, df_get_artificial_uses,
9113 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9114 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9115 df_refs_delete, df_reorganize_refs, df_set_state,
9116 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9117 df_def_record_1, df_defs_record, df_uses_record,
9118 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9119 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9120 df_record_exit_block_uses, df_hard_reg_init): New functions.
9122 * df-problems.c: Seven concrete dataflow problems that use the
9123 scanning in df-scan.c and are solved by the engine in df-core.c.
9124 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9125 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9126 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9127 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9128 df_ru_free_bb_info, df_ru_alloc,
9129 df_ru_bb_local_compute_process_def,
9130 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9131 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9132 df_ru_transfer_function, df_ru_free, df_ru_dump,
9133 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9134 df_rd_free_bb_info, df_rd_alloc,
9135 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9136 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9137 df_rd_transfer_function, df_rd_free, df_rd_dump,
9138 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9139 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9140 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9141 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9142 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9143 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9144 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9145 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9146 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9147 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9148 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9149 df_urec_mark_reg_use_for_earlyclobber,
9150 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9151 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9152 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9153 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9154 df_chain_create_bb_process_use, df_chain_create_bb,
9155 df_chain_finalize, df_chain_free, df_chains_dump,
9156 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9157 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9158 df_reg_lifetime): New functions.
9159 * df.c: Deleted file.
9160 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9161 consistent with new df api.
9162 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9163 rest_of_handle_sms): Ditto.
9164 * web.c (unionfind_union, union_defs, entry_register, web_main):
9166 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9167 invariant_expr_equal_p, find_defs, check_dependencies,
9168 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9169 free_inv_motion_data, move_loop_invariants): Ditto.
9170 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9171 Update dependencies.
9172 (odf.c): Added defective entry that was deleted later in day.
9173 * sched-deps.c (sched_analyze_1): Ditto.
9175 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9177 * tree-ssa-operands.c (get_expr_operands): Record addressable
9178 variables directly. Do not call add_stmt_operands for CONST_DECLs
9180 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9181 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9183 2006-01-11 Ben Elliston <bje@au.ibm.com>
9185 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9186 function returns true in the positive case.
9188 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9191 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9192 for SI, DI, SF and DF modes. Add alternatives to copy between
9193 general and floating point registers to the 32-bit patterns.
9194 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9195 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9196 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9197 generating 64-bit code.
9198 * config/pa/pa.c (output_move_double): Handle copies between general
9199 and floating registers.
9201 2006-01-10 Stuart Hastings <stuart@apple.com>
9203 * config/i386/i386.md (set_got): Update.
9204 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9205 (builtin_setjmp_receiver): Mach-O support.
9206 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9207 (GOT_SYMBOL_NAME): Define.
9208 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9209 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9210 * config/i386/i386.c (override_options): Revise for Darwin.
9211 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9212 support. (darwin_x86_file_end): New. (output_set_got): Add label
9213 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9214 * config/i386/i386-protos.h (output_set_got): Likewise.
9215 * config/darwin.c (machopic_legitimize_pic_address): Update
9218 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9220 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9221 when MODE isn't BLKmode.
9223 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9225 PR rtl-optimization/25367
9226 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9228 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9231 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9232 for a negative bound.
9234 2006-01-10 Richard Guenther <rguenther@suse.de>
9236 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9237 Never override with anything constraint.
9239 2006-01-10 Jan Beulich <jbeulich@novell.com>
9241 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9242 256 bits when optimize_size.
9244 2006-01-10 Jan Beulich <jbeulich@novell.com>
9246 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9248 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9249 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9252 2006-01-10 Ben Elliston <bje@au.ibm.com>
9254 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9256 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9257 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9258 (USE_FP_FOR_ARG): Reject decimal float modes.
9259 (function_arg_advance): Likewise.
9260 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9261 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9262 point types in AltiVec vectors.
9263 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9264 (rs6000_libcall_value): Likewise.
9266 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9268 * config/xtensa/ieee754-df.S: New file.
9269 * config/xtensa/ieee754-sf.S: New file.
9270 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9271 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9272 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9274 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9276 * config/sh/predicates.md (binary_float_operator,
9277 binary_logical_operator, commutative_float_operator,
9278 equality_comparison_operator, greater_comparison_operator,
9279 less_comparison_operator, logical_operator,
9280 noncommutative_float_operator, shift_operator,
9281 symbol_ref_operand, unary_float_operator): Remove redundant
9284 2006-01-09 Jeff Law <law@redhat.com>
9286 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9287 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9288 now unused arguments. Callers updated.
9289 (eliminate_redundant_computations): Remove now unused arguments,
9291 (local_fold): Remove, no longer used.
9292 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9294 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9295 (simplify_cond): New function.
9296 (forward_propagate_into_cond): Call simplify_cond.
9298 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9300 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9301 (*vec_extractv2di_1_sse): New.
9303 2006-01-09 Ben Elliston <bje@au.ibm.com>
9305 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9307 2006-01-08 Richard Guenther <rguenther@suse.de>
9309 * tree-ssa-structalias.c (get_constraint_for): Remove
9311 (get_constraint_for_component_ref): Likewise.
9312 (do_deref): Likewise.
9313 (get_constraint_for): Likewise.
9314 (do_structure_copy): Likewise.
9315 (handle_ptr_arith): Likewise.
9316 (find_func_aliases): Likewise. Remove unused need_anyoffset
9319 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9320 Kaz Kojima <kkojima@gcc.gnu.org>
9322 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9323 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9324 (EXTRA_CONSTRAINT_C16): Remove.
9325 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9326 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9327 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9328 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9329 constants of SHmedia. Handle nested constant expressions of
9331 (andcosts): Fix the costs for SHmedia constants.
9332 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9333 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9334 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9335 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9336 (movv4hi_i, movv2si_i): Likewise.
9337 (movsi_const): Adjust the second operand of ior so to match with
9339 (movdi_const, movdi_const_32bit): Likewise.
9340 (movdi_const_16bit+1): Don't sign-extend LOW.
9341 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9343 (*double_shori): Fix the split condition. Use GEN_INT instead
9344 of get_int_mode calls. Mask lower 16-bit of the argument of
9346 (sym2GOTPLT): Remove.
9347 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9349 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9350 instead of EXTRA_CONSTRAINT_C16.
9352 2006-01-07 Ian Lance Taylor <ian@airs.com>
9353 David Edelsohn <edelsohn@gnu.org>
9355 PR rtl-optimization/25662
9356 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9357 for constant operands instead of simplify_gen_binary.
9358 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9359 after trying simplify_binary_operation
9361 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9363 * tree.c (iterative_hash_expr): Hash decls based on UID.
9365 2006-01-06 Eric Christopher <echristo@apple.com>
9367 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9368 (TARGET_UNWIND_EMIT): Fix spelling.
9369 * target.h (gcc_target): Add except_table_label.
9370 * except.c (output_function_exception_table): Use.
9371 * varasm.c (default_emit_except_table_label): New.
9372 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9374 (asm_out): Add here.
9375 * output.h (default_emit_except_table_label): Prototype.
9376 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9377 * config/darwin.c (darwin_emit_except_table_label): Define.
9378 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9380 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9382 PR tree-optimization/18527
9383 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9384 number_of_iterations_special, number_of_iterations_exit):
9385 Move base and step of an iv to a single structure. Add
9386 no_overflow flag, and use it in # of iterations analysis.
9387 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9388 folded_casts argument.
9389 (simple_iv): Pass base and step in a structure. Set no_overflow
9391 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9392 Evaluate expensiveness of computing # of iterations instead of
9393 the final expression.
9394 * tree-scalar-evolution.h (affine_iv): New structure.
9395 (simple_iv): Declaration changed.
9396 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9397 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9398 find_givs_in_stmt): Changed due to simple_iv change.
9400 2006-01-06 Jeff Law <law@redhat.com>
9403 * tree-cfg.c (bsi_replace): Rename final argument from
9404 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9405 change (stmt -> orig_stmt).
9406 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9407 (bsi_remove): Add new argument. Remove EH information
9409 (verify_eh_throw_table_statements): New function.
9410 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9412 * tree-optimize.c (execute_free_cfg_annotations): Verify
9413 the EH throw statement table after removing annotations.
9414 * except.h (verify_eh_throw_table_statements): Prototype.
9415 * tree-flow.h (bsi_remove): Update prototype.
9416 * tree-vrp.c (remove_range_assertions): Add new argument to
9418 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9419 * tree-complex.c (expand_complex_div_wide): Likewise.
9420 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9421 * tree-tailcall.c (eliminate_tailcall): Likewise.
9422 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9423 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9424 * tree-nrv.c (tree_nrv): Likewise.
9425 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9426 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9427 (combine_blocks): Likewise.
9428 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9429 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9430 (cleanup_control_flow): Likewise.
9431 (remove_forwarder_block): Likewise.
9432 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9433 * tree-sra.c (sra_replace): Likewise.
9434 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9435 (forward_propagate_single_use_vars): Likewise.
9436 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9437 * tree-inline.c (expand_call_inline): Likewise.
9438 * tree-vect-transform.c (vect_transform_loop): Likewise.
9439 * tree-outof-ssa.c (rewrite_trees): Likewise.
9440 * tree-cfg.c (make_goto_expr_edges): Likewise.
9441 (cleanup_dead_labels): Likewise.
9442 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9443 (bsi_move_before, bsi_move_after): Likewise.
9444 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9445 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9447 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9450 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9452 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9453 on non gimple variables. Also add checks at the top for decls and
9455 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9457 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9458 and IMAGPART_EXPR for creating MUST_DEFs.
9459 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9460 and NAME_MEMORY_TAG separately from the DECLs.
9462 2006-01-06 Richard Guenther <rguenther@suse.de>
9464 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9465 annotation, if necessary.
9466 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9467 redundant calls to update_stmt.
9468 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9471 2006-01-05 Richard Henderson <rth@redhat.com>
9473 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9475 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9477 * c-typeck.c: Update copyright date.
9479 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9481 * c-typeck.c (build_c_cast): Always warn when casting
9482 from a pointer to an integer of different size, even if
9483 the node was constant.
9485 2006-01-05 Richard Guenther <rguenther@suse.de>
9487 PR tree-optimization/22555
9488 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9489 if one structure field is an array.
9490 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9491 operands even if we found a subvar, but ignore VOPs in this
9493 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9495 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9497 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9500 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9502 2006-01-05 Richard Guenther <rguenther@suse.de>
9503 Diego Novillo <dnovillo@redhat.com>
9505 * tree-pass.h (TODO_remove_unused_locals): Define.
9506 * gimple-low.c (expand_var_p, remove_useless_vars,
9507 pass_remove_useless_vars): Remove. Update all users.
9508 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9509 (remove_unused_locals): New function.
9510 * tree-flow.h (remove_unused_locals): Declare.
9511 * passes.c (execute_todo): Call remove_unused_locals if
9512 TODO_remove_unused_locals is set.
9513 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9514 * tree-ssa-dce.c (pass_dce): Likewise.
9515 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9517 2006-01-05 Richard Guenther <rguenther@suse.de>
9519 * tree-flow.h (struct fieldoff): Decompose field to
9520 type, size and decl.
9521 * tree-ssa-alias.c (create_sft): Take type as parameter.
9522 (create_overlap_variables_for): Store type, size and decl
9523 in the fieldoff structure.
9524 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9526 (push_fields_onto_fieldstack): Likewise.
9527 (create_variable_info_for): Likewise. Use offset for the
9528 SFT name if the decl is not available.
9530 2006-01-04 Paul Brook <paul@codesourcery.com>
9532 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9534 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9536 * lambda-code.c (can_put_in_inner_loop): Relax
9538 (can_put_after_inner_loop): New function.
9539 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9540 (perfect_nestify): Change to make copies and modify uses.
9542 2006-01-04 Richard Henderson <rth@redhat.com>
9544 Merge from gomp branch:
9545 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9546 via integer constant.
9547 (pragma_lex): Remove.
9548 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9549 rather than parsing it.
9550 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9551 handle_pragma_extern_prefix): Add %< %> quotes.
9552 (registered_pragmas): New.
9553 (c_register_pragma_1): New.
9554 (c_register_pragma): Use it.
9555 (c_register_pragma_with_expansion): Likewise.
9556 (c_invoke_pragma_handler): New.
9557 (init_pragma): Use cpp_register_deferred_pragma directly for
9559 * c-pragma.h (enum pragma_kind): New.
9560 (pragma_handler): New.
9561 (c_invoke_pragma_handler): Declare.
9562 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9564 * c-common.h (c_common_pch_pragma): Update decl.
9565 * Makefile.in (c-parser.o): Update dependencies.
9566 (GTFILES): Add c-pragma.h.
9567 * c-parser.c (struct c_token): Add pragma_kind.
9568 (struct c_parser): Add in_pragma.
9569 (c_lex_one_token): Always initialize keyword and pragma_kind.
9570 Extract data for CPP_PRAGMA.
9571 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9572 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9573 Don't allow CPP_PRAGMA_EOL if in_pragma.
9574 (c_parser_consume_pragma): New.
9575 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9576 (c_parser_skip_to_end_of_parameter): Likewise.
9577 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9578 (c_parser_skip_to_pragma_eol): New.
9579 (c_parser_external_declaration): Handle CPP_PRAGMA.
9580 (c_parser_compound_statement_nostart): Likewise.
9581 (c_parser_statement_after_labels): Likewise.
9582 (c_parser_pragma): New.
9583 (pragma_lex): Likewise.
9584 (c_parser_pragma_pch_preprocess): New.
9585 (c_parser_new): Merge into ...
9586 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9588 2006-01-04 Jeff Law <law@redhat.com>
9591 * tree-cfg.c (bsi_replace): Remove the original statement
9592 from the EH throw statement table.
9594 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9596 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9597 make the prototype extern "C" and add throw ().
9600 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9601 and pos non-negative and pos + len <= 32.
9602 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9603 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9604 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9607 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9608 as well as sizes not multiple of component size.
9611 * function.c (instantiate_expr): New function.
9612 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9613 walk its DECL_VALUE_EXPR with instantiate_expr.
9615 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9616 DW_OP_deref{,_size} if address isn't going to be added.
9618 2006-01-04 Ben Elliston <bje@au.ibm.com>
9620 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9621 * config/fp-bit.c: Likewise.
9623 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9625 * dominance.c: Add comment about why we use DFS numbering
9628 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9629 Richard Henderson <rth@redhat.com>
9631 Merge from gomp-branch:
9632 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9633 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9635 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9637 PR rtl-optimization/25578
9638 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9639 pass a parameter to simplify_shift_const if changing ASHIFTRT
9642 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9644 * builtins.c (get_builtin_sync_mem): New function.
9645 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9646 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9647 Call get_builtin_sync_mem to generate mem rtx.
9649 2006-01-03 Richard Guenther <rguenther@suse.de>
9652 * stmt.c (add_case_node): Make sure to clear overflow flags
9655 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9657 Merge from gomp-branch.
9658 * config/sparc/sync.md: New file.
9659 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9660 UNSPECV_LDSTUB): New constants.
9661 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9662 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9663 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9666 2006-01-03 Roger Sayle <roger@eyesopen.com>
9668 * combine.c (reg_subword_p): New predicate to test whether the
9669 destination of a set refers to a subword/piece of a register.
9670 (try_combine): Generalize the code to merge the setting of a
9671 pseudo to a constant followed by a set of a subword of that
9672 register to a constant.
9674 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9676 * basic-block.h (control_flow_graph): Change the type of
9677 x_label_to_block_map to VEC(basic_block,gc) *.
9678 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9679 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9681 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9682 VEC(basic_block,heap) *.
9683 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9684 ssa_prop_fini): Adjust the uses of cfg_blocks.
9686 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9688 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9690 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9691 hashing trees instead of a pointer hash.
9692 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9693 compare for MEM_EXPR.
9695 PR rtl-optimization/25130
9696 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9697 when comparing MEMs for GCSE
9699 2006-01-03 Ben Elliston <bje@au.ibm.com>
9701 * targhooks.h (default_decimal_float_supported_p): Declare.
9702 * targhooks.c (default_decimal_float_supported_p): Define.
9703 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9704 `default_decimal_float_supported_p'.
9705 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9707 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9709 * combine.c (apply_distributive_law <SUBREG>): Check
9710 TRULY_NOOP_TRUNCATION.
9712 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9714 * dwarf2out.c (have_switched_text_section): Delete.
9715 (have_multiple_function_sections): New.
9716 (have_location_lists): Make 'bool'.
9717 (add_AT_loc_list): Use 'true' not '1'.
9718 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9719 (output_loc_list): Use have_multiple_function_sections.
9720 (output_ranges): Likewise.
9721 (dwarf2out_begin_function): Set have_multiple_function_sections if
9723 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9724 Check function_section rather than DECL_SECTION_NAME.
9725 (dwarf2out_finish): Use have_multiple_function_sections.
9726 Don't clear have_location_lists.
9728 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9729 Jan Hubicka <jh@suse.cz>
9731 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9732 case of conditional jump jumping to the next instruction.
9733 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9734 cases of conditional jump jumping to the next instruction.
9736 2006-01-02 Jan Hubicka <jh@suse.cz>
9738 * i386.c (*_cost): Add COSTS_N_INSNS.
9739 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9741 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9744 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9746 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9748 * config/arm/arm.c (all_fpus): Fix comment typo.
9749 * config/darwin.c: Likewise.
9750 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9751 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9752 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9754 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9756 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9757 (rs6000_split_compare_and_swapqhi): New.
9758 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9759 (sync_compare_and_swapqhi_internal): New.
9760 * config/rs6000/rs6000-protos.h: Declare.