1 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10 fp regs if the last fp arg doesn't fit in regs.
12 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
15 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
16 that the last insn has the REG_INC note.
18 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
19 Nathan Sidwell <nathan@codesourcery.com>
22 * stor-layout.c (update_alignment_for_field): Do not align
24 (place_union_field): Place union field at the start of the union.
25 (place_field): Move ERROR_MARK check later, and use the current
26 allocation position to maintain monotonicity.
28 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
30 * dominance.c: Include timevar.h.
31 (calculate_dominance_info): Use TV_DOMINANCE.
32 * timevar.def (TV_DOMINANCE): New timevar.
33 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
35 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
37 PR rtl-optimization/14261
38 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
39 move would be an INSV insn.
40 (noce_process_if_block): Don't optimize if the destination is a
41 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
43 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
45 * config/s390/s390.md: Add comments with the instructions emitted
46 by an insn pattern if macros are used.
48 2006-04-19 Alan Modra <amodra@bigpond.net.au>
50 PR rtl-optimization/26026
51 * fold-const.c (fold_binary): Optimize div and mod where the divisor
52 is a known power of two shifted left a variable amount.
54 2006-04-18 Geoffrey Keating <geoffk@apple.com>
56 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
57 to hash table twice when the debug_str section has SECTION_MERGE.
59 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
61 * config/soft-fp: New directory. From glibc.
62 * config/soft-fp/t-softfp: New.
63 * config/soft-fp/README: New.
64 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
65 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
66 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
67 (LIBGCC_DEPS): Add $(SFP_MACHINE).
68 * config.gcc: Use rs6000/t-fprules-fpbit or
69 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
71 * config/rs6000/sfp-machine.h: New. Based on glibc.
72 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
74 * config/rs6000/t-fprules: Remove fp-bit rules.
75 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
76 * config/rs6000/t-linux64: Likewise. Remove duplicates from
77 LIB2FUNCS_EXTRA. Remove fp-bit rules.
78 (softfp_wrap_start, softfp_wrap_end): New.
80 2006-04-18 DJ Delorie <dj@redhat.com>
82 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
84 2006-04-18 Devang Patel <dpatel@apple.com>
86 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
88 2006-04-18 Nick Clifton <nickc@redhat.com>
90 * config/sh/t-symbian: Add rule to build sh-c.o
91 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
92 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
93 (sh_symbian_encode_section_info): Likewise.
95 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
97 * builtins.c (expand_builtin_strcmp): Cover label definition of
98 do_libcall with HAVE_cmpstrnsi.
100 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
102 * function.c (temp_slots_at_level, max_slot_level): Use VEC
104 * function.h (temp_slot_p): New.
105 (function): Change the type of x_used_temp_slots to
106 VEC(temp_slot_p,gc) *.
108 2006-04-18 Nick Clifton <nickc@redhat.com>
110 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
111 flag_strength_reduce.
113 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
115 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
119 Partial revert of revision 112637
120 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
121 Dale Johannesen <dalej@apple.com>
124 * regclass.c (struct reg_pref): Update documentation.
125 (regclass): Set prefclass to NO_REGS if memory is the best option.
126 (record_reg_classes): Cope with a prefclass set to NO_REGS.
128 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
130 PR tree-optimization/26821
131 * tree-ssa-math-opts.c (get_constant_one): New.
132 (insert_reciprocals): Use it.
134 2006-04-17 Geoffrey Keating <geoffk@apple.com>
136 * dwarf2out.c (free_AT): Delete.
137 (remove_AT): Update string ref counts.
138 (remove_child_TAG): Don't call free_die.
140 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
142 (prune_unused_types_walk_attribs): Reset string refcounts.
143 (prune_unused_types_update_strings): New.
144 (prune_unused_types_prune): Don't make unnecessary stores. Don't
145 call free_die. Do call prune_unused_types_update_strings.
146 (prune_unused_types): Empty debug_str_hash.
148 2006-04-17 Roger Sayle <roger@eyesopen.com>
150 * expr.c (expand_assignment): Optimize away no-op moves where the
151 source and destination are equal and have no side-effects.
153 2006-04-17 Richard Guenther <rguenther@suse.de>
156 * reload.c (push_reload): Guard calls to get_secondary_mem
159 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
161 * alias.c (reg_base_value, old_reg_base_value): Change the
162 type to VEC(rtx,gc) *.
163 (REG_BASE_VALUE, find_base_value, record_set,
164 init_alias_analysis): Use VEC instead of VARRAY.
166 * alias.c (alias_sets): Change the type to
167 VEC(alias_set_entry,gc) *.
168 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
169 VEC instead of VARRAY.
170 (last_alias_set): Remove.
172 * cgraph.h (cgraph_edge_p): New.
173 Update the prototype of cgraph_function_versioning.
174 * cgraphunit.c (cgraph_copy_node_for_versioning,
175 cgraph_function_versioning): Use VEC instead of VARRAY.
176 * ipa-cp.c (ipcp_insert_stage): Likewise.
178 2006-04-16 Roger Sayle <roger@eyesopen.com>
181 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
182 "A op B" or "A op C", we may need to convert A to the type of B and C.
184 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
186 * target.h (struct gcc_target): Add mode_rep_extended.
187 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
188 (init_num_sign_bit_copies_in_rep): Initialize it using
190 (truncate_to_mode): Use it.
191 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
192 * targhooks.h (default_mode_rep_extended): Declare it.
193 * targhooks.c (default_mode_rep_extended): Define it.
194 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
195 default_mode_rep_extended.
196 (TARGET_INITIALIZER): Include it.
197 * doc/tm.texi (Misc): Document it.
198 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
199 (mips_truncated_to_mode): New function.
201 2006-04-16 Roger Sayle <roger@eyesopen.com>
204 * expr.c (compress_float_constant): Copy the narrow constant into
205 a new pseudo before extending it to its final width.
207 2006-04-16 Roger Sayle <roger@eyesopen.com>
208 Andrew Pinski <pinskia@gcc.gnu.org>
209 Dale Johannesen <dalej@apple.com>
212 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
213 special case code to implement V8HImode and V16QImode with SSE2.
215 2006-04-15 Roger Sayle <roger@eyesopen.com>
217 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
218 trees are constructed with a suitable tree type.
220 2006-04-15 Roger Sayle <roger@eyesopen.com>
222 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
223 (integer_onep): Likewise.
224 (integer_all_onesp): Likewise.
225 (integer_pow2p): Likewise.
226 (integer_nonzerop): Likewise.
227 (real_zerop): Likewise.
228 (real_onep): Likewise.
229 (real_twop): Likewise.
230 (real_minus_onep): Likewise.
231 (int_size_in_bytes): Likewise.
232 (host_integerp): Likewise.
234 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
236 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
237 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
238 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
240 * tree-ssa-structalias.h (alias_info): Remove num_references.
242 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
244 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
245 (output_bvb patterns): Likewise.
246 * pa.c (output_bb): Use 'bb' insn for long branch case.
247 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
248 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
249 1. Correct length operand for alternatives 1 and 2.
250 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
251 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
253 2006-04-14 Roger Sayle <roger@eyesopen.com>
255 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
256 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
257 were accidentally reverted by r112959.
259 2006-04-15 Jakub Jelinek <jakub@redhat.com>
262 * except.h (eh_region_outermost): New prototype.
263 * except.c (eh_region_outermost): New function.
264 * tree-cfg.c (find_outermost_region_in_block): Use it.
266 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
268 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
270 * reload1.c (reg_equiv_memory_loc_varray): Rename to
271 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
272 (init_reload, reload): Use VEC instead of VARRAY.
273 * reload.h: Update the prototype for
274 reg_equiv_memory_loc_varray.
276 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
277 Eric Botcazou <ebotcazou@libertysurf.fr>
279 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
282 2005-04-13 Uros Bizjak <uros@kss-loka.si>
285 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
286 to expand fallback builtin function call.
288 2006-04-14 Alan Modra <amodra@bigpond.net.au>
291 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
292 and emit libcall here in case the builtin fails.
293 (expand_builtin_strcmp): Always emit the libcall here on failure.
295 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
297 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
298 * flow.c (reg_n_info): Change the type to
299 VEC(reg_info_p,heap) *.
300 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
302 * regs.h (reg_info_p): New.
303 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
304 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
305 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
308 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
310 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
312 * params.h (MAX_SCHED_READY_INSNS): New macro.
313 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
314 past MAX_SCHED_READY_INSNS during the first scheduling pass.
315 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
316 the ready list for 1 cycle during the first scheduling pass.
317 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
319 2006-04-13 Richard Henderson <rth@redhat.com>
322 * gimple-low.c (lower_omp_directive): Remove dead code.
323 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
324 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
325 * omp-low.c (struct omp_region): Move to tree-flow.h.
326 (root_omp_region): Export.
327 (omp_regions, lookup_omp_region): Remove.
328 (determine_parallel_type): Update for struct omp_region changes.
329 (dump_omp_region): Dump regions with block numbers.
330 (new_omp_region): Take type and block instead of stmt; malloc
332 (free_omp_region_1, free_omp_regions): New.
333 (expand_parallel_call): Take entry_stmt as argument; update for
334 changes to omp_region.
335 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
336 (remove_exit_barriers): New.
337 (expand_omp_parallel): Update for struct omp_region changes.
338 (expand_omp_synch): Likewise.
339 (expand_omp): Likewise.
340 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
341 (expand_omp_for_static_chunk): Likewise.
342 (expand_omp_for): Likewise.
343 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
344 (expand_omp_sections): Similarly, with GOMP_sections_end.
345 (expand_omp_single): New.
346 (build_omp_regions_1): Update for OMP_CONTINUE.
347 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
348 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
349 OMP_SECTIONS_SECTIONS.
350 (lower_omp_single_simple): Don't emit barrier here.
351 (lower_omp_single_copy): Likewise.
352 (lower_omp_single): Fix bindings, and lower to straightline now.
353 (lower_omp_master, lower_omp_ordered): Likewise.
354 (lower_omp_critical): Likewise.
355 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
356 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
357 omp edges, free it afterward.
358 (make_omp_sections_edges): Remove.
359 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
360 (move_stmt_r): Handle OMP_CONTINUE.
361 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
362 statement pointers to basic blocks. Add type member.
363 (root_omp_region, new_omp_region, free_omp_regions): Declare.
364 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
365 * tree-inline.c (estimate_num_insns_1): Likewise.
366 * tree-pretty-print.c (dump_generic_node): Likewise.
367 * tree-ssa-operands.c (get_expr_operands): Likewise.
368 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
369 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
371 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
372 (OMP_SECTIONS_SECTIONS): Remove.
373 (OMP_SECTION_LAST): New.
374 (OMP_RETURN_NOWAIT): New.
376 2006-04-13 Roger Sayle <roger@eyesopen.com>
378 * fold-const.c (native_encode_vector, native_interpret_real):
379 Correct obvious mistakes in the previous check-in.
381 2006-04-13 Roger Sayle <roger@eyesopen.com>
383 * fold-const.c (native_encode_expr): New function to encode
384 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
385 or VECTOR_CST into a specified buffer.
386 (native_encode_int): New function.
387 (native_encode_real): New function.
388 (native_encode_complex): New function.
389 (native_encode_vector): New function.
390 (native_interpret_expr): Inverse of native_encode_expr to convert
391 a target representation into an INTEGER_CST, REAL_CST etc...
392 (native_interpret_int): New function.
393 (native_interpret_real): New function.
394 (native_interpret_complex): New function.
395 (native_interpret_vector): New function.
396 (fold_view_convert_expr): New function to constant fold/evaluate
397 a VIEW_CONVERT_EXPR of a suitable constant expression.
398 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
399 Change call of build1 to fold_build1 when constructing a
402 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
403 Ulrich Weigand <uweigand@de.ibm.com>
406 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
409 2006-04-13 Alan Modra <amodra@bigpond.net.au>
412 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
413 optimize to lo_sum for DFmode if !TARGET_FPRS.
415 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
417 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
418 delete_alias_info, compute_flow_sensitive_aliasing,
419 group_aliases): Use VEC instead of VARRAY.
420 * tree-ssa-structalias.c (update_alias_info): Likewise.
421 * tree-ssa-structalias.h (alias_info): Change the type of
422 processed_ptrs to VEC(tree,heap) *.
424 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
427 * config/sh/lib1funcs.h: New file, broken out of:
428 * config/sh/lib1funcs.asm.
429 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
431 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
432 * config/sh/lib1funcs-Os-4-200.asm: New file.
433 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
434 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
435 (EXTRA_MULTILIB_PARTS): Include it.
436 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
437 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
438 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
439 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
442 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
444 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
445 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
446 tpa_compact, root_var_init, type_var_init): Use VEC instead of
448 * tree-ssa-live.h: Include vecprim.h.
449 (tree_partition_associator_d): Change the type of
450 first_partition to VEC(int,heap) *.
451 (tpa_first_partition): Use VEC instead of VARRAY.
453 * Makefile.in (GTFILES): Move functions.h after tree.h.
454 * function.c (reset_block_changes, record_block_change,
455 check_block_change, free_block_changes): Use VEC instead of
457 * function.h (function): Change the type of
458 ib_boundaries_block to VEC(tree,gc) *.
459 * tree-inline.c (copy_cfg_body): Initialize
460 ib_boundaries_block to NULL instead of (varray_type) 0.
462 2006-04-12 Roger Sayle <roger@eyesopen.com>
464 * expr.c (emit_group_store): Correct operand order in call to
465 subreg_lowpart_offset. Always create paradoxical SUBREGs with
466 a SUBREG_BYTE of zero.
468 2006-04-12 Richard Guenther <rguenther@suse.de>
470 * profile.c (compute_branch_probabilities): Remove code
471 encapsulated in !ir_type (), which are remanents of the
472 removed RTL profiling code.
473 * rtl-profile.c: Remove.
475 2006-04-12 Alan Modra <amodra@bigpond.net.au>
477 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
478 magic NULL_RTX comment.
479 (function_arg): Store entire fp arg to mem if any part should go
481 (rs6000_arg_partial_bytes): Adjust for above change.
483 2006-04-11 Roger Sayle <roger@eyesopen.com>
485 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
486 if it hasn't been initialized by dwarf2out_init.
488 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
490 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
491 symbolic constants in branch patterns.
493 2006-04-11 Roger Sayle <roger@eyesopen.com>
495 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
497 2006-04-11 Richard Sandiford <richard@codesourcery.com>
499 PR rtl-optimization/27073
500 * gcse.c (try_replace_reg): Revert last change. Continue to search
501 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
504 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
506 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
507 aggregate types other than record and union types.
508 (function_arg): Likewise.
509 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
511 (function_value): In 64-bit mode, return objects that require it
514 2006-04-11 Roger Sayle <roger@eyesopen.com>
516 * dwarf2out.c (premark_used_types): Remove problematic prototype.
518 2006-04-11 Jakub Jelinek <jakub@redhat.com>
520 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
522 2006-04-03 Jeff Law <law@redhat.com>
525 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
526 alias information too.
528 2006-04-10 Mike Frysinger <vapier@gentoo.org>
530 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
532 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
535 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
536 (premark_used_types_helper): New.
537 (premark_used_types): New.
538 (gen_subprogram_die): Call premark_used_types.
539 (prune_unused_types_walk): Do not prune perennial dies.
540 * function.c (used_types_insert): New.
541 * function.h (struct function): Add used_types_hash field.
542 (used_types_insert): Add prototype.
543 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
544 * c-parser.c (c_parser_cast_expression): Save casted types in used
547 2006-04-11 Mark Mitchell <mark@codesourcery.com>
550 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
551 rs6000_explicit_options.float_gprs.
553 2006-04-10 Roger Sayle <roger@eyesopen.com>
555 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
556 from ix86_expand_vector_init_low_nonzero. Take an additional
557 one_var argument indicating which element is non-zero. Support
558 one_var != 0 for V4SFmode and V4SImode by permuting the result.
559 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
560 with one_var instead of ix86_expand_vector_init_low_nonzero.
562 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
564 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
565 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
566 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
567 build/genextract.o): Depend on vecprim.h.
568 * cfglayout.c, df-problems.c, function.c, genextract.c,
569 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
570 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
574 2006-04-10 Geoffrey Keating <geoffk@apple.com>
576 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
577 Declare VECs of this type.
578 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
579 (remove_children): Delete.
580 (add_dwarf_attr): Use VEC routines.
581 (add_AT_flag): Update for changes to add_dwarf_attr.
582 (add_AT_int): Likewise.
583 (add_AT_unsigned): Likewise.
584 (add_AT_long_long): Likewise.
585 (add_AT_vec): Likewise.
586 (add_AT_string): Likewise.
587 (add_AT_die_ref): Likewise.
588 (add_AT_fde_ref): Likewise.
589 (add_AT_loc): Likewise.
590 (add_AT_loc_list): Likewise.
591 (add_AT_addr): Likewise.
592 (add_AT_lbl_id): Likewise.
593 (add_AT_lineptr): Likewise.
594 (add_AT_macptr): Likewise.
595 (add_AT_offset): Likewise.
596 (add_AT_range_list): Likewise.
597 (get_AT): Use VEC_iterate.
598 (remove_AT): Use VEC_ordered_remove.
599 (free_die): Fold remove_children into here; have it use VEC_iterate.
600 (print_die): Use VEC_iterate on attrs.
601 (reverse_die_lists): Don't reverse attr lists.
602 (die_checksum): Use VEC_iterate on attrs.
603 (same_die_p): Likewise.
604 (output_location_lists): Likewise.
605 (build_abbrev_table): Likewise.
606 (size_of_die): Likewise.
607 (unmark_all_dies): Likewise.
608 (output_abbrev_section): Likewise.
609 (output_die): Likewise.
610 (prune_unused_types_walk_attribs): Likewise.
612 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
614 * doc/install.texi (*-*-solaris2*): Point to the configure page.
616 2006-04-10 Jakub Jelinek <jakub@redhat.com>
619 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
621 2006-04-09 Roger Sayle <roger@eyesopen.com>
623 * expr.c (store_constructor): Don't bother clearing target if
624 we're about to assign a vector to it using vec_init_optab.
626 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
628 * tree-ssa-alias.c (lhs_may_store_to): New function.
629 (recalculate_used_alone): Handle LHS of calls.
631 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
635 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
636 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
637 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
638 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
639 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
640 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
641 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
642 stubs. Add ".align 8" directives before all ".dword" directives.
643 (GTHREAD_USE_WEAK): Revise comment.
644 (TARGET_ATTRIBUTE_WEAK): Define.
645 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
646 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
647 * stublib.c: New file.
652 * pa.md (cbranch patterns): Revise arguments used in calls to
653 output_cbranch, output_bb and output_bvd. Add long branch length
655 (fbranch patterns): Handle long branches.
656 (jump): Revise length check. Revise arguments for output_lbranch call.
657 Add long branch length attributes.
658 (decrement_and_branch_until_zero): Add long branch length attributes.
659 (output_movb, output_parallel_addb and output_parallel_movb patterns):
660 Likewise. Revise arguments for output_parallel_addb and
661 output_parallel_movb calls.
662 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
663 output_parallel_movb and output_parallel_addb): Update prototypes.
664 * pa.c (output_cbranch): Revise arguments. Correct handling of
665 nullification in long branches.
666 (output_lbranch): Add new argument to control extraction of delay
668 (output_bb): Handle long branches.
669 (output_bvb, output_dbra, output_movb, output_parallel_movb,
670 output_parallel_addb): Likewise.
672 2006-04-09 Richard Sandiford <richard@codesourcery.com>
674 PR rtl-optimization/27073
675 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
678 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
680 * tree.h (tree_memory_tag): Add old_used_alone.
681 (SMT_OLD_USED_ALONE): New macro.
682 * tree-ssa-alias.c (recalculate_used_alone): Stop
683 marking things for renaming unnecessarily.
685 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
687 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
688 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
689 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
690 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
691 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
692 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
693 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
694 spelling convensions.
695 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
696 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
697 typos. Follow spelling conventions.
699 2006-04-07 DJ Delorie <dj@redhat.com>
701 * config/m32c/m32c.c (m32c_function_arg): Structures are always
703 (m32c_init_cumulative_args): When a function returns a structure,
704 always pass the pointer to that return area on the stack.
705 (m32c_function_arg_advance): Don't increment the parameter number
706 if we're processing the returned structure pointer.
707 (pushm_info): Reverse order of registers.
709 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
711 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
712 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
713 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
714 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
716 * tree-chrec.c (chrec_fold_multiply_poly_poly,
717 chrec_fold_multiply): Same.
718 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
719 force_expr_to_var_cost): Same.
720 * tree-mudflap.c (mf_xform_derefs_1): Same.
721 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
723 2006-04-07 David Edelsohn <edelsohn@gnu.org>
725 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
726 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
729 2006-04-07 Jan Hubicka <jh@suse.cz>
731 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
733 2006-04-07 Richard Guenther <rguenther@suse.de>
735 PR tree-optimization/26135
736 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
737 loads for store copy-prop.
738 (copy_prop_visit_stmt): Likewise.
740 2006-04-05 Robert Millan <robertmh@gnu.org>
742 * gcc/config/i386/linux.h: Add a comment to mark macros that are
743 being overriden in config/k*bsd-gnu.h.
744 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
746 * gcc/config/knetbsd-gnu.h: Ditto.
748 2006-04-06 Jan Hubicka <jh@suse.cz>
752 * coverage.c (coverage_checksum_string): Reorganize loop to not read
755 2006-04-06 Mike Stump <mrs@apple.com>
757 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
758 for HAVE_nonlocal_goto to be consistent.
759 (expand_builtin_nonlocal_goto): Likewise.
760 (expand_builtin_strcmp): Use #ifdef instead of #if
761 for HAVE_cmpstrnsi to be consistent.
763 2006-04-05 DJ Delorie <dj@redhat.com>
765 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
768 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
770 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
771 got-relative addressing for anything but SImode.
773 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
774 even if the calling function doesn't modify them.
776 2006-04-05 Richard Guenther <rguenther@suse.de>
778 PR tree-optimization/26919
779 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
780 to cgraph_estimate_size_after_inlining.
782 2006-04-05 Alan Modra <amodra@bigpond.net.au>
784 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
786 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
788 PR tree-optimization/26996
789 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
790 VECTOR_TYPE variables.
792 2006-04-05 Richard Guenther <rguenther@suse.de>
794 PR tree-optimization/26763
795 * fold-const.c (fold_comparison): Move folding of
796 PTR + CST CMP PTR + CST ...
797 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
799 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
801 * doc/install.texi (Prerequisites): Refine some wording on
802 bootstrapping and ksh.
803 Move the version numbers of DejaGnu here from the testing section
804 and fix casing of names.
805 Fix markup and clarify wording for autogen requirements.
806 Refer to GCJ instead of just java.
807 Refer to SVN instead of CVS.
808 Describe diffutils as useful instead of necessary.
809 (Downloading the source): Refer to SVN instead of CVS.
810 Adjust a link to our web site accordingly.
811 (Configuration): Fix casing of Bison.
812 (Building): Refer to SVN instead of CVS.
813 Fix a sentence on the use of Bison and remove duplicate (and
814 incorrect) version number of Bison requirement.
815 Remove one redundant list of packages needed for building.
816 (Specific): Avoid reference to CVS.
818 2006-04-04 Eric Christopher <echristo@apple.com>
820 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
821 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
822 (rs6000_handle_struct_attribute): New.
823 (rs6000_ms_bitfield_layout_p): Ditto.
825 2006-04-04 Geoffrey Keating <geoffk@apple.com>
827 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
828 NULL for dso parameter to atexit_common.
830 2006-04-04 Eric Christopher <echristo@apple.com>
832 * config/i386/i386.c (machopic_output_stub): Output \t
833 between instructions and operands.
835 2006-04-04 David Edelsohn <edelsohn@gnu.org>
837 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
838 satisfies_constraint_[IL] to explicit tests on value.
840 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
842 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
843 set_nb_iterations_in_loop): Use build_int_cst instead of
845 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
846 build_int_cst instead of convert.
848 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
850 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
851 new value 2 for incoming.
852 * function.c (expand_function_start): Call struct_value_rtx
854 * config/sparc/sparc.md: Comment updated_return.
855 * config/sparc/sparc.opt: Add -mstd-struct-return option.
856 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
857 struct return if sparc_std_struct_return and incoming is 2.
858 (print_operand): Do not adjust return if
859 sparc_std_struct_return.
861 2006-04-04 Roger Sayle <roger@eyesopen.com>
863 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
864 convert in the middle-end.
865 * expr.c (store_expr, store_constructor, get_inner_reference,
866 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
868 * tree.c (build_range_type): Likewise.
870 2006-04-04 Tom Tromey <tromey@redhat.com>
872 * doc/install.texi (Prerequisites): Mention jar.
874 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
876 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
879 2006-04-04 Matthias Klose <doko@debian.org>
881 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
883 2006-04-03 Geoffrey Keating <geoffk@apple.com>
885 * doc/extend.texi (Function Attributes): Rewrite visibility
886 attribute documentation.
887 * doc/invoke.texi (C++ Dialect Options): Rewrite
888 -fvisibility-inlines-hidden documentation to describe something
889 entirely different, although in practise compatible.
890 (Code Gen Options): Warn about system headers in -fvisibiltity=
893 * doc/extend.texi (Other Builtins): Document that
894 __builtin_nan is a compile-time constant only when its argument
897 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
899 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
900 trying to remove TRUNCATE check if all bits outside the new mode
901 are identical to the sign bit.
903 2006-04-03 Jeff Law <law@redhat.com>
905 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
906 and operand scanning in some common cases.
908 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
909 Dale Johannesen <dalej@apple.com>
912 * regclass.c (struct reg_pref): Update documentation.
913 (regclass): Set prefclass to NO_REGS if memory is the best option.
914 (record_reg_classes): Cope with a prefclass set to NO_REGS.
915 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
916 into account. For non-registers, equate an empty preferred
917 reload class to a `!' in the constraint; move the if clause to
918 do so after those that reject the insn.
919 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
921 (find_dummy_reload): Likewise.
922 * doc/tm.texi (Register Classes): Document what it means
923 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
924 * config/i386/i386.c (ix86_preferred_reload_class): Force
925 using SSE registers (and return NO_REGS for floating-point
926 constants) if math is done with SSE.
927 (ix86_preferred_output_reload_class): New.
928 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
929 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
930 * config/i386/i386.md: Remove # register preferences.
932 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
935 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
936 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
938 (instantiate_parameters_1): Convert the operands before calling
939 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
940 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
942 2006-04-02 Roger Sayle <roger@eyesopen.com>
944 * builtins.c (dummy_object): Use build_int_cst instead of convert.
945 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
947 * dojump.c (do_jump): Likewise.
948 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
949 * gimplify.c (gimple_boolify, gimplify_init_constructor,
950 gimplify_boolean_expr): Likewise.
951 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
952 * varasm.c (array_size_for_constructor): Likewise.
953 * tree-object-size.c (compute_object_offset): Likewise.
955 2006-04-02 Roger Sayle <roger@eyesopen.com>
958 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
959 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
961 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
963 PR tree-optimization/26939
964 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
966 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
968 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
969 at_stmt. Convert the type of operands before calling
970 build_polynomial_chrec.
971 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
973 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
974 (instantiate_parameters_1): Convert the type of operands before calling
975 build_polynomial_chrec.
976 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
977 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
978 reset_evolution_in_loop): Insert asserts to check the types of the
980 (chrec_type): Moved...
981 (eq_evolutions_p): Use operand_equal_p.
982 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
983 the types of the operands.
984 (chrec_type): ...here.
985 * tree-data-ref.c (create_data_ref): Convert the operands before
986 calling chrec_replace_initial_condition.
987 (same_access_functions, analyze_subscript_affine_affine,
988 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
989 (compute_subscript_distance, analyze_ziv_subscript,
990 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
991 analyze_miv_subscript): Convert the operands before calling
992 chrec_fold_minus or chrec_fold_plus.
994 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
996 * tree-data-ref.c (compute_all_dependences): Use a pointer to
997 the dependence_relations vector.
998 (compute_data_dependences_for_loop): Adjust call to
999 compute_all_dependences.
1001 2006-04-01 Roger Sayle <roger@eyesopen.com>
1002 Richard Henderson <rth@redhat.com>
1004 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1005 gimple_boolify on the condition before calling gimplify_expr.
1007 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1009 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1010 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1011 the frame size. Update to use the new macros.
1012 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1013 * config/xtensa/ieee754-df.S: Likewise.
1015 2006-03-31 Richard Henderson <rth@redhat.com>
1017 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1018 (make_edges): ... here. Control fallthru creation with a local
1019 variable. Do not play with fake edges.
1020 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1021 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1024 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1026 * dwarf2.h (DW64_CIE_ID): Define.
1027 * dwarf2out.c (DWARF_CIE_ID): Define.
1028 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1029 length header. Use DWARF_CIE_ID.
1030 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1031 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1033 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1035 * config/sh/linux-atomic.asm: New file.
1036 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1038 2006-03-31 DJ Delorie <dj@redhat.com>
1040 * config/m32c/cond.md: Set condition flags properly throughout.
1041 * config/m32c/minmax.md: Likewise.
1042 * config/m32c/prologue.md: Likewise.
1043 * config/m32c/bitops.md: Likewise.
1044 * config/m32c/muldiv.md: Likewise.
1045 * config/m32c/mov.md: Likewise.
1046 * config/m32c/addsub.md: Likewise.
1047 * config/m32c/m32c.md: Likewise.
1048 * config/m32c/jump.md: Likewise.
1049 * config/m32c/shift.md: Likewise.
1051 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1052 conditionally output the pattern for this.
1053 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1054 (m32c_compare_redundant): New.
1055 (m32c_output_compare): New.
1056 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1058 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1059 dest, not src. Allow other 4-byte modes.
1061 2006-03-30 Denis Chertykov <denisc@overta.ru>
1063 * doc/md.texi: Refer to avr/constraints.md instead of
1066 2006-03-30 Roger Sayle <roger@eyesopen.com>
1068 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1069 signed vs. unsigned comparison failures on some hosts.
1071 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1074 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1075 change to FLOAT_REGS.
1077 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1078 (rs6000_override_options): Use it.
1079 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1080 only for -mabi=spe/no-spe and -mabi=altivec.
1082 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1084 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1087 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1089 * Makefile.in: Rename docdir to gcc_docdir.
1091 2006-03-30 Roger Sayle <roger@eyesopen.com>
1094 * expr.c (emit_group_store): Optimize group stores into a pseudo
1095 register by using a paradoxical subreg to initialize the destination
1096 if the first or last member of the group specifies a "low part".
1098 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1101 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1102 * target.h (struct gcc_target.speculate_insn): Change type of the
1103 second parameter to 'int'.
1104 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1105 the second operand of the DEPS_LIST.
1106 (copy_DEPS_LIST_list): Update reference to the second operand of the
1108 * rtl.h (alloc_DEPS_LIST): Update signature.
1109 * sched-int.h (ds_t): Change typedef to 'int'.
1110 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1112 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1114 * haifa-sched.c (try_ready): Change condition to restore
1115 non-speculative pattern of the instruction.
1116 (process_insn_depend_be_in_spec): Code to keep probability of the
1117 speculative dependence non-decreasing.
1119 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1121 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1122 (single_move_for_movmem): ... this. Also change all uses.
1123 (bfin_expand_strmov): Renamed to...
1124 (bfin_expand_movmem): ... this. Also change all uses.
1125 * config/bfin/bfin.md (movstrsi): Renamed to...
1126 (movstrsi): ...this.
1128 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1130 PR tree-optimization/26830
1132 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1133 (copy_prop_visit_stmt): Remove write-only variable ann.
1134 (init_copy_prop): Check variable loop depth here. Do not simulate
1135 memory-tag and virtual operand PHIs except for store copy prop.
1137 2006-03-30 Richard Guenther <rguenther@suse.de>
1139 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1140 variants with double arguments.
1142 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1144 * genpreds.c (write_tm_constrs_h): Delete variable p.
1145 * genconditions.c (write_header): Add tm-constrs.h to included
1147 * genpeep.c (main): Add toplev.h to included headers.
1148 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1149 (build/genpeep.o): Add toplev.h dependency.
1150 * config/rs6000/constraints.md: Add "W" constraint.
1152 2006-03-29 Roger Sayle <roger@eyesopen.com>
1154 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1155 sizes by correctly testing whether the size fits a host integer.
1156 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1157 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1158 SImode range for the default sizetype and bitsizetype.
1160 2006-03-29 Roger Sayle <roger@eyesopen.com>
1162 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1163 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1164 quickly if the argument is already of the correct type.
1165 Call fold_build1 instead of build1. Tidy up blank lines.
1167 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1169 * genemit.c (main): Add tm-constrs.h to included headers.
1170 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1171 * genpeep.c (main): Add tm-constrs.h to included headers.
1172 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1173 (write_tm_constrs_h): this and write complete file.
1174 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1175 (write_insn_preds_c): Add tm-constrs.h to included headers.
1176 (gen_constrs): New variable.
1177 (parse_option): Parse "-c".
1178 (main): Invoke write_tm_constrs_h.
1179 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1180 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1181 (object_out_file): Add tm-constrs.h dependency.
1182 (insn-emit.o): Same.
1183 (insn-output.o): Same.
1184 (insn-peep.o): Same.
1185 (insn-preds.o): Same.
1186 (insn-recog.o): Same.
1187 (tm-constsr.h): New target.
1188 (s-constrs-h): New target.
1190 * config/rs6000/constraints.md: New file.
1191 * config/rs6000/rs6000.c: Include tm-constrs.h.
1192 (num_insn_constant_wide): Convert to satisfies_constraint.
1193 (rs6000_rtx_costs): Convert to satisfies_constraint.
1194 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1195 (CONST_OK_FOR_LETTER_P): Delete.
1196 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1197 (EXTRA_CONSTRAINT): Delete.
1198 (EXTRA_MEMORY_CONSTRAINT): Delete.
1199 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1200 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1201 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1202 satisfies_constraint.
1204 * config/i386/i386.c: Include tm-constrs.h.
1206 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1208 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1209 * tree-data-ref.c (find_data_references_in_loop,
1210 compute_data_dependences_for_loop): Use pointers to VEC.
1211 (analyze_all_data_dependences): Adjust calls.
1212 * tree-data-ref.h (find_data_references_in_loop,
1213 compute_data_dependences_for_loop): Adjust declarations.
1214 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1215 compute_data_dependences_for_loop.
1217 2006-03-29 Paul Brook <paul@codesourcery.com>
1219 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1222 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1224 PR tree-optimization/26859
1225 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1227 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1228 for the step after fold_convert.
1230 2006-03-29 Paul Brook <paul@codesourcery.com>
1232 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1233 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1235 2006-03-29 Paul Brook <paul@codesourcery.com>
1238 * targhooks.c (default_narrow_bitfield): New fuction.
1239 * targhooks.h (default_narrow_bitfield): add prototype.
1240 * target.h (gcc_target): Add narrow_volatile_bitfield.
1241 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1242 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1243 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1244 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1246 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1248 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1250 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1251 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1252 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1253 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1254 (s390_function_arg_float): Allow SDmode and DDmode values to be
1255 passed in floating point registers.
1256 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1257 check with SCALAR_FLOAT_MODE_P.
1258 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1260 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1262 PR tree-optimization/25985
1263 * tree-ssa-loop-niter.c (number_of_iterations_le,
1264 number_of_iterations_ne): Make comments more precise.
1265 (number_of_iterations_cond): Add only_exit argument. Use the
1266 fact that signed variables do not overflow only when only_exit
1268 (loop_only_exit_p): New.
1269 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1270 number_of_iterations_cond.
1272 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1274 PR tree-optimization/26643
1275 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1278 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1280 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1281 (divsi3_i4_int): Likewise.
1283 2006-03-28 Roger Sayle <roger@eyesopen.com>
1285 * expr.c (emit_group_store): Only create a new pseudo reg if the
1286 quantity it needs to hold isn't already a suitable pseudo.
1288 2006-03-28 Jeff Law <law@redhat.com>
1290 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1291 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1293 2006-03-28 Roger Sayle <roger@eyesopen.com>
1295 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1296 the equivalent ~X & Y, and the symmetry related transformations.
1297 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1298 ~X & Y, and symmetry related transforms.
1300 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1302 Revert my 2006-03-27 patches.
1304 2006-03-28 Roger Sayle <roger@eyesopen.com>
1306 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1307 ~(T1)X, when T1 and T2 are integer types of the same precision
1308 and (T2)X isn't an extension.
1310 2006-03-28 Jeff Law <law@redhat.com>
1312 PR tree-optimization/26796
1313 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1314 need EH edge cleanups rather than purging them immediately.
1315 (eliminate_degenerate_phis): Handle queued EH cleanups.
1317 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1319 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1322 2006-03-27 Roger Sayle <roger@eyesopen.com>
1325 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1326 cast BIT_NOT_EXPR operand to the correct type.
1328 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1330 * tree-loop-linear.c: Don't include varray.h.
1331 (gather_interchange_stats, try_interchange_loops,
1332 linear_transform_loops): Use VEC instead of VARRAY.
1333 * lambda-mat.c: Don't include varray.h.
1334 * tree-chrec.c: Same.
1335 * lambda-trans.c: Same.
1336 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1337 VEC instead of VARRAY.
1338 * tree-vectorizer.h: Idem.
1339 * tree-data-ref.c (dump_data_references,
1340 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1341 initialize_data_dependence_relation, finalize_ddr_dependent,
1342 compute_all_dependences, find_data_references_in_loop,
1343 compute_data_dependences_for_loop, analyze_all_data_dependences,
1344 free_dependence_relation, free_dependence_relations,
1345 free_data_refs): Idem.
1346 * tree-data-ref.h (data_reference_p, subscript_p): New.
1347 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1348 VEC instead of VARRAY.
1349 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1350 (find_data_references_in_loop, compute_data_dependences_for_loop,
1351 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1352 dump_data_dependence_relations, free_dependence_relations,
1353 free_data_refs): Adjust declaration.
1354 (lambda_transform_legal_p): Move declaration here...
1355 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1356 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1357 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1358 vect_analyze_data_refs): Use VEC instead of VARRAY.
1359 * lambda.h (lambda_transform_legal_p): ...from here.
1360 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1361 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1362 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1363 tree-chrec.o): Don't depend on VARRAY_H.
1365 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1367 * rtl.def (Copyright): Update date.
1368 (DEPS_LIST): Change type of the second operand to 'int'.
1369 * target.h (Copyright): Update date.
1370 (struct gcc_target.speculate_insn): Change type of the second parameter
1372 * lists.c (Copyright): Update date.
1373 (alloc_DEPS_LIST): Change signature. Update reference to the second
1374 operand of the DEPS_LIST.
1375 (copy_DEPS_LIST_list): Update reference to the second operand of the
1377 * rtl.h (Copyright): Update date.
1378 (alloc_DEPS_LIST): Update signature.
1379 * sched-int.h (Copyright): Update date.
1380 (ds_t): Change typedef to 'int'.
1381 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1383 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1385 * haifa-sched.c (Copyright): Update date.
1386 (try_ready): Change condition to restore non-speculative pattern
1388 (process_insn_depend_be_in_spec): Code to keep probability of the
1389 speculative dependence non-decreasing.
1391 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1393 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1394 shut up the compiler.
1396 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1398 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1399 to use lib prefix for target.
1400 ($(T)libic_invalidate_array_4-200.a): Likewise.
1401 ($(T)libic_invalidate_array_4a.a): Likewise.
1403 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1404 J"orn Rennecke <joern.rennecke@st.com>
1406 * superh.opt: New file.
1407 * sh.c (boardtype, osruntime): Remove.
1408 * superh.h (SUBTARGET_OPTIONS): Remove.
1409 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1411 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1412 arguments with ^ and/or [].
1414 * config.gcc (sh-*-*): Add quoting to account for quirk of
1416 Replace == with = in enable_incomplete_targets test.
1418 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1419 with MASK_LITTLE_ENDIAN.
1421 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1422 * config/sh/sh.opt: Added to some comments.
1423 * config/sh/superh.h: Removed some chaff.
1425 * config/sh/sh.opt: Add m4-[1234]00* options.
1426 * config/sh/sh.c (sh_handle_option): Likewise.
1427 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1428 (ic_invalidate_array_4-100.o): New rule.
1429 ($(T)libic_invalidate_array_4-100.a): Likewise.
1430 (ic_invalidate_array_4-200.o): Likewise.
1431 ($(T)libic_invalidate_array_4-200.a): Likewise.
1432 (ic_invalidate_array_4a.o): Likewise.
1433 ($(T)libic_invalidate_array_4a.a): Likewise.
1434 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1435 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1437 * config/sh/crt1.asm: Merged in profiling code.
1438 * config/sh/superh.h (STARTFILE_SPEC): Override.
1439 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1440 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1441 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1443 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1444 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1445 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1447 * sh.opt (mpretend-cmove): New option.
1448 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1449 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1450 (movsicc): Add TARGET_PRETEND_CMOVE code.
1452 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1454 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1455 s390_class_max_nregs): New function prototypes.
1456 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1457 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1458 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1459 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1461 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1463 * dwarf2out.c (add_location_or_const_value_attribute): Call
1464 tree_add_const_value_attribute if nothing else works.
1465 (reference_to_unused): New.
1466 (rtl_for_decl_init): Use reference_to_unused to decide whether
1467 to output an initializer.
1469 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1472 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1473 peephole removing spe frob_di_df_2.
1475 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1477 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1478 (subscript_dependence_tester_1): Declared.
1479 (print_dir_vectors, print_dist_vectors): New.
1480 (debug_data_dependence_relation): New.
1481 (dump_data_dependence_relation): Print more details.
1482 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1483 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1484 (save_dist_v, save_dir_v, add_outer_distances,
1485 build_classic_dist_vector_1): New.
1486 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1487 Don't test for lambda_vector_lexico_pos.
1488 (same_access_functions, add_multivariate_self_dist,
1489 add_other_self_distances, dir_from_dist): New.
1490 (build_classic_dir_vector): Replace implementation almost identical to
1491 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1493 (subscript_dependence_tester_1): New.
1494 (subscript_dependence_tester): Handle the lexicographically negative
1495 distance vectors by recomputing the dependence relation.
1496 (compute_affine_dependence): Remove parameter loop_nest_depth.
1497 (compute_self_dependence): Don't call compute_subscript_distance.
1498 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1499 Add a parameter for the loop_nest.
1500 (find_loop_nest_1, find_loop_nest): New.
1501 (compute_data_dependences_for_loop): Compute the loop nest, and give
1502 up if the nest is not well formed.
1503 * tree-data-ref.h (loop_p): New.
1504 (struct data_dependence_relation): Replace size_vect field with
1505 loop_nest, a vec of loops.
1506 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1507 (DDR_LOOP_NEST): New.
1508 (print_dir_vectors, print_dist_vectors,
1509 debug_data_dependence_relation): Declared.
1510 (index_in_loop_nest): New.
1511 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1512 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1515 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1517 * simplify-rtx.c (simplify_relational_operation): Call
1518 simplify_relational_operation_1 even if mode is VOIDmode.
1520 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1522 PR tree-optimization/26804
1523 * tree.h (DECL_CALL_CLOBBERED): New macro.
1524 (tree_decl_common): Add call_clobbered_flag.
1525 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1526 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1527 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1528 (mark_non_addressable): Ditto.
1529 * tree-ssa.c (verify_call_clobbered): New function.
1530 (verify_alias_info): Use it.
1531 * tree-pass.h (pass_reset_cc_flags): New prototype.
1532 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1533 (reset_cc_flags): New function.
1534 * passes.c (init_optimization_passes): Call reset_cc_flags after
1535 initializing referenced_vars.
1537 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1538 Roger Sayle <roger@eyesopen.com>
1541 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1542 to 1.0 for non-real operands. Implement A / A optimization for
1545 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1547 * config/i386/i386.c (size_cost): Correct the comment for
1548 cost of storing fp registers.
1549 (i386_cost): Likewise.
1550 (i486_cost): Likewise.
1551 (pentium_cost): Likewise.
1552 (pentiumpro_cost): Likewise.
1553 (k6_cost): Likewise.
1554 (athlon_cost): Likewise.
1555 (k8_cost): Likewise.
1556 (pentium4_cost): Likewise.
1557 (nocona_cost): Likewise.
1558 (generic64_cost): Likewise.
1559 (generic32_cost): Likewise.
1561 2006-03-24 Denis Chertykov <denisc@overta.ru>
1563 * config/avr/avr-protos.h (extra_constraint): Delete.
1564 (extra_constraint_Q): New declaration.
1565 * config/avr/constraints.md: New file.
1566 * config/avr/avr.md: Include it.
1567 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1568 (TMP_REGNO, ZERO_REGNO): Likewise.
1569 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1570 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1571 (extra_constraint): Delete.
1572 (extra_constraint_Q): Test for memory constraint 'Q'.
1573 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1574 (REG_CLASS_FROM_LETTER): Delete.
1575 (CONST_OK_FOR_LETTER_P): Delete.
1576 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1577 (EXTRA_CONSTRAINT): Delete.
1578 (TMP_REGNO): Delete.
1579 (ZERO_REGNO): Delete.
1581 2006-03-24 Jeff Law <law@redhat.com>
1583 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1584 directly. Call mark_new_vars_to_rename slightly earlier.
1586 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1588 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1590 (gen_compile_unit_die): Use new language types for Objective-C and
1592 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1593 DW_LANG_C_plus_plus.
1596 * config/t-darwin (crt3.o): Work around bug 26840.
1597 * config/darwin-crt3.c: Rewrite.
1598 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1600 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1602 * doc/invoke.texi: Document -femit-class-debug-always
1603 * common.opt: Add -femit-class-debug-always.
1605 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1607 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1608 index and base register.
1609 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1610 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1611 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1612 REGNO_OK_FOR_INDEX_P.
1613 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1615 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1616 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1617 REG_OK_FOR_BASE_P): Definitions removed.
1619 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1622 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1623 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1624 set yet or weren't marked as local yet.
1626 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1628 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1631 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1633 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1634 (rs6000_legitimate_small_data_p): Delete.
1635 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1636 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1637 and make static. Add forward declaration. Update uses.
1638 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1639 of offsettable_memref_p.
1640 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1641 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1643 2006-03-24 Jeff Law <law@redhat.com>
1645 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1646 around bug in immediate-use iterator.
1648 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1651 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1652 or __LITTLE_ENDIAN__.
1654 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1656 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1657 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1658 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1659 * config/sh/sh.opt (mdiv=): Amend description.
1660 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1661 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1662 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1663 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1664 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1665 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1666 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1667 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1668 TARGET_DIVIDE_CALL_FP.
1670 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1672 * haifa-sched.c (choose_ready): Fix type of the local variable.
1673 Move local variables. Add comment.
1674 (check_reg_live): Change signature. Make callable from debugger.
1675 * sched-int.h (check_reg_live): Update signature.
1676 * sched-ebb.c (check_reg_live): Update parameters.
1677 * sched-rgn.c (check_reg_live): Ditto.
1678 (region_head_or_leaf_p): Check pointer before dereferencing.
1679 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1680 before reload on optimization levels below 1.
1682 2006-03-23 Richard Henderson <rth@redhat.com>
1684 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1688 * config/alpha/predicates.md (local_symbolic_operand): Reject
1691 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1694 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1695 expressions which have overflowed constants.
1697 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1699 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1701 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1703 * cfgloopmanip.c (create_loop_notes): Removed.
1704 * final.c (final_scan_insn): Do not handle loop notes.
1705 * jump.c (squeeze_notes): Ditto.
1706 * cfglayout.c (skip_insns_after_block,
1707 duplicate_insn_chain): Ditto.
1708 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1710 * cfgloop.h (create_loop_notes): Declaration removed.
1712 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1714 * varasm.c (output_constant_pool): Restore fnname and fndecl
1716 (assemble_start_function): Adjust call accordingly.
1717 (assemble_end_function): Likewise.
1719 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1722 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1725 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1727 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1730 * system.h (ICE_EXIT_CODE): New macro.
1731 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1732 (diagnostic_action_after_output): Likewise.
1733 * gcc.c (fatal_ice): New function.
1734 (execute): Use it instead of fatal.
1735 (fancy_abort): Likewise.
1736 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1738 2006-03-22 Jeff Law <law@redhat.com>
1740 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1741 iv_analyze_result returning false.
1743 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1745 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1747 2006-03-22 Richard Henderson <rth@redhat.com>
1750 * except.c (duplicate_eh_regions_0): New.
1751 (duplicate_eh_region_1): Duplicate the children of the node as
1752 well as the node itself. Link them up properly.
1753 (duplicate_eh_region_2): Merge into ...
1754 (duplicate_eh_regions): ... here. Take copy_region argument, and
1755 copy only a sub-tree if asked. Simplify copying and fixup.
1756 (eh_region_outer_p): New.
1757 * except.h (duplicate_eh_regions): Update decl.
1758 (eh_region_outer_p): Declare.
1759 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1760 (lower_omp_master): Likewise.
1761 (lower_omp_ordered): Likewise.
1762 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1763 (move_stmt_r): Use it to remap labels. Handle recursion vs
1764 remap_decls_p properly.
1765 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1766 (find_outermost_region_in_block): New.
1767 (new_label_mapper): New.
1768 (move_sese_region_to_fn): Copy eh information to the new function
1770 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1772 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1775 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1777 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1778 into shared libraries.
1780 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1782 * doc/md.texi: Refer to i386/constraints.md instead of
1784 * config/i386/constraints.md: New file, extracted from...
1785 * config/i386/predicates.md: ...here.
1786 * config/i386/i386.md: Include constraints.md.
1788 2006-03-21 Jason Merrill <jason@redhat.com>
1790 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1793 * expr.c (init_block_move_fn): Force default visibility.
1794 (init_block_clear_fn): Likewise.
1795 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1796 * targhooks.c (default_external_stack_protect_fail): Likewise.
1798 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1800 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1801 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1802 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1803 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1804 (loadgp): Use mips_current_loadgp_style.
1805 (loadgp_noshared): New pattern.
1806 (sibcall_internal): Use MIPS_CALL.
1807 (sibcall_value_internal): Likewise.
1808 (sibcall_value_multiple_internal): Likewise.
1809 (call_internal): Likewise.
1810 (call_value_internal): Likewise.
1811 (call_value_multiple_internal): Likewise.
1812 (call_split): Use MIPS_CALL and add an 'S' constraint.
1813 (call_value_split): Likewise.
1814 (call_value_multiple_split): Likewise.
1815 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1816 (-mshared): New option.
1817 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1818 (mips_current_loadgp_style): Declare.
1819 * config/mips/mips.c (mips_classify_symbol): Avoid using
1820 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1821 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1822 TARGET_ABSOLUTE_ABICALLS.
1823 (override_options): Adjust comments. Improve the warning that is
1824 issued when -mabicalls and -G are used together.
1825 (mips_file_start): Remove comment.
1826 (mips_current_loadgp_style): New function.
1827 (mips_gnu_local_gp): New variable.
1828 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1830 (mips_output_function_prologue): Use mips_current_laodgp_style.
1831 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1832 the cprestore instruction.
1833 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1834 live for TARGET_ABSOLUTE_ABICALLS.
1835 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1836 (ASM_SPEC): Pass down -mshared and -mno-shared.
1837 (MIPS_CALL): New macro.
1838 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1840 * doc/invoke.texi (-mabicalls): Update documentation.
1841 (-mshared): Document.
1843 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1845 * config/ia64/unwind-hpux.c: New file.
1846 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1848 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1851 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1853 2006-03-21 Jeff Law <law@redhat.com>
1855 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1856 type conversions of a VR_VARYING source to a wider type.
1858 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1860 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1861 tm_file on Solaris 10 and later.
1862 (sparc64-*-solaris2*): Likewise.
1863 (sparc-*-solaris2*): Likewise.
1864 * config/sol26.h: Rename to config/sol2-6.h.
1865 * config/sol2-10.h: New file.
1867 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1870 * tree-ssa-pre.c (create_component_ref_by_pieces):
1873 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1876 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1877 return it immediately.
1879 2006-03-21 Michael Matz <matz@suse.de>
1881 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1883 (remove_arc, add_arc): Update num_out_arcs member.
1884 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1886 (cache_presence): New function.
1887 (compare_states_for_equiv): New function.
1888 (state_is_differed): Don't take number of outargs, adjust callers.
1889 Use new invariant for speeding up.
1890 (init_equiv_class): Create initial classes based on sorted
1892 (partition_equiv_class): Don't track out_arcs_num.
1893 (evaluate_equiv_classes): Call cache_presence on all states and
1896 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1898 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1899 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1900 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1901 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1903 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1904 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1905 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1906 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1907 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1909 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1910 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1911 (REGNO_REG_CLASS): ARGP is in PREGS.
1912 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1914 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1915 to deal with those addresses.
1916 * addresses.h: New file.
1917 * caller-save.c: Include "addresses.h".
1918 (init_caller_save): Use new base_reg_class function.
1919 * rtl-factoring.c: Include "addresses.h".
1920 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1921 * recog.c: Include "addresses.h".
1922 (preprocess_constraints): Use new base_reg_class function.
1923 * regrename.c: Include "addresses.h".
1924 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1925 functions. Keep track of a new var INDEX_CODE to compute valid
1927 (replace_oldest_value_addr): Likewise.
1928 (replace_oldest_value_mem): Use base_reg_class.
1929 * reload.c: Include "addresses.h".
1930 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1931 (find_reloads): Use new base_reg_class function.
1932 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1933 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1934 all callers and prototype changed.
1935 * reload1.c: Include "addresses.h".
1936 (maybe_fix_stack_asms): Use base_reg_class.
1937 * regclass.c: Include "addresses.h".
1938 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1939 (init_reg_autoinc): Use new base_reg_class function.
1940 (record_reg_classes): Likewise.
1941 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1942 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1943 Use new args to compute necessary class.
1945 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1946 regrename.o, rtl-factoring.o): Update dependencies.
1947 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1948 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1949 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1950 REG_OK_FOR_INDEX_P): Delete documentation.
1952 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1954 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1955 from V7 to V9 for Solaris 7 and above.
1957 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1959 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1960 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1961 argument pointers may not alias any other storage.
1962 * common.opt: Define option -fargument-noalias-anything.
1963 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1964 alias semantics is specified by flag_argument_noalias > 2.
1966 2006-03-20 Jeff Law <law@redhat.com>
1968 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1969 (pass_phi_only_cprop): Declare.
1970 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1972 * tree-ssa-dom.c (degenerate_phi_result): New function.
1973 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1974 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1975 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1976 (eliminate_degenerate_phis): Likewise.
1977 (pass_phi_only_cprop): New pass descriptor.
1978 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1979 support code. Callers updated.
1980 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1981 (store_copy_prop): Likewise.
1982 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1984 2006-03-20 Jason Merrill <jason@redhat.com>
1987 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1988 (push_visibility, pop_visibility): Likewise.
1989 * c-pragma.h: Declare them.
1991 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1993 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1995 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1996 parameter and use get_ebb_head_tail.
1997 (sh_md_init_global): Adjust uses of find_regmode_weight.
1999 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2001 * function.h (struct function) <x_tail_recursion_reentry>:
2002 Rename to x_stack_check_probe_note.
2003 (tail_recursion_reentry): Rename to stack_check_probe_note.
2004 * function.c: Replace tail_recursion_reentry with
2005 stack_check_probe_note everywhere.
2006 (expand_function_start): Only emit a note for
2007 stack_check_probe_note with -fstack-protect.
2008 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2010 * emit-rtl.c (remove_unnecessary_notes): Remove.
2011 (pass_remove_unnecessary_notes): Remove.
2012 * rtl.h (remove_unnecessary_notes): Remove prototype.
2013 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2014 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2015 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2017 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2020 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2021 (valid_in_set): Handle ARRAY_REF.
2022 Change "if min_variant or VH" to asserts.
2023 (create_component_ref_by_pieces): Handle ARRAY_REF.
2024 (create_expression_by_pieces): Likewise.
2025 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2027 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2029 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2030 is operand of switch, not str[0].
2032 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2034 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2035 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2037 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2039 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2040 end of insn_extra_address_constraint declaration.
2042 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2044 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2045 (no-sum-in-toc): Same.
2046 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2048 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2049 NO_FP_IN_TOC for -fPIC instead of mask.
2051 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2052 (BOOT_LDFLAGS): Delete.
2054 * config/rs6000/t-aix52: Same.
2056 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2057 (stmsi[345678]_power): New.
2059 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2061 * config/ia64/ia64.opt: Add empty line to end of file.
2063 2006-03-17 Richard Guenther <rguenther@suse.de>
2066 * builtins.c (get_pointer_alignment): For component style references
2067 adjust alignment to the component type alignment. Make sure
2068 to adjust alignment for component access of constants.
2070 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2072 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2075 2006-03-17 Paul Brook <paul@codesourcery.com>
2077 * doc/install.texi: Docuemnt --with-mode.
2078 * config.gcc: Add --with-mode for arm*-*-*.
2079 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2081 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2083 * sh.c (max_labelno_before_reorg): New variable.
2084 (sh_reorg): Initialize it.
2085 (find_barrier): Check max_labelno_before_reorg before using
2086 label_to_alignment. Take length of explicit alignment insns
2087 into account. When seeing a UNSPECV_CONST_END, return it.
2089 * sh.c (fixup_mova): Set mode of affected label to QImode.
2090 (untangle_mova): New function.
2091 (find_barrier): Use it. Check mode of label before decrementing
2093 (sh_reorg): Likewise.
2094 Set mode of all insns back to VOIDmode.
2096 * sh.c (MOVA_LABELREF): New macro.
2097 (mova_p, fixup_mova, sh_reorg): Use it.
2098 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2099 ADDR_DIFF_VEC matches mova.
2101 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2103 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2104 with ATTRIBUTE_UNUSED.
2106 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2108 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2109 pointer, instead of assuming it is possible to derive the
2110 correct args size from a call insn.
2112 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2114 * rtl.h (CONST_INT_P): Define.
2115 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2116 instead of GET_CODE(x) == CONST_INT.
2117 (vax_rtx_costs): Likewise.
2118 (vax_output_int_move): Likewise.
2119 (vax_output_int_add): Likewise.
2120 (legitimate_constant_address_p): Likewise.
2121 (index_term_p): Likewise.
2122 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2123 * config/vax/vax.md (and<mode>3): Likewise.
2124 (ashrsi3): Likewise.
2126 (movstricthi): Likewise.
2127 (movstrictqi): Likewise.
2128 (rotrsi3): Likewise.
2129 (five unnamed insns): Likewise.
2131 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2133 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2134 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2135 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2136 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2137 Pass to ASM_OUTPUT_DWARF_OFFSET.
2138 * dwarf2out.c (debug_frame_section): New.
2139 (output_call_frame_info): Use debug_frame_section. Pass it to
2140 dw2_asm_output_offset.
2141 (output_die): Pass appropriate section to dw2_asm_output_offset.
2142 (output_compilation_unit_header): Likewise.
2143 (output_pubnames): Likewise.
2144 (output_aranges): Likewise.
2145 (enum dw_val_class): Break dw_val_class_lbl_offset into
2146 dw_val_class_lineptr and dw_val_class_macptr.
2147 (add_AT_lbl_offset): Delete.
2148 (add_AT_lineptr): New.
2149 (add_AT_macptr): New.
2150 (AT_lbl): Expect a lineptr or macptr.
2151 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2152 (attr_checksum): Likewise.
2153 (same_dw_val_p): Likewise.
2154 (size_of_die): Likewise.
2155 (value_format): Likewise.
2156 (output_die): Likewise.
2157 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2159 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2160 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2161 * config/darwin-protos.h (darwin_file_start): New.
2162 (darwin_asm_output_dwarf_offset): New.
2163 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2164 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2166 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2167 if not EH section; simplify.
2168 (darwin_file_start): New.
2169 (darwin_asm_output_dwarf_offset): New.
2170 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2172 (DEBUG_INFO_SECTION): Likewise.
2173 (DEBUG_ABBREV_SECTION): Likewise.
2174 (DEBUG_ARANGES_SECTION): Likewise.
2175 (DEBUG_MACINFO_SECTION): Likewise.
2176 (DEBUG_LINE_SECTION): Likewise.
2177 (DEBUG_LOC_SECTION): Likewise.
2178 (DEBUG_PUBNAMES_SECTION): Likewise.
2179 (DEBUG_STR_SECTION): Likewise.
2180 (DEBUG_RANGES_SECTION): Likewise.
2181 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2182 (ASM_OUTPUT_DWARF_OFFSET): New.
2184 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2186 * config.gcc (tm_defines): Always add to previous value rather
2189 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2191 * config/mips/predicates.md (splittable_const_int_operand): New,
2192 split from move_operand.
2193 (splittable_symbolic_operand): New.
2194 (move_operand): Add commentary. Use splittable_const_int_operand.
2195 Inline mips_atomic_symbolic_constant_p.
2196 * config/mips/mips.md: Add combine splitters for handling moves
2197 of splittable_const_int_operands and splittable_symbolic_operands.
2198 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2199 (mips_split_symbol): Declare.
2200 (mips_move_integer): Declare.
2201 * config/mips/mips.c (mips_split_p): Make global.
2202 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2203 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2204 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2205 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2206 (mips_offset_within_object_p): Handle block symbols.
2207 (mips_atomic_symbolic_constant_p): Delete.
2208 (mips_cannot_force_const_mem): Return false for constants that
2209 mips_legitimize_move can handle.
2210 (mips_use_blocks_for_constant_p): New function.
2211 (mips_split_symbol): Make global.
2212 (mips_move_integer): Likewise. Add a temporary register argument.
2213 (mips_legitimize_const_move): Use splittable_const_int_operand and
2214 splittable_symbolic_operand.
2215 (mips_use_anchors_for_symbol_p): New function.
2216 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2217 (mips_split_p): Declare.
2219 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2221 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2222 (mips*-*-linux*): Likewise.
2224 2006-03-16 Roger Sayle <roger@eyesopen.com>
2225 Daniel Speyer <dspeyer@wam.umd.edu>
2228 * tree-dump.c (dump_real): New function.
2229 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2230 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2231 (tree-dump.o): Add $(REAL_H) to the dependencies.
2233 2006-03-16 Roger Sayle <roger@eyesopen.com>
2236 * real.c (real_from_string): If the mantissa is zero, don't bother
2237 parsing the exponent as the result should always be zero.
2239 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2241 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2243 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2245 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2246 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2247 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2248 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2249 ia64_sched_finish_global): New static functions to implement
2250 hooks from gcc_target.sched.
2251 (spec_check_no, max_uid, pending_data_specs): New static variables.
2252 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2253 ia64_spec_check_src_p): New static functions.
2254 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2255 (TARGET_SCHED_ADJUST_COST): Removed.
2256 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2257 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2258 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2259 TARGET_SCHED_GEN_CHECK,
2260 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2261 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2262 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2263 Fixed to handle speculation checks.
2264 (rtx_needs_barrier): Fixed to handle speculative loads and
2266 (ia64_variable_issue): Added code to count speculative loads and their
2268 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2270 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2272 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2274 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2275 (ia64_reorg): Reset stops_p to NULL after it is freed.
2276 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2277 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2278 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2280 (data_speculative, control_speculative, check_load): New attributes.
2281 (mov<mode>_advanced, mov<mode>_speculative,
2282 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2283 zero_extend<mode>di2_speculative,
2284 zero_extend<mode>di2_speculative_advanced): New patterns for
2285 data and control speculative loads.
2286 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2288 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2289 New pattern for data and control speculation checks.
2290 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2291 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2292 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2293 Auxiliary definitions for the patterns.
2294 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2295 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2297 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2299 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2300 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2301 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2302 New resource constraints.
2303 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2305 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2306 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2307 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2308 msched-in-control-spec, msched-ldc, msched-control-ldc,
2309 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2310 msched-prefer-non-control-spec-insns,
2311 msched-count-spec-in-critical-path): New flags to tune speculative
2313 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2314 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2315 msched-in-control-spec, msched-ldc, msched-control-ldc,
2316 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2317 msched-prefer-non-control-spec-insns,
2318 msched-count-spec-in-critical-path): Document new flags.
2320 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2322 * target.h (struct spec_info_def): New opaque declaration.
2323 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2324 speculate_insn, needs_block_p, gen_check,
2325 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2326 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2327 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2328 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2329 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2330 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2332 (TARGET_SCHED): Use new macros.
2333 * rtl.h (copy_DEPS_LIST_list): New prototype.
2334 * sched-int.h (struct sched_info): Change signature of new_ready field,
2335 adjust all initializations. New fields: add_remove_insn,
2336 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2337 region_head_or_leaf_p.
2338 (struct spec_info_def): New structure declaration.
2339 (spec_info_t): New typedef.
2340 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2341 recovery_block, orig_pat.
2342 (glat_start, glat_end): New variables declaraions.
2343 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2345 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2346 DETACH_LIFE_INFO, USE_GLAT.
2347 (enum SPEC_SCHED_FLAGS): New enumeration.
2348 (NOTE_NOTE_BB_P): New macro.
2349 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2350 attach_life_info, debug_spec_status, check_reg_live): New functions.
2351 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2352 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2354 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2355 * ddg.c (get_block_head_tail): Adjust all uses.
2356 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2357 (sms_sched_info): Initialize new fields.
2358 (contributes_to_priority): Removed.
2359 * haifa-sched.c (params.h): New include.
2360 (get_block_head_tail): Adjust all uses.
2361 (ISSUE_POINTS): New macro.
2362 (glat_start, glat_end): New global variables.
2363 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2364 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2365 old_last_basic_block, before_recovery, current_sched_info_var,
2366 rgn_n_insns, luid): New static variables.
2367 (insn_cost1): New function. Move logic from insn_cost to here.
2368 (find_insn_reg_weight1): New function. Move logic from
2369 find_insn_reg_weight to here.
2370 (reemit_notes, move_insn, max_issue): Change signature.
2371 (move_insn1): Removed.
2372 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2373 extend_bb): New static functions to support extension of scheduler's
2375 (generate_recovery_code, process_insn_depend_be_in_spec,
2376 begin_speculative_block, add_to_speculative_block,
2377 init_before_recovery, create_recovery_block, create_check_block_twin,
2378 fix_recovery_deps): New static functions to support
2379 generation of recovery code.
2380 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2381 restore_bb_notes, move_block_after_check, move_succs): New static
2382 functions to support ebb scheduling.
2383 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2384 functions to support handling of register live information.
2385 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2386 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2387 add_jump_dependencies): New static functions.
2388 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2389 consistancy checking.
2390 (debug_spec_status): New function to call from debugger.
2391 (priority): Added code to handle speculation checks.
2392 (rank_for_schedule): Added code to distinguish speculative instructions.
2393 (schedule_insn): Added code to handle speculation checks.
2394 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2395 Fixed to handle ebbs.
2396 (move_insn): Added code to handle ebb scheduling.
2397 (max_issue): Added code to use ISSUE_POINTS of instructions.
2398 (choose_ready): Added code to choose between speculative and
2399 non-speculative instructions.
2400 (schedule_block): Added code to handle ebb scheduling and scheduling of
2401 speculative instructions.
2402 (sched_init): Initialize new variables.
2403 (sched_finish): Free new variables. Print statistics.
2404 (try_ready): Added code to handle speculative instructions.
2405 * lists.c (copy_DEPS_LIST_list): New function.
2406 * sched-deps.c (extend_dependency_caches): New function. Move logic
2407 from create_dependency_caches to here.
2408 (get_dep_weak, ds_merge): Make global.
2409 * genattr.c (main): Code to output prototype for
2410 dfa_clear_single_insn_cache.
2411 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2412 (output_dfa_clean_insn_cache_func): Code to output
2413 dfa_clear_single_insn_cache function.
2414 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2416 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2418 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2419 New static variables.
2420 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2421 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2423 (ebb_sched_info): Initialize new fields.
2424 (get_block_head_tail): Adjust all uses.
2425 (compute_jump_reg_dependencies): Fixed to use glat_start.
2426 (schedule_ebb): Code to remove unreachable last block.
2427 (schedule_ebbs): Added code to update register live information.
2428 * sched-rgn.c (region_sched_info): Initialize new fields.
2429 (get_block_head_tail): Adjust all uses.
2430 (last_was_jump): Removed. Adjust users.
2431 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2432 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2433 Implement new hooks.
2434 (check_dead_notes1): New static function.
2435 (struct region): New fields: dont_calc_deps, has_real_ebb.
2436 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2437 (BB_TO_BLOCK): Fixed to handle EBBs.
2438 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2439 (ebb_head): New static variable.
2440 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2441 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2443 (compute_dom_prob_ps): New assertion.
2444 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2445 global_live_at_start.
2446 (init_ready_list): New assertions.
2447 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2448 (new_ready): Add support for BEGIN_CONTROL speculation.
2449 (schedule_insns): Fixed code that updates register live information
2451 (schedule_region): Fixed to handle EBBs.
2452 (init_regions): Use extend_regions and check_dead_notes1.
2453 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2454 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2455 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2456 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2457 TARGET_SCHED_GEN_CHECK,
2458 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2459 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2460 * doc/invoke.texi (max-sched-insn-conflict-delay,
2461 sched-spec-prob-cutoff): Document.
2463 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2465 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2466 inter_tick, queue_index.
2467 (struct sched_info): Change signature of init_ready_list field.
2468 Adjust all initializations.
2469 (RESOLVED_DEPS): New access macro.
2470 (ready_add): Remove prototype.
2471 (try_ready): Add prototype.
2472 * sched-rgn.c (init_ready_list): Use try_ready.
2473 (schedule_region): Initialize
2474 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2475 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2476 (init_ready_list): Use try_ready.
2477 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2478 * lists.c (remove_list_elem): Remove `static'.
2479 (remove_free_INSN_LIST_elem): New function.
2480 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2481 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2482 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2484 (readyp): New variable.
2485 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2486 change_queue_index, resolve_dep): New static functions.
2487 (try_ready): New function. Adjust callers in sched-rgn.c and
2488 sched-ebb.c to use it instead of ready_add.
2489 (clock_var): Move at the begining of file.
2490 (rank_for_schedule): Fix typo.
2491 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2492 (ready_lastpos): Enforce assertion.
2493 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2495 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2496 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2497 (queue_to_ready): Use free_INSN_LIST_list.
2498 (early_queue_to_ready): Fix typo.
2499 (schedule_block): Init readyp. Move init_ready_list call after the
2500 initialization of clock_var. Fix error in rejecting insn by
2501 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2502 that previously corrected INSN_TICKs. Add code for handling
2504 (set_priorities): Fix typo.
2505 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2506 Clarify comment and code that keeps current_sched_info->next_tail
2509 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2511 * sched-rgn.c (extend_rgns): New static function.
2512 (find_rgns): Use it.
2513 (gather_region_statistics, print_region_statistics): New static
2515 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2516 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2518 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2519 Andrey Belevantsev <abel@ispras.ru>
2521 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2522 * lists.c (unused_deps_list): New variable.
2523 (free_list): Add assertions to verify the proper distinguishing
2524 between INSN_LISTs and DEPS_LISTs.
2525 (find_list_elem, remove_list_elem, remove_list_node): New static
2527 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2528 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2529 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2530 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2532 (free_INSN_LIST_node): Likewise.
2533 * modulo-sched.c (current_sched_info): Initialize flags field.
2534 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2535 * rtl.def (DEPS_LIST): Define.
2536 * rtl.h: Declare new functions from lists.c.
2537 * sched-deps.c (spec_dependency_cache): New static variable.
2538 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2539 (add_dependence): Change return type to void. Move the logic to ...
2540 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2541 (delete_all_dependences): Add comment about forward_dependency_cache.
2542 Handle spec_dependency_cache. Handle DEPS_LISTs.
2543 (fixup_sched_groups): Clarify the change of priority of output
2544 and anti dependencies.
2545 (sched_analyze_2): Adjust add_dependence calls to create data
2546 speculative dependence.
2547 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2548 Adjust all callers. Handle DEPS_LISTS.
2549 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2550 presence of speculation.
2551 (init_dependency_caches, free_dependency_caches):
2552 Handle spec_dependency_cache.
2553 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2554 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2555 New static functions.
2556 (add_or_update_back_dep, add_or_update_back_forw_dep,
2557 add_back_forw_dep, delete_back_forw_dep): New functions.
2558 * sched-int.h (ds_t, dw_t): New typedefs.
2559 (struct sched_info): Add new field flags.
2560 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2561 Prototype new sched-deps.c functions.
2562 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2563 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2564 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2565 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2566 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2567 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2569 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2571 * sched-rgn.c (current_sched_info): Initialize flags field.
2572 (schedule_insns): Initialize current_sched_info before the sched_init
2574 * sched-ebb.c (current_sched_info): Initialize flags field.
2575 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2576 Call add_or_update_back_dep instead of add_dependence.
2577 Create control speculative dependencies.
2578 (schedule_insns): Initialize current_sched_info before the sched_init
2581 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2583 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2585 (sh_fallback_frame_state): Likewise.
2587 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2589 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2590 Do switch on default_use_cxa_atexit.
2591 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2592 * config/darwin-crt3.o: New.
2593 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2594 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2595 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2597 * config/rs6000/t-darwin: Move crt2.o building to here.
2598 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2599 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2602 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2604 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2605 from '! xxx' to '!xxx' for coding-style conformance.
2606 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2607 (EXTRA_CONSTRAINT): Likewise.
2608 * config/vax/vax.md (four unnamed insns): Likewise.
2610 2006-03-15 Paul Brook <paul@codesourcery.com>
2612 * config/arm/arm.c (minipool_pad): New.
2613 (add_minipool_forward_ref): Include pool alignment padding in address
2615 (push_minipool_fix): Set minipool_pad.
2616 (minipool_pad): Ditto.
2618 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2620 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2621 instead of GET_CODE() == MEM and REG_P() instead of
2623 (print_operand_address): Likewise.
2624 (vax_address_cost): Likewise.
2625 (vax_rtx_costs): Likewise.
2626 (vax_notice_update_cc): Likewise.
2627 (vax_output_int_add): Likewise.
2628 (INDEX_REGISTER_P): Likewise.
2629 (BASE_REGISTER_P): Likewise.
2630 (nonindexed_address_p): Likewise.
2631 (vax_mode_dependent_address_p): Likewise.
2632 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2633 (PRINT_OPERAND): Likewise.
2634 * config/vax/vax.md (ashlsi3): Likewise.
2635 (ashlsi3): Likewise.
2636 (some more unnamed insns): Likewise.
2638 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2640 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2641 iterator-style macro.
2642 (mark_control_dependent_edges_necessary): Update the use of
2643 EXECUTE_IF_CONTROL_DEPENDENT.
2645 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2647 * config/sh/predicates.md (cache_address_operand): Special.
2648 (ua_address_operand): Likewise.
2650 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2652 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2654 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2656 2006-03-15 Andreas Schwab <schwab@suse.de>
2658 * gensupport.c (identify_predicable_attribute): Don't free p_false
2659 when it is still in use.
2661 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2663 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2664 the default setting here.
2666 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2668 * tree-pass.h (pass_cfg): Remove.
2669 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2670 * passes.c (pass_cfg): Don't run it.
2672 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2674 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2675 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2677 (stack_regs_mentioned): Update the uses of
2678 stack_regs_mentioned_data. Don't access the array beyond its
2680 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2681 Don't include gt-reg-stack.h.
2683 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2684 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2686 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2689 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2692 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2694 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2696 2006-03-14 Richard Guenther <rguenther@suse.de>
2698 PR tree-optimization/26672
2699 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2702 2006-03-14 Richard Guenther <rguenther@suse.de>
2704 PR tree-optimization/26667
2705 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2706 node for the callees. Always allow inlining if it will shrink
2709 2006-03-14 Richard Guenther <rguenther@suse.de>
2712 * builtins.c (get_pointer_alignment): Prefer alignment
2713 information from decls over that from types.
2715 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2718 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2720 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2722 * config/rs6000/rs6000.opt (mdlmzb): New option.
2723 (msched-prolog, msched-epilog): Use Var not Mask.
2724 * doc/invoke.texi (-mdlmzb): Document.
2725 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2727 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2728 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2730 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2732 PR rtl-optimization/25739
2733 * bt-load.c (augment_live_range): Free tos pointer.
2735 * gensupport.c (identify_predicable_attribute): Free
2737 * gcov.c (create_file_names): Free name pointer.
2739 2006-03-13 Roger Sayle <roger@eyesopen.com>
2742 * stmt.c (emit_case_nodes): Handle the case where the index is a
2743 CONST_INT, where the comparison mode is specified by the index type.
2745 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2747 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2750 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2752 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2753 (*branch_fp_inverted): Likewise.
2755 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2758 * omp-low.c (expand_omp_for_generic): Mark istart0
2759 and iend0 as addressable.
2761 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2763 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2765 2006-03-13 Jeff Law <law@redhat.com>
2767 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2768 virtual operands are interesting.
2769 (vrp_visit_stmt): Corresponding changes.
2771 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2773 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2775 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2776 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2777 * config/bfin/crti.S: Use it instead of __PIC__.
2778 * config/bfin/crtn.S: Likewise.
2780 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2781 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2783 Lose 'G' modifier for call operand.
2784 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2785 recognize 'G' modifier.
2787 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2790 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2791 * stmt.c (expand_case): Likewise.
2793 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2795 PR rtl-optimization/26254
2796 * loop-invariant.c (seq_insns_valid_p): New function.
2797 (move_invariant_reg): Only emit new code if it is valid.
2799 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2801 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2803 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2804 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2805 (commit_one_edge_insertion): Do not look for loop notes.
2807 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2809 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2810 flag_test_coverage out of loop.
2812 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2814 * final.c (shorten_branches): Remove outdated comment, and turn
2815 the if branch that guards it to continue.
2817 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2819 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2820 * cfgloop.h (struct loop): Remove unused fields.
2822 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2824 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2825 (-dL, -fdump-rtl-loop2): Update the dump file names
2827 * doc/invoke.texi: Update dump file names.
2829 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2831 * predict.c (estimate_probability): Remove.
2832 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2833 * basic-block.h (estimate_probability): Remove prototype.
2834 * passes.c (finish_optimization_passes): Dump branch prediction or
2835 profiling heuristics to the .profile tree dump.
2836 (init_optimization_passes): Unqueue pass_branch_prob.
2838 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2840 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2842 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2843 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2845 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2847 * function.h (frame_offset_overflow): Declare.
2848 * function.c (frame_offset_overflow): New function.
2849 (assign_stack_local_1): Call it to detect that the offset overflows.
2850 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2852 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2854 * config/sh/sh.c: Include alloc-pool.h.
2855 (label_ref_list_pool): New alloc pool.
2856 (label_ref_list_t): New type for lists of labels.
2857 (struct pool_node): Make wend a label_ref_list_t.
2858 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2860 (dump_table): Likewise.
2861 (sh_reorg): Set up the alloc pool before using add_constant and
2862 dump_table, and destroy it when finishing.
2864 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2866 * config/mips/mips.c: Remove redundant comment.
2868 2006-03-10 Jason Merrill <jason@redhat.com>
2871 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2872 the target was declared 'register'.
2874 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2876 * genpreds.c (write_insn_constraint_len): Change definition of
2877 insn_constraint_len to return size_t to match the declaration.
2879 2006-03-10 DJ Delorie <dj@redhat.com>
2881 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2883 (m32c_expand_insv): Fix test for an AND mask.
2885 2006-03-10 Richard Guenther <rguenther@suse.de>
2888 * builtins.c (get_pointer_alignment): Handle component
2889 references for field alignment.
2891 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2893 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2894 when building with libgloss.
2895 (sh*elf): Implement --without-fp option.
2896 (sh64-superh-linux*): Don't multilib.
2898 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2900 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2902 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2904 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2905 Set it when one of the replacement functions returned true.
2906 Return TODO_cleanup_cfg if cfgchanged is true.
2907 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2909 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2911 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2912 instead of gen_lowpart.
2914 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2916 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2918 (mips_output_order_conditional_branch): Declare.
2919 * config/mips/mips.h (MIPS_BRANCH): New macro.
2920 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2921 for the comparison. Use gen_condjump.
2922 (mips_output_conditional_branch): Rework interface to take the
2923 asm templates for a direct branch and the inverse of a direct branch.
2924 (mips_output_order_conditional_branch): New function.
2925 (mips_builtin_branch_and_move): New function.
2926 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2927 branch condition. Use gen_single_cc as the condition for
2928 __builtin_mips_upper_* or __builtin_mips_lower_*.
2929 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2930 Use VOIDmode for the branch condition.
2931 * config/mips/predicates.md (order_operator): New predicate.
2932 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2933 (branch_fp): Rename to...
2934 (*branch_fp): ...this. Remove mode from comparison operator.
2935 Use new mips_output_conditional_branch interface.
2936 (branch_fp_inverted): Rename to...
2937 (*branch_fp_inverted): ...this and update as for *branch_fp.
2938 (*branch_zero<mode>): Rename to...
2939 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2940 Use mips_output_order_conditional_branch. Only accept ordered
2942 (*branch_zero<mode>_inverted): Rename to...
2943 (*branch_order<mode>_inverted): ...this and update as for
2944 *branch_order<mode>.
2945 (*branch_equality<mode>): Accept zero as the second operand to
2946 the equality operator. Use the new mips_output_conditional_branch
2948 (*branch_equality<mode>_inverted): Likewise.
2949 (condjump): New expander.
2950 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2952 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2953 (bc1any2t, bc1any2f): Likewise.
2954 (single_cc): New expander.
2955 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2957 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2959 * doc/md.texi: Update documentation of MIPS constraints.
2960 * config/mips/constraints.md: New file.
2961 * config/mips/mips.md: Include it.
2962 * config/mips/mips.c (mips_char_to_class): Delete.
2963 (override_options): Don't initialize mips_char_to_class.
2964 * config/mips/mips.h (mips_char_to_class): Delete.
2965 (REG_CLASS_FROM_LETTER): Delete.
2966 (CONST_OK_FOR_LETTER_P): Delete.
2967 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2968 (EXTRA_CONSTRAINT_Y): Delete.
2969 (EXTRA_CONSTRAINT_STR): Delete.
2970 (CONSTRAINT_LEN): Delete.
2971 (EXTRA_MEMORY_CONSTRAINT): Delete.
2973 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2975 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2976 original fn's eh regions.
2978 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2980 * fold-const.c (build_range_check): Make sure to use a valid type to
2981 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2984 (range_predecessor): New static function.
2985 (range_successor): Likewise.
2986 (merge_ranges): Use them to compute predecessors and successors of
2989 2006-03-09 Roger Sayle <roger@eyesopen.com>
2992 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2993 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2995 2006-03-08 DJ Delorie <dj@redhat.com>
2997 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2998 (addpsi3): Expand to include memory operands. Remove
2999 reload-specific splits.
3000 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3001 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3002 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3003 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3004 (shift1_qi, shift1_hi, insv): New.
3005 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3006 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3007 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3009 * config/m32c/m32c-protos.h: Update as needed.
3010 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3011 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3012 Fail for unrecognized R* constraints.
3013 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3014 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3015 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3017 (m32c_init_libfuncs): New.
3018 (m32c_legitimate_address_p): Add debug wrapper.
3019 (m32c_rtx_costs): New.
3020 (m32c_address_cost): New.
3021 (conversions): Add 'B' prefix.
3022 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3023 operands, or word regnames for QI operands. 'B' prints bit
3025 (m32c_expand_setmemhi): New.
3026 (m32c_expand_movmemhi): New.
3027 (m32c_expand_movstr): New.
3028 (m32c_expand_cmpstr): New.
3029 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3030 (m32c_expand_neg_mulpsi3): Handle non-ints.
3031 (m32c_cmp_flg_0): New.
3032 (m32c_expand_movcc): New.
3033 (m32c_expand_insv): New.
3034 (m32c_scc_pattern): New.
3035 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3036 a0/a1 out of SIregs.
3037 (STORE_FLAG_VALUE): New.
3038 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3041 * config/m32c/mov.md: Make constraints more liberal.
3042 (zero_extendqihi2): Optimize r0/r1 case.
3043 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3044 * config/m32c/predicates.md (m32c_any_operand): New.
3045 (m32c_nonimmediate_operand): New.
3046 (m32c_hl_operand): New.
3047 (m32c_r3_operand): New.
3050 (memsym_operand): New.
3051 (memimmed_operand): New.
3052 (a_qi_operand): New.
3053 (m32c_eqne_operator): New.
3054 (m32c_1bit8_operand): New.
3055 (m32c_1bit16_operand): New.
3056 (m32c_1mask8_operand): New.
3057 (m32c_1mask16_operand): New.
3058 * config/m32c/blkmov.md: New file.
3059 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3061 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3063 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3064 unsigned to fix signed/unsigned comparison issue in
3065 DWARF2_FRAME_REG_OUT.
3066 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3067 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3069 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3070 of ptr into the ENABLE_CHECKING section.
3072 2006-03-08 Jeff Law <law@redhat.com>
3074 * tree-vrp.c (infer_value_range): Only count pointer uses
3075 and dereferences if -fdelete-null-pointer-checks is enabled.
3077 * tree-vrp.c (find_assert_locations): Infer value ranges for
3078 single use pointers, but do not create ASSERT_EXPRs for them.
3079 When a non-null range is inferred for a pointer, backwards
3080 propagate that range to other equivalent pointers through the
3083 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3086 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3087 language hook targets.
3088 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3089 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3090 if language hook targets were missing.
3092 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3094 * tree-ssa-opfinalize.h: Removed.
3095 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3097 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3098 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3099 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3100 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3101 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3102 finalize_ssa_v_must_def_ops): New.
3104 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3106 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3109 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3111 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3113 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3114 addresses with offsets; reorganize.
3116 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3117 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3118 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3120 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3123 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3125 2006-03-08 Ben Elliston <bje@au.ibm.com>
3127 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3129 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3132 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3135 2006-03-07 Richard Guenther <rguenther@suse.de>
3137 PR tree-optimization/26587
3138 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3140 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3142 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3144 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3146 * hooks.c (hook_bool_mode_rtx_true): New function.
3147 * hooks.h (hook_bool_mode_rtx_true): Declare.
3148 * toplev.c (compile_file): Call output_shared_constant_pool.
3149 * varasm.c (shared_constant_pool): New variable.
3150 (assemble_start_function, assemble_end_function): Remove arguments
3151 from call to output_constant_pool.
3152 (create_constant_pool): New function, split out from...
3153 (init_varasm_status): ...here.
3154 (force_const_mem): Choose between the shared and per-function constant
3155 pools. Set current_function_uses_const_pool when reusing old entries
3156 as well as when creating new ones.
3157 (mark_constant): Ignore data argument.
3158 (mark_constants): Remove pool argument.
3159 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3160 to decide whether the function uses a constant pool.
3161 (output_constant_pool_contents): New function, split out from...
3162 (output_constant_pool): ...here.
3163 (output_shared_constant_pool): New function.
3164 (init_varasm_once): Initialize shared_constant_pool.
3165 * output.h (output_constant_pool): Delete.
3166 (output_shared_constant_pool): Declare.
3167 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3168 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3170 2006-03-06 Nick Clifton <nickc@redhat.com>
3172 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3173 flag_strength_reduce.
3175 2006-03-06 Ben Elliston <bje@au.ibm.com>
3177 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3178 x86_64-*-linux* configurations.
3180 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3181 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3183 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3185 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3187 * basic-block.h: Remove the extern for
3188 rediscover_loops_after_threading.
3190 * cfgloop.c (cancel_loop): Make it static.
3191 * cfgloop.h: Remove the prototype for cancel_loop.
3193 * flow.c (recompute_reg_usage): Make it static.
3194 * rtl.h: Remove the prototype for recompute_reg_usage.
3196 * function.c (use_return_register): Make it static.
3197 * function.h: Remove the prototype.
3199 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3201 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3203 * recog.h: Remove the prototype for
3204 validate_change_maybe_volatile.
3206 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3208 * rtlanal.c (replace_reg): Remove.
3209 * rtl.h: Remove the prototype for replace_reg.
3211 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3213 * regclass.c (reg_scan_update): Remove.
3214 (reg_scan_mark_refs): Remove the last argument.
3215 * rtl.h: Remove the prototype for reg_scan_update.
3217 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3219 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3220 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3221 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3222 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3223 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3224 loop-invariant.c, omp-low.c, opts.c, passes.c,
3225 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3226 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3227 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3228 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3229 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3230 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3232 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3234 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3235 * dwarf2out.h: Remove the prototype for
3236 dwarf2out_add_library_unit_info.
3238 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3240 * tree.c (add_var_to_bind_expr): Remove.
3241 * tree.h: Remove the prototype for add_var_to_bind_expr.
3243 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3245 * regclass.c (n_non_fixed_regs): Remove.
3246 (init_reg_sets_1, globalize_reg): Remove all uses of
3248 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3250 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3252 * rtlanal.c (insns_safe_to_move_p): Remove.
3253 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3255 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3257 * expmed.c (expand_mult_add): Remove.
3258 * expr.h: Remove the prototype for expand_mult_add.
3260 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3262 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3263 and REG_SAVED_VAL_EXP constants.
3264 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3265 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3266 Handle regs stored by value.
3267 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3268 (execute_cfa_program): Handle DW_CFA_val_offset,
3269 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3270 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3271 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3272 (uw_install_context_1): Handle target regs stored by value.
3274 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3276 * tree-sra.c (tree_sra): Return todoflags;
3277 (generate_one_element): Set TODO_update_smt_usage if needed.
3278 (pass_sra): Remove TODO_update_smt_usage.
3279 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3281 (tree_ssa_forward_propagate_single_use_vars): Return
3282 TODO_update_smt_usage if we need to update SMT usage.
3283 (pass_forwprop): Remove TODO_update_smt_usage.
3285 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3287 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3288 (correct_use_link): Remove reference to get_stmt_operands.
3289 (update_stmt_operands): Likewise.
3290 (get_modify_expr_operands): New function factored out of
3291 parse_ssa_operands and get_expr_operands.
3292 Try to create V_MUST_DEFs for LHS by default.
3293 (get_expr_operands) <case MODIFY_EXPR>: Call
3294 get_modify_expr_operands.
3295 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3296 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3297 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3298 get_modify_expr_operands.
3300 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3302 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3303 * tree-flow.h: Remove the prototype for
3304 referenced_var_lookup_if_exists.
3306 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3308 PR rtl-optimization/26345
3310 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3312 2006-03-03 Roger Sayle <roger@eyesopen.com>
3314 PR tree-optimization/26524
3315 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3316 fold_convert to create a constant of the appropriate type.
3318 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3320 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3321 SYMBOL_REF_IN_BLOCK_P.
3322 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3323 of SYMBOL_FLAG_IN_BLOCK.
3324 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3325 instead of SYMBOL_REF_IN_BLOCK_P.
3326 * explow.c (use_anchored_address): Likewise.
3327 * rtl.c (rtx_size): Likewise.
3328 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3329 instead of SYMBOL_FLAG_IN_BLOCK.
3330 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3331 SYMBOL_REF_IN_BLOCK_P.
3332 (assemble_variable): Likewise.
3333 (output_constant_def_contents): Likewise.
3334 (output_constant_pool): Likewise.
3335 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3336 instead of SYMBOL_FLAG_IN_BLOCK.
3337 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3338 SYMBOL_REF_IN_BLOCK_P.
3339 (SYMBOL_REF_BLOCK): Likewise.
3340 (SYMBOL_REF_OFFSET): Likewise.
3341 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3342 SYMBOL_REF_IN_BLOCK_P.
3343 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3344 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3345 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3346 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3348 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3350 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3352 2006-03-02 Roger Sayle <roger@eyesopen.com>
3354 * simplify-rtx.c (simplify_unary_operation): When simplifying
3355 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3356 that we perform the right shift in the appropriate mode, and
3357 then extend or truncate the result to requested mode.
3359 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3361 * gengtype.c (main): Handle double_int type.
3362 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3363 * double-int.c: New file.
3364 * double-int.h: New file.
3365 * system.h: Include doubleint.h.
3366 * Makefile.in (SYSTEM_H): Include double-int.h.
3367 (double-int.o): Add.
3369 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3372 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3375 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3377 * tree-vrp.c (remove_range_assertions): Do not update statements
3380 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3382 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3384 * gcse.c (rest_of_handle_gcse): Ditto.
3385 * except.c (gate_handle_eh): Ditto.
3386 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3387 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3389 2006-03-02 Eric Christopher <echristo@apple.com>
3391 * config/i386/i386.c (machopic_output_stub): Add indirection to
3394 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3398 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3400 Sun Niagara specific optimizations.
3401 * config.gcc: Recognize niagara as target.
3402 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3403 (TARGET_CPU_niagara): Define.
3404 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3405 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3406 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3407 (ASM_CPU_SPEC): Likewise.
3408 (PROCESSOR_NIAGARA): New enum entry.
3409 (REGISTER_MOVE_COST): Handle Niagara.
3410 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3411 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3412 (sparc_override_options): Recognize "niagara", set appropriate
3413 default MASK_* values for it, and align functions to 32-bytes
3414 by default just like ULTRASPARC/ULTRASPARC3.
3415 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3416 (sparc64_initialize_trampoline): Likewise.
3417 (sparc_use_sched_lookahead): Use zero for niagara.
3418 (sparc_issue_rate): Use one for niagara.
3419 * config/sparc/niagara.md: New file.
3420 * config/sparc/sparc.md: Include it.
3421 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3422 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3423 when default cpu is niagara.
3424 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3425 (ASM_CPU_SPEC): Likewise.
3426 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3427 when default cpu is niagara.
3428 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3429 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3430 just like v9/ultrasparc/ultrasparc3.
3431 * doc/invoke.texi: Add documentation for "niagara" and improve
3432 existing documentation for ultrasparc variants.
3434 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3436 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3438 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3440 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3441 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3442 and say that only one is needed.
3443 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3444 * target.h (have_switchable_bss_sections): New hook.
3445 * explow.c (use_anchored_address): Check that the symbol is in a block.
3446 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3447 (bss_noswitch_section): New variables.
3448 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3449 (get_noswitch_section): New function.
3450 (get_block_for_section): Allow SECT to be null.
3451 (unlikely_text_section_p): Use SECTION_STYLE.
3452 (bss_initializer_p): New function.
3453 (get_variable_section): Move earlier in file. Take a new argument,
3454 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3455 Return one of the new *_sections in such cases.
3456 (get_block_for_decl): New function, extracting some logic from
3457 use_blocks_for_decl_p.
3458 (change_symbol_section): Remove in favor of...
3459 (change_symbol_block): ...this new function.
3460 (use_blocks_for_decl_p): Remove checks now performed by
3462 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3463 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3464 (emit_local, emit_bss, emit_common): ...these new functions.
3465 Return true if the alignment was honored.
3466 (emit_tls_common): New function.
3467 (asm_emit_uninitialised): Delete.
3468 (assemble_variable_noswitch): New function, split out from...
3469 (assemble_variable): ...here. Don't make decisions about common
3470 variables here. Globalize all public decls that go into non-common
3471 sections. Check whether SYMBOL_REF_BLOCK is null.
3472 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3473 (output_constant_pool): Likewise.
3474 (init_varasm_once): Initialize the new section variables.
3475 (have_global_bss_p): New function.
3476 (categorize_decl_for_section): Use bss_initializer_p.
3477 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3478 (place_block_symbol): Assert that the symbol must be in a block.
3479 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3480 (TARGET_INITIALIZER): Include it.
3481 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3482 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3483 (SECTION_MACH_DEP): Bump by two.
3484 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3485 (unnamed_section): Mention SECTION_UNNAMED in comment.
3486 (named_section): Likewise SECTION_NAMED.
3487 (noswitch_section_callback): New type.
3488 (noswitch_section): New structure.
3489 (section): Add a noswitch_section alternative.
3490 (SECTION_STYLE): New macro.
3491 (tls_comm_section, comm_section, lcomm_section): Declare.
3492 (bss_noswitch_section, have_global_bss_p): Declare.
3493 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3494 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3496 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3497 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3500 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3502 * gcc/tree-vrp.c (execute_vrp): Return value.
3503 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3504 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3505 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3506 (tree_lower_complex_O0): Ditto.
3507 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3508 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3509 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3510 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3511 (execute_tail_calls): Ditto.
3512 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3513 * gcc/tree.h (init_function_for_compilation): Ditto.
3514 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3515 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3516 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3517 * gcc/final.c (compute_alignments): Ditto.
3518 (rest_of_handle_final): Ditto.
3519 (rest_of_handle_shorten_branches): Ditto.
3520 (rest_of_clean_state): Ditto.
3521 * gcc/omp-low.c (execute_expand_omp): Ditto.
3522 (execute_lower_omp): Ditto.
3523 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3524 * gcc/ipa-reference.c (static_execute): Ditto.
3525 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3526 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3527 (rest_of_handle_machine_reorg): Ditto.
3528 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3529 * gcc/flow.c (recompute_reg_usage): Ditto.
3530 (rest_of_handle_remove_death_notes): Ditto.
3531 (rest_of_handle_life): Ditto.
3532 (rest_of_handle_flow2): Ditto.
3533 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3534 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3535 (do_ssa_store_ccp): Ditto.
3536 (execute_fold_all_builtins): Ditto.
3537 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3538 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3539 * gcc/ipa-pure-const.c (static_execute): Ditto.
3540 * gcc/cse.c (rest_of_handle_cse): Ditto.
3541 (rest_of_handle_cse2): Ditto.
3542 * gcc/web.c (rest_of_handle_web): Ditto.
3543 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3544 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3545 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3546 * gcc/tree-nrv.c (tree_nrv): Ditto.
3547 (execute_return_slot_opt): Ditto.
3548 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3549 (create_structure_vars): Ditto.
3550 * gcc/loop-init.c (rtl_loop_init): Ditto.
3551 (rtl_loop_done): Ditto.
3552 (rtl_move_loop_invariants): Ditto.
3553 (rtl_unswitch): Ditto.
3554 (rtl_unroll_and_peel_loops): Ditto.
3555 (rtl_doloop): Ditto.
3556 * gcc/gimple-low.c (lower_function_body): Ditto.
3557 (mark_used_blocks): Ditto.
3558 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3559 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3560 (cgraph_early_inlining): Ditto.
3561 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3562 * gcc/jump.c (cleanup_barriers): Ditto.
3563 (purge_line_number_notes): Ditto.
3564 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3565 (rest_of_handle_if_after_reload): Ditto.
3566 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3567 (tree_ssa_loop_im): Ditto.
3568 (tree_ssa_loop_unswitch): Ditto.
3569 (tree_vectorize): Ditto.
3570 (tree_linear_transform): Ditto.
3571 (tree_ssa_loop_ivcanon): Ditto.
3572 (tree_ssa_empty_loop): Ditto.
3573 (tree_ssa_loop_bounds): Ditto.
3574 (tree_complete_unroll): Ditto.
3575 (tree_ssa_loop_prefetch): Ditto.
3576 (tree_ssa_loop_ivopts): Ditto.
3577 (tree_ssa_loop_done): Ditto.
3578 * gcc/predict.c (tree_estimate_probability): Ditto.
3579 * gcc/recog.c (split_all_insns_noflow): Ditto.
3580 (rest_of_handle_peephole2): Ditto.
3581 (rest_of_handle_split_all_insns): Ditto.
3582 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3583 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3584 (rest_of_handle_stack_adjustments): Ditto.
3585 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3586 * gcc/function.c (instantiate_virtual_regs): Ditto.
3587 (init_function_for_compilation): Ditto.
3588 (rest_of_handle_check_leaf_regs): Ditto.
3589 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3590 (rest_of_handle_gcse): Ditto.
3591 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3592 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3593 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3594 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3595 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3596 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3597 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3598 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3599 * gcc/except.c (set_nothrow_function_flags): Ditto.
3600 (convert_to_eh_region_ranges): Ditto.
3601 (rest_of_handle_eh): Ditto.
3602 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3603 (remove_unnecessary_notes): Ditto.
3604 * gcc/except.h (set_nothrow_function_flags): Ditto.
3605 (convert_to_eh_region_ranges): Ditto.
3606 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3607 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3608 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3609 (execute_fre): Ditto.
3610 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3611 (rest_of_handle_jump2): Ditto.
3612 * gcc/tree-sra.c (tree_sra): Ditto.
3613 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3614 (execute_mudflap_function_decls): Ditto.
3615 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3616 (do_store_copy_prop): Ditto.
3617 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3618 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3619 * gcc/tree-ssa-forwprop.c
3620 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3621 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3622 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3623 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3624 (execute_late_warn_uninitialized): Ditto.
3625 * gcc/rtl.h (cleanup_barriers): Ditto.
3626 (split_all_insns_noflow): Ditto.
3627 (purge_line_number_notes): Ditto.
3628 (unshare_all_rtl): Ditto.
3629 (remove_unnecessary_notes): Ditto.
3630 (recompute_reg_usage): Ditto.
3631 (variable_tracking_main): Ditto.
3632 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3633 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3634 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3635 (execute_free_cfg_annotations): Ditto.
3636 (execute_fixup_cfg): Ditto.
3637 (execute_cleanup_cfg_pre_ipa): Ditto.
3638 (execute_cleanup_cfg_post_optimizing): Ditto.
3639 (execute_init_datastructures): Ditto.
3640 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3641 * gcc/combine.c (rest_of_handle_combine): Ditto.
3642 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3643 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3644 (rest_of_handle_reorder_blocks): Ditto.
3645 (rest_of_handle_partition_blocks): Ditto.
3646 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3647 * gcc/tree-profile.c (tree_profiling): Ditto.
3648 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3649 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3650 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3651 (rest_of_handle_sched2): Ditto.
3652 * gcc/basic-block.h (free_bb_insn): Ditto.
3653 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3654 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3655 (remove_useless_stmts): Ditto.
3656 (split_critical_edges): Ditto.
3657 (execute_warn_function_return): Ditto.
3658 (execute_warn_function_noreturn): Ditto.
3659 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3660 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3661 * gcc/passes.c (execute_one_pass): Run additional
3662 todos returned by execute function.
3663 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3666 2006-03-02 Richard Guenther <rguenther@suse.de>
3668 * tree-ssa-alias.c (find_used_portions): Consider taking
3669 the address as making the variable not write-only.
3671 2006-03-02 Nick Clifton <nickc@redhat.com>
3673 * config.gcc (default_use_cxa_atexit): Extend the description of
3674 this configure variable. Set its default value to "yes" for
3675 Linux, NetBSD and ELF targets on the assumption that they will
3676 use C libraries with the __cxa_atexit function.
3678 2006-03-02 Ben Elliston <bje@au.ibm.com>
3680 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3681 parameter as unused to suppress a build warning.
3683 2006-03-02 Ben Elliston <bje@au.ibm.com>
3685 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3688 2006-03-01 Roger Sayle <roger@eyesopen.com>
3691 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3692 declared name, the weak reference name, and the typeof name.
3693 (__gthrw): Avoid expanding the declared name suffix.
3694 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3696 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3698 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3700 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3701 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3702 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3703 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3704 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3705 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3706 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3707 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3708 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3709 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3710 (DW_END_default, DW_END_big, DW_END_little): New.
3711 (DW_END_lo_user, DW_END_hi_user): Define.
3712 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3713 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3714 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3717 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3719 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3721 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3723 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3725 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3727 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3728 to 'symbol_mem_tag'.
3730 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3733 2006-03-01 Roger Sayle <roger@eyesopen.com>
3735 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3737 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3740 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3741 MACHO_DYNAMIC_NO_PIC_P.
3742 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3744 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3747 * config/darwin-protos.h (darwin_asm_output_anchor):
3749 * config/darwin-sections.def (cstring_section):
3750 Add SECTION_MERGE to the flags.
3751 (literal4_section): Likewise.
3752 (literal8_section): Likewise.
3753 (objc_selector_refs_section): Likewise.
3754 (objc_cls_refs_section): Likewise.
3755 * config/darwin.c (darwin_asm_output_anchor): New
3757 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3759 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3761 Fix PR tree-optimization/26443
3762 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3763 to todo and PROP_tmt_usage to properties_destroyed.
3764 * tree-ssa-ccp.c (pass_ccp): Ditto.
3765 (pass_store_ccp): Ditto.
3766 * tree-ssa-dom.c (pass_dominator): Ditto.
3768 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3770 * tree-ssa-operands.c: Cleanup whitespace.
3771 (get_asm_expr_operands): Move before first invocation.
3772 (get_indirect_ref_operands): Likewise.
3773 (get_tmr_operands): Likewise.
3774 (get_call_expr_operands): Likewise.
3775 (append_def): Likewise.
3776 (append_use): Likewise.
3777 (append_v_may_def): Likewise.
3778 (append_v_must_def): Likewise.
3779 (add_call_clobber_ops): Likewise.
3780 (add_call_read_ops): Likewise.
3781 (add_stmt_operand): Likewise.
3782 (add_virtual_operand): Likewise.
3783 (build_ssa_operands): Likewise.
3785 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3790 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3791 with a call expr to ...
3792 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3794 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3796 * tree-vrp.c (extract_range_from_assert): Remove special
3797 handling for types with super-types.
3799 2006-03-01 Ben Elliston <bje@au.ibm.com>
3801 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3802 and powerpc64-*-linux* configurations.
3803 * config/t-dfprules: New file.
3805 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3806 Compile dfp-bit.c from the source directory using -DWIDTH and
3807 $DFP_CFLAGS to control the compilation of that file, rather than
3808 generating width-specific versions in the build directory.
3809 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3810 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3812 2006-02-28 Zack Weinberg <zackw@panix.com>
3814 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3817 2006-02-28 Eric Christopher <echristo@apple.com>
3819 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3820 Set up IN_LIBGCC definition of TARGET_64BIT.
3821 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3823 2006-02-28 Roger Sayle <roger@eyesopen.com>
3826 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3827 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3828 cases via the construction of "expr != 0".
3830 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3832 * alias.c (alias_invariant, alias_invariant_size): Remove.
3833 (record_base_value): Remove.
3834 (memrefs_conflict_p): Don't look at alias_invariant.
3835 (end_alias_analysis): Don't free it.
3836 * alias.h (record_base_value): Remove prototype.
3838 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3839 Adam Nemet <anemet@caviumnetworks.com>
3841 * rtl.h (truncated_to_mode): Declare it.
3842 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3843 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3844 (RTL_HOOKS_INITIALIZER): Include it.
3845 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3846 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3847 reg_truncated_to_mode.
3848 * rtlanal.c (truncated_to_mode): Define it.
3849 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3851 2006-02-28 Jeff Law <law@redhat.com>
3853 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3854 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3855 the range allowed by TYPE_PRECISION.
3857 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3859 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3861 PR tree-optimization/26419
3862 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3865 2006-02-27 Zack Weinberg <zackw@panix.com>
3867 * doc/md.texi: Fix typo in previous change.
3869 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3873 2006-02-27 Zack Weinberg <zackw@panix.com>
3875 * rtl.def (define_constraint, define_register_constraint)
3876 (define_memory_constraint, define_address_constraint): New MD forms.
3877 * gensupport.c (process_rtx): Put define_constraint etc on the
3879 * genpreds.c (process_define_predicate): Adjust comment. Validate
3880 the name, and call validate_exp to validate the expression.
3881 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3882 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3883 all callers changed.
3884 (validate_exp, needs_variable, struct constraint_data)
3885 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3886 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3887 (const_dbl_constraints, constraint_max_namelen)
3888 (have_register_constraints, have_memory_constraints)
3889 (have_address_constraints, have_address_constraints)
3890 (have_extra_constraints, have_const_int_constraints)
3891 (have_const_dbl_constraints, mangle, add_constraint)
3892 (process_define_constraint, process_define_register_constraint)
3893 (write_enum_constraint_num, write_lookup_constraint)
3894 (write_insn_constraint_len, write_regclass_for_constraint)
3895 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3896 (write_insn_extra_memory_constraint)
3897 (write_insn_extra_address_constraint)
3898 (write_satisfies_constraint_fns): New.
3899 (write_tm_preds_h): If we have new-style constraint definitions,
3900 prototype the functions generated from them, and define the
3901 old constraint interface (still used by generic code) in terms of
3903 (write_insn_preds_c): If we have new-style constraint definitions,
3904 generate all relevant functions from those definitions.
3905 (main): Handle define_constraint etc.
3906 * genoutput.c (struct constraint_data, indep_constraints)
3907 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3908 (mdep_constraint_len): New data structures and functions, defined
3909 #ifdef USE_MD_CONSTRAINTS.
3910 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3911 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3912 use new logic to validate operand constraints against constraint
3914 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3916 * defaults.h: If none of the old-style constraint macros are
3917 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3918 old-style macros; and poison REG_CLASS_FROM_LETTER,
3919 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3921 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3922 * doc/md.texi: Document new constraint-definition mechanism and the
3923 C interface it provides. Remove references to old mechanism
3924 elsewhere in the document.
3925 (Machine Constraints): Use pathnames relative to gcc directory,
3926 i.e. config/ARCH/FILE. Change i386 section to refer to
3927 config/i386/predicates.md; update that section to match docstrings.
3928 * doc/tm.texi: Move all documentation of the old constraint-
3929 definition macros to their own section, clearly mark as obsolete.
3931 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3932 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3934 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3935 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3936 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3938 (splits and peepholes): Use satisfies_constraint_*.
3939 * config/i386/i386.c (memory_address_length)
3940 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3942 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3944 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3945 scalar operation to be put back into the loop.
3947 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3950 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3951 (extract_cie_info): Handle S flag in augmentation string.
3952 (execute_cfa_program): If context->signal_frame, execute also
3953 fs->pc == context->ra instructions.
3954 (uw_frame_state_for): If context->signal_frame, don't subtract one
3955 from context->ra to find FDE.
3956 (uw_update_context_1): Set context->signal_frame to
3958 (_Unwind_GetIPInfo): New function.
3959 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3960 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3962 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3963 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3964 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3965 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3966 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3967 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3968 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3969 x86_64_fallback_frame_state): Set fs->signal_frame.
3970 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3971 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3972 (frob_update_context): Likewise. Workaround missing S flag in
3973 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3974 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3975 Remove the psw_addr + 1 hack.
3977 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3979 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3980 with aggregates here.
3981 (find_func_aliases): Remove code for &<aggregate> from here.
3983 2006-02-26 Roger Sayle <roger@eyesopen.com>
3985 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3986 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3987 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3990 2006-02-26 Roger Sayle <roger@eyesopen.com>
3993 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3995 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3997 * opts.c (decode_options): Do not handle flag_strength_reduce.
3998 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3999 and OPT_fstrength_reduce.
4000 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4001 flag_prefetch_loop_arrays for being nonzero.
4002 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4004 (fprefetch-loop-arrays-rtl): Removed.
4005 (flag_prefetch_loop_arrays): Do not specify the value.
4007 * doc/passes.texi: Update documentation of loop optimizer
4009 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4010 -frerun-loop-opt): Remove.
4012 2006-02-26 Richard Guenther <rguenther@suse.de>
4014 PR tree-optimization/26421
4015 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4016 in function calls that are ADDR_EXPRs as using the whole structure.
4018 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4020 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4021 * tree-pass.h (pass_loop_optimize): Remove.
4022 * passes.c (pass_loop_optimize): Never run it.
4023 * toplev.c (backend_init): Don't call init_loop.
4024 * opts.c (flag_loop_optimize_set): Remove.
4025 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4026 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4027 the old RTL loop optimizer when profiling enabled.
4028 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4029 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4030 pre-headers for the sake of the old RTL loop optimizer.
4031 * Makefile.in: Remove all references to loop.o.
4033 * doc/invoke.texi: Remove all references to -floop-optimize
4034 and -frerun-loop-opt.
4036 2006-02-26 Zack Weinberg <zackw@panix.com>
4038 * doc/md.texi (Machine Constraints): Refer to all files with paths
4039 relative to gcc directory (i.e. config/CPU/file). Add missing
4040 @table @code ... @end table to M32C subsection.
4042 2006-02-26 Roger Sayle <roger@eyesopen.com>
4044 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4046 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4048 2006-02-26 Roger Sayle <roger@eyesopen.com>
4049 James A. Morrison <phython@gcc.gnu.org>
4052 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4053 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4054 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4055 signedness of the shift operation.
4057 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4059 PR tree-optimization/26359
4060 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4062 2006-02-25 Roger Sayle <roger@eyesopen.com>
4064 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4065 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4066 as X == 0, and some symmetry related transformations.
4067 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4069 2006-02-25 Roger Sayle <roger@eyesopen.com>
4072 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4073 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4074 symmetry related transformations. Fold (X^C1) == C2 as
4077 2006-02-25 Juergen Weigert <jw@suse.de>
4078 Richard Guenther <rguenther@suse.de>
4080 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4082 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4084 * combine.c (gen_lowpart_or_truncate): Call
4085 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4087 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4089 * doc/invoke.texi: Move -fopenmp description to "Options for
4091 Remove reference to -lgomp.
4093 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4095 * doc/install.texi: Require GNU tar version 1.14.
4097 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4099 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4100 * doc/invoke.texi (C++ Dialect Options): Document
4101 -fno-use-cxa-get-exception-ptr.
4102 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4103 * configure: Regenerate.
4104 * c.opt (fuse-cxa-get-exception-ptr): New.
4105 * c-opts.c (c_common_handle_option): Handle
4106 OPT_fuse_cxa_get_exception_ptr.
4107 * c-common.c (flag_use_cxa_atexit): Update documentation.
4108 (flag_use_cxa_get_exception_ptr): New.
4109 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4110 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4112 (C_COMMON_OVERRIDE_OPTIONS): New.
4114 2006-02-24 Roger Sayle <roger@eyesopen.com>
4117 * combine.c (try_combine): Explicitly check whether GET_CODE is
4118 a SET or a CLOBBER, instead on checking that it isn't a USE.
4120 2006-02-24 Roger Sayle <roger@eyesopen.com>
4122 * fold-const.c (fold_comparison): New subroutine of fold_binary
4123 containing transformations common to both the equality and
4124 ordering relational operators, factored out of fold_binary.
4125 (fold_binary): Separate out the equality operators (EQ_EXPR
4126 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4127 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4128 transformations common to both.
4129 (fold_div_compare): Fix latent bugs in the previously unreachable
4130 LT_EXPR and GE_EXPR cases.
4132 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4134 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4135 decl libname for clog to __clog on AIX.
4137 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4139 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4142 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4143 output traceback table for thunks. Localise rs6000_stack_info call.
4145 2006-02-23 Roger Sayle <roger@eyesopen.com>
4146 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4148 * gthr-posix.h (__gthrw): Fix typo in comment.
4150 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4152 * doc/cpp.texi (Character sets): Document that we do support
4153 input files to be in any character set.
4155 2006-02-23 Jeff Law <law@redhat.com>
4157 * tree.h (PHI_ARG_NONZERO): Remove.
4158 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4159 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4160 node to the new node.
4162 PR tree-optimization/26425
4163 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4164 min/max, then assume its varying.
4166 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4168 PR rtl-optimization/26316
4169 * rtlanal.c (enum may_trap_p_flags): New.
4170 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4171 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4172 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4173 (may_trap_after_code_motion_p): New function.
4174 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4175 (find_invariant_insn): Use may_trap_after_code_motion_p.
4176 * rtl.h (may_trap_after_code_motion_p): Declare.
4178 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4180 * emit-rtl.c (immed_double_const): Cleanup.
4182 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4184 Fix PR tree-optimization/26376
4185 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4188 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4191 * gimplify.c (omp_add_variable): Guard variable size decl test with
4192 DECL_SIZE (decl) check.
4194 2006-02-23 Richard Guenther <rguenther@suse.de>
4197 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4198 like aggregate types.
4200 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4202 * configure.ac: Add --with{,out}-long-double-128 configure option.
4203 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4204 * configure: Rebuilt.
4205 * config.in: Rebuilt.
4206 * doc/install.texi (Options specification): Document
4207 --with-long-double-128.
4209 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4210 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4211 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4212 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4214 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4216 * config/s390/s390.c (override_options): Handle
4217 TARGET_DEFAULT_LONG_DOUBLE_128.
4219 * config/alpha/alpha.c (override_options): Handle
4220 TARGET_DEFAULT_LONG_DOUBLE_128.
4222 * config/sparc/sparc.c (sparc_override_options): Handle
4223 TARGET_DEFAULT_LONG_DOUBLE_128.
4225 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4227 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4228 (real-install-headers-tar, real-install-headers-cpio)
4229 (real-install-headers-cp): New targets.
4231 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4233 * tree.h (variable_section): Delete.
4234 * varasm.c (variable_section): Delete.
4236 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4238 * install.texi: Add notes on install.texi2html.
4239 (Building in parallel): Do not use footnotes.
4241 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4244 * doc/install.texi (Configuration): Document --disable-libgomp.
4246 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4248 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4250 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4252 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4253 (vec_extractv2df_0_sse): New.
4255 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4257 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4258 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4259 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4260 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4261 to the result of the expression.
4262 (def_cfa_1): Adjust.
4263 (frame_pointer_cfa_offset): Rename to...
4264 (frame_pointer_fb_offset): ... this. Adjust all uses.
4265 (convert_cfa_to_loc_list): Rename to...
4266 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4267 Pass it on to build_cfa_loc.
4268 (compute_frame_pointer_to_cfa_displacement): Rename to...
4269 (compute_frame_pointer_to_fb_displacement): ... this. New
4270 offset parameter. Use it in computation.
4271 (gen_subprogram_die): Compute cfa_fb_offset with the new
4272 macro, and use it to compute the fb loc list and the
4275 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4277 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4278 replaced with register_operand.
4279 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4280 non-DREG is expensive.
4281 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4282 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4285 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4287 * doc/install.texi2html: Use set -e.
4289 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4291 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4292 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4293 * doc/invoke.texi (-fshared-data): Delete.
4294 * common.opt (fshared-data): Delete.
4295 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4296 (assemble_static_space): Remove #if 0 code.
4297 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4298 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4299 * config/cris/cris.h: Remove FIXME.
4301 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4303 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4306 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4309 * combine.c (simplify_shift_const_1): Disable nested shifts
4310 optimization for vector shifts.
4312 2006-02-20 Roger Sayle <roger@eyesopen.com>
4314 PR tree-optimization/26361
4315 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4316 of unsigned integer types.
4318 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4320 * tree-chrec.c (eq_evolutions_p): New.
4321 * tree-chrec.h (eq_evolutions_p): Declared.
4322 * tree-data-ref.c: Fix formatting.
4323 (datadep_stats, dependence_stats): New.
4325 (print_direction_vector): New.
4326 (dump_data_dependence_relation): Use print_direction_vector.
4327 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4328 (compute_subscript_distance): Static.
4329 (initialize_data_dependence_relation): Static. Get the number
4330 of loops surrounding the references from the callers, and initialize
4331 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4332 base_object_differ_p analyzers.
4333 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4334 compute_overlap_steps_for_affine_1_2,
4335 analyze_subscript_affine_affine): Count the classified dependences.
4336 Print a message when a test failed.
4337 (can_use_analyze_subscript_affine_affine): New.
4338 (analyze_siv_subscript): Compute the data dependences on symbolic
4339 scevs that verify can_use_analyze_subscript_affine_affine.
4340 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4341 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4342 Handle symbolic scevs.
4343 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4345 (subscript_dependence_tester): Moved...
4346 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4347 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4348 DDR_SIZE_VECT instead of getting it in parameter.
4349 (subscript_dependence_tester): ... here. Take as a parameter
4350 loop_nest_depth. Call build_classic_dist_vector and
4351 build_classic_dir_vector.
4352 (compute_affine_dependence): Update subscript_dependence_tester
4353 parameters. Update datadep_stats counters. Call
4354 compute_subscript_distance.
4355 (compute_self_dependence): Save the dist and dir vectors. Call
4356 compute_subscript_distance.
4357 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4358 (compute_all_dependences): Reorder parameters as they were before
4359 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4360 compute_subscript_distance. Update the use of
4361 compute_affine_dependence and initialize_data_dependence_relation.
4362 (find_data_references_in_loop): Handle COMPONENT_REF.
4363 (compute_data_dependences_for_loop): Initialize dependence_stats.
4364 Don't call build_classic_dist_vector and build_classic_dir_vector.
4365 Update the parameters of initialize_data_dependence_relation and
4366 compute_all_dependences. Print the statistics from datadep_stats.
4367 (analyze_all_data_dependences): Static. Not used until the pass for
4368 checking the data dependences is contributed.
4369 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4370 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4371 (initialize_data_dependence_relation, compute_affine_dependence,
4372 analyze_all_data_dependences, compute_subscript_distance): Removed.
4373 (print_direction_vector): New.
4374 * lambda.h (gcd): ... here.
4375 (lambda_vector_gcd): Moved here from gcd_vector.
4376 * lambda-code.c (gcd, gcd_vector): Removed.
4377 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4378 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4380 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4382 * ipa-type-escape.c: Tidy some comments and white space.
4383 * tree-ssa-operands.c: Likewise.
4385 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4388 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4389 (dump_decl_name): Do not walk the decl tree chains.
4390 * tree-pass.h (TDF_CHAIN): Remove.
4392 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4394 * Makefile.in (C): Remove
4396 (.PHONY): Remove C and PROTO
4398 2006-02-20 Roger Sayle <roger@eyesopen.com>
4401 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4402 deprecated CHAR_TYPE tree code.
4404 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4406 * configure.ac (target_list): Add install-info, dvi, html.
4407 * configure: Regenerate.
4409 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4410 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4411 treelang/Make-lang.in: Do not use double-colon rules.
4413 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4415 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4416 (TMT_USED_ALONE): New macro.
4417 * tree-pass.h (PROP_tmt_usage): New property.
4418 (TODO_update_tmt_usage): New todo.
4419 * tree-ssa-alias.c (updating_used_alone): New variable.
4420 (recalculate_used_alone): New function.
4421 (compute_may_aliases): Set updating_used_alone, call
4422 recalculate_used_alone.
4423 * tree-sra.c (pass_sra): Note that this pass destroys
4424 PROP_tmt_usage, and add TODO_update_tmt_usage.
4425 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4426 * tree-flow.h (updating_used_alone): Prototype.
4427 (recalculate_used_alone): Ditto.
4428 * passes.c (execute_todo): Add code to set updating_used_alone,
4429 and call recalculate.
4430 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4431 for clobber if used alone, and add assert to verify used_alone
4434 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4436 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4437 for non tls symbols added.
4438 (legitimize_address): Do nothing for PLUS expressions if one of the
4439 addends is a tls symbol reference.
4441 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4445 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4447 * Makefile.in (BOOTSTRAPPING): New.
4448 (quickstrap): New definition if BOOTSTRAPPING=yes.
4450 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4451 * configure.ac: Substitute all_selected_languages with the languages
4452 that were configured. For all the other variables except
4453 lang_specs_files, include all the languages in the tree.
4454 * configure: Regenerate.
4456 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4457 if there is one. Run the commands to run fixincludes in the same
4460 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4461 * doc/install.texi: Document exact conventions for searching target tools.
4462 Document --with-build-time-tools. Document toplevel bootstrap. Document
4463 something more about building an Ada cross-compiler. Don't list GNU Make
4464 requirements which affect all platforms.
4466 2006-02-19 Roger Sayle <roger@eyesopen.com>
4469 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4470 only equivalent if the have both the same mode and precision.
4472 2006-02-20 Ben Elliston <bje@au.ibm.com>
4474 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4476 2006-02-19 Roger Sayle <roger@eyesopen.com>
4477 Steven Bosscher <stevenb.gcc@gmail.com>
4479 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4480 constant pool references to identify stack mode constants.
4481 * rtlanal.c (constant_pool_constant_p): New predicate to check
4482 whether operand is a floating point constant in the pool.
4483 * rtl.h (constant_pool_constant_p): Prototype here.
4484 * loop.c (scan_loop): Avoid hoisting constants from the constant
4485 pool on STACK_REGS targets.
4486 (load_mems): Likewise.
4487 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4488 loads into x87 registers expensive in terms of register pressure.
4490 2006-02-19 Roger Sayle <roger@eyesopen.com>
4492 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4493 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4495 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4497 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4498 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4500 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4502 * doc/invoke.texi: Document -fipa-pta.
4503 * common.opt: Add ipa-pta option.
4504 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4505 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4506 (do_ds_constraint): Ditto.
4507 (get_constraint_for): Only add to referenced_vars if
4508 referenced_vars exists.
4509 (insert_into_field_list): Rewrite to do this unsorted.
4510 (insert_into_field_list_sorted): Rename old insert_into_field_list
4512 (create_function_info_for): Use insert_into_field_list_sorted.
4513 (create_variable_info_for): Rewrite so it uses unsorted version,
4514 since the field list is sorted.
4515 (intra_create_variable_infos): Only add to referenced_vars if
4516 referenced_vars exists.
4517 (ipa_pta_execute): Init heapvars, and delete when done.
4518 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4520 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4522 * doc/install.texi: Add missing `@samp'.
4524 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4526 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4529 2006-02-18 Mark Wielaard <mark@klomp.org>
4531 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4532 who added new 4.1 features, bug fixes and integration support.
4534 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4537 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4540 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4542 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4543 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4544 (copy_insn_1): Likewise. Don't copy each field individually.
4546 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4548 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4549 * rtl.c (rtx_size): Rename variable to...
4550 (rtx_code_size): ...this.
4551 (rtx_size): New function.
4552 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4553 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4555 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4556 * rtl.h (rtx_code_size): New variable.
4557 (rtx_size): Change from a variable to a function.
4558 (RTX_SIZE): Rename to...
4559 (RTX_CODE_SIZE): ...this.
4562 PR tree-optimization/17106
4563 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4564 (Anchored Addresses): New section.
4565 * doc/invoke.texi (-fsection-anchors): Document.
4566 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4567 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4568 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4569 * hooks.c (hook_bool_mode_rtx_false): New function.
4570 * hooks.h (hook_bool_mode_rtx_false): Declare.
4571 * gengtype.c (create_optional_field): New function.
4572 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4573 SYMBOL_REF_IN_BLOCK_P is true.
4574 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4575 (min_anchor_offset, max_anchor_offset): Likewise.
4576 (use_anchors_for_symbol_p): New hook.
4577 * toplev.c (compile_file): Call output_object_blocks.
4578 (target_supports_section_anchors_p): New function.
4579 (process_options): Check that -fsection-anchors is only used on
4580 targets that support it and when -funit-at-a-time is in effect.
4581 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4582 if the decl doesn't have one.
4583 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4584 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4585 of force_const_mem through use_anchored_address.
4586 (expand_expr_constant): New function.
4587 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4588 calling expand_expr for INDIRECT_REF.
4589 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4590 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4591 * expr.h (use_anchored_address): Declare.
4592 * loop-unroll.c: Don't declare rtx vectors here.
4593 * explow.c: Include output.h.
4594 (validize_mem): Call use_anchored_address.
4595 (use_anchored_address): New function.
4596 * common.opt (-fsection-anchors): New switch.
4597 * varasm.c (object_block_htab, anchor_labelno): New variables.
4598 (hash_section, object_block_entry_eq, object_block_entry_hash)
4599 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4600 (use_blocks_for_decl_p, change_symbol_section): New functions.
4601 (get_variable_section): New function, split out from assemble_variable.
4602 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4603 use_blocks_for_decl_p say so. Use change_symbol_section if the
4604 symbol has already been created.
4605 (assemble_variable_contents): New function, split out from...
4606 (assemble_variable): ...here. Don't output any code for
4607 block symbols; just pass them to place_block_symbol.
4608 Use get_variable_section and assemble_variable_contents.
4609 (get_constant_alignment, get_constant_section, get_constant_size): New
4610 functions, split from output_constant_def_contents.
4611 (build_constant_desc): Create a block symbol if use_object_blocks_p
4612 says so. Or into SYMBOL_REF_FLAGS.
4613 (assemble_constant_contents): New function, split from...
4614 (output_constant_def_contents): ...here. Don't output any code
4615 for block symbols; just pass them to place_section_symbol.
4616 Use get_constant_section and get_constant_alignment.
4617 (force_const_mem): Create a block symbol if use_object_blocks_p and
4618 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4619 (output_constant_pool_1): Add an explicit alignment argument.
4620 Don't switch sections here.
4621 (output_constant_pool): Adjust call to output_constant_pool_1.
4622 Switch sections here instead. Don't output anything for block symbols;
4623 just pass them to place_block_symbol.
4624 (init_varasm_once): Initialize object_block_htab.
4625 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4626 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4627 (place_block_symbol, get_section_anchor, output_object_block)
4628 (output_object_block_htab, output_object_blocks): New functions.
4629 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4630 (TARGET_ASM_OUT): Include it.
4631 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4632 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4633 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4634 (TARGET_INITIALIZER): Include them.
4635 * rtl.c (rtl_check_failed_block_symbol): New function.
4636 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4637 (block_symbol, object_block): New structures.
4638 (rtx_def): Add a block_symbol field to the union.
4639 (BLOCK_SYMBOL_CHECK): New macro.
4640 (rtl_check_failed_block_symbol): Declare.
4641 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4642 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4643 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4644 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4645 * output.h (output_section_symbols): Declare.
4646 (object_block): Name structure.
4647 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4648 (default_use_anchors_for_symbol_p): Declare.
4649 * Makefile.in (RTL_BASE_H): Add vec.h.
4650 (explow.o): Depend on output.h.
4651 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4652 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4653 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4654 (rs6000_use_blocks_for_constant_p): New function.
4656 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4658 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4660 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4663 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4666 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4668 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4672 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4675 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4676 instead of DECL_REGISTER.
4678 2006-02-18 Olivier Hainque <hainque@adacore.com>
4681 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4683 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4686 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4687 * opth-gen.awk: Handle Var and InverseMask together.
4688 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4689 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4690 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4691 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4693 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4694 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4695 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4696 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4697 LINUX_DYNAMIC_LINKER): Define.
4698 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4699 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4701 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4702 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4703 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4704 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4705 (TARGET_C99_FUNCTIONS): Don't define.
4706 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4707 GLIBC_DYNAMIC_LINKER.
4708 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4709 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4710 GLIBC_DYNAMIC_LINKER64): Define.
4711 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4712 LINUX_DYNAMIC_LINKER64.
4713 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4714 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4715 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4716 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4717 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4718 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4719 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4720 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4721 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4722 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4723 and LINUX_DYNAMIC_LINKER32.
4724 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4725 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4726 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4727 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4728 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4730 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4731 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4732 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4733 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4734 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4735 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4736 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4737 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4738 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4739 LINUX_DYNAMIC_LINKER): Define.
4740 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4741 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4742 GLIBC_DYNAMIC_LINKER64): Define.
4743 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4744 LINUX_DYNAMIC_LINKER64.
4745 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4746 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4747 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4748 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4749 LINUX_DYNAMIC_LINKER): Define.
4750 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4751 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4752 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4753 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4754 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4755 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4756 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4757 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4758 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4759 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4760 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4761 * doc/invoke.texi (-muclibc): Remove caveat about supported
4764 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4766 * doc/cpp.texi (__TIMESTAMP__): Document.
4768 2006-02-17 Roger Sayle <roger@eyesopen.com>
4771 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4772 C is one less than the width of X (and related transformations).
4773 * simplify-rtx.c (simplify_unary_operation_1): Transform
4774 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4775 depending on STORE_FLAG_VALUE, were C is one less then the
4778 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4780 Fix PR tree-optimization/26341
4781 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4782 about NAME_MEMORY_TAG's.
4784 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4787 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4788 with hardware float support, and software float support. Add fcpy
4789 alternative to hardware patterns. Add alternatives to copy between
4790 general and floating-point registers to the 32-bit pattern.
4791 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4792 secondary reload to load a QI or HI mode constant into a floating
4794 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4795 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4797 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4800 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4802 (load_macho_picbase_di): Likewise.
4804 2006-02-16 Jeff Law <law@redhat.com>
4806 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4807 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4808 (ssa_name_nonzero_p): Likewise.
4809 (get_value_range): Return NULL if VRP is not running.
4810 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4811 VRP routines do not discover a range.
4812 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4813 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4814 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4815 (tree_expr_nonnegative_p): Similarly.
4816 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4817 (restore_nonzero_vars_to_original_value): Remove.
4818 (unsafe_associative_fp_binop): Remove.
4819 (tree_ssa_dominator_optimize): Remove initialization and
4820 finalization of nonzero_vars and nonzero_vars_stack.
4821 (dom_opt_initialize_block): No longer push marker on
4823 (dom_opt_finalize_block): No longer call
4824 restore_nonzero_vars_to_original_value.
4825 (record_equivalences_from_phis): No longer look for
4826 nonzero PHI arguments.
4827 (cprop_into_successor_phis): No longer propagate nonzero
4828 property into PHI arguments. Lose unused argument. Caller
4830 (record_equivalences_from_stmt): No longer record nonzero
4831 values for SSA_NAMEs.
4832 (lookup_avail_expr): No longer use nonzero_vars.
4834 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4835 for sizetype when sizetype is unsigned.
4837 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4839 PR rtl-optimization/25603
4840 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4841 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4842 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4843 with new meaning of SETS.
4845 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4850 * config/linux.opt: New file.
4851 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4852 LINUX_DYNAMIC_LINKER): Define.
4853 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4854 * config.gcc (*-*-linux*): Define extra_options.
4855 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4856 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4857 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4858 GLIBC_DYNAMIC_LINKER.
4859 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4860 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4861 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4862 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4863 * doc/invoke.texi (GNU/Linux Options): New section.
4865 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4867 * config/sparc/sparc.md (setjmp): Rewrite.
4868 (setjmp_32): Delete.
4869 (setjmp_64): Likewise.
4871 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4873 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4876 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4878 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4881 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4883 PR rtl-optimization/26296
4884 * Makefile.in (loop-invariant.c): Add except.h dependency.
4885 * loop-invariant.c: Include except.h.
4886 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4888 2005-02-16 Paul Brook <paul@codesourcery.com>
4890 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4893 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4895 PR rtl-optimization/25636
4896 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4897 when deciding whether an insn is an initializing insn.
4899 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4901 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4902 (tree_code_size): Ditto.
4903 * tree.h (struct tree_memory_tag): Remove parent_var.
4904 (struct tree_struct_field_tag): New.
4907 (union tree_node): Add sft member.
4908 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4910 (create_sft): Add size and offset argument, set SFT_OFFSET and
4912 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4913 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4914 * tree-flow-inline.h (get_subvar_at): Update for
4915 SFT_OFFSET/SFT_SIZE.
4916 (var_can_have_subvars): Ditto.
4917 (overlap_subvar): Ditto.
4918 * print-tree.c (print_node): Print out interesting things for
4920 * tree-flow.h (struct subvar): Remove offset and size members.
4921 * tree-ssa-operands.c (get_expr_operands): Update for
4922 get_indirect_ref_operands changes.
4923 (get_indirect_ref_operands): Call add_virtual_operand instead of
4924 add_stmt_operand. Only recurse on base var if requested.
4925 (access_can_touch_variable): New function.
4926 (add_stmt_operand): Split virtual operand handling into ...
4927 (add_virtual_operand): Here. Add offset, size, and for_clobber
4928 arguments. Prune alias sets.
4929 (add_call_clobber_ops): Call add_virtual_operand.
4931 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4934 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4936 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4937 than TREE_CODE as index into omp_clause_num_ops array.
4939 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4941 PR rtl-optimization/26184
4942 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4944 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4945 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4946 must_precede, must_follow and tobe_scheduled.
4949 * opts.c (common_handle_option): Free new_option pointer.
4950 * df-core.c (df_analyze): Free postorder pointer.
4952 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4954 * Makefile.in: Fix the examples about the use of stamps
4956 2006-02-15 Michael Matz <matz@suse.de>
4960 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4961 influenced by maximum_field_alignment or DECL_PACKED.
4962 (update_alignment_for_field): Ditto.
4963 (place_field): Ditto.
4964 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4967 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4969 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4970 (debug_flow_info): Pass it.
4971 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4972 * bb-reorder.c (reorder_basic_blocks): Likewise.
4973 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4974 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4975 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4976 * gcse.c (gcse_main, bypass_jumps): Likewise.
4977 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4978 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4979 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4980 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4981 * rtl.h (dump_flow_info): Adjust prototype.
4982 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4983 * var-tracking.c (variable_tracking_main): Likewise.
4984 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4985 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4988 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4990 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4993 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4995 PR tree-optimization/26209
4996 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4997 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4999 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5001 2006-02-14 Roger Sayle <roger@eyesopen.com>
5004 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5005 (X,Y) and the corresponding symmetry related transformations.
5006 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5007 (X,Y) and its symmetry related transformations.
5009 2006-02-14 Roger Sayle <roger@eyesopen.com>
5011 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5014 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5016 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5018 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5021 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5022 support COMDAT group.
5023 * configure: Regenerate.
5025 2006-02-14 Roger Sayle <roger@eyesopen.com>
5030 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5032 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5034 Fix PR tree-optimization/26260
5036 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5038 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5039 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5040 * tree-ssa-structalias.c (create_variable_info_for): Use
5041 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5043 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5045 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5047 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5048 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5049 of the ending condition.
5050 * tree-ssa-loop-manip.c: Include params.h.
5051 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5052 tree_unroll_loop): New functions.
5053 * tree-pass.h (pass_loop_prefetch): Declare.
5054 * loop.c (rest_of_handle_loop_optimize): Test for
5055 -fprefetch-loop-arrays-rtl.
5056 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5057 * timevar.def (TV_TREE_PREFETCH): New timevar.
5058 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5059 pass_loop_prefetch): New.
5060 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5061 (cleanup_tree_cfg_loop): Call scev_reset.
5062 * common.opt (fprefetch-loop-arrays-rtl): Add.
5063 * tree-ssa-loop-prefetch.c: New file.
5064 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5065 (new_temp_expr_table): Initialize expr_vars.
5066 (free_temp_expr_table): Cleanup expr_vars.
5067 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5068 expressions from being merged into one.
5069 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5070 (struct tree_niter_desc): Add control, bound and cmp fields.
5071 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5073 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5074 (tree-cfgcleanup.o): Add SCEV_H dependency.
5075 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5076 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5078 2006-02-14 Richard Guenther <rguenther@suse.de>
5080 PR tree-optimization/26258
5081 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5082 in PHI argument processing.
5084 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5086 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5087 new expression in the requested machine mode.
5089 2006-02-13 Roger Sayle <roger@eyesopen.com>
5091 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5092 directly, instead let do_compare_rtx_and_jump handle this for us.
5093 * expr.c (expand_expr_real_1): Likewise.
5094 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5095 before do_jump_by_parts_greater.
5096 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5097 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5099 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5101 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5103 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5105 PR rtl-optimization/26235
5106 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5107 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5110 2006-02-13 Jeff Law <law@redhat.com>
5112 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5115 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5118 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5119 twice if decl is a builtin. When trying again, call get_callee_fndecl
5120 first to verify it is still a builtin.
5122 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5124 * dwarf2out.c (base_type_die): Don't add AT_name here.
5125 (subrange_type_die): Don't add AT_name here.
5126 (modified_type_die): Rearrange code flow. Do add AT_name here.
5128 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5130 PR rtl-optimization/26247
5131 PR rtl-optimization/26248
5132 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5134 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5136 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5137 * config/fixtfdi.c: Likewise.
5138 * config/fixunstfdi.c: Likewise.
5139 * config/floatditf.c: Likewise.
5141 2006-02-13 Roger Sayle <roger@eyesopen.com>
5144 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5145 into (X,C2) if C1 is a subset of the bits of C2. Transform
5146 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5148 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5150 2006-02-13 Josh Conner <jconner@apple.com>
5153 * varasm.c (function_section): Check for section name before
5154 calling select_section on targets that define
5155 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5156 unlikely_text_section instead of hot_function_section if
5157 first_function_block_is_cold.
5159 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5162 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5164 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5166 PR rtl-optimization/26222
5167 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5168 after tree->rtl expansion.
5169 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5170 before passing it to emit_move_insn.
5172 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5174 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5176 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5177 Clarify documentation.
5178 * c-common.h (warn_write_strings): Remove.
5179 * c-common.c (warn_write_strings): Likewise.
5180 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5183 2006-02-12 Roger Sayle <roger@eyesopen.com>
5186 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5187 (do_jump_parts_zero_rtx): New function renamed from
5188 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5189 (do_jump_parts_equality_rtx): New function split out from
5190 do_jump_parts_equality. Old implementation renamed as above.
5191 Call do_jump_parts_zero_rtx if either operand is zero.
5192 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5193 do all of the heavy lifting.
5194 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5195 calling either do_jump_by_parts_greater_rtx or
5196 do_jump_by_parts_equality_rtx.
5197 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5198 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5199 moved to do_compare_rtx_and_jump, call it directly.
5200 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5201 mode argument. Call do_compare_rtx_and_jump.
5202 (emit_case_nodes): Update calls to do_jump_if_equal.
5204 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5206 PR rtl-optimization/26225
5207 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5209 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5211 PR rtl-optimization/26232
5212 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5214 2006-02-11 Jason Merrill <jason@redhat.com>
5217 * tree-inline.c (declare_return_variable): Just don't use the
5218 modify target if it's a gimple complex reg and the return slot
5221 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5223 * doc/contrib.texi: Update my entry.
5225 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5227 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5229 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5231 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5234 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5236 * doc/invoke.texi (-floop-optimize2): Removed.
5237 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5238 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5239 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5240 * common.opt (floop-optimize2): Removed.
5241 (fmove-loop-invariants): Enabled by default.
5243 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5245 * tree-if-conv.c (combine_blocks): Free the result of
5246 get_loop_exit_edges.
5248 2006-02-10 Jeff Law <law@redhat.com>
5250 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5252 PR tree-optimization/26213
5253 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5254 loop trying to follow SSA_NAME_VALUE chains.
5256 2006-02-10 Richard Guenther <rguenther@suse.de>
5258 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5259 deal with structures that end in implicitly variable sized arrays.
5261 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5263 PR rtl-optimization/24762
5264 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5267 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5269 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5270 (struct ivopts_data): Add regs_used field.
5271 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5272 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5273 instead of loop_data->regs_used;
5274 (free_loop_data): Do not free aux fields for loops.
5275 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5276 and tree_ssa_iv_optimize_finalize.
5278 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5280 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5282 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5285 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5286 computing the effective result type.
5288 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5291 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5292 (tree_overlaps_hard_reg_set): Declare.
5293 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5294 type and signature to match function type expected by walk_tree.
5295 (tree_overlaps_hard_reg_set): New function.
5296 (decl_conflicts_with_clobbers_p): Rename to:
5297 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5298 Use tree_overlaps_hard_reg_set. Changed caller.
5299 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5300 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5301 * cris.c (cris_md_asm_clobbers): Likewise.
5303 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5305 * reload1.c (emit_input_reload_insns): Delete code that tries to
5306 inherit using find_equiv_reg.
5308 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5310 * c-common.h (flag_const_strings): Don't declare.
5311 * c-common.c (flag_const_strings): Remove.
5312 * c.opt (fconst_strings): Remove.
5313 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5314 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5315 (c_common_init_options): Don't set flag_const_strings.
5316 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5318 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5320 * arm.md (tlobits_cbranch): New pattern.
5321 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5322 testing a single bit.
5324 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5327 * tree-ssa-pre.c (create_component_ref_by_pieces):
5328 Handle RETURN_DECL like VAR_DECL.
5330 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5333 * fold-const.c (fold_indirect_ref_1): Fold
5334 "*(foo *)&complexfoo" to "__real__ complexfoo"
5335 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5337 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5339 * tree-flow-inline.h (var_can_have_subvars):
5340 Volatile variables should not have subvariables.
5342 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5345 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5346 multiplying unsigned values.
5349 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5351 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5353 2006-02-08 Jason Merrill <jason@redhat.com>
5356 * tree.def: Elaborate on difference from MODIFY_EXPR.
5357 * doc/c-tree.texi (INIT_EXPR): Likewise.
5358 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5359 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5360 (gimplify_target_expr): Likewise.
5361 (gimplify_cond_expr): Remove target handling.
5362 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5363 (gimplify_expr): Clobber it here.
5364 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5365 Do return slot optimization if we have an INIT_EXPR.
5368 * tree-inline.c (declare_return_variable): Also clear
5369 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5372 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5375 * gimplify.c (gimplify_one_sizepos): Fix typo.
5377 2006-02-08 Jeff Law <law@redhat.com>
5379 PR tree-optimization/21417
5380 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5381 across a backedge if the control statement at the end of the
5382 block is data dependent on other statements in the same block.
5383 (record_temporary_equivalences_from_stmts): Remove over-conservative
5384 test for threading across backedges.
5386 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5387 control statement, handle all three special cases in the same
5388 manner as they all have the same desired solution. No longer
5389 special case edge flag updating when the post dominator is
5392 2006-02-08 Roger Sayle <roger@eyesopen.com>
5394 * tree.def (CHAR_TYPE): Remove.
5395 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5396 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5397 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5398 (gen_string_type_die): Delete unreachable function.
5400 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5401 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5402 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5403 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5404 * builtins.c (type_to_class): Likewise.
5405 * fold-const.c (fold_convert, build_range_check,
5406 merge_ranges): Likewise.
5407 * expr.c (count_type_elements): Likewise.
5408 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5409 * stor-layout.c (layout_type): Likewise.
5410 * ipa-type-escape.c (type_to_consider): Likewise.
5411 * gimplify.c (omp_firstprivatize_type_sizes,
5412 gimplify_type_sizes): Likewise.
5413 * explow.c (promote_mode): Likewise.
5414 * tree-sra.c (is_sra_scalar_type): Likewise.
5415 * varasm.c (output_constant): Likewise.
5416 * tree-inline.c (remap_type_1): Likewise.
5417 * convert.c (convert_to_pointer, convert_to_real,
5418 convert_to_integer, convert_to_complex): Likewise.
5420 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5422 * df-scan.c (df_def_record_1): A set destination may
5423 be a parallel regardless of mode.
5425 2006-02-08 Roger Sayle <roger@eyesopen.com>
5428 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5429 * config/mips/_tilib.c: Remove.
5430 * config/fixtfdi.c: New libgcc source file.
5431 * config/fixunstfdi.c: New source file.
5432 * config/floatditf.c: New source file.
5433 * config/floatunditf.c: New souce file.
5434 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5435 files above instead of config/mips/_tilib.c.
5436 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5438 2006-02-08 Jeff Law <law@redhat.com>
5440 PR tree-optimization/26169
5441 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5444 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5446 * df.h (DF_REG_SIZE): Return the length of the initialized
5449 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5451 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5452 __muldf3): Return a correctly signed zero.
5454 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5456 * passes.c (register_one_dump_file): Accept the current properties
5457 instead of pass number. Adjust call to dump_register. Remove
5459 (register_dump_files): Now a wrapper around...
5460 (register_dump_files_1): ... this one. Do not modify the pass
5462 (next_pass_1): Cosmetic fix.
5463 (execute_todo): Keep second parameter only. Use curr_properties
5464 instead of fetching it from the pass structure. Check and set
5466 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5467 instead of fetching it from the pass structure. Fix calls to
5468 execute_todo. Update curr_properties and initialize .vcg RTL dump
5469 after running the pass. Reset last_verified.
5470 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5472 (FIRST_AUTO_NUMBERED_DUMP): New.
5473 (dump_register): Remove "num" parameter, assign it within the
5475 (get_dump_file_name): Modify template for dumps.
5476 * tree-dump.h (dump_register): Adjust prototype.
5477 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5478 (PROP_trees): Add PROP_gimple_lomp.
5479 (TODO_set_props): New.
5480 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5481 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5482 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5484 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5486 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5487 (sparc64-*-linux*): Likewise.
5488 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5489 * config/sparc/t-linux: New file.
5490 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5491 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5492 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5493 -m32 -mlong-double-128.
5495 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5496 * config/alpha/t-linux: New file.
5497 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5499 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5500 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5501 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5502 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5503 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5504 (CPP_ARCH32_SPEC): Remove.
5506 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5508 PR tree-optimization/26145
5509 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5512 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5515 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5516 >= 240000 when generating code for SOM runtime.
5517 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5518 to $$dyncall when generating code for SOM runtime..
5520 2006-02-07 Dirk Mueller <dmueller@suse.com>
5523 * doc/invoke.texi (-Wsequence-point): Update documentation
5524 that -Wsequence-point is implemented for C++ as well.
5526 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5528 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5529 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5530 (LIB_SPEC): Likewise.
5531 * doc/invoke.texi (SPARC options): Document -pthread.
5533 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5535 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5538 2006-02-07 Roger Sayle <roger@eyesopen.com>
5540 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5541 Correct comment describing BOOLEAN_TYPE.
5543 2006-02-07 Dirk Mueller <dmueller@suse.com>
5545 * c.opt: C++ frontend supports -Wdiv-by-zero.
5546 * c-opts.c (c_common_handle_option): Remove dead case.
5548 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5550 * configure.ac (TLS assembler check): Do not enable TLS by
5551 default on SPARC/Solaris before version 10.
5552 * configure: Regenerate.
5554 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5556 * doc/invoke.texi (xl-compat): Document conversion and support
5559 2006-02-07 Jeff Law <law@redhat.com>
5561 * tree-vrp.c (find_conditional_asserts): Update comments.
5562 (simplify_stmt_for_jump_threading): New.
5563 (identify_jump_threads, finalize_jump_threads): New.
5564 (vrp_finalize): Call identify_jump_threads.
5565 (execute_vrp): Call finalize_jump_threads.
5566 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5567 (vrp_element, vrp_data, vrp_element_p): Remove.
5568 (vrp_hash_elt, vrp_variables_stack): Remove.
5569 (vrp_hash, vrp_eq, record_range): Remove.
5570 (simplify_cond_and_lookup_avail_expr): Remove.
5571 (extract_range_from_cond): Remove.
5572 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5573 (simplify_stmt_for_jump_threading): New.
5574 (dom_thread_across_edge): New wrapper.
5575 (tree_ssa_dominator_optimize): No longer initialize or
5576 finalize any of the VRP datastructures. Remove iteration
5577 step and simplify as a result of removal of iteration step.
5578 (pass_dominator): Perform a cfg cleanup after DOM.
5579 (dom_opt_finalize_block): Use the new common routines
5580 for threading jumps. Simplify stack management slightly.
5581 No longer need to unwind VRP state.
5582 (record_equivalences_from_incoming_edge): No longer record
5584 (eliminate_redundant_computations): No longer call
5585 simplify_cond_and_lookup_avail_expr.
5586 * tree-flow.h (potentially_threadable_block): Prototype.
5587 (thread_across_edge): Likewise.
5588 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5589 (tree-ssa-threadedge.o): Add dependencies.
5590 * tree-ssa-threadedge.c: New file.
5591 * passes.c (init_optimization_passes): Merge PHIs before
5592 calling VRP. Run VRP again late in the SSA optimization pipeline.
5594 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5596 * df-core.c (df_set_blocks): Do not dereference function pointers.
5597 (df_finish1): Likewise.
5598 (df_hybrid_search_forward): Likewise.
5599 (df_hybrid_search_backward): Likewise.
5600 (df_iterative_dataflow): Likewise.
5601 (df_analyze_problem): Likewise.
5602 (df_compact_blocks): Likewise.
5603 (df_dump): Likewise.
5604 * df-scan.c (df_rescan_blocks): Likewise.
5605 (df_record_entry_block_defs): Likewise.
5607 * genconditions.c (write_conditions): Guard the definition of
5608 'insn_conditions' with the check on GCC version.
5609 (write_writer): Guard the traversal 'insn_conditions' with
5610 the check on GCC version.
5612 2006-02-07 Richard Guenther <rguenther@suse.de>
5616 2006-01-30 Richard Guenther <rguenther@suse.de>
5618 * gimplify.c (gimplify_target_expr): Handle easy cases
5619 without creating a temporary.
5621 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5623 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5624 use of float in probability computations. Use edge probabilities
5625 in place of statically computed probabilities.
5626 (min_spec_prob): New static variable.
5627 (schedule_insns): Initialize it.
5628 (GET_SRC_PROB): Removed.
5629 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5631 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5634 * config/ia64/unwind-ia64.c: Revert last change.
5635 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5636 (INCOMING_FRAME_SP_OFFSET): Define.
5638 2006-02-06 Roger Sayle <roger@eyesopen.com>
5640 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5642 2006-02-07 Ben Elliston <bje@au.ibm.com>
5644 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5645 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5646 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5647 (ix86_return_in_memory): Handle TDmode.
5648 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5649 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5651 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5653 * reorg.c (dbr_schedule): Use dump_file instead of file.
5655 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5658 * config/ia64/predicates.md (extr_len_operand): New predicate.
5659 * config/ia64/ia64.md (extv): Tighten constraints.
5661 (*tbit_and_2): Ditto.
5662 (*tbit_and_3): Ditto.
5663 (*tbit_or_2): Ditto.
5664 (*tbit_or_3): Ditto.
5668 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5671 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5673 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5675 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5676 loop_optimizer_init and loop_optimizer_finalize
5677 * tree-ssa-sink.c (execute_sink_code): Ditto.
5678 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5679 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5680 tree_ssa_loop_done): Ditto.
5681 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5682 * sched-ebb.c: Include output.h.
5683 (schedule_ebbs): Do not use dump argument.
5684 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5685 * loop.c (loop_dump_stream): Removed.
5686 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5688 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5689 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5690 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5691 loop_iterations, strength_reduce, record_biv, record_giv,
5692 final_giv_value, check_final_value, check_ext_dependent_givs,
5693 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5694 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5695 dump_file instead of loop_dump_stream.
5696 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5698 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5700 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5701 * haifa-sched.c: Include output.h
5702 (schedule_insns, sched_init): Do not use dump argument.
5703 * mode-switching.c (optimize_mode_switching): Ditto.
5704 * modulo-sched.c (stats_file): Removed.
5705 (print_node_sched_params): Do not call argument dump_file.
5706 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5707 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5709 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5711 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5712 rtl_loop_init, rtl_loop_done): Ditto.
5713 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5714 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5716 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5717 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5718 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5719 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5720 * emit-rtl.c (renumber_insns): Ditto.
5721 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5722 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5723 * regclass.c (regclass): Ditto.
5724 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5725 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5726 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5727 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5729 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5730 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5732 * gcse.c (gcse_file, debug_stderr): Removed.
5733 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5734 rest_of_handle_gcse): Do not use dump argument.
5735 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5736 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5737 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5738 compute_code_hoist_vbeinout, compute_code_hoist_data,
5739 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5740 compute_store_table, build_store_vectors, insert_insn_start_bb,
5741 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5742 store_motion): Use dump_file instead of gcse_file.
5743 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5744 * profile.c (profile_dump_file): Removed.
5745 (branch_prob): Use dump_file instead of profile_dump_file.
5746 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5748 * tree-ssa-copy.c (dump_copy_of): Ditto.
5749 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5750 dump file to life_analysis.
5751 * bt-load.c (branch_target_load_optimize): Ditto.
5752 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5754 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5755 regclass, dbr_schedule): Declaration changed.
5756 * sched-int.h (sched_init): Declaration changed.
5757 * tree-profile.c (tree_profile_dump_file): Removed.
5758 (tree_profile_hooks): Removed profile_dump_file hook.
5759 * rtl-profile (rtl_profile_dump_file): Removed.
5760 (rtl_profile_hooks): emoved profile_dump_file hook.
5761 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5763 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5764 * tree-cfg.c (build_tree_cfg): Ditto.
5765 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5766 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5767 Declaration changed.
5768 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5769 life_analysis and schedule_insns.
5770 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5772 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5774 * config/mips/mips.c (mips_reorg): Ditto.
5775 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5778 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5780 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5781 (s390_mangle_fundamental_type): New.
5782 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5785 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5786 (alpha_mangle_fundamental_type): New.
5787 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5790 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5792 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5794 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5795 (sparc_mangle_fundamental_type): New.
5797 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5799 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5800 (s390x-*-linux*): Likewise.
5801 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5802 * config/s390/t-linux: New file.
5804 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5806 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5807 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5809 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5811 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5812 (ANTIC_SAFE_LOADS): New macro.
5813 (find_or_generate_expression): Add prototype.
5814 (set_contains_value): Allow null set for sake of not always having
5815 to allocate ANTIC_SAFE_LOADS.
5816 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5817 Allow COMPONENT_REF too.
5818 (valid_in_set): Allow COMPONENT_REF.
5819 Check ANTIC_SAFE_LOADS too.
5820 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5821 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5823 (can_PRE_operation): Add COMPONENT_REF.
5824 (create_component_ref_by_pieces): New function.
5825 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5826 (insert_aux): Move AGGREGATE_TYPE_P check here.
5827 (compute_avail): Set bb local stmt uids.
5828 (pass_pre): Use TODO_update_ssa_only_virtuals.
5830 2006-02-06 Ben Elliston <bje@au.ibm.com>
5832 * configure.ac: Unconditionally disable decimal float by default.
5833 * configure: Regenerate.
5835 2006-02-06 Ben Elliston <bje@au.ibm.com>
5837 * read-rtl.c (read_name): Terminate reading on EOF.
5839 2006-02-06 Ben Elliston <bje@au.ibm.com>
5841 * dfp.c (decimal_real_arithmetic): Change second argument type
5842 from int to enum tree_code. Do not always return true, but now
5843 return result of any call to decimal_do helper functions.
5844 * dfp.h (decimal_real_arithmetic): Update prototype.
5846 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5848 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5850 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5853 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5856 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5858 * tree-vrp.c (cfg_loops): Removed.
5859 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5860 Use current_loops instead of cfg_loops. Pass flags to
5861 loop_optimizer_init.
5862 * cfgloopmanip.c (fix_loop_structure): Update only available
5864 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5865 loop_optimizer_init.
5866 * modulo-sched.c (build_loops_structure): Removed.
5867 (sms_schedule): Use loop_optimizer_init.
5868 * loop-init.c (loop_optimizer_init): Use flags to determine
5869 which properties of loops to prepare.
5870 (rtl_loop_init): Pass flags to loop_optimizer_init.
5871 * tree-ssa-sink.c (execute_sink_code): Ditto.
5872 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5873 * tree-ssa-pre.c (init_pre): Ditto.
5874 * cfgloop.h (LOOPS_NORMAL): New.
5875 (loop_optimizer_init): Declaration changed.
5877 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5879 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5880 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5882 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5884 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5886 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5887 * pa/t-pa64: Delete quadlib.c rule.
5888 * pa/x-ada: Revert last change.
5889 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5891 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5893 PR rtl-optimization/26087
5894 * rtlanal.c (canonicalize_condition): Do not cross basic block
5897 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5900 * config/ia64/ia64.c: Include debug.h.
5901 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5902 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5903 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5904 (process_epilogue, process_set, process_for_unwind_directive):
5905 Output unwind info only if requested. Add CFA info if requested.
5906 Add new arguments as needed. Adjust callers.
5907 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5909 (DWARF2_FRAME_INFO): Define to zero.
5910 * config/ia64/unwind-ia64.c: Remove code that compensated for
5911 the CFA offset error fixed above.
5912 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5913 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5914 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5915 -funwind-tables and -fexceptions to enable frame info.
5916 (dwarf2out_frame_init): Define initial CFA even if
5917 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5918 DWARF2_UNWIND_INFO is nonzero, not just defined.
5919 (dwarf2out_frame_finish): Output non-EH call frame info only
5920 if DWARF2_FRAME_INFO is nonzero.
5921 (convert_cfa_to_loc_list,
5922 compute_frame_pointer_to_cfa_displacement): Define even if
5923 unwind info is not supported.
5924 (gen_subprogram_die): Use the above unconditionally. Remove
5925 legacy alternate code.
5926 * toplev.c (compile_file): Compile in call to
5927 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5928 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5930 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5931 Jakub Jelinek <jakub@redhat.com>
5933 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5934 IBM extended float format long double as "g" on powerpc*-linux.
5936 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5939 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5940 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5942 2006-02-03 Jason Merrill <jason@redhat.com>
5945 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5948 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5949 on the return slot if it's an NRV.
5951 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5953 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5954 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5955 rewrite_use): Do not handle USE_OUTER.
5956 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5957 add_iv_outer_candidates, may_replace_final_value,
5958 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5959 (find_interesting_uses_op): Functionality of
5960 find_interesting_uses_outer_or_nonlin moved here.
5961 (find_interesting_uses_outside): Use find_interesting_uses_op.
5963 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5966 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5968 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5969 Ulrich Weigand <uweigand@de.ibm.com>
5972 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5973 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5974 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5975 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5977 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5978 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5979 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5980 Define secondary reloads for TFmode moves.
5981 (constant_modes): Add TFmode.
5982 (NR_C_MODES): Set to 8.
5983 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5985 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5986 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5987 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5988 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5989 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5990 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5991 (FPR mode macro): Add TFmode.
5992 (DSF mode macro): New.
5993 (<de>, <dee> mode attributes): Removed.
5994 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5995 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5996 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5997 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5998 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5999 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6000 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6001 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6002 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6003 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6004 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6005 "*negabs<mode>2", "sqrt<mode>2"):
6006 Changed <de> to <xde>. R constraint replaced by <Rf>.
6007 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6009 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6010 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6011 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6013 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6014 "extenddftf2", "extendsftf2"): New expanders.
6015 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6016 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6017 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6018 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6020 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6021 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6022 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6023 __floatditf): Add a GCC_4.1.0 symbol version tag.
6024 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6027 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6030 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6031 Use targetm.binds_local_p instead of TREE_PUBLIC.
6033 2006-02-02 Roger Sayle <roger@eyesopen.com>
6035 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6036 on INTEGER_TYPEs to indicate that it denotes a character type.
6037 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6038 signed_char_type_node, unsigned_char_type_node and char_type_node.
6039 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6040 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6041 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6043 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6044 Daniel Berlin <dberlin@dberlin.org>
6046 * tree-tailcall.c (arg_needs_copy_p): New function.
6047 (eliminate_tail_call): Use arg_needs_copy_p.
6048 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6049 (add_virtual_phis): New function.
6051 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6053 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6054 #ignore instead of #scratch for %g7 .register directive.
6056 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6058 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6061 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6063 * flow.c (calculate_global_regs_live): Assert that there aren't any
6066 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6068 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6070 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6071 bsi_after_labels iterator.
6072 * tree-if-conv.c (find_phi_replacement_condition,
6073 replace_phi_with_cond_modify_expr): Likewise.
6074 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6075 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6077 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6079 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6081 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6084 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6085 array after growing it.
6087 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6090 * fold-const.c (fold_checksum_tree): Change type of buf.
6092 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6094 * reload.c (push_secondary_reload): Initialize t_icode.
6096 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6098 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6099 -msoft-float -mlong-double-128 only issue a warning, but don't
6100 swich to DFmode long double.
6102 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6104 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6105 has a constant equivalent, iterate over equivalents for arg0,
6106 calling simplify_relational_operation and if there's a result
6107 cheaper than X, apply fold_rtx and return the result.
6109 2006-02-01 Jan Hubicka <jh@suse.cz>
6111 * opts.c (no_unit_at_a_time_default): New global variable.
6112 (decode_options): Use it.
6113 * opts.h (no_unit_at_a_time_default): Declare.
6115 2006-02-01 Paul Brook <paul@codesourcery.com>
6117 * function.c (assign_parm_setup_reg): Use function argument promotion
6119 * expr.c (expand_expr_real_1): Use function argument promotion rules
6122 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6124 * gcc.c (process_command): Change j to 'unsigned int'.
6126 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6129 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6130 Use the corrected index for the character
6131 out of the string constant.
6133 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6135 * mode-switching.c (optimize_mode_switching): Fix size
6136 allocated for bb_info[n_entities].
6138 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6140 * gcc.c (main): Correct type that is allocated for
6141 explicit_link_files.
6143 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6145 * config/s390/s390.c (init_alignment_context): Set
6146 ALIAS_SET_MEMORY_BARRIER on the MEM.
6147 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6149 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6152 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6154 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6157 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6159 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6160 * regrename.c: Ditto.
6161 * tree-ssa-loop-im.c: Ditto.
6162 * tree-dump.c: Ditto.
6163 * tree-complex.c: Ditto.
6164 * genrecog.c: Ditto.
6165 * tree-ssa-threadupdate.c: Ditto.
6167 * java/class.c: Ditto.
6168 * java/jcf-parse.c: Ditto.
6169 * java/resource.c: Ditto.
6170 * java/except.c: Ditto.
6171 * java/jvspec.c: Ditto.
6172 * java/jcf-write.c: Ditto.
6173 * java/jcf-path.c: Ditto.
6174 * java/gjavah.c: Ditto.
6175 * java/zextract.c: Ditto.
6176 * java/jcf-io.c: Ditto.
6177 * java/jcf.h: Ditto.
6178 * java/buffer.c: Ditto.
6179 * java/lang.c: Ditto.
6180 * java/parse-scan.y: Ditto.
6181 * java/lex.c: Ditto.
6182 * java/lex.h: Ditto.
6183 * cfgloopmanip.c: Ditto.
6184 * postreload-gcse.c: Ditto.
6185 * tree-ssa-loop-manip.c: Ditto.
6186 * postreload.c: Ditto.
6187 * tree-ssa-loop-ch.c: Ditto.
6191 * diagnostic.c: Ditto.
6193 * genoutput.c: Ditto.
6195 * cfghooks.c: Ditto.
6196 * cfgloopanal.c: Ditto.
6197 * objc/objc-act.c: Ditto.
6199 * genextract.c: Ditto.
6200 * genautomata.c: Ditto.
6201 * pretty-print.c: Ditto.
6203 * cgraphunit.c: Ditto.
6206 * haifa-sched.c: Ditto.
6207 * dominance.c: Ditto.
6209 * tree-ssa-loop-ivopts.c: Ditto.
6211 * mode-switching.c: Ditto.
6212 * modulo-sched.c: Ditto.
6214 * ipa-pure-const.c: Ditto.
6216 * fix-header.c: Ditto.
6218 * tree-stdarg.c: Ditto.
6219 * ipa-utils.c: Ditto.
6220 * loop-init.c: Ditto.
6221 * ipa-inline.c: Ditto.
6224 * alloc-pool.c: Ditto.
6225 * dwarf2out.c: Ditto.
6227 * genattrtab.c: Ditto.
6228 * tree-ssa-loop-ivcanon.c: Ditto.
6232 * fortran/gfortranspec.c: Ditto.
6234 * local-alloc.c: Ditto.
6235 * langhooks.c: Ditto.
6236 * function.c: Ditto.
6237 * tree-vectorizer.c: Ditto.
6239 * ipa-type-escape.c: Ditto.
6241 * tree-if-conv.c: Ditto.
6244 * tree-data-ref.c: Ditto.
6245 * loop-unroll.c: Ditto.
6246 * treelang/treetree.c: Ditto.
6249 * ggc-common.c: Ditto.
6251 * coverage.c: Ditto.
6253 * tree-cfgcleanup.c: Ditto.
6254 * tree-ssa-pre.c: Ditto.
6255 * cfgcleanup.c: Ditto.
6256 * loop-invariant.c: Ditto.
6258 * ipa-prop.c: Ditto.
6259 * print-tree.c: Ditto.
6260 * conflict.c: Ditto.
6261 * ggc-page.c: Ditto.
6262 * sched-deps.c: Ditto.
6263 * regclass.c: Ditto.
6264 * tree-object-size.c: Ditto.
6266 * bb-reorder.c: Ditto.
6267 * resource.c: Ditto.
6268 * var-tracking.c: Ditto.
6270 * df-problems.c: Ditto.
6271 * reg-stack.c: Ditto.
6274 * sched-rgn.c: Ditto.
6275 * tree-ssa-structalias.c: Ditto.
6276 * tree-ssa-reassoc.c: Ditto.
6277 * config/darwin-c.c: Ditto.
6278 * config/darwin.c: Ditto.
6279 * config/arm/arm.c: Ditto.
6281 * collect2.c: Ditto.
6284 2006-01-31 Nicolas Pitre <nico@cam.org>
6286 * arm.md (smaxsi3): Make aware of smax_m1.
6289 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6291 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6293 2006-01-31 Richard Guenther <rguenther@suse.de>
6295 * doc/invoke.texi (-msselibm): Document.
6296 * target.h (expand_library_builtin): New target hook.
6297 * builtins.c (expand_builtin): Use expand_library_builtin.
6298 (default_expand_library_builtin): New function.
6299 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6300 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6301 (link_gcc_math_spec): Declare.
6302 (static_specs): Add link_gcc_math_spec.
6303 * expr.h (default_expand_library_builtin): Declare.
6304 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6305 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6306 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6307 * config/i386/i386.opt (msselibm): New target option.
6308 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6309 (ix86_init_sse_abi_builtins): New function.
6310 (ix86_expand_library_builtin): Likewise.
6311 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6312 (override_options): Handle error conditions wrt -msselibm.
6313 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6314 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6315 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6318 2006-01-31 Richard Guenther <rguenther@suse.de>
6319 Paolo Bonzini <bonzini@gnu.org>
6321 * doc/install.texi (--disable-libgcc-math): Document.
6323 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6325 * expr.h (expand_normal): new inline function.
6326 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6328 * dwarf2out.c: use it.
6333 * config/sparc/sparc.c: use it.
6334 * config/i386/i386.c: use it.
6335 * config/rs6000/rs6000.c: use it.
6336 * config/arm/arm.c: use it.
6337 * config/mips/mips.c: use it.
6338 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6340 2006-01-30 Roger Sayle <roger@eyesopen.com>
6342 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6343 argv to the appropriate type.
6345 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6347 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6350 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6353 * config/s390/s390.c (struct machine_function): New flag
6354 decomposed_literal_pool_addresses_ok_p.
6355 (s390_reorg): Set it before final stage of literal pool transforms.
6356 (s390_decompose_address): Only accept displacements of the form
6357 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6359 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6361 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6362 the comparison routine return.
6364 2006-01-30 Michael Matz <matz@suse.de>
6366 * global.c (find_reg): Only evict for global regs.
6367 Take n_refs into account and dump more info.
6369 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6372 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6373 (pragma_trap, pragma_nosave_low_regs): Likewise.
6374 (current_function_anonymous_args): Likewise.
6375 (sh_deferred_function_attributes): New variable.
6376 (sh_deferred_function_attributes_tail): Likewise.
6377 (print_operand): For '@', look up trap_exit attribute.
6378 (calc_live_regs): Look up trapa_handler attribute. For trapa
6379 handlers, save/restore fpscr, but don't do any other
6380 interrupt-specific saves.
6381 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6382 Fix check for partially saved registers to check for SHmedia.
6383 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6384 (sh_output_function_epilogue): Don't clear any of the removed
6386 (sh_insert_attributes): Don't check pragma_interrupt.
6387 Insert deferred attributes. Check that interrupt attribute is
6388 present for other attributes that require its presence.
6389 (sh_attribute_table): Add new attributes trapa_handler and
6391 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6392 Don't check for pragma_interrupt. Don't store argument.
6393 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6394 (sh_deferred_function_attributes): Declare.
6395 (sh_deferred_function_attributes_tail): Likewise.
6396 * sh.md (sp_switch_1): Add operand. Change generator caller.
6397 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6398 (*return_i): Don't use when trap_exit attribute is in effect.
6399 (*return_trapa): New insn pattern.
6401 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6402 setting c_target_objs and cxx_target_objs.
6403 * t-sh: Add rule for sh-c.o.
6405 2006-01-30 Richard Guenther <rguenther@suse.de>
6408 * gimplify.c (gimplify_target_expr): Handle easy cases
6409 without creating a temporary.
6411 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6413 * vec.h (safe_grow): Remove duplicated line.
6415 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6418 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6419 (expand_omp): ... here.
6420 (expand_omp_parallel): Only remove barriers for combined
6421 parallel+workshare constructs.
6423 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6427 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6428 * tree.c (build_qualified_type): Chain the new type to the original
6429 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6430 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6431 (build_pointer_type_for_mode): Only return unqualified types.
6432 (build_reference_type_for_mode): Likewise.
6434 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6436 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6437 * Makefile.in (CXX_COMPAT_WARN): Define.
6438 * configure: Regenerate.
6440 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6443 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6446 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6448 * toplev.c: Fix thinko.
6450 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6451 Marcin Dalecki <martin@dalecki.de>
6453 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6454 (push_srcloc): Use XNEW.
6455 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6457 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6459 * df-core.c (df_set_blocks): Deleted all variable.
6461 2006-01-28 Ian Lance Taylor <ian@airs.com>
6463 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6464 cgraph_output_pending_asms.
6466 2006-01-28 Zack Weinberg <zackw@panix.com>
6468 * c.opt: Add -W(no-)overlength-strings.
6469 * doc/invoke.texi: Document it.
6470 * c-opts.c (c_common_handle_option): -pedantic implies
6471 -Woverlength-strings, if not explicitly disabled already.
6472 (c_common_post_options): -Woverlength-strings defaults to off, and
6473 is always off for C++.
6474 * c-common.c (fix_string_type): Issue warning about strings longer
6475 than is portable only if warn_overlength_strings. Rearrange code
6476 a little for clarity.
6477 * configure.in: Check for -Wno-overlength-strings as well before
6478 enabling -pedantic in stage 1.
6479 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6480 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6482 * genconditions.c (write_header, write_one_condition)
6483 (write_conditions, write_writer): Consolidate very long strings
6484 that were broken up to fit in C89 portable limit. Don't use
6485 printf when fputs will do.
6487 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6489 * combine.c (simplify_comparison <AND>): Check
6490 TRULY_NOOP_TRUNCATION before start using a subreg.
6492 * config/mips/mips.md (*branch_zero<mode>,
6493 *branch_zero<mode>_inverted, *branch_equality<mode>,
6494 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6495 Remove mode check from comparisons.
6497 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6499 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6501 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6503 * expmed.c (const_mult_add_overflow_p): Remove.
6504 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6506 * recog.c (validate_replace_rtx_subexp): Remove.
6507 * recog.h: Remove the prototype for
6508 validate_replace_rtx_subexp.
6510 * integrate.h: Remove the prototype for
6511 copy_decl_for_inlining.
6512 * rtl.h: Remove the prototype for mark_constant_function.
6513 * tree-vectorizer.h: Remove the prototype for
6514 vect_strip_conversion.
6516 * modulo-sched.c (create_partial_schedule,
6517 free_partial_schedule, reset_partial_schedule): Make them
6520 * hooks.c (hook_bool_rtx_int_false): Remove.
6521 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6523 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6525 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6526 and -mlong-double-128 are incompatible.
6527 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6528 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6529 (TARGET_LIBGCC2_CFLAGS): Define.
6530 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6531 (TARGET_LIBGCC2_CFLAGS): Same.
6532 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6534 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6537 * c-typeck.c (build_binary_op): Perform implicit casts of
6538 operands before shortening them.
6540 * cfgloopmanip.c (split_loop_bb): Remove.
6541 * cfgloop.h: Remove the prototype for split_loop_bb.
6543 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6544 * cfgloop.h: Remove the prototype for
6545 flow_loop_outside_edge_p.
6547 * emit-rtl.c (init_virtual_regs): Make it static.
6548 * function.h: Remove the prototype for init_virtual_regs.
6550 * recog.c (peephole2_optimize): Make it static.
6551 * recog.h: Remove the prototype for peephole2_optimize.
6553 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6555 * df-scan.c (df_record_entry_block_defs): Check if
6556 INCOMING_RETURN_ADDR_RTX is defined.
6558 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6559 Kenneth Zadeck <zadeck@naturalbridge.com>
6561 PR rtl-optimization/24762
6562 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6563 * targhooks.c (hook_void_bitmap): New hook prototype.
6564 * targhoohs.h (hook_void_bitmap): Ditto.
6565 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6566 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6567 * target.h (live_on_entry): New function pointer.
6568 * df-scan.c (df_all_hard_regs): Removed.
6569 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6570 (df_scan_free_internal): Added df->entry_block_defs.
6571 (df_scan_alloc): Ditto.
6572 (df_scan_dump): Ditto.
6573 (df_uses_record): Plumbed flag field properly thru calls.
6574 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6575 This part fixes PR24762.
6576 (df_bb_refs_record): Added code to make the frame and arg
6577 pointers live in EH blocks.
6578 (df_refs_record): Added call to df_record_entry_block_defs.
6579 (df_record_entry_block_defs): New function.
6580 * df-core.c: Added comments to describe new artifical defs.
6581 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6582 (entry_block_defs): New field in struct df.
6583 (df_all_hard_regs): Deleted.
6584 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6585 * df-problems.c (df_ru_bb_local_compute_process_def):
6586 Added code to handle artifical defs in the entry to a function.
6587 (df_ru_bb_local_compute): Ditto.
6588 (df_rd_bb_local_compute_process_def): Ditto.
6589 (df_rd_bb_local_compute): Ditto.
6590 (df_lr_bb_local_compute): Ditto.
6591 (df_ur_bb_local_compute): Ditto.
6592 (df_urec_bb_local_compute): Ditto.
6593 (df_chain_create_bb): Ditto.
6594 (df_ur_local_finalize): Removed entry.
6595 (df_urec_init): Ditto.
6596 (df_urec_local_finalize): Ditto.
6597 (df_ri_bb_compute): Added detection of last use of pseudos.
6598 * Makefile.in (df-scan.o): Updated dependencies.
6599 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6600 * config/mips/mips.c (mips_set_live_on_entry): Added.
6601 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6603 * dce.c (marked_insn_p): Added code to handle artifical defs.
6605 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6607 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6609 (_mm_cvtsi128_si64): Likewise.
6610 (_mm_cvtsd_si64): Likewise.
6611 (_mm_cvttsd_si64): Likewise.
6612 (_mm_cvtsi64_sd): Likewise.
6613 (_mm_cvtsi64_si128): Likewise.
6614 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6615 (_mm_cvtsi64_m64): Likewise.
6616 (_m_to_int64): Likewise.
6617 (_mm_cvtm64_si64): Likewise.
6618 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6619 (_mm_cvttss_si64): Likewise.
6620 (_mm_cvtsi64_ss): Likewise.
6621 (_mm_cvtss_f32): Likewise.
6623 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6625 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6626 for pragma redefine_extname.
6628 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6631 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6632 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6633 -mno-minimal-toc to previous content.
6634 (bispecs): Remove goal.
6635 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6636 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6637 compatibility aliases on powerpc-*-*gnu*.
6638 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6639 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6640 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6641 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6642 (ldblspecs): New goal.
6643 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6644 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6646 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6647 L_sf_to_tf or L_df_to_tf is defined.
6649 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6650 Alan Modra <amodra@bigpond.net.au>
6653 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6654 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6655 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6656 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6657 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6658 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6659 (rs6000_override_options): Initialize rs6000_ieeequad.
6660 Initialize TFmode format to ibm_extended_format if not
6662 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6664 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6665 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6666 (function_arg_advance): IBM long double passed in two FPRs, not
6668 (function_arg): IBM long double passed in FPRs.
6669 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6670 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6671 Only multireg GPR aligned.
6672 (rs6000_init_libfuncs): Enable IBM long double functions if not
6674 (rs6000_generate_compare): Use IBM long double compare if not
6676 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6677 (TARGET_IEEEQUAD): Define.
6678 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6679 not TARGET_IEEEQUAD.
6680 * config/rs6000/rs6000.md: Enable TFmode patterns if
6682 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6683 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6684 and -mlong-double-128 are incompatible.
6685 * doc/invoke.texi (-mabi): Collect options together. Add
6686 ibmlongdouble and ieeelongdouble.
6688 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6690 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6692 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6693 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6694 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6695 * rtl.h (rtunion_def): Remove rt_ptr.
6697 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6698 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6699 * config/i386/winnt.c (i386_pe_mark_dllexport)
6700 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6702 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6704 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6706 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6710 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6711 pthread_key_delete. From John David Anglin. gthrw-ify
6712 pthread_getunique_np only if it it's not a macro. Delete
6714 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6715 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6716 __gthread_objc_condition_signal, __gthread_key_delete): Add
6717 "__attribute__ ((__unused__))" to unused arguments.
6718 (__gthread_recursive_mutex_init_function): Add missing return.
6719 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6720 gthr-posix95.h: Use macro-based approach for name redirection
6721 on targets missing weakref.
6723 2006-01-26 Zack Weinberg <zackw@panix.com>
6725 * genconditions.c (write_header): In generated code, #ifdef out
6726 all includes and fake declarations, except includes of bconfig.h
6727 and system.h, unless GCC_VERSION >= 3001. Do not include
6728 gensupport.h in any case.
6729 (write_conditions): Generate a definition of struct c_test. Add
6730 a comment to the generated #endif.
6731 (write_one_condition): Escape backslashes in string too.
6732 (write_writer): Generated code must escape backslashes and quote
6733 marks (but not newlines) in the strings it writes.
6734 * Makefile.in (build/gencondmd.o): Update dependencies.
6736 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6739 * Makefile.in (insn-automata.o): Add header file dependencies.
6740 * genautomata.c: Add includes.
6742 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6745 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6747 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6749 * configure.ac: Expect target tools paths to be passed from the toplevel
6750 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6752 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6754 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6757 * c.opt (Wpointer-sign): Init to -1.
6758 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6759 OPT_pedantic, to 0 otherwise.
6760 * doc/invoke.texi: Update.
6762 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6764 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6765 constants provided by 80387 instructions in the destination mode.
6767 2006-01-26 Richard Guenther <rguenther@suse.de>
6768 Andrew Pinski <pinskia@physics.uc.edu>
6771 partial PR tree-opt/17064
6772 * tree-ssa-structalias.c (intra_create_variable_infos):
6773 Create heap variables for incoming parameters if
6774 flag_argument_noalias > 1.
6775 (find_what_p_points_to): Look through default defs of
6778 2006-01-26 Jeff Law <law@redhat.com>
6781 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6782 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6783 within the VR_RANGE, use the VR_RANGE as the result, not the
6785 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6786 bounds for the type.
6788 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6790 * tree-ssa-alias.c (maybe_create_global_var): Change
6791 subvar walking to an assertion that we don't have subvar'd variables.
6793 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6796 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6797 Use a new variable, inner. PARM_DECLs are always non-weak.
6799 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6801 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6804 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6806 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6808 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6810 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6811 (smax_insn, smin_insn, smax_0, smin_0): New.
6813 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6816 * config/cris/cris.c (cris_order_for_addsi3): New function.
6817 * config/cris/cris-protos.h: Prototype it.
6818 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6819 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6820 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6821 (split for "op.S1 [rx=rx+i],ry (swapped)")
6822 (split for "op(s|u).S1 [rx=rx+i],ry")
6823 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6824 Apply cris_order_for_addsi3 when generating addsi3 insns.
6826 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6828 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6829 (TREE_BLOCK): Add call to EXPR_CHECK.
6831 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6834 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6835 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6836 (dump_omp_clauses): ... here.
6837 (dump_generic_node): Handle OMP_CLAUSE.
6838 * tree.c (omp_clause_num_ops): New.
6839 (omp_clause_code_name): New.
6840 (tree_code_size): Handle OMP_CLAUSE.
6841 (tree_size): Likewise.
6842 (make_node): Document handling of OMP_CLAUSE.
6843 (tree_node_structure): Handle OMP_CLAUSE.
6844 (omp_clause_check_failed): New.
6845 (omp_clause_range_check_failed): New.
6846 (omp_clause_operand_check_failed): New.
6847 (build_omp_clause): New.
6848 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6849 * tree.h (enum omp_clause_code): Declare.
6850 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6851 (OMP_CLAUSE_RANGE_CHECK): Define.
6852 (OMP_CLAUSE_ELT_CHECK): Define.
6853 (omp_clause_check_failed): Declare.
6854 (omp_clause_operand_check_failed): Declare.
6855 (omp_clause_range_check_failed): Declare.
6856 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6857 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6858 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6859 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6860 (OMP_CLAUSE_IF_EXPR): Likewise.
6861 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6862 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6863 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6864 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6865 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6866 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6867 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6868 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6869 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6870 (OMP_CLAUSE_CODE): Define.
6871 (OMP_CLAUSE_SET_CODE): Define.
6872 (OMP_CLAUSE_CODE): Define.
6873 (OMP_CLAUSE_OPERAND): Define.
6874 (struct tree_omp_clause): Declare.
6875 (union tree_node): Add field 'omp_clause'.
6876 * treestruct.def (TS_OMP_CLAUSE): Define.
6877 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6878 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6879 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6880 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6881 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6882 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6883 (OMP_CLAUSE): Define.
6884 * print-tree.c (print_node): Handle OMP_CLAUSE.
6885 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6886 * c-typeck.c: Likewise.
6887 * gimplify.c: Likewise.
6888 * c-omp.c: Likewise.
6889 * tree-nested.c: Likewise.
6890 * tree-inline.c: Likewise.
6891 * c-parser.c: Likewise.
6892 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6895 2006-01-25 Roger Sayle <roger@eyesopen.com>
6897 PR rtl-optimization/25703
6898 * combine.c (try_combine): Handle zero_extract and strict_low_part
6899 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6901 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6903 * global.c: Fix comment typos.
6905 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6908 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6909 Use output_addr_const instead of assemble_name.
6911 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6913 * Makefile.in (sched-vis.o): Update dependencies.
6914 * haifa-sched.c (sched_finish): Clear current_sched_info.
6915 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6916 (dump_flow_info): Call it.
6917 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6919 * basic-block.h (dump_bb_info): Declare.
6920 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6921 option, and apply options only for dump files whose TDF_RTL,
6922 TDF_TREE, or TDF_IPA bits match.
6923 * rtl.h: Declare new functions exported from sched-vis.c.
6924 * sched-vis.c: Enable also if scheduling is not used.
6925 (print_value): Print the mode of registers if not inside scheduling.
6926 (print_insn): Make it work outside the scheduler. Beautify the output
6928 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6930 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6932 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6933 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6934 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6935 depending on the value of CONSTANT_POOL_ADDRESS_P.
6936 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6938 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6939 rather than SYMBOL_REF_DECL.
6940 (rtx_constant_pool): Remove const_rtx_sym_htab.
6941 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6942 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6943 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6944 Remove handling of const_rtx_sym_htab.
6945 (find_pool_constant): Delete.
6946 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6947 rather than find_pool_constant.
6948 (get_pool_constant_for_function): Delete.
6949 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6951 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6952 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6953 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6954 (SYMBOL_REF_CONSTANT): New macro.
6955 (get_pool_constant_for_function): Delete.
6956 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6957 rather than SYMBOL_REF_DECL.
6958 (i386_pe_mark_dllimport): Likewise.
6959 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6960 rather than SYMBOL_REF_DECL.
6961 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6962 (machopic_indirect_call_target): Likewise.
6964 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6966 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6968 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6970 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6972 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6974 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6976 2006-01-24 David Daney <ddaney@avtrex.com>
6979 * configure.ac (enable_tls): New enable option.
6980 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6981 * configure: Regenerate.
6982 * doc/install.texi (--enable-tls): Document new option.
6983 (--disable-tls): Ditto.
6985 2006-01-24 Richard Henderson <rth@redehat.com>
6987 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6988 * alias.c (true_dependence): Respect it.
6989 (canon_true_dependence, write_dependence_p): Likewise.
6990 * builtins.c (get_builtin_sync_mem): Set it.
6992 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6994 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6997 2006-01-24 DJ Delorie <dj@redhat.com>
6999 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7000 for storing constants in single-bit bitfields.
7002 2006-01-25 Ben Elliston <bje@au.ibm.com>
7004 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7006 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7009 * tree-ssa-pre.c (phi_translate): Return NULL
7010 for AGGREGATE_TYPE's.
7012 2006-01-24 Zack Weinberg <zackw@panix.com>
7014 * genautomata.c (process_state_for_insn_equiv_partition):
7015 Use xcalloc for insn_arcs_array.
7016 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7017 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7019 2006-01-24 Richard Henderson <rth@redhat.com>
7021 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7024 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7026 PR rtl-optimization/25890
7027 PR rtl-optimization/25905
7028 * combine.c (expand_compound_operation, expand_field_assignment):
7029 Fail if the bitfield's final position is out of bounds.
7031 2006-01-24 Ian Lance Taylor <ian@airs.com>
7034 * cgraphunit.c (cgraph_output_in_order): Don't clear
7035 cgraph_asm_nodes until after asm strings have been output.
7037 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7039 * fix-header.c (read_scan_file): Add new parameter imultilib when
7040 calling register_include_chains.
7042 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7044 * omp-low.c: Update documentation.
7046 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7047 Daniel Berlin <dberlin@dberlin.org>
7051 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7052 return from the function.
7054 2006-01-22 Zack Weinberg <zackw@panix.com>
7056 * rtl.def (match_code): Add second argument.
7057 * genpreds.c (write_extract_subexp): New function.
7058 (write_match_code): Add path argument. Use write_extract_subexp.
7059 (write_predicate_expr): Pass path to write_match_code.
7060 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7061 not perform a mode test.
7062 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7063 a subexpression does not constrain the top-level code set.
7064 * read-rtl.c (read_rtx_variadic): New function.
7065 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7066 * doc/md.texi: Document new notation.
7067 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7068 (cmpsi_operand): ... here, using new notation.
7070 2006-01-22 Zack Weinberg <zackw@panix.com>
7072 * varray.c: Remove GENERATOR_FILE #ifdefs.
7074 2006-01-22 Zack Weinberg <zackw@panix.com>
7076 * genautomata.c (output_reserved_units_table): Emit nothing if
7077 description->query_units_num is zero. Remove extra blank line.
7078 (output_cpu_unit_reservation_p): Short circuit
7079 if description->query_units_num is zero.
7081 2006-01-22 Zack Weinberg <zackw@panix.com>
7083 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7084 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7085 nor any of the random handful of variables that used to be necessary
7086 when this program was linked with rtlanal.o. Prune set of forward
7087 function declarations.
7088 (struct attr_desc): Remove static_p field.
7089 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7090 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7091 (attr_string): Do not read the character one past the length of
7093 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7094 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7095 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7096 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7097 (make_automaton_attrs): New.
7098 (main): Do not call into genautomata. Call local gen_bypass
7099 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7100 Remove special case for insn_alts.
7101 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7102 varray.h (leftover from previous change). Prune set of forward
7103 function declarations. Remove state_alts fields from all
7104 structures. Remove state_alts_table from struct automaton.
7105 Make everything except main static. Do not maintain num_dfa_decls.
7106 Do not maintain state_alts fields of various structures.
7107 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7108 (add_arc): Remove state_alts argument. All callers updated.
7109 (output_reserved_units_table): Emit #ifdef here...
7110 (output_tables): ...not here. Don't generate state_alts tables.
7111 (expand_automata): Don't generate attributes.
7112 (write_automata): Don't generate state_alts functions.
7113 (main): New function.
7114 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7115 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7116 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7117 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7118 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7119 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7120 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7121 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7123 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7124 * genattrtab.h: Delete file.
7125 * Makefile.in (OBJS-common): Add insn-automata.o.
7126 (insn-automata.o): New rule.
7127 (simple_generated_c): Add insn-automata.c.
7128 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7129 (genprogmd): Add automata.
7130 (build/genattrtab): Needs no extra objects nor libraries.
7131 (build/genautomata): Needs build/vec.o and -lm.
7133 2006-01-22 Zack Weinberg <zackw@panix.com>
7135 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7136 (output_dfa_max_issue_rate, locked_states_num): Delete.
7137 (struct automaton): Add locked_states field.
7138 (output_dead_lock_vect): Save number of locked states in
7139 automaton->locked_states. If it is zero, don't print anything.
7140 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7141 (output_internal_dead_lock_func): Only test the dead_lock_vect
7142 for automata that have locked states.
7143 (output_statistics): Always print the number of locked states for
7144 each automaton. Calculate total number of locked states here.
7145 (write_automata): Don't call output_dfa_max_issue_rate.
7146 * genattrtab.c: Define length_unit_log as a const variable.
7147 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7148 max_insn_queue_index const.
7149 * final.c (length_unit_log): Declare const.
7150 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7152 2006-01-22 Zack Weinberg <zackw@panix.com>
7154 * genautomata.c: Include vec.h, not varray.h.
7155 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7156 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7157 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7158 VEC_* macros operating on appropriately typed vectors, or to
7159 malloced arrays when the size is known in advance. Const-ify
7160 many char* variables and function arguments. No functional changes.
7161 * Makefile.in (build/varray.o): Delete rule.
7162 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7163 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7165 2006-01-22 Zack Weinberg <zackw@panix.com>
7167 * gensupport.c: Define get_insn_name and record_insn_name here.
7168 (read_md_rtx): Call record_insn_name as appropriate.
7169 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7170 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7171 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7173 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7174 (BUILD_VARRAY): Delete.
7175 (genprognormal): Rename genprogmd. Fold in all programs from
7176 genprognoprint; also attrtab.
7177 (build/genattrtab): Just mention genautomata.o and varray.o.
7178 Reorganize a bit, add comments to make the categories clearer.
7180 2006-01-22 Zack Weinberg <zackw@panix.com>
7182 * genconditions.c (condition_table, add_condition): Delete.
7183 (write_conditions): Don't emit n_insn_conditions nor
7184 insn_elision_unavailable. Issue the gcc version #ifdef here,
7185 inside the table, with no #else clause ...
7186 (write_header): ...not here.
7187 (write_writer): New function.
7188 (main): Don't initialize condition_table. Use add_c_test.
7190 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7191 files on the command line.
7192 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7193 Return -1 if there is no entry in the table, don't abort.
7194 (add_c_test, traverse_c_tests): New functions.
7195 * gensupport.h (insn_elision_unavailable, insn_conditions)
7196 (n_insn_conditions): Delete declarations.
7197 (add_c_test, traverse_c_tests): Declare.
7198 * read-rtl.c: Include gensupport.h.
7199 (read_conditions): New function.
7200 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7201 (read_rtx_1): If we get EOF when we were looking for an initial
7202 open paren, return 0. Call read_conditions when appropriate.
7203 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7204 dummy-conditions.o. Eliminate references to insn-conditions.o,
7205 or change them to build/gencondmd.o, as appropriate. Remove
7206 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7207 from $(simple_generated_c). For all files remaining in those
7208 two lists, add insn-conditions.md to the generator command line.
7209 Give insn-constants.h/s-constants their own rules. Add rules
7210 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7211 (build/read-rtl.o): Depend on gensupport.h.
7212 (genprognormal): Include preds.
7213 (genprogearly): Rename genprognoprint; only difference is now that
7214 they don't link with $(BUILD_PRINT).
7215 * dummy-conditions.c: Delete.
7217 2006-01-22 Zack Weinberg <zackw@panix.com>
7219 * genextract.c: Don't include insn-config.h. Do include vec.h.
7220 Declare vectors of int, char, and locstr.
7221 (locstr): New typedef.
7222 (struct extraction): Make all array fields into bare pointers.
7223 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7224 (insn_code_number): Delete.
7225 (accum_extract): New struct.
7226 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7227 (gen_insn): Take insn_code_number as an argument. Use an
7228 accum_extract structure instead of loading data directly into
7229 a struct extraction, and having to know how big it might get.
7230 (walk_rtx): Operate entirely on an accum_extract structure.
7231 (print_path): Avoid unnecessary use of printf.
7232 (print_header): New function, split out of main. Distinguish
7233 more carefully between an unrecognizable insn and an insn that
7234 has the code number of a define_expand.
7235 (main): Pass insn_code_number to gen_insn. Call print_header
7236 only after parsing. Avoid unnecessary use of printf.
7237 * Makefile.in (build/vec.o): New rule.
7238 (build/genextract): Depend on build/vec.o.
7239 (build/genextract.o): Don't depend on insn-config.h.
7241 2006-01-22 Zack Weinberg <zackw@panix.com>
7243 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7244 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7245 practical. Eliminate per-generator-program link rules.
7247 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7250 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7251 with a call expr to ...
7252 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7254 2006-01-23 Richard Guenther <rguenther@suse.de>
7256 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7257 before make_edge with conditional EDGE_TRUE_VALUE.
7259 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7260 Jan Hubicka <jh@suse.cz>
7261 Richard Guenther <rguenther@suse.de>
7263 PR rtl-optimization/25654
7264 * cfgexpand.c (aggregate_contains_union_type): New function.
7265 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7266 for structure variables that contain a union type.
7268 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7270 * gengtype.c (new_structure): Return the structure.
7271 (create_option): Add an extra "next" argument.
7272 (create_field): New function.
7273 (adjust_field_rtx_def): Use create_option and create_field.
7274 Remove a now-unnecessary call to find_structure.
7275 (adjust_field_tree_def): Likewise.
7276 (note_yacc_type): Remove an unnecessary call to find_structure.
7277 * gengtype.h (new_structure): Return the structure.
7278 (create_option): Add an extra argument.
7279 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7280 (option): Adjust calls to create_option.
7282 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7284 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7286 2006-01-22 Paul Brook <paul@codesourcery.com>
7287 Peter Barada <peter@the-baradas.com>
7289 * config/m68k/m68k.md: Add Coldfire FPU support.
7290 Define FP mode macro and associated attributes.
7291 Use it for float mode patterns.
7292 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7293 (LIBCALL_VALUE): Use m68k_libcall_value.
7294 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7295 (m68k_function_value): Ditto.
7296 (emit_move_sequence): Ditto.
7297 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7298 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7299 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7300 (MULTILIB_EXCEPTIONS): Ditto.
7301 * config/m68k/m68k.opt: Add mcfv4e.
7302 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7303 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7304 (m68k_output_function_prologue): Save ColdFire FPU registers.
7305 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7306 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7307 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7308 ColdFire FPU registers.
7309 (m68k_libcall_value, m68k_function_value): New functions.
7310 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7311 (LIBCALL_VALUE): Use m68k_libcall_value.
7312 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7313 (MASK_COLDFIRE): Add MASK_CFV4E.
7314 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7315 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7316 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7317 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7318 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7319 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7320 * doc/invoke.tex: Document -mcfv4e on m68k.
7322 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7324 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7327 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7330 * c-opts.c (c_common_handle_option): Don't include
7331 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7332 * doc/invoke.texi (C++ Dialect Options): Document that
7333 -Wnon-virtual-dtor is no longer included in -Wall.
7335 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7337 * gcov.c (print_version), gcov-dump.c (print_version),
7338 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7341 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7343 * df-scan.c (problem_SCAN): Added NULL reset function.
7344 (df_scan_reset_blocks): Added code to call reset block function
7345 (df_bb_refs_delete) Fixed comment.
7346 (df_insn_refs_delete): Made tolerant of deleting non existent info
7347 for dataflow problems that need to be reset.
7348 * df-core.c (df_set_blocks): Ditto.
7349 * df.h (struct df_problem): Added reset_fun.
7350 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7351 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7352 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7353 functions to clear out all references to def-use or use-def chains.
7355 2006-01-21 Ben Elliston <bje@au.ibm.com>
7357 * varasm.c (assemble_real): Initialise data array.
7359 2006-01-20 Paul Brook <paul@codesourcery.com>
7361 Merge from csl-arm-branch.
7362 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7363 * config/arm/arm.md (movdi): Force operands[1] to a register
7364 if we have a non-register source.
7365 (*arm_movdi, *movdf_soft_insn): Require that one of the
7366 operands be a register.
7367 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7368 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7370 2006-01-20 DJ Delorie <dj@redhat.com>
7372 * varasm.c (initialize_constant_valid_p): Allow pointers
7373 initialized from integer constants of lesser precision.
7374 (output_constant): Allow non-int-sized pointer modes to be
7375 initialized from integer constants.
7377 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7380 * cppdefault.h (struct default_include): Add multilib flag.
7381 * cppdefault.c (cpp_include_defaults): Set it.
7382 * c.opt (-imultilib): New option.
7383 * c-opts.c (imultilib): New.
7384 (c_common_handle_option): Handle -imultilib.
7385 (c_common_post_options): Likewise.
7386 * c-incpath.c (add_standard_paths, register_include_chains):
7388 * c-incpath.h (register_include_chains): Add extra parameter.
7389 * gcc.c (do_spec_1): Generate -imultilib option.
7390 (The Specs Language): Update %I description.
7391 (process_command): Update copyright notice.
7392 * doc/cppopts.texi (-imultilib): Document.
7393 * doc/invoke.texi (-imultilib): Include in option summary.
7394 (%I): Update specs documentation.
7396 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7398 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7400 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7402 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7405 2006-01-20 Richard Guenther <rguenther@suse.de>
7406 Steven Bosscher <stevenb.gcc@gmail.com>
7408 PR rtl-optimization/24626
7409 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7410 EDGE_TRUE_VALUE if in RTL mode.
7413 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7414 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7416 2006-01-20 Dirk Mueller <dmueller@suse.com>
7419 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7420 instead of a special NOP marker.
7421 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7422 NOP marker handling.
7423 * c-common.h (empty_body_warning): Add forward declaration.
7424 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7425 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7427 2006-01-20 Paul Brook <paul@codesourcery.com>
7429 * Makefile.in (lang_checks): Keep going if mkdir fails.
7431 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7433 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7434 be able to clean out basic block when not necessary.
7435 (df_scan_free): Fixed to properly delete information if df is
7436 unused before calling df_finish.
7437 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7438 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7440 (df_bb_refs_delete): New function.
7441 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7442 * df-core.c (df_set_blocks): Added code to properly clean out
7443 unused blocks if they are not part of the blocks to consider.
7444 Added additional null check.
7445 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7446 be able to clean out basic block when not necessary
7447 * df.h (df_free_bb_function): Ditto.
7448 (df_bb_refs_delete): New function.
7449 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7450 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7451 basic block parameter to be able to clean out basic block when not
7453 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7454 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7455 Fixed to properly delete information if df is unused before
7458 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7460 PR rtl-optimization/25799
7461 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7462 Corrected confluence operator to remove bits from op2 before oring
7463 with op1 rather than removing bits from op1.
7464 (df_ru_transfer_function): Corrected test on wrong bitmap which
7465 caused infinite loop. Both of these problems were introduced in
7466 the dataflow rewrite.
7468 2006-01-19 DJ Delorie <dj@redhat.com>
7470 * reload1.c (find_reload_regs): Note the details of reload
7471 failures in the dump file.
7472 (spill_failure): Likewise.
7474 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7476 * loop-iv.c: Include df.h and hashtab.h.
7477 (enum iv_grd_result): New enum.
7478 (DF_REF_IV, DF_REF_IV_SET): New macros.
7479 (struct biv_entry): New.
7480 (df, bivs): New global variables.
7481 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7482 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7484 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7485 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7486 analyzed_for_bivness_p, record_biv): New functions.
7487 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7488 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7489 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7491 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7493 (iv_number_of_iterations): Use new interface to iv analysis.
7494 * loop-unroll.c: Do not include varray.h.
7495 (analyze_iv_to_split_insn): Use new interface to iv
7497 * loop-unswitch.c (may_unswitch_on): Ditto.
7498 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7500 (df_bb_modify): Realloc tables to the new index.
7501 (df_find_use): New function.
7502 * df.h (df_find_use): Declare.
7503 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7505 * cfgloop.h (struct rtx_iv): Remove analysed field.
7506 (iv_get_reaching_def): Removed.
7507 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7508 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7509 (loop-iv.o): Add df.h and hashtab.h dependency.
7510 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7512 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7515 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7517 (__floatundisf, __floatundidf): Likewise.
7518 * libgcc2.h (IS_IBM_EXTENDED): Define.
7520 2006-01-19 DJ Delorie <dj@redhat.com>
7522 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7524 2006-01-19 Paul Brook <paul@codesourcery.com>
7526 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7527 as nothrow when unwinding tables are disabled.
7529 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7532 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7533 of bit-field" when in system header.
7535 2006-01-19 DJ Delorie <dj@redhat.com>
7537 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7538 the 16 bit shift limit of the m16c.
7540 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7543 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7544 * config/i386/i386.c (output_set_got): Output the label if we have one
7545 for the TARGET_DEEP_BRANCH_PREDICTION case.
7547 2006-01-19 Jan Hubicka <jh@suse.cz>
7548 H.J. Lu <hongjiu.lu@intel.com>
7549 Evandro Menezes <evandro.menezes@amd.com>
7551 * invoke.texi (generic): Document
7553 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7554 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7555 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7556 (x86_use_incdec, x86_pad_returns): New variables
7557 (TARGET_CPU_DEFAULT_generic): New constant
7558 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7559 (enum processor_type): Add generic32 and generic64.
7560 * i386.md (cpu attribute): Add generic32/generic64
7561 (movhi splitter): Behave sanely when both partial_reg_dependency and
7562 partial_reg_stall are set.
7563 (K8 splitters): Enable for generic as well.
7564 * predicates.md (incdec_operand): Use TARGET_INCDEC
7565 (aligned_operand): Avoid memory mismatch stalls.
7566 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7567 * ppro.md: Enable for generic32
7568 * i386.c (generic64_cost, generic32_cost): New.
7569 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7570 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7571 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7572 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7573 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7574 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7575 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7576 x86_accumulate_outgoing_args, x86_prologue_using_move,
7577 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7578 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7580 (x86_use_incdec, x86_pad_returns): New.
7581 (override_options): Add generic32 and generic64, translate "generic"
7582 to generic32/generic64 and "i686" to "generic32", refuse
7583 "generic32"/"generic64" as arch target.
7584 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7585 (ix86_reorg): Honor PAD_RETURNS.
7587 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7589 * tree-pretty-print.c (dump_generic_node): Handle
7590 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7591 * cgraph.c (cgraph_expand_queue): Rename from
7592 cgraph_analyze_queue. Update all users.
7593 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7594 cgraph_expand_queue.
7595 (cgraph_expand_all_functions): Likewise.
7596 (cgraph_finalize_pending_functions): Remove. Update callers.
7598 * tree.h (OMP_DIRECTIVE_P): Define.
7599 (OMP_PARALLEL_FN): Define.
7600 (OMP_PARALLEL_DATA_ARG): Define.
7601 (OMP_SECTIONS_SECTIONS): Define.
7602 * tree-pass.h (pass_expand_omp): Declare.
7603 * omp-low.c (struct omp_region): Declare.
7604 (struct omp_context): Remove fields 'parallel_type',
7605 'parallel_start_ix' and 'parallel_start_additional_args'.
7607 (struct omp_for_data): Rename from struct expand_omp_for_data.
7608 (omp_regions): New static variable.
7609 (root_omp_region): New static variable.
7610 (find_omp_clause): Make static.
7611 (is_in_combined_parallel_ctx): Remove.
7612 (is_combined_parallel): New.
7613 (extract_omp_for_data): Move earlier in the file.
7614 (workshare_safe_to_combine_p): New.
7615 (get_ws_args_for): New.
7616 (determine_parallel_type): Move earlier in the file.
7617 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7619 (omp_copy_decl): Likewise.
7620 (create_omp_child_function): Likewise.
7621 (lookup_omp_region): New.
7622 (dump_omp_region): New.
7623 (debug_omp_region): New.
7624 (debug_all_omp_regions): New.
7625 (new_omp_region): New.
7626 (scan_omp_parallel): If parallel_nesting_level > 1, the
7627 directive is nested within another parallel directive.
7628 Set OMP_PARALLEL_FN.
7629 (scan_omp_for): Do not try to handle combined parallel+for
7631 Remove FIXME comment.
7632 (scan_omp_nested): Remove.
7633 (scan_omp_1): Do not call scan_omp_nested when
7634 parallel_nesting_level is > 1.
7635 Do not change the DECL_CONTEXT of local variables found.
7636 (lookup_decl_in_outer_ctx): New.
7637 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7638 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7639 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7640 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7641 If CTX is nested, lookup VAR in the outer context when
7642 building copy assignment.
7643 (lower_send_clauses): Rename from expand_send_clauses.
7644 If CTX is nested, lookup VAR in the outer context when
7645 building copy assignments.
7646 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7647 If CTX is nested, lookup VAR in the outer context when
7648 building copy assignments.
7649 (expand_parallel_call): Rename from build_parallel_call.
7650 Handle combined parallel+workshare cases.
7651 Re-implement to emit code into the CFG.
7653 (expand_omp_parallel): Re-implement to emit code into the CFG.
7654 Call move_sese_region_to_fn to outline the sub-graph
7655 containing the parallel region.
7656 (expand_omp_for_1): Remove.
7657 (expand_omp_for_generic): Re-implement to emit code into the
7659 (expand_omp_for_static_nochunk): Likewise.
7660 (expand_omp_for_static_chunk): Likewise.
7661 (expand_omp_for): Likewise.
7662 (expand_omp_sections): Likewise.
7663 (remove_exit_barriers): New.
7664 (expand_omp_synch): New.
7666 (build_omp_regions_1): New.
7667 (build_omp_regions): New.
7668 (execute_expand_omp): New.
7669 (gate_expand_omp): New.
7670 (pass_expand_omp): Define.
7671 (lower_omp_sections): Rename from expand_omp_sections.
7672 Set OMP_SECTIONS_SECTIONS.
7673 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7674 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7675 (lower_omp_single): Rename from expand_omp_simple.
7676 (lower_omp_master): Rename from expand_omp_master.
7677 (lower_omp_ordered): Rename from expand_omp_ordered.
7678 (lower_omp_critical): Rename from expand_omp_critical.
7679 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7680 (lower_omp_for): Re-implement.
7681 (lower_omp_parallel): Re-implement.
7682 (lower_regimplify): Rename from expand_regimplify.
7683 (lower_omp_1): Rename from expand_omp_1.
7684 If there are syntax errors in the program, replace every
7685 OpenMP directive with NOP.
7686 Call lower_omp_* instead of expand_omp_*.
7687 (lower_omp): Rename from expand_omp.
7689 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7690 * tree-gimple.h (enum omp_parallel_type): Remove.
7691 (gimple_boolify): Declare extern.
7692 (find_omp_clause, determine_parallel_type): Remove.
7694 * gimple-low.c (lower_omp_directive): New.
7695 (lower_stmt): Call it.
7696 (record_vars_into): Move from ...
7697 (record_vars): ... here.
7698 Call record_vars_into with current_function_decl.
7700 * gimplify.c (struct gimplify_ctx): Remove fields
7701 combined_pre_p and combined_ctxp. Update users.
7702 (get_formal_tmp_var): Add documentation.
7703 (gimple_boolify): Make extern.
7704 (gimplify_expr_in_ctx): Remove. Update callers.
7705 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7706 will always be a BIND_EXPR.
7707 (gimplify_expr): Handle OMP_RETURN_EXPR.
7708 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7709 (OMP_PARALLEL): Add 3 operands.
7710 (OMP_SECTIONS): Add 1 operand.
7711 (OMP_RETURN_EXPR): Define.
7713 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7714 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7715 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7716 creating a circular free list.
7717 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7719 * tree-flow.h (move_sese_region_to_fn): Declare.
7720 (record_vars_into): Declare.
7721 * tree-cfg.c (make_omp_sections_edges): New.
7722 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7723 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7724 OMP_SECTIONS and OMP_SECTION.
7725 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7726 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7727 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7728 (gather_blocks_in_sese_region): New.
7729 (struct move_stmt_d): Declare.
7731 (move_block_to_fn): New.
7732 (move_sese_region_to_fn): New.
7734 * passes.c (init_optimization_passes): Schedule
7735 pass_expand_omp after pass_init_datastructures.
7737 * tree-ssa-operands.c (get_expr_operands): Handle
7738 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7739 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7741 2006-01-19 Jeff Law <law@redhat.com>
7743 * tree-vrp.c (extract_range_from_assert): Refine the result range
7744 if the variable referenced by the ASSERT_EXPR has a range and
7745 either the tentative result range or the previous range is a
7748 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7750 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7752 2006-01-19 Jan Hubicka <jh@suse.cz>
7754 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7756 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7758 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7759 (expand_compound_operation, expand_field_assignment): Fail if the
7760 bit lengths of an extract operation are out of range.
7761 (make_extraction): Compute wanted_inner_mode based on the position
7762 and length of the extraction. Make it extraction_mode for non-constant
7763 positions, and do not modify offset in that case. When generating a
7764 new MEM, use a mode that can hold the extraction while keeping correct
7765 alignment. Remove code that supported MEMs wrapped by USEs.
7766 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7768 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7770 * config/s390/s390.md ("Y", "y"): New mode attribute.
7771 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7772 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7773 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7774 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7775 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7776 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7777 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7778 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7779 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7780 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7781 "addsi3", "subsi3"): Insn patterns removed.
7782 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7783 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7784 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7785 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7786 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7787 "*sub<mode>3_cconly2"): New insn patterns.
7788 ("addsi3", "subsi3"): New expanders.
7790 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7792 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7793 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7794 existing STMT_VINFO_VECTYPE if available.
7795 (vect_mark_relevant): Add special handling for stmts that are
7796 marked as STMT_VINFO_IN_PATTERN_P.
7797 (vect_analyze_loop): Call vect_pattern_recog.
7798 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7799 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7801 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7802 (vect_recog_func_ptr): New function-pointer type.
7803 * tree-vect-patterns.c: New file.
7804 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7805 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7806 (vect_pattern_recog_1): New functions.
7807 (vect_pattern_recog_funcs): New array of function pointers.
7809 * tree-vectorizer.h (ternary_op): New enum value.
7810 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7811 declaration. Revised documentation. Removed redundant dump prints.
7812 Removed redundant argument. Added support for reduction patterns.
7813 (vectorizable_reduction): Added support for reduction patterns.
7814 (vect_transform_stmt): Added support for patterns.
7816 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7817 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7818 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7819 (expand_widen_pattern_expr): New function.
7820 (init_optabs): Initialize new optabs udot_prod_optab,
7822 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7823 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7824 (expand_widen_pattern_expr): New function declaration.
7825 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7827 * tree-inline.c (estimate_num_insns_1): Added cases for new
7828 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7829 * tree-pretty-print.c (dump_generic_node): Likewise.
7830 (op_prio): Likewise.
7831 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7832 * tree-ssa-operands.c (get_expr_operands): Added case for
7834 * tree-vect-patterns.c (widened_name_p): New function.
7835 (vect_recog_dot_prod_pattern): Added function implementation.
7836 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7837 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7838 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7839 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7841 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7842 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7843 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7844 (init_optabs): Initialize new optabs widen_ssum_optab,
7846 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7847 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7848 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7849 use instead of type of def.
7850 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7851 function implementation.
7852 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7853 widen_ssumv8hi): New.
7855 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7858 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7861 * c-decl.c (add_flexible_array_elts_to_size): New function.
7862 (finish_decl): Use it.
7864 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7866 * diagnostic.h: Include options.h.
7867 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7868 dependancies for diagnostic.h.
7869 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7871 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7873 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7874 (ssa_ro_call_cache_valid): Ditto.
7875 * tree-ssa-alias.c (sort_tags_by_id): New function.
7876 (init_transitive_clobber_worklist): Ditto.
7877 (add_to_worklist): Ditto.
7878 (mark_aliases_call_clobbered): Ditto.
7879 (compute_tag_properties): Ditto.
7880 (set_initial_properties): Ditto.
7881 (compute_call_clobbered): Ditto.
7882 (compute_may_aliases): Call compute_call_clobbered and grouping.
7883 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7884 (compute_flow_insensitive_aliasing): Grouping now happens in our
7886 (setup_pointers_and_addressables): Remove clobbering related code.
7887 (add_may_alias): Ditto.
7888 (replace_may_alias): Ditto.
7889 (get_nmt_for): Ditto.
7890 (create_global_var):
7891 (is_escape_site): Return an escape_type enumeration.
7892 * tree-flow-inline.h (is_call_clobbered): Global var does not
7893 imply call clobbered.
7894 (mark_call_clobbered): Take a reason for marking this. Remove
7895 marking of globalness, and cache invalidation.
7896 (clear_call_clobbered): Remove cache invalidation code.
7897 * tree-dfa.c (dump_variable): If details is on, dump the reason
7899 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7901 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7902 (struct var_ann_d): Ditto.
7903 (enum escape_type): New.
7904 (mark_call_clobbered): Adjust prototype.
7905 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7906 are never call clobbered.
7907 Record reasons for escaping.
7908 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7909 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7910 (ssa_ro_call_cache_valid): Ditto.
7911 (clobbered_v_may_defs): Ditto.
7912 (clobbered_vuses): Ditto.
7913 (ro_call_vuses): Ditto.
7914 (clobber_stats): New.
7915 (init_ssa_operands): Zero out clobber stats.
7916 (fini_ssa_operands): Print out clobber stats.
7917 (get_call_expr_operands): Pass callee fndecl to
7919 (add_call_clobber_ops): Remove use of cache.
7920 Add use of PURE_CONST information.
7921 (add_call_read_ops): Remove use of cache.
7922 Add use of static not_read information.
7924 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7926 Introduce TLS descriptors for i386 and x86_64.
7927 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7928 (TARGET_ANY_GNU_TLS): New macro.
7929 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7930 (struct machine_function): Add tls_descriptor_call_expanded_p.
7931 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7932 (ix86_current_function_calls_tls_descriptor): Likewise.
7933 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7934 (override_options): Introduce gnu2 tls dialect.
7935 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7937 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7939 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7940 (ix86_init_machine_status): Initialize new field.
7941 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7942 (ix86_tls_module_base): New.
7943 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7944 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7945 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7946 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7947 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7948 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7949 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7950 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7951 * config/i386/predicates.md (tls_modbase_operand): New.
7952 (tp_or_register_operand): New.
7954 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7956 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7957 (look_for_address_of): Ditto.
7958 (ipa_init): Walk the function decls.
7959 (static_execute): Don't set readonly on FUNCTION_DECL's.
7961 2006-01-18 Roger Sayle <roger@eyesopen.com>
7963 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7964 for shifts where the source and destination registers are different.
7966 2006-01-18 Paul Brook <paul@codesourcery.com>
7968 Merge from csl-arm-branch.
7969 2005-03-14 Julian Brown <julian@codesourcery.com>
7970 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7971 (aeabi_llsl): Likewise.
7972 (ashrdi3): Likewise.
7973 (aeabi_lasr): Likewise.
7974 (lshrdi3): Likewise.
7975 (aeabi_llsr): Likewise.
7976 2005-03-10 Julian Brown <julian@codesourcery.com>
7977 * config.gcc: Disable shared libgcc for SymbianOS.
7978 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7980 2006-01-18 DJ Delorie <dj@redhat.com>
7982 * c-pragma.c (handle_pragma_diagnostic): New.
7983 (init_pragma): Register it.
7984 * doc/extend.texi: Document it.
7986 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7987 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7988 (diagnostic_context): Add classify_diagnostic[].
7989 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7990 as errors if they're overridden to DK_WARNING.
7991 (diagnostic_initialize): Initialize classify_diagnostic[].
7992 (diagnostic_set_kind_override): New.
7993 (diagnostic_report_diagnostic): Check for kind changes.
7994 * opts.c (common_handle_option): Take lang_mask. Update callers.
7996 * common.opt (Werror=): New.
7997 * doc/invoke.texi: Document -Werror=*
7999 2006-01-18 Jeff Law <law@redhat.com>
8001 * tree-vrp.c (test_for_singularity): Correct test for new
8002 min limit. Use operand_equal_p rather than pointer equality
8003 for testing if new min/max values are equal.
8005 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8006 using range information until after propagation and folding.
8008 2006-01-18 Richard Henderson <rth@redhat.com>
8009 Aldy Hernandez <aldyh@redhat.com>
8010 Jakub Jelinek <jakub@redhat.com>
8011 Diego Novillo <dnovillo@redhat.com>
8013 * omp-low.c: New file.
8014 * c-omp.c: New file.
8016 2006-01-18 Richard Henderson <rth@redhat.com>
8017 Jakub Jelinek <jakub@redhat.com>
8018 Diego Novillo <dnovillo@redhat.com>
8020 * doc/invoke.texi: Document -fopenmp.
8021 * tree-dump.h (debug_function): Declare.
8022 * hooks.c (hook_bool_tree_bool_false): New function.
8023 (hook_tree_tree_null): Remove.
8024 (hook_tree_tree_tree_null): New.
8025 * hooks.h: Update to match.
8026 * tree-pretty-print.c (debug_tree_chain): New.
8027 (print_generic_expr): Handle TDF_CHAIN.
8028 (dump_generic_node): Handle BLOCK.
8029 Do not abort with incomplete SWITCH_EXPRs.
8030 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8031 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8032 print space after directive name.
8033 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8034 Handle OMP_MASTER and OMP_ORDERED.
8035 Handle printing of OMP_BODY just in one place, goto
8036 dump_omp_body in the rest of OMP_* nodes that have
8038 Don't handle clause nodes here. Update omp statements to
8039 use dump_omp_clauses.
8040 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8041 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8042 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8043 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8044 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8045 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8046 Adjust output for GOMP_PARALLEL.
8047 (dump_omp_clauses): New.
8048 (print_declaration): Dump DECL_VALUE_EXPR.
8049 (op_symbol_1): Split out of op_symbol.
8050 (dumping_stmts): Remove. Update all users.
8051 * cgraph.c (cgraph_analyze_queue): New.
8052 (cgraph_add_new_function): New.
8053 * cgraph.h (cgraph_analyze_queue): Declare.
8054 (cgraph_add_new_function): Declare.
8055 (cgraph_lower_function): Remove.
8056 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8057 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8058 and TYPE_P nodes in its default clause.
8059 (empty_body_p): New.
8060 (tree_range_check_failed): New.
8062 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8063 OMP_CLAUSE_REDUCTION_MERGE,
8064 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8065 OMP_CLAUSE_PRIVATE_DEBUG,
8066 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8067 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8068 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8069 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8070 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8071 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8072 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8073 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8074 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8075 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8076 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8077 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8078 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8079 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8080 (TREE_RANGE_CHECK): New.
8081 (empty_body_p): Declare.
8082 (enum omp_clause_default_kind): New.
8083 (build_string_literal): Declare.
8084 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8085 (build5_stat, build5): Declare.
8086 * tree-pass.h (TDF_CHAIN): Define.
8087 * tree-pass.h (PROP_gimple_lomp): Define.
8088 (pass_lower_omp): Declare.
8089 * diagnostic.h (debug_tree_chain): Declare.
8090 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8092 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8093 * builtins.c (build_string_literal): Make extern.
8094 * gcc.c (include_spec_function): New.
8095 (static_spec_functions): Add it.
8096 (main): Move load of libgomp.spec ...
8097 (LINK_COMMAND_SPEC): ... here.
8098 (link_gomp_spec): New.
8099 (static_specs): Include it.
8100 (LINK_COMMAND_SPEC): Add link_gomp.
8101 (GOMP_SELF_SPECS): New.
8102 (driver_self_specs): Include it.
8103 (switch_matches): Don't mark inline.
8104 (main): Load libgomp.spec.
8105 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8106 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8107 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8108 * tree-gimple.h (enum omp_parallel): Declare.
8109 (determine_parallel_type): Declare.
8110 (omp_firstprivatize_variable): Declare.
8111 (omp_reduction_init): Declare.
8112 (diagnose_omp_structured_block_errors): Declare.
8113 (struct walk_stmt_info): Add want_return_expr.
8114 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8115 (find_omp_clause): Declare.
8116 (insert_field_into_struct): Declare.
8117 (struct walk_stmt_info): Move from tree-nested.c
8118 (walk_stmts): Declare.
8119 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8121 * cgraphunit.c (cgraph_lower_function): Make static.
8122 (cgraph_finalize_pending_functions): New.
8123 (cgraph_finalize_function): Call it.
8124 (cgraph_finalize_compilation_unit): Likewise.
8125 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8126 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8127 (BT_FN_UINT_UINT): New.
8128 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8129 DEF_FUNCTION_TYPE_VAR_4): Document.
8130 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8131 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8132 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8133 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8134 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8135 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8136 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8137 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8138 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8139 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8140 into separate files.
8141 (DEF_GOMP_BUILTIN): New.
8142 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8143 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8144 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8145 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8146 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8147 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8148 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8149 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8150 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8151 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8152 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8153 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8154 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8155 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8156 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8157 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8158 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8159 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8160 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8161 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8162 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8163 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8164 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8165 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8166 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8167 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8168 * sync-builtins.def: New file, moved from builtins.def.
8169 * omp-builtins.def: New file, moved from builtins.def.
8170 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8171 * gimple-low.c (lower_function_body): Clear data.
8172 (lower_stmt): Do not handle COMPOUND_EXPR.
8173 Remove call to print_node_brief.
8174 * c-tree.h (c_finish_omp_clauses): New prototype.
8175 (C_DECL_THREADPRIVATE_P): Define.
8176 (lookup_name_no_remap, c_omp_remap_private): Remove
8177 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8178 (check_for_loop_decls): Update decl.
8179 (lookup_name_no_remap, c_omp_remap_private): Declare.
8180 (build_indirect_ref, build_modify_expr, pushdecl,
8181 pushdecl_top_level): Move to c-common.h.
8182 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8183 before the switch, but just in the 2 places that need it.
8184 * c-decl.c (diagnose_mismatched_decls): Do not check for
8185 mismatched thread-local attributes when OLDDECL is marked
8186 threadprivate and NEWDECL has no thread-local attributes.
8187 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8188 (c_gimple_diagnostics_recursively): Rename from
8189 c_warn_unused_result_recursively. Invoke
8190 diagnose_omp_structured_block_errors.
8191 (check_for_loop_decls): Return a singular decl found.
8192 * langhooks.c (lhd_omp_predetermined_sharing): Return
8193 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8194 (lhd_omp_firstprivatize_type_sizes): New.
8195 (lhd_omp_assignment): New.
8196 (lhd_omp_predetermined_sharing): New.
8197 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8198 (struct lang_hooks_for_types): Add
8199 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8200 omp_predetermined_sharing, omp_disregard_value_expr,
8201 omp_private_debug_clause, omp_clause_default_ctor,
8202 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8203 (c_finish_omp_clauses): New.
8204 (c_finish_bc_stmt): Diagnose break within omp for.
8205 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8206 (build_unary_op): Return error_mark after reporting
8208 (build_modify_expr): Likewise.
8209 * gimplify.c: Include optabs.h and pointer-set.h.
8210 (enum gimplify_omp_var_data): Declare.
8211 (struct gimplify_omp_ctx): Declare.
8212 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8214 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8215 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8216 (splay_tree_compare_decl_uid): New.
8217 (new_omp_context): New.
8218 (delete_omp_context): New.
8219 (gimple_add_tmp_var): Call omp_add_variable.
8220 (gimplify_bind_expr): Likewise.
8221 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8222 true, disregard DECL_VALUE_EXPR on the decl if any.
8223 (gimplify_expr_in_ctx): New.
8224 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8225 omp_add_variable, omp_notice_variable, omp_is_private
8226 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8227 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8228 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8229 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8230 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8231 gimplify_omp_atomic): New.
8232 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8233 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8234 OMP_CRITICAL and OMP_ATOMIC.
8235 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8236 * c-pragma.h (enum pragma_kind): Add
8237 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8238 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8239 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8240 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8241 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8242 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8243 PRAGMA_OMP_THREADPRIVATE.
8244 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8245 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8246 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8247 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8248 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8249 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8250 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8251 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8252 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8253 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8254 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8255 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8256 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8258 (struct nesting_info): Add field_map,
8259 suppress_expansion, debug_var_chain.
8260 (create_nesting_tree): Initialize them.
8261 (lookup_field_for_decl): Use field_map.
8262 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8263 (convert_local_omp_clauses): New.
8264 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8265 (walk_body): Split out of walk_function.
8266 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8267 (convert_nonlocal_reference): Handle omp statements.
8268 (convert_local_reference): Likewise.
8269 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8270 (unnest_nesting_tree): New.
8271 (lower_nested_functions): Call it.
8272 (insert_field_into_struct): Make extern.
8273 (struct walk_stmt_info): Move to tree-gimple.h.
8274 (walk_stmts): Make extern.
8275 * omp-builtins.def: New file.
8276 * tree-iterator.c (expr_only): Clarify comment.
8277 * c-common.h (pushdecl_top_level, pushdecl,
8278 build_modify_expr, build_indirect_ref,
8279 c_finish_omp_master, c_finish_omp_critical,
8280 c_finish_omp_ordered, c_finish_omp_barrier,
8281 c_finish_omp_atomic, c_finish_omp_flush,
8282 c_finish_omp_for, c_split_parallel_clauses,
8283 omp_clause_default_kind, c_omp_sharing_predetermined,
8284 c_omp_remap_decl): Declare.
8285 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8286 (OBJS-common): Add omp-low.o.
8287 (c-omp.o, omp-low.o): Add.
8288 (gimplify.o): Add dependency on $(OPTABS_H).
8289 (GTFILES): Add omp-low.c.
8290 (gt-stringpool.h): Add.
8291 * tree-cfg.c (set_bb_for_stmt): Do not update the
8292 block-to-labels map if we are currently expanding to RTL.
8293 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8295 Handle IDENTIFIER_NODE.
8296 (tree_verify_flow_info): Do not ICE when emitting error
8297 messages about invalid labels.
8298 (dump_function_to_file): Reset CFUN before emitting the body
8300 (debug_function): New.
8301 * passes.c (init_optimization_passes): Schedule
8303 * langhooks-def.h (lhd_omp_predetermined_sharing,
8304 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8306 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8307 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8308 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8309 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8310 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8311 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8312 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8313 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8314 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8315 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8316 (LANG_HOOK_DECLS): Use them.
8318 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8319 Richard Henderson <rth@redhat.com>
8320 Jakub Jelinek <jakub@redhat.com>
8321 Diego Novillo <dnovillo@redhat.com>
8323 * c-parser.c (pragma_omp_clause): Define.
8324 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8325 (c_parser_compound_statement): Likewise.
8326 (c_parser_statement): Likewise.
8327 (c_parser_pragma): Handle omp pragmas.
8328 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8329 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8330 (c_parser_omp_clause_name, check_no_duplicate_clause,
8331 c_parser_omp_variable_list,
8332 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8333 c_parser_omp_clause_copyprivate,
8334 c_parser_omp_clause_default,
8335 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8336 c_parser_omp_clause_lastprivate,
8337 c_parser_omp_clause_nowait,
8338 c_parser_omp_clause_num_threads,
8339 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8340 c_parser_omp_clause_reduction,
8341 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8342 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8343 c_parser_omp_atomic, c_parser_omp_barrier,
8344 c_parser_omp_critical, c_parser_omp_flush,
8345 c_parser_omp_for_loop, c_parser_omp_for,
8346 c_parser_omp_master, c_parser_omp_ordered,
8347 c_parser_omp_sections_scope, c_parser_omp_sections,
8348 c_parser_omp_parallel, c_parser_omp_single,
8349 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8350 * c-pragma.c (init_pragma): Do omp pragma registration here.
8351 * c.opt (fopenmp): New flag.
8353 2006-01-18 Eric Christopher <echristo@apple.com>
8355 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8356 * config/darwin.h (GOMP_SELF_SPECS): Define.
8358 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8360 * rtl.h: Remove the prototype for reg_alloc.
8362 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8365 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8366 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8367 sjlj and dwarf2 exception handling.
8368 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8369 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8370 * pa/pa.c (function_value): Treat complex and vector types as
8372 (function_arg): Likewise. Only pass scalar floats in the floating
8373 point argument registers.
8374 * pa/t-slibgcc-dwarf-ver: New file.
8375 * pa/t-slibgcc-sjlj-ver: New file.
8376 * pa/t-slibgcc-elf-ver: Delete file.
8378 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8380 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8381 unlikely_test_section_p test.
8383 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8385 * mode-switching.c (optimize_mode_switching): Make it static.
8386 * basic-block.h: Remove the prototype for
8387 optimize_mode_switching.
8389 * modulo-sched.c (sms_schedule): Make it static.
8390 * rtl.h: Remove the prototype for sms_schedule.
8392 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8393 * rtl.h: Remove the prototype for gcse_after_reload_main.
8395 * reg-stack.c (reg_to_stack): Make it static.
8396 * rtl.h: Remove the prototype for reg_to_stack.
8398 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8400 * rtl.h: Remove the prototypes for regrename_optimize and
8401 copyprop_hardreg_forward.
8403 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8405 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8406 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8407 Test against the appropriate null constant for the mode.
8408 If 'fixup_overlap' is true, swap the operands if they overlap.
8409 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8410 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8411 alpha_split_tmode_pair and adjust for above change.
8412 * config/alpha/alpha.md (movtf_internal): Adjust call to
8413 alpha_split_tfmode_pair and rely on it to swap the operands.
8414 (movti_internal): New insn and post-reload splitter.
8415 (movti): New expander.
8417 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8419 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8422 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8424 * rtlanal.c (global_reg_mentioned_p_1,
8425 global_reg_mentioned_p): Remove.
8426 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8428 * flow.c (initialize_uninitialized_subregs): Make it static.
8429 * rtl.h: Remove the prototype for
8430 initialize_uninitialized_subregs.
8432 * function.c (instantiate_virtual_regs): Make it static.
8433 * function.h: Remove the prototype for
8434 instantiate_virtual_regs.
8436 * regmove.c (regmove_optimize, combine_stack_adjustments):
8438 * rtl.h: Remove the prototypes for regmove_optimize and
8439 combine_stack_adjustments.
8441 2006-01-17 Roger Sayle <roger@eyesopen.com>
8443 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8444 (size_cost): Encode costs in bytes so that a reg-reg addition is
8445 equivalent to COSTS_N_INSNS(1).
8446 (override_options): Use the size_cost.branch_cost as the default
8447 ix86_branch_cost when optimizing for size.
8449 2006-01-18 Ben Elliston <bje@au.ibm.com>
8451 * Makefile.in (D32PBIT_FUNCS): New.
8452 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8453 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8454 D64PBIT_FUNCS and D128PBIT_FUNCS.
8455 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8456 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8458 (decnumber_dep): Define.
8459 * doc/libgcc.texi (Decimal float library routines): New node.
8460 * config/dfp-bit.h, config/dfp-bit.c: New files.
8462 2006-01-18 Ben Elliston <bje@au.ibm.com>
8464 * expr.c (emit_move_change_mode): Always adjust addresses, not
8465 just during reload. Copy replacements only during reload.
8466 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8467 emit_move_via_integer.
8469 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8471 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8472 instead of $(srcdir) and ${srcdir}.
8474 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8478 * arm.h (struct machine_function): Add pic_reg.
8479 * arm.c (arm_pic_register): Make unsigned.
8480 (arm_override_options): Only set arm_pic_register if
8481 TARGET_SINGLE_PIC_BASE.
8482 (use_return_insn): Only test for a pic register if it is fixed.
8483 (arm_compute_save_reg0_reg12_mask): Likewise.
8484 (thumb_compute_save_reg_mask): Likewise.
8485 (legitimate_pic_operand): Factor out some known invariants.
8486 (legitimize_pic_address): If we don't have a fixed pic register,
8487 then set up a pseudo in the function entry sequence. Handle the
8488 pic base being in a pseudo.
8489 (arm_load_pic_register): Handle the pic register being in a pseudo.
8490 (arm_expand_prologue): Only set up the pic register if it is fixed.
8491 (thumb_expand_prologue): Likewise.
8492 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8493 (pic_load_addr_based_insn): Likewise.
8494 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8497 2006-01-18 Ben Elliston <bje@au.ibm.com>
8499 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8500 decimal float modes for all floating point registers.
8502 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8503 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8505 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8508 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8509 even when the pointer is not NULL.
8511 2006-01-16 Ian Lance Taylor <ian@airs.com>
8513 * common.opt (ftoplevel-reorder): New option.
8514 * cgraph.c (cgraph_asm_nodes): New global variable.
8515 (cgraph_asm_last_node): New static variable.
8516 (cgraph_order): New global variable.
8517 (cgraph_create_node): Set new order field.
8518 (cgraph_varpool_node): Likewise.
8519 (decide_is_variable_needed): Return true if not
8520 flag_toplevel_reorder.
8521 (cgraph_add_asm_node): New function.
8522 * cgraph.h (struct cgraph_node): Add order field.
8523 (struct cgraph_varpool_node): Add order field.
8524 (struct cgraph_asm_node): Define.
8525 (cgraph_asm_nodes, cgraph_order): Declare.
8526 (cgraph_add_asm_node): Declare.
8527 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8529 (cgraph_varpool_assemble_pending_decls): Call it.
8530 (cgraph_output_pending_asms): New static function.
8531 (cgraph_finalize_compilation_unit): Call it.
8532 (struct cgraph_order_sort): Define.
8533 (cgraph_output_in_order): New static function.
8534 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8535 !flag_toplevel_reorder case.
8536 * c-parser.c: Include "cgraph.h".
8537 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8539 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8540 than -fno-unit-at-a-time.
8541 * doc/invoke.texi (Option Summary): Mention
8542 -fno-toplevel-reorder.
8543 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8544 -funit-at-a-time documentation.
8546 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8547 Kazu Hirata <kazu@codesourcery.com>
8549 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8551 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8553 * Makefile.in (FUNCTION_H): New. Use it instead of
8554 function.h throughout the file.
8555 * function.h: Include tree.h.
8557 2006-01-17 Ben Elliston <bje@au.ibm.com>
8559 * recog.c: Separate some functions with whitespace.
8561 2006-01-16 Richard Henderson <rth@redhat.com>
8563 Merge from gomp branch:
8564 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8565 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8566 and rename from struct inline_data. Rename callee* to dst*;
8567 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8568 transform_new_cfg, transform_return_to_modify, and
8569 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8571 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8572 (copy_decl_for_dup): Remove.
8573 * tree-inline.c (struct inline_data): Move to header.
8574 (insert_decl_map): Export.
8575 (remap_decl): Update for member name changes. Use copy_decl hook.
8576 Allow for replacement to be a non-decl. Remove dead code.
8577 (remap_type_1): Check for existing mapping.
8578 (remap_type): Export.
8579 (remap_decls): Update for member name changes.
8580 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8581 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8582 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8583 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8584 (tree_function_versioning, build_duplicate_type): Likewise.
8585 (copy_body_r): Likewise. Export.
8586 (copy_decl_for_dup): Split into ...
8587 (copy_decl_for_dup_finish, copy_decl_to_var,
8588 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8589 (replace_ref_tree, inlining_p): Remove.
8591 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8593 * ifcvt.c (if_convert): Make it static.
8594 * rtl.h: Remove the prototype for if_convert.
8596 * local-alloc.c (local_alloc): Make it static.
8597 * rtl.h: Remove the prototype for local_alloc.
8599 * loop.c (loop_optimize): Make it static.
8600 * cfgloop.h: Remove the prototype for loop_optimize.
8603 2006-01-16 DJ Delorie <dj@redhat.com>
8605 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8608 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8610 * pa.md: Disparage copies between general and floating-point registers
8611 in 32-bit move patterns.
8613 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8616 * Makefile.in (check-%): Depend on site.exp instead of
8617 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8620 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8622 * global.c (global_alloc): Make it static.
8623 * rtl.h: Remove the prototype for global_alloc.
8625 2006-01-16 Richard Guenther <rguenther@suse.de>
8627 * tree-ssa-alias.c (struct used_part): Add write_only field.
8628 (get_or_create_used_part_for): Initialize it to true.
8629 (create_overlap_variables_for): Don't create structure variables
8630 for structures that only are written to.
8631 (find_used_portions): Handle MODIFY_EXPR to track whether a
8632 structure is only written to.
8634 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8636 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8638 * basic-block.h: Remove the prototype for
8639 partition_hot_cold_basic_blocks.
8641 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8643 * cppspec.c (lang_specific_spec_functions): Remove.
8644 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8645 * gcc.h (lang_specific_spec_functions): Remove.
8646 * gccspec.c (lang_specific_spec_functions): Remove.
8648 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8650 * combine.c (record_value_for_reg): Invalidate registers
8652 (record_dead_and_set_regs_1): Likewise, by passing them to
8653 record_value_for_reg.
8654 (record_dead_and_set_regs): Invalidate stores made by a
8655 call. We do not combine across a call, but we still
8656 relied on equivalences.
8658 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8660 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8661 vrp_int_const_binop returning non-constant nodes.
8663 2006-01-16 Paul Brook <paul@codesourcery.com>
8665 * config/m68k/m68k.c (output_move_const_into_data_reg):
8666 Output correct mnemonic for mvz and mvs.
8668 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8670 * rtl-factoring.c: Add sequence abstraction algorithm.
8671 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8672 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8674 (block_has_preserve_label): New function.
8675 * common.opt: Register new pass.
8676 * Makefile.in: Ditto.
8678 * timevar.def: Ditto.
8679 * tree-pass.h: Ditto.
8680 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8681 * rtl.h (make_jump_insn_raw): Add forward decl.
8682 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8684 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8685 Roger Sayle <roger@eyesopen.com>
8687 * fold-const.c (fold_minmax): New static function.
8688 (fold_binary) <MIN_EXPR>: Call it.
8689 <MAX_EXPR>: Likewise.
8690 * stor-layout.c (place_field): Use DECL_SIZE consistently
8691 in the computation of the new record size.
8693 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8695 * cse.c (cse_condition_code_reg): Make it static.
8696 * rtl.h: Remove the prototype for cse_condition_code_reg.
8698 * combine.c (combine_instructions): Make it static.
8699 * rtl.h: Remove the prototype for combine_instructions.
8701 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8704 * tree.c (get_file_function_name_long): Concatenate the first global
8705 object name with a string derived from the input filename of the object
8708 2006-01-16 Ben Elliston <bje@au.ibm.com>
8710 * config/i386/winnt-stubs.c: Update FSF address.
8711 * config/xtensa/ieee754-df.S: Ditto.
8712 * config/xtensa/ieee754-sf.S: Ditto.
8714 2006-01-14 Ian Lance Taylor <ian@airs.com>
8716 * ifcvt.c (noce_init_if_info): New static function, broken out of
8717 noce_process_if_block.
8718 (noce_process_if_block): Call noce_init_if_info.
8719 (check_cond_move_block): New static function.
8720 (cond_move_process_if_block): New static function.
8721 (process_if_block): Call cond_move_process_if_block.
8723 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8725 * cselib.c (hash_table): Rename to cselib_hash_table.
8726 (cselib_clear_table, discard_useless_values,
8727 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8728 cselib_init, cselib_finish): Adjust uses of hash_table.
8730 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8732 PR tree-optimization/25485
8733 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8734 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8735 is known to be false and true, respectively.
8737 2006-01-14 Richard Guenther <rguenther@suse.de>
8739 PR tree-optimization/22548
8740 PR tree-optimization/22555
8741 PR tree-optimization/22501
8742 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8743 * params.def (salias-max-array-elements): New parameter.
8744 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8745 * doc/invoke.texi (salias-max-array-elements): Document.
8746 * tree-flow-inline.h (var_can_have_subvars): We also handle
8748 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8750 * tree-ssa-structalias.c (params.h): Include.
8751 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8752 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8753 (get_constraint_for): For ADDR_EXPR operating on something
8754 containing an ARRAY_REF, add all subvars to the solution.
8755 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8756 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8757 for creating MUST_DEFs.
8758 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8760 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8762 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8764 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8765 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8766 number_of_iterations_le): New functions.
8767 (number_of_iterations_special): Removed.
8768 (number_of_iterations_exit): Do not use number_of_iterations_special.
8769 * tree.c (unsigned_type_for): Always return integer type.
8771 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8772 Richard Guenther <rguenther@suse.de>
8774 PR rtl-optimization/24257
8775 * gcse.c (find_moveable_store): Only consider a store movable
8776 when the SET_SRC of the insn can be assigned to a register.
8778 2006-01-14 Ian Lance Taylor <ian@airs.com>
8780 * tree.c (tree_not_class_check_failed): New function.
8781 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8782 (tree_not_class_check_failed): Declare.
8784 2006-01-13 Ian Lance Taylor <ian@airs.com>
8786 * reload1.c (do_output_reload): Add assertion rejecting a
8789 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8791 * combine.c (struct reg_stat): Add new fields truncation_label and
8793 (record_value_for_reg): Reset truncated_to_mode.
8794 (record_truncated_value): New function.
8795 (check_promoted_subreg): Call it. Rename to check_conversions.
8796 (combine_instructions): Rename check_promoted_subreg to
8798 (reg_truncated_to_mode): New function.
8799 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8800 (gen_lowpart_or_truncate): New function.
8801 (force_to_mode): Use it instead of gen_lowpart.
8803 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8805 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8806 VAR is a tag, not its type tag.
8808 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8810 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8811 alternatives to match style of other entries.
8812 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8814 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8816 PR tree-optimization/25771
8817 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8820 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8823 * tree-inline.c (declare_return_variable): If the return variable
8824 was marked as a non gimple complex, set the return slot variable
8825 to be a non gimple comple variable.
8827 2006-01-13 Richard Guenther <rguenther@suse.de>
8829 * builtins.c (expand_builtin_sincos): New function.
8830 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8832 (expand_builtin): Expand sincos using expand_builtin_sincos.
8834 2006-01-12 DJ Delorie <dj@redhat.com>
8836 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8837 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8838 so that constant shifts can be split.
8839 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8840 (m32c_valid_pointer_mode): Make static.
8841 (shift_gen_func_for): New.
8842 (m32c_prepare_shift): Use it. Split large const shifts into
8844 * config/m32c/predicates.md (shiftcount_operand): Allow more
8846 (longshiftcount_operand): New.
8847 * doc/md.texi (Machine Constraints): Document In6.
8849 2006-01-13 Ben Elliston <bje@au.ibm.com>
8851 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8852 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8855 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8857 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8858 to try to avoid clobbering pieces of structures when we know
8859 something about the whole structure.
8860 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8862 2006-01-13 Ben Elliston <bje@au.ibm.com>
8864 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8865 return in memory, as this is no limitation is no longer present.
8867 2006-01-12 DJ Delorie <dj@redhat.com>
8869 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8870 mova with fb, and for fb+0 -> An.
8872 * config/m32c/mov.md (peephole2): Fix enabling logic.
8874 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8875 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8876 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8877 FINI_ARRAY_SECTION_ASM_OP): Define.
8879 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8881 (m32c_legitimize_reload_address): New logic to reload FB to An.
8882 (m32c_output_reg_push): Add newline.
8883 (m32c_output_reg_pop): Likewise.
8885 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8887 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8889 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8891 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8893 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8895 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8898 2006-01-11 Ben Elliston <bje@au.ibm.com>
8900 * rtlanal.c (find_reg_note): Assert insn is not null.
8902 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8904 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8907 2006-01-11 Jeff Law <law@redhat.com>
8909 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8911 (mark_threaded_blocks, register_jump_thread): New functions.
8912 (thread_through_all_blocks): Remove unwanted argument. No
8913 longer rely on e->aux to communicate thread target info.
8914 Call mark_threaded_blocks. Release the threaded_blocks
8915 bitmap and threaded_edges vector when complete.
8916 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8917 (threaded_blocks): Remove.
8918 (tree_ssa_dominator_optimize): Remove initialization and
8919 finalization of threaded_blocks. Simplify call to
8920 thread_through_all_blocks.
8921 (thread_across_edge): Call register_jump_thread rather than
8922 storing thread information into e->aux.
8923 (free_all_edge_infos): Simplify now that e->aux is no longer
8924 used to communicate with thread_through_all_blocks.
8925 * tree-flow.h (thread_through_all_blocks): Update prototype.
8926 (register_jump_thread): Prototype.
8928 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8930 * df-core.c (df_compact_blocks, df_bb_replace): Use
8931 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8933 2006-01-11 Richard Guenther <rguenther@suse.de>
8935 PR tree-optimization/25734
8936 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8937 stop propagation after successful propagation to the LHS.
8939 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8941 * basic-block.h (control_flow_graph): Change the type of
8942 x_basic_block_info to VEC(basic_block,gc) *.
8943 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8945 (SET_BASIC_BLOCK): New.
8946 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8947 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8948 * cfgbuild.c (find_basic_blocks): Likewise.
8949 * cfglayout.c (fixup_reorder_chain): Likewise.
8950 * cfgrtl.c (create_basic_block_structure,
8951 rtl_create_basic_block): Likewise.
8952 * ifcvt.c (find_if_case_1): Likewise.
8953 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8956 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8958 * Makefile.in: Removed rotted odf.c entry.
8960 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8963 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8964 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8965 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8966 output pattern modifier, not %e.
8967 * config/cris/cris.c (cris_op_str): Update comment about pattern
8969 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8970 before falling through into...
8971 <case 'E'>: Redefined from old 'e' case.
8973 2006-01-11 Jan Hubicka <jh@suse.cz>
8976 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8978 2006-01-11 Jan Hubicka <jh@suse.cz>
8980 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8981 * i386.c (x86_decompose_lea): Kill.
8982 (ix86_rtx_costs): Kill.
8984 2006-01-11 Jan Hubicka <jh@suse.cz>
8986 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8987 * cgraph.h (cgraph_node): Add inline_decl.
8988 (cgraph_insert_node_to_hashtable): Declare.
8989 (save_inline_function_body): Declare.
8990 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8992 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8993 (cgraph_function_versioning): Update call of tree_function_versioning.
8994 (save_inline_function_body): New function.
8995 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8996 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8997 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8998 (cgraph_default_inline_p): Likewise.
8999 (cgraph_decide_inlining_incrementally): Likewise.
9000 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9001 (copy_bb): Kill saving; do updating of clones.
9002 (copy_cfg_body): Kill saving.
9003 (initialize_inlined-parameters): Likewise.
9004 (expand_call_inline): Likewise.
9006 (tree_function_versioning): New parameter "update_clones".
9007 (inlining_p): Kill saving.
9008 * tree-inline.h (tree_function_versioning): Update prototype.
9009 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9012 2006-01-11 Ian Lance Taylor <ian@airs.com>
9014 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9015 Allow undoing set of machine mode.
9016 (do_SUBST): Use enums instead of is_int.
9017 (do_SUBST_MODE): New function.
9018 (SUBST_MODE): New macro.
9019 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9020 reg and trying to replace reg_regno_rtx with a new register.
9021 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9022 (simplify_set): Use SUBST_MODE.
9023 (distribute_notes): Remove code that tried to update reg notes
9024 for regno_reg_rtx changes.
9026 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9028 PR tree-optimization/23109
9029 PR tree-optimization/23948
9030 PR tree-optimization/24123
9032 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9033 * tree-cfg.c (single_noncomplex_succ): New.
9034 * tree-flow.h (single_noncomplex_succ): Declare it.
9035 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9036 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9037 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9038 insert_bb, register_division_in, insert_reciprocals,
9039 replace_reciprocal, free_bb): New.
9040 (execute_cse_reciprocals_1): Rewritten.
9041 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9042 Do not commit any edge insertion. Always compute dominators and
9043 create the allocation pool.
9044 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9045 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9046 * targhooks.c (default_min_divistions_for_recip_mul): New.
9047 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9048 * passes.c (init_optimization_passes): Run recip after tree loop
9050 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9052 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9053 Kenneth Zadeck <zadeck@naturalbridge.com>
9055 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9056 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9057 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9058 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9059 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9060 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9061 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9062 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9063 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9064 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9065 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9066 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9067 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9068 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9069 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9070 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9071 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9072 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9073 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9074 DF_SCAN_POST_ALLOC): New macros.
9075 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9076 df_free_bb_function, df_local_compute_function, df_init_function,
9077 df_dataflow_function, df_confluence_function_0,
9078 df_confluence_function_n, df_transfer_function,
9079 df_finalizer_function, df_free_function, df_dump_problem_function,
9080 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9081 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9082 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9083 df_urec_bb_info, ) New types.
9084 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9086 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9087 df_analyze_simple_change_some_blocks,
9088 df_analyze_simple_change_one_block, df_compact_blocks,
9089 df_bb_replace, df_bb_regno_last_use_find,
9090 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9091 df_insn_regno_def_p, df_find_def, df_find_use,
9092 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9093 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9094 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9095 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9096 debug_df_chain, df_get_dependent_problem, df_chain_create,
9097 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9098 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9099 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9100 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9101 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9102 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9103 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9104 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9105 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9106 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9107 df_reorganize_refs, df_set_state, df_hard_reg_init,
9108 df_read_modify_subreg_p) New public functions.
9109 * df-core.c: The core dataflow solver and glue routines for rtl
9111 (df_init, df_add_problem, df_set_blocks, df_finish,
9112 df_hybrid_search_forward, df_hybrid_search_backward,
9113 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9114 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9115 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9116 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9117 df_reg_defined, df_find_use, df_reg_used, df_dump,
9118 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9119 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9120 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9121 debug_df_useno, reset_df_after_reload): New functions.
9122 * df-scan.c: The scanning fuctions, once in df.c, completely
9123 rewritten so that they now fully model the functionality of
9124 register usage at the backend.
9125 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9126 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9127 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9128 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9129 df_get_artificial_defs, df_get_artificial_uses,
9130 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9131 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9132 df_refs_delete, df_reorganize_refs, df_set_state,
9133 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9134 df_def_record_1, df_defs_record, df_uses_record,
9135 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9136 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9137 df_record_exit_block_uses, df_hard_reg_init): New functions.
9139 * df-problems.c: Seven concrete dataflow problems that use the
9140 scanning in df-scan.c and are solved by the engine in df-core.c.
9141 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9142 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9143 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9144 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9145 df_ru_free_bb_info, df_ru_alloc,
9146 df_ru_bb_local_compute_process_def,
9147 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9148 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9149 df_ru_transfer_function, df_ru_free, df_ru_dump,
9150 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9151 df_rd_free_bb_info, df_rd_alloc,
9152 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9153 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9154 df_rd_transfer_function, df_rd_free, df_rd_dump,
9155 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9156 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9157 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9158 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9159 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9160 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9161 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9162 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9163 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9164 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9165 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9166 df_urec_mark_reg_use_for_earlyclobber,
9167 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9168 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9169 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9170 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9171 df_chain_create_bb_process_use, df_chain_create_bb,
9172 df_chain_finalize, df_chain_free, df_chains_dump,
9173 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9174 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9175 df_reg_lifetime): New functions.
9176 * df.c: Deleted file.
9177 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9178 consistent with new df api.
9179 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9180 rest_of_handle_sms): Ditto.
9181 * web.c (unionfind_union, union_defs, entry_register, web_main):
9183 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9184 invariant_expr_equal_p, find_defs, check_dependencies,
9185 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9186 free_inv_motion_data, move_loop_invariants): Ditto.
9187 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9188 Update dependencies.
9189 (odf.c): Added defective entry that was deleted later in day.
9190 * sched-deps.c (sched_analyze_1): Ditto.
9192 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9194 * tree-ssa-operands.c (get_expr_operands): Record addressable
9195 variables directly. Do not call add_stmt_operands for CONST_DECLs
9197 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9198 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9200 2006-01-11 Ben Elliston <bje@au.ibm.com>
9202 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9203 function returns true in the positive case.
9205 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9208 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9209 for SI, DI, SF and DF modes. Add alternatives to copy between
9210 general and floating point registers to the 32-bit patterns.
9211 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9212 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9213 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9214 generating 64-bit code.
9215 * config/pa/pa.c (output_move_double): Handle copies between general
9216 and floating registers.
9218 2006-01-10 Stuart Hastings <stuart@apple.com>
9220 * config/i386/i386.md (set_got): Update.
9221 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9222 (builtin_setjmp_receiver): Mach-O support.
9223 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9224 (GOT_SYMBOL_NAME): Define.
9225 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9226 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9227 * config/i386/i386.c (override_options): Revise for Darwin.
9228 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9229 support. (darwin_x86_file_end): New. (output_set_got): Add label
9230 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9231 * config/i386/i386-protos.h (output_set_got): Likewise.
9232 * config/darwin.c (machopic_legitimize_pic_address): Update
9235 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9237 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9238 when MODE isn't BLKmode.
9240 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9242 PR rtl-optimization/25367
9243 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9245 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9248 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9249 for a negative bound.
9251 2006-01-10 Richard Guenther <rguenther@suse.de>
9253 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9254 Never override with anything constraint.
9256 2006-01-10 Jan Beulich <jbeulich@novell.com>
9258 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9259 256 bits when optimize_size.
9261 2006-01-10 Jan Beulich <jbeulich@novell.com>
9263 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9265 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9266 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9269 2006-01-10 Ben Elliston <bje@au.ibm.com>
9271 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9273 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9274 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9275 (USE_FP_FOR_ARG): Reject decimal float modes.
9276 (function_arg_advance): Likewise.
9277 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9278 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9279 point types in AltiVec vectors.
9280 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9281 (rs6000_libcall_value): Likewise.
9283 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9285 * config/xtensa/ieee754-df.S: New file.
9286 * config/xtensa/ieee754-sf.S: New file.
9287 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9288 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9289 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9291 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9293 * config/sh/predicates.md (binary_float_operator,
9294 binary_logical_operator, commutative_float_operator,
9295 equality_comparison_operator, greater_comparison_operator,
9296 less_comparison_operator, logical_operator,
9297 noncommutative_float_operator, shift_operator,
9298 symbol_ref_operand, unary_float_operator): Remove redundant
9301 2006-01-09 Jeff Law <law@redhat.com>
9303 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9304 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9305 now unused arguments. Callers updated.
9306 (eliminate_redundant_computations): Remove now unused arguments,
9308 (local_fold): Remove, no longer used.
9309 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9311 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9312 (simplify_cond): New function.
9313 (forward_propagate_into_cond): Call simplify_cond.
9315 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9317 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9318 (*vec_extractv2di_1_sse): New.
9320 2006-01-09 Ben Elliston <bje@au.ibm.com>
9322 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9324 2006-01-08 Richard Guenther <rguenther@suse.de>
9326 * tree-ssa-structalias.c (get_constraint_for): Remove
9328 (get_constraint_for_component_ref): Likewise.
9329 (do_deref): Likewise.
9330 (get_constraint_for): Likewise.
9331 (do_structure_copy): Likewise.
9332 (handle_ptr_arith): Likewise.
9333 (find_func_aliases): Likewise. Remove unused need_anyoffset
9336 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9337 Kaz Kojima <kkojima@gcc.gnu.org>
9339 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9340 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9341 (EXTRA_CONSTRAINT_C16): Remove.
9342 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9343 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9344 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9345 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9346 constants of SHmedia. Handle nested constant expressions of
9348 (andcosts): Fix the costs for SHmedia constants.
9349 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9350 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9351 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9352 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9353 (movv4hi_i, movv2si_i): Likewise.
9354 (movsi_const): Adjust the second operand of ior so to match with
9356 (movdi_const, movdi_const_32bit): Likewise.
9357 (movdi_const_16bit+1): Don't sign-extend LOW.
9358 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9360 (*double_shori): Fix the split condition. Use GEN_INT instead
9361 of get_int_mode calls. Mask lower 16-bit of the argument of
9363 (sym2GOTPLT): Remove.
9364 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9366 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9367 instead of EXTRA_CONSTRAINT_C16.
9369 2006-01-07 Ian Lance Taylor <ian@airs.com>
9370 David Edelsohn <edelsohn@gnu.org>
9372 PR rtl-optimization/25662
9373 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9374 for constant operands instead of simplify_gen_binary.
9375 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9376 after trying simplify_binary_operation
9378 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9380 * tree.c (iterative_hash_expr): Hash decls based on UID.
9382 2006-01-06 Eric Christopher <echristo@apple.com>
9384 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9385 (TARGET_UNWIND_EMIT): Fix spelling.
9386 * target.h (gcc_target): Add except_table_label.
9387 * except.c (output_function_exception_table): Use.
9388 * varasm.c (default_emit_except_table_label): New.
9389 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9391 (asm_out): Add here.
9392 * output.h (default_emit_except_table_label): Prototype.
9393 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9394 * config/darwin.c (darwin_emit_except_table_label): Define.
9395 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9397 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9399 PR tree-optimization/18527
9400 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9401 number_of_iterations_special, number_of_iterations_exit):
9402 Move base and step of an iv to a single structure. Add
9403 no_overflow flag, and use it in # of iterations analysis.
9404 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9405 folded_casts argument.
9406 (simple_iv): Pass base and step in a structure. Set no_overflow
9408 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9409 Evaluate expensiveness of computing # of iterations instead of
9410 the final expression.
9411 * tree-scalar-evolution.h (affine_iv): New structure.
9412 (simple_iv): Declaration changed.
9413 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9414 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9415 find_givs_in_stmt): Changed due to simple_iv change.
9417 2006-01-06 Jeff Law <law@redhat.com>
9420 * tree-cfg.c (bsi_replace): Rename final argument from
9421 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9422 change (stmt -> orig_stmt).
9423 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9424 (bsi_remove): Add new argument. Remove EH information
9426 (verify_eh_throw_table_statements): New function.
9427 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9429 * tree-optimize.c (execute_free_cfg_annotations): Verify
9430 the EH throw statement table after removing annotations.
9431 * except.h (verify_eh_throw_table_statements): Prototype.
9432 * tree-flow.h (bsi_remove): Update prototype.
9433 * tree-vrp.c (remove_range_assertions): Add new argument to
9435 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9436 * tree-complex.c (expand_complex_div_wide): Likewise.
9437 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9438 * tree-tailcall.c (eliminate_tailcall): Likewise.
9439 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9440 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9441 * tree-nrv.c (tree_nrv): Likewise.
9442 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9443 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9444 (combine_blocks): Likewise.
9445 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9446 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9447 (cleanup_control_flow): Likewise.
9448 (remove_forwarder_block): Likewise.
9449 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9450 * tree-sra.c (sra_replace): Likewise.
9451 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9452 (forward_propagate_single_use_vars): Likewise.
9453 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9454 * tree-inline.c (expand_call_inline): Likewise.
9455 * tree-vect-transform.c (vect_transform_loop): Likewise.
9456 * tree-outof-ssa.c (rewrite_trees): Likewise.
9457 * tree-cfg.c (make_goto_expr_edges): Likewise.
9458 (cleanup_dead_labels): Likewise.
9459 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9460 (bsi_move_before, bsi_move_after): Likewise.
9461 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9462 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9464 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9467 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9469 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9470 on non gimple variables. Also add checks at the top for decls and
9472 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9474 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9475 and IMAGPART_EXPR for creating MUST_DEFs.
9476 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9477 and NAME_MEMORY_TAG separately from the DECLs.
9479 2006-01-06 Richard Guenther <rguenther@suse.de>
9481 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9482 annotation, if necessary.
9483 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9484 redundant calls to update_stmt.
9485 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9488 2006-01-05 Richard Henderson <rth@redhat.com>
9490 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9492 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9494 * c-typeck.c: Update copyright date.
9496 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9498 * c-typeck.c (build_c_cast): Always warn when casting
9499 from a pointer to an integer of different size, even if
9500 the node was constant.
9502 2006-01-05 Richard Guenther <rguenther@suse.de>
9504 PR tree-optimization/22555
9505 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9506 if one structure field is an array.
9507 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9508 operands even if we found a subvar, but ignore VOPs in this
9510 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9512 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9514 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9517 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9519 2006-01-05 Richard Guenther <rguenther@suse.de>
9520 Diego Novillo <dnovillo@redhat.com>
9522 * tree-pass.h (TODO_remove_unused_locals): Define.
9523 * gimple-low.c (expand_var_p, remove_useless_vars,
9524 pass_remove_useless_vars): Remove. Update all users.
9525 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9526 (remove_unused_locals): New function.
9527 * tree-flow.h (remove_unused_locals): Declare.
9528 * passes.c (execute_todo): Call remove_unused_locals if
9529 TODO_remove_unused_locals is set.
9530 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9531 * tree-ssa-dce.c (pass_dce): Likewise.
9532 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9534 2006-01-05 Richard Guenther <rguenther@suse.de>
9536 * tree-flow.h (struct fieldoff): Decompose field to
9537 type, size and decl.
9538 * tree-ssa-alias.c (create_sft): Take type as parameter.
9539 (create_overlap_variables_for): Store type, size and decl
9540 in the fieldoff structure.
9541 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9543 (push_fields_onto_fieldstack): Likewise.
9544 (create_variable_info_for): Likewise. Use offset for the
9545 SFT name if the decl is not available.
9547 2006-01-04 Paul Brook <paul@codesourcery.com>
9549 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9551 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9553 * lambda-code.c (can_put_in_inner_loop): Relax
9555 (can_put_after_inner_loop): New function.
9556 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9557 (perfect_nestify): Change to make copies and modify uses.
9559 2006-01-04 Richard Henderson <rth@redhat.com>
9561 Merge from gomp branch:
9562 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9563 via integer constant.
9564 (pragma_lex): Remove.
9565 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9566 rather than parsing it.
9567 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9568 handle_pragma_extern_prefix): Add %< %> quotes.
9569 (registered_pragmas): New.
9570 (c_register_pragma_1): New.
9571 (c_register_pragma): Use it.
9572 (c_register_pragma_with_expansion): Likewise.
9573 (c_invoke_pragma_handler): New.
9574 (init_pragma): Use cpp_register_deferred_pragma directly for
9576 * c-pragma.h (enum pragma_kind): New.
9577 (pragma_handler): New.
9578 (c_invoke_pragma_handler): Declare.
9579 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9581 * c-common.h (c_common_pch_pragma): Update decl.
9582 * Makefile.in (c-parser.o): Update dependencies.
9583 (GTFILES): Add c-pragma.h.
9584 * c-parser.c (struct c_token): Add pragma_kind.
9585 (struct c_parser): Add in_pragma.
9586 (c_lex_one_token): Always initialize keyword and pragma_kind.
9587 Extract data for CPP_PRAGMA.
9588 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9589 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9590 Don't allow CPP_PRAGMA_EOL if in_pragma.
9591 (c_parser_consume_pragma): New.
9592 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9593 (c_parser_skip_to_end_of_parameter): Likewise.
9594 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9595 (c_parser_skip_to_pragma_eol): New.
9596 (c_parser_external_declaration): Handle CPP_PRAGMA.
9597 (c_parser_compound_statement_nostart): Likewise.
9598 (c_parser_statement_after_labels): Likewise.
9599 (c_parser_pragma): New.
9600 (pragma_lex): Likewise.
9601 (c_parser_pragma_pch_preprocess): New.
9602 (c_parser_new): Merge into ...
9603 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9605 2006-01-04 Jeff Law <law@redhat.com>
9608 * tree-cfg.c (bsi_replace): Remove the original statement
9609 from the EH throw statement table.
9611 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9613 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9614 make the prototype extern "C" and add throw ().
9617 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9618 and pos non-negative and pos + len <= 32.
9619 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9620 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9621 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9624 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9625 as well as sizes not multiple of component size.
9628 * function.c (instantiate_expr): New function.
9629 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9630 walk its DECL_VALUE_EXPR with instantiate_expr.
9632 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9633 DW_OP_deref{,_size} if address isn't going to be added.
9635 2006-01-04 Ben Elliston <bje@au.ibm.com>
9637 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9638 * config/fp-bit.c: Likewise.
9640 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9642 * dominance.c: Add comment about why we use DFS numbering
9645 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9646 Richard Henderson <rth@redhat.com>
9648 Merge from gomp-branch:
9649 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9650 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9652 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9654 PR rtl-optimization/25578
9655 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9656 pass a parameter to simplify_shift_const if changing ASHIFTRT
9659 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9661 * builtins.c (get_builtin_sync_mem): New function.
9662 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9663 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9664 Call get_builtin_sync_mem to generate mem rtx.
9666 2006-01-03 Richard Guenther <rguenther@suse.de>
9669 * stmt.c (add_case_node): Make sure to clear overflow flags
9672 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9674 Merge from gomp-branch.
9675 * config/sparc/sync.md: New file.
9676 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9677 UNSPECV_LDSTUB): New constants.
9678 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9679 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9680 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9683 2006-01-03 Roger Sayle <roger@eyesopen.com>
9685 * combine.c (reg_subword_p): New predicate to test whether the
9686 destination of a set refers to a subword/piece of a register.
9687 (try_combine): Generalize the code to merge the setting of a
9688 pseudo to a constant followed by a set of a subword of that
9689 register to a constant.
9691 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9693 * basic-block.h (control_flow_graph): Change the type of
9694 x_label_to_block_map to VEC(basic_block,gc) *.
9695 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9696 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9698 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9699 VEC(basic_block,heap) *.
9700 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9701 ssa_prop_fini): Adjust the uses of cfg_blocks.
9703 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9705 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9707 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9708 hashing trees instead of a pointer hash.
9709 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9710 compare for MEM_EXPR.
9712 PR rtl-optimization/25130
9713 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9714 when comparing MEMs for GCSE
9716 2006-01-03 Ben Elliston <bje@au.ibm.com>
9718 * targhooks.h (default_decimal_float_supported_p): Declare.
9719 * targhooks.c (default_decimal_float_supported_p): Define.
9720 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9721 `default_decimal_float_supported_p'.
9722 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9724 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9726 * combine.c (apply_distributive_law <SUBREG>): Check
9727 TRULY_NOOP_TRUNCATION.
9729 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9731 * dwarf2out.c (have_switched_text_section): Delete.
9732 (have_multiple_function_sections): New.
9733 (have_location_lists): Make 'bool'.
9734 (add_AT_loc_list): Use 'true' not '1'.
9735 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9736 (output_loc_list): Use have_multiple_function_sections.
9737 (output_ranges): Likewise.
9738 (dwarf2out_begin_function): Set have_multiple_function_sections if
9740 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9741 Check function_section rather than DECL_SECTION_NAME.
9742 (dwarf2out_finish): Use have_multiple_function_sections.
9743 Don't clear have_location_lists.
9745 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9746 Jan Hubicka <jh@suse.cz>
9748 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9749 case of conditional jump jumping to the next instruction.
9750 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9751 cases of conditional jump jumping to the next instruction.
9753 2006-01-02 Jan Hubicka <jh@suse.cz>
9755 * i386.c (*_cost): Add COSTS_N_INSNS.
9756 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9758 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9761 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9763 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9765 * config/arm/arm.c (all_fpus): Fix comment typo.
9766 * config/darwin.c: Likewise.
9767 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9768 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9769 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9771 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9773 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9774 (rs6000_split_compare_and_swapqhi): New.
9775 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9776 (sync_compare_and_swapqhi_internal): New.
9777 * config/rs6000/rs6000-protos.h: Declare.