1 2006-04-21 Eric Christopher <echristo@apple.com>
3 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4 in comments and function names.
6 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9 * c-typeck.c (digest_init): Robustify.
11 * c-typeck.c (pop_init_level): Simplify.
13 2006-04-21 Steve Ellcey <sje@cup.hp.com>
15 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
17 2006-04-21 Paul Brook <paul@codesourcery.com>
19 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
20 hardware floating point.
22 2006-04-21 David Edelsohn <edelsohn@gnu.org>
24 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
27 2006-04-21 Nick Clifton <nickc@redhat.com>
29 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
32 2006-04-21 Alan Modra <amodra@bigpond.net.au>
35 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
36 C++ lang type in traceback table for Objective-C++.
38 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
40 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
42 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
44 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
47 * tree-mudflap.c (mudflap_finish_file): Skip function when there
48 were errors. Remove check for erroneous objects.
50 2006-04-20 Jeff Law <law@redhat.com>
52 PR tree-optimization/26854
53 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
54 checking for zero or one use.
55 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
56 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
57 * tree-ssa-reassoc.c (negate_value): Similarly.
58 (reassociate_bb): Similarly.
60 2006-04-20 Jakub Jelinek <jakub@redhat.com>
62 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
63 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
64 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
66 2006-04-20 Alan Modra <amodra@bigpond.net.au>
68 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
69 fp regs if the last fp arg doesn't fit in regs.
71 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
74 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
75 that the last insn has the REG_INC note.
77 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
78 Nathan Sidwell <nathan@codesourcery.com>
81 * stor-layout.c (update_alignment_for_field): Do not align
83 (place_union_field): Place union field at the start of the union.
84 (place_field): Move ERROR_MARK check later, and use the current
85 allocation position to maintain monotonicity.
87 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
89 * dominance.c: Include timevar.h.
90 (calculate_dominance_info): Use TV_DOMINANCE.
91 * timevar.def (TV_DOMINANCE): New timevar.
92 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
94 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
96 PR rtl-optimization/14261
97 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
98 move would be an INSV insn.
99 (noce_process_if_block): Don't optimize if the destination is a
100 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
102 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
104 * config/s390/s390.md: Add comments with the instructions emitted
105 by an insn pattern if macros are used.
107 2006-04-19 Alan Modra <amodra@bigpond.net.au>
109 PR rtl-optimization/26026
110 * fold-const.c (fold_binary): Optimize div and mod where the divisor
111 is a known power of two shifted left a variable amount.
113 2006-04-18 Geoffrey Keating <geoffk@apple.com>
115 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
116 to hash table twice when the debug_str section has SECTION_MERGE.
118 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
120 * config/soft-fp: New directory. From glibc.
121 * config/soft-fp/t-softfp: New.
122 * config/soft-fp/README: New.
123 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
124 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
125 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
126 (LIBGCC_DEPS): Add $(SFP_MACHINE).
127 * config.gcc: Use rs6000/t-fprules-fpbit or
128 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
130 * config/rs6000/sfp-machine.h: New. Based on glibc.
131 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
133 * config/rs6000/t-fprules: Remove fp-bit rules.
134 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
135 * config/rs6000/t-linux64: Likewise. Remove duplicates from
136 LIB2FUNCS_EXTRA. Remove fp-bit rules.
137 (softfp_wrap_start, softfp_wrap_end): New.
139 2006-04-18 DJ Delorie <dj@redhat.com>
141 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
143 2006-04-18 Devang Patel <dpatel@apple.com>
145 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
147 2006-04-18 Nick Clifton <nickc@redhat.com>
149 * config/sh/t-symbian: Add rule to build sh-c.o
150 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
151 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
152 (sh_symbian_encode_section_info): Likewise.
154 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
156 * builtins.c (expand_builtin_strcmp): Cover label definition of
157 do_libcall with HAVE_cmpstrnsi.
159 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
161 * function.c (temp_slots_at_level, max_slot_level): Use VEC
163 * function.h (temp_slot_p): New.
164 (function): Change the type of x_used_temp_slots to
165 VEC(temp_slot_p,gc) *.
167 2006-04-18 Nick Clifton <nickc@redhat.com>
169 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
170 flag_strength_reduce.
172 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
174 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
178 Partial revert of revision 112637
179 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
180 Dale Johannesen <dalej@apple.com>
183 * regclass.c (struct reg_pref): Update documentation.
184 (regclass): Set prefclass to NO_REGS if memory is the best option.
185 (record_reg_classes): Cope with a prefclass set to NO_REGS.
187 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
189 PR tree-optimization/26821
190 * tree-ssa-math-opts.c (get_constant_one): New.
191 (insert_reciprocals): Use it.
193 2006-04-17 Geoffrey Keating <geoffk@apple.com>
195 * dwarf2out.c (free_AT): Delete.
196 (remove_AT): Update string ref counts.
197 (remove_child_TAG): Don't call free_die.
199 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
201 (prune_unused_types_walk_attribs): Reset string refcounts.
202 (prune_unused_types_update_strings): New.
203 (prune_unused_types_prune): Don't make unnecessary stores. Don't
204 call free_die. Do call prune_unused_types_update_strings.
205 (prune_unused_types): Empty debug_str_hash.
207 2006-04-17 Roger Sayle <roger@eyesopen.com>
209 * expr.c (expand_assignment): Optimize away no-op moves where the
210 source and destination are equal and have no side-effects.
212 2006-04-17 Richard Guenther <rguenther@suse.de>
215 * reload.c (push_reload): Guard calls to get_secondary_mem
218 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
220 * alias.c (reg_base_value, old_reg_base_value): Change the
221 type to VEC(rtx,gc) *.
222 (REG_BASE_VALUE, find_base_value, record_set,
223 init_alias_analysis): Use VEC instead of VARRAY.
225 * alias.c (alias_sets): Change the type to
226 VEC(alias_set_entry,gc) *.
227 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
228 VEC instead of VARRAY.
229 (last_alias_set): Remove.
231 * cgraph.h (cgraph_edge_p): New.
232 Update the prototype of cgraph_function_versioning.
233 * cgraphunit.c (cgraph_copy_node_for_versioning,
234 cgraph_function_versioning): Use VEC instead of VARRAY.
235 * ipa-cp.c (ipcp_insert_stage): Likewise.
237 2006-04-16 Roger Sayle <roger@eyesopen.com>
240 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
241 "A op B" or "A op C", we may need to convert A to the type of B and C.
243 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
245 * target.h (struct gcc_target): Add mode_rep_extended.
246 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
247 (init_num_sign_bit_copies_in_rep): Initialize it using
249 (truncate_to_mode): Use it.
250 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
251 * targhooks.h (default_mode_rep_extended): Declare it.
252 * targhooks.c (default_mode_rep_extended): Define it.
253 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
254 default_mode_rep_extended.
255 (TARGET_INITIALIZER): Include it.
256 * doc/tm.texi (Misc): Document it.
257 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
258 (mips_truncated_to_mode): New function.
260 2006-04-16 Roger Sayle <roger@eyesopen.com>
263 * expr.c (compress_float_constant): Copy the narrow constant into
264 a new pseudo before extending it to its final width.
266 2006-04-16 Roger Sayle <roger@eyesopen.com>
267 Andrew Pinski <pinskia@gcc.gnu.org>
268 Dale Johannesen <dalej@apple.com>
271 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
272 special case code to implement V8HImode and V16QImode with SSE2.
274 2006-04-15 Roger Sayle <roger@eyesopen.com>
276 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
277 trees are constructed with a suitable tree type.
279 2006-04-15 Roger Sayle <roger@eyesopen.com>
281 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
282 (integer_onep): Likewise.
283 (integer_all_onesp): Likewise.
284 (integer_pow2p): Likewise.
285 (integer_nonzerop): Likewise.
286 (real_zerop): Likewise.
287 (real_onep): Likewise.
288 (real_twop): Likewise.
289 (real_minus_onep): Likewise.
290 (int_size_in_bytes): Likewise.
291 (host_integerp): Likewise.
293 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
295 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
296 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
297 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
299 * tree-ssa-structalias.h (alias_info): Remove num_references.
301 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
303 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
304 (output_bvb patterns): Likewise.
305 * pa.c (output_bb): Use 'bb' insn for long branch case.
306 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
307 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
308 1. Correct length operand for alternatives 1 and 2.
309 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
310 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
312 2006-04-14 Roger Sayle <roger@eyesopen.com>
314 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
315 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
316 were accidentally reverted by r112959.
318 2006-04-15 Jakub Jelinek <jakub@redhat.com>
321 * except.h (eh_region_outermost): New prototype.
322 * except.c (eh_region_outermost): New function.
323 * tree-cfg.c (find_outermost_region_in_block): Use it.
325 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
327 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
329 * reload1.c (reg_equiv_memory_loc_varray): Rename to
330 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
331 (init_reload, reload): Use VEC instead of VARRAY.
332 * reload.h: Update the prototype for
333 reg_equiv_memory_loc_varray.
335 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
336 Eric Botcazou <ebotcazou@libertysurf.fr>
338 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
341 2005-04-13 Uros Bizjak <uros@kss-loka.si>
344 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
345 to expand fallback builtin function call.
347 2006-04-14 Alan Modra <amodra@bigpond.net.au>
350 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
351 and emit libcall here in case the builtin fails.
352 (expand_builtin_strcmp): Always emit the libcall here on failure.
354 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
356 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
357 * flow.c (reg_n_info): Change the type to
358 VEC(reg_info_p,heap) *.
359 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
361 * regs.h (reg_info_p): New.
362 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
363 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
364 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
367 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
369 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
371 * params.h (MAX_SCHED_READY_INSNS): New macro.
372 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
373 past MAX_SCHED_READY_INSNS during the first scheduling pass.
374 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
375 the ready list for 1 cycle during the first scheduling pass.
376 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
378 2006-04-13 Richard Henderson <rth@redhat.com>
381 * gimple-low.c (lower_omp_directive): Remove dead code.
382 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
383 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
384 * omp-low.c (struct omp_region): Move to tree-flow.h.
385 (root_omp_region): Export.
386 (omp_regions, lookup_omp_region): Remove.
387 (determine_parallel_type): Update for struct omp_region changes.
388 (dump_omp_region): Dump regions with block numbers.
389 (new_omp_region): Take type and block instead of stmt; malloc
391 (free_omp_region_1, free_omp_regions): New.
392 (expand_parallel_call): Take entry_stmt as argument; update for
393 changes to omp_region.
394 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
395 (remove_exit_barriers): New.
396 (expand_omp_parallel): Update for struct omp_region changes.
397 (expand_omp_synch): Likewise.
398 (expand_omp): Likewise.
399 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
400 (expand_omp_for_static_chunk): Likewise.
401 (expand_omp_for): Likewise.
402 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
403 (expand_omp_sections): Similarly, with GOMP_sections_end.
404 (expand_omp_single): New.
405 (build_omp_regions_1): Update for OMP_CONTINUE.
406 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
407 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
408 OMP_SECTIONS_SECTIONS.
409 (lower_omp_single_simple): Don't emit barrier here.
410 (lower_omp_single_copy): Likewise.
411 (lower_omp_single): Fix bindings, and lower to straightline now.
412 (lower_omp_master, lower_omp_ordered): Likewise.
413 (lower_omp_critical): Likewise.
414 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
415 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
416 omp edges, free it afterward.
417 (make_omp_sections_edges): Remove.
418 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
419 (move_stmt_r): Handle OMP_CONTINUE.
420 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
421 statement pointers to basic blocks. Add type member.
422 (root_omp_region, new_omp_region, free_omp_regions): Declare.
423 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
424 * tree-inline.c (estimate_num_insns_1): Likewise.
425 * tree-pretty-print.c (dump_generic_node): Likewise.
426 * tree-ssa-operands.c (get_expr_operands): Likewise.
427 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
428 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
430 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
431 (OMP_SECTIONS_SECTIONS): Remove.
432 (OMP_SECTION_LAST): New.
433 (OMP_RETURN_NOWAIT): New.
435 2006-04-13 Roger Sayle <roger@eyesopen.com>
437 * fold-const.c (native_encode_vector, native_interpret_real):
438 Correct obvious mistakes in the previous check-in.
440 2006-04-13 Roger Sayle <roger@eyesopen.com>
442 * fold-const.c (native_encode_expr): New function to encode
443 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
444 or VECTOR_CST into a specified buffer.
445 (native_encode_int): New function.
446 (native_encode_real): New function.
447 (native_encode_complex): New function.
448 (native_encode_vector): New function.
449 (native_interpret_expr): Inverse of native_encode_expr to convert
450 a target representation into an INTEGER_CST, REAL_CST etc...
451 (native_interpret_int): New function.
452 (native_interpret_real): New function.
453 (native_interpret_complex): New function.
454 (native_interpret_vector): New function.
455 (fold_view_convert_expr): New function to constant fold/evaluate
456 a VIEW_CONVERT_EXPR of a suitable constant expression.
457 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
458 Change call of build1 to fold_build1 when constructing a
461 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
462 Ulrich Weigand <uweigand@de.ibm.com>
465 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
468 2006-04-13 Alan Modra <amodra@bigpond.net.au>
471 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
472 optimize to lo_sum for DFmode if !TARGET_FPRS.
474 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
476 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
477 delete_alias_info, compute_flow_sensitive_aliasing,
478 group_aliases): Use VEC instead of VARRAY.
479 * tree-ssa-structalias.c (update_alias_info): Likewise.
480 * tree-ssa-structalias.h (alias_info): Change the type of
481 processed_ptrs to VEC(tree,heap) *.
483 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
486 * config/sh/lib1funcs.h: New file, broken out of:
487 * config/sh/lib1funcs.asm.
488 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
490 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
491 * config/sh/lib1funcs-Os-4-200.asm: New file.
492 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
493 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
494 (EXTRA_MULTILIB_PARTS): Include it.
495 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
496 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
497 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
498 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
501 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
503 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
504 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
505 tpa_compact, root_var_init, type_var_init): Use VEC instead of
507 * tree-ssa-live.h: Include vecprim.h.
508 (tree_partition_associator_d): Change the type of
509 first_partition to VEC(int,heap) *.
510 (tpa_first_partition): Use VEC instead of VARRAY.
512 * Makefile.in (GTFILES): Move functions.h after tree.h.
513 * function.c (reset_block_changes, record_block_change,
514 check_block_change, free_block_changes): Use VEC instead of
516 * function.h (function): Change the type of
517 ib_boundaries_block to VEC(tree,gc) *.
518 * tree-inline.c (copy_cfg_body): Initialize
519 ib_boundaries_block to NULL instead of (varray_type) 0.
521 2006-04-12 Roger Sayle <roger@eyesopen.com>
523 * expr.c (emit_group_store): Correct operand order in call to
524 subreg_lowpart_offset. Always create paradoxical SUBREGs with
525 a SUBREG_BYTE of zero.
527 2006-04-12 Richard Guenther <rguenther@suse.de>
529 * profile.c (compute_branch_probabilities): Remove code
530 encapsulated in !ir_type (), which are remanents of the
531 removed RTL profiling code.
532 * rtl-profile.c: Remove.
534 2006-04-12 Alan Modra <amodra@bigpond.net.au>
536 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
537 magic NULL_RTX comment.
538 (function_arg): Store entire fp arg to mem if any part should go
540 (rs6000_arg_partial_bytes): Adjust for above change.
542 2006-04-11 Roger Sayle <roger@eyesopen.com>
544 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
545 if it hasn't been initialized by dwarf2out_init.
547 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
549 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
550 symbolic constants in branch patterns.
552 2006-04-11 Roger Sayle <roger@eyesopen.com>
554 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
556 2006-04-11 Richard Sandiford <richard@codesourcery.com>
558 PR rtl-optimization/27073
559 * gcse.c (try_replace_reg): Revert last change. Continue to search
560 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
563 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
565 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
566 aggregate types other than record and union types.
567 (function_arg): Likewise.
568 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
570 (function_value): In 64-bit mode, return objects that require it
573 2006-04-11 Roger Sayle <roger@eyesopen.com>
575 * dwarf2out.c (premark_used_types): Remove problematic prototype.
577 2006-04-11 Jakub Jelinek <jakub@redhat.com>
579 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
581 2006-04-03 Jeff Law <law@redhat.com>
584 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
585 alias information too.
587 2006-04-10 Mike Frysinger <vapier@gentoo.org>
589 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
591 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
594 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
595 (premark_used_types_helper): New.
596 (premark_used_types): New.
597 (gen_subprogram_die): Call premark_used_types.
598 (prune_unused_types_walk): Do not prune perennial dies.
599 * function.c (used_types_insert): New.
600 * function.h (struct function): Add used_types_hash field.
601 (used_types_insert): Add prototype.
602 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
603 * c-parser.c (c_parser_cast_expression): Save casted types in used
606 2006-04-11 Mark Mitchell <mark@codesourcery.com>
609 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
610 rs6000_explicit_options.float_gprs.
612 2006-04-10 Roger Sayle <roger@eyesopen.com>
614 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
615 from ix86_expand_vector_init_low_nonzero. Take an additional
616 one_var argument indicating which element is non-zero. Support
617 one_var != 0 for V4SFmode and V4SImode by permuting the result.
618 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
619 with one_var instead of ix86_expand_vector_init_low_nonzero.
621 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
623 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
624 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
625 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
626 build/genextract.o): Depend on vecprim.h.
627 * cfglayout.c, df-problems.c, function.c, genextract.c,
628 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
629 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
633 2006-04-10 Geoffrey Keating <geoffk@apple.com>
635 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
636 Declare VECs of this type.
637 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
638 (remove_children): Delete.
639 (add_dwarf_attr): Use VEC routines.
640 (add_AT_flag): Update for changes to add_dwarf_attr.
641 (add_AT_int): Likewise.
642 (add_AT_unsigned): Likewise.
643 (add_AT_long_long): Likewise.
644 (add_AT_vec): Likewise.
645 (add_AT_string): Likewise.
646 (add_AT_die_ref): Likewise.
647 (add_AT_fde_ref): Likewise.
648 (add_AT_loc): Likewise.
649 (add_AT_loc_list): Likewise.
650 (add_AT_addr): Likewise.
651 (add_AT_lbl_id): Likewise.
652 (add_AT_lineptr): Likewise.
653 (add_AT_macptr): Likewise.
654 (add_AT_offset): Likewise.
655 (add_AT_range_list): Likewise.
656 (get_AT): Use VEC_iterate.
657 (remove_AT): Use VEC_ordered_remove.
658 (free_die): Fold remove_children into here; have it use VEC_iterate.
659 (print_die): Use VEC_iterate on attrs.
660 (reverse_die_lists): Don't reverse attr lists.
661 (die_checksum): Use VEC_iterate on attrs.
662 (same_die_p): Likewise.
663 (output_location_lists): Likewise.
664 (build_abbrev_table): Likewise.
665 (size_of_die): Likewise.
666 (unmark_all_dies): Likewise.
667 (output_abbrev_section): Likewise.
668 (output_die): Likewise.
669 (prune_unused_types_walk_attribs): Likewise.
671 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
673 * doc/install.texi (*-*-solaris2*): Point to the configure page.
675 2006-04-10 Jakub Jelinek <jakub@redhat.com>
678 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
680 2006-04-09 Roger Sayle <roger@eyesopen.com>
682 * expr.c (store_constructor): Don't bother clearing target if
683 we're about to assign a vector to it using vec_init_optab.
685 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
687 * tree-ssa-alias.c (lhs_may_store_to): New function.
688 (recalculate_used_alone): Handle LHS of calls.
690 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
694 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
695 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
696 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
697 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
698 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
699 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
700 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
701 stubs. Add ".align 8" directives before all ".dword" directives.
702 (GTHREAD_USE_WEAK): Revise comment.
703 (TARGET_ATTRIBUTE_WEAK): Define.
704 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
705 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
706 * stublib.c: New file.
711 * pa.md (cbranch patterns): Revise arguments used in calls to
712 output_cbranch, output_bb and output_bvd. Add long branch length
714 (fbranch patterns): Handle long branches.
715 (jump): Revise length check. Revise arguments for output_lbranch call.
716 Add long branch length attributes.
717 (decrement_and_branch_until_zero): Add long branch length attributes.
718 (output_movb, output_parallel_addb and output_parallel_movb patterns):
719 Likewise. Revise arguments for output_parallel_addb and
720 output_parallel_movb calls.
721 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
722 output_parallel_movb and output_parallel_addb): Update prototypes.
723 * pa.c (output_cbranch): Revise arguments. Correct handling of
724 nullification in long branches.
725 (output_lbranch): Add new argument to control extraction of delay
727 (output_bb): Handle long branches.
728 (output_bvb, output_dbra, output_movb, output_parallel_movb,
729 output_parallel_addb): Likewise.
731 2006-04-09 Richard Sandiford <richard@codesourcery.com>
733 PR rtl-optimization/27073
734 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
737 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
739 * tree.h (tree_memory_tag): Add old_used_alone.
740 (SMT_OLD_USED_ALONE): New macro.
741 * tree-ssa-alias.c (recalculate_used_alone): Stop
742 marking things for renaming unnecessarily.
744 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
746 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
747 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
748 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
749 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
750 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
751 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
752 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
753 spelling convensions.
754 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
755 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
756 typos. Follow spelling conventions.
758 2006-04-07 DJ Delorie <dj@redhat.com>
760 * config/m32c/m32c.c (m32c_function_arg): Structures are always
762 (m32c_init_cumulative_args): When a function returns a structure,
763 always pass the pointer to that return area on the stack.
764 (m32c_function_arg_advance): Don't increment the parameter number
765 if we're processing the returned structure pointer.
766 (pushm_info): Reverse order of registers.
768 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
770 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
771 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
772 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
773 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
775 * tree-chrec.c (chrec_fold_multiply_poly_poly,
776 chrec_fold_multiply): Same.
777 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
778 force_expr_to_var_cost): Same.
779 * tree-mudflap.c (mf_xform_derefs_1): Same.
780 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
782 2006-04-07 David Edelsohn <edelsohn@gnu.org>
784 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
785 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
788 2006-04-07 Jan Hubicka <jh@suse.cz>
790 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
792 2006-04-07 Richard Guenther <rguenther@suse.de>
794 PR tree-optimization/26135
795 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
796 loads for store copy-prop.
797 (copy_prop_visit_stmt): Likewise.
799 2006-04-05 Robert Millan <robertmh@gnu.org>
801 * gcc/config/i386/linux.h: Add a comment to mark macros that are
802 being overriden in config/k*bsd-gnu.h.
803 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
805 * gcc/config/knetbsd-gnu.h: Ditto.
807 2006-04-06 Jan Hubicka <jh@suse.cz>
811 * coverage.c (coverage_checksum_string): Reorganize loop to not read
814 2006-04-06 Mike Stump <mrs@apple.com>
816 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
817 for HAVE_nonlocal_goto to be consistent.
818 (expand_builtin_nonlocal_goto): Likewise.
819 (expand_builtin_strcmp): Use #ifdef instead of #if
820 for HAVE_cmpstrnsi to be consistent.
822 2006-04-05 DJ Delorie <dj@redhat.com>
824 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
827 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
829 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
830 got-relative addressing for anything but SImode.
832 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
833 even if the calling function doesn't modify them.
835 2006-04-05 Richard Guenther <rguenther@suse.de>
837 PR tree-optimization/26919
838 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
839 to cgraph_estimate_size_after_inlining.
841 2006-04-05 Alan Modra <amodra@bigpond.net.au>
843 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
845 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
847 PR tree-optimization/26996
848 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
849 VECTOR_TYPE variables.
851 2006-04-05 Richard Guenther <rguenther@suse.de>
853 PR tree-optimization/26763
854 * fold-const.c (fold_comparison): Move folding of
855 PTR + CST CMP PTR + CST ...
856 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
858 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
860 * doc/install.texi (Prerequisites): Refine some wording on
861 bootstrapping and ksh.
862 Move the version numbers of DejaGnu here from the testing section
863 and fix casing of names.
864 Fix markup and clarify wording for autogen requirements.
865 Refer to GCJ instead of just java.
866 Refer to SVN instead of CVS.
867 Describe diffutils as useful instead of necessary.
868 (Downloading the source): Refer to SVN instead of CVS.
869 Adjust a link to our web site accordingly.
870 (Configuration): Fix casing of Bison.
871 (Building): Refer to SVN instead of CVS.
872 Fix a sentence on the use of Bison and remove duplicate (and
873 incorrect) version number of Bison requirement.
874 Remove one redundant list of packages needed for building.
875 (Specific): Avoid reference to CVS.
877 2006-04-04 Eric Christopher <echristo@apple.com>
879 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
880 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
881 (rs6000_handle_struct_attribute): New.
882 (rs6000_ms_bitfield_layout_p): Ditto.
884 2006-04-04 Geoffrey Keating <geoffk@apple.com>
886 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
887 NULL for dso parameter to atexit_common.
889 2006-04-04 Eric Christopher <echristo@apple.com>
891 * config/i386/i386.c (machopic_output_stub): Output \t
892 between instructions and operands.
894 2006-04-04 David Edelsohn <edelsohn@gnu.org>
896 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
897 satisfies_constraint_[IL] to explicit tests on value.
899 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
901 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
902 set_nb_iterations_in_loop): Use build_int_cst instead of
904 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
905 build_int_cst instead of convert.
907 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
909 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
910 new value 2 for incoming.
911 * function.c (expand_function_start): Call struct_value_rtx
913 * config/sparc/sparc.md: Comment updated_return.
914 * config/sparc/sparc.opt: Add -mstd-struct-return option.
915 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
916 struct return if sparc_std_struct_return and incoming is 2.
917 (print_operand): Do not adjust return if
918 sparc_std_struct_return.
920 2006-04-04 Roger Sayle <roger@eyesopen.com>
922 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
923 convert in the middle-end.
924 * expr.c (store_expr, store_constructor, get_inner_reference,
925 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
927 * tree.c (build_range_type): Likewise.
929 2006-04-04 Tom Tromey <tromey@redhat.com>
931 * doc/install.texi (Prerequisites): Mention jar.
933 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
935 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
938 2006-04-04 Matthias Klose <doko@debian.org>
940 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
942 2006-04-03 Geoffrey Keating <geoffk@apple.com>
944 * doc/extend.texi (Function Attributes): Rewrite visibility
945 attribute documentation.
946 * doc/invoke.texi (C++ Dialect Options): Rewrite
947 -fvisibility-inlines-hidden documentation to describe something
948 entirely different, although in practise compatible.
949 (Code Gen Options): Warn about system headers in -fvisibiltity=
952 * doc/extend.texi (Other Builtins): Document that
953 __builtin_nan is a compile-time constant only when its argument
956 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
958 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
959 trying to remove TRUNCATE check if all bits outside the new mode
960 are identical to the sign bit.
962 2006-04-03 Jeff Law <law@redhat.com>
964 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
965 and operand scanning in some common cases.
967 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
968 Dale Johannesen <dalej@apple.com>
971 * regclass.c (struct reg_pref): Update documentation.
972 (regclass): Set prefclass to NO_REGS if memory is the best option.
973 (record_reg_classes): Cope with a prefclass set to NO_REGS.
974 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
975 into account. For non-registers, equate an empty preferred
976 reload class to a `!' in the constraint; move the if clause to
977 do so after those that reject the insn.
978 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
980 (find_dummy_reload): Likewise.
981 * doc/tm.texi (Register Classes): Document what it means
982 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
983 * config/i386/i386.c (ix86_preferred_reload_class): Force
984 using SSE registers (and return NO_REGS for floating-point
985 constants) if math is done with SSE.
986 (ix86_preferred_output_reload_class): New.
987 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
988 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
989 * config/i386/i386.md: Remove # register preferences.
991 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
994 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
995 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
997 (instantiate_parameters_1): Convert the operands before calling
998 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
999 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1001 2006-04-02 Roger Sayle <roger@eyesopen.com>
1003 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1004 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1006 * dojump.c (do_jump): Likewise.
1007 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1008 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1009 gimplify_boolean_expr): Likewise.
1010 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1011 * varasm.c (array_size_for_constructor): Likewise.
1012 * tree-object-size.c (compute_object_offset): Likewise.
1014 2006-04-02 Roger Sayle <roger@eyesopen.com>
1017 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1018 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1020 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1022 PR tree-optimization/26939
1023 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1025 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1027 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1028 at_stmt. Convert the type of operands before calling
1029 build_polynomial_chrec.
1030 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1032 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1033 (instantiate_parameters_1): Convert the type of operands before calling
1034 build_polynomial_chrec.
1035 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1036 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1037 reset_evolution_in_loop): Insert asserts to check the types of the
1039 (chrec_type): Moved...
1040 (eq_evolutions_p): Use operand_equal_p.
1041 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1042 the types of the operands.
1043 (chrec_type): ...here.
1044 * tree-data-ref.c (create_data_ref): Convert the operands before
1045 calling chrec_replace_initial_condition.
1046 (same_access_functions, analyze_subscript_affine_affine,
1047 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1048 (compute_subscript_distance, analyze_ziv_subscript,
1049 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1050 analyze_miv_subscript): Convert the operands before calling
1051 chrec_fold_minus or chrec_fold_plus.
1053 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1055 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1056 the dependence_relations vector.
1057 (compute_data_dependences_for_loop): Adjust call to
1058 compute_all_dependences.
1060 2006-04-01 Roger Sayle <roger@eyesopen.com>
1061 Richard Henderson <rth@redhat.com>
1063 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1064 gimple_boolify on the condition before calling gimplify_expr.
1066 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1068 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1069 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1070 the frame size. Update to use the new macros.
1071 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1072 * config/xtensa/ieee754-df.S: Likewise.
1074 2006-03-31 Richard Henderson <rth@redhat.com>
1076 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1077 (make_edges): ... here. Control fallthru creation with a local
1078 variable. Do not play with fake edges.
1079 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1080 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1083 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1085 * dwarf2.h (DW64_CIE_ID): Define.
1086 * dwarf2out.c (DWARF_CIE_ID): Define.
1087 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1088 length header. Use DWARF_CIE_ID.
1089 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1090 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1092 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1094 * config/sh/linux-atomic.asm: New file.
1095 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1097 2006-03-31 DJ Delorie <dj@redhat.com>
1099 * config/m32c/cond.md: Set condition flags properly throughout.
1100 * config/m32c/minmax.md: Likewise.
1101 * config/m32c/prologue.md: Likewise.
1102 * config/m32c/bitops.md: Likewise.
1103 * config/m32c/muldiv.md: Likewise.
1104 * config/m32c/mov.md: Likewise.
1105 * config/m32c/addsub.md: Likewise.
1106 * config/m32c/m32c.md: Likewise.
1107 * config/m32c/jump.md: Likewise.
1108 * config/m32c/shift.md: Likewise.
1110 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1111 conditionally output the pattern for this.
1112 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1113 (m32c_compare_redundant): New.
1114 (m32c_output_compare): New.
1115 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1117 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1118 dest, not src. Allow other 4-byte modes.
1120 2006-03-30 Denis Chertykov <denisc@overta.ru>
1122 * doc/md.texi: Refer to avr/constraints.md instead of
1125 2006-03-30 Roger Sayle <roger@eyesopen.com>
1127 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1128 signed vs. unsigned comparison failures on some hosts.
1130 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1133 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1134 change to FLOAT_REGS.
1136 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1137 (rs6000_override_options): Use it.
1138 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1139 only for -mabi=spe/no-spe and -mabi=altivec.
1141 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1143 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1146 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1148 * Makefile.in: Rename docdir to gcc_docdir.
1150 2006-03-30 Roger Sayle <roger@eyesopen.com>
1153 * expr.c (emit_group_store): Optimize group stores into a pseudo
1154 register by using a paradoxical subreg to initialize the destination
1155 if the first or last member of the group specifies a "low part".
1157 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1160 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1161 * target.h (struct gcc_target.speculate_insn): Change type of the
1162 second parameter to 'int'.
1163 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1164 the second operand of the DEPS_LIST.
1165 (copy_DEPS_LIST_list): Update reference to the second operand of the
1167 * rtl.h (alloc_DEPS_LIST): Update signature.
1168 * sched-int.h (ds_t): Change typedef to 'int'.
1169 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1171 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1173 * haifa-sched.c (try_ready): Change condition to restore
1174 non-speculative pattern of the instruction.
1175 (process_insn_depend_be_in_spec): Code to keep probability of the
1176 speculative dependence non-decreasing.
1178 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1180 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1181 (single_move_for_movmem): ... this. Also change all uses.
1182 (bfin_expand_strmov): Renamed to...
1183 (bfin_expand_movmem): ... this. Also change all uses.
1184 * config/bfin/bfin.md (movstrsi): Renamed to...
1185 (movstrsi): ...this.
1187 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1189 PR tree-optimization/26830
1191 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1192 (copy_prop_visit_stmt): Remove write-only variable ann.
1193 (init_copy_prop): Check variable loop depth here. Do not simulate
1194 memory-tag and virtual operand PHIs except for store copy prop.
1196 2006-03-30 Richard Guenther <rguenther@suse.de>
1198 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1199 variants with double arguments.
1201 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1203 * genpreds.c (write_tm_constrs_h): Delete variable p.
1204 * genconditions.c (write_header): Add tm-constrs.h to included
1206 * genpeep.c (main): Add toplev.h to included headers.
1207 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1208 (build/genpeep.o): Add toplev.h dependency.
1209 * config/rs6000/constraints.md: Add "W" constraint.
1211 2006-03-29 Roger Sayle <roger@eyesopen.com>
1213 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1214 sizes by correctly testing whether the size fits a host integer.
1215 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1216 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1217 SImode range for the default sizetype and bitsizetype.
1219 2006-03-29 Roger Sayle <roger@eyesopen.com>
1221 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1222 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1223 quickly if the argument is already of the correct type.
1224 Call fold_build1 instead of build1. Tidy up blank lines.
1226 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1228 * genemit.c (main): Add tm-constrs.h to included headers.
1229 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1230 * genpeep.c (main): Add tm-constrs.h to included headers.
1231 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1232 (write_tm_constrs_h): this and write complete file.
1233 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1234 (write_insn_preds_c): Add tm-constrs.h to included headers.
1235 (gen_constrs): New variable.
1236 (parse_option): Parse "-c".
1237 (main): Invoke write_tm_constrs_h.
1238 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1239 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1240 (object_out_file): Add tm-constrs.h dependency.
1241 (insn-emit.o): Same.
1242 (insn-output.o): Same.
1243 (insn-peep.o): Same.
1244 (insn-preds.o): Same.
1245 (insn-recog.o): Same.
1246 (tm-constsr.h): New target.
1247 (s-constrs-h): New target.
1249 * config/rs6000/constraints.md: New file.
1250 * config/rs6000/rs6000.c: Include tm-constrs.h.
1251 (num_insn_constant_wide): Convert to satisfies_constraint.
1252 (rs6000_rtx_costs): Convert to satisfies_constraint.
1253 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1254 (CONST_OK_FOR_LETTER_P): Delete.
1255 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1256 (EXTRA_CONSTRAINT): Delete.
1257 (EXTRA_MEMORY_CONSTRAINT): Delete.
1258 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1259 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1260 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1261 satisfies_constraint.
1263 * config/i386/i386.c: Include tm-constrs.h.
1265 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1267 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1268 * tree-data-ref.c (find_data_references_in_loop,
1269 compute_data_dependences_for_loop): Use pointers to VEC.
1270 (analyze_all_data_dependences): Adjust calls.
1271 * tree-data-ref.h (find_data_references_in_loop,
1272 compute_data_dependences_for_loop): Adjust declarations.
1273 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1274 compute_data_dependences_for_loop.
1276 2006-03-29 Paul Brook <paul@codesourcery.com>
1278 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1281 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1283 PR tree-optimization/26859
1284 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1286 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1287 for the step after fold_convert.
1289 2006-03-29 Paul Brook <paul@codesourcery.com>
1291 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1292 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1294 2006-03-29 Paul Brook <paul@codesourcery.com>
1297 * targhooks.c (default_narrow_bitfield): New fuction.
1298 * targhooks.h (default_narrow_bitfield): add prototype.
1299 * target.h (gcc_target): Add narrow_volatile_bitfield.
1300 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1301 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1302 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1303 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1305 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1307 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1309 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1310 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1311 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1312 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1313 (s390_function_arg_float): Allow SDmode and DDmode values to be
1314 passed in floating point registers.
1315 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1316 check with SCALAR_FLOAT_MODE_P.
1317 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1319 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1321 PR tree-optimization/25985
1322 * tree-ssa-loop-niter.c (number_of_iterations_le,
1323 number_of_iterations_ne): Make comments more precise.
1324 (number_of_iterations_cond): Add only_exit argument. Use the
1325 fact that signed variables do not overflow only when only_exit
1327 (loop_only_exit_p): New.
1328 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1329 number_of_iterations_cond.
1331 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1333 PR tree-optimization/26643
1334 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1337 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1339 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1340 (divsi3_i4_int): Likewise.
1342 2006-03-28 Roger Sayle <roger@eyesopen.com>
1344 * expr.c (emit_group_store): Only create a new pseudo reg if the
1345 quantity it needs to hold isn't already a suitable pseudo.
1347 2006-03-28 Jeff Law <law@redhat.com>
1349 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1350 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1352 2006-03-28 Roger Sayle <roger@eyesopen.com>
1354 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1355 the equivalent ~X & Y, and the symmetry related transformations.
1356 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1357 ~X & Y, and symmetry related transforms.
1359 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1361 Revert my 2006-03-27 patches.
1363 2006-03-28 Roger Sayle <roger@eyesopen.com>
1365 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1366 ~(T1)X, when T1 and T2 are integer types of the same precision
1367 and (T2)X isn't an extension.
1369 2006-03-28 Jeff Law <law@redhat.com>
1371 PR tree-optimization/26796
1372 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1373 need EH edge cleanups rather than purging them immediately.
1374 (eliminate_degenerate_phis): Handle queued EH cleanups.
1376 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1378 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1381 2006-03-27 Roger Sayle <roger@eyesopen.com>
1384 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1385 cast BIT_NOT_EXPR operand to the correct type.
1387 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1389 * tree-loop-linear.c: Don't include varray.h.
1390 (gather_interchange_stats, try_interchange_loops,
1391 linear_transform_loops): Use VEC instead of VARRAY.
1392 * lambda-mat.c: Don't include varray.h.
1393 * tree-chrec.c: Same.
1394 * lambda-trans.c: Same.
1395 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1396 VEC instead of VARRAY.
1397 * tree-vectorizer.h: Idem.
1398 * tree-data-ref.c (dump_data_references,
1399 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1400 initialize_data_dependence_relation, finalize_ddr_dependent,
1401 compute_all_dependences, find_data_references_in_loop,
1402 compute_data_dependences_for_loop, analyze_all_data_dependences,
1403 free_dependence_relation, free_dependence_relations,
1404 free_data_refs): Idem.
1405 * tree-data-ref.h (data_reference_p, subscript_p): New.
1406 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1407 VEC instead of VARRAY.
1408 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1409 (find_data_references_in_loop, compute_data_dependences_for_loop,
1410 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1411 dump_data_dependence_relations, free_dependence_relations,
1412 free_data_refs): Adjust declaration.
1413 (lambda_transform_legal_p): Move declaration here...
1414 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1415 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1416 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1417 vect_analyze_data_refs): Use VEC instead of VARRAY.
1418 * lambda.h (lambda_transform_legal_p): ...from here.
1419 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1420 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1421 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1422 tree-chrec.o): Don't depend on VARRAY_H.
1424 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1426 * rtl.def (Copyright): Update date.
1427 (DEPS_LIST): Change type of the second operand to 'int'.
1428 * target.h (Copyright): Update date.
1429 (struct gcc_target.speculate_insn): Change type of the second parameter
1431 * lists.c (Copyright): Update date.
1432 (alloc_DEPS_LIST): Change signature. Update reference to the second
1433 operand of the DEPS_LIST.
1434 (copy_DEPS_LIST_list): Update reference to the second operand of the
1436 * rtl.h (Copyright): Update date.
1437 (alloc_DEPS_LIST): Update signature.
1438 * sched-int.h (Copyright): Update date.
1439 (ds_t): Change typedef to 'int'.
1440 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1442 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1444 * haifa-sched.c (Copyright): Update date.
1445 (try_ready): Change condition to restore non-speculative pattern
1447 (process_insn_depend_be_in_spec): Code to keep probability of the
1448 speculative dependence non-decreasing.
1450 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1452 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1453 shut up the compiler.
1455 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1457 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1458 to use lib prefix for target.
1459 ($(T)libic_invalidate_array_4-200.a): Likewise.
1460 ($(T)libic_invalidate_array_4a.a): Likewise.
1462 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1463 J"orn Rennecke <joern.rennecke@st.com>
1465 * superh.opt: New file.
1466 * sh.c (boardtype, osruntime): Remove.
1467 * superh.h (SUBTARGET_OPTIONS): Remove.
1468 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1470 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1471 arguments with ^ and/or [].
1473 * config.gcc (sh-*-*): Add quoting to account for quirk of
1475 Replace == with = in enable_incomplete_targets test.
1477 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1478 with MASK_LITTLE_ENDIAN.
1480 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1481 * config/sh/sh.opt: Added to some comments.
1482 * config/sh/superh.h: Removed some chaff.
1484 * config/sh/sh.opt: Add m4-[1234]00* options.
1485 * config/sh/sh.c (sh_handle_option): Likewise.
1486 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1487 (ic_invalidate_array_4-100.o): New rule.
1488 ($(T)libic_invalidate_array_4-100.a): Likewise.
1489 (ic_invalidate_array_4-200.o): Likewise.
1490 ($(T)libic_invalidate_array_4-200.a): Likewise.
1491 (ic_invalidate_array_4a.o): Likewise.
1492 ($(T)libic_invalidate_array_4a.a): Likewise.
1493 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1494 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1496 * config/sh/crt1.asm: Merged in profiling code.
1497 * config/sh/superh.h (STARTFILE_SPEC): Override.
1498 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1499 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1500 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1502 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1503 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1504 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1506 * sh.opt (mpretend-cmove): New option.
1507 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1508 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1509 (movsicc): Add TARGET_PRETEND_CMOVE code.
1511 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1513 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1514 s390_class_max_nregs): New function prototypes.
1515 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1516 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1517 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1518 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1520 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1522 * dwarf2out.c (add_location_or_const_value_attribute): Call
1523 tree_add_const_value_attribute if nothing else works.
1524 (reference_to_unused): New.
1525 (rtl_for_decl_init): Use reference_to_unused to decide whether
1526 to output an initializer.
1528 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1531 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1532 peephole removing spe frob_di_df_2.
1534 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1536 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1537 (subscript_dependence_tester_1): Declared.
1538 (print_dir_vectors, print_dist_vectors): New.
1539 (debug_data_dependence_relation): New.
1540 (dump_data_dependence_relation): Print more details.
1541 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1542 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1543 (save_dist_v, save_dir_v, add_outer_distances,
1544 build_classic_dist_vector_1): New.
1545 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1546 Don't test for lambda_vector_lexico_pos.
1547 (same_access_functions, add_multivariate_self_dist,
1548 add_other_self_distances, dir_from_dist): New.
1549 (build_classic_dir_vector): Replace implementation almost identical to
1550 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1552 (subscript_dependence_tester_1): New.
1553 (subscript_dependence_tester): Handle the lexicographically negative
1554 distance vectors by recomputing the dependence relation.
1555 (compute_affine_dependence): Remove parameter loop_nest_depth.
1556 (compute_self_dependence): Don't call compute_subscript_distance.
1557 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1558 Add a parameter for the loop_nest.
1559 (find_loop_nest_1, find_loop_nest): New.
1560 (compute_data_dependences_for_loop): Compute the loop nest, and give
1561 up if the nest is not well formed.
1562 * tree-data-ref.h (loop_p): New.
1563 (struct data_dependence_relation): Replace size_vect field with
1564 loop_nest, a vec of loops.
1565 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1566 (DDR_LOOP_NEST): New.
1567 (print_dir_vectors, print_dist_vectors,
1568 debug_data_dependence_relation): Declared.
1569 (index_in_loop_nest): New.
1570 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1571 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1574 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1576 * simplify-rtx.c (simplify_relational_operation): Call
1577 simplify_relational_operation_1 even if mode is VOIDmode.
1579 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1581 PR tree-optimization/26804
1582 * tree.h (DECL_CALL_CLOBBERED): New macro.
1583 (tree_decl_common): Add call_clobbered_flag.
1584 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1585 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1586 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1587 (mark_non_addressable): Ditto.
1588 * tree-ssa.c (verify_call_clobbered): New function.
1589 (verify_alias_info): Use it.
1590 * tree-pass.h (pass_reset_cc_flags): New prototype.
1591 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1592 (reset_cc_flags): New function.
1593 * passes.c (init_optimization_passes): Call reset_cc_flags after
1594 initializing referenced_vars.
1596 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1597 Roger Sayle <roger@eyesopen.com>
1600 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1601 to 1.0 for non-real operands. Implement A / A optimization for
1604 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1606 * config/i386/i386.c (size_cost): Correct the comment for
1607 cost of storing fp registers.
1608 (i386_cost): Likewise.
1609 (i486_cost): Likewise.
1610 (pentium_cost): Likewise.
1611 (pentiumpro_cost): Likewise.
1612 (k6_cost): Likewise.
1613 (athlon_cost): Likewise.
1614 (k8_cost): Likewise.
1615 (pentium4_cost): Likewise.
1616 (nocona_cost): Likewise.
1617 (generic64_cost): Likewise.
1618 (generic32_cost): Likewise.
1620 2006-03-24 Denis Chertykov <denisc@overta.ru>
1622 * config/avr/avr-protos.h (extra_constraint): Delete.
1623 (extra_constraint_Q): New declaration.
1624 * config/avr/constraints.md: New file.
1625 * config/avr/avr.md: Include it.
1626 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1627 (TMP_REGNO, ZERO_REGNO): Likewise.
1628 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1629 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1630 (extra_constraint): Delete.
1631 (extra_constraint_Q): Test for memory constraint 'Q'.
1632 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1633 (REG_CLASS_FROM_LETTER): Delete.
1634 (CONST_OK_FOR_LETTER_P): Delete.
1635 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1636 (EXTRA_CONSTRAINT): Delete.
1637 (TMP_REGNO): Delete.
1638 (ZERO_REGNO): Delete.
1640 2006-03-24 Jeff Law <law@redhat.com>
1642 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1643 directly. Call mark_new_vars_to_rename slightly earlier.
1645 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1647 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1649 (gen_compile_unit_die): Use new language types for Objective-C and
1651 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1652 DW_LANG_C_plus_plus.
1655 * config/t-darwin (crt3.o): Work around bug 26840.
1656 * config/darwin-crt3.c: Rewrite.
1657 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1659 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1661 * doc/invoke.texi: Document -femit-class-debug-always
1662 * common.opt: Add -femit-class-debug-always.
1664 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1666 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1667 index and base register.
1668 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1669 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1670 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1671 REGNO_OK_FOR_INDEX_P.
1672 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1674 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1675 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1676 REG_OK_FOR_BASE_P): Definitions removed.
1678 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1681 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1682 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1683 set yet or weren't marked as local yet.
1685 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1687 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1690 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1692 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1693 (rs6000_legitimate_small_data_p): Delete.
1694 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1695 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1696 and make static. Add forward declaration. Update uses.
1697 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1698 of offsettable_memref_p.
1699 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1700 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1702 2006-03-24 Jeff Law <law@redhat.com>
1704 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1705 around bug in immediate-use iterator.
1707 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1710 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1711 or __LITTLE_ENDIAN__.
1713 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1715 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1716 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1717 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1718 * config/sh/sh.opt (mdiv=): Amend description.
1719 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1720 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1721 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1722 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1723 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1724 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1725 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1726 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1727 TARGET_DIVIDE_CALL_FP.
1729 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1731 * haifa-sched.c (choose_ready): Fix type of the local variable.
1732 Move local variables. Add comment.
1733 (check_reg_live): Change signature. Make callable from debugger.
1734 * sched-int.h (check_reg_live): Update signature.
1735 * sched-ebb.c (check_reg_live): Update parameters.
1736 * sched-rgn.c (check_reg_live): Ditto.
1737 (region_head_or_leaf_p): Check pointer before dereferencing.
1738 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1739 before reload on optimization levels below 1.
1741 2006-03-23 Richard Henderson <rth@redhat.com>
1743 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1747 * config/alpha/predicates.md (local_symbolic_operand): Reject
1750 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1753 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1754 expressions which have overflowed constants.
1756 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1758 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1760 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1762 * cfgloopmanip.c (create_loop_notes): Removed.
1763 * final.c (final_scan_insn): Do not handle loop notes.
1764 * jump.c (squeeze_notes): Ditto.
1765 * cfglayout.c (skip_insns_after_block,
1766 duplicate_insn_chain): Ditto.
1767 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1769 * cfgloop.h (create_loop_notes): Declaration removed.
1771 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1773 * varasm.c (output_constant_pool): Restore fnname and fndecl
1775 (assemble_start_function): Adjust call accordingly.
1776 (assemble_end_function): Likewise.
1778 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1781 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1784 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1786 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1789 * system.h (ICE_EXIT_CODE): New macro.
1790 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1791 (diagnostic_action_after_output): Likewise.
1792 * gcc.c (fatal_ice): New function.
1793 (execute): Use it instead of fatal.
1794 (fancy_abort): Likewise.
1795 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1797 2006-03-22 Jeff Law <law@redhat.com>
1799 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1800 iv_analyze_result returning false.
1802 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1804 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1806 2006-03-22 Richard Henderson <rth@redhat.com>
1809 * except.c (duplicate_eh_regions_0): New.
1810 (duplicate_eh_region_1): Duplicate the children of the node as
1811 well as the node itself. Link them up properly.
1812 (duplicate_eh_region_2): Merge into ...
1813 (duplicate_eh_regions): ... here. Take copy_region argument, and
1814 copy only a sub-tree if asked. Simplify copying and fixup.
1815 (eh_region_outer_p): New.
1816 * except.h (duplicate_eh_regions): Update decl.
1817 (eh_region_outer_p): Declare.
1818 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1819 (lower_omp_master): Likewise.
1820 (lower_omp_ordered): Likewise.
1821 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1822 (move_stmt_r): Use it to remap labels. Handle recursion vs
1823 remap_decls_p properly.
1824 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1825 (find_outermost_region_in_block): New.
1826 (new_label_mapper): New.
1827 (move_sese_region_to_fn): Copy eh information to the new function
1829 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1831 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1834 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1836 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1837 into shared libraries.
1839 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1841 * doc/md.texi: Refer to i386/constraints.md instead of
1843 * config/i386/constraints.md: New file, extracted from...
1844 * config/i386/predicates.md: ...here.
1845 * config/i386/i386.md: Include constraints.md.
1847 2006-03-21 Jason Merrill <jason@redhat.com>
1849 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1852 * expr.c (init_block_move_fn): Force default visibility.
1853 (init_block_clear_fn): Likewise.
1854 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1855 * targhooks.c (default_external_stack_protect_fail): Likewise.
1857 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1859 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1860 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1861 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1862 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1863 (loadgp): Use mips_current_loadgp_style.
1864 (loadgp_noshared): New pattern.
1865 (sibcall_internal): Use MIPS_CALL.
1866 (sibcall_value_internal): Likewise.
1867 (sibcall_value_multiple_internal): Likewise.
1868 (call_internal): Likewise.
1869 (call_value_internal): Likewise.
1870 (call_value_multiple_internal): Likewise.
1871 (call_split): Use MIPS_CALL and add an 'S' constraint.
1872 (call_value_split): Likewise.
1873 (call_value_multiple_split): Likewise.
1874 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1875 (-mshared): New option.
1876 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1877 (mips_current_loadgp_style): Declare.
1878 * config/mips/mips.c (mips_classify_symbol): Avoid using
1879 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1880 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1881 TARGET_ABSOLUTE_ABICALLS.
1882 (override_options): Adjust comments. Improve the warning that is
1883 issued when -mabicalls and -G are used together.
1884 (mips_file_start): Remove comment.
1885 (mips_current_loadgp_style): New function.
1886 (mips_gnu_local_gp): New variable.
1887 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1889 (mips_output_function_prologue): Use mips_current_laodgp_style.
1890 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1891 the cprestore instruction.
1892 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1893 live for TARGET_ABSOLUTE_ABICALLS.
1894 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1895 (ASM_SPEC): Pass down -mshared and -mno-shared.
1896 (MIPS_CALL): New macro.
1897 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1899 * doc/invoke.texi (-mabicalls): Update documentation.
1900 (-mshared): Document.
1902 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1904 * config/ia64/unwind-hpux.c: New file.
1905 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1907 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1910 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1912 2006-03-21 Jeff Law <law@redhat.com>
1914 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1915 type conversions of a VR_VARYING source to a wider type.
1917 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1919 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1920 tm_file on Solaris 10 and later.
1921 (sparc64-*-solaris2*): Likewise.
1922 (sparc-*-solaris2*): Likewise.
1923 * config/sol26.h: Rename to config/sol2-6.h.
1924 * config/sol2-10.h: New file.
1926 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1929 * tree-ssa-pre.c (create_component_ref_by_pieces):
1932 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1935 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1936 return it immediately.
1938 2006-03-21 Michael Matz <matz@suse.de>
1940 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1942 (remove_arc, add_arc): Update num_out_arcs member.
1943 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1945 (cache_presence): New function.
1946 (compare_states_for_equiv): New function.
1947 (state_is_differed): Don't take number of outargs, adjust callers.
1948 Use new invariant for speeding up.
1949 (init_equiv_class): Create initial classes based on sorted
1951 (partition_equiv_class): Don't track out_arcs_num.
1952 (evaluate_equiv_classes): Call cache_presence on all states and
1955 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1957 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1958 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1959 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1960 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1962 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1963 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1964 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1965 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1966 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1968 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1969 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1970 (REGNO_REG_CLASS): ARGP is in PREGS.
1971 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1973 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1974 to deal with those addresses.
1975 * addresses.h: New file.
1976 * caller-save.c: Include "addresses.h".
1977 (init_caller_save): Use new base_reg_class function.
1978 * rtl-factoring.c: Include "addresses.h".
1979 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1980 * recog.c: Include "addresses.h".
1981 (preprocess_constraints): Use new base_reg_class function.
1982 * regrename.c: Include "addresses.h".
1983 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1984 functions. Keep track of a new var INDEX_CODE to compute valid
1986 (replace_oldest_value_addr): Likewise.
1987 (replace_oldest_value_mem): Use base_reg_class.
1988 * reload.c: Include "addresses.h".
1989 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1990 (find_reloads): Use new base_reg_class function.
1991 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1992 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1993 all callers and prototype changed.
1994 * reload1.c: Include "addresses.h".
1995 (maybe_fix_stack_asms): Use base_reg_class.
1996 * regclass.c: Include "addresses.h".
1997 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1998 (init_reg_autoinc): Use new base_reg_class function.
1999 (record_reg_classes): Likewise.
2000 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2001 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2002 Use new args to compute necessary class.
2004 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2005 regrename.o, rtl-factoring.o): Update dependencies.
2006 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2007 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2008 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2009 REG_OK_FOR_INDEX_P): Delete documentation.
2011 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2013 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2014 from V7 to V9 for Solaris 7 and above.
2016 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2018 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2019 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2020 argument pointers may not alias any other storage.
2021 * common.opt: Define option -fargument-noalias-anything.
2022 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2023 alias semantics is specified by flag_argument_noalias > 2.
2025 2006-03-20 Jeff Law <law@redhat.com>
2027 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2028 (pass_phi_only_cprop): Declare.
2029 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2031 * tree-ssa-dom.c (degenerate_phi_result): New function.
2032 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2033 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2034 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2035 (eliminate_degenerate_phis): Likewise.
2036 (pass_phi_only_cprop): New pass descriptor.
2037 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2038 support code. Callers updated.
2039 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2040 (store_copy_prop): Likewise.
2041 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2043 2006-03-20 Jason Merrill <jason@redhat.com>
2046 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2047 (push_visibility, pop_visibility): Likewise.
2048 * c-pragma.h: Declare them.
2050 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2052 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2054 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2055 parameter and use get_ebb_head_tail.
2056 (sh_md_init_global): Adjust uses of find_regmode_weight.
2058 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2060 * function.h (struct function) <x_tail_recursion_reentry>:
2061 Rename to x_stack_check_probe_note.
2062 (tail_recursion_reentry): Rename to stack_check_probe_note.
2063 * function.c: Replace tail_recursion_reentry with
2064 stack_check_probe_note everywhere.
2065 (expand_function_start): Only emit a note for
2066 stack_check_probe_note with -fstack-protect.
2067 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2069 * emit-rtl.c (remove_unnecessary_notes): Remove.
2070 (pass_remove_unnecessary_notes): Remove.
2071 * rtl.h (remove_unnecessary_notes): Remove prototype.
2072 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2073 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2074 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2076 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2079 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2080 (valid_in_set): Handle ARRAY_REF.
2081 Change "if min_variant or VH" to asserts.
2082 (create_component_ref_by_pieces): Handle ARRAY_REF.
2083 (create_expression_by_pieces): Likewise.
2084 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2086 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2088 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2089 is operand of switch, not str[0].
2091 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2093 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2094 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2096 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2098 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2099 end of insn_extra_address_constraint declaration.
2101 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2103 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2104 (no-sum-in-toc): Same.
2105 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2107 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2108 NO_FP_IN_TOC for -fPIC instead of mask.
2110 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2111 (BOOT_LDFLAGS): Delete.
2113 * config/rs6000/t-aix52: Same.
2115 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2116 (stmsi[345678]_power): New.
2118 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2120 * config/ia64/ia64.opt: Add empty line to end of file.
2122 2006-03-17 Richard Guenther <rguenther@suse.de>
2125 * builtins.c (get_pointer_alignment): For component style references
2126 adjust alignment to the component type alignment. Make sure
2127 to adjust alignment for component access of constants.
2129 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2131 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2134 2006-03-17 Paul Brook <paul@codesourcery.com>
2136 * doc/install.texi: Docuemnt --with-mode.
2137 * config.gcc: Add --with-mode for arm*-*-*.
2138 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2140 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2142 * sh.c (max_labelno_before_reorg): New variable.
2143 (sh_reorg): Initialize it.
2144 (find_barrier): Check max_labelno_before_reorg before using
2145 label_to_alignment. Take length of explicit alignment insns
2146 into account. When seeing a UNSPECV_CONST_END, return it.
2148 * sh.c (fixup_mova): Set mode of affected label to QImode.
2149 (untangle_mova): New function.
2150 (find_barrier): Use it. Check mode of label before decrementing
2152 (sh_reorg): Likewise.
2153 Set mode of all insns back to VOIDmode.
2155 * sh.c (MOVA_LABELREF): New macro.
2156 (mova_p, fixup_mova, sh_reorg): Use it.
2157 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2158 ADDR_DIFF_VEC matches mova.
2160 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2162 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2163 with ATTRIBUTE_UNUSED.
2165 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2167 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2168 pointer, instead of assuming it is possible to derive the
2169 correct args size from a call insn.
2171 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2173 * rtl.h (CONST_INT_P): Define.
2174 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2175 instead of GET_CODE(x) == CONST_INT.
2176 (vax_rtx_costs): Likewise.
2177 (vax_output_int_move): Likewise.
2178 (vax_output_int_add): Likewise.
2179 (legitimate_constant_address_p): Likewise.
2180 (index_term_p): Likewise.
2181 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2182 * config/vax/vax.md (and<mode>3): Likewise.
2183 (ashrsi3): Likewise.
2185 (movstricthi): Likewise.
2186 (movstrictqi): Likewise.
2187 (rotrsi3): Likewise.
2188 (five unnamed insns): Likewise.
2190 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2192 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2193 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2194 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2195 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2196 Pass to ASM_OUTPUT_DWARF_OFFSET.
2197 * dwarf2out.c (debug_frame_section): New.
2198 (output_call_frame_info): Use debug_frame_section. Pass it to
2199 dw2_asm_output_offset.
2200 (output_die): Pass appropriate section to dw2_asm_output_offset.
2201 (output_compilation_unit_header): Likewise.
2202 (output_pubnames): Likewise.
2203 (output_aranges): Likewise.
2204 (enum dw_val_class): Break dw_val_class_lbl_offset into
2205 dw_val_class_lineptr and dw_val_class_macptr.
2206 (add_AT_lbl_offset): Delete.
2207 (add_AT_lineptr): New.
2208 (add_AT_macptr): New.
2209 (AT_lbl): Expect a lineptr or macptr.
2210 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2211 (attr_checksum): Likewise.
2212 (same_dw_val_p): Likewise.
2213 (size_of_die): Likewise.
2214 (value_format): Likewise.
2215 (output_die): Likewise.
2216 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2218 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2219 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2220 * config/darwin-protos.h (darwin_file_start): New.
2221 (darwin_asm_output_dwarf_offset): New.
2222 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2223 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2225 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2226 if not EH section; simplify.
2227 (darwin_file_start): New.
2228 (darwin_asm_output_dwarf_offset): New.
2229 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2231 (DEBUG_INFO_SECTION): Likewise.
2232 (DEBUG_ABBREV_SECTION): Likewise.
2233 (DEBUG_ARANGES_SECTION): Likewise.
2234 (DEBUG_MACINFO_SECTION): Likewise.
2235 (DEBUG_LINE_SECTION): Likewise.
2236 (DEBUG_LOC_SECTION): Likewise.
2237 (DEBUG_PUBNAMES_SECTION): Likewise.
2238 (DEBUG_STR_SECTION): Likewise.
2239 (DEBUG_RANGES_SECTION): Likewise.
2240 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2241 (ASM_OUTPUT_DWARF_OFFSET): New.
2243 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2245 * config.gcc (tm_defines): Always add to previous value rather
2248 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2250 * config/mips/predicates.md (splittable_const_int_operand): New,
2251 split from move_operand.
2252 (splittable_symbolic_operand): New.
2253 (move_operand): Add commentary. Use splittable_const_int_operand.
2254 Inline mips_atomic_symbolic_constant_p.
2255 * config/mips/mips.md: Add combine splitters for handling moves
2256 of splittable_const_int_operands and splittable_symbolic_operands.
2257 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2258 (mips_split_symbol): Declare.
2259 (mips_move_integer): Declare.
2260 * config/mips/mips.c (mips_split_p): Make global.
2261 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2262 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2263 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2264 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2265 (mips_offset_within_object_p): Handle block symbols.
2266 (mips_atomic_symbolic_constant_p): Delete.
2267 (mips_cannot_force_const_mem): Return false for constants that
2268 mips_legitimize_move can handle.
2269 (mips_use_blocks_for_constant_p): New function.
2270 (mips_split_symbol): Make global.
2271 (mips_move_integer): Likewise. Add a temporary register argument.
2272 (mips_legitimize_const_move): Use splittable_const_int_operand and
2273 splittable_symbolic_operand.
2274 (mips_use_anchors_for_symbol_p): New function.
2275 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2276 (mips_split_p): Declare.
2278 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2280 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2281 (mips*-*-linux*): Likewise.
2283 2006-03-16 Roger Sayle <roger@eyesopen.com>
2284 Daniel Speyer <dspeyer@wam.umd.edu>
2287 * tree-dump.c (dump_real): New function.
2288 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2289 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2290 (tree-dump.o): Add $(REAL_H) to the dependencies.
2292 2006-03-16 Roger Sayle <roger@eyesopen.com>
2295 * real.c (real_from_string): If the mantissa is zero, don't bother
2296 parsing the exponent as the result should always be zero.
2298 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2300 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2302 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2304 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2305 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2306 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2307 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2308 ia64_sched_finish_global): New static functions to implement
2309 hooks from gcc_target.sched.
2310 (spec_check_no, max_uid, pending_data_specs): New static variables.
2311 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2312 ia64_spec_check_src_p): New static functions.
2313 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2314 (TARGET_SCHED_ADJUST_COST): Removed.
2315 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2316 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2317 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2318 TARGET_SCHED_GEN_CHECK,
2319 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2320 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2321 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2322 Fixed to handle speculation checks.
2323 (rtx_needs_barrier): Fixed to handle speculative loads and
2325 (ia64_variable_issue): Added code to count speculative loads and their
2327 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2329 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2331 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2333 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2334 (ia64_reorg): Reset stops_p to NULL after it is freed.
2335 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2336 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2337 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2339 (data_speculative, control_speculative, check_load): New attributes.
2340 (mov<mode>_advanced, mov<mode>_speculative,
2341 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2342 zero_extend<mode>di2_speculative,
2343 zero_extend<mode>di2_speculative_advanced): New patterns for
2344 data and control speculative loads.
2345 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2347 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2348 New pattern for data and control speculation checks.
2349 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2350 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2351 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2352 Auxiliary definitions for the patterns.
2353 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2354 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2356 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2358 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2359 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2360 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2361 New resource constraints.
2362 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2364 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2365 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2366 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2367 msched-in-control-spec, msched-ldc, msched-control-ldc,
2368 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2369 msched-prefer-non-control-spec-insns,
2370 msched-count-spec-in-critical-path): New flags to tune speculative
2372 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2373 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2374 msched-in-control-spec, msched-ldc, msched-control-ldc,
2375 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2376 msched-prefer-non-control-spec-insns,
2377 msched-count-spec-in-critical-path): Document new flags.
2379 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2381 * target.h (struct spec_info_def): New opaque declaration.
2382 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2383 speculate_insn, needs_block_p, gen_check,
2384 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2385 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2386 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2387 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2388 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2389 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2391 (TARGET_SCHED): Use new macros.
2392 * rtl.h (copy_DEPS_LIST_list): New prototype.
2393 * sched-int.h (struct sched_info): Change signature of new_ready field,
2394 adjust all initializations. New fields: add_remove_insn,
2395 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2396 region_head_or_leaf_p.
2397 (struct spec_info_def): New structure declaration.
2398 (spec_info_t): New typedef.
2399 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2400 recovery_block, orig_pat.
2401 (glat_start, glat_end): New variables declaraions.
2402 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2404 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2405 DETACH_LIFE_INFO, USE_GLAT.
2406 (enum SPEC_SCHED_FLAGS): New enumeration.
2407 (NOTE_NOTE_BB_P): New macro.
2408 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2409 attach_life_info, debug_spec_status, check_reg_live): New functions.
2410 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2411 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2413 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2414 * ddg.c (get_block_head_tail): Adjust all uses.
2415 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2416 (sms_sched_info): Initialize new fields.
2417 (contributes_to_priority): Removed.
2418 * haifa-sched.c (params.h): New include.
2419 (get_block_head_tail): Adjust all uses.
2420 (ISSUE_POINTS): New macro.
2421 (glat_start, glat_end): New global variables.
2422 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2423 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2424 old_last_basic_block, before_recovery, current_sched_info_var,
2425 rgn_n_insns, luid): New static variables.
2426 (insn_cost1): New function. Move logic from insn_cost to here.
2427 (find_insn_reg_weight1): New function. Move logic from
2428 find_insn_reg_weight to here.
2429 (reemit_notes, move_insn, max_issue): Change signature.
2430 (move_insn1): Removed.
2431 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2432 extend_bb): New static functions to support extension of scheduler's
2434 (generate_recovery_code, process_insn_depend_be_in_spec,
2435 begin_speculative_block, add_to_speculative_block,
2436 init_before_recovery, create_recovery_block, create_check_block_twin,
2437 fix_recovery_deps): New static functions to support
2438 generation of recovery code.
2439 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2440 restore_bb_notes, move_block_after_check, move_succs): New static
2441 functions to support ebb scheduling.
2442 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2443 functions to support handling of register live information.
2444 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2445 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2446 add_jump_dependencies): New static functions.
2447 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2448 consistancy checking.
2449 (debug_spec_status): New function to call from debugger.
2450 (priority): Added code to handle speculation checks.
2451 (rank_for_schedule): Added code to distinguish speculative instructions.
2452 (schedule_insn): Added code to handle speculation checks.
2453 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2454 Fixed to handle ebbs.
2455 (move_insn): Added code to handle ebb scheduling.
2456 (max_issue): Added code to use ISSUE_POINTS of instructions.
2457 (choose_ready): Added code to choose between speculative and
2458 non-speculative instructions.
2459 (schedule_block): Added code to handle ebb scheduling and scheduling of
2460 speculative instructions.
2461 (sched_init): Initialize new variables.
2462 (sched_finish): Free new variables. Print statistics.
2463 (try_ready): Added code to handle speculative instructions.
2464 * lists.c (copy_DEPS_LIST_list): New function.
2465 * sched-deps.c (extend_dependency_caches): New function. Move logic
2466 from create_dependency_caches to here.
2467 (get_dep_weak, ds_merge): Make global.
2468 * genattr.c (main): Code to output prototype for
2469 dfa_clear_single_insn_cache.
2470 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2471 (output_dfa_clean_insn_cache_func): Code to output
2472 dfa_clear_single_insn_cache function.
2473 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2475 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2477 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2478 New static variables.
2479 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2480 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2482 (ebb_sched_info): Initialize new fields.
2483 (get_block_head_tail): Adjust all uses.
2484 (compute_jump_reg_dependencies): Fixed to use glat_start.
2485 (schedule_ebb): Code to remove unreachable last block.
2486 (schedule_ebbs): Added code to update register live information.
2487 * sched-rgn.c (region_sched_info): Initialize new fields.
2488 (get_block_head_tail): Adjust all uses.
2489 (last_was_jump): Removed. Adjust users.
2490 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2491 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2492 Implement new hooks.
2493 (check_dead_notes1): New static function.
2494 (struct region): New fields: dont_calc_deps, has_real_ebb.
2495 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2496 (BB_TO_BLOCK): Fixed to handle EBBs.
2497 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2498 (ebb_head): New static variable.
2499 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2500 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2502 (compute_dom_prob_ps): New assertion.
2503 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2504 global_live_at_start.
2505 (init_ready_list): New assertions.
2506 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2507 (new_ready): Add support for BEGIN_CONTROL speculation.
2508 (schedule_insns): Fixed code that updates register live information
2510 (schedule_region): Fixed to handle EBBs.
2511 (init_regions): Use extend_regions and check_dead_notes1.
2512 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2513 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2514 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2515 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2516 TARGET_SCHED_GEN_CHECK,
2517 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2518 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2519 * doc/invoke.texi (max-sched-insn-conflict-delay,
2520 sched-spec-prob-cutoff): Document.
2522 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2524 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2525 inter_tick, queue_index.
2526 (struct sched_info): Change signature of init_ready_list field.
2527 Adjust all initializations.
2528 (RESOLVED_DEPS): New access macro.
2529 (ready_add): Remove prototype.
2530 (try_ready): Add prototype.
2531 * sched-rgn.c (init_ready_list): Use try_ready.
2532 (schedule_region): Initialize
2533 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2534 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2535 (init_ready_list): Use try_ready.
2536 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2537 * lists.c (remove_list_elem): Remove `static'.
2538 (remove_free_INSN_LIST_elem): New function.
2539 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2540 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2541 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2543 (readyp): New variable.
2544 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2545 change_queue_index, resolve_dep): New static functions.
2546 (try_ready): New function. Adjust callers in sched-rgn.c and
2547 sched-ebb.c to use it instead of ready_add.
2548 (clock_var): Move at the begining of file.
2549 (rank_for_schedule): Fix typo.
2550 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2551 (ready_lastpos): Enforce assertion.
2552 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2554 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2555 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2556 (queue_to_ready): Use free_INSN_LIST_list.
2557 (early_queue_to_ready): Fix typo.
2558 (schedule_block): Init readyp. Move init_ready_list call after the
2559 initialization of clock_var. Fix error in rejecting insn by
2560 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2561 that previously corrected INSN_TICKs. Add code for handling
2563 (set_priorities): Fix typo.
2564 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2565 Clarify comment and code that keeps current_sched_info->next_tail
2568 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2570 * sched-rgn.c (extend_rgns): New static function.
2571 (find_rgns): Use it.
2572 (gather_region_statistics, print_region_statistics): New static
2574 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2575 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2577 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2578 Andrey Belevantsev <abel@ispras.ru>
2580 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2581 * lists.c (unused_deps_list): New variable.
2582 (free_list): Add assertions to verify the proper distinguishing
2583 between INSN_LISTs and DEPS_LISTs.
2584 (find_list_elem, remove_list_elem, remove_list_node): New static
2586 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2587 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2588 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2589 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2591 (free_INSN_LIST_node): Likewise.
2592 * modulo-sched.c (current_sched_info): Initialize flags field.
2593 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2594 * rtl.def (DEPS_LIST): Define.
2595 * rtl.h: Declare new functions from lists.c.
2596 * sched-deps.c (spec_dependency_cache): New static variable.
2597 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2598 (add_dependence): Change return type to void. Move the logic to ...
2599 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2600 (delete_all_dependences): Add comment about forward_dependency_cache.
2601 Handle spec_dependency_cache. Handle DEPS_LISTs.
2602 (fixup_sched_groups): Clarify the change of priority of output
2603 and anti dependencies.
2604 (sched_analyze_2): Adjust add_dependence calls to create data
2605 speculative dependence.
2606 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2607 Adjust all callers. Handle DEPS_LISTS.
2608 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2609 presence of speculation.
2610 (init_dependency_caches, free_dependency_caches):
2611 Handle spec_dependency_cache.
2612 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2613 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2614 New static functions.
2615 (add_or_update_back_dep, add_or_update_back_forw_dep,
2616 add_back_forw_dep, delete_back_forw_dep): New functions.
2617 * sched-int.h (ds_t, dw_t): New typedefs.
2618 (struct sched_info): Add new field flags.
2619 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2620 Prototype new sched-deps.c functions.
2621 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2622 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2623 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2624 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2625 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2626 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2628 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2630 * sched-rgn.c (current_sched_info): Initialize flags field.
2631 (schedule_insns): Initialize current_sched_info before the sched_init
2633 * sched-ebb.c (current_sched_info): Initialize flags field.
2634 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2635 Call add_or_update_back_dep instead of add_dependence.
2636 Create control speculative dependencies.
2637 (schedule_insns): Initialize current_sched_info before the sched_init
2640 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2642 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2644 (sh_fallback_frame_state): Likewise.
2646 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2648 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2649 Do switch on default_use_cxa_atexit.
2650 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2651 * config/darwin-crt3.o: New.
2652 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2653 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2654 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2656 * config/rs6000/t-darwin: Move crt2.o building to here.
2657 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2658 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2661 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2663 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2664 from '! xxx' to '!xxx' for coding-style conformance.
2665 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2666 (EXTRA_CONSTRAINT): Likewise.
2667 * config/vax/vax.md (four unnamed insns): Likewise.
2669 2006-03-15 Paul Brook <paul@codesourcery.com>
2671 * config/arm/arm.c (minipool_pad): New.
2672 (add_minipool_forward_ref): Include pool alignment padding in address
2674 (push_minipool_fix): Set minipool_pad.
2675 (minipool_pad): Ditto.
2677 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2679 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2680 instead of GET_CODE() == MEM and REG_P() instead of
2682 (print_operand_address): Likewise.
2683 (vax_address_cost): Likewise.
2684 (vax_rtx_costs): Likewise.
2685 (vax_notice_update_cc): Likewise.
2686 (vax_output_int_add): Likewise.
2687 (INDEX_REGISTER_P): Likewise.
2688 (BASE_REGISTER_P): Likewise.
2689 (nonindexed_address_p): Likewise.
2690 (vax_mode_dependent_address_p): Likewise.
2691 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2692 (PRINT_OPERAND): Likewise.
2693 * config/vax/vax.md (ashlsi3): Likewise.
2694 (ashlsi3): Likewise.
2695 (some more unnamed insns): Likewise.
2697 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2699 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2700 iterator-style macro.
2701 (mark_control_dependent_edges_necessary): Update the use of
2702 EXECUTE_IF_CONTROL_DEPENDENT.
2704 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2706 * config/sh/predicates.md (cache_address_operand): Special.
2707 (ua_address_operand): Likewise.
2709 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2711 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2713 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2715 2006-03-15 Andreas Schwab <schwab@suse.de>
2717 * gensupport.c (identify_predicable_attribute): Don't free p_false
2718 when it is still in use.
2720 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2722 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2723 the default setting here.
2725 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2727 * tree-pass.h (pass_cfg): Remove.
2728 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2729 * passes.c (pass_cfg): Don't run it.
2731 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2733 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2734 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2736 (stack_regs_mentioned): Update the uses of
2737 stack_regs_mentioned_data. Don't access the array beyond its
2739 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2740 Don't include gt-reg-stack.h.
2742 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2743 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2745 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2748 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2751 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2753 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2755 2006-03-14 Richard Guenther <rguenther@suse.de>
2757 PR tree-optimization/26672
2758 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2761 2006-03-14 Richard Guenther <rguenther@suse.de>
2763 PR tree-optimization/26667
2764 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2765 node for the callees. Always allow inlining if it will shrink
2768 2006-03-14 Richard Guenther <rguenther@suse.de>
2771 * builtins.c (get_pointer_alignment): Prefer alignment
2772 information from decls over that from types.
2774 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2777 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2779 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2781 * config/rs6000/rs6000.opt (mdlmzb): New option.
2782 (msched-prolog, msched-epilog): Use Var not Mask.
2783 * doc/invoke.texi (-mdlmzb): Document.
2784 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2786 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2787 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2789 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2791 PR rtl-optimization/25739
2792 * bt-load.c (augment_live_range): Free tos pointer.
2794 * gensupport.c (identify_predicable_attribute): Free
2796 * gcov.c (create_file_names): Free name pointer.
2798 2006-03-13 Roger Sayle <roger@eyesopen.com>
2801 * stmt.c (emit_case_nodes): Handle the case where the index is a
2802 CONST_INT, where the comparison mode is specified by the index type.
2804 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2806 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2809 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2811 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2812 (*branch_fp_inverted): Likewise.
2814 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2817 * omp-low.c (expand_omp_for_generic): Mark istart0
2818 and iend0 as addressable.
2820 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2822 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2824 2006-03-13 Jeff Law <law@redhat.com>
2826 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2827 virtual operands are interesting.
2828 (vrp_visit_stmt): Corresponding changes.
2830 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2832 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2834 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2835 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2836 * config/bfin/crti.S: Use it instead of __PIC__.
2837 * config/bfin/crtn.S: Likewise.
2839 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2840 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2842 Lose 'G' modifier for call operand.
2843 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2844 recognize 'G' modifier.
2846 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2849 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2850 * stmt.c (expand_case): Likewise.
2852 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2854 PR rtl-optimization/26254
2855 * loop-invariant.c (seq_insns_valid_p): New function.
2856 (move_invariant_reg): Only emit new code if it is valid.
2858 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2860 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2862 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2863 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2864 (commit_one_edge_insertion): Do not look for loop notes.
2866 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2868 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2869 flag_test_coverage out of loop.
2871 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2873 * final.c (shorten_branches): Remove outdated comment, and turn
2874 the if branch that guards it to continue.
2876 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2878 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2879 * cfgloop.h (struct loop): Remove unused fields.
2881 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2883 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2884 (-dL, -fdump-rtl-loop2): Update the dump file names
2886 * doc/invoke.texi: Update dump file names.
2888 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2890 * predict.c (estimate_probability): Remove.
2891 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2892 * basic-block.h (estimate_probability): Remove prototype.
2893 * passes.c (finish_optimization_passes): Dump branch prediction or
2894 profiling heuristics to the .profile tree dump.
2895 (init_optimization_passes): Unqueue pass_branch_prob.
2897 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2899 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2901 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2902 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2904 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2906 * function.h (frame_offset_overflow): Declare.
2907 * function.c (frame_offset_overflow): New function.
2908 (assign_stack_local_1): Call it to detect that the offset overflows.
2909 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2911 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2913 * config/sh/sh.c: Include alloc-pool.h.
2914 (label_ref_list_pool): New alloc pool.
2915 (label_ref_list_t): New type for lists of labels.
2916 (struct pool_node): Make wend a label_ref_list_t.
2917 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2919 (dump_table): Likewise.
2920 (sh_reorg): Set up the alloc pool before using add_constant and
2921 dump_table, and destroy it when finishing.
2923 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2925 * config/mips/mips.c: Remove redundant comment.
2927 2006-03-10 Jason Merrill <jason@redhat.com>
2930 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2931 the target was declared 'register'.
2933 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2935 * genpreds.c (write_insn_constraint_len): Change definition of
2936 insn_constraint_len to return size_t to match the declaration.
2938 2006-03-10 DJ Delorie <dj@redhat.com>
2940 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2942 (m32c_expand_insv): Fix test for an AND mask.
2944 2006-03-10 Richard Guenther <rguenther@suse.de>
2947 * builtins.c (get_pointer_alignment): Handle component
2948 references for field alignment.
2950 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2952 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2953 when building with libgloss.
2954 (sh*elf): Implement --without-fp option.
2955 (sh64-superh-linux*): Don't multilib.
2957 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2959 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2961 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2963 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2964 Set it when one of the replacement functions returned true.
2965 Return TODO_cleanup_cfg if cfgchanged is true.
2966 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2968 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2970 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2971 instead of gen_lowpart.
2973 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2975 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2977 (mips_output_order_conditional_branch): Declare.
2978 * config/mips/mips.h (MIPS_BRANCH): New macro.
2979 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2980 for the comparison. Use gen_condjump.
2981 (mips_output_conditional_branch): Rework interface to take the
2982 asm templates for a direct branch and the inverse of a direct branch.
2983 (mips_output_order_conditional_branch): New function.
2984 (mips_builtin_branch_and_move): New function.
2985 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2986 branch condition. Use gen_single_cc as the condition for
2987 __builtin_mips_upper_* or __builtin_mips_lower_*.
2988 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2989 Use VOIDmode for the branch condition.
2990 * config/mips/predicates.md (order_operator): New predicate.
2991 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2992 (branch_fp): Rename to...
2993 (*branch_fp): ...this. Remove mode from comparison operator.
2994 Use new mips_output_conditional_branch interface.
2995 (branch_fp_inverted): Rename to...
2996 (*branch_fp_inverted): ...this and update as for *branch_fp.
2997 (*branch_zero<mode>): Rename to...
2998 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2999 Use mips_output_order_conditional_branch. Only accept ordered
3001 (*branch_zero<mode>_inverted): Rename to...
3002 (*branch_order<mode>_inverted): ...this and update as for
3003 *branch_order<mode>.
3004 (*branch_equality<mode>): Accept zero as the second operand to
3005 the equality operator. Use the new mips_output_conditional_branch
3007 (*branch_equality<mode>_inverted): Likewise.
3008 (condjump): New expander.
3009 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3011 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3012 (bc1any2t, bc1any2f): Likewise.
3013 (single_cc): New expander.
3014 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3016 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3018 * doc/md.texi: Update documentation of MIPS constraints.
3019 * config/mips/constraints.md: New file.
3020 * config/mips/mips.md: Include it.
3021 * config/mips/mips.c (mips_char_to_class): Delete.
3022 (override_options): Don't initialize mips_char_to_class.
3023 * config/mips/mips.h (mips_char_to_class): Delete.
3024 (REG_CLASS_FROM_LETTER): Delete.
3025 (CONST_OK_FOR_LETTER_P): Delete.
3026 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3027 (EXTRA_CONSTRAINT_Y): Delete.
3028 (EXTRA_CONSTRAINT_STR): Delete.
3029 (CONSTRAINT_LEN): Delete.
3030 (EXTRA_MEMORY_CONSTRAINT): Delete.
3032 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3034 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3035 original fn's eh regions.
3037 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3039 * fold-const.c (build_range_check): Make sure to use a valid type to
3040 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3043 (range_predecessor): New static function.
3044 (range_successor): Likewise.
3045 (merge_ranges): Use them to compute predecessors and successors of
3048 2006-03-09 Roger Sayle <roger@eyesopen.com>
3051 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3052 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3054 2006-03-08 DJ Delorie <dj@redhat.com>
3056 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3057 (addpsi3): Expand to include memory operands. Remove
3058 reload-specific splits.
3059 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3060 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3061 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3062 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3063 (shift1_qi, shift1_hi, insv): New.
3064 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3065 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3066 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3068 * config/m32c/m32c-protos.h: Update as needed.
3069 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3070 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3071 Fail for unrecognized R* constraints.
3072 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3073 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3074 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3076 (m32c_init_libfuncs): New.
3077 (m32c_legitimate_address_p): Add debug wrapper.
3078 (m32c_rtx_costs): New.
3079 (m32c_address_cost): New.
3080 (conversions): Add 'B' prefix.
3081 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3082 operands, or word regnames for QI operands. 'B' prints bit
3084 (m32c_expand_setmemhi): New.
3085 (m32c_expand_movmemhi): New.
3086 (m32c_expand_movstr): New.
3087 (m32c_expand_cmpstr): New.
3088 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3089 (m32c_expand_neg_mulpsi3): Handle non-ints.
3090 (m32c_cmp_flg_0): New.
3091 (m32c_expand_movcc): New.
3092 (m32c_expand_insv): New.
3093 (m32c_scc_pattern): New.
3094 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3095 a0/a1 out of SIregs.
3096 (STORE_FLAG_VALUE): New.
3097 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3100 * config/m32c/mov.md: Make constraints more liberal.
3101 (zero_extendqihi2): Optimize r0/r1 case.
3102 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3103 * config/m32c/predicates.md (m32c_any_operand): New.
3104 (m32c_nonimmediate_operand): New.
3105 (m32c_hl_operand): New.
3106 (m32c_r3_operand): New.
3109 (memsym_operand): New.
3110 (memimmed_operand): New.
3111 (a_qi_operand): New.
3112 (m32c_eqne_operator): New.
3113 (m32c_1bit8_operand): New.
3114 (m32c_1bit16_operand): New.
3115 (m32c_1mask8_operand): New.
3116 (m32c_1mask16_operand): New.
3117 * config/m32c/blkmov.md: New file.
3118 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3120 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3122 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3123 unsigned to fix signed/unsigned comparison issue in
3124 DWARF2_FRAME_REG_OUT.
3125 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3126 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3128 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3129 of ptr into the ENABLE_CHECKING section.
3131 2006-03-08 Jeff Law <law@redhat.com>
3133 * tree-vrp.c (infer_value_range): Only count pointer uses
3134 and dereferences if -fdelete-null-pointer-checks is enabled.
3136 * tree-vrp.c (find_assert_locations): Infer value ranges for
3137 single use pointers, but do not create ASSERT_EXPRs for them.
3138 When a non-null range is inferred for a pointer, backwards
3139 propagate that range to other equivalent pointers through the
3142 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3145 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3146 language hook targets.
3147 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3148 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3149 if language hook targets were missing.
3151 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3153 * tree-ssa-opfinalize.h: Removed.
3154 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3156 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3157 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3158 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3159 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3160 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3161 finalize_ssa_v_must_def_ops): New.
3163 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3165 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3168 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3170 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3172 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3173 addresses with offsets; reorganize.
3175 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3176 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3177 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3179 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3182 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3184 2006-03-08 Ben Elliston <bje@au.ibm.com>
3186 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3188 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3191 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3194 2006-03-07 Richard Guenther <rguenther@suse.de>
3196 PR tree-optimization/26587
3197 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3199 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3201 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3203 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3205 * hooks.c (hook_bool_mode_rtx_true): New function.
3206 * hooks.h (hook_bool_mode_rtx_true): Declare.
3207 * toplev.c (compile_file): Call output_shared_constant_pool.
3208 * varasm.c (shared_constant_pool): New variable.
3209 (assemble_start_function, assemble_end_function): Remove arguments
3210 from call to output_constant_pool.
3211 (create_constant_pool): New function, split out from...
3212 (init_varasm_status): ...here.
3213 (force_const_mem): Choose between the shared and per-function constant
3214 pools. Set current_function_uses_const_pool when reusing old entries
3215 as well as when creating new ones.
3216 (mark_constant): Ignore data argument.
3217 (mark_constants): Remove pool argument.
3218 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3219 to decide whether the function uses a constant pool.
3220 (output_constant_pool_contents): New function, split out from...
3221 (output_constant_pool): ...here.
3222 (output_shared_constant_pool): New function.
3223 (init_varasm_once): Initialize shared_constant_pool.
3224 * output.h (output_constant_pool): Delete.
3225 (output_shared_constant_pool): Declare.
3226 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3227 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3229 2006-03-06 Nick Clifton <nickc@redhat.com>
3231 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3232 flag_strength_reduce.
3234 2006-03-06 Ben Elliston <bje@au.ibm.com>
3236 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3237 x86_64-*-linux* configurations.
3239 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3240 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3242 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3244 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3246 * basic-block.h: Remove the extern for
3247 rediscover_loops_after_threading.
3249 * cfgloop.c (cancel_loop): Make it static.
3250 * cfgloop.h: Remove the prototype for cancel_loop.
3252 * flow.c (recompute_reg_usage): Make it static.
3253 * rtl.h: Remove the prototype for recompute_reg_usage.
3255 * function.c (use_return_register): Make it static.
3256 * function.h: Remove the prototype.
3258 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3260 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3262 * recog.h: Remove the prototype for
3263 validate_change_maybe_volatile.
3265 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3267 * rtlanal.c (replace_reg): Remove.
3268 * rtl.h: Remove the prototype for replace_reg.
3270 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3272 * regclass.c (reg_scan_update): Remove.
3273 (reg_scan_mark_refs): Remove the last argument.
3274 * rtl.h: Remove the prototype for reg_scan_update.
3276 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3278 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3279 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3280 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3281 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3282 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3283 loop-invariant.c, omp-low.c, opts.c, passes.c,
3284 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3285 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3286 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3287 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3288 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3289 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3291 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3293 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3294 * dwarf2out.h: Remove the prototype for
3295 dwarf2out_add_library_unit_info.
3297 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3299 * tree.c (add_var_to_bind_expr): Remove.
3300 * tree.h: Remove the prototype for add_var_to_bind_expr.
3302 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3304 * regclass.c (n_non_fixed_regs): Remove.
3305 (init_reg_sets_1, globalize_reg): Remove all uses of
3307 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3309 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3311 * rtlanal.c (insns_safe_to_move_p): Remove.
3312 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3314 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3316 * expmed.c (expand_mult_add): Remove.
3317 * expr.h: Remove the prototype for expand_mult_add.
3319 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3321 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3322 and REG_SAVED_VAL_EXP constants.
3323 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3324 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3325 Handle regs stored by value.
3326 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3327 (execute_cfa_program): Handle DW_CFA_val_offset,
3328 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3329 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3330 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3331 (uw_install_context_1): Handle target regs stored by value.
3333 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3335 * tree-sra.c (tree_sra): Return todoflags;
3336 (generate_one_element): Set TODO_update_smt_usage if needed.
3337 (pass_sra): Remove TODO_update_smt_usage.
3338 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3340 (tree_ssa_forward_propagate_single_use_vars): Return
3341 TODO_update_smt_usage if we need to update SMT usage.
3342 (pass_forwprop): Remove TODO_update_smt_usage.
3344 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3346 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3347 (correct_use_link): Remove reference to get_stmt_operands.
3348 (update_stmt_operands): Likewise.
3349 (get_modify_expr_operands): New function factored out of
3350 parse_ssa_operands and get_expr_operands.
3351 Try to create V_MUST_DEFs for LHS by default.
3352 (get_expr_operands) <case MODIFY_EXPR>: Call
3353 get_modify_expr_operands.
3354 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3355 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3356 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3357 get_modify_expr_operands.
3359 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3361 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3362 * tree-flow.h: Remove the prototype for
3363 referenced_var_lookup_if_exists.
3365 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3367 PR rtl-optimization/26345
3369 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3371 2006-03-03 Roger Sayle <roger@eyesopen.com>
3373 PR tree-optimization/26524
3374 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3375 fold_convert to create a constant of the appropriate type.
3377 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3379 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3380 SYMBOL_REF_IN_BLOCK_P.
3381 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3382 of SYMBOL_FLAG_IN_BLOCK.
3383 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3384 instead of SYMBOL_REF_IN_BLOCK_P.
3385 * explow.c (use_anchored_address): Likewise.
3386 * rtl.c (rtx_size): Likewise.
3387 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3388 instead of SYMBOL_FLAG_IN_BLOCK.
3389 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3390 SYMBOL_REF_IN_BLOCK_P.
3391 (assemble_variable): Likewise.
3392 (output_constant_def_contents): Likewise.
3393 (output_constant_pool): Likewise.
3394 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3395 instead of SYMBOL_FLAG_IN_BLOCK.
3396 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3397 SYMBOL_REF_IN_BLOCK_P.
3398 (SYMBOL_REF_BLOCK): Likewise.
3399 (SYMBOL_REF_OFFSET): Likewise.
3400 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3401 SYMBOL_REF_IN_BLOCK_P.
3402 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3403 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3404 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3405 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3407 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3409 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3411 2006-03-02 Roger Sayle <roger@eyesopen.com>
3413 * simplify-rtx.c (simplify_unary_operation): When simplifying
3414 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3415 that we perform the right shift in the appropriate mode, and
3416 then extend or truncate the result to requested mode.
3418 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3420 * gengtype.c (main): Handle double_int type.
3421 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3422 * double-int.c: New file.
3423 * double-int.h: New file.
3424 * system.h: Include doubleint.h.
3425 * Makefile.in (SYSTEM_H): Include double-int.h.
3426 (double-int.o): Add.
3428 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3431 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3434 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3436 * tree-vrp.c (remove_range_assertions): Do not update statements
3439 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3441 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3443 * gcse.c (rest_of_handle_gcse): Ditto.
3444 * except.c (gate_handle_eh): Ditto.
3445 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3446 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3448 2006-03-02 Eric Christopher <echristo@apple.com>
3450 * config/i386/i386.c (machopic_output_stub): Add indirection to
3453 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3457 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3459 Sun Niagara specific optimizations.
3460 * config.gcc: Recognize niagara as target.
3461 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3462 (TARGET_CPU_niagara): Define.
3463 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3464 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3465 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3466 (ASM_CPU_SPEC): Likewise.
3467 (PROCESSOR_NIAGARA): New enum entry.
3468 (REGISTER_MOVE_COST): Handle Niagara.
3469 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3470 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3471 (sparc_override_options): Recognize "niagara", set appropriate
3472 default MASK_* values for it, and align functions to 32-bytes
3473 by default just like ULTRASPARC/ULTRASPARC3.
3474 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3475 (sparc64_initialize_trampoline): Likewise.
3476 (sparc_use_sched_lookahead): Use zero for niagara.
3477 (sparc_issue_rate): Use one for niagara.
3478 * config/sparc/niagara.md: New file.
3479 * config/sparc/sparc.md: Include it.
3480 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3481 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3482 when default cpu is niagara.
3483 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3484 (ASM_CPU_SPEC): Likewise.
3485 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3486 when default cpu is niagara.
3487 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3488 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3489 just like v9/ultrasparc/ultrasparc3.
3490 * doc/invoke.texi: Add documentation for "niagara" and improve
3491 existing documentation for ultrasparc variants.
3493 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3495 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3497 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3499 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3500 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3501 and say that only one is needed.
3502 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3503 * target.h (have_switchable_bss_sections): New hook.
3504 * explow.c (use_anchored_address): Check that the symbol is in a block.
3505 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3506 (bss_noswitch_section): New variables.
3507 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3508 (get_noswitch_section): New function.
3509 (get_block_for_section): Allow SECT to be null.
3510 (unlikely_text_section_p): Use SECTION_STYLE.
3511 (bss_initializer_p): New function.
3512 (get_variable_section): Move earlier in file. Take a new argument,
3513 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3514 Return one of the new *_sections in such cases.
3515 (get_block_for_decl): New function, extracting some logic from
3516 use_blocks_for_decl_p.
3517 (change_symbol_section): Remove in favor of...
3518 (change_symbol_block): ...this new function.
3519 (use_blocks_for_decl_p): Remove checks now performed by
3521 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3522 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3523 (emit_local, emit_bss, emit_common): ...these new functions.
3524 Return true if the alignment was honored.
3525 (emit_tls_common): New function.
3526 (asm_emit_uninitialised): Delete.
3527 (assemble_variable_noswitch): New function, split out from...
3528 (assemble_variable): ...here. Don't make decisions about common
3529 variables here. Globalize all public decls that go into non-common
3530 sections. Check whether SYMBOL_REF_BLOCK is null.
3531 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3532 (output_constant_pool): Likewise.
3533 (init_varasm_once): Initialize the new section variables.
3534 (have_global_bss_p): New function.
3535 (categorize_decl_for_section): Use bss_initializer_p.
3536 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3537 (place_block_symbol): Assert that the symbol must be in a block.
3538 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3539 (TARGET_INITIALIZER): Include it.
3540 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3541 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3542 (SECTION_MACH_DEP): Bump by two.
3543 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3544 (unnamed_section): Mention SECTION_UNNAMED in comment.
3545 (named_section): Likewise SECTION_NAMED.
3546 (noswitch_section_callback): New type.
3547 (noswitch_section): New structure.
3548 (section): Add a noswitch_section alternative.
3549 (SECTION_STYLE): New macro.
3550 (tls_comm_section, comm_section, lcomm_section): Declare.
3551 (bss_noswitch_section, have_global_bss_p): Declare.
3552 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3553 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3555 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3556 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3559 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3561 * gcc/tree-vrp.c (execute_vrp): Return value.
3562 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3563 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3564 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3565 (tree_lower_complex_O0): Ditto.
3566 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3567 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3568 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3569 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3570 (execute_tail_calls): Ditto.
3571 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3572 * gcc/tree.h (init_function_for_compilation): Ditto.
3573 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3574 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3575 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3576 * gcc/final.c (compute_alignments): Ditto.
3577 (rest_of_handle_final): Ditto.
3578 (rest_of_handle_shorten_branches): Ditto.
3579 (rest_of_clean_state): Ditto.
3580 * gcc/omp-low.c (execute_expand_omp): Ditto.
3581 (execute_lower_omp): Ditto.
3582 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3583 * gcc/ipa-reference.c (static_execute): Ditto.
3584 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3585 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3586 (rest_of_handle_machine_reorg): Ditto.
3587 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3588 * gcc/flow.c (recompute_reg_usage): Ditto.
3589 (rest_of_handle_remove_death_notes): Ditto.
3590 (rest_of_handle_life): Ditto.
3591 (rest_of_handle_flow2): Ditto.
3592 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3593 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3594 (do_ssa_store_ccp): Ditto.
3595 (execute_fold_all_builtins): Ditto.
3596 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3597 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3598 * gcc/ipa-pure-const.c (static_execute): Ditto.
3599 * gcc/cse.c (rest_of_handle_cse): Ditto.
3600 (rest_of_handle_cse2): Ditto.
3601 * gcc/web.c (rest_of_handle_web): Ditto.
3602 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3603 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3604 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3605 * gcc/tree-nrv.c (tree_nrv): Ditto.
3606 (execute_return_slot_opt): Ditto.
3607 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3608 (create_structure_vars): Ditto.
3609 * gcc/loop-init.c (rtl_loop_init): Ditto.
3610 (rtl_loop_done): Ditto.
3611 (rtl_move_loop_invariants): Ditto.
3612 (rtl_unswitch): Ditto.
3613 (rtl_unroll_and_peel_loops): Ditto.
3614 (rtl_doloop): Ditto.
3615 * gcc/gimple-low.c (lower_function_body): Ditto.
3616 (mark_used_blocks): Ditto.
3617 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3618 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3619 (cgraph_early_inlining): Ditto.
3620 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3621 * gcc/jump.c (cleanup_barriers): Ditto.
3622 (purge_line_number_notes): Ditto.
3623 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3624 (rest_of_handle_if_after_reload): Ditto.
3625 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3626 (tree_ssa_loop_im): Ditto.
3627 (tree_ssa_loop_unswitch): Ditto.
3628 (tree_vectorize): Ditto.
3629 (tree_linear_transform): Ditto.
3630 (tree_ssa_loop_ivcanon): Ditto.
3631 (tree_ssa_empty_loop): Ditto.
3632 (tree_ssa_loop_bounds): Ditto.
3633 (tree_complete_unroll): Ditto.
3634 (tree_ssa_loop_prefetch): Ditto.
3635 (tree_ssa_loop_ivopts): Ditto.
3636 (tree_ssa_loop_done): Ditto.
3637 * gcc/predict.c (tree_estimate_probability): Ditto.
3638 * gcc/recog.c (split_all_insns_noflow): Ditto.
3639 (rest_of_handle_peephole2): Ditto.
3640 (rest_of_handle_split_all_insns): Ditto.
3641 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3642 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3643 (rest_of_handle_stack_adjustments): Ditto.
3644 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3645 * gcc/function.c (instantiate_virtual_regs): Ditto.
3646 (init_function_for_compilation): Ditto.
3647 (rest_of_handle_check_leaf_regs): Ditto.
3648 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3649 (rest_of_handle_gcse): Ditto.
3650 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3651 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3652 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3653 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3654 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3655 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3656 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3657 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3658 * gcc/except.c (set_nothrow_function_flags): Ditto.
3659 (convert_to_eh_region_ranges): Ditto.
3660 (rest_of_handle_eh): Ditto.
3661 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3662 (remove_unnecessary_notes): Ditto.
3663 * gcc/except.h (set_nothrow_function_flags): Ditto.
3664 (convert_to_eh_region_ranges): Ditto.
3665 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3666 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3667 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3668 (execute_fre): Ditto.
3669 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3670 (rest_of_handle_jump2): Ditto.
3671 * gcc/tree-sra.c (tree_sra): Ditto.
3672 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3673 (execute_mudflap_function_decls): Ditto.
3674 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3675 (do_store_copy_prop): Ditto.
3676 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3677 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3678 * gcc/tree-ssa-forwprop.c
3679 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3680 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3681 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3682 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3683 (execute_late_warn_uninitialized): Ditto.
3684 * gcc/rtl.h (cleanup_barriers): Ditto.
3685 (split_all_insns_noflow): Ditto.
3686 (purge_line_number_notes): Ditto.
3687 (unshare_all_rtl): Ditto.
3688 (remove_unnecessary_notes): Ditto.
3689 (recompute_reg_usage): Ditto.
3690 (variable_tracking_main): Ditto.
3691 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3692 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3693 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3694 (execute_free_cfg_annotations): Ditto.
3695 (execute_fixup_cfg): Ditto.
3696 (execute_cleanup_cfg_pre_ipa): Ditto.
3697 (execute_cleanup_cfg_post_optimizing): Ditto.
3698 (execute_init_datastructures): Ditto.
3699 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3700 * gcc/combine.c (rest_of_handle_combine): Ditto.
3701 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3702 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3703 (rest_of_handle_reorder_blocks): Ditto.
3704 (rest_of_handle_partition_blocks): Ditto.
3705 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3706 * gcc/tree-profile.c (tree_profiling): Ditto.
3707 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3708 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3709 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3710 (rest_of_handle_sched2): Ditto.
3711 * gcc/basic-block.h (free_bb_insn): Ditto.
3712 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3713 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3714 (remove_useless_stmts): Ditto.
3715 (split_critical_edges): Ditto.
3716 (execute_warn_function_return): Ditto.
3717 (execute_warn_function_noreturn): Ditto.
3718 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3719 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3720 * gcc/passes.c (execute_one_pass): Run additional
3721 todos returned by execute function.
3722 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3725 2006-03-02 Richard Guenther <rguenther@suse.de>
3727 * tree-ssa-alias.c (find_used_portions): Consider taking
3728 the address as making the variable not write-only.
3730 2006-03-02 Nick Clifton <nickc@redhat.com>
3732 * config.gcc (default_use_cxa_atexit): Extend the description of
3733 this configure variable. Set its default value to "yes" for
3734 Linux, NetBSD and ELF targets on the assumption that they will
3735 use C libraries with the __cxa_atexit function.
3737 2006-03-02 Ben Elliston <bje@au.ibm.com>
3739 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3740 parameter as unused to suppress a build warning.
3742 2006-03-02 Ben Elliston <bje@au.ibm.com>
3744 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3747 2006-03-01 Roger Sayle <roger@eyesopen.com>
3750 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3751 declared name, the weak reference name, and the typeof name.
3752 (__gthrw): Avoid expanding the declared name suffix.
3753 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3755 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3757 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3759 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3760 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3761 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3762 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3763 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3764 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3765 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3766 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3767 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3768 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3769 (DW_END_default, DW_END_big, DW_END_little): New.
3770 (DW_END_lo_user, DW_END_hi_user): Define.
3771 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3772 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3773 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3776 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3778 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3780 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3782 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3784 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3786 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3787 to 'symbol_mem_tag'.
3789 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3792 2006-03-01 Roger Sayle <roger@eyesopen.com>
3794 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3796 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3799 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3800 MACHO_DYNAMIC_NO_PIC_P.
3801 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3803 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3806 * config/darwin-protos.h (darwin_asm_output_anchor):
3808 * config/darwin-sections.def (cstring_section):
3809 Add SECTION_MERGE to the flags.
3810 (literal4_section): Likewise.
3811 (literal8_section): Likewise.
3812 (objc_selector_refs_section): Likewise.
3813 (objc_cls_refs_section): Likewise.
3814 * config/darwin.c (darwin_asm_output_anchor): New
3816 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3818 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3820 Fix PR tree-optimization/26443
3821 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3822 to todo and PROP_tmt_usage to properties_destroyed.
3823 * tree-ssa-ccp.c (pass_ccp): Ditto.
3824 (pass_store_ccp): Ditto.
3825 * tree-ssa-dom.c (pass_dominator): Ditto.
3827 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3829 * tree-ssa-operands.c: Cleanup whitespace.
3830 (get_asm_expr_operands): Move before first invocation.
3831 (get_indirect_ref_operands): Likewise.
3832 (get_tmr_operands): Likewise.
3833 (get_call_expr_operands): Likewise.
3834 (append_def): Likewise.
3835 (append_use): Likewise.
3836 (append_v_may_def): Likewise.
3837 (append_v_must_def): Likewise.
3838 (add_call_clobber_ops): Likewise.
3839 (add_call_read_ops): Likewise.
3840 (add_stmt_operand): Likewise.
3841 (add_virtual_operand): Likewise.
3842 (build_ssa_operands): Likewise.
3844 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3849 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3850 with a call expr to ...
3851 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3853 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3855 * tree-vrp.c (extract_range_from_assert): Remove special
3856 handling for types with super-types.
3858 2006-03-01 Ben Elliston <bje@au.ibm.com>
3860 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3861 and powerpc64-*-linux* configurations.
3862 * config/t-dfprules: New file.
3864 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3865 Compile dfp-bit.c from the source directory using -DWIDTH and
3866 $DFP_CFLAGS to control the compilation of that file, rather than
3867 generating width-specific versions in the build directory.
3868 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3869 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3871 2006-02-28 Zack Weinberg <zackw@panix.com>
3873 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3876 2006-02-28 Eric Christopher <echristo@apple.com>
3878 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3879 Set up IN_LIBGCC definition of TARGET_64BIT.
3880 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3882 2006-02-28 Roger Sayle <roger@eyesopen.com>
3885 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3886 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3887 cases via the construction of "expr != 0".
3889 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3891 * alias.c (alias_invariant, alias_invariant_size): Remove.
3892 (record_base_value): Remove.
3893 (memrefs_conflict_p): Don't look at alias_invariant.
3894 (end_alias_analysis): Don't free it.
3895 * alias.h (record_base_value): Remove prototype.
3897 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3898 Adam Nemet <anemet@caviumnetworks.com>
3900 * rtl.h (truncated_to_mode): Declare it.
3901 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3902 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3903 (RTL_HOOKS_INITIALIZER): Include it.
3904 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3905 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3906 reg_truncated_to_mode.
3907 * rtlanal.c (truncated_to_mode): Define it.
3908 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3910 2006-02-28 Jeff Law <law@redhat.com>
3912 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3913 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3914 the range allowed by TYPE_PRECISION.
3916 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3918 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3920 PR tree-optimization/26419
3921 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3924 2006-02-27 Zack Weinberg <zackw@panix.com>
3926 * doc/md.texi: Fix typo in previous change.
3928 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3932 2006-02-27 Zack Weinberg <zackw@panix.com>
3934 * rtl.def (define_constraint, define_register_constraint)
3935 (define_memory_constraint, define_address_constraint): New MD forms.
3936 * gensupport.c (process_rtx): Put define_constraint etc on the
3938 * genpreds.c (process_define_predicate): Adjust comment. Validate
3939 the name, and call validate_exp to validate the expression.
3940 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3941 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3942 all callers changed.
3943 (validate_exp, needs_variable, struct constraint_data)
3944 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3945 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3946 (const_dbl_constraints, constraint_max_namelen)
3947 (have_register_constraints, have_memory_constraints)
3948 (have_address_constraints, have_address_constraints)
3949 (have_extra_constraints, have_const_int_constraints)
3950 (have_const_dbl_constraints, mangle, add_constraint)
3951 (process_define_constraint, process_define_register_constraint)
3952 (write_enum_constraint_num, write_lookup_constraint)
3953 (write_insn_constraint_len, write_regclass_for_constraint)
3954 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3955 (write_insn_extra_memory_constraint)
3956 (write_insn_extra_address_constraint)
3957 (write_satisfies_constraint_fns): New.
3958 (write_tm_preds_h): If we have new-style constraint definitions,
3959 prototype the functions generated from them, and define the
3960 old constraint interface (still used by generic code) in terms of
3962 (write_insn_preds_c): If we have new-style constraint definitions,
3963 generate all relevant functions from those definitions.
3964 (main): Handle define_constraint etc.
3965 * genoutput.c (struct constraint_data, indep_constraints)
3966 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3967 (mdep_constraint_len): New data structures and functions, defined
3968 #ifdef USE_MD_CONSTRAINTS.
3969 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3970 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3971 use new logic to validate operand constraints against constraint
3973 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3975 * defaults.h: If none of the old-style constraint macros are
3976 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3977 old-style macros; and poison REG_CLASS_FROM_LETTER,
3978 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3980 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3981 * doc/md.texi: Document new constraint-definition mechanism and the
3982 C interface it provides. Remove references to old mechanism
3983 elsewhere in the document.
3984 (Machine Constraints): Use pathnames relative to gcc directory,
3985 i.e. config/ARCH/FILE. Change i386 section to refer to
3986 config/i386/predicates.md; update that section to match docstrings.
3987 * doc/tm.texi: Move all documentation of the old constraint-
3988 definition macros to their own section, clearly mark as obsolete.
3990 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3991 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3993 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3994 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3995 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3997 (splits and peepholes): Use satisfies_constraint_*.
3998 * config/i386/i386.c (memory_address_length)
3999 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4001 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4003 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4004 scalar operation to be put back into the loop.
4006 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4009 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4010 (extract_cie_info): Handle S flag in augmentation string.
4011 (execute_cfa_program): If context->signal_frame, execute also
4012 fs->pc == context->ra instructions.
4013 (uw_frame_state_for): If context->signal_frame, don't subtract one
4014 from context->ra to find FDE.
4015 (uw_update_context_1): Set context->signal_frame to
4017 (_Unwind_GetIPInfo): New function.
4018 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4019 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4021 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4022 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4023 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4024 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4025 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4026 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4027 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4028 x86_64_fallback_frame_state): Set fs->signal_frame.
4029 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4030 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4031 (frob_update_context): Likewise. Workaround missing S flag in
4032 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4033 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4034 Remove the psw_addr + 1 hack.
4036 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4038 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4039 with aggregates here.
4040 (find_func_aliases): Remove code for &<aggregate> from here.
4042 2006-02-26 Roger Sayle <roger@eyesopen.com>
4044 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4045 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4046 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4049 2006-02-26 Roger Sayle <roger@eyesopen.com>
4052 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4054 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4056 * opts.c (decode_options): Do not handle flag_strength_reduce.
4057 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4058 and OPT_fstrength_reduce.
4059 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4060 flag_prefetch_loop_arrays for being nonzero.
4061 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4063 (fprefetch-loop-arrays-rtl): Removed.
4064 (flag_prefetch_loop_arrays): Do not specify the value.
4066 * doc/passes.texi: Update documentation of loop optimizer
4068 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4069 -frerun-loop-opt): Remove.
4071 2006-02-26 Richard Guenther <rguenther@suse.de>
4073 PR tree-optimization/26421
4074 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4075 in function calls that are ADDR_EXPRs as using the whole structure.
4077 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4079 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4080 * tree-pass.h (pass_loop_optimize): Remove.
4081 * passes.c (pass_loop_optimize): Never run it.
4082 * toplev.c (backend_init): Don't call init_loop.
4083 * opts.c (flag_loop_optimize_set): Remove.
4084 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4085 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4086 the old RTL loop optimizer when profiling enabled.
4087 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4088 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4089 pre-headers for the sake of the old RTL loop optimizer.
4090 * Makefile.in: Remove all references to loop.o.
4092 * doc/invoke.texi: Remove all references to -floop-optimize
4093 and -frerun-loop-opt.
4095 2006-02-26 Zack Weinberg <zackw@panix.com>
4097 * doc/md.texi (Machine Constraints): Refer to all files with paths
4098 relative to gcc directory (i.e. config/CPU/file). Add missing
4099 @table @code ... @end table to M32C subsection.
4101 2006-02-26 Roger Sayle <roger@eyesopen.com>
4103 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4105 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4107 2006-02-26 Roger Sayle <roger@eyesopen.com>
4108 James A. Morrison <phython@gcc.gnu.org>
4111 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4112 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4113 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4114 signedness of the shift operation.
4116 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4118 PR tree-optimization/26359
4119 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4121 2006-02-25 Roger Sayle <roger@eyesopen.com>
4123 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4124 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4125 as X == 0, and some symmetry related transformations.
4126 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4128 2006-02-25 Roger Sayle <roger@eyesopen.com>
4131 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4132 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4133 symmetry related transformations. Fold (X^C1) == C2 as
4136 2006-02-25 Juergen Weigert <jw@suse.de>
4137 Richard Guenther <rguenther@suse.de>
4139 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4141 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4143 * combine.c (gen_lowpart_or_truncate): Call
4144 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4146 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4148 * doc/invoke.texi: Move -fopenmp description to "Options for
4150 Remove reference to -lgomp.
4152 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4154 * doc/install.texi: Require GNU tar version 1.14.
4156 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4158 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4159 * doc/invoke.texi (C++ Dialect Options): Document
4160 -fno-use-cxa-get-exception-ptr.
4161 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4162 * configure: Regenerate.
4163 * c.opt (fuse-cxa-get-exception-ptr): New.
4164 * c-opts.c (c_common_handle_option): Handle
4165 OPT_fuse_cxa_get_exception_ptr.
4166 * c-common.c (flag_use_cxa_atexit): Update documentation.
4167 (flag_use_cxa_get_exception_ptr): New.
4168 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4169 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4171 (C_COMMON_OVERRIDE_OPTIONS): New.
4173 2006-02-24 Roger Sayle <roger@eyesopen.com>
4176 * combine.c (try_combine): Explicitly check whether GET_CODE is
4177 a SET or a CLOBBER, instead on checking that it isn't a USE.
4179 2006-02-24 Roger Sayle <roger@eyesopen.com>
4181 * fold-const.c (fold_comparison): New subroutine of fold_binary
4182 containing transformations common to both the equality and
4183 ordering relational operators, factored out of fold_binary.
4184 (fold_binary): Separate out the equality operators (EQ_EXPR
4185 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4186 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4187 transformations common to both.
4188 (fold_div_compare): Fix latent bugs in the previously unreachable
4189 LT_EXPR and GE_EXPR cases.
4191 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4193 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4194 decl libname for clog to __clog on AIX.
4196 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4198 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4201 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4202 output traceback table for thunks. Localise rs6000_stack_info call.
4204 2006-02-23 Roger Sayle <roger@eyesopen.com>
4205 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4207 * gthr-posix.h (__gthrw): Fix typo in comment.
4209 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4211 * doc/cpp.texi (Character sets): Document that we do support
4212 input files to be in any character set.
4214 2006-02-23 Jeff Law <law@redhat.com>
4216 * tree.h (PHI_ARG_NONZERO): Remove.
4217 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4218 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4219 node to the new node.
4221 PR tree-optimization/26425
4222 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4223 min/max, then assume its varying.
4225 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4227 PR rtl-optimization/26316
4228 * rtlanal.c (enum may_trap_p_flags): New.
4229 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4230 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4231 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4232 (may_trap_after_code_motion_p): New function.
4233 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4234 (find_invariant_insn): Use may_trap_after_code_motion_p.
4235 * rtl.h (may_trap_after_code_motion_p): Declare.
4237 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4239 * emit-rtl.c (immed_double_const): Cleanup.
4241 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4243 Fix PR tree-optimization/26376
4244 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4247 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4250 * gimplify.c (omp_add_variable): Guard variable size decl test with
4251 DECL_SIZE (decl) check.
4253 2006-02-23 Richard Guenther <rguenther@suse.de>
4256 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4257 like aggregate types.
4259 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4261 * configure.ac: Add --with{,out}-long-double-128 configure option.
4262 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4263 * configure: Rebuilt.
4264 * config.in: Rebuilt.
4265 * doc/install.texi (Options specification): Document
4266 --with-long-double-128.
4268 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4269 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4270 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4271 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4273 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4275 * config/s390/s390.c (override_options): Handle
4276 TARGET_DEFAULT_LONG_DOUBLE_128.
4278 * config/alpha/alpha.c (override_options): Handle
4279 TARGET_DEFAULT_LONG_DOUBLE_128.
4281 * config/sparc/sparc.c (sparc_override_options): Handle
4282 TARGET_DEFAULT_LONG_DOUBLE_128.
4284 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4286 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4287 (real-install-headers-tar, real-install-headers-cpio)
4288 (real-install-headers-cp): New targets.
4290 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4292 * tree.h (variable_section): Delete.
4293 * varasm.c (variable_section): Delete.
4295 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4297 * install.texi: Add notes on install.texi2html.
4298 (Building in parallel): Do not use footnotes.
4300 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4303 * doc/install.texi (Configuration): Document --disable-libgomp.
4305 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4307 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4309 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4311 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4312 (vec_extractv2df_0_sse): New.
4314 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4316 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4317 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4318 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4319 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4320 to the result of the expression.
4321 (def_cfa_1): Adjust.
4322 (frame_pointer_cfa_offset): Rename to...
4323 (frame_pointer_fb_offset): ... this. Adjust all uses.
4324 (convert_cfa_to_loc_list): Rename to...
4325 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4326 Pass it on to build_cfa_loc.
4327 (compute_frame_pointer_to_cfa_displacement): Rename to...
4328 (compute_frame_pointer_to_fb_displacement): ... this. New
4329 offset parameter. Use it in computation.
4330 (gen_subprogram_die): Compute cfa_fb_offset with the new
4331 macro, and use it to compute the fb loc list and the
4334 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4336 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4337 replaced with register_operand.
4338 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4339 non-DREG is expensive.
4340 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4341 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4344 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4346 * doc/install.texi2html: Use set -e.
4348 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4350 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4351 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4352 * doc/invoke.texi (-fshared-data): Delete.
4353 * common.opt (fshared-data): Delete.
4354 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4355 (assemble_static_space): Remove #if 0 code.
4356 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4357 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4358 * config/cris/cris.h: Remove FIXME.
4360 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4362 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4365 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4368 * combine.c (simplify_shift_const_1): Disable nested shifts
4369 optimization for vector shifts.
4371 2006-02-20 Roger Sayle <roger@eyesopen.com>
4373 PR tree-optimization/26361
4374 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4375 of unsigned integer types.
4377 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4379 * tree-chrec.c (eq_evolutions_p): New.
4380 * tree-chrec.h (eq_evolutions_p): Declared.
4381 * tree-data-ref.c: Fix formatting.
4382 (datadep_stats, dependence_stats): New.
4384 (print_direction_vector): New.
4385 (dump_data_dependence_relation): Use print_direction_vector.
4386 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4387 (compute_subscript_distance): Static.
4388 (initialize_data_dependence_relation): Static. Get the number
4389 of loops surrounding the references from the callers, and initialize
4390 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4391 base_object_differ_p analyzers.
4392 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4393 compute_overlap_steps_for_affine_1_2,
4394 analyze_subscript_affine_affine): Count the classified dependences.
4395 Print a message when a test failed.
4396 (can_use_analyze_subscript_affine_affine): New.
4397 (analyze_siv_subscript): Compute the data dependences on symbolic
4398 scevs that verify can_use_analyze_subscript_affine_affine.
4399 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4400 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4401 Handle symbolic scevs.
4402 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4404 (subscript_dependence_tester): Moved...
4405 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4406 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4407 DDR_SIZE_VECT instead of getting it in parameter.
4408 (subscript_dependence_tester): ... here. Take as a parameter
4409 loop_nest_depth. Call build_classic_dist_vector and
4410 build_classic_dir_vector.
4411 (compute_affine_dependence): Update subscript_dependence_tester
4412 parameters. Update datadep_stats counters. Call
4413 compute_subscript_distance.
4414 (compute_self_dependence): Save the dist and dir vectors. Call
4415 compute_subscript_distance.
4416 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4417 (compute_all_dependences): Reorder parameters as they were before
4418 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4419 compute_subscript_distance. Update the use of
4420 compute_affine_dependence and initialize_data_dependence_relation.
4421 (find_data_references_in_loop): Handle COMPONENT_REF.
4422 (compute_data_dependences_for_loop): Initialize dependence_stats.
4423 Don't call build_classic_dist_vector and build_classic_dir_vector.
4424 Update the parameters of initialize_data_dependence_relation and
4425 compute_all_dependences. Print the statistics from datadep_stats.
4426 (analyze_all_data_dependences): Static. Not used until the pass for
4427 checking the data dependences is contributed.
4428 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4429 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4430 (initialize_data_dependence_relation, compute_affine_dependence,
4431 analyze_all_data_dependences, compute_subscript_distance): Removed.
4432 (print_direction_vector): New.
4433 * lambda.h (gcd): ... here.
4434 (lambda_vector_gcd): Moved here from gcd_vector.
4435 * lambda-code.c (gcd, gcd_vector): Removed.
4436 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4437 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4439 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4441 * ipa-type-escape.c: Tidy some comments and white space.
4442 * tree-ssa-operands.c: Likewise.
4444 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4447 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4448 (dump_decl_name): Do not walk the decl tree chains.
4449 * tree-pass.h (TDF_CHAIN): Remove.
4451 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4453 * Makefile.in (C): Remove
4455 (.PHONY): Remove C and PROTO
4457 2006-02-20 Roger Sayle <roger@eyesopen.com>
4460 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4461 deprecated CHAR_TYPE tree code.
4463 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4465 * configure.ac (target_list): Add install-info, dvi, html.
4466 * configure: Regenerate.
4468 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4469 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4470 treelang/Make-lang.in: Do not use double-colon rules.
4472 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4474 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4475 (TMT_USED_ALONE): New macro.
4476 * tree-pass.h (PROP_tmt_usage): New property.
4477 (TODO_update_tmt_usage): New todo.
4478 * tree-ssa-alias.c (updating_used_alone): New variable.
4479 (recalculate_used_alone): New function.
4480 (compute_may_aliases): Set updating_used_alone, call
4481 recalculate_used_alone.
4482 * tree-sra.c (pass_sra): Note that this pass destroys
4483 PROP_tmt_usage, and add TODO_update_tmt_usage.
4484 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4485 * tree-flow.h (updating_used_alone): Prototype.
4486 (recalculate_used_alone): Ditto.
4487 * passes.c (execute_todo): Add code to set updating_used_alone,
4488 and call recalculate.
4489 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4490 for clobber if used alone, and add assert to verify used_alone
4493 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4495 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4496 for non tls symbols added.
4497 (legitimize_address): Do nothing for PLUS expressions if one of the
4498 addends is a tls symbol reference.
4500 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4504 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4506 * Makefile.in (BOOTSTRAPPING): New.
4507 (quickstrap): New definition if BOOTSTRAPPING=yes.
4509 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4510 * configure.ac: Substitute all_selected_languages with the languages
4511 that were configured. For all the other variables except
4512 lang_specs_files, include all the languages in the tree.
4513 * configure: Regenerate.
4515 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4516 if there is one. Run the commands to run fixincludes in the same
4519 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4520 * doc/install.texi: Document exact conventions for searching target tools.
4521 Document --with-build-time-tools. Document toplevel bootstrap. Document
4522 something more about building an Ada cross-compiler. Don't list GNU Make
4523 requirements which affect all platforms.
4525 2006-02-19 Roger Sayle <roger@eyesopen.com>
4528 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4529 only equivalent if the have both the same mode and precision.
4531 2006-02-20 Ben Elliston <bje@au.ibm.com>
4533 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4535 2006-02-19 Roger Sayle <roger@eyesopen.com>
4536 Steven Bosscher <stevenb.gcc@gmail.com>
4538 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4539 constant pool references to identify stack mode constants.
4540 * rtlanal.c (constant_pool_constant_p): New predicate to check
4541 whether operand is a floating point constant in the pool.
4542 * rtl.h (constant_pool_constant_p): Prototype here.
4543 * loop.c (scan_loop): Avoid hoisting constants from the constant
4544 pool on STACK_REGS targets.
4545 (load_mems): Likewise.
4546 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4547 loads into x87 registers expensive in terms of register pressure.
4549 2006-02-19 Roger Sayle <roger@eyesopen.com>
4551 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4552 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4554 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4556 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4557 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4559 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4561 * doc/invoke.texi: Document -fipa-pta.
4562 * common.opt: Add ipa-pta option.
4563 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4564 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4565 (do_ds_constraint): Ditto.
4566 (get_constraint_for): Only add to referenced_vars if
4567 referenced_vars exists.
4568 (insert_into_field_list): Rewrite to do this unsorted.
4569 (insert_into_field_list_sorted): Rename old insert_into_field_list
4571 (create_function_info_for): Use insert_into_field_list_sorted.
4572 (create_variable_info_for): Rewrite so it uses unsorted version,
4573 since the field list is sorted.
4574 (intra_create_variable_infos): Only add to referenced_vars if
4575 referenced_vars exists.
4576 (ipa_pta_execute): Init heapvars, and delete when done.
4577 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4579 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4581 * doc/install.texi: Add missing `@samp'.
4583 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4585 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4588 2006-02-18 Mark Wielaard <mark@klomp.org>
4590 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4591 who added new 4.1 features, bug fixes and integration support.
4593 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4596 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4599 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4601 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4602 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4603 (copy_insn_1): Likewise. Don't copy each field individually.
4605 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4607 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4608 * rtl.c (rtx_size): Rename variable to...
4609 (rtx_code_size): ...this.
4610 (rtx_size): New function.
4611 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4612 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4614 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4615 * rtl.h (rtx_code_size): New variable.
4616 (rtx_size): Change from a variable to a function.
4617 (RTX_SIZE): Rename to...
4618 (RTX_CODE_SIZE): ...this.
4621 PR tree-optimization/17106
4622 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4623 (Anchored Addresses): New section.
4624 * doc/invoke.texi (-fsection-anchors): Document.
4625 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4626 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4627 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4628 * hooks.c (hook_bool_mode_rtx_false): New function.
4629 * hooks.h (hook_bool_mode_rtx_false): Declare.
4630 * gengtype.c (create_optional_field): New function.
4631 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4632 SYMBOL_REF_IN_BLOCK_P is true.
4633 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4634 (min_anchor_offset, max_anchor_offset): Likewise.
4635 (use_anchors_for_symbol_p): New hook.
4636 * toplev.c (compile_file): Call output_object_blocks.
4637 (target_supports_section_anchors_p): New function.
4638 (process_options): Check that -fsection-anchors is only used on
4639 targets that support it and when -funit-at-a-time is in effect.
4640 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4641 if the decl doesn't have one.
4642 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4643 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4644 of force_const_mem through use_anchored_address.
4645 (expand_expr_constant): New function.
4646 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4647 calling expand_expr for INDIRECT_REF.
4648 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4649 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4650 * expr.h (use_anchored_address): Declare.
4651 * loop-unroll.c: Don't declare rtx vectors here.
4652 * explow.c: Include output.h.
4653 (validize_mem): Call use_anchored_address.
4654 (use_anchored_address): New function.
4655 * common.opt (-fsection-anchors): New switch.
4656 * varasm.c (object_block_htab, anchor_labelno): New variables.
4657 (hash_section, object_block_entry_eq, object_block_entry_hash)
4658 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4659 (use_blocks_for_decl_p, change_symbol_section): New functions.
4660 (get_variable_section): New function, split out from assemble_variable.
4661 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4662 use_blocks_for_decl_p say so. Use change_symbol_section if the
4663 symbol has already been created.
4664 (assemble_variable_contents): New function, split out from...
4665 (assemble_variable): ...here. Don't output any code for
4666 block symbols; just pass them to place_block_symbol.
4667 Use get_variable_section and assemble_variable_contents.
4668 (get_constant_alignment, get_constant_section, get_constant_size): New
4669 functions, split from output_constant_def_contents.
4670 (build_constant_desc): Create a block symbol if use_object_blocks_p
4671 says so. Or into SYMBOL_REF_FLAGS.
4672 (assemble_constant_contents): New function, split from...
4673 (output_constant_def_contents): ...here. Don't output any code
4674 for block symbols; just pass them to place_section_symbol.
4675 Use get_constant_section and get_constant_alignment.
4676 (force_const_mem): Create a block symbol if use_object_blocks_p and
4677 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4678 (output_constant_pool_1): Add an explicit alignment argument.
4679 Don't switch sections here.
4680 (output_constant_pool): Adjust call to output_constant_pool_1.
4681 Switch sections here instead. Don't output anything for block symbols;
4682 just pass them to place_block_symbol.
4683 (init_varasm_once): Initialize object_block_htab.
4684 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4685 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4686 (place_block_symbol, get_section_anchor, output_object_block)
4687 (output_object_block_htab, output_object_blocks): New functions.
4688 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4689 (TARGET_ASM_OUT): Include it.
4690 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4691 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4692 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4693 (TARGET_INITIALIZER): Include them.
4694 * rtl.c (rtl_check_failed_block_symbol): New function.
4695 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4696 (block_symbol, object_block): New structures.
4697 (rtx_def): Add a block_symbol field to the union.
4698 (BLOCK_SYMBOL_CHECK): New macro.
4699 (rtl_check_failed_block_symbol): Declare.
4700 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4701 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4702 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4703 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4704 * output.h (output_section_symbols): Declare.
4705 (object_block): Name structure.
4706 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4707 (default_use_anchors_for_symbol_p): Declare.
4708 * Makefile.in (RTL_BASE_H): Add vec.h.
4709 (explow.o): Depend on output.h.
4710 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4711 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4712 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4713 (rs6000_use_blocks_for_constant_p): New function.
4715 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4717 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4719 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4722 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4725 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4727 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4731 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4734 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4735 instead of DECL_REGISTER.
4737 2006-02-18 Olivier Hainque <hainque@adacore.com>
4740 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4742 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4745 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4746 * opth-gen.awk: Handle Var and InverseMask together.
4747 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4748 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4749 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4750 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4752 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4753 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4754 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4755 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4756 LINUX_DYNAMIC_LINKER): Define.
4757 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4758 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4760 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4761 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4762 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4763 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4764 (TARGET_C99_FUNCTIONS): Don't define.
4765 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4766 GLIBC_DYNAMIC_LINKER.
4767 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4768 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4769 GLIBC_DYNAMIC_LINKER64): Define.
4770 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4771 LINUX_DYNAMIC_LINKER64.
4772 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4773 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4774 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4775 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4776 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4777 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4778 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4779 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4780 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4781 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4782 and LINUX_DYNAMIC_LINKER32.
4783 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4784 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4785 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4786 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4787 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4789 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4790 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4791 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4792 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4793 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4794 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4795 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4796 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4797 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4798 LINUX_DYNAMIC_LINKER): Define.
4799 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4800 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4801 GLIBC_DYNAMIC_LINKER64): Define.
4802 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4803 LINUX_DYNAMIC_LINKER64.
4804 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4805 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4806 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4807 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4808 LINUX_DYNAMIC_LINKER): Define.
4809 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4810 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4811 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4812 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4813 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4814 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4815 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4816 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4817 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4818 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4819 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4820 * doc/invoke.texi (-muclibc): Remove caveat about supported
4823 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4825 * doc/cpp.texi (__TIMESTAMP__): Document.
4827 2006-02-17 Roger Sayle <roger@eyesopen.com>
4830 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4831 C is one less than the width of X (and related transformations).
4832 * simplify-rtx.c (simplify_unary_operation_1): Transform
4833 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4834 depending on STORE_FLAG_VALUE, were C is one less then the
4837 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4839 Fix PR tree-optimization/26341
4840 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4841 about NAME_MEMORY_TAG's.
4843 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4846 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4847 with hardware float support, and software float support. Add fcpy
4848 alternative to hardware patterns. Add alternatives to copy between
4849 general and floating-point registers to the 32-bit pattern.
4850 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4851 secondary reload to load a QI or HI mode constant into a floating
4853 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4854 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4856 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4859 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4861 (load_macho_picbase_di): Likewise.
4863 2006-02-16 Jeff Law <law@redhat.com>
4865 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4866 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4867 (ssa_name_nonzero_p): Likewise.
4868 (get_value_range): Return NULL if VRP is not running.
4869 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4870 VRP routines do not discover a range.
4871 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4872 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4873 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4874 (tree_expr_nonnegative_p): Similarly.
4875 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4876 (restore_nonzero_vars_to_original_value): Remove.
4877 (unsafe_associative_fp_binop): Remove.
4878 (tree_ssa_dominator_optimize): Remove initialization and
4879 finalization of nonzero_vars and nonzero_vars_stack.
4880 (dom_opt_initialize_block): No longer push marker on
4882 (dom_opt_finalize_block): No longer call
4883 restore_nonzero_vars_to_original_value.
4884 (record_equivalences_from_phis): No longer look for
4885 nonzero PHI arguments.
4886 (cprop_into_successor_phis): No longer propagate nonzero
4887 property into PHI arguments. Lose unused argument. Caller
4889 (record_equivalences_from_stmt): No longer record nonzero
4890 values for SSA_NAMEs.
4891 (lookup_avail_expr): No longer use nonzero_vars.
4893 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4894 for sizetype when sizetype is unsigned.
4896 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4898 PR rtl-optimization/25603
4899 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4900 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4901 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4902 with new meaning of SETS.
4904 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4909 * config/linux.opt: New file.
4910 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4911 LINUX_DYNAMIC_LINKER): Define.
4912 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4913 * config.gcc (*-*-linux*): Define extra_options.
4914 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4915 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4916 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4917 GLIBC_DYNAMIC_LINKER.
4918 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4919 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4920 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4921 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4922 * doc/invoke.texi (GNU/Linux Options): New section.
4924 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4926 * config/sparc/sparc.md (setjmp): Rewrite.
4927 (setjmp_32): Delete.
4928 (setjmp_64): Likewise.
4930 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4932 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4935 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4937 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4940 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4942 PR rtl-optimization/26296
4943 * Makefile.in (loop-invariant.c): Add except.h dependency.
4944 * loop-invariant.c: Include except.h.
4945 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4947 2005-02-16 Paul Brook <paul@codesourcery.com>
4949 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4952 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4954 PR rtl-optimization/25636
4955 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4956 when deciding whether an insn is an initializing insn.
4958 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4960 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4961 (tree_code_size): Ditto.
4962 * tree.h (struct tree_memory_tag): Remove parent_var.
4963 (struct tree_struct_field_tag): New.
4966 (union tree_node): Add sft member.
4967 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4969 (create_sft): Add size and offset argument, set SFT_OFFSET and
4971 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4972 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4973 * tree-flow-inline.h (get_subvar_at): Update for
4974 SFT_OFFSET/SFT_SIZE.
4975 (var_can_have_subvars): Ditto.
4976 (overlap_subvar): Ditto.
4977 * print-tree.c (print_node): Print out interesting things for
4979 * tree-flow.h (struct subvar): Remove offset and size members.
4980 * tree-ssa-operands.c (get_expr_operands): Update for
4981 get_indirect_ref_operands changes.
4982 (get_indirect_ref_operands): Call add_virtual_operand instead of
4983 add_stmt_operand. Only recurse on base var if requested.
4984 (access_can_touch_variable): New function.
4985 (add_stmt_operand): Split virtual operand handling into ...
4986 (add_virtual_operand): Here. Add offset, size, and for_clobber
4987 arguments. Prune alias sets.
4988 (add_call_clobber_ops): Call add_virtual_operand.
4990 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4993 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4995 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4996 than TREE_CODE as index into omp_clause_num_ops array.
4998 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5000 PR rtl-optimization/26184
5001 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5003 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5004 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5005 must_precede, must_follow and tobe_scheduled.
5008 * opts.c (common_handle_option): Free new_option pointer.
5009 * df-core.c (df_analyze): Free postorder pointer.
5011 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5013 * Makefile.in: Fix the examples about the use of stamps
5015 2006-02-15 Michael Matz <matz@suse.de>
5019 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5020 influenced by maximum_field_alignment or DECL_PACKED.
5021 (update_alignment_for_field): Ditto.
5022 (place_field): Ditto.
5023 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5026 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5028 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5029 (debug_flow_info): Pass it.
5030 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5031 * bb-reorder.c (reorder_basic_blocks): Likewise.
5032 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5033 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5034 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5035 * gcse.c (gcse_main, bypass_jumps): Likewise.
5036 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5037 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5038 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5039 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5040 * rtl.h (dump_flow_info): Adjust prototype.
5041 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5042 * var-tracking.c (variable_tracking_main): Likewise.
5043 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5044 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5047 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5049 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5052 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5054 PR tree-optimization/26209
5055 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5056 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5058 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5060 2006-02-14 Roger Sayle <roger@eyesopen.com>
5063 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5064 (X,Y) and the corresponding symmetry related transformations.
5065 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5066 (X,Y) and its symmetry related transformations.
5068 2006-02-14 Roger Sayle <roger@eyesopen.com>
5070 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5073 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5075 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5077 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5080 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5081 support COMDAT group.
5082 * configure: Regenerate.
5084 2006-02-14 Roger Sayle <roger@eyesopen.com>
5089 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5091 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5093 Fix PR tree-optimization/26260
5095 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5097 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5098 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5099 * tree-ssa-structalias.c (create_variable_info_for): Use
5100 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5102 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5104 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5106 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5107 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5108 of the ending condition.
5109 * tree-ssa-loop-manip.c: Include params.h.
5110 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5111 tree_unroll_loop): New functions.
5112 * tree-pass.h (pass_loop_prefetch): Declare.
5113 * loop.c (rest_of_handle_loop_optimize): Test for
5114 -fprefetch-loop-arrays-rtl.
5115 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5116 * timevar.def (TV_TREE_PREFETCH): New timevar.
5117 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5118 pass_loop_prefetch): New.
5119 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5120 (cleanup_tree_cfg_loop): Call scev_reset.
5121 * common.opt (fprefetch-loop-arrays-rtl): Add.
5122 * tree-ssa-loop-prefetch.c: New file.
5123 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5124 (new_temp_expr_table): Initialize expr_vars.
5125 (free_temp_expr_table): Cleanup expr_vars.
5126 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5127 expressions from being merged into one.
5128 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5129 (struct tree_niter_desc): Add control, bound and cmp fields.
5130 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5132 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5133 (tree-cfgcleanup.o): Add SCEV_H dependency.
5134 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5135 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5137 2006-02-14 Richard Guenther <rguenther@suse.de>
5139 PR tree-optimization/26258
5140 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5141 in PHI argument processing.
5143 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5145 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5146 new expression in the requested machine mode.
5148 2006-02-13 Roger Sayle <roger@eyesopen.com>
5150 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5151 directly, instead let do_compare_rtx_and_jump handle this for us.
5152 * expr.c (expand_expr_real_1): Likewise.
5153 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5154 before do_jump_by_parts_greater.
5155 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5156 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5158 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5160 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5162 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5164 PR rtl-optimization/26235
5165 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5166 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5169 2006-02-13 Jeff Law <law@redhat.com>
5171 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5174 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5177 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5178 twice if decl is a builtin. When trying again, call get_callee_fndecl
5179 first to verify it is still a builtin.
5181 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5183 * dwarf2out.c (base_type_die): Don't add AT_name here.
5184 (subrange_type_die): Don't add AT_name here.
5185 (modified_type_die): Rearrange code flow. Do add AT_name here.
5187 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5189 PR rtl-optimization/26247
5190 PR rtl-optimization/26248
5191 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5193 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5195 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5196 * config/fixtfdi.c: Likewise.
5197 * config/fixunstfdi.c: Likewise.
5198 * config/floatditf.c: Likewise.
5200 2006-02-13 Roger Sayle <roger@eyesopen.com>
5203 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5204 into (X,C2) if C1 is a subset of the bits of C2. Transform
5205 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5207 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5209 2006-02-13 Josh Conner <jconner@apple.com>
5212 * varasm.c (function_section): Check for section name before
5213 calling select_section on targets that define
5214 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5215 unlikely_text_section instead of hot_function_section if
5216 first_function_block_is_cold.
5218 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5221 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5223 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5225 PR rtl-optimization/26222
5226 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5227 after tree->rtl expansion.
5228 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5229 before passing it to emit_move_insn.
5231 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5233 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5235 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5236 Clarify documentation.
5237 * c-common.h (warn_write_strings): Remove.
5238 * c-common.c (warn_write_strings): Likewise.
5239 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5242 2006-02-12 Roger Sayle <roger@eyesopen.com>
5245 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5246 (do_jump_parts_zero_rtx): New function renamed from
5247 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5248 (do_jump_parts_equality_rtx): New function split out from
5249 do_jump_parts_equality. Old implementation renamed as above.
5250 Call do_jump_parts_zero_rtx if either operand is zero.
5251 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5252 do all of the heavy lifting.
5253 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5254 calling either do_jump_by_parts_greater_rtx or
5255 do_jump_by_parts_equality_rtx.
5256 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5257 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5258 moved to do_compare_rtx_and_jump, call it directly.
5259 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5260 mode argument. Call do_compare_rtx_and_jump.
5261 (emit_case_nodes): Update calls to do_jump_if_equal.
5263 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5265 PR rtl-optimization/26225
5266 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5268 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5270 PR rtl-optimization/26232
5271 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5273 2006-02-11 Jason Merrill <jason@redhat.com>
5276 * tree-inline.c (declare_return_variable): Just don't use the
5277 modify target if it's a gimple complex reg and the return slot
5280 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5282 * doc/contrib.texi: Update my entry.
5284 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5286 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5288 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5290 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5293 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5295 * doc/invoke.texi (-floop-optimize2): Removed.
5296 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5297 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5298 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5299 * common.opt (floop-optimize2): Removed.
5300 (fmove-loop-invariants): Enabled by default.
5302 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5304 * tree-if-conv.c (combine_blocks): Free the result of
5305 get_loop_exit_edges.
5307 2006-02-10 Jeff Law <law@redhat.com>
5309 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5311 PR tree-optimization/26213
5312 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5313 loop trying to follow SSA_NAME_VALUE chains.
5315 2006-02-10 Richard Guenther <rguenther@suse.de>
5317 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5318 deal with structures that end in implicitly variable sized arrays.
5320 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5322 PR rtl-optimization/24762
5323 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5326 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5328 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5329 (struct ivopts_data): Add regs_used field.
5330 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5331 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5332 instead of loop_data->regs_used;
5333 (free_loop_data): Do not free aux fields for loops.
5334 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5335 and tree_ssa_iv_optimize_finalize.
5337 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5339 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5341 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5344 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5345 computing the effective result type.
5347 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5350 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5351 (tree_overlaps_hard_reg_set): Declare.
5352 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5353 type and signature to match function type expected by walk_tree.
5354 (tree_overlaps_hard_reg_set): New function.
5355 (decl_conflicts_with_clobbers_p): Rename to:
5356 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5357 Use tree_overlaps_hard_reg_set. Changed caller.
5358 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5359 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5360 * cris.c (cris_md_asm_clobbers): Likewise.
5362 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5364 * reload1.c (emit_input_reload_insns): Delete code that tries to
5365 inherit using find_equiv_reg.
5367 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5369 * c-common.h (flag_const_strings): Don't declare.
5370 * c-common.c (flag_const_strings): Remove.
5371 * c.opt (fconst_strings): Remove.
5372 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5373 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5374 (c_common_init_options): Don't set flag_const_strings.
5375 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5377 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5379 * arm.md (tlobits_cbranch): New pattern.
5380 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5381 testing a single bit.
5383 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5386 * tree-ssa-pre.c (create_component_ref_by_pieces):
5387 Handle RETURN_DECL like VAR_DECL.
5389 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5392 * fold-const.c (fold_indirect_ref_1): Fold
5393 "*(foo *)&complexfoo" to "__real__ complexfoo"
5394 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5396 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5398 * tree-flow-inline.h (var_can_have_subvars):
5399 Volatile variables should not have subvariables.
5401 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5404 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5405 multiplying unsigned values.
5408 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5410 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5412 2006-02-08 Jason Merrill <jason@redhat.com>
5415 * tree.def: Elaborate on difference from MODIFY_EXPR.
5416 * doc/c-tree.texi (INIT_EXPR): Likewise.
5417 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5418 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5419 (gimplify_target_expr): Likewise.
5420 (gimplify_cond_expr): Remove target handling.
5421 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5422 (gimplify_expr): Clobber it here.
5423 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5424 Do return slot optimization if we have an INIT_EXPR.
5427 * tree-inline.c (declare_return_variable): Also clear
5428 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5431 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5434 * gimplify.c (gimplify_one_sizepos): Fix typo.
5436 2006-02-08 Jeff Law <law@redhat.com>
5438 PR tree-optimization/21417
5439 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5440 across a backedge if the control statement at the end of the
5441 block is data dependent on other statements in the same block.
5442 (record_temporary_equivalences_from_stmts): Remove over-conservative
5443 test for threading across backedges.
5445 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5446 control statement, handle all three special cases in the same
5447 manner as they all have the same desired solution. No longer
5448 special case edge flag updating when the post dominator is
5451 2006-02-08 Roger Sayle <roger@eyesopen.com>
5453 * tree.def (CHAR_TYPE): Remove.
5454 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5455 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5456 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5457 (gen_string_type_die): Delete unreachable function.
5459 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5460 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5461 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5462 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5463 * builtins.c (type_to_class): Likewise.
5464 * fold-const.c (fold_convert, build_range_check,
5465 merge_ranges): Likewise.
5466 * expr.c (count_type_elements): Likewise.
5467 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5468 * stor-layout.c (layout_type): Likewise.
5469 * ipa-type-escape.c (type_to_consider): Likewise.
5470 * gimplify.c (omp_firstprivatize_type_sizes,
5471 gimplify_type_sizes): Likewise.
5472 * explow.c (promote_mode): Likewise.
5473 * tree-sra.c (is_sra_scalar_type): Likewise.
5474 * varasm.c (output_constant): Likewise.
5475 * tree-inline.c (remap_type_1): Likewise.
5476 * convert.c (convert_to_pointer, convert_to_real,
5477 convert_to_integer, convert_to_complex): Likewise.
5479 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5481 * df-scan.c (df_def_record_1): A set destination may
5482 be a parallel regardless of mode.
5484 2006-02-08 Roger Sayle <roger@eyesopen.com>
5487 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5488 * config/mips/_tilib.c: Remove.
5489 * config/fixtfdi.c: New libgcc source file.
5490 * config/fixunstfdi.c: New source file.
5491 * config/floatditf.c: New source file.
5492 * config/floatunditf.c: New souce file.
5493 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5494 files above instead of config/mips/_tilib.c.
5495 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5497 2006-02-08 Jeff Law <law@redhat.com>
5499 PR tree-optimization/26169
5500 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5503 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5505 * df.h (DF_REG_SIZE): Return the length of the initialized
5508 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5510 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5511 __muldf3): Return a correctly signed zero.
5513 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5515 * passes.c (register_one_dump_file): Accept the current properties
5516 instead of pass number. Adjust call to dump_register. Remove
5518 (register_dump_files): Now a wrapper around...
5519 (register_dump_files_1): ... this one. Do not modify the pass
5521 (next_pass_1): Cosmetic fix.
5522 (execute_todo): Keep second parameter only. Use curr_properties
5523 instead of fetching it from the pass structure. Check and set
5525 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5526 instead of fetching it from the pass structure. Fix calls to
5527 execute_todo. Update curr_properties and initialize .vcg RTL dump
5528 after running the pass. Reset last_verified.
5529 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5531 (FIRST_AUTO_NUMBERED_DUMP): New.
5532 (dump_register): Remove "num" parameter, assign it within the
5534 (get_dump_file_name): Modify template for dumps.
5535 * tree-dump.h (dump_register): Adjust prototype.
5536 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5537 (PROP_trees): Add PROP_gimple_lomp.
5538 (TODO_set_props): New.
5539 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5540 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5541 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5543 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5545 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5546 (sparc64-*-linux*): Likewise.
5547 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5548 * config/sparc/t-linux: New file.
5549 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5550 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5551 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5552 -m32 -mlong-double-128.
5554 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5555 * config/alpha/t-linux: New file.
5556 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5558 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5559 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5560 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5561 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5562 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5563 (CPP_ARCH32_SPEC): Remove.
5565 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5567 PR tree-optimization/26145
5568 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5571 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5574 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5575 >= 240000 when generating code for SOM runtime.
5576 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5577 to $$dyncall when generating code for SOM runtime..
5579 2006-02-07 Dirk Mueller <dmueller@suse.com>
5582 * doc/invoke.texi (-Wsequence-point): Update documentation
5583 that -Wsequence-point is implemented for C++ as well.
5585 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5587 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5588 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5589 (LIB_SPEC): Likewise.
5590 * doc/invoke.texi (SPARC options): Document -pthread.
5592 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5594 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5597 2006-02-07 Roger Sayle <roger@eyesopen.com>
5599 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5600 Correct comment describing BOOLEAN_TYPE.
5602 2006-02-07 Dirk Mueller <dmueller@suse.com>
5604 * c.opt: C++ frontend supports -Wdiv-by-zero.
5605 * c-opts.c (c_common_handle_option): Remove dead case.
5607 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5609 * configure.ac (TLS assembler check): Do not enable TLS by
5610 default on SPARC/Solaris before version 10.
5611 * configure: Regenerate.
5613 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5615 * doc/invoke.texi (xl-compat): Document conversion and support
5618 2006-02-07 Jeff Law <law@redhat.com>
5620 * tree-vrp.c (find_conditional_asserts): Update comments.
5621 (simplify_stmt_for_jump_threading): New.
5622 (identify_jump_threads, finalize_jump_threads): New.
5623 (vrp_finalize): Call identify_jump_threads.
5624 (execute_vrp): Call finalize_jump_threads.
5625 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5626 (vrp_element, vrp_data, vrp_element_p): Remove.
5627 (vrp_hash_elt, vrp_variables_stack): Remove.
5628 (vrp_hash, vrp_eq, record_range): Remove.
5629 (simplify_cond_and_lookup_avail_expr): Remove.
5630 (extract_range_from_cond): Remove.
5631 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5632 (simplify_stmt_for_jump_threading): New.
5633 (dom_thread_across_edge): New wrapper.
5634 (tree_ssa_dominator_optimize): No longer initialize or
5635 finalize any of the VRP datastructures. Remove iteration
5636 step and simplify as a result of removal of iteration step.
5637 (pass_dominator): Perform a cfg cleanup after DOM.
5638 (dom_opt_finalize_block): Use the new common routines
5639 for threading jumps. Simplify stack management slightly.
5640 No longer need to unwind VRP state.
5641 (record_equivalences_from_incoming_edge): No longer record
5643 (eliminate_redundant_computations): No longer call
5644 simplify_cond_and_lookup_avail_expr.
5645 * tree-flow.h (potentially_threadable_block): Prototype.
5646 (thread_across_edge): Likewise.
5647 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5648 (tree-ssa-threadedge.o): Add dependencies.
5649 * tree-ssa-threadedge.c: New file.
5650 * passes.c (init_optimization_passes): Merge PHIs before
5651 calling VRP. Run VRP again late in the SSA optimization pipeline.
5653 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5655 * df-core.c (df_set_blocks): Do not dereference function pointers.
5656 (df_finish1): Likewise.
5657 (df_hybrid_search_forward): Likewise.
5658 (df_hybrid_search_backward): Likewise.
5659 (df_iterative_dataflow): Likewise.
5660 (df_analyze_problem): Likewise.
5661 (df_compact_blocks): Likewise.
5662 (df_dump): Likewise.
5663 * df-scan.c (df_rescan_blocks): Likewise.
5664 (df_record_entry_block_defs): Likewise.
5666 * genconditions.c (write_conditions): Guard the definition of
5667 'insn_conditions' with the check on GCC version.
5668 (write_writer): Guard the traversal 'insn_conditions' with
5669 the check on GCC version.
5671 2006-02-07 Richard Guenther <rguenther@suse.de>
5675 2006-01-30 Richard Guenther <rguenther@suse.de>
5677 * gimplify.c (gimplify_target_expr): Handle easy cases
5678 without creating a temporary.
5680 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5682 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5683 use of float in probability computations. Use edge probabilities
5684 in place of statically computed probabilities.
5685 (min_spec_prob): New static variable.
5686 (schedule_insns): Initialize it.
5687 (GET_SRC_PROB): Removed.
5688 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5690 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5693 * config/ia64/unwind-ia64.c: Revert last change.
5694 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5695 (INCOMING_FRAME_SP_OFFSET): Define.
5697 2006-02-06 Roger Sayle <roger@eyesopen.com>
5699 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5701 2006-02-07 Ben Elliston <bje@au.ibm.com>
5703 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5704 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5705 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5706 (ix86_return_in_memory): Handle TDmode.
5707 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5708 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5710 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5712 * reorg.c (dbr_schedule): Use dump_file instead of file.
5714 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5717 * config/ia64/predicates.md (extr_len_operand): New predicate.
5718 * config/ia64/ia64.md (extv): Tighten constraints.
5720 (*tbit_and_2): Ditto.
5721 (*tbit_and_3): Ditto.
5722 (*tbit_or_2): Ditto.
5723 (*tbit_or_3): Ditto.
5727 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5730 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5732 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5734 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5735 loop_optimizer_init and loop_optimizer_finalize
5736 * tree-ssa-sink.c (execute_sink_code): Ditto.
5737 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5738 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5739 tree_ssa_loop_done): Ditto.
5740 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5741 * sched-ebb.c: Include output.h.
5742 (schedule_ebbs): Do not use dump argument.
5743 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5744 * loop.c (loop_dump_stream): Removed.
5745 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5747 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5748 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5749 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5750 loop_iterations, strength_reduce, record_biv, record_giv,
5751 final_giv_value, check_final_value, check_ext_dependent_givs,
5752 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5753 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5754 dump_file instead of loop_dump_stream.
5755 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5757 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5759 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5760 * haifa-sched.c: Include output.h
5761 (schedule_insns, sched_init): Do not use dump argument.
5762 * mode-switching.c (optimize_mode_switching): Ditto.
5763 * modulo-sched.c (stats_file): Removed.
5764 (print_node_sched_params): Do not call argument dump_file.
5765 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5766 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5768 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5770 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5771 rtl_loop_init, rtl_loop_done): Ditto.
5772 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5773 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5775 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5776 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5777 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5778 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5779 * emit-rtl.c (renumber_insns): Ditto.
5780 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5781 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5782 * regclass.c (regclass): Ditto.
5783 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5784 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5785 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5786 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5788 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5789 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5791 * gcse.c (gcse_file, debug_stderr): Removed.
5792 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5793 rest_of_handle_gcse): Do not use dump argument.
5794 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5795 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5796 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5797 compute_code_hoist_vbeinout, compute_code_hoist_data,
5798 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5799 compute_store_table, build_store_vectors, insert_insn_start_bb,
5800 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5801 store_motion): Use dump_file instead of gcse_file.
5802 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5803 * profile.c (profile_dump_file): Removed.
5804 (branch_prob): Use dump_file instead of profile_dump_file.
5805 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5807 * tree-ssa-copy.c (dump_copy_of): Ditto.
5808 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5809 dump file to life_analysis.
5810 * bt-load.c (branch_target_load_optimize): Ditto.
5811 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5813 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5814 regclass, dbr_schedule): Declaration changed.
5815 * sched-int.h (sched_init): Declaration changed.
5816 * tree-profile.c (tree_profile_dump_file): Removed.
5817 (tree_profile_hooks): Removed profile_dump_file hook.
5818 * rtl-profile (rtl_profile_dump_file): Removed.
5819 (rtl_profile_hooks): emoved profile_dump_file hook.
5820 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5822 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5823 * tree-cfg.c (build_tree_cfg): Ditto.
5824 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5825 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5826 Declaration changed.
5827 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5828 life_analysis and schedule_insns.
5829 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5831 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5833 * config/mips/mips.c (mips_reorg): Ditto.
5834 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5837 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5839 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5840 (s390_mangle_fundamental_type): New.
5841 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5844 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5845 (alpha_mangle_fundamental_type): New.
5846 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5849 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5851 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5853 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5854 (sparc_mangle_fundamental_type): New.
5856 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5858 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5859 (s390x-*-linux*): Likewise.
5860 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5861 * config/s390/t-linux: New file.
5863 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5865 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5866 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5868 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5870 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5871 (ANTIC_SAFE_LOADS): New macro.
5872 (find_or_generate_expression): Add prototype.
5873 (set_contains_value): Allow null set for sake of not always having
5874 to allocate ANTIC_SAFE_LOADS.
5875 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5876 Allow COMPONENT_REF too.
5877 (valid_in_set): Allow COMPONENT_REF.
5878 Check ANTIC_SAFE_LOADS too.
5879 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5880 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5882 (can_PRE_operation): Add COMPONENT_REF.
5883 (create_component_ref_by_pieces): New function.
5884 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5885 (insert_aux): Move AGGREGATE_TYPE_P check here.
5886 (compute_avail): Set bb local stmt uids.
5887 (pass_pre): Use TODO_update_ssa_only_virtuals.
5889 2006-02-06 Ben Elliston <bje@au.ibm.com>
5891 * configure.ac: Unconditionally disable decimal float by default.
5892 * configure: Regenerate.
5894 2006-02-06 Ben Elliston <bje@au.ibm.com>
5896 * read-rtl.c (read_name): Terminate reading on EOF.
5898 2006-02-06 Ben Elliston <bje@au.ibm.com>
5900 * dfp.c (decimal_real_arithmetic): Change second argument type
5901 from int to enum tree_code. Do not always return true, but now
5902 return result of any call to decimal_do helper functions.
5903 * dfp.h (decimal_real_arithmetic): Update prototype.
5905 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5907 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5909 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5912 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5915 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5917 * tree-vrp.c (cfg_loops): Removed.
5918 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5919 Use current_loops instead of cfg_loops. Pass flags to
5920 loop_optimizer_init.
5921 * cfgloopmanip.c (fix_loop_structure): Update only available
5923 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5924 loop_optimizer_init.
5925 * modulo-sched.c (build_loops_structure): Removed.
5926 (sms_schedule): Use loop_optimizer_init.
5927 * loop-init.c (loop_optimizer_init): Use flags to determine
5928 which properties of loops to prepare.
5929 (rtl_loop_init): Pass flags to loop_optimizer_init.
5930 * tree-ssa-sink.c (execute_sink_code): Ditto.
5931 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5932 * tree-ssa-pre.c (init_pre): Ditto.
5933 * cfgloop.h (LOOPS_NORMAL): New.
5934 (loop_optimizer_init): Declaration changed.
5936 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5938 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5939 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5941 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5943 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5945 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5946 * pa/t-pa64: Delete quadlib.c rule.
5947 * pa/x-ada: Revert last change.
5948 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5950 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5952 PR rtl-optimization/26087
5953 * rtlanal.c (canonicalize_condition): Do not cross basic block
5956 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5959 * config/ia64/ia64.c: Include debug.h.
5960 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5961 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5962 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5963 (process_epilogue, process_set, process_for_unwind_directive):
5964 Output unwind info only if requested. Add CFA info if requested.
5965 Add new arguments as needed. Adjust callers.
5966 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5968 (DWARF2_FRAME_INFO): Define to zero.
5969 * config/ia64/unwind-ia64.c: Remove code that compensated for
5970 the CFA offset error fixed above.
5971 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5972 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5973 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5974 -funwind-tables and -fexceptions to enable frame info.
5975 (dwarf2out_frame_init): Define initial CFA even if
5976 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5977 DWARF2_UNWIND_INFO is nonzero, not just defined.
5978 (dwarf2out_frame_finish): Output non-EH call frame info only
5979 if DWARF2_FRAME_INFO is nonzero.
5980 (convert_cfa_to_loc_list,
5981 compute_frame_pointer_to_cfa_displacement): Define even if
5982 unwind info is not supported.
5983 (gen_subprogram_die): Use the above unconditionally. Remove
5984 legacy alternate code.
5985 * toplev.c (compile_file): Compile in call to
5986 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5987 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5989 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5990 Jakub Jelinek <jakub@redhat.com>
5992 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5993 IBM extended float format long double as "g" on powerpc*-linux.
5995 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5998 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5999 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6001 2006-02-03 Jason Merrill <jason@redhat.com>
6004 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6007 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6008 on the return slot if it's an NRV.
6010 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6012 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6013 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6014 rewrite_use): Do not handle USE_OUTER.
6015 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6016 add_iv_outer_candidates, may_replace_final_value,
6017 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6018 (find_interesting_uses_op): Functionality of
6019 find_interesting_uses_outer_or_nonlin moved here.
6020 (find_interesting_uses_outside): Use find_interesting_uses_op.
6022 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6025 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6027 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6028 Ulrich Weigand <uweigand@de.ibm.com>
6031 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6032 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6033 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6034 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6036 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6037 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6038 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6039 Define secondary reloads for TFmode moves.
6040 (constant_modes): Add TFmode.
6041 (NR_C_MODES): Set to 8.
6042 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6044 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6045 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6046 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6047 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6048 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6049 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6050 (FPR mode macro): Add TFmode.
6051 (DSF mode macro): New.
6052 (<de>, <dee> mode attributes): Removed.
6053 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6054 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6055 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6056 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6057 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6058 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6059 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6060 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6061 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6062 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6063 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6064 "*negabs<mode>2", "sqrt<mode>2"):
6065 Changed <de> to <xde>. R constraint replaced by <Rf>.
6066 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6068 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6069 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6070 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6072 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6073 "extenddftf2", "extendsftf2"): New expanders.
6074 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6075 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6076 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6077 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6079 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6080 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6081 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6082 __floatditf): Add a GCC_4.1.0 symbol version tag.
6083 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6086 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6089 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6090 Use targetm.binds_local_p instead of TREE_PUBLIC.
6092 2006-02-02 Roger Sayle <roger@eyesopen.com>
6094 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6095 on INTEGER_TYPEs to indicate that it denotes a character type.
6096 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6097 signed_char_type_node, unsigned_char_type_node and char_type_node.
6098 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6099 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6100 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6102 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6103 Daniel Berlin <dberlin@dberlin.org>
6105 * tree-tailcall.c (arg_needs_copy_p): New function.
6106 (eliminate_tail_call): Use arg_needs_copy_p.
6107 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6108 (add_virtual_phis): New function.
6110 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6112 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6113 #ignore instead of #scratch for %g7 .register directive.
6115 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6117 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6120 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6122 * flow.c (calculate_global_regs_live): Assert that there aren't any
6125 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6127 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6129 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6130 bsi_after_labels iterator.
6131 * tree-if-conv.c (find_phi_replacement_condition,
6132 replace_phi_with_cond_modify_expr): Likewise.
6133 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6134 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6136 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6138 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6140 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6143 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6144 array after growing it.
6146 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6149 * fold-const.c (fold_checksum_tree): Change type of buf.
6151 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6153 * reload.c (push_secondary_reload): Initialize t_icode.
6155 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6157 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6158 -msoft-float -mlong-double-128 only issue a warning, but don't
6159 swich to DFmode long double.
6161 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6163 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6164 has a constant equivalent, iterate over equivalents for arg0,
6165 calling simplify_relational_operation and if there's a result
6166 cheaper than X, apply fold_rtx and return the result.
6168 2006-02-01 Jan Hubicka <jh@suse.cz>
6170 * opts.c (no_unit_at_a_time_default): New global variable.
6171 (decode_options): Use it.
6172 * opts.h (no_unit_at_a_time_default): Declare.
6174 2006-02-01 Paul Brook <paul@codesourcery.com>
6176 * function.c (assign_parm_setup_reg): Use function argument promotion
6178 * expr.c (expand_expr_real_1): Use function argument promotion rules
6181 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6183 * gcc.c (process_command): Change j to 'unsigned int'.
6185 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6188 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6189 Use the corrected index for the character
6190 out of the string constant.
6192 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6194 * mode-switching.c (optimize_mode_switching): Fix size
6195 allocated for bb_info[n_entities].
6197 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6199 * gcc.c (main): Correct type that is allocated for
6200 explicit_link_files.
6202 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6204 * config/s390/s390.c (init_alignment_context): Set
6205 ALIAS_SET_MEMORY_BARRIER on the MEM.
6206 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6208 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6211 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6213 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6216 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6218 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6219 * regrename.c: Ditto.
6220 * tree-ssa-loop-im.c: Ditto.
6221 * tree-dump.c: Ditto.
6222 * tree-complex.c: Ditto.
6223 * genrecog.c: Ditto.
6224 * tree-ssa-threadupdate.c: Ditto.
6226 * java/class.c: Ditto.
6227 * java/jcf-parse.c: Ditto.
6228 * java/resource.c: Ditto.
6229 * java/except.c: Ditto.
6230 * java/jvspec.c: Ditto.
6231 * java/jcf-write.c: Ditto.
6232 * java/jcf-path.c: Ditto.
6233 * java/gjavah.c: Ditto.
6234 * java/zextract.c: Ditto.
6235 * java/jcf-io.c: Ditto.
6236 * java/jcf.h: Ditto.
6237 * java/buffer.c: Ditto.
6238 * java/lang.c: Ditto.
6239 * java/parse-scan.y: Ditto.
6240 * java/lex.c: Ditto.
6241 * java/lex.h: Ditto.
6242 * cfgloopmanip.c: Ditto.
6243 * postreload-gcse.c: Ditto.
6244 * tree-ssa-loop-manip.c: Ditto.
6245 * postreload.c: Ditto.
6246 * tree-ssa-loop-ch.c: Ditto.
6250 * diagnostic.c: Ditto.
6252 * genoutput.c: Ditto.
6254 * cfghooks.c: Ditto.
6255 * cfgloopanal.c: Ditto.
6256 * objc/objc-act.c: Ditto.
6258 * genextract.c: Ditto.
6259 * genautomata.c: Ditto.
6260 * pretty-print.c: Ditto.
6262 * cgraphunit.c: Ditto.
6265 * haifa-sched.c: Ditto.
6266 * dominance.c: Ditto.
6268 * tree-ssa-loop-ivopts.c: Ditto.
6270 * mode-switching.c: Ditto.
6271 * modulo-sched.c: Ditto.
6273 * ipa-pure-const.c: Ditto.
6275 * fix-header.c: Ditto.
6277 * tree-stdarg.c: Ditto.
6278 * ipa-utils.c: Ditto.
6279 * loop-init.c: Ditto.
6280 * ipa-inline.c: Ditto.
6283 * alloc-pool.c: Ditto.
6284 * dwarf2out.c: Ditto.
6286 * genattrtab.c: Ditto.
6287 * tree-ssa-loop-ivcanon.c: Ditto.
6291 * fortran/gfortranspec.c: Ditto.
6293 * local-alloc.c: Ditto.
6294 * langhooks.c: Ditto.
6295 * function.c: Ditto.
6296 * tree-vectorizer.c: Ditto.
6298 * ipa-type-escape.c: Ditto.
6300 * tree-if-conv.c: Ditto.
6303 * tree-data-ref.c: Ditto.
6304 * loop-unroll.c: Ditto.
6305 * treelang/treetree.c: Ditto.
6308 * ggc-common.c: Ditto.
6310 * coverage.c: Ditto.
6312 * tree-cfgcleanup.c: Ditto.
6313 * tree-ssa-pre.c: Ditto.
6314 * cfgcleanup.c: Ditto.
6315 * loop-invariant.c: Ditto.
6317 * ipa-prop.c: Ditto.
6318 * print-tree.c: Ditto.
6319 * conflict.c: Ditto.
6320 * ggc-page.c: Ditto.
6321 * sched-deps.c: Ditto.
6322 * regclass.c: Ditto.
6323 * tree-object-size.c: Ditto.
6325 * bb-reorder.c: Ditto.
6326 * resource.c: Ditto.
6327 * var-tracking.c: Ditto.
6329 * df-problems.c: Ditto.
6330 * reg-stack.c: Ditto.
6333 * sched-rgn.c: Ditto.
6334 * tree-ssa-structalias.c: Ditto.
6335 * tree-ssa-reassoc.c: Ditto.
6336 * config/darwin-c.c: Ditto.
6337 * config/darwin.c: Ditto.
6338 * config/arm/arm.c: Ditto.
6340 * collect2.c: Ditto.
6343 2006-01-31 Nicolas Pitre <nico@cam.org>
6345 * arm.md (smaxsi3): Make aware of smax_m1.
6348 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6350 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6352 2006-01-31 Richard Guenther <rguenther@suse.de>
6354 * doc/invoke.texi (-msselibm): Document.
6355 * target.h (expand_library_builtin): New target hook.
6356 * builtins.c (expand_builtin): Use expand_library_builtin.
6357 (default_expand_library_builtin): New function.
6358 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6359 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6360 (link_gcc_math_spec): Declare.
6361 (static_specs): Add link_gcc_math_spec.
6362 * expr.h (default_expand_library_builtin): Declare.
6363 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6364 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6365 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6366 * config/i386/i386.opt (msselibm): New target option.
6367 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6368 (ix86_init_sse_abi_builtins): New function.
6369 (ix86_expand_library_builtin): Likewise.
6370 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6371 (override_options): Handle error conditions wrt -msselibm.
6372 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6373 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6374 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6377 2006-01-31 Richard Guenther <rguenther@suse.de>
6378 Paolo Bonzini <bonzini@gnu.org>
6380 * doc/install.texi (--disable-libgcc-math): Document.
6382 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6384 * expr.h (expand_normal): new inline function.
6385 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6387 * dwarf2out.c: use it.
6392 * config/sparc/sparc.c: use it.
6393 * config/i386/i386.c: use it.
6394 * config/rs6000/rs6000.c: use it.
6395 * config/arm/arm.c: use it.
6396 * config/mips/mips.c: use it.
6397 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6399 2006-01-30 Roger Sayle <roger@eyesopen.com>
6401 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6402 argv to the appropriate type.
6404 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6406 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6409 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6412 * config/s390/s390.c (struct machine_function): New flag
6413 decomposed_literal_pool_addresses_ok_p.
6414 (s390_reorg): Set it before final stage of literal pool transforms.
6415 (s390_decompose_address): Only accept displacements of the form
6416 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6418 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6420 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6421 the comparison routine return.
6423 2006-01-30 Michael Matz <matz@suse.de>
6425 * global.c (find_reg): Only evict for global regs.
6426 Take n_refs into account and dump more info.
6428 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6431 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6432 (pragma_trap, pragma_nosave_low_regs): Likewise.
6433 (current_function_anonymous_args): Likewise.
6434 (sh_deferred_function_attributes): New variable.
6435 (sh_deferred_function_attributes_tail): Likewise.
6436 (print_operand): For '@', look up trap_exit attribute.
6437 (calc_live_regs): Look up trapa_handler attribute. For trapa
6438 handlers, save/restore fpscr, but don't do any other
6439 interrupt-specific saves.
6440 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6441 Fix check for partially saved registers to check for SHmedia.
6442 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6443 (sh_output_function_epilogue): Don't clear any of the removed
6445 (sh_insert_attributes): Don't check pragma_interrupt.
6446 Insert deferred attributes. Check that interrupt attribute is
6447 present for other attributes that require its presence.
6448 (sh_attribute_table): Add new attributes trapa_handler and
6450 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6451 Don't check for pragma_interrupt. Don't store argument.
6452 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6453 (sh_deferred_function_attributes): Declare.
6454 (sh_deferred_function_attributes_tail): Likewise.
6455 * sh.md (sp_switch_1): Add operand. Change generator caller.
6456 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6457 (*return_i): Don't use when trap_exit attribute is in effect.
6458 (*return_trapa): New insn pattern.
6460 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6461 setting c_target_objs and cxx_target_objs.
6462 * t-sh: Add rule for sh-c.o.
6464 2006-01-30 Richard Guenther <rguenther@suse.de>
6467 * gimplify.c (gimplify_target_expr): Handle easy cases
6468 without creating a temporary.
6470 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6472 * vec.h (safe_grow): Remove duplicated line.
6474 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6477 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6478 (expand_omp): ... here.
6479 (expand_omp_parallel): Only remove barriers for combined
6480 parallel+workshare constructs.
6482 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6486 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6487 * tree.c (build_qualified_type): Chain the new type to the original
6488 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6489 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6490 (build_pointer_type_for_mode): Only return unqualified types.
6491 (build_reference_type_for_mode): Likewise.
6493 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6495 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6496 * Makefile.in (CXX_COMPAT_WARN): Define.
6497 * configure: Regenerate.
6499 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6502 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6505 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6507 * toplev.c: Fix thinko.
6509 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6510 Marcin Dalecki <martin@dalecki.de>
6512 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6513 (push_srcloc): Use XNEW.
6514 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6516 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6518 * df-core.c (df_set_blocks): Deleted all variable.
6520 2006-01-28 Ian Lance Taylor <ian@airs.com>
6522 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6523 cgraph_output_pending_asms.
6525 2006-01-28 Zack Weinberg <zackw@panix.com>
6527 * c.opt: Add -W(no-)overlength-strings.
6528 * doc/invoke.texi: Document it.
6529 * c-opts.c (c_common_handle_option): -pedantic implies
6530 -Woverlength-strings, if not explicitly disabled already.
6531 (c_common_post_options): -Woverlength-strings defaults to off, and
6532 is always off for C++.
6533 * c-common.c (fix_string_type): Issue warning about strings longer
6534 than is portable only if warn_overlength_strings. Rearrange code
6535 a little for clarity.
6536 * configure.in: Check for -Wno-overlength-strings as well before
6537 enabling -pedantic in stage 1.
6538 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6539 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6541 * genconditions.c (write_header, write_one_condition)
6542 (write_conditions, write_writer): Consolidate very long strings
6543 that were broken up to fit in C89 portable limit. Don't use
6544 printf when fputs will do.
6546 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6548 * combine.c (simplify_comparison <AND>): Check
6549 TRULY_NOOP_TRUNCATION before start using a subreg.
6551 * config/mips/mips.md (*branch_zero<mode>,
6552 *branch_zero<mode>_inverted, *branch_equality<mode>,
6553 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6554 Remove mode check from comparisons.
6556 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6558 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6560 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6562 * expmed.c (const_mult_add_overflow_p): Remove.
6563 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6565 * recog.c (validate_replace_rtx_subexp): Remove.
6566 * recog.h: Remove the prototype for
6567 validate_replace_rtx_subexp.
6569 * integrate.h: Remove the prototype for
6570 copy_decl_for_inlining.
6571 * rtl.h: Remove the prototype for mark_constant_function.
6572 * tree-vectorizer.h: Remove the prototype for
6573 vect_strip_conversion.
6575 * modulo-sched.c (create_partial_schedule,
6576 free_partial_schedule, reset_partial_schedule): Make them
6579 * hooks.c (hook_bool_rtx_int_false): Remove.
6580 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6582 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6584 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6585 and -mlong-double-128 are incompatible.
6586 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6587 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6588 (TARGET_LIBGCC2_CFLAGS): Define.
6589 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6590 (TARGET_LIBGCC2_CFLAGS): Same.
6591 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6593 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6596 * c-typeck.c (build_binary_op): Perform implicit casts of
6597 operands before shortening them.
6599 * cfgloopmanip.c (split_loop_bb): Remove.
6600 * cfgloop.h: Remove the prototype for split_loop_bb.
6602 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6603 * cfgloop.h: Remove the prototype for
6604 flow_loop_outside_edge_p.
6606 * emit-rtl.c (init_virtual_regs): Make it static.
6607 * function.h: Remove the prototype for init_virtual_regs.
6609 * recog.c (peephole2_optimize): Make it static.
6610 * recog.h: Remove the prototype for peephole2_optimize.
6612 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6614 * df-scan.c (df_record_entry_block_defs): Check if
6615 INCOMING_RETURN_ADDR_RTX is defined.
6617 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6618 Kenneth Zadeck <zadeck@naturalbridge.com>
6620 PR rtl-optimization/24762
6621 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6622 * targhooks.c (hook_void_bitmap): New hook prototype.
6623 * targhoohs.h (hook_void_bitmap): Ditto.
6624 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6625 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6626 * target.h (live_on_entry): New function pointer.
6627 * df-scan.c (df_all_hard_regs): Removed.
6628 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6629 (df_scan_free_internal): Added df->entry_block_defs.
6630 (df_scan_alloc): Ditto.
6631 (df_scan_dump): Ditto.
6632 (df_uses_record): Plumbed flag field properly thru calls.
6633 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6634 This part fixes PR24762.
6635 (df_bb_refs_record): Added code to make the frame and arg
6636 pointers live in EH blocks.
6637 (df_refs_record): Added call to df_record_entry_block_defs.
6638 (df_record_entry_block_defs): New function.
6639 * df-core.c: Added comments to describe new artifical defs.
6640 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6641 (entry_block_defs): New field in struct df.
6642 (df_all_hard_regs): Deleted.
6643 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6644 * df-problems.c (df_ru_bb_local_compute_process_def):
6645 Added code to handle artifical defs in the entry to a function.
6646 (df_ru_bb_local_compute): Ditto.
6647 (df_rd_bb_local_compute_process_def): Ditto.
6648 (df_rd_bb_local_compute): Ditto.
6649 (df_lr_bb_local_compute): Ditto.
6650 (df_ur_bb_local_compute): Ditto.
6651 (df_urec_bb_local_compute): Ditto.
6652 (df_chain_create_bb): Ditto.
6653 (df_ur_local_finalize): Removed entry.
6654 (df_urec_init): Ditto.
6655 (df_urec_local_finalize): Ditto.
6656 (df_ri_bb_compute): Added detection of last use of pseudos.
6657 * Makefile.in (df-scan.o): Updated dependencies.
6658 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6659 * config/mips/mips.c (mips_set_live_on_entry): Added.
6660 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6662 * dce.c (marked_insn_p): Added code to handle artifical defs.
6664 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6666 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6668 (_mm_cvtsi128_si64): Likewise.
6669 (_mm_cvtsd_si64): Likewise.
6670 (_mm_cvttsd_si64): Likewise.
6671 (_mm_cvtsi64_sd): Likewise.
6672 (_mm_cvtsi64_si128): Likewise.
6673 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6674 (_mm_cvtsi64_m64): Likewise.
6675 (_m_to_int64): Likewise.
6676 (_mm_cvtm64_si64): Likewise.
6677 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6678 (_mm_cvttss_si64): Likewise.
6679 (_mm_cvtsi64_ss): Likewise.
6680 (_mm_cvtss_f32): Likewise.
6682 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6684 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6685 for pragma redefine_extname.
6687 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6690 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6691 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6692 -mno-minimal-toc to previous content.
6693 (bispecs): Remove goal.
6694 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6695 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6696 compatibility aliases on powerpc-*-*gnu*.
6697 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6698 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6699 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6700 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6701 (ldblspecs): New goal.
6702 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6703 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6705 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6706 L_sf_to_tf or L_df_to_tf is defined.
6708 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6709 Alan Modra <amodra@bigpond.net.au>
6712 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6713 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6714 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6715 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6716 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6717 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6718 (rs6000_override_options): Initialize rs6000_ieeequad.
6719 Initialize TFmode format to ibm_extended_format if not
6721 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6723 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6724 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6725 (function_arg_advance): IBM long double passed in two FPRs, not
6727 (function_arg): IBM long double passed in FPRs.
6728 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6729 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6730 Only multireg GPR aligned.
6731 (rs6000_init_libfuncs): Enable IBM long double functions if not
6733 (rs6000_generate_compare): Use IBM long double compare if not
6735 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6736 (TARGET_IEEEQUAD): Define.
6737 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6738 not TARGET_IEEEQUAD.
6739 * config/rs6000/rs6000.md: Enable TFmode patterns if
6741 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6742 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6743 and -mlong-double-128 are incompatible.
6744 * doc/invoke.texi (-mabi): Collect options together. Add
6745 ibmlongdouble and ieeelongdouble.
6747 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6749 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6751 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6752 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6753 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6754 * rtl.h (rtunion_def): Remove rt_ptr.
6756 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6757 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6758 * config/i386/winnt.c (i386_pe_mark_dllexport)
6759 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6761 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6763 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6765 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6769 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6770 pthread_key_delete. From John David Anglin. gthrw-ify
6771 pthread_getunique_np only if it it's not a macro. Delete
6773 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6774 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6775 __gthread_objc_condition_signal, __gthread_key_delete): Add
6776 "__attribute__ ((__unused__))" to unused arguments.
6777 (__gthread_recursive_mutex_init_function): Add missing return.
6778 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6779 gthr-posix95.h: Use macro-based approach for name redirection
6780 on targets missing weakref.
6782 2006-01-26 Zack Weinberg <zackw@panix.com>
6784 * genconditions.c (write_header): In generated code, #ifdef out
6785 all includes and fake declarations, except includes of bconfig.h
6786 and system.h, unless GCC_VERSION >= 3001. Do not include
6787 gensupport.h in any case.
6788 (write_conditions): Generate a definition of struct c_test. Add
6789 a comment to the generated #endif.
6790 (write_one_condition): Escape backslashes in string too.
6791 (write_writer): Generated code must escape backslashes and quote
6792 marks (but not newlines) in the strings it writes.
6793 * Makefile.in (build/gencondmd.o): Update dependencies.
6795 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6798 * Makefile.in (insn-automata.o): Add header file dependencies.
6799 * genautomata.c: Add includes.
6801 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6804 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6806 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6808 * configure.ac: Expect target tools paths to be passed from the toplevel
6809 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6811 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6813 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6816 * c.opt (Wpointer-sign): Init to -1.
6817 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6818 OPT_pedantic, to 0 otherwise.
6819 * doc/invoke.texi: Update.
6821 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6823 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6824 constants provided by 80387 instructions in the destination mode.
6826 2006-01-26 Richard Guenther <rguenther@suse.de>
6827 Andrew Pinski <pinskia@physics.uc.edu>
6830 partial PR tree-opt/17064
6831 * tree-ssa-structalias.c (intra_create_variable_infos):
6832 Create heap variables for incoming parameters if
6833 flag_argument_noalias > 1.
6834 (find_what_p_points_to): Look through default defs of
6837 2006-01-26 Jeff Law <law@redhat.com>
6840 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6841 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6842 within the VR_RANGE, use the VR_RANGE as the result, not the
6844 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6845 bounds for the type.
6847 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6849 * tree-ssa-alias.c (maybe_create_global_var): Change
6850 subvar walking to an assertion that we don't have subvar'd variables.
6852 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6855 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6856 Use a new variable, inner. PARM_DECLs are always non-weak.
6858 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6860 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6863 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6865 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6867 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6869 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6870 (smax_insn, smin_insn, smax_0, smin_0): New.
6872 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6875 * config/cris/cris.c (cris_order_for_addsi3): New function.
6876 * config/cris/cris-protos.h: Prototype it.
6877 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6878 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6879 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6880 (split for "op.S1 [rx=rx+i],ry (swapped)")
6881 (split for "op(s|u).S1 [rx=rx+i],ry")
6882 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6883 Apply cris_order_for_addsi3 when generating addsi3 insns.
6885 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6887 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6888 (TREE_BLOCK): Add call to EXPR_CHECK.
6890 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6893 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6894 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6895 (dump_omp_clauses): ... here.
6896 (dump_generic_node): Handle OMP_CLAUSE.
6897 * tree.c (omp_clause_num_ops): New.
6898 (omp_clause_code_name): New.
6899 (tree_code_size): Handle OMP_CLAUSE.
6900 (tree_size): Likewise.
6901 (make_node): Document handling of OMP_CLAUSE.
6902 (tree_node_structure): Handle OMP_CLAUSE.
6903 (omp_clause_check_failed): New.
6904 (omp_clause_range_check_failed): New.
6905 (omp_clause_operand_check_failed): New.
6906 (build_omp_clause): New.
6907 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6908 * tree.h (enum omp_clause_code): Declare.
6909 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6910 (OMP_CLAUSE_RANGE_CHECK): Define.
6911 (OMP_CLAUSE_ELT_CHECK): Define.
6912 (omp_clause_check_failed): Declare.
6913 (omp_clause_operand_check_failed): Declare.
6914 (omp_clause_range_check_failed): Declare.
6915 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6916 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6917 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6918 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6919 (OMP_CLAUSE_IF_EXPR): Likewise.
6920 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6921 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6922 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6923 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6924 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6925 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6926 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6927 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6928 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6929 (OMP_CLAUSE_CODE): Define.
6930 (OMP_CLAUSE_SET_CODE): Define.
6931 (OMP_CLAUSE_CODE): Define.
6932 (OMP_CLAUSE_OPERAND): Define.
6933 (struct tree_omp_clause): Declare.
6934 (union tree_node): Add field 'omp_clause'.
6935 * treestruct.def (TS_OMP_CLAUSE): Define.
6936 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6937 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6938 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6939 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6940 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6941 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6942 (OMP_CLAUSE): Define.
6943 * print-tree.c (print_node): Handle OMP_CLAUSE.
6944 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6945 * c-typeck.c: Likewise.
6946 * gimplify.c: Likewise.
6947 * c-omp.c: Likewise.
6948 * tree-nested.c: Likewise.
6949 * tree-inline.c: Likewise.
6950 * c-parser.c: Likewise.
6951 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6954 2006-01-25 Roger Sayle <roger@eyesopen.com>
6956 PR rtl-optimization/25703
6957 * combine.c (try_combine): Handle zero_extract and strict_low_part
6958 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6960 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6962 * global.c: Fix comment typos.
6964 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6967 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6968 Use output_addr_const instead of assemble_name.
6970 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6972 * Makefile.in (sched-vis.o): Update dependencies.
6973 * haifa-sched.c (sched_finish): Clear current_sched_info.
6974 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6975 (dump_flow_info): Call it.
6976 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6978 * basic-block.h (dump_bb_info): Declare.
6979 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6980 option, and apply options only for dump files whose TDF_RTL,
6981 TDF_TREE, or TDF_IPA bits match.
6982 * rtl.h: Declare new functions exported from sched-vis.c.
6983 * sched-vis.c: Enable also if scheduling is not used.
6984 (print_value): Print the mode of registers if not inside scheduling.
6985 (print_insn): Make it work outside the scheduler. Beautify the output
6987 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6989 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6991 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6992 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6993 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6994 depending on the value of CONSTANT_POOL_ADDRESS_P.
6995 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6997 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6998 rather than SYMBOL_REF_DECL.
6999 (rtx_constant_pool): Remove const_rtx_sym_htab.
7000 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7001 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7002 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7003 Remove handling of const_rtx_sym_htab.
7004 (find_pool_constant): Delete.
7005 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7006 rather than find_pool_constant.
7007 (get_pool_constant_for_function): Delete.
7008 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7010 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7011 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7012 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7013 (SYMBOL_REF_CONSTANT): New macro.
7014 (get_pool_constant_for_function): Delete.
7015 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7016 rather than SYMBOL_REF_DECL.
7017 (i386_pe_mark_dllimport): Likewise.
7018 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7019 rather than SYMBOL_REF_DECL.
7020 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7021 (machopic_indirect_call_target): Likewise.
7023 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7025 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7027 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7029 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7031 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7033 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7035 2006-01-24 David Daney <ddaney@avtrex.com>
7038 * configure.ac (enable_tls): New enable option.
7039 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7040 * configure: Regenerate.
7041 * doc/install.texi (--enable-tls): Document new option.
7042 (--disable-tls): Ditto.
7044 2006-01-24 Richard Henderson <rth@redehat.com>
7046 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7047 * alias.c (true_dependence): Respect it.
7048 (canon_true_dependence, write_dependence_p): Likewise.
7049 * builtins.c (get_builtin_sync_mem): Set it.
7051 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7053 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7056 2006-01-24 DJ Delorie <dj@redhat.com>
7058 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7059 for storing constants in single-bit bitfields.
7061 2006-01-25 Ben Elliston <bje@au.ibm.com>
7063 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7065 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7068 * tree-ssa-pre.c (phi_translate): Return NULL
7069 for AGGREGATE_TYPE's.
7071 2006-01-24 Zack Weinberg <zackw@panix.com>
7073 * genautomata.c (process_state_for_insn_equiv_partition):
7074 Use xcalloc for insn_arcs_array.
7075 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7076 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7078 2006-01-24 Richard Henderson <rth@redhat.com>
7080 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7083 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7085 PR rtl-optimization/25890
7086 PR rtl-optimization/25905
7087 * combine.c (expand_compound_operation, expand_field_assignment):
7088 Fail if the bitfield's final position is out of bounds.
7090 2006-01-24 Ian Lance Taylor <ian@airs.com>
7093 * cgraphunit.c (cgraph_output_in_order): Don't clear
7094 cgraph_asm_nodes until after asm strings have been output.
7096 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7098 * fix-header.c (read_scan_file): Add new parameter imultilib when
7099 calling register_include_chains.
7101 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7103 * omp-low.c: Update documentation.
7105 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7106 Daniel Berlin <dberlin@dberlin.org>
7110 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7111 return from the function.
7113 2006-01-22 Zack Weinberg <zackw@panix.com>
7115 * rtl.def (match_code): Add second argument.
7116 * genpreds.c (write_extract_subexp): New function.
7117 (write_match_code): Add path argument. Use write_extract_subexp.
7118 (write_predicate_expr): Pass path to write_match_code.
7119 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7120 not perform a mode test.
7121 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7122 a subexpression does not constrain the top-level code set.
7123 * read-rtl.c (read_rtx_variadic): New function.
7124 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7125 * doc/md.texi: Document new notation.
7126 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7127 (cmpsi_operand): ... here, using new notation.
7129 2006-01-22 Zack Weinberg <zackw@panix.com>
7131 * varray.c: Remove GENERATOR_FILE #ifdefs.
7133 2006-01-22 Zack Weinberg <zackw@panix.com>
7135 * genautomata.c (output_reserved_units_table): Emit nothing if
7136 description->query_units_num is zero. Remove extra blank line.
7137 (output_cpu_unit_reservation_p): Short circuit
7138 if description->query_units_num is zero.
7140 2006-01-22 Zack Weinberg <zackw@panix.com>
7142 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7143 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7144 nor any of the random handful of variables that used to be necessary
7145 when this program was linked with rtlanal.o. Prune set of forward
7146 function declarations.
7147 (struct attr_desc): Remove static_p field.
7148 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7149 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7150 (attr_string): Do not read the character one past the length of
7152 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7153 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7154 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7155 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7156 (make_automaton_attrs): New.
7157 (main): Do not call into genautomata. Call local gen_bypass
7158 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7159 Remove special case for insn_alts.
7160 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7161 varray.h (leftover from previous change). Prune set of forward
7162 function declarations. Remove state_alts fields from all
7163 structures. Remove state_alts_table from struct automaton.
7164 Make everything except main static. Do not maintain num_dfa_decls.
7165 Do not maintain state_alts fields of various structures.
7166 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7167 (add_arc): Remove state_alts argument. All callers updated.
7168 (output_reserved_units_table): Emit #ifdef here...
7169 (output_tables): ...not here. Don't generate state_alts tables.
7170 (expand_automata): Don't generate attributes.
7171 (write_automata): Don't generate state_alts functions.
7172 (main): New function.
7173 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7174 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7175 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7176 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7177 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7178 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7179 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7180 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7182 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7183 * genattrtab.h: Delete file.
7184 * Makefile.in (OBJS-common): Add insn-automata.o.
7185 (insn-automata.o): New rule.
7186 (simple_generated_c): Add insn-automata.c.
7187 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7188 (genprogmd): Add automata.
7189 (build/genattrtab): Needs no extra objects nor libraries.
7190 (build/genautomata): Needs build/vec.o and -lm.
7192 2006-01-22 Zack Weinberg <zackw@panix.com>
7194 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7195 (output_dfa_max_issue_rate, locked_states_num): Delete.
7196 (struct automaton): Add locked_states field.
7197 (output_dead_lock_vect): Save number of locked states in
7198 automaton->locked_states. If it is zero, don't print anything.
7199 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7200 (output_internal_dead_lock_func): Only test the dead_lock_vect
7201 for automata that have locked states.
7202 (output_statistics): Always print the number of locked states for
7203 each automaton. Calculate total number of locked states here.
7204 (write_automata): Don't call output_dfa_max_issue_rate.
7205 * genattrtab.c: Define length_unit_log as a const variable.
7206 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7207 max_insn_queue_index const.
7208 * final.c (length_unit_log): Declare const.
7209 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7211 2006-01-22 Zack Weinberg <zackw@panix.com>
7213 * genautomata.c: Include vec.h, not varray.h.
7214 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7215 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7216 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7217 VEC_* macros operating on appropriately typed vectors, or to
7218 malloced arrays when the size is known in advance. Const-ify
7219 many char* variables and function arguments. No functional changes.
7220 * Makefile.in (build/varray.o): Delete rule.
7221 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7222 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7224 2006-01-22 Zack Weinberg <zackw@panix.com>
7226 * gensupport.c: Define get_insn_name and record_insn_name here.
7227 (read_md_rtx): Call record_insn_name as appropriate.
7228 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7229 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7230 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7232 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7233 (BUILD_VARRAY): Delete.
7234 (genprognormal): Rename genprogmd. Fold in all programs from
7235 genprognoprint; also attrtab.
7236 (build/genattrtab): Just mention genautomata.o and varray.o.
7237 Reorganize a bit, add comments to make the categories clearer.
7239 2006-01-22 Zack Weinberg <zackw@panix.com>
7241 * genconditions.c (condition_table, add_condition): Delete.
7242 (write_conditions): Don't emit n_insn_conditions nor
7243 insn_elision_unavailable. Issue the gcc version #ifdef here,
7244 inside the table, with no #else clause ...
7245 (write_header): ...not here.
7246 (write_writer): New function.
7247 (main): Don't initialize condition_table. Use add_c_test.
7249 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7250 files on the command line.
7251 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7252 Return -1 if there is no entry in the table, don't abort.
7253 (add_c_test, traverse_c_tests): New functions.
7254 * gensupport.h (insn_elision_unavailable, insn_conditions)
7255 (n_insn_conditions): Delete declarations.
7256 (add_c_test, traverse_c_tests): Declare.
7257 * read-rtl.c: Include gensupport.h.
7258 (read_conditions): New function.
7259 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7260 (read_rtx_1): If we get EOF when we were looking for an initial
7261 open paren, return 0. Call read_conditions when appropriate.
7262 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7263 dummy-conditions.o. Eliminate references to insn-conditions.o,
7264 or change them to build/gencondmd.o, as appropriate. Remove
7265 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7266 from $(simple_generated_c). For all files remaining in those
7267 two lists, add insn-conditions.md to the generator command line.
7268 Give insn-constants.h/s-constants their own rules. Add rules
7269 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7270 (build/read-rtl.o): Depend on gensupport.h.
7271 (genprognormal): Include preds.
7272 (genprogearly): Rename genprognoprint; only difference is now that
7273 they don't link with $(BUILD_PRINT).
7274 * dummy-conditions.c: Delete.
7276 2006-01-22 Zack Weinberg <zackw@panix.com>
7278 * genextract.c: Don't include insn-config.h. Do include vec.h.
7279 Declare vectors of int, char, and locstr.
7280 (locstr): New typedef.
7281 (struct extraction): Make all array fields into bare pointers.
7282 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7283 (insn_code_number): Delete.
7284 (accum_extract): New struct.
7285 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7286 (gen_insn): Take insn_code_number as an argument. Use an
7287 accum_extract structure instead of loading data directly into
7288 a struct extraction, and having to know how big it might get.
7289 (walk_rtx): Operate entirely on an accum_extract structure.
7290 (print_path): Avoid unnecessary use of printf.
7291 (print_header): New function, split out of main. Distinguish
7292 more carefully between an unrecognizable insn and an insn that
7293 has the code number of a define_expand.
7294 (main): Pass insn_code_number to gen_insn. Call print_header
7295 only after parsing. Avoid unnecessary use of printf.
7296 * Makefile.in (build/vec.o): New rule.
7297 (build/genextract): Depend on build/vec.o.
7298 (build/genextract.o): Don't depend on insn-config.h.
7300 2006-01-22 Zack Weinberg <zackw@panix.com>
7302 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7303 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7304 practical. Eliminate per-generator-program link rules.
7306 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7309 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7310 with a call expr to ...
7311 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7313 2006-01-23 Richard Guenther <rguenther@suse.de>
7315 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7316 before make_edge with conditional EDGE_TRUE_VALUE.
7318 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7319 Jan Hubicka <jh@suse.cz>
7320 Richard Guenther <rguenther@suse.de>
7322 PR rtl-optimization/25654
7323 * cfgexpand.c (aggregate_contains_union_type): New function.
7324 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7325 for structure variables that contain a union type.
7327 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7329 * gengtype.c (new_structure): Return the structure.
7330 (create_option): Add an extra "next" argument.
7331 (create_field): New function.
7332 (adjust_field_rtx_def): Use create_option and create_field.
7333 Remove a now-unnecessary call to find_structure.
7334 (adjust_field_tree_def): Likewise.
7335 (note_yacc_type): Remove an unnecessary call to find_structure.
7336 * gengtype.h (new_structure): Return the structure.
7337 (create_option): Add an extra argument.
7338 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7339 (option): Adjust calls to create_option.
7341 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7343 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7345 2006-01-22 Paul Brook <paul@codesourcery.com>
7346 Peter Barada <peter@the-baradas.com>
7348 * config/m68k/m68k.md: Add Coldfire FPU support.
7349 Define FP mode macro and associated attributes.
7350 Use it for float mode patterns.
7351 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7352 (LIBCALL_VALUE): Use m68k_libcall_value.
7353 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7354 (m68k_function_value): Ditto.
7355 (emit_move_sequence): Ditto.
7356 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7357 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7358 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7359 (MULTILIB_EXCEPTIONS): Ditto.
7360 * config/m68k/m68k.opt: Add mcfv4e.
7361 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7362 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7363 (m68k_output_function_prologue): Save ColdFire FPU registers.
7364 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7365 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7366 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7367 ColdFire FPU registers.
7368 (m68k_libcall_value, m68k_function_value): New functions.
7369 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7370 (LIBCALL_VALUE): Use m68k_libcall_value.
7371 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7372 (MASK_COLDFIRE): Add MASK_CFV4E.
7373 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7374 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7375 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7376 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7377 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7378 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7379 * doc/invoke.tex: Document -mcfv4e on m68k.
7381 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7383 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7386 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7389 * c-opts.c (c_common_handle_option): Don't include
7390 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7391 * doc/invoke.texi (C++ Dialect Options): Document that
7392 -Wnon-virtual-dtor is no longer included in -Wall.
7394 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7396 * gcov.c (print_version), gcov-dump.c (print_version),
7397 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7400 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7402 * df-scan.c (problem_SCAN): Added NULL reset function.
7403 (df_scan_reset_blocks): Added code to call reset block function
7404 (df_bb_refs_delete) Fixed comment.
7405 (df_insn_refs_delete): Made tolerant of deleting non existent info
7406 for dataflow problems that need to be reset.
7407 * df-core.c (df_set_blocks): Ditto.
7408 * df.h (struct df_problem): Added reset_fun.
7409 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7410 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7411 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7412 functions to clear out all references to def-use or use-def chains.
7414 2006-01-21 Ben Elliston <bje@au.ibm.com>
7416 * varasm.c (assemble_real): Initialise data array.
7418 2006-01-20 Paul Brook <paul@codesourcery.com>
7420 Merge from csl-arm-branch.
7421 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7422 * config/arm/arm.md (movdi): Force operands[1] to a register
7423 if we have a non-register source.
7424 (*arm_movdi, *movdf_soft_insn): Require that one of the
7425 operands be a register.
7426 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7427 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7429 2006-01-20 DJ Delorie <dj@redhat.com>
7431 * varasm.c (initialize_constant_valid_p): Allow pointers
7432 initialized from integer constants of lesser precision.
7433 (output_constant): Allow non-int-sized pointer modes to be
7434 initialized from integer constants.
7436 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7439 * cppdefault.h (struct default_include): Add multilib flag.
7440 * cppdefault.c (cpp_include_defaults): Set it.
7441 * c.opt (-imultilib): New option.
7442 * c-opts.c (imultilib): New.
7443 (c_common_handle_option): Handle -imultilib.
7444 (c_common_post_options): Likewise.
7445 * c-incpath.c (add_standard_paths, register_include_chains):
7447 * c-incpath.h (register_include_chains): Add extra parameter.
7448 * gcc.c (do_spec_1): Generate -imultilib option.
7449 (The Specs Language): Update %I description.
7450 (process_command): Update copyright notice.
7451 * doc/cppopts.texi (-imultilib): Document.
7452 * doc/invoke.texi (-imultilib): Include in option summary.
7453 (%I): Update specs documentation.
7455 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7457 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7459 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7461 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7464 2006-01-20 Richard Guenther <rguenther@suse.de>
7465 Steven Bosscher <stevenb.gcc@gmail.com>
7467 PR rtl-optimization/24626
7468 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7469 EDGE_TRUE_VALUE if in RTL mode.
7472 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7473 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7475 2006-01-20 Dirk Mueller <dmueller@suse.com>
7478 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7479 instead of a special NOP marker.
7480 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7481 NOP marker handling.
7482 * c-common.h (empty_body_warning): Add forward declaration.
7483 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7484 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7486 2006-01-20 Paul Brook <paul@codesourcery.com>
7488 * Makefile.in (lang_checks): Keep going if mkdir fails.
7490 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7492 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7493 be able to clean out basic block when not necessary.
7494 (df_scan_free): Fixed to properly delete information if df is
7495 unused before calling df_finish.
7496 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7497 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7499 (df_bb_refs_delete): New function.
7500 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7501 * df-core.c (df_set_blocks): Added code to properly clean out
7502 unused blocks if they are not part of the blocks to consider.
7503 Added additional null check.
7504 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7505 be able to clean out basic block when not necessary
7506 * df.h (df_free_bb_function): Ditto.
7507 (df_bb_refs_delete): New function.
7508 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7509 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7510 basic block parameter to be able to clean out basic block when not
7512 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7513 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7514 Fixed to properly delete information if df is unused before
7517 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7519 PR rtl-optimization/25799
7520 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7521 Corrected confluence operator to remove bits from op2 before oring
7522 with op1 rather than removing bits from op1.
7523 (df_ru_transfer_function): Corrected test on wrong bitmap which
7524 caused infinite loop. Both of these problems were introduced in
7525 the dataflow rewrite.
7527 2006-01-19 DJ Delorie <dj@redhat.com>
7529 * reload1.c (find_reload_regs): Note the details of reload
7530 failures in the dump file.
7531 (spill_failure): Likewise.
7533 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7535 * loop-iv.c: Include df.h and hashtab.h.
7536 (enum iv_grd_result): New enum.
7537 (DF_REF_IV, DF_REF_IV_SET): New macros.
7538 (struct biv_entry): New.
7539 (df, bivs): New global variables.
7540 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7541 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7543 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7544 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7545 analyzed_for_bivness_p, record_biv): New functions.
7546 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7547 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7548 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7550 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7552 (iv_number_of_iterations): Use new interface to iv analysis.
7553 * loop-unroll.c: Do not include varray.h.
7554 (analyze_iv_to_split_insn): Use new interface to iv
7556 * loop-unswitch.c (may_unswitch_on): Ditto.
7557 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7559 (df_bb_modify): Realloc tables to the new index.
7560 (df_find_use): New function.
7561 * df.h (df_find_use): Declare.
7562 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7564 * cfgloop.h (struct rtx_iv): Remove analysed field.
7565 (iv_get_reaching_def): Removed.
7566 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7567 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7568 (loop-iv.o): Add df.h and hashtab.h dependency.
7569 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7571 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7574 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7576 (__floatundisf, __floatundidf): Likewise.
7577 * libgcc2.h (IS_IBM_EXTENDED): Define.
7579 2006-01-19 DJ Delorie <dj@redhat.com>
7581 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7583 2006-01-19 Paul Brook <paul@codesourcery.com>
7585 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7586 as nothrow when unwinding tables are disabled.
7588 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7591 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7592 of bit-field" when in system header.
7594 2006-01-19 DJ Delorie <dj@redhat.com>
7596 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7597 the 16 bit shift limit of the m16c.
7599 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7602 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7603 * config/i386/i386.c (output_set_got): Output the label if we have one
7604 for the TARGET_DEEP_BRANCH_PREDICTION case.
7606 2006-01-19 Jan Hubicka <jh@suse.cz>
7607 H.J. Lu <hongjiu.lu@intel.com>
7608 Evandro Menezes <evandro.menezes@amd.com>
7610 * invoke.texi (generic): Document
7612 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7613 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7614 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7615 (x86_use_incdec, x86_pad_returns): New variables
7616 (TARGET_CPU_DEFAULT_generic): New constant
7617 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7618 (enum processor_type): Add generic32 and generic64.
7619 * i386.md (cpu attribute): Add generic32/generic64
7620 (movhi splitter): Behave sanely when both partial_reg_dependency and
7621 partial_reg_stall are set.
7622 (K8 splitters): Enable for generic as well.
7623 * predicates.md (incdec_operand): Use TARGET_INCDEC
7624 (aligned_operand): Avoid memory mismatch stalls.
7625 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7626 * ppro.md: Enable for generic32
7627 * i386.c (generic64_cost, generic32_cost): New.
7628 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7629 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7630 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7631 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7632 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7633 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7634 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7635 x86_accumulate_outgoing_args, x86_prologue_using_move,
7636 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7637 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7639 (x86_use_incdec, x86_pad_returns): New.
7640 (override_options): Add generic32 and generic64, translate "generic"
7641 to generic32/generic64 and "i686" to "generic32", refuse
7642 "generic32"/"generic64" as arch target.
7643 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7644 (ix86_reorg): Honor PAD_RETURNS.
7646 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7648 * tree-pretty-print.c (dump_generic_node): Handle
7649 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7650 * cgraph.c (cgraph_expand_queue): Rename from
7651 cgraph_analyze_queue. Update all users.
7652 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7653 cgraph_expand_queue.
7654 (cgraph_expand_all_functions): Likewise.
7655 (cgraph_finalize_pending_functions): Remove. Update callers.
7657 * tree.h (OMP_DIRECTIVE_P): Define.
7658 (OMP_PARALLEL_FN): Define.
7659 (OMP_PARALLEL_DATA_ARG): Define.
7660 (OMP_SECTIONS_SECTIONS): Define.
7661 * tree-pass.h (pass_expand_omp): Declare.
7662 * omp-low.c (struct omp_region): Declare.
7663 (struct omp_context): Remove fields 'parallel_type',
7664 'parallel_start_ix' and 'parallel_start_additional_args'.
7666 (struct omp_for_data): Rename from struct expand_omp_for_data.
7667 (omp_regions): New static variable.
7668 (root_omp_region): New static variable.
7669 (find_omp_clause): Make static.
7670 (is_in_combined_parallel_ctx): Remove.
7671 (is_combined_parallel): New.
7672 (extract_omp_for_data): Move earlier in the file.
7673 (workshare_safe_to_combine_p): New.
7674 (get_ws_args_for): New.
7675 (determine_parallel_type): Move earlier in the file.
7676 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7678 (omp_copy_decl): Likewise.
7679 (create_omp_child_function): Likewise.
7680 (lookup_omp_region): New.
7681 (dump_omp_region): New.
7682 (debug_omp_region): New.
7683 (debug_all_omp_regions): New.
7684 (new_omp_region): New.
7685 (scan_omp_parallel): If parallel_nesting_level > 1, the
7686 directive is nested within another parallel directive.
7687 Set OMP_PARALLEL_FN.
7688 (scan_omp_for): Do not try to handle combined parallel+for
7690 Remove FIXME comment.
7691 (scan_omp_nested): Remove.
7692 (scan_omp_1): Do not call scan_omp_nested when
7693 parallel_nesting_level is > 1.
7694 Do not change the DECL_CONTEXT of local variables found.
7695 (lookup_decl_in_outer_ctx): New.
7696 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7697 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7698 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7699 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7700 If CTX is nested, lookup VAR in the outer context when
7701 building copy assignment.
7702 (lower_send_clauses): Rename from expand_send_clauses.
7703 If CTX is nested, lookup VAR in the outer context when
7704 building copy assignments.
7705 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7706 If CTX is nested, lookup VAR in the outer context when
7707 building copy assignments.
7708 (expand_parallel_call): Rename from build_parallel_call.
7709 Handle combined parallel+workshare cases.
7710 Re-implement to emit code into the CFG.
7712 (expand_omp_parallel): Re-implement to emit code into the CFG.
7713 Call move_sese_region_to_fn to outline the sub-graph
7714 containing the parallel region.
7715 (expand_omp_for_1): Remove.
7716 (expand_omp_for_generic): Re-implement to emit code into the
7718 (expand_omp_for_static_nochunk): Likewise.
7719 (expand_omp_for_static_chunk): Likewise.
7720 (expand_omp_for): Likewise.
7721 (expand_omp_sections): Likewise.
7722 (remove_exit_barriers): New.
7723 (expand_omp_synch): New.
7725 (build_omp_regions_1): New.
7726 (build_omp_regions): New.
7727 (execute_expand_omp): New.
7728 (gate_expand_omp): New.
7729 (pass_expand_omp): Define.
7730 (lower_omp_sections): Rename from expand_omp_sections.
7731 Set OMP_SECTIONS_SECTIONS.
7732 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7733 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7734 (lower_omp_single): Rename from expand_omp_simple.
7735 (lower_omp_master): Rename from expand_omp_master.
7736 (lower_omp_ordered): Rename from expand_omp_ordered.
7737 (lower_omp_critical): Rename from expand_omp_critical.
7738 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7739 (lower_omp_for): Re-implement.
7740 (lower_omp_parallel): Re-implement.
7741 (lower_regimplify): Rename from expand_regimplify.
7742 (lower_omp_1): Rename from expand_omp_1.
7743 If there are syntax errors in the program, replace every
7744 OpenMP directive with NOP.
7745 Call lower_omp_* instead of expand_omp_*.
7746 (lower_omp): Rename from expand_omp.
7748 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7749 * tree-gimple.h (enum omp_parallel_type): Remove.
7750 (gimple_boolify): Declare extern.
7751 (find_omp_clause, determine_parallel_type): Remove.
7753 * gimple-low.c (lower_omp_directive): New.
7754 (lower_stmt): Call it.
7755 (record_vars_into): Move from ...
7756 (record_vars): ... here.
7757 Call record_vars_into with current_function_decl.
7759 * gimplify.c (struct gimplify_ctx): Remove fields
7760 combined_pre_p and combined_ctxp. Update users.
7761 (get_formal_tmp_var): Add documentation.
7762 (gimple_boolify): Make extern.
7763 (gimplify_expr_in_ctx): Remove. Update callers.
7764 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7765 will always be a BIND_EXPR.
7766 (gimplify_expr): Handle OMP_RETURN_EXPR.
7767 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7768 (OMP_PARALLEL): Add 3 operands.
7769 (OMP_SECTIONS): Add 1 operand.
7770 (OMP_RETURN_EXPR): Define.
7772 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7773 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7774 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7775 creating a circular free list.
7776 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7778 * tree-flow.h (move_sese_region_to_fn): Declare.
7779 (record_vars_into): Declare.
7780 * tree-cfg.c (make_omp_sections_edges): New.
7781 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7782 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7783 OMP_SECTIONS and OMP_SECTION.
7784 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7785 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7786 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7787 (gather_blocks_in_sese_region): New.
7788 (struct move_stmt_d): Declare.
7790 (move_block_to_fn): New.
7791 (move_sese_region_to_fn): New.
7793 * passes.c (init_optimization_passes): Schedule
7794 pass_expand_omp after pass_init_datastructures.
7796 * tree-ssa-operands.c (get_expr_operands): Handle
7797 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7798 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7800 2006-01-19 Jeff Law <law@redhat.com>
7802 * tree-vrp.c (extract_range_from_assert): Refine the result range
7803 if the variable referenced by the ASSERT_EXPR has a range and
7804 either the tentative result range or the previous range is a
7807 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7809 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7811 2006-01-19 Jan Hubicka <jh@suse.cz>
7813 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7815 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7817 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7818 (expand_compound_operation, expand_field_assignment): Fail if the
7819 bit lengths of an extract operation are out of range.
7820 (make_extraction): Compute wanted_inner_mode based on the position
7821 and length of the extraction. Make it extraction_mode for non-constant
7822 positions, and do not modify offset in that case. When generating a
7823 new MEM, use a mode that can hold the extraction while keeping correct
7824 alignment. Remove code that supported MEMs wrapped by USEs.
7825 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7827 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7829 * config/s390/s390.md ("Y", "y"): New mode attribute.
7830 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7831 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7832 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7833 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7834 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7835 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7836 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7837 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7838 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7839 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7840 "addsi3", "subsi3"): Insn patterns removed.
7841 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7842 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7843 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7844 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7845 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7846 "*sub<mode>3_cconly2"): New insn patterns.
7847 ("addsi3", "subsi3"): New expanders.
7849 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7851 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7852 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7853 existing STMT_VINFO_VECTYPE if available.
7854 (vect_mark_relevant): Add special handling for stmts that are
7855 marked as STMT_VINFO_IN_PATTERN_P.
7856 (vect_analyze_loop): Call vect_pattern_recog.
7857 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7858 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7860 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7861 (vect_recog_func_ptr): New function-pointer type.
7862 * tree-vect-patterns.c: New file.
7863 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7864 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7865 (vect_pattern_recog_1): New functions.
7866 (vect_pattern_recog_funcs): New array of function pointers.
7868 * tree-vectorizer.h (ternary_op): New enum value.
7869 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7870 declaration. Revised documentation. Removed redundant dump prints.
7871 Removed redundant argument. Added support for reduction patterns.
7872 (vectorizable_reduction): Added support for reduction patterns.
7873 (vect_transform_stmt): Added support for patterns.
7875 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7876 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7877 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7878 (expand_widen_pattern_expr): New function.
7879 (init_optabs): Initialize new optabs udot_prod_optab,
7881 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7882 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7883 (expand_widen_pattern_expr): New function declaration.
7884 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7886 * tree-inline.c (estimate_num_insns_1): Added cases for new
7887 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7888 * tree-pretty-print.c (dump_generic_node): Likewise.
7889 (op_prio): Likewise.
7890 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7891 * tree-ssa-operands.c (get_expr_operands): Added case for
7893 * tree-vect-patterns.c (widened_name_p): New function.
7894 (vect_recog_dot_prod_pattern): Added function implementation.
7895 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7896 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7897 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7898 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7900 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7901 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7902 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7903 (init_optabs): Initialize new optabs widen_ssum_optab,
7905 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7906 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7907 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7908 use instead of type of def.
7909 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7910 function implementation.
7911 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7912 widen_ssumv8hi): New.
7914 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7917 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7920 * c-decl.c (add_flexible_array_elts_to_size): New function.
7921 (finish_decl): Use it.
7923 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7925 * diagnostic.h: Include options.h.
7926 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7927 dependancies for diagnostic.h.
7928 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7930 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7932 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7933 (ssa_ro_call_cache_valid): Ditto.
7934 * tree-ssa-alias.c (sort_tags_by_id): New function.
7935 (init_transitive_clobber_worklist): Ditto.
7936 (add_to_worklist): Ditto.
7937 (mark_aliases_call_clobbered): Ditto.
7938 (compute_tag_properties): Ditto.
7939 (set_initial_properties): Ditto.
7940 (compute_call_clobbered): Ditto.
7941 (compute_may_aliases): Call compute_call_clobbered and grouping.
7942 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7943 (compute_flow_insensitive_aliasing): Grouping now happens in our
7945 (setup_pointers_and_addressables): Remove clobbering related code.
7946 (add_may_alias): Ditto.
7947 (replace_may_alias): Ditto.
7948 (get_nmt_for): Ditto.
7949 (create_global_var):
7950 (is_escape_site): Return an escape_type enumeration.
7951 * tree-flow-inline.h (is_call_clobbered): Global var does not
7952 imply call clobbered.
7953 (mark_call_clobbered): Take a reason for marking this. Remove
7954 marking of globalness, and cache invalidation.
7955 (clear_call_clobbered): Remove cache invalidation code.
7956 * tree-dfa.c (dump_variable): If details is on, dump the reason
7958 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7960 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7961 (struct var_ann_d): Ditto.
7962 (enum escape_type): New.
7963 (mark_call_clobbered): Adjust prototype.
7964 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7965 are never call clobbered.
7966 Record reasons for escaping.
7967 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7968 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7969 (ssa_ro_call_cache_valid): Ditto.
7970 (clobbered_v_may_defs): Ditto.
7971 (clobbered_vuses): Ditto.
7972 (ro_call_vuses): Ditto.
7973 (clobber_stats): New.
7974 (init_ssa_operands): Zero out clobber stats.
7975 (fini_ssa_operands): Print out clobber stats.
7976 (get_call_expr_operands): Pass callee fndecl to
7978 (add_call_clobber_ops): Remove use of cache.
7979 Add use of PURE_CONST information.
7980 (add_call_read_ops): Remove use of cache.
7981 Add use of static not_read information.
7983 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7985 Introduce TLS descriptors for i386 and x86_64.
7986 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7987 (TARGET_ANY_GNU_TLS): New macro.
7988 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7989 (struct machine_function): Add tls_descriptor_call_expanded_p.
7990 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7991 (ix86_current_function_calls_tls_descriptor): Likewise.
7992 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7993 (override_options): Introduce gnu2 tls dialect.
7994 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7996 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7998 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7999 (ix86_init_machine_status): Initialize new field.
8000 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8001 (ix86_tls_module_base): New.
8002 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8003 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8004 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8005 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8006 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8007 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8008 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8009 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8010 * config/i386/predicates.md (tls_modbase_operand): New.
8011 (tp_or_register_operand): New.
8013 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8015 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8016 (look_for_address_of): Ditto.
8017 (ipa_init): Walk the function decls.
8018 (static_execute): Don't set readonly on FUNCTION_DECL's.
8020 2006-01-18 Roger Sayle <roger@eyesopen.com>
8022 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8023 for shifts where the source and destination registers are different.
8025 2006-01-18 Paul Brook <paul@codesourcery.com>
8027 Merge from csl-arm-branch.
8028 2005-03-14 Julian Brown <julian@codesourcery.com>
8029 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8030 (aeabi_llsl): Likewise.
8031 (ashrdi3): Likewise.
8032 (aeabi_lasr): Likewise.
8033 (lshrdi3): Likewise.
8034 (aeabi_llsr): Likewise.
8035 2005-03-10 Julian Brown <julian@codesourcery.com>
8036 * config.gcc: Disable shared libgcc for SymbianOS.
8037 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8039 2006-01-18 DJ Delorie <dj@redhat.com>
8041 * c-pragma.c (handle_pragma_diagnostic): New.
8042 (init_pragma): Register it.
8043 * doc/extend.texi: Document it.
8045 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8046 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8047 (diagnostic_context): Add classify_diagnostic[].
8048 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8049 as errors if they're overridden to DK_WARNING.
8050 (diagnostic_initialize): Initialize classify_diagnostic[].
8051 (diagnostic_set_kind_override): New.
8052 (diagnostic_report_diagnostic): Check for kind changes.
8053 * opts.c (common_handle_option): Take lang_mask. Update callers.
8055 * common.opt (Werror=): New.
8056 * doc/invoke.texi: Document -Werror=*
8058 2006-01-18 Jeff Law <law@redhat.com>
8060 * tree-vrp.c (test_for_singularity): Correct test for new
8061 min limit. Use operand_equal_p rather than pointer equality
8062 for testing if new min/max values are equal.
8064 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8065 using range information until after propagation and folding.
8067 2006-01-18 Richard Henderson <rth@redhat.com>
8068 Aldy Hernandez <aldyh@redhat.com>
8069 Jakub Jelinek <jakub@redhat.com>
8070 Diego Novillo <dnovillo@redhat.com>
8072 * omp-low.c: New file.
8073 * c-omp.c: New file.
8075 2006-01-18 Richard Henderson <rth@redhat.com>
8076 Jakub Jelinek <jakub@redhat.com>
8077 Diego Novillo <dnovillo@redhat.com>
8079 * doc/invoke.texi: Document -fopenmp.
8080 * tree-dump.h (debug_function): Declare.
8081 * hooks.c (hook_bool_tree_bool_false): New function.
8082 (hook_tree_tree_null): Remove.
8083 (hook_tree_tree_tree_null): New.
8084 * hooks.h: Update to match.
8085 * tree-pretty-print.c (debug_tree_chain): New.
8086 (print_generic_expr): Handle TDF_CHAIN.
8087 (dump_generic_node): Handle BLOCK.
8088 Do not abort with incomplete SWITCH_EXPRs.
8089 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8090 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8091 print space after directive name.
8092 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8093 Handle OMP_MASTER and OMP_ORDERED.
8094 Handle printing of OMP_BODY just in one place, goto
8095 dump_omp_body in the rest of OMP_* nodes that have
8097 Don't handle clause nodes here. Update omp statements to
8098 use dump_omp_clauses.
8099 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8100 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8101 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8102 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8103 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8104 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8105 Adjust output for GOMP_PARALLEL.
8106 (dump_omp_clauses): New.
8107 (print_declaration): Dump DECL_VALUE_EXPR.
8108 (op_symbol_1): Split out of op_symbol.
8109 (dumping_stmts): Remove. Update all users.
8110 * cgraph.c (cgraph_analyze_queue): New.
8111 (cgraph_add_new_function): New.
8112 * cgraph.h (cgraph_analyze_queue): Declare.
8113 (cgraph_add_new_function): Declare.
8114 (cgraph_lower_function): Remove.
8115 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8116 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8117 and TYPE_P nodes in its default clause.
8118 (empty_body_p): New.
8119 (tree_range_check_failed): New.
8121 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8122 OMP_CLAUSE_REDUCTION_MERGE,
8123 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8124 OMP_CLAUSE_PRIVATE_DEBUG,
8125 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8126 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8127 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8128 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8129 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8130 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8131 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8132 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8133 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8134 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8135 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8136 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8137 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8138 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8139 (TREE_RANGE_CHECK): New.
8140 (empty_body_p): Declare.
8141 (enum omp_clause_default_kind): New.
8142 (build_string_literal): Declare.
8143 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8144 (build5_stat, build5): Declare.
8145 * tree-pass.h (TDF_CHAIN): Define.
8146 * tree-pass.h (PROP_gimple_lomp): Define.
8147 (pass_lower_omp): Declare.
8148 * diagnostic.h (debug_tree_chain): Declare.
8149 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8151 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8152 * builtins.c (build_string_literal): Make extern.
8153 * gcc.c (include_spec_function): New.
8154 (static_spec_functions): Add it.
8155 (main): Move load of libgomp.spec ...
8156 (LINK_COMMAND_SPEC): ... here.
8157 (link_gomp_spec): New.
8158 (static_specs): Include it.
8159 (LINK_COMMAND_SPEC): Add link_gomp.
8160 (GOMP_SELF_SPECS): New.
8161 (driver_self_specs): Include it.
8162 (switch_matches): Don't mark inline.
8163 (main): Load libgomp.spec.
8164 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8165 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8166 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8167 * tree-gimple.h (enum omp_parallel): Declare.
8168 (determine_parallel_type): Declare.
8169 (omp_firstprivatize_variable): Declare.
8170 (omp_reduction_init): Declare.
8171 (diagnose_omp_structured_block_errors): Declare.
8172 (struct walk_stmt_info): Add want_return_expr.
8173 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8174 (find_omp_clause): Declare.
8175 (insert_field_into_struct): Declare.
8176 (struct walk_stmt_info): Move from tree-nested.c
8177 (walk_stmts): Declare.
8178 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8180 * cgraphunit.c (cgraph_lower_function): Make static.
8181 (cgraph_finalize_pending_functions): New.
8182 (cgraph_finalize_function): Call it.
8183 (cgraph_finalize_compilation_unit): Likewise.
8184 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8185 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8186 (BT_FN_UINT_UINT): New.
8187 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8188 DEF_FUNCTION_TYPE_VAR_4): Document.
8189 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8190 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8191 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8192 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8193 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8194 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8195 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8196 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8197 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8198 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8199 into separate files.
8200 (DEF_GOMP_BUILTIN): New.
8201 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8202 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8203 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8204 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8205 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8206 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8207 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8208 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8209 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8210 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8211 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8212 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8213 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8214 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8215 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8216 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8217 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8218 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8219 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8220 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8221 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8222 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8223 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8224 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8225 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8226 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8227 * sync-builtins.def: New file, moved from builtins.def.
8228 * omp-builtins.def: New file, moved from builtins.def.
8229 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8230 * gimple-low.c (lower_function_body): Clear data.
8231 (lower_stmt): Do not handle COMPOUND_EXPR.
8232 Remove call to print_node_brief.
8233 * c-tree.h (c_finish_omp_clauses): New prototype.
8234 (C_DECL_THREADPRIVATE_P): Define.
8235 (lookup_name_no_remap, c_omp_remap_private): Remove
8236 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8237 (check_for_loop_decls): Update decl.
8238 (lookup_name_no_remap, c_omp_remap_private): Declare.
8239 (build_indirect_ref, build_modify_expr, pushdecl,
8240 pushdecl_top_level): Move to c-common.h.
8241 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8242 before the switch, but just in the 2 places that need it.
8243 * c-decl.c (diagnose_mismatched_decls): Do not check for
8244 mismatched thread-local attributes when OLDDECL is marked
8245 threadprivate and NEWDECL has no thread-local attributes.
8246 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8247 (c_gimple_diagnostics_recursively): Rename from
8248 c_warn_unused_result_recursively. Invoke
8249 diagnose_omp_structured_block_errors.
8250 (check_for_loop_decls): Return a singular decl found.
8251 * langhooks.c (lhd_omp_predetermined_sharing): Return
8252 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8253 (lhd_omp_firstprivatize_type_sizes): New.
8254 (lhd_omp_assignment): New.
8255 (lhd_omp_predetermined_sharing): New.
8256 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8257 (struct lang_hooks_for_types): Add
8258 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8259 omp_predetermined_sharing, omp_disregard_value_expr,
8260 omp_private_debug_clause, omp_clause_default_ctor,
8261 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8262 (c_finish_omp_clauses): New.
8263 (c_finish_bc_stmt): Diagnose break within omp for.
8264 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8265 (build_unary_op): Return error_mark after reporting
8267 (build_modify_expr): Likewise.
8268 * gimplify.c: Include optabs.h and pointer-set.h.
8269 (enum gimplify_omp_var_data): Declare.
8270 (struct gimplify_omp_ctx): Declare.
8271 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8273 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8274 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8275 (splay_tree_compare_decl_uid): New.
8276 (new_omp_context): New.
8277 (delete_omp_context): New.
8278 (gimple_add_tmp_var): Call omp_add_variable.
8279 (gimplify_bind_expr): Likewise.
8280 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8281 true, disregard DECL_VALUE_EXPR on the decl if any.
8282 (gimplify_expr_in_ctx): New.
8283 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8284 omp_add_variable, omp_notice_variable, omp_is_private
8285 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8286 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8287 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8288 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8289 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8290 gimplify_omp_atomic): New.
8291 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8292 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8293 OMP_CRITICAL and OMP_ATOMIC.
8294 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8295 * c-pragma.h (enum pragma_kind): Add
8296 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8297 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8298 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8299 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8300 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8301 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8302 PRAGMA_OMP_THREADPRIVATE.
8303 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8304 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8305 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8306 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8307 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8308 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8309 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8310 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8311 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8312 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8313 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8314 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8315 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8317 (struct nesting_info): Add field_map,
8318 suppress_expansion, debug_var_chain.
8319 (create_nesting_tree): Initialize them.
8320 (lookup_field_for_decl): Use field_map.
8321 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8322 (convert_local_omp_clauses): New.
8323 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8324 (walk_body): Split out of walk_function.
8325 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8326 (convert_nonlocal_reference): Handle omp statements.
8327 (convert_local_reference): Likewise.
8328 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8329 (unnest_nesting_tree): New.
8330 (lower_nested_functions): Call it.
8331 (insert_field_into_struct): Make extern.
8332 (struct walk_stmt_info): Move to tree-gimple.h.
8333 (walk_stmts): Make extern.
8334 * omp-builtins.def: New file.
8335 * tree-iterator.c (expr_only): Clarify comment.
8336 * c-common.h (pushdecl_top_level, pushdecl,
8337 build_modify_expr, build_indirect_ref,
8338 c_finish_omp_master, c_finish_omp_critical,
8339 c_finish_omp_ordered, c_finish_omp_barrier,
8340 c_finish_omp_atomic, c_finish_omp_flush,
8341 c_finish_omp_for, c_split_parallel_clauses,
8342 omp_clause_default_kind, c_omp_sharing_predetermined,
8343 c_omp_remap_decl): Declare.
8344 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8345 (OBJS-common): Add omp-low.o.
8346 (c-omp.o, omp-low.o): Add.
8347 (gimplify.o): Add dependency on $(OPTABS_H).
8348 (GTFILES): Add omp-low.c.
8349 (gt-stringpool.h): Add.
8350 * tree-cfg.c (set_bb_for_stmt): Do not update the
8351 block-to-labels map if we are currently expanding to RTL.
8352 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8354 Handle IDENTIFIER_NODE.
8355 (tree_verify_flow_info): Do not ICE when emitting error
8356 messages about invalid labels.
8357 (dump_function_to_file): Reset CFUN before emitting the body
8359 (debug_function): New.
8360 * passes.c (init_optimization_passes): Schedule
8362 * langhooks-def.h (lhd_omp_predetermined_sharing,
8363 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8365 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8366 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8367 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8368 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8369 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8370 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8371 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8372 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8373 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8374 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8375 (LANG_HOOK_DECLS): Use them.
8377 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8378 Richard Henderson <rth@redhat.com>
8379 Jakub Jelinek <jakub@redhat.com>
8380 Diego Novillo <dnovillo@redhat.com>
8382 * c-parser.c (pragma_omp_clause): Define.
8383 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8384 (c_parser_compound_statement): Likewise.
8385 (c_parser_statement): Likewise.
8386 (c_parser_pragma): Handle omp pragmas.
8387 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8388 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8389 (c_parser_omp_clause_name, check_no_duplicate_clause,
8390 c_parser_omp_variable_list,
8391 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8392 c_parser_omp_clause_copyprivate,
8393 c_parser_omp_clause_default,
8394 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8395 c_parser_omp_clause_lastprivate,
8396 c_parser_omp_clause_nowait,
8397 c_parser_omp_clause_num_threads,
8398 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8399 c_parser_omp_clause_reduction,
8400 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8401 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8402 c_parser_omp_atomic, c_parser_omp_barrier,
8403 c_parser_omp_critical, c_parser_omp_flush,
8404 c_parser_omp_for_loop, c_parser_omp_for,
8405 c_parser_omp_master, c_parser_omp_ordered,
8406 c_parser_omp_sections_scope, c_parser_omp_sections,
8407 c_parser_omp_parallel, c_parser_omp_single,
8408 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8409 * c-pragma.c (init_pragma): Do omp pragma registration here.
8410 * c.opt (fopenmp): New flag.
8412 2006-01-18 Eric Christopher <echristo@apple.com>
8414 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8415 * config/darwin.h (GOMP_SELF_SPECS): Define.
8417 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8419 * rtl.h: Remove the prototype for reg_alloc.
8421 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8424 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8425 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8426 sjlj and dwarf2 exception handling.
8427 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8428 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8429 * pa/pa.c (function_value): Treat complex and vector types as
8431 (function_arg): Likewise. Only pass scalar floats in the floating
8432 point argument registers.
8433 * pa/t-slibgcc-dwarf-ver: New file.
8434 * pa/t-slibgcc-sjlj-ver: New file.
8435 * pa/t-slibgcc-elf-ver: Delete file.
8437 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8439 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8440 unlikely_test_section_p test.
8442 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8444 * mode-switching.c (optimize_mode_switching): Make it static.
8445 * basic-block.h: Remove the prototype for
8446 optimize_mode_switching.
8448 * modulo-sched.c (sms_schedule): Make it static.
8449 * rtl.h: Remove the prototype for sms_schedule.
8451 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8452 * rtl.h: Remove the prototype for gcse_after_reload_main.
8454 * reg-stack.c (reg_to_stack): Make it static.
8455 * rtl.h: Remove the prototype for reg_to_stack.
8457 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8459 * rtl.h: Remove the prototypes for regrename_optimize and
8460 copyprop_hardreg_forward.
8462 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8464 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8465 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8466 Test against the appropriate null constant for the mode.
8467 If 'fixup_overlap' is true, swap the operands if they overlap.
8468 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8469 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8470 alpha_split_tmode_pair and adjust for above change.
8471 * config/alpha/alpha.md (movtf_internal): Adjust call to
8472 alpha_split_tfmode_pair and rely on it to swap the operands.
8473 (movti_internal): New insn and post-reload splitter.
8474 (movti): New expander.
8476 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8478 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8481 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8483 * rtlanal.c (global_reg_mentioned_p_1,
8484 global_reg_mentioned_p): Remove.
8485 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8487 * flow.c (initialize_uninitialized_subregs): Make it static.
8488 * rtl.h: Remove the prototype for
8489 initialize_uninitialized_subregs.
8491 * function.c (instantiate_virtual_regs): Make it static.
8492 * function.h: Remove the prototype for
8493 instantiate_virtual_regs.
8495 * regmove.c (regmove_optimize, combine_stack_adjustments):
8497 * rtl.h: Remove the prototypes for regmove_optimize and
8498 combine_stack_adjustments.
8500 2006-01-17 Roger Sayle <roger@eyesopen.com>
8502 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8503 (size_cost): Encode costs in bytes so that a reg-reg addition is
8504 equivalent to COSTS_N_INSNS(1).
8505 (override_options): Use the size_cost.branch_cost as the default
8506 ix86_branch_cost when optimizing for size.
8508 2006-01-18 Ben Elliston <bje@au.ibm.com>
8510 * Makefile.in (D32PBIT_FUNCS): New.
8511 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8512 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8513 D64PBIT_FUNCS and D128PBIT_FUNCS.
8514 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8515 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8517 (decnumber_dep): Define.
8518 * doc/libgcc.texi (Decimal float library routines): New node.
8519 * config/dfp-bit.h, config/dfp-bit.c: New files.
8521 2006-01-18 Ben Elliston <bje@au.ibm.com>
8523 * expr.c (emit_move_change_mode): Always adjust addresses, not
8524 just during reload. Copy replacements only during reload.
8525 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8526 emit_move_via_integer.
8528 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8530 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8531 instead of $(srcdir) and ${srcdir}.
8533 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8537 * arm.h (struct machine_function): Add pic_reg.
8538 * arm.c (arm_pic_register): Make unsigned.
8539 (arm_override_options): Only set arm_pic_register if
8540 TARGET_SINGLE_PIC_BASE.
8541 (use_return_insn): Only test for a pic register if it is fixed.
8542 (arm_compute_save_reg0_reg12_mask): Likewise.
8543 (thumb_compute_save_reg_mask): Likewise.
8544 (legitimate_pic_operand): Factor out some known invariants.
8545 (legitimize_pic_address): If we don't have a fixed pic register,
8546 then set up a pseudo in the function entry sequence. Handle the
8547 pic base being in a pseudo.
8548 (arm_load_pic_register): Handle the pic register being in a pseudo.
8549 (arm_expand_prologue): Only set up the pic register if it is fixed.
8550 (thumb_expand_prologue): Likewise.
8551 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8552 (pic_load_addr_based_insn): Likewise.
8553 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8556 2006-01-18 Ben Elliston <bje@au.ibm.com>
8558 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8559 decimal float modes for all floating point registers.
8561 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8562 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8564 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8567 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8568 even when the pointer is not NULL.
8570 2006-01-16 Ian Lance Taylor <ian@airs.com>
8572 * common.opt (ftoplevel-reorder): New option.
8573 * cgraph.c (cgraph_asm_nodes): New global variable.
8574 (cgraph_asm_last_node): New static variable.
8575 (cgraph_order): New global variable.
8576 (cgraph_create_node): Set new order field.
8577 (cgraph_varpool_node): Likewise.
8578 (decide_is_variable_needed): Return true if not
8579 flag_toplevel_reorder.
8580 (cgraph_add_asm_node): New function.
8581 * cgraph.h (struct cgraph_node): Add order field.
8582 (struct cgraph_varpool_node): Add order field.
8583 (struct cgraph_asm_node): Define.
8584 (cgraph_asm_nodes, cgraph_order): Declare.
8585 (cgraph_add_asm_node): Declare.
8586 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8588 (cgraph_varpool_assemble_pending_decls): Call it.
8589 (cgraph_output_pending_asms): New static function.
8590 (cgraph_finalize_compilation_unit): Call it.
8591 (struct cgraph_order_sort): Define.
8592 (cgraph_output_in_order): New static function.
8593 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8594 !flag_toplevel_reorder case.
8595 * c-parser.c: Include "cgraph.h".
8596 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8598 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8599 than -fno-unit-at-a-time.
8600 * doc/invoke.texi (Option Summary): Mention
8601 -fno-toplevel-reorder.
8602 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8603 -funit-at-a-time documentation.
8605 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8606 Kazu Hirata <kazu@codesourcery.com>
8608 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8610 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8612 * Makefile.in (FUNCTION_H): New. Use it instead of
8613 function.h throughout the file.
8614 * function.h: Include tree.h.
8616 2006-01-17 Ben Elliston <bje@au.ibm.com>
8618 * recog.c: Separate some functions with whitespace.
8620 2006-01-16 Richard Henderson <rth@redhat.com>
8622 Merge from gomp branch:
8623 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8624 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8625 and rename from struct inline_data. Rename callee* to dst*;
8626 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8627 transform_new_cfg, transform_return_to_modify, and
8628 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8630 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8631 (copy_decl_for_dup): Remove.
8632 * tree-inline.c (struct inline_data): Move to header.
8633 (insert_decl_map): Export.
8634 (remap_decl): Update for member name changes. Use copy_decl hook.
8635 Allow for replacement to be a non-decl. Remove dead code.
8636 (remap_type_1): Check for existing mapping.
8637 (remap_type): Export.
8638 (remap_decls): Update for member name changes.
8639 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8640 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8641 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8642 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8643 (tree_function_versioning, build_duplicate_type): Likewise.
8644 (copy_body_r): Likewise. Export.
8645 (copy_decl_for_dup): Split into ...
8646 (copy_decl_for_dup_finish, copy_decl_to_var,
8647 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8648 (replace_ref_tree, inlining_p): Remove.
8650 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8652 * ifcvt.c (if_convert): Make it static.
8653 * rtl.h: Remove the prototype for if_convert.
8655 * local-alloc.c (local_alloc): Make it static.
8656 * rtl.h: Remove the prototype for local_alloc.
8658 * loop.c (loop_optimize): Make it static.
8659 * cfgloop.h: Remove the prototype for loop_optimize.
8662 2006-01-16 DJ Delorie <dj@redhat.com>
8664 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8667 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8669 * pa.md: Disparage copies between general and floating-point registers
8670 in 32-bit move patterns.
8672 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8675 * Makefile.in (check-%): Depend on site.exp instead of
8676 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8679 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8681 * global.c (global_alloc): Make it static.
8682 * rtl.h: Remove the prototype for global_alloc.
8684 2006-01-16 Richard Guenther <rguenther@suse.de>
8686 * tree-ssa-alias.c (struct used_part): Add write_only field.
8687 (get_or_create_used_part_for): Initialize it to true.
8688 (create_overlap_variables_for): Don't create structure variables
8689 for structures that only are written to.
8690 (find_used_portions): Handle MODIFY_EXPR to track whether a
8691 structure is only written to.
8693 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8695 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8697 * basic-block.h: Remove the prototype for
8698 partition_hot_cold_basic_blocks.
8700 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8702 * cppspec.c (lang_specific_spec_functions): Remove.
8703 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8704 * gcc.h (lang_specific_spec_functions): Remove.
8705 * gccspec.c (lang_specific_spec_functions): Remove.
8707 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8709 * combine.c (record_value_for_reg): Invalidate registers
8711 (record_dead_and_set_regs_1): Likewise, by passing them to
8712 record_value_for_reg.
8713 (record_dead_and_set_regs): Invalidate stores made by a
8714 call. We do not combine across a call, but we still
8715 relied on equivalences.
8717 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8719 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8720 vrp_int_const_binop returning non-constant nodes.
8722 2006-01-16 Paul Brook <paul@codesourcery.com>
8724 * config/m68k/m68k.c (output_move_const_into_data_reg):
8725 Output correct mnemonic for mvz and mvs.
8727 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8729 * rtl-factoring.c: Add sequence abstraction algorithm.
8730 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8731 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8733 (block_has_preserve_label): New function.
8734 * common.opt: Register new pass.
8735 * Makefile.in: Ditto.
8737 * timevar.def: Ditto.
8738 * tree-pass.h: Ditto.
8739 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8740 * rtl.h (make_jump_insn_raw): Add forward decl.
8741 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8743 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8744 Roger Sayle <roger@eyesopen.com>
8746 * fold-const.c (fold_minmax): New static function.
8747 (fold_binary) <MIN_EXPR>: Call it.
8748 <MAX_EXPR>: Likewise.
8749 * stor-layout.c (place_field): Use DECL_SIZE consistently
8750 in the computation of the new record size.
8752 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8754 * cse.c (cse_condition_code_reg): Make it static.
8755 * rtl.h: Remove the prototype for cse_condition_code_reg.
8757 * combine.c (combine_instructions): Make it static.
8758 * rtl.h: Remove the prototype for combine_instructions.
8760 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8763 * tree.c (get_file_function_name_long): Concatenate the first global
8764 object name with a string derived from the input filename of the object
8767 2006-01-16 Ben Elliston <bje@au.ibm.com>
8769 * config/i386/winnt-stubs.c: Update FSF address.
8770 * config/xtensa/ieee754-df.S: Ditto.
8771 * config/xtensa/ieee754-sf.S: Ditto.
8773 2006-01-14 Ian Lance Taylor <ian@airs.com>
8775 * ifcvt.c (noce_init_if_info): New static function, broken out of
8776 noce_process_if_block.
8777 (noce_process_if_block): Call noce_init_if_info.
8778 (check_cond_move_block): New static function.
8779 (cond_move_process_if_block): New static function.
8780 (process_if_block): Call cond_move_process_if_block.
8782 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8784 * cselib.c (hash_table): Rename to cselib_hash_table.
8785 (cselib_clear_table, discard_useless_values,
8786 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8787 cselib_init, cselib_finish): Adjust uses of hash_table.
8789 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8791 PR tree-optimization/25485
8792 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8793 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8794 is known to be false and true, respectively.
8796 2006-01-14 Richard Guenther <rguenther@suse.de>
8798 PR tree-optimization/22548
8799 PR tree-optimization/22555
8800 PR tree-optimization/22501
8801 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8802 * params.def (salias-max-array-elements): New parameter.
8803 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8804 * doc/invoke.texi (salias-max-array-elements): Document.
8805 * tree-flow-inline.h (var_can_have_subvars): We also handle
8807 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8809 * tree-ssa-structalias.c (params.h): Include.
8810 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8811 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8812 (get_constraint_for): For ADDR_EXPR operating on something
8813 containing an ARRAY_REF, add all subvars to the solution.
8814 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8815 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8816 for creating MUST_DEFs.
8817 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8819 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8821 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8823 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8824 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8825 number_of_iterations_le): New functions.
8826 (number_of_iterations_special): Removed.
8827 (number_of_iterations_exit): Do not use number_of_iterations_special.
8828 * tree.c (unsigned_type_for): Always return integer type.
8830 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8831 Richard Guenther <rguenther@suse.de>
8833 PR rtl-optimization/24257
8834 * gcse.c (find_moveable_store): Only consider a store movable
8835 when the SET_SRC of the insn can be assigned to a register.
8837 2006-01-14 Ian Lance Taylor <ian@airs.com>
8839 * tree.c (tree_not_class_check_failed): New function.
8840 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8841 (tree_not_class_check_failed): Declare.
8843 2006-01-13 Ian Lance Taylor <ian@airs.com>
8845 * reload1.c (do_output_reload): Add assertion rejecting a
8848 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8850 * combine.c (struct reg_stat): Add new fields truncation_label and
8852 (record_value_for_reg): Reset truncated_to_mode.
8853 (record_truncated_value): New function.
8854 (check_promoted_subreg): Call it. Rename to check_conversions.
8855 (combine_instructions): Rename check_promoted_subreg to
8857 (reg_truncated_to_mode): New function.
8858 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8859 (gen_lowpart_or_truncate): New function.
8860 (force_to_mode): Use it instead of gen_lowpart.
8862 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8864 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8865 VAR is a tag, not its type tag.
8867 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8869 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8870 alternatives to match style of other entries.
8871 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8873 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8875 PR tree-optimization/25771
8876 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8879 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8882 * tree-inline.c (declare_return_variable): If the return variable
8883 was marked as a non gimple complex, set the return slot variable
8884 to be a non gimple comple variable.
8886 2006-01-13 Richard Guenther <rguenther@suse.de>
8888 * builtins.c (expand_builtin_sincos): New function.
8889 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8891 (expand_builtin): Expand sincos using expand_builtin_sincos.
8893 2006-01-12 DJ Delorie <dj@redhat.com>
8895 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8896 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8897 so that constant shifts can be split.
8898 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8899 (m32c_valid_pointer_mode): Make static.
8900 (shift_gen_func_for): New.
8901 (m32c_prepare_shift): Use it. Split large const shifts into
8903 * config/m32c/predicates.md (shiftcount_operand): Allow more
8905 (longshiftcount_operand): New.
8906 * doc/md.texi (Machine Constraints): Document In6.
8908 2006-01-13 Ben Elliston <bje@au.ibm.com>
8910 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8911 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8914 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8916 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8917 to try to avoid clobbering pieces of structures when we know
8918 something about the whole structure.
8919 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8921 2006-01-13 Ben Elliston <bje@au.ibm.com>
8923 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8924 return in memory, as this is no limitation is no longer present.
8926 2006-01-12 DJ Delorie <dj@redhat.com>
8928 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8929 mova with fb, and for fb+0 -> An.
8931 * config/m32c/mov.md (peephole2): Fix enabling logic.
8933 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8934 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8935 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8936 FINI_ARRAY_SECTION_ASM_OP): Define.
8938 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8940 (m32c_legitimize_reload_address): New logic to reload FB to An.
8941 (m32c_output_reg_push): Add newline.
8942 (m32c_output_reg_pop): Likewise.
8944 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8946 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8948 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8950 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8952 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8954 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8957 2006-01-11 Ben Elliston <bje@au.ibm.com>
8959 * rtlanal.c (find_reg_note): Assert insn is not null.
8961 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8963 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8966 2006-01-11 Jeff Law <law@redhat.com>
8968 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8970 (mark_threaded_blocks, register_jump_thread): New functions.
8971 (thread_through_all_blocks): Remove unwanted argument. No
8972 longer rely on e->aux to communicate thread target info.
8973 Call mark_threaded_blocks. Release the threaded_blocks
8974 bitmap and threaded_edges vector when complete.
8975 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8976 (threaded_blocks): Remove.
8977 (tree_ssa_dominator_optimize): Remove initialization and
8978 finalization of threaded_blocks. Simplify call to
8979 thread_through_all_blocks.
8980 (thread_across_edge): Call register_jump_thread rather than
8981 storing thread information into e->aux.
8982 (free_all_edge_infos): Simplify now that e->aux is no longer
8983 used to communicate with thread_through_all_blocks.
8984 * tree-flow.h (thread_through_all_blocks): Update prototype.
8985 (register_jump_thread): Prototype.
8987 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8989 * df-core.c (df_compact_blocks, df_bb_replace): Use
8990 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8992 2006-01-11 Richard Guenther <rguenther@suse.de>
8994 PR tree-optimization/25734
8995 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8996 stop propagation after successful propagation to the LHS.
8998 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9000 * basic-block.h (control_flow_graph): Change the type of
9001 x_basic_block_info to VEC(basic_block,gc) *.
9002 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9004 (SET_BASIC_BLOCK): New.
9005 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9006 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9007 * cfgbuild.c (find_basic_blocks): Likewise.
9008 * cfglayout.c (fixup_reorder_chain): Likewise.
9009 * cfgrtl.c (create_basic_block_structure,
9010 rtl_create_basic_block): Likewise.
9011 * ifcvt.c (find_if_case_1): Likewise.
9012 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9015 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9017 * Makefile.in: Removed rotted odf.c entry.
9019 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9022 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9023 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9024 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9025 output pattern modifier, not %e.
9026 * config/cris/cris.c (cris_op_str): Update comment about pattern
9028 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9029 before falling through into...
9030 <case 'E'>: Redefined from old 'e' case.
9032 2006-01-11 Jan Hubicka <jh@suse.cz>
9035 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9037 2006-01-11 Jan Hubicka <jh@suse.cz>
9039 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9040 * i386.c (x86_decompose_lea): Kill.
9041 (ix86_rtx_costs): Kill.
9043 2006-01-11 Jan Hubicka <jh@suse.cz>
9045 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9046 * cgraph.h (cgraph_node): Add inline_decl.
9047 (cgraph_insert_node_to_hashtable): Declare.
9048 (save_inline_function_body): Declare.
9049 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9051 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9052 (cgraph_function_versioning): Update call of tree_function_versioning.
9053 (save_inline_function_body): New function.
9054 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9055 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9056 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9057 (cgraph_default_inline_p): Likewise.
9058 (cgraph_decide_inlining_incrementally): Likewise.
9059 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9060 (copy_bb): Kill saving; do updating of clones.
9061 (copy_cfg_body): Kill saving.
9062 (initialize_inlined-parameters): Likewise.
9063 (expand_call_inline): Likewise.
9065 (tree_function_versioning): New parameter "update_clones".
9066 (inlining_p): Kill saving.
9067 * tree-inline.h (tree_function_versioning): Update prototype.
9068 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9071 2006-01-11 Ian Lance Taylor <ian@airs.com>
9073 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9074 Allow undoing set of machine mode.
9075 (do_SUBST): Use enums instead of is_int.
9076 (do_SUBST_MODE): New function.
9077 (SUBST_MODE): New macro.
9078 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9079 reg and trying to replace reg_regno_rtx with a new register.
9080 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9081 (simplify_set): Use SUBST_MODE.
9082 (distribute_notes): Remove code that tried to update reg notes
9083 for regno_reg_rtx changes.
9085 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9087 PR tree-optimization/23109
9088 PR tree-optimization/23948
9089 PR tree-optimization/24123
9091 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9092 * tree-cfg.c (single_noncomplex_succ): New.
9093 * tree-flow.h (single_noncomplex_succ): Declare it.
9094 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9095 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9096 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9097 insert_bb, register_division_in, insert_reciprocals,
9098 replace_reciprocal, free_bb): New.
9099 (execute_cse_reciprocals_1): Rewritten.
9100 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9101 Do not commit any edge insertion. Always compute dominators and
9102 create the allocation pool.
9103 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9104 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9105 * targhooks.c (default_min_divistions_for_recip_mul): New.
9106 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9107 * passes.c (init_optimization_passes): Run recip after tree loop
9109 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9111 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9112 Kenneth Zadeck <zadeck@naturalbridge.com>
9114 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9115 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9116 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9117 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9118 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9119 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9120 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9121 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9122 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9123 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9124 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9125 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9126 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9127 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9128 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9129 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9130 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9131 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9132 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9133 DF_SCAN_POST_ALLOC): New macros.
9134 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9135 df_free_bb_function, df_local_compute_function, df_init_function,
9136 df_dataflow_function, df_confluence_function_0,
9137 df_confluence_function_n, df_transfer_function,
9138 df_finalizer_function, df_free_function, df_dump_problem_function,
9139 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9140 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9141 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9142 df_urec_bb_info, ) New types.
9143 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9145 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9146 df_analyze_simple_change_some_blocks,
9147 df_analyze_simple_change_one_block, df_compact_blocks,
9148 df_bb_replace, df_bb_regno_last_use_find,
9149 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9150 df_insn_regno_def_p, df_find_def, df_find_use,
9151 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9152 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9153 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9154 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9155 debug_df_chain, df_get_dependent_problem, df_chain_create,
9156 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9157 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9158 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9159 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9160 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9161 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9162 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9163 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9164 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9165 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9166 df_reorganize_refs, df_set_state, df_hard_reg_init,
9167 df_read_modify_subreg_p) New public functions.
9168 * df-core.c: The core dataflow solver and glue routines for rtl
9170 (df_init, df_add_problem, df_set_blocks, df_finish,
9171 df_hybrid_search_forward, df_hybrid_search_backward,
9172 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9173 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9174 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9175 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9176 df_reg_defined, df_find_use, df_reg_used, df_dump,
9177 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9178 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9179 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9180 debug_df_useno, reset_df_after_reload): New functions.
9181 * df-scan.c: The scanning fuctions, once in df.c, completely
9182 rewritten so that they now fully model the functionality of
9183 register usage at the backend.
9184 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9185 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9186 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9187 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9188 df_get_artificial_defs, df_get_artificial_uses,
9189 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9190 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9191 df_refs_delete, df_reorganize_refs, df_set_state,
9192 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9193 df_def_record_1, df_defs_record, df_uses_record,
9194 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9195 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9196 df_record_exit_block_uses, df_hard_reg_init): New functions.
9198 * df-problems.c: Seven concrete dataflow problems that use the
9199 scanning in df-scan.c and are solved by the engine in df-core.c.
9200 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9201 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9202 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9203 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9204 df_ru_free_bb_info, df_ru_alloc,
9205 df_ru_bb_local_compute_process_def,
9206 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9207 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9208 df_ru_transfer_function, df_ru_free, df_ru_dump,
9209 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9210 df_rd_free_bb_info, df_rd_alloc,
9211 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9212 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9213 df_rd_transfer_function, df_rd_free, df_rd_dump,
9214 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9215 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9216 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9217 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9218 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9219 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9220 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9221 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9222 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9223 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9224 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9225 df_urec_mark_reg_use_for_earlyclobber,
9226 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9227 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9228 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9229 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9230 df_chain_create_bb_process_use, df_chain_create_bb,
9231 df_chain_finalize, df_chain_free, df_chains_dump,
9232 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9233 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9234 df_reg_lifetime): New functions.
9235 * df.c: Deleted file.
9236 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9237 consistent with new df api.
9238 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9239 rest_of_handle_sms): Ditto.
9240 * web.c (unionfind_union, union_defs, entry_register, web_main):
9242 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9243 invariant_expr_equal_p, find_defs, check_dependencies,
9244 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9245 free_inv_motion_data, move_loop_invariants): Ditto.
9246 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9247 Update dependencies.
9248 (odf.c): Added defective entry that was deleted later in day.
9249 * sched-deps.c (sched_analyze_1): Ditto.
9251 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9253 * tree-ssa-operands.c (get_expr_operands): Record addressable
9254 variables directly. Do not call add_stmt_operands for CONST_DECLs
9256 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9257 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9259 2006-01-11 Ben Elliston <bje@au.ibm.com>
9261 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9262 function returns true in the positive case.
9264 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9267 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9268 for SI, DI, SF and DF modes. Add alternatives to copy between
9269 general and floating point registers to the 32-bit patterns.
9270 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9271 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9272 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9273 generating 64-bit code.
9274 * config/pa/pa.c (output_move_double): Handle copies between general
9275 and floating registers.
9277 2006-01-10 Stuart Hastings <stuart@apple.com>
9279 * config/i386/i386.md (set_got): Update.
9280 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9281 (builtin_setjmp_receiver): Mach-O support.
9282 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9283 (GOT_SYMBOL_NAME): Define.
9284 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9285 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9286 * config/i386/i386.c (override_options): Revise for Darwin.
9287 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9288 support. (darwin_x86_file_end): New. (output_set_got): Add label
9289 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9290 * config/i386/i386-protos.h (output_set_got): Likewise.
9291 * config/darwin.c (machopic_legitimize_pic_address): Update
9294 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9296 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9297 when MODE isn't BLKmode.
9299 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9301 PR rtl-optimization/25367
9302 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9304 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9307 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9308 for a negative bound.
9310 2006-01-10 Richard Guenther <rguenther@suse.de>
9312 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9313 Never override with anything constraint.
9315 2006-01-10 Jan Beulich <jbeulich@novell.com>
9317 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9318 256 bits when optimize_size.
9320 2006-01-10 Jan Beulich <jbeulich@novell.com>
9322 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9324 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9325 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9328 2006-01-10 Ben Elliston <bje@au.ibm.com>
9330 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9332 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9333 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9334 (USE_FP_FOR_ARG): Reject decimal float modes.
9335 (function_arg_advance): Likewise.
9336 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9337 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9338 point types in AltiVec vectors.
9339 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9340 (rs6000_libcall_value): Likewise.
9342 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9344 * config/xtensa/ieee754-df.S: New file.
9345 * config/xtensa/ieee754-sf.S: New file.
9346 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9347 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9348 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9350 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9352 * config/sh/predicates.md (binary_float_operator,
9353 binary_logical_operator, commutative_float_operator,
9354 equality_comparison_operator, greater_comparison_operator,
9355 less_comparison_operator, logical_operator,
9356 noncommutative_float_operator, shift_operator,
9357 symbol_ref_operand, unary_float_operator): Remove redundant
9360 2006-01-09 Jeff Law <law@redhat.com>
9362 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9363 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9364 now unused arguments. Callers updated.
9365 (eliminate_redundant_computations): Remove now unused arguments,
9367 (local_fold): Remove, no longer used.
9368 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9370 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9371 (simplify_cond): New function.
9372 (forward_propagate_into_cond): Call simplify_cond.
9374 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9376 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9377 (*vec_extractv2di_1_sse): New.
9379 2006-01-09 Ben Elliston <bje@au.ibm.com>
9381 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9383 2006-01-08 Richard Guenther <rguenther@suse.de>
9385 * tree-ssa-structalias.c (get_constraint_for): Remove
9387 (get_constraint_for_component_ref): Likewise.
9388 (do_deref): Likewise.
9389 (get_constraint_for): Likewise.
9390 (do_structure_copy): Likewise.
9391 (handle_ptr_arith): Likewise.
9392 (find_func_aliases): Likewise. Remove unused need_anyoffset
9395 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9396 Kaz Kojima <kkojima@gcc.gnu.org>
9398 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9399 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9400 (EXTRA_CONSTRAINT_C16): Remove.
9401 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9402 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9403 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9404 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9405 constants of SHmedia. Handle nested constant expressions of
9407 (andcosts): Fix the costs for SHmedia constants.
9408 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9409 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9410 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9411 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9412 (movv4hi_i, movv2si_i): Likewise.
9413 (movsi_const): Adjust the second operand of ior so to match with
9415 (movdi_const, movdi_const_32bit): Likewise.
9416 (movdi_const_16bit+1): Don't sign-extend LOW.
9417 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9419 (*double_shori): Fix the split condition. Use GEN_INT instead
9420 of get_int_mode calls. Mask lower 16-bit of the argument of
9422 (sym2GOTPLT): Remove.
9423 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9425 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9426 instead of EXTRA_CONSTRAINT_C16.
9428 2006-01-07 Ian Lance Taylor <ian@airs.com>
9429 David Edelsohn <edelsohn@gnu.org>
9431 PR rtl-optimization/25662
9432 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9433 for constant operands instead of simplify_gen_binary.
9434 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9435 after trying simplify_binary_operation
9437 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9439 * tree.c (iterative_hash_expr): Hash decls based on UID.
9441 2006-01-06 Eric Christopher <echristo@apple.com>
9443 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9444 (TARGET_UNWIND_EMIT): Fix spelling.
9445 * target.h (gcc_target): Add except_table_label.
9446 * except.c (output_function_exception_table): Use.
9447 * varasm.c (default_emit_except_table_label): New.
9448 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9450 (asm_out): Add here.
9451 * output.h (default_emit_except_table_label): Prototype.
9452 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9453 * config/darwin.c (darwin_emit_except_table_label): Define.
9454 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9456 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9458 PR tree-optimization/18527
9459 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9460 number_of_iterations_special, number_of_iterations_exit):
9461 Move base and step of an iv to a single structure. Add
9462 no_overflow flag, and use it in # of iterations analysis.
9463 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9464 folded_casts argument.
9465 (simple_iv): Pass base and step in a structure. Set no_overflow
9467 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9468 Evaluate expensiveness of computing # of iterations instead of
9469 the final expression.
9470 * tree-scalar-evolution.h (affine_iv): New structure.
9471 (simple_iv): Declaration changed.
9472 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9473 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9474 find_givs_in_stmt): Changed due to simple_iv change.
9476 2006-01-06 Jeff Law <law@redhat.com>
9479 * tree-cfg.c (bsi_replace): Rename final argument from
9480 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9481 change (stmt -> orig_stmt).
9482 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9483 (bsi_remove): Add new argument. Remove EH information
9485 (verify_eh_throw_table_statements): New function.
9486 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9488 * tree-optimize.c (execute_free_cfg_annotations): Verify
9489 the EH throw statement table after removing annotations.
9490 * except.h (verify_eh_throw_table_statements): Prototype.
9491 * tree-flow.h (bsi_remove): Update prototype.
9492 * tree-vrp.c (remove_range_assertions): Add new argument to
9494 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9495 * tree-complex.c (expand_complex_div_wide): Likewise.
9496 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9497 * tree-tailcall.c (eliminate_tailcall): Likewise.
9498 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9499 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9500 * tree-nrv.c (tree_nrv): Likewise.
9501 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9502 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9503 (combine_blocks): Likewise.
9504 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9505 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9506 (cleanup_control_flow): Likewise.
9507 (remove_forwarder_block): Likewise.
9508 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9509 * tree-sra.c (sra_replace): Likewise.
9510 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9511 (forward_propagate_single_use_vars): Likewise.
9512 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9513 * tree-inline.c (expand_call_inline): Likewise.
9514 * tree-vect-transform.c (vect_transform_loop): Likewise.
9515 * tree-outof-ssa.c (rewrite_trees): Likewise.
9516 * tree-cfg.c (make_goto_expr_edges): Likewise.
9517 (cleanup_dead_labels): Likewise.
9518 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9519 (bsi_move_before, bsi_move_after): Likewise.
9520 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9521 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9523 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9526 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9528 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9529 on non gimple variables. Also add checks at the top for decls and
9531 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9533 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9534 and IMAGPART_EXPR for creating MUST_DEFs.
9535 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9536 and NAME_MEMORY_TAG separately from the DECLs.
9538 2006-01-06 Richard Guenther <rguenther@suse.de>
9540 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9541 annotation, if necessary.
9542 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9543 redundant calls to update_stmt.
9544 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9547 2006-01-05 Richard Henderson <rth@redhat.com>
9549 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9551 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9553 * c-typeck.c: Update copyright date.
9555 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9557 * c-typeck.c (build_c_cast): Always warn when casting
9558 from a pointer to an integer of different size, even if
9559 the node was constant.
9561 2006-01-05 Richard Guenther <rguenther@suse.de>
9563 PR tree-optimization/22555
9564 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9565 if one structure field is an array.
9566 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9567 operands even if we found a subvar, but ignore VOPs in this
9569 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9571 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9573 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9576 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9578 2006-01-05 Richard Guenther <rguenther@suse.de>
9579 Diego Novillo <dnovillo@redhat.com>
9581 * tree-pass.h (TODO_remove_unused_locals): Define.
9582 * gimple-low.c (expand_var_p, remove_useless_vars,
9583 pass_remove_useless_vars): Remove. Update all users.
9584 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9585 (remove_unused_locals): New function.
9586 * tree-flow.h (remove_unused_locals): Declare.
9587 * passes.c (execute_todo): Call remove_unused_locals if
9588 TODO_remove_unused_locals is set.
9589 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9590 * tree-ssa-dce.c (pass_dce): Likewise.
9591 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9593 2006-01-05 Richard Guenther <rguenther@suse.de>
9595 * tree-flow.h (struct fieldoff): Decompose field to
9596 type, size and decl.
9597 * tree-ssa-alias.c (create_sft): Take type as parameter.
9598 (create_overlap_variables_for): Store type, size and decl
9599 in the fieldoff structure.
9600 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9602 (push_fields_onto_fieldstack): Likewise.
9603 (create_variable_info_for): Likewise. Use offset for the
9604 SFT name if the decl is not available.
9606 2006-01-04 Paul Brook <paul@codesourcery.com>
9608 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9610 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9612 * lambda-code.c (can_put_in_inner_loop): Relax
9614 (can_put_after_inner_loop): New function.
9615 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9616 (perfect_nestify): Change to make copies and modify uses.
9618 2006-01-04 Richard Henderson <rth@redhat.com>
9620 Merge from gomp branch:
9621 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9622 via integer constant.
9623 (pragma_lex): Remove.
9624 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9625 rather than parsing it.
9626 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9627 handle_pragma_extern_prefix): Add %< %> quotes.
9628 (registered_pragmas): New.
9629 (c_register_pragma_1): New.
9630 (c_register_pragma): Use it.
9631 (c_register_pragma_with_expansion): Likewise.
9632 (c_invoke_pragma_handler): New.
9633 (init_pragma): Use cpp_register_deferred_pragma directly for
9635 * c-pragma.h (enum pragma_kind): New.
9636 (pragma_handler): New.
9637 (c_invoke_pragma_handler): Declare.
9638 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9640 * c-common.h (c_common_pch_pragma): Update decl.
9641 * Makefile.in (c-parser.o): Update dependencies.
9642 (GTFILES): Add c-pragma.h.
9643 * c-parser.c (struct c_token): Add pragma_kind.
9644 (struct c_parser): Add in_pragma.
9645 (c_lex_one_token): Always initialize keyword and pragma_kind.
9646 Extract data for CPP_PRAGMA.
9647 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9648 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9649 Don't allow CPP_PRAGMA_EOL if in_pragma.
9650 (c_parser_consume_pragma): New.
9651 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9652 (c_parser_skip_to_end_of_parameter): Likewise.
9653 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9654 (c_parser_skip_to_pragma_eol): New.
9655 (c_parser_external_declaration): Handle CPP_PRAGMA.
9656 (c_parser_compound_statement_nostart): Likewise.
9657 (c_parser_statement_after_labels): Likewise.
9658 (c_parser_pragma): New.
9659 (pragma_lex): Likewise.
9660 (c_parser_pragma_pch_preprocess): New.
9661 (c_parser_new): Merge into ...
9662 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9664 2006-01-04 Jeff Law <law@redhat.com>
9667 * tree-cfg.c (bsi_replace): Remove the original statement
9668 from the EH throw statement table.
9670 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9672 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9673 make the prototype extern "C" and add throw ().
9676 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9677 and pos non-negative and pos + len <= 32.
9678 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9679 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9680 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9683 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9684 as well as sizes not multiple of component size.
9687 * function.c (instantiate_expr): New function.
9688 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9689 walk its DECL_VALUE_EXPR with instantiate_expr.
9691 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9692 DW_OP_deref{,_size} if address isn't going to be added.
9694 2006-01-04 Ben Elliston <bje@au.ibm.com>
9696 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9697 * config/fp-bit.c: Likewise.
9699 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9701 * dominance.c: Add comment about why we use DFS numbering
9704 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9705 Richard Henderson <rth@redhat.com>
9707 Merge from gomp-branch:
9708 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9709 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9711 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9713 PR rtl-optimization/25578
9714 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9715 pass a parameter to simplify_shift_const if changing ASHIFTRT
9718 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9720 * builtins.c (get_builtin_sync_mem): New function.
9721 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9722 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9723 Call get_builtin_sync_mem to generate mem rtx.
9725 2006-01-03 Richard Guenther <rguenther@suse.de>
9728 * stmt.c (add_case_node): Make sure to clear overflow flags
9731 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9733 Merge from gomp-branch.
9734 * config/sparc/sync.md: New file.
9735 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9736 UNSPECV_LDSTUB): New constants.
9737 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9738 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9739 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9742 2006-01-03 Roger Sayle <roger@eyesopen.com>
9744 * combine.c (reg_subword_p): New predicate to test whether the
9745 destination of a set refers to a subword/piece of a register.
9746 (try_combine): Generalize the code to merge the setting of a
9747 pseudo to a constant followed by a set of a subword of that
9748 register to a constant.
9750 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9752 * basic-block.h (control_flow_graph): Change the type of
9753 x_label_to_block_map to VEC(basic_block,gc) *.
9754 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9755 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9757 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9758 VEC(basic_block,heap) *.
9759 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9760 ssa_prop_fini): Adjust the uses of cfg_blocks.
9762 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9764 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9766 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9767 hashing trees instead of a pointer hash.
9768 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9769 compare for MEM_EXPR.
9771 PR rtl-optimization/25130
9772 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9773 when comparing MEMs for GCSE
9775 2006-01-03 Ben Elliston <bje@au.ibm.com>
9777 * targhooks.h (default_decimal_float_supported_p): Declare.
9778 * targhooks.c (default_decimal_float_supported_p): Define.
9779 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9780 `default_decimal_float_supported_p'.
9781 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9783 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9785 * combine.c (apply_distributive_law <SUBREG>): Check
9786 TRULY_NOOP_TRUNCATION.
9788 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9790 * dwarf2out.c (have_switched_text_section): Delete.
9791 (have_multiple_function_sections): New.
9792 (have_location_lists): Make 'bool'.
9793 (add_AT_loc_list): Use 'true' not '1'.
9794 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9795 (output_loc_list): Use have_multiple_function_sections.
9796 (output_ranges): Likewise.
9797 (dwarf2out_begin_function): Set have_multiple_function_sections if
9799 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9800 Check function_section rather than DECL_SECTION_NAME.
9801 (dwarf2out_finish): Use have_multiple_function_sections.
9802 Don't clear have_location_lists.
9804 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9805 Jan Hubicka <jh@suse.cz>
9807 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9808 case of conditional jump jumping to the next instruction.
9809 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9810 cases of conditional jump jumping to the next instruction.
9812 2006-01-02 Jan Hubicka <jh@suse.cz>
9814 * i386.c (*_cost): Add COSTS_N_INSNS.
9815 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9817 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9820 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9822 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9824 * config/arm/arm.c (all_fpus): Fix comment typo.
9825 * config/darwin.c: Likewise.
9826 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9827 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9828 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9830 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9832 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9833 (rs6000_split_compare_and_swapqhi): New.
9834 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9835 (sync_compare_and_swapqhi_internal): New.
9836 * config/rs6000/rs6000-protos.h: Declare.