1 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3 * c-typeck.c (pop_init_level): Simplify.
5 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9 2006-04-21 Paul Brook <paul@codesourcery.com>
11 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
12 hardware floating point.
14 2006-04-21 David Edelsohn <edelsohn@gnu.org>
16 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
19 2006-04-21 Nick Clifton <nickc@redhat.com>
21 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
24 2006-04-21 Alan Modra <amodra@bigpond.net.au>
27 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
28 C++ lang type in traceback table for Objective-C++.
30 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
32 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
34 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
36 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
39 * tree-mudflap.c (mudflap_finish_file): Skip function when there
40 were errors. Remove check for erroneous objects.
42 2006-04-20 Jeff Law <law@redhat.com>
44 PR tree-optimization/26854
45 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
46 checking for zero or one use.
47 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
48 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
49 * tree-ssa-reassoc.c (negate_value): Similarly.
50 (reassociate_bb): Similarly.
52 2006-04-20 Jakub Jelinek <jakub@redhat.com>
54 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
55 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
56 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
58 2006-04-20 Alan Modra <amodra@bigpond.net.au>
60 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
61 fp regs if the last fp arg doesn't fit in regs.
63 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
66 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
67 that the last insn has the REG_INC note.
69 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
70 Nathan Sidwell <nathan@codesourcery.com>
73 * stor-layout.c (update_alignment_for_field): Do not align
75 (place_union_field): Place union field at the start of the union.
76 (place_field): Move ERROR_MARK check later, and use the current
77 allocation position to maintain monotonicity.
79 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
81 * dominance.c: Include timevar.h.
82 (calculate_dominance_info): Use TV_DOMINANCE.
83 * timevar.def (TV_DOMINANCE): New timevar.
84 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
86 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
88 PR rtl-optimization/14261
89 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
90 move would be an INSV insn.
91 (noce_process_if_block): Don't optimize if the destination is a
92 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
94 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
96 * config/s390/s390.md: Add comments with the instructions emitted
97 by an insn pattern if macros are used.
99 2006-04-19 Alan Modra <amodra@bigpond.net.au>
101 PR rtl-optimization/26026
102 * fold-const.c (fold_binary): Optimize div and mod where the divisor
103 is a known power of two shifted left a variable amount.
105 2006-04-18 Geoffrey Keating <geoffk@apple.com>
107 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
108 to hash table twice when the debug_str section has SECTION_MERGE.
110 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
112 * config/soft-fp: New directory. From glibc.
113 * config/soft-fp/t-softfp: New.
114 * config/soft-fp/README: New.
115 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
116 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
117 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
118 (LIBGCC_DEPS): Add $(SFP_MACHINE).
119 * config.gcc: Use rs6000/t-fprules-fpbit or
120 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
122 * config/rs6000/sfp-machine.h: New. Based on glibc.
123 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
125 * config/rs6000/t-fprules: Remove fp-bit rules.
126 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
127 * config/rs6000/t-linux64: Likewise. Remove duplicates from
128 LIB2FUNCS_EXTRA. Remove fp-bit rules.
129 (softfp_wrap_start, softfp_wrap_end): New.
131 2006-04-18 DJ Delorie <dj@redhat.com>
133 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
135 2006-04-18 Devang Patel <dpatel@apple.com>
137 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
139 2006-04-18 Nick Clifton <nickc@redhat.com>
141 * config/sh/t-symbian: Add rule to build sh-c.o
142 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
143 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
144 (sh_symbian_encode_section_info): Likewise.
146 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
148 * builtins.c (expand_builtin_strcmp): Cover label definition of
149 do_libcall with HAVE_cmpstrnsi.
151 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
153 * function.c (temp_slots_at_level, max_slot_level): Use VEC
155 * function.h (temp_slot_p): New.
156 (function): Change the type of x_used_temp_slots to
157 VEC(temp_slot_p,gc) *.
159 2006-04-18 Nick Clifton <nickc@redhat.com>
161 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
162 flag_strength_reduce.
164 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
166 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
170 Partial revert of revision 112637
171 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
172 Dale Johannesen <dalej@apple.com>
175 * regclass.c (struct reg_pref): Update documentation.
176 (regclass): Set prefclass to NO_REGS if memory is the best option.
177 (record_reg_classes): Cope with a prefclass set to NO_REGS.
179 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
181 PR tree-optimization/26821
182 * tree-ssa-math-opts.c (get_constant_one): New.
183 (insert_reciprocals): Use it.
185 2006-04-17 Geoffrey Keating <geoffk@apple.com>
187 * dwarf2out.c (free_AT): Delete.
188 (remove_AT): Update string ref counts.
189 (remove_child_TAG): Don't call free_die.
191 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
193 (prune_unused_types_walk_attribs): Reset string refcounts.
194 (prune_unused_types_update_strings): New.
195 (prune_unused_types_prune): Don't make unnecessary stores. Don't
196 call free_die. Do call prune_unused_types_update_strings.
197 (prune_unused_types): Empty debug_str_hash.
199 2006-04-17 Roger Sayle <roger@eyesopen.com>
201 * expr.c (expand_assignment): Optimize away no-op moves where the
202 source and destination are equal and have no side-effects.
204 2006-04-17 Richard Guenther <rguenther@suse.de>
207 * reload.c (push_reload): Guard calls to get_secondary_mem
210 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
212 * alias.c (reg_base_value, old_reg_base_value): Change the
213 type to VEC(rtx,gc) *.
214 (REG_BASE_VALUE, find_base_value, record_set,
215 init_alias_analysis): Use VEC instead of VARRAY.
217 * alias.c (alias_sets): Change the type to
218 VEC(alias_set_entry,gc) *.
219 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
220 VEC instead of VARRAY.
221 (last_alias_set): Remove.
223 * cgraph.h (cgraph_edge_p): New.
224 Update the prototype of cgraph_function_versioning.
225 * cgraphunit.c (cgraph_copy_node_for_versioning,
226 cgraph_function_versioning): Use VEC instead of VARRAY.
227 * ipa-cp.c (ipcp_insert_stage): Likewise.
229 2006-04-16 Roger Sayle <roger@eyesopen.com>
232 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
233 "A op B" or "A op C", we may need to convert A to the type of B and C.
235 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
237 * target.h (struct gcc_target): Add mode_rep_extended.
238 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
239 (init_num_sign_bit_copies_in_rep): Initialize it using
241 (truncate_to_mode): Use it.
242 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
243 * targhooks.h (default_mode_rep_extended): Declare it.
244 * targhooks.c (default_mode_rep_extended): Define it.
245 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
246 default_mode_rep_extended.
247 (TARGET_INITIALIZER): Include it.
248 * doc/tm.texi (Misc): Document it.
249 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
250 (mips_truncated_to_mode): New function.
252 2006-04-16 Roger Sayle <roger@eyesopen.com>
255 * expr.c (compress_float_constant): Copy the narrow constant into
256 a new pseudo before extending it to its final width.
258 2006-04-16 Roger Sayle <roger@eyesopen.com>
259 Andrew Pinski <pinskia@gcc.gnu.org>
260 Dale Johannesen <dalej@apple.com>
263 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
264 special case code to implement V8HImode and V16QImode with SSE2.
266 2006-04-15 Roger Sayle <roger@eyesopen.com>
268 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
269 trees are constructed with a suitable tree type.
271 2006-04-15 Roger Sayle <roger@eyesopen.com>
273 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
274 (integer_onep): Likewise.
275 (integer_all_onesp): Likewise.
276 (integer_pow2p): Likewise.
277 (integer_nonzerop): Likewise.
278 (real_zerop): Likewise.
279 (real_onep): Likewise.
280 (real_twop): Likewise.
281 (real_minus_onep): Likewise.
282 (int_size_in_bytes): Likewise.
283 (host_integerp): Likewise.
285 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
287 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
288 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
289 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
291 * tree-ssa-structalias.h (alias_info): Remove num_references.
293 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
295 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
296 (output_bvb patterns): Likewise.
297 * pa.c (output_bb): Use 'bb' insn for long branch case.
298 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
299 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
300 1. Correct length operand for alternatives 1 and 2.
301 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
302 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
304 2006-04-14 Roger Sayle <roger@eyesopen.com>
306 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
307 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
308 were accidentally reverted by r112959.
310 2006-04-15 Jakub Jelinek <jakub@redhat.com>
313 * except.h (eh_region_outermost): New prototype.
314 * except.c (eh_region_outermost): New function.
315 * tree-cfg.c (find_outermost_region_in_block): Use it.
317 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
319 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
321 * reload1.c (reg_equiv_memory_loc_varray): Rename to
322 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
323 (init_reload, reload): Use VEC instead of VARRAY.
324 * reload.h: Update the prototype for
325 reg_equiv_memory_loc_varray.
327 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
328 Eric Botcazou <ebotcazou@libertysurf.fr>
330 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
333 2005-04-13 Uros Bizjak <uros@kss-loka.si>
336 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
337 to expand fallback builtin function call.
339 2006-04-14 Alan Modra <amodra@bigpond.net.au>
342 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
343 and emit libcall here in case the builtin fails.
344 (expand_builtin_strcmp): Always emit the libcall here on failure.
346 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
348 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
349 * flow.c (reg_n_info): Change the type to
350 VEC(reg_info_p,heap) *.
351 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
353 * regs.h (reg_info_p): New.
354 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
355 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
356 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
359 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
361 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
363 * params.h (MAX_SCHED_READY_INSNS): New macro.
364 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
365 past MAX_SCHED_READY_INSNS during the first scheduling pass.
366 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
367 the ready list for 1 cycle during the first scheduling pass.
368 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
370 2006-04-13 Richard Henderson <rth@redhat.com>
373 * gimple-low.c (lower_omp_directive): Remove dead code.
374 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
375 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
376 * omp-low.c (struct omp_region): Move to tree-flow.h.
377 (root_omp_region): Export.
378 (omp_regions, lookup_omp_region): Remove.
379 (determine_parallel_type): Update for struct omp_region changes.
380 (dump_omp_region): Dump regions with block numbers.
381 (new_omp_region): Take type and block instead of stmt; malloc
383 (free_omp_region_1, free_omp_regions): New.
384 (expand_parallel_call): Take entry_stmt as argument; update for
385 changes to omp_region.
386 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
387 (remove_exit_barriers): New.
388 (expand_omp_parallel): Update for struct omp_region changes.
389 (expand_omp_synch): Likewise.
390 (expand_omp): Likewise.
391 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
392 (expand_omp_for_static_chunk): Likewise.
393 (expand_omp_for): Likewise.
394 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
395 (expand_omp_sections): Similarly, with GOMP_sections_end.
396 (expand_omp_single): New.
397 (build_omp_regions_1): Update for OMP_CONTINUE.
398 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
399 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
400 OMP_SECTIONS_SECTIONS.
401 (lower_omp_single_simple): Don't emit barrier here.
402 (lower_omp_single_copy): Likewise.
403 (lower_omp_single): Fix bindings, and lower to straightline now.
404 (lower_omp_master, lower_omp_ordered): Likewise.
405 (lower_omp_critical): Likewise.
406 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
407 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
408 omp edges, free it afterward.
409 (make_omp_sections_edges): Remove.
410 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
411 (move_stmt_r): Handle OMP_CONTINUE.
412 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
413 statement pointers to basic blocks. Add type member.
414 (root_omp_region, new_omp_region, free_omp_regions): Declare.
415 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
416 * tree-inline.c (estimate_num_insns_1): Likewise.
417 * tree-pretty-print.c (dump_generic_node): Likewise.
418 * tree-ssa-operands.c (get_expr_operands): Likewise.
419 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
420 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
422 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
423 (OMP_SECTIONS_SECTIONS): Remove.
424 (OMP_SECTION_LAST): New.
425 (OMP_RETURN_NOWAIT): New.
427 2006-04-13 Roger Sayle <roger@eyesopen.com>
429 * fold-const.c (native_encode_vector, native_interpret_real):
430 Correct obvious mistakes in the previous check-in.
432 2006-04-13 Roger Sayle <roger@eyesopen.com>
434 * fold-const.c (native_encode_expr): New function to encode
435 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
436 or VECTOR_CST into a specified buffer.
437 (native_encode_int): New function.
438 (native_encode_real): New function.
439 (native_encode_complex): New function.
440 (native_encode_vector): New function.
441 (native_interpret_expr): Inverse of native_encode_expr to convert
442 a target representation into an INTEGER_CST, REAL_CST etc...
443 (native_interpret_int): New function.
444 (native_interpret_real): New function.
445 (native_interpret_complex): New function.
446 (native_interpret_vector): New function.
447 (fold_view_convert_expr): New function to constant fold/evaluate
448 a VIEW_CONVERT_EXPR of a suitable constant expression.
449 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
450 Change call of build1 to fold_build1 when constructing a
453 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
454 Ulrich Weigand <uweigand@de.ibm.com>
457 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
460 2006-04-13 Alan Modra <amodra@bigpond.net.au>
463 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
464 optimize to lo_sum for DFmode if !TARGET_FPRS.
466 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
468 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
469 delete_alias_info, compute_flow_sensitive_aliasing,
470 group_aliases): Use VEC instead of VARRAY.
471 * tree-ssa-structalias.c (update_alias_info): Likewise.
472 * tree-ssa-structalias.h (alias_info): Change the type of
473 processed_ptrs to VEC(tree,heap) *.
475 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
478 * config/sh/lib1funcs.h: New file, broken out of:
479 * config/sh/lib1funcs.asm.
480 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
482 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
483 * config/sh/lib1funcs-Os-4-200.asm: New file.
484 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
485 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
486 (EXTRA_MULTILIB_PARTS): Include it.
487 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
488 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
489 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
490 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
493 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
495 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
496 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
497 tpa_compact, root_var_init, type_var_init): Use VEC instead of
499 * tree-ssa-live.h: Include vecprim.h.
500 (tree_partition_associator_d): Change the type of
501 first_partition to VEC(int,heap) *.
502 (tpa_first_partition): Use VEC instead of VARRAY.
504 * Makefile.in (GTFILES): Move functions.h after tree.h.
505 * function.c (reset_block_changes, record_block_change,
506 check_block_change, free_block_changes): Use VEC instead of
508 * function.h (function): Change the type of
509 ib_boundaries_block to VEC(tree,gc) *.
510 * tree-inline.c (copy_cfg_body): Initialize
511 ib_boundaries_block to NULL instead of (varray_type) 0.
513 2006-04-12 Roger Sayle <roger@eyesopen.com>
515 * expr.c (emit_group_store): Correct operand order in call to
516 subreg_lowpart_offset. Always create paradoxical SUBREGs with
517 a SUBREG_BYTE of zero.
519 2006-04-12 Richard Guenther <rguenther@suse.de>
521 * profile.c (compute_branch_probabilities): Remove code
522 encapsulated in !ir_type (), which are remanents of the
523 removed RTL profiling code.
524 * rtl-profile.c: Remove.
526 2006-04-12 Alan Modra <amodra@bigpond.net.au>
528 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
529 magic NULL_RTX comment.
530 (function_arg): Store entire fp arg to mem if any part should go
532 (rs6000_arg_partial_bytes): Adjust for above change.
534 2006-04-11 Roger Sayle <roger@eyesopen.com>
536 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
537 if it hasn't been initialized by dwarf2out_init.
539 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
541 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
542 symbolic constants in branch patterns.
544 2006-04-11 Roger Sayle <roger@eyesopen.com>
546 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
548 2006-04-11 Richard Sandiford <richard@codesourcery.com>
550 PR rtl-optimization/27073
551 * gcse.c (try_replace_reg): Revert last change. Continue to search
552 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
555 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
557 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
558 aggregate types other than record and union types.
559 (function_arg): Likewise.
560 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
562 (function_value): In 64-bit mode, return objects that require it
565 2006-04-11 Roger Sayle <roger@eyesopen.com>
567 * dwarf2out.c (premark_used_types): Remove problematic prototype.
569 2006-04-11 Jakub Jelinek <jakub@redhat.com>
571 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
573 2006-04-03 Jeff Law <law@redhat.com>
576 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
577 alias information too.
579 2006-04-10 Mike Frysinger <vapier@gentoo.org>
581 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
583 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
586 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
587 (premark_used_types_helper): New.
588 (premark_used_types): New.
589 (gen_subprogram_die): Call premark_used_types.
590 (prune_unused_types_walk): Do not prune perennial dies.
591 * function.c (used_types_insert): New.
592 * function.h (struct function): Add used_types_hash field.
593 (used_types_insert): Add prototype.
594 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
595 * c-parser.c (c_parser_cast_expression): Save casted types in used
598 2006-04-11 Mark Mitchell <mark@codesourcery.com>
601 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
602 rs6000_explicit_options.float_gprs.
604 2006-04-10 Roger Sayle <roger@eyesopen.com>
606 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
607 from ix86_expand_vector_init_low_nonzero. Take an additional
608 one_var argument indicating which element is non-zero. Support
609 one_var != 0 for V4SFmode and V4SImode by permuting the result.
610 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
611 with one_var instead of ix86_expand_vector_init_low_nonzero.
613 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
615 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
616 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
617 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
618 build/genextract.o): Depend on vecprim.h.
619 * cfglayout.c, df-problems.c, function.c, genextract.c,
620 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
621 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
625 2006-04-10 Geoffrey Keating <geoffk@apple.com>
627 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
628 Declare VECs of this type.
629 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
630 (remove_children): Delete.
631 (add_dwarf_attr): Use VEC routines.
632 (add_AT_flag): Update for changes to add_dwarf_attr.
633 (add_AT_int): Likewise.
634 (add_AT_unsigned): Likewise.
635 (add_AT_long_long): Likewise.
636 (add_AT_vec): Likewise.
637 (add_AT_string): Likewise.
638 (add_AT_die_ref): Likewise.
639 (add_AT_fde_ref): Likewise.
640 (add_AT_loc): Likewise.
641 (add_AT_loc_list): Likewise.
642 (add_AT_addr): Likewise.
643 (add_AT_lbl_id): Likewise.
644 (add_AT_lineptr): Likewise.
645 (add_AT_macptr): Likewise.
646 (add_AT_offset): Likewise.
647 (add_AT_range_list): Likewise.
648 (get_AT): Use VEC_iterate.
649 (remove_AT): Use VEC_ordered_remove.
650 (free_die): Fold remove_children into here; have it use VEC_iterate.
651 (print_die): Use VEC_iterate on attrs.
652 (reverse_die_lists): Don't reverse attr lists.
653 (die_checksum): Use VEC_iterate on attrs.
654 (same_die_p): Likewise.
655 (output_location_lists): Likewise.
656 (build_abbrev_table): Likewise.
657 (size_of_die): Likewise.
658 (unmark_all_dies): Likewise.
659 (output_abbrev_section): Likewise.
660 (output_die): Likewise.
661 (prune_unused_types_walk_attribs): Likewise.
663 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
665 * doc/install.texi (*-*-solaris2*): Point to the configure page.
667 2006-04-10 Jakub Jelinek <jakub@redhat.com>
670 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
672 2006-04-09 Roger Sayle <roger@eyesopen.com>
674 * expr.c (store_constructor): Don't bother clearing target if
675 we're about to assign a vector to it using vec_init_optab.
677 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
679 * tree-ssa-alias.c (lhs_may_store_to): New function.
680 (recalculate_used_alone): Handle LHS of calls.
682 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
686 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
687 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
688 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
689 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
690 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
691 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
692 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
693 stubs. Add ".align 8" directives before all ".dword" directives.
694 (GTHREAD_USE_WEAK): Revise comment.
695 (TARGET_ATTRIBUTE_WEAK): Define.
696 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
697 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
698 * stublib.c: New file.
703 * pa.md (cbranch patterns): Revise arguments used in calls to
704 output_cbranch, output_bb and output_bvd. Add long branch length
706 (fbranch patterns): Handle long branches.
707 (jump): Revise length check. Revise arguments for output_lbranch call.
708 Add long branch length attributes.
709 (decrement_and_branch_until_zero): Add long branch length attributes.
710 (output_movb, output_parallel_addb and output_parallel_movb patterns):
711 Likewise. Revise arguments for output_parallel_addb and
712 output_parallel_movb calls.
713 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
714 output_parallel_movb and output_parallel_addb): Update prototypes.
715 * pa.c (output_cbranch): Revise arguments. Correct handling of
716 nullification in long branches.
717 (output_lbranch): Add new argument to control extraction of delay
719 (output_bb): Handle long branches.
720 (output_bvb, output_dbra, output_movb, output_parallel_movb,
721 output_parallel_addb): Likewise.
723 2006-04-09 Richard Sandiford <richard@codesourcery.com>
725 PR rtl-optimization/27073
726 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
729 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
731 * tree.h (tree_memory_tag): Add old_used_alone.
732 (SMT_OLD_USED_ALONE): New macro.
733 * tree-ssa-alias.c (recalculate_used_alone): Stop
734 marking things for renaming unnecessarily.
736 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
738 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
739 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
740 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
741 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
742 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
743 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
744 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
745 spelling convensions.
746 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
747 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
748 typos. Follow spelling conventions.
750 2006-04-07 DJ Delorie <dj@redhat.com>
752 * config/m32c/m32c.c (m32c_function_arg): Structures are always
754 (m32c_init_cumulative_args): When a function returns a structure,
755 always pass the pointer to that return area on the stack.
756 (m32c_function_arg_advance): Don't increment the parameter number
757 if we're processing the returned structure pointer.
758 (pushm_info): Reverse order of registers.
760 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
762 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
763 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
764 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
765 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
767 * tree-chrec.c (chrec_fold_multiply_poly_poly,
768 chrec_fold_multiply): Same.
769 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
770 force_expr_to_var_cost): Same.
771 * tree-mudflap.c (mf_xform_derefs_1): Same.
772 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
774 2006-04-07 David Edelsohn <edelsohn@gnu.org>
776 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
777 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
780 2006-04-07 Jan Hubicka <jh@suse.cz>
782 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
784 2006-04-07 Richard Guenther <rguenther@suse.de>
786 PR tree-optimization/26135
787 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
788 loads for store copy-prop.
789 (copy_prop_visit_stmt): Likewise.
791 2006-04-05 Robert Millan <robertmh@gnu.org>
793 * gcc/config/i386/linux.h: Add a comment to mark macros that are
794 being overriden in config/k*bsd-gnu.h.
795 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
797 * gcc/config/knetbsd-gnu.h: Ditto.
799 2006-04-06 Jan Hubicka <jh@suse.cz>
803 * coverage.c (coverage_checksum_string): Reorganize loop to not read
806 2006-04-06 Mike Stump <mrs@apple.com>
808 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
809 for HAVE_nonlocal_goto to be consistent.
810 (expand_builtin_nonlocal_goto): Likewise.
811 (expand_builtin_strcmp): Use #ifdef instead of #if
812 for HAVE_cmpstrnsi to be consistent.
814 2006-04-05 DJ Delorie <dj@redhat.com>
816 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
819 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
821 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
822 got-relative addressing for anything but SImode.
824 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
825 even if the calling function doesn't modify them.
827 2006-04-05 Richard Guenther <rguenther@suse.de>
829 PR tree-optimization/26919
830 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
831 to cgraph_estimate_size_after_inlining.
833 2006-04-05 Alan Modra <amodra@bigpond.net.au>
835 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
837 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
839 PR tree-optimization/26996
840 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
841 VECTOR_TYPE variables.
843 2006-04-05 Richard Guenther <rguenther@suse.de>
845 PR tree-optimization/26763
846 * fold-const.c (fold_comparison): Move folding of
847 PTR + CST CMP PTR + CST ...
848 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
850 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
852 * doc/install.texi (Prerequisites): Refine some wording on
853 bootstrapping and ksh.
854 Move the version numbers of DejaGnu here from the testing section
855 and fix casing of names.
856 Fix markup and clarify wording for autogen requirements.
857 Refer to GCJ instead of just java.
858 Refer to SVN instead of CVS.
859 Describe diffutils as useful instead of necessary.
860 (Downloading the source): Refer to SVN instead of CVS.
861 Adjust a link to our web site accordingly.
862 (Configuration): Fix casing of Bison.
863 (Building): Refer to SVN instead of CVS.
864 Fix a sentence on the use of Bison and remove duplicate (and
865 incorrect) version number of Bison requirement.
866 Remove one redundant list of packages needed for building.
867 (Specific): Avoid reference to CVS.
869 2006-04-04 Eric Christopher <echristo@apple.com>
871 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
872 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
873 (rs6000_handle_struct_attribute): New.
874 (rs6000_ms_bitfield_layout_p): Ditto.
876 2006-04-04 Geoffrey Keating <geoffk@apple.com>
878 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
879 NULL for dso parameter to atexit_common.
881 2006-04-04 Eric Christopher <echristo@apple.com>
883 * config/i386/i386.c (machopic_output_stub): Output \t
884 between instructions and operands.
886 2006-04-04 David Edelsohn <edelsohn@gnu.org>
888 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
889 satisfies_constraint_[IL] to explicit tests on value.
891 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
893 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
894 set_nb_iterations_in_loop): Use build_int_cst instead of
896 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
897 build_int_cst instead of convert.
899 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
901 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
902 new value 2 for incoming.
903 * function.c (expand_function_start): Call struct_value_rtx
905 * config/sparc/sparc.md: Comment updated_return.
906 * config/sparc/sparc.opt: Add -mstd-struct-return option.
907 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
908 struct return if sparc_std_struct_return and incoming is 2.
909 (print_operand): Do not adjust return if
910 sparc_std_struct_return.
912 2006-04-04 Roger Sayle <roger@eyesopen.com>
914 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
915 convert in the middle-end.
916 * expr.c (store_expr, store_constructor, get_inner_reference,
917 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
919 * tree.c (build_range_type): Likewise.
921 2006-04-04 Tom Tromey <tromey@redhat.com>
923 * doc/install.texi (Prerequisites): Mention jar.
925 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
927 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
930 2006-04-04 Matthias Klose <doko@debian.org>
932 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
934 2006-04-03 Geoffrey Keating <geoffk@apple.com>
936 * doc/extend.texi (Function Attributes): Rewrite visibility
937 attribute documentation.
938 * doc/invoke.texi (C++ Dialect Options): Rewrite
939 -fvisibility-inlines-hidden documentation to describe something
940 entirely different, although in practise compatible.
941 (Code Gen Options): Warn about system headers in -fvisibiltity=
944 * doc/extend.texi (Other Builtins): Document that
945 __builtin_nan is a compile-time constant only when its argument
948 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
950 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
951 trying to remove TRUNCATE check if all bits outside the new mode
952 are identical to the sign bit.
954 2006-04-03 Jeff Law <law@redhat.com>
956 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
957 and operand scanning in some common cases.
959 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
960 Dale Johannesen <dalej@apple.com>
963 * regclass.c (struct reg_pref): Update documentation.
964 (regclass): Set prefclass to NO_REGS if memory is the best option.
965 (record_reg_classes): Cope with a prefclass set to NO_REGS.
966 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
967 into account. For non-registers, equate an empty preferred
968 reload class to a `!' in the constraint; move the if clause to
969 do so after those that reject the insn.
970 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
972 (find_dummy_reload): Likewise.
973 * doc/tm.texi (Register Classes): Document what it means
974 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
975 * config/i386/i386.c (ix86_preferred_reload_class): Force
976 using SSE registers (and return NO_REGS for floating-point
977 constants) if math is done with SSE.
978 (ix86_preferred_output_reload_class): New.
979 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
980 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
981 * config/i386/i386.md: Remove # register preferences.
983 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
986 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
987 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
989 (instantiate_parameters_1): Convert the operands before calling
990 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
991 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
993 2006-04-02 Roger Sayle <roger@eyesopen.com>
995 * builtins.c (dummy_object): Use build_int_cst instead of convert.
996 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
998 * dojump.c (do_jump): Likewise.
999 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1000 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1001 gimplify_boolean_expr): Likewise.
1002 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1003 * varasm.c (array_size_for_constructor): Likewise.
1004 * tree-object-size.c (compute_object_offset): Likewise.
1006 2006-04-02 Roger Sayle <roger@eyesopen.com>
1009 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1010 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1012 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1014 PR tree-optimization/26939
1015 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1017 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1019 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1020 at_stmt. Convert the type of operands before calling
1021 build_polynomial_chrec.
1022 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1024 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1025 (instantiate_parameters_1): Convert the type of operands before calling
1026 build_polynomial_chrec.
1027 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1028 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1029 reset_evolution_in_loop): Insert asserts to check the types of the
1031 (chrec_type): Moved...
1032 (eq_evolutions_p): Use operand_equal_p.
1033 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1034 the types of the operands.
1035 (chrec_type): ...here.
1036 * tree-data-ref.c (create_data_ref): Convert the operands before
1037 calling chrec_replace_initial_condition.
1038 (same_access_functions, analyze_subscript_affine_affine,
1039 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1040 (compute_subscript_distance, analyze_ziv_subscript,
1041 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1042 analyze_miv_subscript): Convert the operands before calling
1043 chrec_fold_minus or chrec_fold_plus.
1045 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1047 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1048 the dependence_relations vector.
1049 (compute_data_dependences_for_loop): Adjust call to
1050 compute_all_dependences.
1052 2006-04-01 Roger Sayle <roger@eyesopen.com>
1053 Richard Henderson <rth@redhat.com>
1055 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1056 gimple_boolify on the condition before calling gimplify_expr.
1058 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1060 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1061 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1062 the frame size. Update to use the new macros.
1063 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1064 * config/xtensa/ieee754-df.S: Likewise.
1066 2006-03-31 Richard Henderson <rth@redhat.com>
1068 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1069 (make_edges): ... here. Control fallthru creation with a local
1070 variable. Do not play with fake edges.
1071 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1072 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1075 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1077 * dwarf2.h (DW64_CIE_ID): Define.
1078 * dwarf2out.c (DWARF_CIE_ID): Define.
1079 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1080 length header. Use DWARF_CIE_ID.
1081 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1082 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1084 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1086 * config/sh/linux-atomic.asm: New file.
1087 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1089 2006-03-31 DJ Delorie <dj@redhat.com>
1091 * config/m32c/cond.md: Set condition flags properly throughout.
1092 * config/m32c/minmax.md: Likewise.
1093 * config/m32c/prologue.md: Likewise.
1094 * config/m32c/bitops.md: Likewise.
1095 * config/m32c/muldiv.md: Likewise.
1096 * config/m32c/mov.md: Likewise.
1097 * config/m32c/addsub.md: Likewise.
1098 * config/m32c/m32c.md: Likewise.
1099 * config/m32c/jump.md: Likewise.
1100 * config/m32c/shift.md: Likewise.
1102 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1103 conditionally output the pattern for this.
1104 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1105 (m32c_compare_redundant): New.
1106 (m32c_output_compare): New.
1107 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1109 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1110 dest, not src. Allow other 4-byte modes.
1112 2006-03-30 Denis Chertykov <denisc@overta.ru>
1114 * doc/md.texi: Refer to avr/constraints.md instead of
1117 2006-03-30 Roger Sayle <roger@eyesopen.com>
1119 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1120 signed vs. unsigned comparison failures on some hosts.
1122 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1125 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1126 change to FLOAT_REGS.
1128 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1129 (rs6000_override_options): Use it.
1130 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1131 only for -mabi=spe/no-spe and -mabi=altivec.
1133 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1135 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1138 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1140 * Makefile.in: Rename docdir to gcc_docdir.
1142 2006-03-30 Roger Sayle <roger@eyesopen.com>
1145 * expr.c (emit_group_store): Optimize group stores into a pseudo
1146 register by using a paradoxical subreg to initialize the destination
1147 if the first or last member of the group specifies a "low part".
1149 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1152 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1153 * target.h (struct gcc_target.speculate_insn): Change type of the
1154 second parameter to 'int'.
1155 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1156 the second operand of the DEPS_LIST.
1157 (copy_DEPS_LIST_list): Update reference to the second operand of the
1159 * rtl.h (alloc_DEPS_LIST): Update signature.
1160 * sched-int.h (ds_t): Change typedef to 'int'.
1161 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1163 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1165 * haifa-sched.c (try_ready): Change condition to restore
1166 non-speculative pattern of the instruction.
1167 (process_insn_depend_be_in_spec): Code to keep probability of the
1168 speculative dependence non-decreasing.
1170 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1172 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1173 (single_move_for_movmem): ... this. Also change all uses.
1174 (bfin_expand_strmov): Renamed to...
1175 (bfin_expand_movmem): ... this. Also change all uses.
1176 * config/bfin/bfin.md (movstrsi): Renamed to...
1177 (movstrsi): ...this.
1179 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1181 PR tree-optimization/26830
1183 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1184 (copy_prop_visit_stmt): Remove write-only variable ann.
1185 (init_copy_prop): Check variable loop depth here. Do not simulate
1186 memory-tag and virtual operand PHIs except for store copy prop.
1188 2006-03-30 Richard Guenther <rguenther@suse.de>
1190 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1191 variants with double arguments.
1193 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1195 * genpreds.c (write_tm_constrs_h): Delete variable p.
1196 * genconditions.c (write_header): Add tm-constrs.h to included
1198 * genpeep.c (main): Add toplev.h to included headers.
1199 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1200 (build/genpeep.o): Add toplev.h dependency.
1201 * config/rs6000/constraints.md: Add "W" constraint.
1203 2006-03-29 Roger Sayle <roger@eyesopen.com>
1205 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1206 sizes by correctly testing whether the size fits a host integer.
1207 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1208 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1209 SImode range for the default sizetype and bitsizetype.
1211 2006-03-29 Roger Sayle <roger@eyesopen.com>
1213 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1214 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1215 quickly if the argument is already of the correct type.
1216 Call fold_build1 instead of build1. Tidy up blank lines.
1218 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1220 * genemit.c (main): Add tm-constrs.h to included headers.
1221 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1222 * genpeep.c (main): Add tm-constrs.h to included headers.
1223 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1224 (write_tm_constrs_h): this and write complete file.
1225 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1226 (write_insn_preds_c): Add tm-constrs.h to included headers.
1227 (gen_constrs): New variable.
1228 (parse_option): Parse "-c".
1229 (main): Invoke write_tm_constrs_h.
1230 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1231 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1232 (object_out_file): Add tm-constrs.h dependency.
1233 (insn-emit.o): Same.
1234 (insn-output.o): Same.
1235 (insn-peep.o): Same.
1236 (insn-preds.o): Same.
1237 (insn-recog.o): Same.
1238 (tm-constsr.h): New target.
1239 (s-constrs-h): New target.
1241 * config/rs6000/constraints.md: New file.
1242 * config/rs6000/rs6000.c: Include tm-constrs.h.
1243 (num_insn_constant_wide): Convert to satisfies_constraint.
1244 (rs6000_rtx_costs): Convert to satisfies_constraint.
1245 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1246 (CONST_OK_FOR_LETTER_P): Delete.
1247 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1248 (EXTRA_CONSTRAINT): Delete.
1249 (EXTRA_MEMORY_CONSTRAINT): Delete.
1250 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1251 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1252 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1253 satisfies_constraint.
1255 * config/i386/i386.c: Include tm-constrs.h.
1257 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1259 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1260 * tree-data-ref.c (find_data_references_in_loop,
1261 compute_data_dependences_for_loop): Use pointers to VEC.
1262 (analyze_all_data_dependences): Adjust calls.
1263 * tree-data-ref.h (find_data_references_in_loop,
1264 compute_data_dependences_for_loop): Adjust declarations.
1265 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1266 compute_data_dependences_for_loop.
1268 2006-03-29 Paul Brook <paul@codesourcery.com>
1270 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1273 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1275 PR tree-optimization/26859
1276 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1278 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1279 for the step after fold_convert.
1281 2006-03-29 Paul Brook <paul@codesourcery.com>
1283 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1284 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1286 2006-03-29 Paul Brook <paul@codesourcery.com>
1289 * targhooks.c (default_narrow_bitfield): New fuction.
1290 * targhooks.h (default_narrow_bitfield): add prototype.
1291 * target.h (gcc_target): Add narrow_volatile_bitfield.
1292 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1293 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1294 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1295 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1297 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1299 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1301 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1302 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1303 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1304 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1305 (s390_function_arg_float): Allow SDmode and DDmode values to be
1306 passed in floating point registers.
1307 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1308 check with SCALAR_FLOAT_MODE_P.
1309 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1311 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1313 PR tree-optimization/25985
1314 * tree-ssa-loop-niter.c (number_of_iterations_le,
1315 number_of_iterations_ne): Make comments more precise.
1316 (number_of_iterations_cond): Add only_exit argument. Use the
1317 fact that signed variables do not overflow only when only_exit
1319 (loop_only_exit_p): New.
1320 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1321 number_of_iterations_cond.
1323 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1325 PR tree-optimization/26643
1326 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1329 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1331 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1332 (divsi3_i4_int): Likewise.
1334 2006-03-28 Roger Sayle <roger@eyesopen.com>
1336 * expr.c (emit_group_store): Only create a new pseudo reg if the
1337 quantity it needs to hold isn't already a suitable pseudo.
1339 2006-03-28 Jeff Law <law@redhat.com>
1341 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1342 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1344 2006-03-28 Roger Sayle <roger@eyesopen.com>
1346 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1347 the equivalent ~X & Y, and the symmetry related transformations.
1348 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1349 ~X & Y, and symmetry related transforms.
1351 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1353 Revert my 2006-03-27 patches.
1355 2006-03-28 Roger Sayle <roger@eyesopen.com>
1357 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1358 ~(T1)X, when T1 and T2 are integer types of the same precision
1359 and (T2)X isn't an extension.
1361 2006-03-28 Jeff Law <law@redhat.com>
1363 PR tree-optimization/26796
1364 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1365 need EH edge cleanups rather than purging them immediately.
1366 (eliminate_degenerate_phis): Handle queued EH cleanups.
1368 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1370 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1373 2006-03-27 Roger Sayle <roger@eyesopen.com>
1376 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1377 cast BIT_NOT_EXPR operand to the correct type.
1379 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1381 * tree-loop-linear.c: Don't include varray.h.
1382 (gather_interchange_stats, try_interchange_loops,
1383 linear_transform_loops): Use VEC instead of VARRAY.
1384 * lambda-mat.c: Don't include varray.h.
1385 * tree-chrec.c: Same.
1386 * lambda-trans.c: Same.
1387 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1388 VEC instead of VARRAY.
1389 * tree-vectorizer.h: Idem.
1390 * tree-data-ref.c (dump_data_references,
1391 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1392 initialize_data_dependence_relation, finalize_ddr_dependent,
1393 compute_all_dependences, find_data_references_in_loop,
1394 compute_data_dependences_for_loop, analyze_all_data_dependences,
1395 free_dependence_relation, free_dependence_relations,
1396 free_data_refs): Idem.
1397 * tree-data-ref.h (data_reference_p, subscript_p): New.
1398 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1399 VEC instead of VARRAY.
1400 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1401 (find_data_references_in_loop, compute_data_dependences_for_loop,
1402 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1403 dump_data_dependence_relations, free_dependence_relations,
1404 free_data_refs): Adjust declaration.
1405 (lambda_transform_legal_p): Move declaration here...
1406 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1407 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1408 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1409 vect_analyze_data_refs): Use VEC instead of VARRAY.
1410 * lambda.h (lambda_transform_legal_p): ...from here.
1411 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1412 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1413 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1414 tree-chrec.o): Don't depend on VARRAY_H.
1416 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1418 * rtl.def (Copyright): Update date.
1419 (DEPS_LIST): Change type of the second operand to 'int'.
1420 * target.h (Copyright): Update date.
1421 (struct gcc_target.speculate_insn): Change type of the second parameter
1423 * lists.c (Copyright): Update date.
1424 (alloc_DEPS_LIST): Change signature. Update reference to the second
1425 operand of the DEPS_LIST.
1426 (copy_DEPS_LIST_list): Update reference to the second operand of the
1428 * rtl.h (Copyright): Update date.
1429 (alloc_DEPS_LIST): Update signature.
1430 * sched-int.h (Copyright): Update date.
1431 (ds_t): Change typedef to 'int'.
1432 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1434 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1436 * haifa-sched.c (Copyright): Update date.
1437 (try_ready): Change condition to restore non-speculative pattern
1439 (process_insn_depend_be_in_spec): Code to keep probability of the
1440 speculative dependence non-decreasing.
1442 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1444 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1445 shut up the compiler.
1447 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1449 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1450 to use lib prefix for target.
1451 ($(T)libic_invalidate_array_4-200.a): Likewise.
1452 ($(T)libic_invalidate_array_4a.a): Likewise.
1454 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1455 J"orn Rennecke <joern.rennecke@st.com>
1457 * superh.opt: New file.
1458 * sh.c (boardtype, osruntime): Remove.
1459 * superh.h (SUBTARGET_OPTIONS): Remove.
1460 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1462 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1463 arguments with ^ and/or [].
1465 * config.gcc (sh-*-*): Add quoting to account for quirk of
1467 Replace == with = in enable_incomplete_targets test.
1469 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1470 with MASK_LITTLE_ENDIAN.
1472 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1473 * config/sh/sh.opt: Added to some comments.
1474 * config/sh/superh.h: Removed some chaff.
1476 * config/sh/sh.opt: Add m4-[1234]00* options.
1477 * config/sh/sh.c (sh_handle_option): Likewise.
1478 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1479 (ic_invalidate_array_4-100.o): New rule.
1480 ($(T)libic_invalidate_array_4-100.a): Likewise.
1481 (ic_invalidate_array_4-200.o): Likewise.
1482 ($(T)libic_invalidate_array_4-200.a): Likewise.
1483 (ic_invalidate_array_4a.o): Likewise.
1484 ($(T)libic_invalidate_array_4a.a): Likewise.
1485 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1486 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1488 * config/sh/crt1.asm: Merged in profiling code.
1489 * config/sh/superh.h (STARTFILE_SPEC): Override.
1490 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1491 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1492 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1494 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1495 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1496 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1498 * sh.opt (mpretend-cmove): New option.
1499 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1500 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1501 (movsicc): Add TARGET_PRETEND_CMOVE code.
1503 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1505 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1506 s390_class_max_nregs): New function prototypes.
1507 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1508 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1509 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1510 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1512 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1514 * dwarf2out.c (add_location_or_const_value_attribute): Call
1515 tree_add_const_value_attribute if nothing else works.
1516 (reference_to_unused): New.
1517 (rtl_for_decl_init): Use reference_to_unused to decide whether
1518 to output an initializer.
1520 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1523 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1524 peephole removing spe frob_di_df_2.
1526 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1528 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1529 (subscript_dependence_tester_1): Declared.
1530 (print_dir_vectors, print_dist_vectors): New.
1531 (debug_data_dependence_relation): New.
1532 (dump_data_dependence_relation): Print more details.
1533 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1534 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1535 (save_dist_v, save_dir_v, add_outer_distances,
1536 build_classic_dist_vector_1): New.
1537 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1538 Don't test for lambda_vector_lexico_pos.
1539 (same_access_functions, add_multivariate_self_dist,
1540 add_other_self_distances, dir_from_dist): New.
1541 (build_classic_dir_vector): Replace implementation almost identical to
1542 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1544 (subscript_dependence_tester_1): New.
1545 (subscript_dependence_tester): Handle the lexicographically negative
1546 distance vectors by recomputing the dependence relation.
1547 (compute_affine_dependence): Remove parameter loop_nest_depth.
1548 (compute_self_dependence): Don't call compute_subscript_distance.
1549 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1550 Add a parameter for the loop_nest.
1551 (find_loop_nest_1, find_loop_nest): New.
1552 (compute_data_dependences_for_loop): Compute the loop nest, and give
1553 up if the nest is not well formed.
1554 * tree-data-ref.h (loop_p): New.
1555 (struct data_dependence_relation): Replace size_vect field with
1556 loop_nest, a vec of loops.
1557 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1558 (DDR_LOOP_NEST): New.
1559 (print_dir_vectors, print_dist_vectors,
1560 debug_data_dependence_relation): Declared.
1561 (index_in_loop_nest): New.
1562 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1563 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1566 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1568 * simplify-rtx.c (simplify_relational_operation): Call
1569 simplify_relational_operation_1 even if mode is VOIDmode.
1571 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1573 PR tree-optimization/26804
1574 * tree.h (DECL_CALL_CLOBBERED): New macro.
1575 (tree_decl_common): Add call_clobbered_flag.
1576 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1577 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1578 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1579 (mark_non_addressable): Ditto.
1580 * tree-ssa.c (verify_call_clobbered): New function.
1581 (verify_alias_info): Use it.
1582 * tree-pass.h (pass_reset_cc_flags): New prototype.
1583 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1584 (reset_cc_flags): New function.
1585 * passes.c (init_optimization_passes): Call reset_cc_flags after
1586 initializing referenced_vars.
1588 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1589 Roger Sayle <roger@eyesopen.com>
1592 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1593 to 1.0 for non-real operands. Implement A / A optimization for
1596 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1598 * config/i386/i386.c (size_cost): Correct the comment for
1599 cost of storing fp registers.
1600 (i386_cost): Likewise.
1601 (i486_cost): Likewise.
1602 (pentium_cost): Likewise.
1603 (pentiumpro_cost): Likewise.
1604 (k6_cost): Likewise.
1605 (athlon_cost): Likewise.
1606 (k8_cost): Likewise.
1607 (pentium4_cost): Likewise.
1608 (nocona_cost): Likewise.
1609 (generic64_cost): Likewise.
1610 (generic32_cost): Likewise.
1612 2006-03-24 Denis Chertykov <denisc@overta.ru>
1614 * config/avr/avr-protos.h (extra_constraint): Delete.
1615 (extra_constraint_Q): New declaration.
1616 * config/avr/constraints.md: New file.
1617 * config/avr/avr.md: Include it.
1618 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1619 (TMP_REGNO, ZERO_REGNO): Likewise.
1620 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1621 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1622 (extra_constraint): Delete.
1623 (extra_constraint_Q): Test for memory constraint 'Q'.
1624 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1625 (REG_CLASS_FROM_LETTER): Delete.
1626 (CONST_OK_FOR_LETTER_P): Delete.
1627 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1628 (EXTRA_CONSTRAINT): Delete.
1629 (TMP_REGNO): Delete.
1630 (ZERO_REGNO): Delete.
1632 2006-03-24 Jeff Law <law@redhat.com>
1634 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1635 directly. Call mark_new_vars_to_rename slightly earlier.
1637 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1639 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1641 (gen_compile_unit_die): Use new language types for Objective-C and
1643 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1644 DW_LANG_C_plus_plus.
1647 * config/t-darwin (crt3.o): Work around bug 26840.
1648 * config/darwin-crt3.c: Rewrite.
1649 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1651 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1653 * doc/invoke.texi: Document -femit-class-debug-always
1654 * common.opt: Add -femit-class-debug-always.
1656 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1658 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1659 index and base register.
1660 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1661 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1662 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1663 REGNO_OK_FOR_INDEX_P.
1664 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1666 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1667 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1668 REG_OK_FOR_BASE_P): Definitions removed.
1670 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1673 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1674 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1675 set yet or weren't marked as local yet.
1677 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1679 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1682 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1684 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1685 (rs6000_legitimate_small_data_p): Delete.
1686 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1687 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1688 and make static. Add forward declaration. Update uses.
1689 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1690 of offsettable_memref_p.
1691 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1692 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1694 2006-03-24 Jeff Law <law@redhat.com>
1696 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1697 around bug in immediate-use iterator.
1699 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1702 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1703 or __LITTLE_ENDIAN__.
1705 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1707 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1708 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1709 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1710 * config/sh/sh.opt (mdiv=): Amend description.
1711 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1712 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1713 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1714 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1715 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1716 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1717 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1718 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1719 TARGET_DIVIDE_CALL_FP.
1721 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1723 * haifa-sched.c (choose_ready): Fix type of the local variable.
1724 Move local variables. Add comment.
1725 (check_reg_live): Change signature. Make callable from debugger.
1726 * sched-int.h (check_reg_live): Update signature.
1727 * sched-ebb.c (check_reg_live): Update parameters.
1728 * sched-rgn.c (check_reg_live): Ditto.
1729 (region_head_or_leaf_p): Check pointer before dereferencing.
1730 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1731 before reload on optimization levels below 1.
1733 2006-03-23 Richard Henderson <rth@redhat.com>
1735 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1739 * config/alpha/predicates.md (local_symbolic_operand): Reject
1742 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1745 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1746 expressions which have overflowed constants.
1748 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1750 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1752 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1754 * cfgloopmanip.c (create_loop_notes): Removed.
1755 * final.c (final_scan_insn): Do not handle loop notes.
1756 * jump.c (squeeze_notes): Ditto.
1757 * cfglayout.c (skip_insns_after_block,
1758 duplicate_insn_chain): Ditto.
1759 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1761 * cfgloop.h (create_loop_notes): Declaration removed.
1763 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1765 * varasm.c (output_constant_pool): Restore fnname and fndecl
1767 (assemble_start_function): Adjust call accordingly.
1768 (assemble_end_function): Likewise.
1770 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1773 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1776 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1778 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1781 * system.h (ICE_EXIT_CODE): New macro.
1782 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1783 (diagnostic_action_after_output): Likewise.
1784 * gcc.c (fatal_ice): New function.
1785 (execute): Use it instead of fatal.
1786 (fancy_abort): Likewise.
1787 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1789 2006-03-22 Jeff Law <law@redhat.com>
1791 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1792 iv_analyze_result returning false.
1794 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1796 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1798 2006-03-22 Richard Henderson <rth@redhat.com>
1801 * except.c (duplicate_eh_regions_0): New.
1802 (duplicate_eh_region_1): Duplicate the children of the node as
1803 well as the node itself. Link them up properly.
1804 (duplicate_eh_region_2): Merge into ...
1805 (duplicate_eh_regions): ... here. Take copy_region argument, and
1806 copy only a sub-tree if asked. Simplify copying and fixup.
1807 (eh_region_outer_p): New.
1808 * except.h (duplicate_eh_regions): Update decl.
1809 (eh_region_outer_p): Declare.
1810 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1811 (lower_omp_master): Likewise.
1812 (lower_omp_ordered): Likewise.
1813 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1814 (move_stmt_r): Use it to remap labels. Handle recursion vs
1815 remap_decls_p properly.
1816 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1817 (find_outermost_region_in_block): New.
1818 (new_label_mapper): New.
1819 (move_sese_region_to_fn): Copy eh information to the new function
1821 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1823 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1826 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1828 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1829 into shared libraries.
1831 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1833 * doc/md.texi: Refer to i386/constraints.md instead of
1835 * config/i386/constraints.md: New file, extracted from...
1836 * config/i386/predicates.md: ...here.
1837 * config/i386/i386.md: Include constraints.md.
1839 2006-03-21 Jason Merrill <jason@redhat.com>
1841 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1844 * expr.c (init_block_move_fn): Force default visibility.
1845 (init_block_clear_fn): Likewise.
1846 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1847 * targhooks.c (default_external_stack_protect_fail): Likewise.
1849 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1851 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1852 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1853 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1854 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1855 (loadgp): Use mips_current_loadgp_style.
1856 (loadgp_noshared): New pattern.
1857 (sibcall_internal): Use MIPS_CALL.
1858 (sibcall_value_internal): Likewise.
1859 (sibcall_value_multiple_internal): Likewise.
1860 (call_internal): Likewise.
1861 (call_value_internal): Likewise.
1862 (call_value_multiple_internal): Likewise.
1863 (call_split): Use MIPS_CALL and add an 'S' constraint.
1864 (call_value_split): Likewise.
1865 (call_value_multiple_split): Likewise.
1866 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1867 (-mshared): New option.
1868 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1869 (mips_current_loadgp_style): Declare.
1870 * config/mips/mips.c (mips_classify_symbol): Avoid using
1871 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1872 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1873 TARGET_ABSOLUTE_ABICALLS.
1874 (override_options): Adjust comments. Improve the warning that is
1875 issued when -mabicalls and -G are used together.
1876 (mips_file_start): Remove comment.
1877 (mips_current_loadgp_style): New function.
1878 (mips_gnu_local_gp): New variable.
1879 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1881 (mips_output_function_prologue): Use mips_current_laodgp_style.
1882 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1883 the cprestore instruction.
1884 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1885 live for TARGET_ABSOLUTE_ABICALLS.
1886 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1887 (ASM_SPEC): Pass down -mshared and -mno-shared.
1888 (MIPS_CALL): New macro.
1889 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1891 * doc/invoke.texi (-mabicalls): Update documentation.
1892 (-mshared): Document.
1894 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1896 * config/ia64/unwind-hpux.c: New file.
1897 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1899 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1902 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1904 2006-03-21 Jeff Law <law@redhat.com>
1906 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1907 type conversions of a VR_VARYING source to a wider type.
1909 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1911 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1912 tm_file on Solaris 10 and later.
1913 (sparc64-*-solaris2*): Likewise.
1914 (sparc-*-solaris2*): Likewise.
1915 * config/sol26.h: Rename to config/sol2-6.h.
1916 * config/sol2-10.h: New file.
1918 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1921 * tree-ssa-pre.c (create_component_ref_by_pieces):
1924 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1927 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1928 return it immediately.
1930 2006-03-21 Michael Matz <matz@suse.de>
1932 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1934 (remove_arc, add_arc): Update num_out_arcs member.
1935 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1937 (cache_presence): New function.
1938 (compare_states_for_equiv): New function.
1939 (state_is_differed): Don't take number of outargs, adjust callers.
1940 Use new invariant for speeding up.
1941 (init_equiv_class): Create initial classes based on sorted
1943 (partition_equiv_class): Don't track out_arcs_num.
1944 (evaluate_equiv_classes): Call cache_presence on all states and
1947 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1949 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1950 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1951 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1952 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1954 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1955 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1956 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1957 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1958 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1960 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1961 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1962 (REGNO_REG_CLASS): ARGP is in PREGS.
1963 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1965 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1966 to deal with those addresses.
1967 * addresses.h: New file.
1968 * caller-save.c: Include "addresses.h".
1969 (init_caller_save): Use new base_reg_class function.
1970 * rtl-factoring.c: Include "addresses.h".
1971 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1972 * recog.c: Include "addresses.h".
1973 (preprocess_constraints): Use new base_reg_class function.
1974 * regrename.c: Include "addresses.h".
1975 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1976 functions. Keep track of a new var INDEX_CODE to compute valid
1978 (replace_oldest_value_addr): Likewise.
1979 (replace_oldest_value_mem): Use base_reg_class.
1980 * reload.c: Include "addresses.h".
1981 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1982 (find_reloads): Use new base_reg_class function.
1983 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1984 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1985 all callers and prototype changed.
1986 * reload1.c: Include "addresses.h".
1987 (maybe_fix_stack_asms): Use base_reg_class.
1988 * regclass.c: Include "addresses.h".
1989 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1990 (init_reg_autoinc): Use new base_reg_class function.
1991 (record_reg_classes): Likewise.
1992 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1993 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1994 Use new args to compute necessary class.
1996 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1997 regrename.o, rtl-factoring.o): Update dependencies.
1998 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1999 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2000 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2001 REG_OK_FOR_INDEX_P): Delete documentation.
2003 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2005 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2006 from V7 to V9 for Solaris 7 and above.
2008 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2010 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2011 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2012 argument pointers may not alias any other storage.
2013 * common.opt: Define option -fargument-noalias-anything.
2014 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2015 alias semantics is specified by flag_argument_noalias > 2.
2017 2006-03-20 Jeff Law <law@redhat.com>
2019 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2020 (pass_phi_only_cprop): Declare.
2021 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2023 * tree-ssa-dom.c (degenerate_phi_result): New function.
2024 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2025 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2026 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2027 (eliminate_degenerate_phis): Likewise.
2028 (pass_phi_only_cprop): New pass descriptor.
2029 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2030 support code. Callers updated.
2031 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2032 (store_copy_prop): Likewise.
2033 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2035 2006-03-20 Jason Merrill <jason@redhat.com>
2038 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2039 (push_visibility, pop_visibility): Likewise.
2040 * c-pragma.h: Declare them.
2042 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2044 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2046 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2047 parameter and use get_ebb_head_tail.
2048 (sh_md_init_global): Adjust uses of find_regmode_weight.
2050 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2052 * function.h (struct function) <x_tail_recursion_reentry>:
2053 Rename to x_stack_check_probe_note.
2054 (tail_recursion_reentry): Rename to stack_check_probe_note.
2055 * function.c: Replace tail_recursion_reentry with
2056 stack_check_probe_note everywhere.
2057 (expand_function_start): Only emit a note for
2058 stack_check_probe_note with -fstack-protect.
2059 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2061 * emit-rtl.c (remove_unnecessary_notes): Remove.
2062 (pass_remove_unnecessary_notes): Remove.
2063 * rtl.h (remove_unnecessary_notes): Remove prototype.
2064 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2065 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2066 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2068 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2071 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2072 (valid_in_set): Handle ARRAY_REF.
2073 Change "if min_variant or VH" to asserts.
2074 (create_component_ref_by_pieces): Handle ARRAY_REF.
2075 (create_expression_by_pieces): Likewise.
2076 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2078 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2080 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2081 is operand of switch, not str[0].
2083 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2085 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2086 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2088 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2090 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2091 end of insn_extra_address_constraint declaration.
2093 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2095 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2096 (no-sum-in-toc): Same.
2097 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2099 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2100 NO_FP_IN_TOC for -fPIC instead of mask.
2102 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2103 (BOOT_LDFLAGS): Delete.
2105 * config/rs6000/t-aix52: Same.
2107 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2108 (stmsi[345678]_power): New.
2110 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2112 * config/ia64/ia64.opt: Add empty line to end of file.
2114 2006-03-17 Richard Guenther <rguenther@suse.de>
2117 * builtins.c (get_pointer_alignment): For component style references
2118 adjust alignment to the component type alignment. Make sure
2119 to adjust alignment for component access of constants.
2121 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2123 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2126 2006-03-17 Paul Brook <paul@codesourcery.com>
2128 * doc/install.texi: Docuemnt --with-mode.
2129 * config.gcc: Add --with-mode for arm*-*-*.
2130 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2132 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2134 * sh.c (max_labelno_before_reorg): New variable.
2135 (sh_reorg): Initialize it.
2136 (find_barrier): Check max_labelno_before_reorg before using
2137 label_to_alignment. Take length of explicit alignment insns
2138 into account. When seeing a UNSPECV_CONST_END, return it.
2140 * sh.c (fixup_mova): Set mode of affected label to QImode.
2141 (untangle_mova): New function.
2142 (find_barrier): Use it. Check mode of label before decrementing
2144 (sh_reorg): Likewise.
2145 Set mode of all insns back to VOIDmode.
2147 * sh.c (MOVA_LABELREF): New macro.
2148 (mova_p, fixup_mova, sh_reorg): Use it.
2149 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2150 ADDR_DIFF_VEC matches mova.
2152 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2154 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2155 with ATTRIBUTE_UNUSED.
2157 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2159 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2160 pointer, instead of assuming it is possible to derive the
2161 correct args size from a call insn.
2163 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2165 * rtl.h (CONST_INT_P): Define.
2166 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2167 instead of GET_CODE(x) == CONST_INT.
2168 (vax_rtx_costs): Likewise.
2169 (vax_output_int_move): Likewise.
2170 (vax_output_int_add): Likewise.
2171 (legitimate_constant_address_p): Likewise.
2172 (index_term_p): Likewise.
2173 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2174 * config/vax/vax.md (and<mode>3): Likewise.
2175 (ashrsi3): Likewise.
2177 (movstricthi): Likewise.
2178 (movstrictqi): Likewise.
2179 (rotrsi3): Likewise.
2180 (five unnamed insns): Likewise.
2182 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2184 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2185 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2186 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2187 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2188 Pass to ASM_OUTPUT_DWARF_OFFSET.
2189 * dwarf2out.c (debug_frame_section): New.
2190 (output_call_frame_info): Use debug_frame_section. Pass it to
2191 dw2_asm_output_offset.
2192 (output_die): Pass appropriate section to dw2_asm_output_offset.
2193 (output_compilation_unit_header): Likewise.
2194 (output_pubnames): Likewise.
2195 (output_aranges): Likewise.
2196 (enum dw_val_class): Break dw_val_class_lbl_offset into
2197 dw_val_class_lineptr and dw_val_class_macptr.
2198 (add_AT_lbl_offset): Delete.
2199 (add_AT_lineptr): New.
2200 (add_AT_macptr): New.
2201 (AT_lbl): Expect a lineptr or macptr.
2202 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2203 (attr_checksum): Likewise.
2204 (same_dw_val_p): Likewise.
2205 (size_of_die): Likewise.
2206 (value_format): Likewise.
2207 (output_die): Likewise.
2208 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2210 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2211 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2212 * config/darwin-protos.h (darwin_file_start): New.
2213 (darwin_asm_output_dwarf_offset): New.
2214 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2215 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2217 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2218 if not EH section; simplify.
2219 (darwin_file_start): New.
2220 (darwin_asm_output_dwarf_offset): New.
2221 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2223 (DEBUG_INFO_SECTION): Likewise.
2224 (DEBUG_ABBREV_SECTION): Likewise.
2225 (DEBUG_ARANGES_SECTION): Likewise.
2226 (DEBUG_MACINFO_SECTION): Likewise.
2227 (DEBUG_LINE_SECTION): Likewise.
2228 (DEBUG_LOC_SECTION): Likewise.
2229 (DEBUG_PUBNAMES_SECTION): Likewise.
2230 (DEBUG_STR_SECTION): Likewise.
2231 (DEBUG_RANGES_SECTION): Likewise.
2232 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2233 (ASM_OUTPUT_DWARF_OFFSET): New.
2235 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2237 * config.gcc (tm_defines): Always add to previous value rather
2240 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2242 * config/mips/predicates.md (splittable_const_int_operand): New,
2243 split from move_operand.
2244 (splittable_symbolic_operand): New.
2245 (move_operand): Add commentary. Use splittable_const_int_operand.
2246 Inline mips_atomic_symbolic_constant_p.
2247 * config/mips/mips.md: Add combine splitters for handling moves
2248 of splittable_const_int_operands and splittable_symbolic_operands.
2249 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2250 (mips_split_symbol): Declare.
2251 (mips_move_integer): Declare.
2252 * config/mips/mips.c (mips_split_p): Make global.
2253 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2254 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2255 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2256 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2257 (mips_offset_within_object_p): Handle block symbols.
2258 (mips_atomic_symbolic_constant_p): Delete.
2259 (mips_cannot_force_const_mem): Return false for constants that
2260 mips_legitimize_move can handle.
2261 (mips_use_blocks_for_constant_p): New function.
2262 (mips_split_symbol): Make global.
2263 (mips_move_integer): Likewise. Add a temporary register argument.
2264 (mips_legitimize_const_move): Use splittable_const_int_operand and
2265 splittable_symbolic_operand.
2266 (mips_use_anchors_for_symbol_p): New function.
2267 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2268 (mips_split_p): Declare.
2270 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2272 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2273 (mips*-*-linux*): Likewise.
2275 2006-03-16 Roger Sayle <roger@eyesopen.com>
2276 Daniel Speyer <dspeyer@wam.umd.edu>
2279 * tree-dump.c (dump_real): New function.
2280 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2281 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2282 (tree-dump.o): Add $(REAL_H) to the dependencies.
2284 2006-03-16 Roger Sayle <roger@eyesopen.com>
2287 * real.c (real_from_string): If the mantissa is zero, don't bother
2288 parsing the exponent as the result should always be zero.
2290 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2292 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2294 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2296 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2297 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2298 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2299 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2300 ia64_sched_finish_global): New static functions to implement
2301 hooks from gcc_target.sched.
2302 (spec_check_no, max_uid, pending_data_specs): New static variables.
2303 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2304 ia64_spec_check_src_p): New static functions.
2305 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2306 (TARGET_SCHED_ADJUST_COST): Removed.
2307 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2308 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2309 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2310 TARGET_SCHED_GEN_CHECK,
2311 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2312 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2313 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2314 Fixed to handle speculation checks.
2315 (rtx_needs_barrier): Fixed to handle speculative loads and
2317 (ia64_variable_issue): Added code to count speculative loads and their
2319 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2321 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2323 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2325 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2326 (ia64_reorg): Reset stops_p to NULL after it is freed.
2327 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2328 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2329 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2331 (data_speculative, control_speculative, check_load): New attributes.
2332 (mov<mode>_advanced, mov<mode>_speculative,
2333 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2334 zero_extend<mode>di2_speculative,
2335 zero_extend<mode>di2_speculative_advanced): New patterns for
2336 data and control speculative loads.
2337 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2339 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2340 New pattern for data and control speculation checks.
2341 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2342 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2343 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2344 Auxiliary definitions for the patterns.
2345 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2346 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2348 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2350 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2351 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2352 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2353 New resource constraints.
2354 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2356 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2357 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2358 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2359 msched-in-control-spec, msched-ldc, msched-control-ldc,
2360 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2361 msched-prefer-non-control-spec-insns,
2362 msched-count-spec-in-critical-path): New flags to tune speculative
2364 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2365 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2366 msched-in-control-spec, msched-ldc, msched-control-ldc,
2367 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2368 msched-prefer-non-control-spec-insns,
2369 msched-count-spec-in-critical-path): Document new flags.
2371 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2373 * target.h (struct spec_info_def): New opaque declaration.
2374 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2375 speculate_insn, needs_block_p, gen_check,
2376 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2377 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2378 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2379 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2380 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2381 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2383 (TARGET_SCHED): Use new macros.
2384 * rtl.h (copy_DEPS_LIST_list): New prototype.
2385 * sched-int.h (struct sched_info): Change signature of new_ready field,
2386 adjust all initializations. New fields: add_remove_insn,
2387 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2388 region_head_or_leaf_p.
2389 (struct spec_info_def): New structure declaration.
2390 (spec_info_t): New typedef.
2391 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2392 recovery_block, orig_pat.
2393 (glat_start, glat_end): New variables declaraions.
2394 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2396 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2397 DETACH_LIFE_INFO, USE_GLAT.
2398 (enum SPEC_SCHED_FLAGS): New enumeration.
2399 (NOTE_NOTE_BB_P): New macro.
2400 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2401 attach_life_info, debug_spec_status, check_reg_live): New functions.
2402 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2403 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2405 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2406 * ddg.c (get_block_head_tail): Adjust all uses.
2407 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2408 (sms_sched_info): Initialize new fields.
2409 (contributes_to_priority): Removed.
2410 * haifa-sched.c (params.h): New include.
2411 (get_block_head_tail): Adjust all uses.
2412 (ISSUE_POINTS): New macro.
2413 (glat_start, glat_end): New global variables.
2414 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2415 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2416 old_last_basic_block, before_recovery, current_sched_info_var,
2417 rgn_n_insns, luid): New static variables.
2418 (insn_cost1): New function. Move logic from insn_cost to here.
2419 (find_insn_reg_weight1): New function. Move logic from
2420 find_insn_reg_weight to here.
2421 (reemit_notes, move_insn, max_issue): Change signature.
2422 (move_insn1): Removed.
2423 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2424 extend_bb): New static functions to support extension of scheduler's
2426 (generate_recovery_code, process_insn_depend_be_in_spec,
2427 begin_speculative_block, add_to_speculative_block,
2428 init_before_recovery, create_recovery_block, create_check_block_twin,
2429 fix_recovery_deps): New static functions to support
2430 generation of recovery code.
2431 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2432 restore_bb_notes, move_block_after_check, move_succs): New static
2433 functions to support ebb scheduling.
2434 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2435 functions to support handling of register live information.
2436 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2437 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2438 add_jump_dependencies): New static functions.
2439 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2440 consistancy checking.
2441 (debug_spec_status): New function to call from debugger.
2442 (priority): Added code to handle speculation checks.
2443 (rank_for_schedule): Added code to distinguish speculative instructions.
2444 (schedule_insn): Added code to handle speculation checks.
2445 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2446 Fixed to handle ebbs.
2447 (move_insn): Added code to handle ebb scheduling.
2448 (max_issue): Added code to use ISSUE_POINTS of instructions.
2449 (choose_ready): Added code to choose between speculative and
2450 non-speculative instructions.
2451 (schedule_block): Added code to handle ebb scheduling and scheduling of
2452 speculative instructions.
2453 (sched_init): Initialize new variables.
2454 (sched_finish): Free new variables. Print statistics.
2455 (try_ready): Added code to handle speculative instructions.
2456 * lists.c (copy_DEPS_LIST_list): New function.
2457 * sched-deps.c (extend_dependency_caches): New function. Move logic
2458 from create_dependency_caches to here.
2459 (get_dep_weak, ds_merge): Make global.
2460 * genattr.c (main): Code to output prototype for
2461 dfa_clear_single_insn_cache.
2462 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2463 (output_dfa_clean_insn_cache_func): Code to output
2464 dfa_clear_single_insn_cache function.
2465 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2467 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2469 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2470 New static variables.
2471 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2472 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2474 (ebb_sched_info): Initialize new fields.
2475 (get_block_head_tail): Adjust all uses.
2476 (compute_jump_reg_dependencies): Fixed to use glat_start.
2477 (schedule_ebb): Code to remove unreachable last block.
2478 (schedule_ebbs): Added code to update register live information.
2479 * sched-rgn.c (region_sched_info): Initialize new fields.
2480 (get_block_head_tail): Adjust all uses.
2481 (last_was_jump): Removed. Adjust users.
2482 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2483 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2484 Implement new hooks.
2485 (check_dead_notes1): New static function.
2486 (struct region): New fields: dont_calc_deps, has_real_ebb.
2487 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2488 (BB_TO_BLOCK): Fixed to handle EBBs.
2489 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2490 (ebb_head): New static variable.
2491 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2492 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2494 (compute_dom_prob_ps): New assertion.
2495 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2496 global_live_at_start.
2497 (init_ready_list): New assertions.
2498 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2499 (new_ready): Add support for BEGIN_CONTROL speculation.
2500 (schedule_insns): Fixed code that updates register live information
2502 (schedule_region): Fixed to handle EBBs.
2503 (init_regions): Use extend_regions and check_dead_notes1.
2504 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2505 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2506 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2507 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2508 TARGET_SCHED_GEN_CHECK,
2509 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2510 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2511 * doc/invoke.texi (max-sched-insn-conflict-delay,
2512 sched-spec-prob-cutoff): Document.
2514 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2516 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2517 inter_tick, queue_index.
2518 (struct sched_info): Change signature of init_ready_list field.
2519 Adjust all initializations.
2520 (RESOLVED_DEPS): New access macro.
2521 (ready_add): Remove prototype.
2522 (try_ready): Add prototype.
2523 * sched-rgn.c (init_ready_list): Use try_ready.
2524 (schedule_region): Initialize
2525 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2526 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2527 (init_ready_list): Use try_ready.
2528 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2529 * lists.c (remove_list_elem): Remove `static'.
2530 (remove_free_INSN_LIST_elem): New function.
2531 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2532 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2533 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2535 (readyp): New variable.
2536 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2537 change_queue_index, resolve_dep): New static functions.
2538 (try_ready): New function. Adjust callers in sched-rgn.c and
2539 sched-ebb.c to use it instead of ready_add.
2540 (clock_var): Move at the begining of file.
2541 (rank_for_schedule): Fix typo.
2542 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2543 (ready_lastpos): Enforce assertion.
2544 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2546 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2547 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2548 (queue_to_ready): Use free_INSN_LIST_list.
2549 (early_queue_to_ready): Fix typo.
2550 (schedule_block): Init readyp. Move init_ready_list call after the
2551 initialization of clock_var. Fix error in rejecting insn by
2552 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2553 that previously corrected INSN_TICKs. Add code for handling
2555 (set_priorities): Fix typo.
2556 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2557 Clarify comment and code that keeps current_sched_info->next_tail
2560 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2562 * sched-rgn.c (extend_rgns): New static function.
2563 (find_rgns): Use it.
2564 (gather_region_statistics, print_region_statistics): New static
2566 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2567 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2569 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2570 Andrey Belevantsev <abel@ispras.ru>
2572 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2573 * lists.c (unused_deps_list): New variable.
2574 (free_list): Add assertions to verify the proper distinguishing
2575 between INSN_LISTs and DEPS_LISTs.
2576 (find_list_elem, remove_list_elem, remove_list_node): New static
2578 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2579 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2580 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2581 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2583 (free_INSN_LIST_node): Likewise.
2584 * modulo-sched.c (current_sched_info): Initialize flags field.
2585 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2586 * rtl.def (DEPS_LIST): Define.
2587 * rtl.h: Declare new functions from lists.c.
2588 * sched-deps.c (spec_dependency_cache): New static variable.
2589 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2590 (add_dependence): Change return type to void. Move the logic to ...
2591 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2592 (delete_all_dependences): Add comment about forward_dependency_cache.
2593 Handle spec_dependency_cache. Handle DEPS_LISTs.
2594 (fixup_sched_groups): Clarify the change of priority of output
2595 and anti dependencies.
2596 (sched_analyze_2): Adjust add_dependence calls to create data
2597 speculative dependence.
2598 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2599 Adjust all callers. Handle DEPS_LISTS.
2600 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2601 presence of speculation.
2602 (init_dependency_caches, free_dependency_caches):
2603 Handle spec_dependency_cache.
2604 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2605 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2606 New static functions.
2607 (add_or_update_back_dep, add_or_update_back_forw_dep,
2608 add_back_forw_dep, delete_back_forw_dep): New functions.
2609 * sched-int.h (ds_t, dw_t): New typedefs.
2610 (struct sched_info): Add new field flags.
2611 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2612 Prototype new sched-deps.c functions.
2613 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2614 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2615 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2616 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2617 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2618 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2620 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2622 * sched-rgn.c (current_sched_info): Initialize flags field.
2623 (schedule_insns): Initialize current_sched_info before the sched_init
2625 * sched-ebb.c (current_sched_info): Initialize flags field.
2626 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2627 Call add_or_update_back_dep instead of add_dependence.
2628 Create control speculative dependencies.
2629 (schedule_insns): Initialize current_sched_info before the sched_init
2632 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2634 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2636 (sh_fallback_frame_state): Likewise.
2638 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2640 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2641 Do switch on default_use_cxa_atexit.
2642 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2643 * config/darwin-crt3.o: New.
2644 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2645 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2646 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2648 * config/rs6000/t-darwin: Move crt2.o building to here.
2649 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2650 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2653 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2655 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2656 from '! xxx' to '!xxx' for coding-style conformance.
2657 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2658 (EXTRA_CONSTRAINT): Likewise.
2659 * config/vax/vax.md (four unnamed insns): Likewise.
2661 2006-03-15 Paul Brook <paul@codesourcery.com>
2663 * config/arm/arm.c (minipool_pad): New.
2664 (add_minipool_forward_ref): Include pool alignment padding in address
2666 (push_minipool_fix): Set minipool_pad.
2667 (minipool_pad): Ditto.
2669 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2671 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2672 instead of GET_CODE() == MEM and REG_P() instead of
2674 (print_operand_address): Likewise.
2675 (vax_address_cost): Likewise.
2676 (vax_rtx_costs): Likewise.
2677 (vax_notice_update_cc): Likewise.
2678 (vax_output_int_add): Likewise.
2679 (INDEX_REGISTER_P): Likewise.
2680 (BASE_REGISTER_P): Likewise.
2681 (nonindexed_address_p): Likewise.
2682 (vax_mode_dependent_address_p): Likewise.
2683 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2684 (PRINT_OPERAND): Likewise.
2685 * config/vax/vax.md (ashlsi3): Likewise.
2686 (ashlsi3): Likewise.
2687 (some more unnamed insns): Likewise.
2689 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2691 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2692 iterator-style macro.
2693 (mark_control_dependent_edges_necessary): Update the use of
2694 EXECUTE_IF_CONTROL_DEPENDENT.
2696 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2698 * config/sh/predicates.md (cache_address_operand): Special.
2699 (ua_address_operand): Likewise.
2701 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2703 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2705 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2707 2006-03-15 Andreas Schwab <schwab@suse.de>
2709 * gensupport.c (identify_predicable_attribute): Don't free p_false
2710 when it is still in use.
2712 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2714 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2715 the default setting here.
2717 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2719 * tree-pass.h (pass_cfg): Remove.
2720 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2721 * passes.c (pass_cfg): Don't run it.
2723 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2725 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2726 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2728 (stack_regs_mentioned): Update the uses of
2729 stack_regs_mentioned_data. Don't access the array beyond its
2731 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2732 Don't include gt-reg-stack.h.
2734 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2735 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2737 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2740 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2743 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2745 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2747 2006-03-14 Richard Guenther <rguenther@suse.de>
2749 PR tree-optimization/26672
2750 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2753 2006-03-14 Richard Guenther <rguenther@suse.de>
2755 PR tree-optimization/26667
2756 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2757 node for the callees. Always allow inlining if it will shrink
2760 2006-03-14 Richard Guenther <rguenther@suse.de>
2763 * builtins.c (get_pointer_alignment): Prefer alignment
2764 information from decls over that from types.
2766 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2769 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2771 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2773 * config/rs6000/rs6000.opt (mdlmzb): New option.
2774 (msched-prolog, msched-epilog): Use Var not Mask.
2775 * doc/invoke.texi (-mdlmzb): Document.
2776 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2778 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2779 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2781 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2783 PR rtl-optimization/25739
2784 * bt-load.c (augment_live_range): Free tos pointer.
2786 * gensupport.c (identify_predicable_attribute): Free
2788 * gcov.c (create_file_names): Free name pointer.
2790 2006-03-13 Roger Sayle <roger@eyesopen.com>
2793 * stmt.c (emit_case_nodes): Handle the case where the index is a
2794 CONST_INT, where the comparison mode is specified by the index type.
2796 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2798 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2801 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2803 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2804 (*branch_fp_inverted): Likewise.
2806 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2809 * omp-low.c (expand_omp_for_generic): Mark istart0
2810 and iend0 as addressable.
2812 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2814 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2816 2006-03-13 Jeff Law <law@redhat.com>
2818 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2819 virtual operands are interesting.
2820 (vrp_visit_stmt): Corresponding changes.
2822 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2824 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2826 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2827 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2828 * config/bfin/crti.S: Use it instead of __PIC__.
2829 * config/bfin/crtn.S: Likewise.
2831 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2832 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2834 Lose 'G' modifier for call operand.
2835 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2836 recognize 'G' modifier.
2838 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2841 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2842 * stmt.c (expand_case): Likewise.
2844 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2846 PR rtl-optimization/26254
2847 * loop-invariant.c (seq_insns_valid_p): New function.
2848 (move_invariant_reg): Only emit new code if it is valid.
2850 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2852 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2854 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2855 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2856 (commit_one_edge_insertion): Do not look for loop notes.
2858 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2860 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2861 flag_test_coverage out of loop.
2863 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2865 * final.c (shorten_branches): Remove outdated comment, and turn
2866 the if branch that guards it to continue.
2868 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2870 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2871 * cfgloop.h (struct loop): Remove unused fields.
2873 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2875 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2876 (-dL, -fdump-rtl-loop2): Update the dump file names
2878 * doc/invoke.texi: Update dump file names.
2880 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2882 * predict.c (estimate_probability): Remove.
2883 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2884 * basic-block.h (estimate_probability): Remove prototype.
2885 * passes.c (finish_optimization_passes): Dump branch prediction or
2886 profiling heuristics to the .profile tree dump.
2887 (init_optimization_passes): Unqueue pass_branch_prob.
2889 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2891 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2893 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2894 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2896 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2898 * function.h (frame_offset_overflow): Declare.
2899 * function.c (frame_offset_overflow): New function.
2900 (assign_stack_local_1): Call it to detect that the offset overflows.
2901 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2903 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2905 * config/sh/sh.c: Include alloc-pool.h.
2906 (label_ref_list_pool): New alloc pool.
2907 (label_ref_list_t): New type for lists of labels.
2908 (struct pool_node): Make wend a label_ref_list_t.
2909 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2911 (dump_table): Likewise.
2912 (sh_reorg): Set up the alloc pool before using add_constant and
2913 dump_table, and destroy it when finishing.
2915 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2917 * config/mips/mips.c: Remove redundant comment.
2919 2006-03-10 Jason Merrill <jason@redhat.com>
2922 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2923 the target was declared 'register'.
2925 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2927 * genpreds.c (write_insn_constraint_len): Change definition of
2928 insn_constraint_len to return size_t to match the declaration.
2930 2006-03-10 DJ Delorie <dj@redhat.com>
2932 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2934 (m32c_expand_insv): Fix test for an AND mask.
2936 2006-03-10 Richard Guenther <rguenther@suse.de>
2939 * builtins.c (get_pointer_alignment): Handle component
2940 references for field alignment.
2942 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2944 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2945 when building with libgloss.
2946 (sh*elf): Implement --without-fp option.
2947 (sh64-superh-linux*): Don't multilib.
2949 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2951 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2953 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2955 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2956 Set it when one of the replacement functions returned true.
2957 Return TODO_cleanup_cfg if cfgchanged is true.
2958 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2960 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2962 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2963 instead of gen_lowpart.
2965 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2967 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2969 (mips_output_order_conditional_branch): Declare.
2970 * config/mips/mips.h (MIPS_BRANCH): New macro.
2971 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2972 for the comparison. Use gen_condjump.
2973 (mips_output_conditional_branch): Rework interface to take the
2974 asm templates for a direct branch and the inverse of a direct branch.
2975 (mips_output_order_conditional_branch): New function.
2976 (mips_builtin_branch_and_move): New function.
2977 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2978 branch condition. Use gen_single_cc as the condition for
2979 __builtin_mips_upper_* or __builtin_mips_lower_*.
2980 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2981 Use VOIDmode for the branch condition.
2982 * config/mips/predicates.md (order_operator): New predicate.
2983 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2984 (branch_fp): Rename to...
2985 (*branch_fp): ...this. Remove mode from comparison operator.
2986 Use new mips_output_conditional_branch interface.
2987 (branch_fp_inverted): Rename to...
2988 (*branch_fp_inverted): ...this and update as for *branch_fp.
2989 (*branch_zero<mode>): Rename to...
2990 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2991 Use mips_output_order_conditional_branch. Only accept ordered
2993 (*branch_zero<mode>_inverted): Rename to...
2994 (*branch_order<mode>_inverted): ...this and update as for
2995 *branch_order<mode>.
2996 (*branch_equality<mode>): Accept zero as the second operand to
2997 the equality operator. Use the new mips_output_conditional_branch
2999 (*branch_equality<mode>_inverted): Likewise.
3000 (condjump): New expander.
3001 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3003 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3004 (bc1any2t, bc1any2f): Likewise.
3005 (single_cc): New expander.
3006 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3008 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3010 * doc/md.texi: Update documentation of MIPS constraints.
3011 * config/mips/constraints.md: New file.
3012 * config/mips/mips.md: Include it.
3013 * config/mips/mips.c (mips_char_to_class): Delete.
3014 (override_options): Don't initialize mips_char_to_class.
3015 * config/mips/mips.h (mips_char_to_class): Delete.
3016 (REG_CLASS_FROM_LETTER): Delete.
3017 (CONST_OK_FOR_LETTER_P): Delete.
3018 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3019 (EXTRA_CONSTRAINT_Y): Delete.
3020 (EXTRA_CONSTRAINT_STR): Delete.
3021 (CONSTRAINT_LEN): Delete.
3022 (EXTRA_MEMORY_CONSTRAINT): Delete.
3024 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3026 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3027 original fn's eh regions.
3029 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3031 * fold-const.c (build_range_check): Make sure to use a valid type to
3032 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3035 (range_predecessor): New static function.
3036 (range_successor): Likewise.
3037 (merge_ranges): Use them to compute predecessors and successors of
3040 2006-03-09 Roger Sayle <roger@eyesopen.com>
3043 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3044 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3046 2006-03-08 DJ Delorie <dj@redhat.com>
3048 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3049 (addpsi3): Expand to include memory operands. Remove
3050 reload-specific splits.
3051 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3052 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3053 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3054 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3055 (shift1_qi, shift1_hi, insv): New.
3056 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3057 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3058 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3060 * config/m32c/m32c-protos.h: Update as needed.
3061 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3062 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3063 Fail for unrecognized R* constraints.
3064 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3065 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3066 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3068 (m32c_init_libfuncs): New.
3069 (m32c_legitimate_address_p): Add debug wrapper.
3070 (m32c_rtx_costs): New.
3071 (m32c_address_cost): New.
3072 (conversions): Add 'B' prefix.
3073 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3074 operands, or word regnames for QI operands. 'B' prints bit
3076 (m32c_expand_setmemhi): New.
3077 (m32c_expand_movmemhi): New.
3078 (m32c_expand_movstr): New.
3079 (m32c_expand_cmpstr): New.
3080 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3081 (m32c_expand_neg_mulpsi3): Handle non-ints.
3082 (m32c_cmp_flg_0): New.
3083 (m32c_expand_movcc): New.
3084 (m32c_expand_insv): New.
3085 (m32c_scc_pattern): New.
3086 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3087 a0/a1 out of SIregs.
3088 (STORE_FLAG_VALUE): New.
3089 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3092 * config/m32c/mov.md: Make constraints more liberal.
3093 (zero_extendqihi2): Optimize r0/r1 case.
3094 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3095 * config/m32c/predicates.md (m32c_any_operand): New.
3096 (m32c_nonimmediate_operand): New.
3097 (m32c_hl_operand): New.
3098 (m32c_r3_operand): New.
3101 (memsym_operand): New.
3102 (memimmed_operand): New.
3103 (a_qi_operand): New.
3104 (m32c_eqne_operator): New.
3105 (m32c_1bit8_operand): New.
3106 (m32c_1bit16_operand): New.
3107 (m32c_1mask8_operand): New.
3108 (m32c_1mask16_operand): New.
3109 * config/m32c/blkmov.md: New file.
3110 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3112 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3114 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3115 unsigned to fix signed/unsigned comparison issue in
3116 DWARF2_FRAME_REG_OUT.
3117 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3118 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3120 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3121 of ptr into the ENABLE_CHECKING section.
3123 2006-03-08 Jeff Law <law@redhat.com>
3125 * tree-vrp.c (infer_value_range): Only count pointer uses
3126 and dereferences if -fdelete-null-pointer-checks is enabled.
3128 * tree-vrp.c (find_assert_locations): Infer value ranges for
3129 single use pointers, but do not create ASSERT_EXPRs for them.
3130 When a non-null range is inferred for a pointer, backwards
3131 propagate that range to other equivalent pointers through the
3134 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3137 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3138 language hook targets.
3139 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3140 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3141 if language hook targets were missing.
3143 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3145 * tree-ssa-opfinalize.h: Removed.
3146 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3148 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3149 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3150 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3151 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3152 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3153 finalize_ssa_v_must_def_ops): New.
3155 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3157 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3160 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3162 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3164 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3165 addresses with offsets; reorganize.
3167 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3168 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3169 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3171 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3174 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3176 2006-03-08 Ben Elliston <bje@au.ibm.com>
3178 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3180 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3183 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3186 2006-03-07 Richard Guenther <rguenther@suse.de>
3188 PR tree-optimization/26587
3189 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3191 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3193 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3195 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3197 * hooks.c (hook_bool_mode_rtx_true): New function.
3198 * hooks.h (hook_bool_mode_rtx_true): Declare.
3199 * toplev.c (compile_file): Call output_shared_constant_pool.
3200 * varasm.c (shared_constant_pool): New variable.
3201 (assemble_start_function, assemble_end_function): Remove arguments
3202 from call to output_constant_pool.
3203 (create_constant_pool): New function, split out from...
3204 (init_varasm_status): ...here.
3205 (force_const_mem): Choose between the shared and per-function constant
3206 pools. Set current_function_uses_const_pool when reusing old entries
3207 as well as when creating new ones.
3208 (mark_constant): Ignore data argument.
3209 (mark_constants): Remove pool argument.
3210 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3211 to decide whether the function uses a constant pool.
3212 (output_constant_pool_contents): New function, split out from...
3213 (output_constant_pool): ...here.
3214 (output_shared_constant_pool): New function.
3215 (init_varasm_once): Initialize shared_constant_pool.
3216 * output.h (output_constant_pool): Delete.
3217 (output_shared_constant_pool): Declare.
3218 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3219 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3221 2006-03-06 Nick Clifton <nickc@redhat.com>
3223 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3224 flag_strength_reduce.
3226 2006-03-06 Ben Elliston <bje@au.ibm.com>
3228 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3229 x86_64-*-linux* configurations.
3231 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3232 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3234 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3236 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3238 * basic-block.h: Remove the extern for
3239 rediscover_loops_after_threading.
3241 * cfgloop.c (cancel_loop): Make it static.
3242 * cfgloop.h: Remove the prototype for cancel_loop.
3244 * flow.c (recompute_reg_usage): Make it static.
3245 * rtl.h: Remove the prototype for recompute_reg_usage.
3247 * function.c (use_return_register): Make it static.
3248 * function.h: Remove the prototype.
3250 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3252 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3254 * recog.h: Remove the prototype for
3255 validate_change_maybe_volatile.
3257 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3259 * rtlanal.c (replace_reg): Remove.
3260 * rtl.h: Remove the prototype for replace_reg.
3262 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3264 * regclass.c (reg_scan_update): Remove.
3265 (reg_scan_mark_refs): Remove the last argument.
3266 * rtl.h: Remove the prototype for reg_scan_update.
3268 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3270 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3271 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3272 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3273 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3274 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3275 loop-invariant.c, omp-low.c, opts.c, passes.c,
3276 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3277 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3278 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3279 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3280 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3281 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3283 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3285 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3286 * dwarf2out.h: Remove the prototype for
3287 dwarf2out_add_library_unit_info.
3289 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3291 * tree.c (add_var_to_bind_expr): Remove.
3292 * tree.h: Remove the prototype for add_var_to_bind_expr.
3294 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3296 * regclass.c (n_non_fixed_regs): Remove.
3297 (init_reg_sets_1, globalize_reg): Remove all uses of
3299 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3301 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3303 * rtlanal.c (insns_safe_to_move_p): Remove.
3304 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3306 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3308 * expmed.c (expand_mult_add): Remove.
3309 * expr.h: Remove the prototype for expand_mult_add.
3311 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3313 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3314 and REG_SAVED_VAL_EXP constants.
3315 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3316 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3317 Handle regs stored by value.
3318 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3319 (execute_cfa_program): Handle DW_CFA_val_offset,
3320 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3321 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3322 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3323 (uw_install_context_1): Handle target regs stored by value.
3325 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3327 * tree-sra.c (tree_sra): Return todoflags;
3328 (generate_one_element): Set TODO_update_smt_usage if needed.
3329 (pass_sra): Remove TODO_update_smt_usage.
3330 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3332 (tree_ssa_forward_propagate_single_use_vars): Return
3333 TODO_update_smt_usage if we need to update SMT usage.
3334 (pass_forwprop): Remove TODO_update_smt_usage.
3336 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3338 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3339 (correct_use_link): Remove reference to get_stmt_operands.
3340 (update_stmt_operands): Likewise.
3341 (get_modify_expr_operands): New function factored out of
3342 parse_ssa_operands and get_expr_operands.
3343 Try to create V_MUST_DEFs for LHS by default.
3344 (get_expr_operands) <case MODIFY_EXPR>: Call
3345 get_modify_expr_operands.
3346 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3347 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3348 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3349 get_modify_expr_operands.
3351 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3353 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3354 * tree-flow.h: Remove the prototype for
3355 referenced_var_lookup_if_exists.
3357 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3359 PR rtl-optimization/26345
3361 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3363 2006-03-03 Roger Sayle <roger@eyesopen.com>
3365 PR tree-optimization/26524
3366 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3367 fold_convert to create a constant of the appropriate type.
3369 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3371 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3372 SYMBOL_REF_IN_BLOCK_P.
3373 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3374 of SYMBOL_FLAG_IN_BLOCK.
3375 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3376 instead of SYMBOL_REF_IN_BLOCK_P.
3377 * explow.c (use_anchored_address): Likewise.
3378 * rtl.c (rtx_size): Likewise.
3379 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3380 instead of SYMBOL_FLAG_IN_BLOCK.
3381 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3382 SYMBOL_REF_IN_BLOCK_P.
3383 (assemble_variable): Likewise.
3384 (output_constant_def_contents): Likewise.
3385 (output_constant_pool): Likewise.
3386 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3387 instead of SYMBOL_FLAG_IN_BLOCK.
3388 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3389 SYMBOL_REF_IN_BLOCK_P.
3390 (SYMBOL_REF_BLOCK): Likewise.
3391 (SYMBOL_REF_OFFSET): Likewise.
3392 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3393 SYMBOL_REF_IN_BLOCK_P.
3394 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3395 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3396 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3397 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3399 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3401 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3403 2006-03-02 Roger Sayle <roger@eyesopen.com>
3405 * simplify-rtx.c (simplify_unary_operation): When simplifying
3406 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3407 that we perform the right shift in the appropriate mode, and
3408 then extend or truncate the result to requested mode.
3410 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3412 * gengtype.c (main): Handle double_int type.
3413 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3414 * double-int.c: New file.
3415 * double-int.h: New file.
3416 * system.h: Include doubleint.h.
3417 * Makefile.in (SYSTEM_H): Include double-int.h.
3418 (double-int.o): Add.
3420 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3423 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3426 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3428 * tree-vrp.c (remove_range_assertions): Do not update statements
3431 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3433 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3435 * gcse.c (rest_of_handle_gcse): Ditto.
3436 * except.c (gate_handle_eh): Ditto.
3437 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3438 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3440 2006-03-02 Eric Christopher <echristo@apple.com>
3442 * config/i386/i386.c (machopic_output_stub): Add indirection to
3445 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3449 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3451 Sun Niagara specific optimizations.
3452 * config.gcc: Recognize niagara as target.
3453 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3454 (TARGET_CPU_niagara): Define.
3455 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3456 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3457 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3458 (ASM_CPU_SPEC): Likewise.
3459 (PROCESSOR_NIAGARA): New enum entry.
3460 (REGISTER_MOVE_COST): Handle Niagara.
3461 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3462 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3463 (sparc_override_options): Recognize "niagara", set appropriate
3464 default MASK_* values for it, and align functions to 32-bytes
3465 by default just like ULTRASPARC/ULTRASPARC3.
3466 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3467 (sparc64_initialize_trampoline): Likewise.
3468 (sparc_use_sched_lookahead): Use zero for niagara.
3469 (sparc_issue_rate): Use one for niagara.
3470 * config/sparc/niagara.md: New file.
3471 * config/sparc/sparc.md: Include it.
3472 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3473 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3474 when default cpu is niagara.
3475 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3476 (ASM_CPU_SPEC): Likewise.
3477 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3478 when default cpu is niagara.
3479 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3480 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3481 just like v9/ultrasparc/ultrasparc3.
3482 * doc/invoke.texi: Add documentation for "niagara" and improve
3483 existing documentation for ultrasparc variants.
3485 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3487 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3489 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3491 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3492 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3493 and say that only one is needed.
3494 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3495 * target.h (have_switchable_bss_sections): New hook.
3496 * explow.c (use_anchored_address): Check that the symbol is in a block.
3497 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3498 (bss_noswitch_section): New variables.
3499 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3500 (get_noswitch_section): New function.
3501 (get_block_for_section): Allow SECT to be null.
3502 (unlikely_text_section_p): Use SECTION_STYLE.
3503 (bss_initializer_p): New function.
3504 (get_variable_section): Move earlier in file. Take a new argument,
3505 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3506 Return one of the new *_sections in such cases.
3507 (get_block_for_decl): New function, extracting some logic from
3508 use_blocks_for_decl_p.
3509 (change_symbol_section): Remove in favor of...
3510 (change_symbol_block): ...this new function.
3511 (use_blocks_for_decl_p): Remove checks now performed by
3513 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3514 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3515 (emit_local, emit_bss, emit_common): ...these new functions.
3516 Return true if the alignment was honored.
3517 (emit_tls_common): New function.
3518 (asm_emit_uninitialised): Delete.
3519 (assemble_variable_noswitch): New function, split out from...
3520 (assemble_variable): ...here. Don't make decisions about common
3521 variables here. Globalize all public decls that go into non-common
3522 sections. Check whether SYMBOL_REF_BLOCK is null.
3523 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3524 (output_constant_pool): Likewise.
3525 (init_varasm_once): Initialize the new section variables.
3526 (have_global_bss_p): New function.
3527 (categorize_decl_for_section): Use bss_initializer_p.
3528 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3529 (place_block_symbol): Assert that the symbol must be in a block.
3530 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3531 (TARGET_INITIALIZER): Include it.
3532 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3533 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3534 (SECTION_MACH_DEP): Bump by two.
3535 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3536 (unnamed_section): Mention SECTION_UNNAMED in comment.
3537 (named_section): Likewise SECTION_NAMED.
3538 (noswitch_section_callback): New type.
3539 (noswitch_section): New structure.
3540 (section): Add a noswitch_section alternative.
3541 (SECTION_STYLE): New macro.
3542 (tls_comm_section, comm_section, lcomm_section): Declare.
3543 (bss_noswitch_section, have_global_bss_p): Declare.
3544 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3545 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3547 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3548 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3551 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3553 * gcc/tree-vrp.c (execute_vrp): Return value.
3554 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3555 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3556 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3557 (tree_lower_complex_O0): Ditto.
3558 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3559 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3560 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3561 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3562 (execute_tail_calls): Ditto.
3563 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3564 * gcc/tree.h (init_function_for_compilation): Ditto.
3565 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3566 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3567 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3568 * gcc/final.c (compute_alignments): Ditto.
3569 (rest_of_handle_final): Ditto.
3570 (rest_of_handle_shorten_branches): Ditto.
3571 (rest_of_clean_state): Ditto.
3572 * gcc/omp-low.c (execute_expand_omp): Ditto.
3573 (execute_lower_omp): Ditto.
3574 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3575 * gcc/ipa-reference.c (static_execute): Ditto.
3576 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3577 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3578 (rest_of_handle_machine_reorg): Ditto.
3579 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3580 * gcc/flow.c (recompute_reg_usage): Ditto.
3581 (rest_of_handle_remove_death_notes): Ditto.
3582 (rest_of_handle_life): Ditto.
3583 (rest_of_handle_flow2): Ditto.
3584 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3585 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3586 (do_ssa_store_ccp): Ditto.
3587 (execute_fold_all_builtins): Ditto.
3588 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3589 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3590 * gcc/ipa-pure-const.c (static_execute): Ditto.
3591 * gcc/cse.c (rest_of_handle_cse): Ditto.
3592 (rest_of_handle_cse2): Ditto.
3593 * gcc/web.c (rest_of_handle_web): Ditto.
3594 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3595 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3596 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3597 * gcc/tree-nrv.c (tree_nrv): Ditto.
3598 (execute_return_slot_opt): Ditto.
3599 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3600 (create_structure_vars): Ditto.
3601 * gcc/loop-init.c (rtl_loop_init): Ditto.
3602 (rtl_loop_done): Ditto.
3603 (rtl_move_loop_invariants): Ditto.
3604 (rtl_unswitch): Ditto.
3605 (rtl_unroll_and_peel_loops): Ditto.
3606 (rtl_doloop): Ditto.
3607 * gcc/gimple-low.c (lower_function_body): Ditto.
3608 (mark_used_blocks): Ditto.
3609 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3610 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3611 (cgraph_early_inlining): Ditto.
3612 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3613 * gcc/jump.c (cleanup_barriers): Ditto.
3614 (purge_line_number_notes): Ditto.
3615 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3616 (rest_of_handle_if_after_reload): Ditto.
3617 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3618 (tree_ssa_loop_im): Ditto.
3619 (tree_ssa_loop_unswitch): Ditto.
3620 (tree_vectorize): Ditto.
3621 (tree_linear_transform): Ditto.
3622 (tree_ssa_loop_ivcanon): Ditto.
3623 (tree_ssa_empty_loop): Ditto.
3624 (tree_ssa_loop_bounds): Ditto.
3625 (tree_complete_unroll): Ditto.
3626 (tree_ssa_loop_prefetch): Ditto.
3627 (tree_ssa_loop_ivopts): Ditto.
3628 (tree_ssa_loop_done): Ditto.
3629 * gcc/predict.c (tree_estimate_probability): Ditto.
3630 * gcc/recog.c (split_all_insns_noflow): Ditto.
3631 (rest_of_handle_peephole2): Ditto.
3632 (rest_of_handle_split_all_insns): Ditto.
3633 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3634 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3635 (rest_of_handle_stack_adjustments): Ditto.
3636 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3637 * gcc/function.c (instantiate_virtual_regs): Ditto.
3638 (init_function_for_compilation): Ditto.
3639 (rest_of_handle_check_leaf_regs): Ditto.
3640 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3641 (rest_of_handle_gcse): Ditto.
3642 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3643 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3644 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3645 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3646 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3647 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3648 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3649 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3650 * gcc/except.c (set_nothrow_function_flags): Ditto.
3651 (convert_to_eh_region_ranges): Ditto.
3652 (rest_of_handle_eh): Ditto.
3653 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3654 (remove_unnecessary_notes): Ditto.
3655 * gcc/except.h (set_nothrow_function_flags): Ditto.
3656 (convert_to_eh_region_ranges): Ditto.
3657 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3658 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3659 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3660 (execute_fre): Ditto.
3661 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3662 (rest_of_handle_jump2): Ditto.
3663 * gcc/tree-sra.c (tree_sra): Ditto.
3664 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3665 (execute_mudflap_function_decls): Ditto.
3666 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3667 (do_store_copy_prop): Ditto.
3668 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3669 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3670 * gcc/tree-ssa-forwprop.c
3671 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3672 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3673 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3674 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3675 (execute_late_warn_uninitialized): Ditto.
3676 * gcc/rtl.h (cleanup_barriers): Ditto.
3677 (split_all_insns_noflow): Ditto.
3678 (purge_line_number_notes): Ditto.
3679 (unshare_all_rtl): Ditto.
3680 (remove_unnecessary_notes): Ditto.
3681 (recompute_reg_usage): Ditto.
3682 (variable_tracking_main): Ditto.
3683 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3684 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3685 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3686 (execute_free_cfg_annotations): Ditto.
3687 (execute_fixup_cfg): Ditto.
3688 (execute_cleanup_cfg_pre_ipa): Ditto.
3689 (execute_cleanup_cfg_post_optimizing): Ditto.
3690 (execute_init_datastructures): Ditto.
3691 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3692 * gcc/combine.c (rest_of_handle_combine): Ditto.
3693 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3694 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3695 (rest_of_handle_reorder_blocks): Ditto.
3696 (rest_of_handle_partition_blocks): Ditto.
3697 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3698 * gcc/tree-profile.c (tree_profiling): Ditto.
3699 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3700 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3701 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3702 (rest_of_handle_sched2): Ditto.
3703 * gcc/basic-block.h (free_bb_insn): Ditto.
3704 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3705 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3706 (remove_useless_stmts): Ditto.
3707 (split_critical_edges): Ditto.
3708 (execute_warn_function_return): Ditto.
3709 (execute_warn_function_noreturn): Ditto.
3710 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3711 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3712 * gcc/passes.c (execute_one_pass): Run additional
3713 todos returned by execute function.
3714 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3717 2006-03-02 Richard Guenther <rguenther@suse.de>
3719 * tree-ssa-alias.c (find_used_portions): Consider taking
3720 the address as making the variable not write-only.
3722 2006-03-02 Nick Clifton <nickc@redhat.com>
3724 * config.gcc (default_use_cxa_atexit): Extend the description of
3725 this configure variable. Set its default value to "yes" for
3726 Linux, NetBSD and ELF targets on the assumption that they will
3727 use C libraries with the __cxa_atexit function.
3729 2006-03-02 Ben Elliston <bje@au.ibm.com>
3731 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3732 parameter as unused to suppress a build warning.
3734 2006-03-02 Ben Elliston <bje@au.ibm.com>
3736 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3739 2006-03-01 Roger Sayle <roger@eyesopen.com>
3742 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3743 declared name, the weak reference name, and the typeof name.
3744 (__gthrw): Avoid expanding the declared name suffix.
3745 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3747 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3749 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3751 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3752 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3753 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3754 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3755 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3756 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3757 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3758 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3759 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3760 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3761 (DW_END_default, DW_END_big, DW_END_little): New.
3762 (DW_END_lo_user, DW_END_hi_user): Define.
3763 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3764 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3765 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3768 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3770 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3772 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3774 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3776 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3778 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3779 to 'symbol_mem_tag'.
3781 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3784 2006-03-01 Roger Sayle <roger@eyesopen.com>
3786 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3788 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3791 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3792 MACHO_DYNAMIC_NO_PIC_P.
3793 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3795 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3798 * config/darwin-protos.h (darwin_asm_output_anchor):
3800 * config/darwin-sections.def (cstring_section):
3801 Add SECTION_MERGE to the flags.
3802 (literal4_section): Likewise.
3803 (literal8_section): Likewise.
3804 (objc_selector_refs_section): Likewise.
3805 (objc_cls_refs_section): Likewise.
3806 * config/darwin.c (darwin_asm_output_anchor): New
3808 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3810 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3812 Fix PR tree-optimization/26443
3813 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3814 to todo and PROP_tmt_usage to properties_destroyed.
3815 * tree-ssa-ccp.c (pass_ccp): Ditto.
3816 (pass_store_ccp): Ditto.
3817 * tree-ssa-dom.c (pass_dominator): Ditto.
3819 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3821 * tree-ssa-operands.c: Cleanup whitespace.
3822 (get_asm_expr_operands): Move before first invocation.
3823 (get_indirect_ref_operands): Likewise.
3824 (get_tmr_operands): Likewise.
3825 (get_call_expr_operands): Likewise.
3826 (append_def): Likewise.
3827 (append_use): Likewise.
3828 (append_v_may_def): Likewise.
3829 (append_v_must_def): Likewise.
3830 (add_call_clobber_ops): Likewise.
3831 (add_call_read_ops): Likewise.
3832 (add_stmt_operand): Likewise.
3833 (add_virtual_operand): Likewise.
3834 (build_ssa_operands): Likewise.
3836 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3841 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3842 with a call expr to ...
3843 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3845 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3847 * tree-vrp.c (extract_range_from_assert): Remove special
3848 handling for types with super-types.
3850 2006-03-01 Ben Elliston <bje@au.ibm.com>
3852 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3853 and powerpc64-*-linux* configurations.
3854 * config/t-dfprules: New file.
3856 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3857 Compile dfp-bit.c from the source directory using -DWIDTH and
3858 $DFP_CFLAGS to control the compilation of that file, rather than
3859 generating width-specific versions in the build directory.
3860 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3861 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3863 2006-02-28 Zack Weinberg <zackw@panix.com>
3865 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3868 2006-02-28 Eric Christopher <echristo@apple.com>
3870 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3871 Set up IN_LIBGCC definition of TARGET_64BIT.
3872 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3874 2006-02-28 Roger Sayle <roger@eyesopen.com>
3877 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3878 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3879 cases via the construction of "expr != 0".
3881 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3883 * alias.c (alias_invariant, alias_invariant_size): Remove.
3884 (record_base_value): Remove.
3885 (memrefs_conflict_p): Don't look at alias_invariant.
3886 (end_alias_analysis): Don't free it.
3887 * alias.h (record_base_value): Remove prototype.
3889 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3890 Adam Nemet <anemet@caviumnetworks.com>
3892 * rtl.h (truncated_to_mode): Declare it.
3893 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3894 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3895 (RTL_HOOKS_INITIALIZER): Include it.
3896 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3897 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3898 reg_truncated_to_mode.
3899 * rtlanal.c (truncated_to_mode): Define it.
3900 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3902 2006-02-28 Jeff Law <law@redhat.com>
3904 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3905 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3906 the range allowed by TYPE_PRECISION.
3908 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3910 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3912 PR tree-optimization/26419
3913 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3916 2006-02-27 Zack Weinberg <zackw@panix.com>
3918 * doc/md.texi: Fix typo in previous change.
3920 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3924 2006-02-27 Zack Weinberg <zackw@panix.com>
3926 * rtl.def (define_constraint, define_register_constraint)
3927 (define_memory_constraint, define_address_constraint): New MD forms.
3928 * gensupport.c (process_rtx): Put define_constraint etc on the
3930 * genpreds.c (process_define_predicate): Adjust comment. Validate
3931 the name, and call validate_exp to validate the expression.
3932 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3933 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3934 all callers changed.
3935 (validate_exp, needs_variable, struct constraint_data)
3936 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3937 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3938 (const_dbl_constraints, constraint_max_namelen)
3939 (have_register_constraints, have_memory_constraints)
3940 (have_address_constraints, have_address_constraints)
3941 (have_extra_constraints, have_const_int_constraints)
3942 (have_const_dbl_constraints, mangle, add_constraint)
3943 (process_define_constraint, process_define_register_constraint)
3944 (write_enum_constraint_num, write_lookup_constraint)
3945 (write_insn_constraint_len, write_regclass_for_constraint)
3946 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3947 (write_insn_extra_memory_constraint)
3948 (write_insn_extra_address_constraint)
3949 (write_satisfies_constraint_fns): New.
3950 (write_tm_preds_h): If we have new-style constraint definitions,
3951 prototype the functions generated from them, and define the
3952 old constraint interface (still used by generic code) in terms of
3954 (write_insn_preds_c): If we have new-style constraint definitions,
3955 generate all relevant functions from those definitions.
3956 (main): Handle define_constraint etc.
3957 * genoutput.c (struct constraint_data, indep_constraints)
3958 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3959 (mdep_constraint_len): New data structures and functions, defined
3960 #ifdef USE_MD_CONSTRAINTS.
3961 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3962 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3963 use new logic to validate operand constraints against constraint
3965 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3967 * defaults.h: If none of the old-style constraint macros are
3968 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3969 old-style macros; and poison REG_CLASS_FROM_LETTER,
3970 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3972 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3973 * doc/md.texi: Document new constraint-definition mechanism and the
3974 C interface it provides. Remove references to old mechanism
3975 elsewhere in the document.
3976 (Machine Constraints): Use pathnames relative to gcc directory,
3977 i.e. config/ARCH/FILE. Change i386 section to refer to
3978 config/i386/predicates.md; update that section to match docstrings.
3979 * doc/tm.texi: Move all documentation of the old constraint-
3980 definition macros to their own section, clearly mark as obsolete.
3982 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3983 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3985 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3986 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3987 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3989 (splits and peepholes): Use satisfies_constraint_*.
3990 * config/i386/i386.c (memory_address_length)
3991 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3993 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3995 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3996 scalar operation to be put back into the loop.
3998 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4001 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4002 (extract_cie_info): Handle S flag in augmentation string.
4003 (execute_cfa_program): If context->signal_frame, execute also
4004 fs->pc == context->ra instructions.
4005 (uw_frame_state_for): If context->signal_frame, don't subtract one
4006 from context->ra to find FDE.
4007 (uw_update_context_1): Set context->signal_frame to
4009 (_Unwind_GetIPInfo): New function.
4010 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4011 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4013 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4014 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4015 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4016 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4017 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4018 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4019 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4020 x86_64_fallback_frame_state): Set fs->signal_frame.
4021 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4022 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4023 (frob_update_context): Likewise. Workaround missing S flag in
4024 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4025 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4026 Remove the psw_addr + 1 hack.
4028 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4030 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4031 with aggregates here.
4032 (find_func_aliases): Remove code for &<aggregate> from here.
4034 2006-02-26 Roger Sayle <roger@eyesopen.com>
4036 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4037 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4038 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4041 2006-02-26 Roger Sayle <roger@eyesopen.com>
4044 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4046 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4048 * opts.c (decode_options): Do not handle flag_strength_reduce.
4049 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4050 and OPT_fstrength_reduce.
4051 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4052 flag_prefetch_loop_arrays for being nonzero.
4053 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4055 (fprefetch-loop-arrays-rtl): Removed.
4056 (flag_prefetch_loop_arrays): Do not specify the value.
4058 * doc/passes.texi: Update documentation of loop optimizer
4060 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4061 -frerun-loop-opt): Remove.
4063 2006-02-26 Richard Guenther <rguenther@suse.de>
4065 PR tree-optimization/26421
4066 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4067 in function calls that are ADDR_EXPRs as using the whole structure.
4069 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4071 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4072 * tree-pass.h (pass_loop_optimize): Remove.
4073 * passes.c (pass_loop_optimize): Never run it.
4074 * toplev.c (backend_init): Don't call init_loop.
4075 * opts.c (flag_loop_optimize_set): Remove.
4076 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4077 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4078 the old RTL loop optimizer when profiling enabled.
4079 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4080 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4081 pre-headers for the sake of the old RTL loop optimizer.
4082 * Makefile.in: Remove all references to loop.o.
4084 * doc/invoke.texi: Remove all references to -floop-optimize
4085 and -frerun-loop-opt.
4087 2006-02-26 Zack Weinberg <zackw@panix.com>
4089 * doc/md.texi (Machine Constraints): Refer to all files with paths
4090 relative to gcc directory (i.e. config/CPU/file). Add missing
4091 @table @code ... @end table to M32C subsection.
4093 2006-02-26 Roger Sayle <roger@eyesopen.com>
4095 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4097 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4099 2006-02-26 Roger Sayle <roger@eyesopen.com>
4100 James A. Morrison <phython@gcc.gnu.org>
4103 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4104 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4105 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4106 signedness of the shift operation.
4108 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4110 PR tree-optimization/26359
4111 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4113 2006-02-25 Roger Sayle <roger@eyesopen.com>
4115 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4116 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4117 as X == 0, and some symmetry related transformations.
4118 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4120 2006-02-25 Roger Sayle <roger@eyesopen.com>
4123 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4124 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4125 symmetry related transformations. Fold (X^C1) == C2 as
4128 2006-02-25 Juergen Weigert <jw@suse.de>
4129 Richard Guenther <rguenther@suse.de>
4131 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4133 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4135 * combine.c (gen_lowpart_or_truncate): Call
4136 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4138 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4140 * doc/invoke.texi: Move -fopenmp description to "Options for
4142 Remove reference to -lgomp.
4144 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4146 * doc/install.texi: Require GNU tar version 1.14.
4148 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4150 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4151 * doc/invoke.texi (C++ Dialect Options): Document
4152 -fno-use-cxa-get-exception-ptr.
4153 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4154 * configure: Regenerate.
4155 * c.opt (fuse-cxa-get-exception-ptr): New.
4156 * c-opts.c (c_common_handle_option): Handle
4157 OPT_fuse_cxa_get_exception_ptr.
4158 * c-common.c (flag_use_cxa_atexit): Update documentation.
4159 (flag_use_cxa_get_exception_ptr): New.
4160 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4161 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4163 (C_COMMON_OVERRIDE_OPTIONS): New.
4165 2006-02-24 Roger Sayle <roger@eyesopen.com>
4168 * combine.c (try_combine): Explicitly check whether GET_CODE is
4169 a SET or a CLOBBER, instead on checking that it isn't a USE.
4171 2006-02-24 Roger Sayle <roger@eyesopen.com>
4173 * fold-const.c (fold_comparison): New subroutine of fold_binary
4174 containing transformations common to both the equality and
4175 ordering relational operators, factored out of fold_binary.
4176 (fold_binary): Separate out the equality operators (EQ_EXPR
4177 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4178 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4179 transformations common to both.
4180 (fold_div_compare): Fix latent bugs in the previously unreachable
4181 LT_EXPR and GE_EXPR cases.
4183 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4185 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4186 decl libname for clog to __clog on AIX.
4188 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4190 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4193 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4194 output traceback table for thunks. Localise rs6000_stack_info call.
4196 2006-02-23 Roger Sayle <roger@eyesopen.com>
4197 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4199 * gthr-posix.h (__gthrw): Fix typo in comment.
4201 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4203 * doc/cpp.texi (Character sets): Document that we do support
4204 input files to be in any character set.
4206 2006-02-23 Jeff Law <law@redhat.com>
4208 * tree.h (PHI_ARG_NONZERO): Remove.
4209 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4210 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4211 node to the new node.
4213 PR tree-optimization/26425
4214 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4215 min/max, then assume its varying.
4217 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4219 PR rtl-optimization/26316
4220 * rtlanal.c (enum may_trap_p_flags): New.
4221 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4222 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4223 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4224 (may_trap_after_code_motion_p): New function.
4225 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4226 (find_invariant_insn): Use may_trap_after_code_motion_p.
4227 * rtl.h (may_trap_after_code_motion_p): Declare.
4229 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4231 * emit-rtl.c (immed_double_const): Cleanup.
4233 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4235 Fix PR tree-optimization/26376
4236 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4239 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4242 * gimplify.c (omp_add_variable): Guard variable size decl test with
4243 DECL_SIZE (decl) check.
4245 2006-02-23 Richard Guenther <rguenther@suse.de>
4248 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4249 like aggregate types.
4251 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4253 * configure.ac: Add --with{,out}-long-double-128 configure option.
4254 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4255 * configure: Rebuilt.
4256 * config.in: Rebuilt.
4257 * doc/install.texi (Options specification): Document
4258 --with-long-double-128.
4260 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4261 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4262 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4263 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4265 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4267 * config/s390/s390.c (override_options): Handle
4268 TARGET_DEFAULT_LONG_DOUBLE_128.
4270 * config/alpha/alpha.c (override_options): Handle
4271 TARGET_DEFAULT_LONG_DOUBLE_128.
4273 * config/sparc/sparc.c (sparc_override_options): Handle
4274 TARGET_DEFAULT_LONG_DOUBLE_128.
4276 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4278 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4279 (real-install-headers-tar, real-install-headers-cpio)
4280 (real-install-headers-cp): New targets.
4282 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4284 * tree.h (variable_section): Delete.
4285 * varasm.c (variable_section): Delete.
4287 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4289 * install.texi: Add notes on install.texi2html.
4290 (Building in parallel): Do not use footnotes.
4292 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4295 * doc/install.texi (Configuration): Document --disable-libgomp.
4297 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4299 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4301 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4303 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4304 (vec_extractv2df_0_sse): New.
4306 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4308 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4309 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4310 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4311 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4312 to the result of the expression.
4313 (def_cfa_1): Adjust.
4314 (frame_pointer_cfa_offset): Rename to...
4315 (frame_pointer_fb_offset): ... this. Adjust all uses.
4316 (convert_cfa_to_loc_list): Rename to...
4317 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4318 Pass it on to build_cfa_loc.
4319 (compute_frame_pointer_to_cfa_displacement): Rename to...
4320 (compute_frame_pointer_to_fb_displacement): ... this. New
4321 offset parameter. Use it in computation.
4322 (gen_subprogram_die): Compute cfa_fb_offset with the new
4323 macro, and use it to compute the fb loc list and the
4326 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4328 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4329 replaced with register_operand.
4330 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4331 non-DREG is expensive.
4332 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4333 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4336 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4338 * doc/install.texi2html: Use set -e.
4340 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4342 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4343 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4344 * doc/invoke.texi (-fshared-data): Delete.
4345 * common.opt (fshared-data): Delete.
4346 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4347 (assemble_static_space): Remove #if 0 code.
4348 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4349 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4350 * config/cris/cris.h: Remove FIXME.
4352 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4354 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4357 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4360 * combine.c (simplify_shift_const_1): Disable nested shifts
4361 optimization for vector shifts.
4363 2006-02-20 Roger Sayle <roger@eyesopen.com>
4365 PR tree-optimization/26361
4366 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4367 of unsigned integer types.
4369 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4371 * tree-chrec.c (eq_evolutions_p): New.
4372 * tree-chrec.h (eq_evolutions_p): Declared.
4373 * tree-data-ref.c: Fix formatting.
4374 (datadep_stats, dependence_stats): New.
4376 (print_direction_vector): New.
4377 (dump_data_dependence_relation): Use print_direction_vector.
4378 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4379 (compute_subscript_distance): Static.
4380 (initialize_data_dependence_relation): Static. Get the number
4381 of loops surrounding the references from the callers, and initialize
4382 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4383 base_object_differ_p analyzers.
4384 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4385 compute_overlap_steps_for_affine_1_2,
4386 analyze_subscript_affine_affine): Count the classified dependences.
4387 Print a message when a test failed.
4388 (can_use_analyze_subscript_affine_affine): New.
4389 (analyze_siv_subscript): Compute the data dependences on symbolic
4390 scevs that verify can_use_analyze_subscript_affine_affine.
4391 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4392 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4393 Handle symbolic scevs.
4394 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4396 (subscript_dependence_tester): Moved...
4397 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4398 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4399 DDR_SIZE_VECT instead of getting it in parameter.
4400 (subscript_dependence_tester): ... here. Take as a parameter
4401 loop_nest_depth. Call build_classic_dist_vector and
4402 build_classic_dir_vector.
4403 (compute_affine_dependence): Update subscript_dependence_tester
4404 parameters. Update datadep_stats counters. Call
4405 compute_subscript_distance.
4406 (compute_self_dependence): Save the dist and dir vectors. Call
4407 compute_subscript_distance.
4408 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4409 (compute_all_dependences): Reorder parameters as they were before
4410 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4411 compute_subscript_distance. Update the use of
4412 compute_affine_dependence and initialize_data_dependence_relation.
4413 (find_data_references_in_loop): Handle COMPONENT_REF.
4414 (compute_data_dependences_for_loop): Initialize dependence_stats.
4415 Don't call build_classic_dist_vector and build_classic_dir_vector.
4416 Update the parameters of initialize_data_dependence_relation and
4417 compute_all_dependences. Print the statistics from datadep_stats.
4418 (analyze_all_data_dependences): Static. Not used until the pass for
4419 checking the data dependences is contributed.
4420 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4421 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4422 (initialize_data_dependence_relation, compute_affine_dependence,
4423 analyze_all_data_dependences, compute_subscript_distance): Removed.
4424 (print_direction_vector): New.
4425 * lambda.h (gcd): ... here.
4426 (lambda_vector_gcd): Moved here from gcd_vector.
4427 * lambda-code.c (gcd, gcd_vector): Removed.
4428 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4429 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4431 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4433 * ipa-type-escape.c: Tidy some comments and white space.
4434 * tree-ssa-operands.c: Likewise.
4436 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4439 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4440 (dump_decl_name): Do not walk the decl tree chains.
4441 * tree-pass.h (TDF_CHAIN): Remove.
4443 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4445 * Makefile.in (C): Remove
4447 (.PHONY): Remove C and PROTO
4449 2006-02-20 Roger Sayle <roger@eyesopen.com>
4452 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4453 deprecated CHAR_TYPE tree code.
4455 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4457 * configure.ac (target_list): Add install-info, dvi, html.
4458 * configure: Regenerate.
4460 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4461 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4462 treelang/Make-lang.in: Do not use double-colon rules.
4464 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4466 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4467 (TMT_USED_ALONE): New macro.
4468 * tree-pass.h (PROP_tmt_usage): New property.
4469 (TODO_update_tmt_usage): New todo.
4470 * tree-ssa-alias.c (updating_used_alone): New variable.
4471 (recalculate_used_alone): New function.
4472 (compute_may_aliases): Set updating_used_alone, call
4473 recalculate_used_alone.
4474 * tree-sra.c (pass_sra): Note that this pass destroys
4475 PROP_tmt_usage, and add TODO_update_tmt_usage.
4476 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4477 * tree-flow.h (updating_used_alone): Prototype.
4478 (recalculate_used_alone): Ditto.
4479 * passes.c (execute_todo): Add code to set updating_used_alone,
4480 and call recalculate.
4481 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4482 for clobber if used alone, and add assert to verify used_alone
4485 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4487 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4488 for non tls symbols added.
4489 (legitimize_address): Do nothing for PLUS expressions if one of the
4490 addends is a tls symbol reference.
4492 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4496 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4498 * Makefile.in (BOOTSTRAPPING): New.
4499 (quickstrap): New definition if BOOTSTRAPPING=yes.
4501 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4502 * configure.ac: Substitute all_selected_languages with the languages
4503 that were configured. For all the other variables except
4504 lang_specs_files, include all the languages in the tree.
4505 * configure: Regenerate.
4507 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4508 if there is one. Run the commands to run fixincludes in the same
4511 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4512 * doc/install.texi: Document exact conventions for searching target tools.
4513 Document --with-build-time-tools. Document toplevel bootstrap. Document
4514 something more about building an Ada cross-compiler. Don't list GNU Make
4515 requirements which affect all platforms.
4517 2006-02-19 Roger Sayle <roger@eyesopen.com>
4520 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4521 only equivalent if the have both the same mode and precision.
4523 2006-02-20 Ben Elliston <bje@au.ibm.com>
4525 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4527 2006-02-19 Roger Sayle <roger@eyesopen.com>
4528 Steven Bosscher <stevenb.gcc@gmail.com>
4530 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4531 constant pool references to identify stack mode constants.
4532 * rtlanal.c (constant_pool_constant_p): New predicate to check
4533 whether operand is a floating point constant in the pool.
4534 * rtl.h (constant_pool_constant_p): Prototype here.
4535 * loop.c (scan_loop): Avoid hoisting constants from the constant
4536 pool on STACK_REGS targets.
4537 (load_mems): Likewise.
4538 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4539 loads into x87 registers expensive in terms of register pressure.
4541 2006-02-19 Roger Sayle <roger@eyesopen.com>
4543 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4544 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4546 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4548 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4549 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4551 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4553 * doc/invoke.texi: Document -fipa-pta.
4554 * common.opt: Add ipa-pta option.
4555 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4556 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4557 (do_ds_constraint): Ditto.
4558 (get_constraint_for): Only add to referenced_vars if
4559 referenced_vars exists.
4560 (insert_into_field_list): Rewrite to do this unsorted.
4561 (insert_into_field_list_sorted): Rename old insert_into_field_list
4563 (create_function_info_for): Use insert_into_field_list_sorted.
4564 (create_variable_info_for): Rewrite so it uses unsorted version,
4565 since the field list is sorted.
4566 (intra_create_variable_infos): Only add to referenced_vars if
4567 referenced_vars exists.
4568 (ipa_pta_execute): Init heapvars, and delete when done.
4569 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4571 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4573 * doc/install.texi: Add missing `@samp'.
4575 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4577 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4580 2006-02-18 Mark Wielaard <mark@klomp.org>
4582 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4583 who added new 4.1 features, bug fixes and integration support.
4585 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4588 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4591 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4593 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4594 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4595 (copy_insn_1): Likewise. Don't copy each field individually.
4597 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4599 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4600 * rtl.c (rtx_size): Rename variable to...
4601 (rtx_code_size): ...this.
4602 (rtx_size): New function.
4603 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4604 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4606 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4607 * rtl.h (rtx_code_size): New variable.
4608 (rtx_size): Change from a variable to a function.
4609 (RTX_SIZE): Rename to...
4610 (RTX_CODE_SIZE): ...this.
4613 PR tree-optimization/17106
4614 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4615 (Anchored Addresses): New section.
4616 * doc/invoke.texi (-fsection-anchors): Document.
4617 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4618 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4619 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4620 * hooks.c (hook_bool_mode_rtx_false): New function.
4621 * hooks.h (hook_bool_mode_rtx_false): Declare.
4622 * gengtype.c (create_optional_field): New function.
4623 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4624 SYMBOL_REF_IN_BLOCK_P is true.
4625 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4626 (min_anchor_offset, max_anchor_offset): Likewise.
4627 (use_anchors_for_symbol_p): New hook.
4628 * toplev.c (compile_file): Call output_object_blocks.
4629 (target_supports_section_anchors_p): New function.
4630 (process_options): Check that -fsection-anchors is only used on
4631 targets that support it and when -funit-at-a-time is in effect.
4632 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4633 if the decl doesn't have one.
4634 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4635 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4636 of force_const_mem through use_anchored_address.
4637 (expand_expr_constant): New function.
4638 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4639 calling expand_expr for INDIRECT_REF.
4640 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4641 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4642 * expr.h (use_anchored_address): Declare.
4643 * loop-unroll.c: Don't declare rtx vectors here.
4644 * explow.c: Include output.h.
4645 (validize_mem): Call use_anchored_address.
4646 (use_anchored_address): New function.
4647 * common.opt (-fsection-anchors): New switch.
4648 * varasm.c (object_block_htab, anchor_labelno): New variables.
4649 (hash_section, object_block_entry_eq, object_block_entry_hash)
4650 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4651 (use_blocks_for_decl_p, change_symbol_section): New functions.
4652 (get_variable_section): New function, split out from assemble_variable.
4653 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4654 use_blocks_for_decl_p say so. Use change_symbol_section if the
4655 symbol has already been created.
4656 (assemble_variable_contents): New function, split out from...
4657 (assemble_variable): ...here. Don't output any code for
4658 block symbols; just pass them to place_block_symbol.
4659 Use get_variable_section and assemble_variable_contents.
4660 (get_constant_alignment, get_constant_section, get_constant_size): New
4661 functions, split from output_constant_def_contents.
4662 (build_constant_desc): Create a block symbol if use_object_blocks_p
4663 says so. Or into SYMBOL_REF_FLAGS.
4664 (assemble_constant_contents): New function, split from...
4665 (output_constant_def_contents): ...here. Don't output any code
4666 for block symbols; just pass them to place_section_symbol.
4667 Use get_constant_section and get_constant_alignment.
4668 (force_const_mem): Create a block symbol if use_object_blocks_p and
4669 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4670 (output_constant_pool_1): Add an explicit alignment argument.
4671 Don't switch sections here.
4672 (output_constant_pool): Adjust call to output_constant_pool_1.
4673 Switch sections here instead. Don't output anything for block symbols;
4674 just pass them to place_block_symbol.
4675 (init_varasm_once): Initialize object_block_htab.
4676 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4677 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4678 (place_block_symbol, get_section_anchor, output_object_block)
4679 (output_object_block_htab, output_object_blocks): New functions.
4680 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4681 (TARGET_ASM_OUT): Include it.
4682 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4683 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4684 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4685 (TARGET_INITIALIZER): Include them.
4686 * rtl.c (rtl_check_failed_block_symbol): New function.
4687 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4688 (block_symbol, object_block): New structures.
4689 (rtx_def): Add a block_symbol field to the union.
4690 (BLOCK_SYMBOL_CHECK): New macro.
4691 (rtl_check_failed_block_symbol): Declare.
4692 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4693 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4694 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4695 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4696 * output.h (output_section_symbols): Declare.
4697 (object_block): Name structure.
4698 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4699 (default_use_anchors_for_symbol_p): Declare.
4700 * Makefile.in (RTL_BASE_H): Add vec.h.
4701 (explow.o): Depend on output.h.
4702 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4703 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4704 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4705 (rs6000_use_blocks_for_constant_p): New function.
4707 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4709 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4711 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4714 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4717 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4719 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4723 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4726 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4727 instead of DECL_REGISTER.
4729 2006-02-18 Olivier Hainque <hainque@adacore.com>
4732 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4734 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4737 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4738 * opth-gen.awk: Handle Var and InverseMask together.
4739 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4740 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4741 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4742 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4744 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4745 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4746 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4747 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4748 LINUX_DYNAMIC_LINKER): Define.
4749 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4750 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4752 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4753 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4754 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4755 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4756 (TARGET_C99_FUNCTIONS): Don't define.
4757 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4758 GLIBC_DYNAMIC_LINKER.
4759 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4760 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4761 GLIBC_DYNAMIC_LINKER64): Define.
4762 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4763 LINUX_DYNAMIC_LINKER64.
4764 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4765 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4766 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4767 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4768 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4769 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4770 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4771 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4772 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4773 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4774 and LINUX_DYNAMIC_LINKER32.
4775 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4776 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4777 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4778 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4779 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4781 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4782 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4783 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4784 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4785 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4786 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4787 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4788 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4789 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4790 LINUX_DYNAMIC_LINKER): Define.
4791 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4792 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4793 GLIBC_DYNAMIC_LINKER64): Define.
4794 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4795 LINUX_DYNAMIC_LINKER64.
4796 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4797 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4798 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4799 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4800 LINUX_DYNAMIC_LINKER): Define.
4801 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4802 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4803 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4804 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4805 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4806 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4807 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4808 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4809 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4810 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4811 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4812 * doc/invoke.texi (-muclibc): Remove caveat about supported
4815 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4817 * doc/cpp.texi (__TIMESTAMP__): Document.
4819 2006-02-17 Roger Sayle <roger@eyesopen.com>
4822 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4823 C is one less than the width of X (and related transformations).
4824 * simplify-rtx.c (simplify_unary_operation_1): Transform
4825 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4826 depending on STORE_FLAG_VALUE, were C is one less then the
4829 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4831 Fix PR tree-optimization/26341
4832 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4833 about NAME_MEMORY_TAG's.
4835 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4838 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4839 with hardware float support, and software float support. Add fcpy
4840 alternative to hardware patterns. Add alternatives to copy between
4841 general and floating-point registers to the 32-bit pattern.
4842 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4843 secondary reload to load a QI or HI mode constant into a floating
4845 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4846 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4848 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4851 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4853 (load_macho_picbase_di): Likewise.
4855 2006-02-16 Jeff Law <law@redhat.com>
4857 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4858 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4859 (ssa_name_nonzero_p): Likewise.
4860 (get_value_range): Return NULL if VRP is not running.
4861 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4862 VRP routines do not discover a range.
4863 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4864 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4865 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4866 (tree_expr_nonnegative_p): Similarly.
4867 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4868 (restore_nonzero_vars_to_original_value): Remove.
4869 (unsafe_associative_fp_binop): Remove.
4870 (tree_ssa_dominator_optimize): Remove initialization and
4871 finalization of nonzero_vars and nonzero_vars_stack.
4872 (dom_opt_initialize_block): No longer push marker on
4874 (dom_opt_finalize_block): No longer call
4875 restore_nonzero_vars_to_original_value.
4876 (record_equivalences_from_phis): No longer look for
4877 nonzero PHI arguments.
4878 (cprop_into_successor_phis): No longer propagate nonzero
4879 property into PHI arguments. Lose unused argument. Caller
4881 (record_equivalences_from_stmt): No longer record nonzero
4882 values for SSA_NAMEs.
4883 (lookup_avail_expr): No longer use nonzero_vars.
4885 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4886 for sizetype when sizetype is unsigned.
4888 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4890 PR rtl-optimization/25603
4891 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4892 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4893 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4894 with new meaning of SETS.
4896 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4901 * config/linux.opt: New file.
4902 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4903 LINUX_DYNAMIC_LINKER): Define.
4904 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4905 * config.gcc (*-*-linux*): Define extra_options.
4906 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4907 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4908 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4909 GLIBC_DYNAMIC_LINKER.
4910 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4911 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4912 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4913 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4914 * doc/invoke.texi (GNU/Linux Options): New section.
4916 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4918 * config/sparc/sparc.md (setjmp): Rewrite.
4919 (setjmp_32): Delete.
4920 (setjmp_64): Likewise.
4922 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4924 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4927 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4929 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4932 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4934 PR rtl-optimization/26296
4935 * Makefile.in (loop-invariant.c): Add except.h dependency.
4936 * loop-invariant.c: Include except.h.
4937 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4939 2005-02-16 Paul Brook <paul@codesourcery.com>
4941 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4944 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4946 PR rtl-optimization/25636
4947 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4948 when deciding whether an insn is an initializing insn.
4950 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4952 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4953 (tree_code_size): Ditto.
4954 * tree.h (struct tree_memory_tag): Remove parent_var.
4955 (struct tree_struct_field_tag): New.
4958 (union tree_node): Add sft member.
4959 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4961 (create_sft): Add size and offset argument, set SFT_OFFSET and
4963 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4964 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4965 * tree-flow-inline.h (get_subvar_at): Update for
4966 SFT_OFFSET/SFT_SIZE.
4967 (var_can_have_subvars): Ditto.
4968 (overlap_subvar): Ditto.
4969 * print-tree.c (print_node): Print out interesting things for
4971 * tree-flow.h (struct subvar): Remove offset and size members.
4972 * tree-ssa-operands.c (get_expr_operands): Update for
4973 get_indirect_ref_operands changes.
4974 (get_indirect_ref_operands): Call add_virtual_operand instead of
4975 add_stmt_operand. Only recurse on base var if requested.
4976 (access_can_touch_variable): New function.
4977 (add_stmt_operand): Split virtual operand handling into ...
4978 (add_virtual_operand): Here. Add offset, size, and for_clobber
4979 arguments. Prune alias sets.
4980 (add_call_clobber_ops): Call add_virtual_operand.
4982 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4985 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4987 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4988 than TREE_CODE as index into omp_clause_num_ops array.
4990 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4992 PR rtl-optimization/26184
4993 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4995 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4996 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4997 must_precede, must_follow and tobe_scheduled.
5000 * opts.c (common_handle_option): Free new_option pointer.
5001 * df-core.c (df_analyze): Free postorder pointer.
5003 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5005 * Makefile.in: Fix the examples about the use of stamps
5007 2006-02-15 Michael Matz <matz@suse.de>
5011 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5012 influenced by maximum_field_alignment or DECL_PACKED.
5013 (update_alignment_for_field): Ditto.
5014 (place_field): Ditto.
5015 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5018 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5020 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5021 (debug_flow_info): Pass it.
5022 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5023 * bb-reorder.c (reorder_basic_blocks): Likewise.
5024 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5025 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5026 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5027 * gcse.c (gcse_main, bypass_jumps): Likewise.
5028 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5029 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5030 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5031 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5032 * rtl.h (dump_flow_info): Adjust prototype.
5033 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5034 * var-tracking.c (variable_tracking_main): Likewise.
5035 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5036 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5039 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5041 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5044 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5046 PR tree-optimization/26209
5047 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5048 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5050 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5052 2006-02-14 Roger Sayle <roger@eyesopen.com>
5055 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5056 (X,Y) and the corresponding symmetry related transformations.
5057 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5058 (X,Y) and its symmetry related transformations.
5060 2006-02-14 Roger Sayle <roger@eyesopen.com>
5062 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5065 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5067 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5069 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5072 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5073 support COMDAT group.
5074 * configure: Regenerate.
5076 2006-02-14 Roger Sayle <roger@eyesopen.com>
5081 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5083 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5085 Fix PR tree-optimization/26260
5087 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5089 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5090 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5091 * tree-ssa-structalias.c (create_variable_info_for): Use
5092 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5094 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5096 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5098 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5099 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5100 of the ending condition.
5101 * tree-ssa-loop-manip.c: Include params.h.
5102 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5103 tree_unroll_loop): New functions.
5104 * tree-pass.h (pass_loop_prefetch): Declare.
5105 * loop.c (rest_of_handle_loop_optimize): Test for
5106 -fprefetch-loop-arrays-rtl.
5107 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5108 * timevar.def (TV_TREE_PREFETCH): New timevar.
5109 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5110 pass_loop_prefetch): New.
5111 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5112 (cleanup_tree_cfg_loop): Call scev_reset.
5113 * common.opt (fprefetch-loop-arrays-rtl): Add.
5114 * tree-ssa-loop-prefetch.c: New file.
5115 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5116 (new_temp_expr_table): Initialize expr_vars.
5117 (free_temp_expr_table): Cleanup expr_vars.
5118 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5119 expressions from being merged into one.
5120 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5121 (struct tree_niter_desc): Add control, bound and cmp fields.
5122 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5124 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5125 (tree-cfgcleanup.o): Add SCEV_H dependency.
5126 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5127 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5129 2006-02-14 Richard Guenther <rguenther@suse.de>
5131 PR tree-optimization/26258
5132 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5133 in PHI argument processing.
5135 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5137 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5138 new expression in the requested machine mode.
5140 2006-02-13 Roger Sayle <roger@eyesopen.com>
5142 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5143 directly, instead let do_compare_rtx_and_jump handle this for us.
5144 * expr.c (expand_expr_real_1): Likewise.
5145 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5146 before do_jump_by_parts_greater.
5147 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5148 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5150 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5152 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5154 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5156 PR rtl-optimization/26235
5157 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5158 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5161 2006-02-13 Jeff Law <law@redhat.com>
5163 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5166 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5169 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5170 twice if decl is a builtin. When trying again, call get_callee_fndecl
5171 first to verify it is still a builtin.
5173 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5175 * dwarf2out.c (base_type_die): Don't add AT_name here.
5176 (subrange_type_die): Don't add AT_name here.
5177 (modified_type_die): Rearrange code flow. Do add AT_name here.
5179 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5181 PR rtl-optimization/26247
5182 PR rtl-optimization/26248
5183 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5185 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5187 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5188 * config/fixtfdi.c: Likewise.
5189 * config/fixunstfdi.c: Likewise.
5190 * config/floatditf.c: Likewise.
5192 2006-02-13 Roger Sayle <roger@eyesopen.com>
5195 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5196 into (X,C2) if C1 is a subset of the bits of C2. Transform
5197 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5199 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5201 2006-02-13 Josh Conner <jconner@apple.com>
5204 * varasm.c (function_section): Check for section name before
5205 calling select_section on targets that define
5206 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5207 unlikely_text_section instead of hot_function_section if
5208 first_function_block_is_cold.
5210 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5213 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5215 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5217 PR rtl-optimization/26222
5218 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5219 after tree->rtl expansion.
5220 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5221 before passing it to emit_move_insn.
5223 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5225 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5227 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5228 Clarify documentation.
5229 * c-common.h (warn_write_strings): Remove.
5230 * c-common.c (warn_write_strings): Likewise.
5231 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5234 2006-02-12 Roger Sayle <roger@eyesopen.com>
5237 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5238 (do_jump_parts_zero_rtx): New function renamed from
5239 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5240 (do_jump_parts_equality_rtx): New function split out from
5241 do_jump_parts_equality. Old implementation renamed as above.
5242 Call do_jump_parts_zero_rtx if either operand is zero.
5243 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5244 do all of the heavy lifting.
5245 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5246 calling either do_jump_by_parts_greater_rtx or
5247 do_jump_by_parts_equality_rtx.
5248 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5249 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5250 moved to do_compare_rtx_and_jump, call it directly.
5251 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5252 mode argument. Call do_compare_rtx_and_jump.
5253 (emit_case_nodes): Update calls to do_jump_if_equal.
5255 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5257 PR rtl-optimization/26225
5258 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5260 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5262 PR rtl-optimization/26232
5263 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5265 2006-02-11 Jason Merrill <jason@redhat.com>
5268 * tree-inline.c (declare_return_variable): Just don't use the
5269 modify target if it's a gimple complex reg and the return slot
5272 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5274 * doc/contrib.texi: Update my entry.
5276 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5278 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5280 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5282 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5285 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5287 * doc/invoke.texi (-floop-optimize2): Removed.
5288 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5289 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5290 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5291 * common.opt (floop-optimize2): Removed.
5292 (fmove-loop-invariants): Enabled by default.
5294 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5296 * tree-if-conv.c (combine_blocks): Free the result of
5297 get_loop_exit_edges.
5299 2006-02-10 Jeff Law <law@redhat.com>
5301 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5303 PR tree-optimization/26213
5304 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5305 loop trying to follow SSA_NAME_VALUE chains.
5307 2006-02-10 Richard Guenther <rguenther@suse.de>
5309 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5310 deal with structures that end in implicitly variable sized arrays.
5312 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5314 PR rtl-optimization/24762
5315 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5318 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5320 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5321 (struct ivopts_data): Add regs_used field.
5322 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5323 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5324 instead of loop_data->regs_used;
5325 (free_loop_data): Do not free aux fields for loops.
5326 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5327 and tree_ssa_iv_optimize_finalize.
5329 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5331 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5333 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5336 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5337 computing the effective result type.
5339 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5342 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5343 (tree_overlaps_hard_reg_set): Declare.
5344 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5345 type and signature to match function type expected by walk_tree.
5346 (tree_overlaps_hard_reg_set): New function.
5347 (decl_conflicts_with_clobbers_p): Rename to:
5348 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5349 Use tree_overlaps_hard_reg_set. Changed caller.
5350 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5351 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5352 * cris.c (cris_md_asm_clobbers): Likewise.
5354 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5356 * reload1.c (emit_input_reload_insns): Delete code that tries to
5357 inherit using find_equiv_reg.
5359 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5361 * c-common.h (flag_const_strings): Don't declare.
5362 * c-common.c (flag_const_strings): Remove.
5363 * c.opt (fconst_strings): Remove.
5364 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5365 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5366 (c_common_init_options): Don't set flag_const_strings.
5367 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5369 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5371 * arm.md (tlobits_cbranch): New pattern.
5372 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5373 testing a single bit.
5375 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5378 * tree-ssa-pre.c (create_component_ref_by_pieces):
5379 Handle RETURN_DECL like VAR_DECL.
5381 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5384 * fold-const.c (fold_indirect_ref_1): Fold
5385 "*(foo *)&complexfoo" to "__real__ complexfoo"
5386 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5388 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5390 * tree-flow-inline.h (var_can_have_subvars):
5391 Volatile variables should not have subvariables.
5393 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5396 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5397 multiplying unsigned values.
5400 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5402 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5404 2006-02-08 Jason Merrill <jason@redhat.com>
5407 * tree.def: Elaborate on difference from MODIFY_EXPR.
5408 * doc/c-tree.texi (INIT_EXPR): Likewise.
5409 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5410 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5411 (gimplify_target_expr): Likewise.
5412 (gimplify_cond_expr): Remove target handling.
5413 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5414 (gimplify_expr): Clobber it here.
5415 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5416 Do return slot optimization if we have an INIT_EXPR.
5419 * tree-inline.c (declare_return_variable): Also clear
5420 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5423 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5426 * gimplify.c (gimplify_one_sizepos): Fix typo.
5428 2006-02-08 Jeff Law <law@redhat.com>
5430 PR tree-optimization/21417
5431 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5432 across a backedge if the control statement at the end of the
5433 block is data dependent on other statements in the same block.
5434 (record_temporary_equivalences_from_stmts): Remove over-conservative
5435 test for threading across backedges.
5437 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5438 control statement, handle all three special cases in the same
5439 manner as they all have the same desired solution. No longer
5440 special case edge flag updating when the post dominator is
5443 2006-02-08 Roger Sayle <roger@eyesopen.com>
5445 * tree.def (CHAR_TYPE): Remove.
5446 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5447 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5448 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5449 (gen_string_type_die): Delete unreachable function.
5451 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5452 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5453 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5454 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5455 * builtins.c (type_to_class): Likewise.
5456 * fold-const.c (fold_convert, build_range_check,
5457 merge_ranges): Likewise.
5458 * expr.c (count_type_elements): Likewise.
5459 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5460 * stor-layout.c (layout_type): Likewise.
5461 * ipa-type-escape.c (type_to_consider): Likewise.
5462 * gimplify.c (omp_firstprivatize_type_sizes,
5463 gimplify_type_sizes): Likewise.
5464 * explow.c (promote_mode): Likewise.
5465 * tree-sra.c (is_sra_scalar_type): Likewise.
5466 * varasm.c (output_constant): Likewise.
5467 * tree-inline.c (remap_type_1): Likewise.
5468 * convert.c (convert_to_pointer, convert_to_real,
5469 convert_to_integer, convert_to_complex): Likewise.
5471 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5473 * df-scan.c (df_def_record_1): A set destination may
5474 be a parallel regardless of mode.
5476 2006-02-08 Roger Sayle <roger@eyesopen.com>
5479 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5480 * config/mips/_tilib.c: Remove.
5481 * config/fixtfdi.c: New libgcc source file.
5482 * config/fixunstfdi.c: New source file.
5483 * config/floatditf.c: New source file.
5484 * config/floatunditf.c: New souce file.
5485 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5486 files above instead of config/mips/_tilib.c.
5487 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5489 2006-02-08 Jeff Law <law@redhat.com>
5491 PR tree-optimization/26169
5492 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5495 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5497 * df.h (DF_REG_SIZE): Return the length of the initialized
5500 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5502 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5503 __muldf3): Return a correctly signed zero.
5505 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5507 * passes.c (register_one_dump_file): Accept the current properties
5508 instead of pass number. Adjust call to dump_register. Remove
5510 (register_dump_files): Now a wrapper around...
5511 (register_dump_files_1): ... this one. Do not modify the pass
5513 (next_pass_1): Cosmetic fix.
5514 (execute_todo): Keep second parameter only. Use curr_properties
5515 instead of fetching it from the pass structure. Check and set
5517 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5518 instead of fetching it from the pass structure. Fix calls to
5519 execute_todo. Update curr_properties and initialize .vcg RTL dump
5520 after running the pass. Reset last_verified.
5521 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5523 (FIRST_AUTO_NUMBERED_DUMP): New.
5524 (dump_register): Remove "num" parameter, assign it within the
5526 (get_dump_file_name): Modify template for dumps.
5527 * tree-dump.h (dump_register): Adjust prototype.
5528 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5529 (PROP_trees): Add PROP_gimple_lomp.
5530 (TODO_set_props): New.
5531 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5532 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5533 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5535 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5537 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5538 (sparc64-*-linux*): Likewise.
5539 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5540 * config/sparc/t-linux: New file.
5541 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5542 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5543 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5544 -m32 -mlong-double-128.
5546 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5547 * config/alpha/t-linux: New file.
5548 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5550 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5551 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5552 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5553 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5554 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5555 (CPP_ARCH32_SPEC): Remove.
5557 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5559 PR tree-optimization/26145
5560 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5563 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5566 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5567 >= 240000 when generating code for SOM runtime.
5568 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5569 to $$dyncall when generating code for SOM runtime..
5571 2006-02-07 Dirk Mueller <dmueller@suse.com>
5574 * doc/invoke.texi (-Wsequence-point): Update documentation
5575 that -Wsequence-point is implemented for C++ as well.
5577 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5579 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5580 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5581 (LIB_SPEC): Likewise.
5582 * doc/invoke.texi (SPARC options): Document -pthread.
5584 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5586 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5589 2006-02-07 Roger Sayle <roger@eyesopen.com>
5591 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5592 Correct comment describing BOOLEAN_TYPE.
5594 2006-02-07 Dirk Mueller <dmueller@suse.com>
5596 * c.opt: C++ frontend supports -Wdiv-by-zero.
5597 * c-opts.c (c_common_handle_option): Remove dead case.
5599 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5601 * configure.ac (TLS assembler check): Do not enable TLS by
5602 default on SPARC/Solaris before version 10.
5603 * configure: Regenerate.
5605 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5607 * doc/invoke.texi (xl-compat): Document conversion and support
5610 2006-02-07 Jeff Law <law@redhat.com>
5612 * tree-vrp.c (find_conditional_asserts): Update comments.
5613 (simplify_stmt_for_jump_threading): New.
5614 (identify_jump_threads, finalize_jump_threads): New.
5615 (vrp_finalize): Call identify_jump_threads.
5616 (execute_vrp): Call finalize_jump_threads.
5617 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5618 (vrp_element, vrp_data, vrp_element_p): Remove.
5619 (vrp_hash_elt, vrp_variables_stack): Remove.
5620 (vrp_hash, vrp_eq, record_range): Remove.
5621 (simplify_cond_and_lookup_avail_expr): Remove.
5622 (extract_range_from_cond): Remove.
5623 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5624 (simplify_stmt_for_jump_threading): New.
5625 (dom_thread_across_edge): New wrapper.
5626 (tree_ssa_dominator_optimize): No longer initialize or
5627 finalize any of the VRP datastructures. Remove iteration
5628 step and simplify as a result of removal of iteration step.
5629 (pass_dominator): Perform a cfg cleanup after DOM.
5630 (dom_opt_finalize_block): Use the new common routines
5631 for threading jumps. Simplify stack management slightly.
5632 No longer need to unwind VRP state.
5633 (record_equivalences_from_incoming_edge): No longer record
5635 (eliminate_redundant_computations): No longer call
5636 simplify_cond_and_lookup_avail_expr.
5637 * tree-flow.h (potentially_threadable_block): Prototype.
5638 (thread_across_edge): Likewise.
5639 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5640 (tree-ssa-threadedge.o): Add dependencies.
5641 * tree-ssa-threadedge.c: New file.
5642 * passes.c (init_optimization_passes): Merge PHIs before
5643 calling VRP. Run VRP again late in the SSA optimization pipeline.
5645 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5647 * df-core.c (df_set_blocks): Do not dereference function pointers.
5648 (df_finish1): Likewise.
5649 (df_hybrid_search_forward): Likewise.
5650 (df_hybrid_search_backward): Likewise.
5651 (df_iterative_dataflow): Likewise.
5652 (df_analyze_problem): Likewise.
5653 (df_compact_blocks): Likewise.
5654 (df_dump): Likewise.
5655 * df-scan.c (df_rescan_blocks): Likewise.
5656 (df_record_entry_block_defs): Likewise.
5658 * genconditions.c (write_conditions): Guard the definition of
5659 'insn_conditions' with the check on GCC version.
5660 (write_writer): Guard the traversal 'insn_conditions' with
5661 the check on GCC version.
5663 2006-02-07 Richard Guenther <rguenther@suse.de>
5667 2006-01-30 Richard Guenther <rguenther@suse.de>
5669 * gimplify.c (gimplify_target_expr): Handle easy cases
5670 without creating a temporary.
5672 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5674 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5675 use of float in probability computations. Use edge probabilities
5676 in place of statically computed probabilities.
5677 (min_spec_prob): New static variable.
5678 (schedule_insns): Initialize it.
5679 (GET_SRC_PROB): Removed.
5680 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5682 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5685 * config/ia64/unwind-ia64.c: Revert last change.
5686 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5687 (INCOMING_FRAME_SP_OFFSET): Define.
5689 2006-02-06 Roger Sayle <roger@eyesopen.com>
5691 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5693 2006-02-07 Ben Elliston <bje@au.ibm.com>
5695 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5696 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5697 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5698 (ix86_return_in_memory): Handle TDmode.
5699 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5700 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5702 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5704 * reorg.c (dbr_schedule): Use dump_file instead of file.
5706 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5709 * config/ia64/predicates.md (extr_len_operand): New predicate.
5710 * config/ia64/ia64.md (extv): Tighten constraints.
5712 (*tbit_and_2): Ditto.
5713 (*tbit_and_3): Ditto.
5714 (*tbit_or_2): Ditto.
5715 (*tbit_or_3): Ditto.
5719 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5722 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5724 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5726 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5727 loop_optimizer_init and loop_optimizer_finalize
5728 * tree-ssa-sink.c (execute_sink_code): Ditto.
5729 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5730 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5731 tree_ssa_loop_done): Ditto.
5732 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5733 * sched-ebb.c: Include output.h.
5734 (schedule_ebbs): Do not use dump argument.
5735 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5736 * loop.c (loop_dump_stream): Removed.
5737 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5739 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5740 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5741 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5742 loop_iterations, strength_reduce, record_biv, record_giv,
5743 final_giv_value, check_final_value, check_ext_dependent_givs,
5744 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5745 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5746 dump_file instead of loop_dump_stream.
5747 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5749 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5751 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5752 * haifa-sched.c: Include output.h
5753 (schedule_insns, sched_init): Do not use dump argument.
5754 * mode-switching.c (optimize_mode_switching): Ditto.
5755 * modulo-sched.c (stats_file): Removed.
5756 (print_node_sched_params): Do not call argument dump_file.
5757 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5758 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5760 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5762 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5763 rtl_loop_init, rtl_loop_done): Ditto.
5764 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5765 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5767 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5768 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5769 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5770 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5771 * emit-rtl.c (renumber_insns): Ditto.
5772 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5773 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5774 * regclass.c (regclass): Ditto.
5775 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5776 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5777 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5778 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5780 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5781 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5783 * gcse.c (gcse_file, debug_stderr): Removed.
5784 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5785 rest_of_handle_gcse): Do not use dump argument.
5786 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5787 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5788 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5789 compute_code_hoist_vbeinout, compute_code_hoist_data,
5790 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5791 compute_store_table, build_store_vectors, insert_insn_start_bb,
5792 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5793 store_motion): Use dump_file instead of gcse_file.
5794 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5795 * profile.c (profile_dump_file): Removed.
5796 (branch_prob): Use dump_file instead of profile_dump_file.
5797 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5799 * tree-ssa-copy.c (dump_copy_of): Ditto.
5800 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5801 dump file to life_analysis.
5802 * bt-load.c (branch_target_load_optimize): Ditto.
5803 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5805 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5806 regclass, dbr_schedule): Declaration changed.
5807 * sched-int.h (sched_init): Declaration changed.
5808 * tree-profile.c (tree_profile_dump_file): Removed.
5809 (tree_profile_hooks): Removed profile_dump_file hook.
5810 * rtl-profile (rtl_profile_dump_file): Removed.
5811 (rtl_profile_hooks): emoved profile_dump_file hook.
5812 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5814 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5815 * tree-cfg.c (build_tree_cfg): Ditto.
5816 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5817 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5818 Declaration changed.
5819 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5820 life_analysis and schedule_insns.
5821 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5823 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5825 * config/mips/mips.c (mips_reorg): Ditto.
5826 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5829 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5831 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5832 (s390_mangle_fundamental_type): New.
5833 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5836 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5837 (alpha_mangle_fundamental_type): New.
5838 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5841 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5843 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5845 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5846 (sparc_mangle_fundamental_type): New.
5848 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5850 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5851 (s390x-*-linux*): Likewise.
5852 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5853 * config/s390/t-linux: New file.
5855 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5857 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5858 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5860 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5862 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5863 (ANTIC_SAFE_LOADS): New macro.
5864 (find_or_generate_expression): Add prototype.
5865 (set_contains_value): Allow null set for sake of not always having
5866 to allocate ANTIC_SAFE_LOADS.
5867 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5868 Allow COMPONENT_REF too.
5869 (valid_in_set): Allow COMPONENT_REF.
5870 Check ANTIC_SAFE_LOADS too.
5871 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5872 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5874 (can_PRE_operation): Add COMPONENT_REF.
5875 (create_component_ref_by_pieces): New function.
5876 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5877 (insert_aux): Move AGGREGATE_TYPE_P check here.
5878 (compute_avail): Set bb local stmt uids.
5879 (pass_pre): Use TODO_update_ssa_only_virtuals.
5881 2006-02-06 Ben Elliston <bje@au.ibm.com>
5883 * configure.ac: Unconditionally disable decimal float by default.
5884 * configure: Regenerate.
5886 2006-02-06 Ben Elliston <bje@au.ibm.com>
5888 * read-rtl.c (read_name): Terminate reading on EOF.
5890 2006-02-06 Ben Elliston <bje@au.ibm.com>
5892 * dfp.c (decimal_real_arithmetic): Change second argument type
5893 from int to enum tree_code. Do not always return true, but now
5894 return result of any call to decimal_do helper functions.
5895 * dfp.h (decimal_real_arithmetic): Update prototype.
5897 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5899 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5901 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5904 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5907 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5909 * tree-vrp.c (cfg_loops): Removed.
5910 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5911 Use current_loops instead of cfg_loops. Pass flags to
5912 loop_optimizer_init.
5913 * cfgloopmanip.c (fix_loop_structure): Update only available
5915 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5916 loop_optimizer_init.
5917 * modulo-sched.c (build_loops_structure): Removed.
5918 (sms_schedule): Use loop_optimizer_init.
5919 * loop-init.c (loop_optimizer_init): Use flags to determine
5920 which properties of loops to prepare.
5921 (rtl_loop_init): Pass flags to loop_optimizer_init.
5922 * tree-ssa-sink.c (execute_sink_code): Ditto.
5923 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5924 * tree-ssa-pre.c (init_pre): Ditto.
5925 * cfgloop.h (LOOPS_NORMAL): New.
5926 (loop_optimizer_init): Declaration changed.
5928 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5930 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5931 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5933 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5935 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5937 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5938 * pa/t-pa64: Delete quadlib.c rule.
5939 * pa/x-ada: Revert last change.
5940 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5942 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5944 PR rtl-optimization/26087
5945 * rtlanal.c (canonicalize_condition): Do not cross basic block
5948 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5951 * config/ia64/ia64.c: Include debug.h.
5952 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5953 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5954 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5955 (process_epilogue, process_set, process_for_unwind_directive):
5956 Output unwind info only if requested. Add CFA info if requested.
5957 Add new arguments as needed. Adjust callers.
5958 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5960 (DWARF2_FRAME_INFO): Define to zero.
5961 * config/ia64/unwind-ia64.c: Remove code that compensated for
5962 the CFA offset error fixed above.
5963 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5964 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5965 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5966 -funwind-tables and -fexceptions to enable frame info.
5967 (dwarf2out_frame_init): Define initial CFA even if
5968 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5969 DWARF2_UNWIND_INFO is nonzero, not just defined.
5970 (dwarf2out_frame_finish): Output non-EH call frame info only
5971 if DWARF2_FRAME_INFO is nonzero.
5972 (convert_cfa_to_loc_list,
5973 compute_frame_pointer_to_cfa_displacement): Define even if
5974 unwind info is not supported.
5975 (gen_subprogram_die): Use the above unconditionally. Remove
5976 legacy alternate code.
5977 * toplev.c (compile_file): Compile in call to
5978 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5979 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5981 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5982 Jakub Jelinek <jakub@redhat.com>
5984 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5985 IBM extended float format long double as "g" on powerpc*-linux.
5987 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5990 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5991 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5993 2006-02-03 Jason Merrill <jason@redhat.com>
5996 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5999 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6000 on the return slot if it's an NRV.
6002 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6004 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6005 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6006 rewrite_use): Do not handle USE_OUTER.
6007 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6008 add_iv_outer_candidates, may_replace_final_value,
6009 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6010 (find_interesting_uses_op): Functionality of
6011 find_interesting_uses_outer_or_nonlin moved here.
6012 (find_interesting_uses_outside): Use find_interesting_uses_op.
6014 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6017 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6019 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6020 Ulrich Weigand <uweigand@de.ibm.com>
6023 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6024 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6025 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6026 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6028 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6029 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6030 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6031 Define secondary reloads for TFmode moves.
6032 (constant_modes): Add TFmode.
6033 (NR_C_MODES): Set to 8.
6034 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6036 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6037 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6038 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6039 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6040 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6041 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6042 (FPR mode macro): Add TFmode.
6043 (DSF mode macro): New.
6044 (<de>, <dee> mode attributes): Removed.
6045 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6046 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6047 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6048 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6049 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6050 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6051 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6052 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6053 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6054 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6055 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6056 "*negabs<mode>2", "sqrt<mode>2"):
6057 Changed <de> to <xde>. R constraint replaced by <Rf>.
6058 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6060 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6061 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6062 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6064 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6065 "extenddftf2", "extendsftf2"): New expanders.
6066 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6067 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6068 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6069 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6071 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6072 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6073 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6074 __floatditf): Add a GCC_4.1.0 symbol version tag.
6075 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6078 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6081 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6082 Use targetm.binds_local_p instead of TREE_PUBLIC.
6084 2006-02-02 Roger Sayle <roger@eyesopen.com>
6086 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6087 on INTEGER_TYPEs to indicate that it denotes a character type.
6088 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6089 signed_char_type_node, unsigned_char_type_node and char_type_node.
6090 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6091 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6092 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6094 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6095 Daniel Berlin <dberlin@dberlin.org>
6097 * tree-tailcall.c (arg_needs_copy_p): New function.
6098 (eliminate_tail_call): Use arg_needs_copy_p.
6099 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6100 (add_virtual_phis): New function.
6102 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6104 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6105 #ignore instead of #scratch for %g7 .register directive.
6107 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6109 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6112 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6114 * flow.c (calculate_global_regs_live): Assert that there aren't any
6117 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6119 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6121 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6122 bsi_after_labels iterator.
6123 * tree-if-conv.c (find_phi_replacement_condition,
6124 replace_phi_with_cond_modify_expr): Likewise.
6125 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6126 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6128 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6130 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6132 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6135 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6136 array after growing it.
6138 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6141 * fold-const.c (fold_checksum_tree): Change type of buf.
6143 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6145 * reload.c (push_secondary_reload): Initialize t_icode.
6147 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6149 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6150 -msoft-float -mlong-double-128 only issue a warning, but don't
6151 swich to DFmode long double.
6153 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6155 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6156 has a constant equivalent, iterate over equivalents for arg0,
6157 calling simplify_relational_operation and if there's a result
6158 cheaper than X, apply fold_rtx and return the result.
6160 2006-02-01 Jan Hubicka <jh@suse.cz>
6162 * opts.c (no_unit_at_a_time_default): New global variable.
6163 (decode_options): Use it.
6164 * opts.h (no_unit_at_a_time_default): Declare.
6166 2006-02-01 Paul Brook <paul@codesourcery.com>
6168 * function.c (assign_parm_setup_reg): Use function argument promotion
6170 * expr.c (expand_expr_real_1): Use function argument promotion rules
6173 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6175 * gcc.c (process_command): Change j to 'unsigned int'.
6177 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6180 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6181 Use the corrected index for the character
6182 out of the string constant.
6184 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6186 * mode-switching.c (optimize_mode_switching): Fix size
6187 allocated for bb_info[n_entities].
6189 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6191 * gcc.c (main): Correct type that is allocated for
6192 explicit_link_files.
6194 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6196 * config/s390/s390.c (init_alignment_context): Set
6197 ALIAS_SET_MEMORY_BARRIER on the MEM.
6198 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6200 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6203 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6205 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6208 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6210 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6211 * regrename.c: Ditto.
6212 * tree-ssa-loop-im.c: Ditto.
6213 * tree-dump.c: Ditto.
6214 * tree-complex.c: Ditto.
6215 * genrecog.c: Ditto.
6216 * tree-ssa-threadupdate.c: Ditto.
6218 * java/class.c: Ditto.
6219 * java/jcf-parse.c: Ditto.
6220 * java/resource.c: Ditto.
6221 * java/except.c: Ditto.
6222 * java/jvspec.c: Ditto.
6223 * java/jcf-write.c: Ditto.
6224 * java/jcf-path.c: Ditto.
6225 * java/gjavah.c: Ditto.
6226 * java/zextract.c: Ditto.
6227 * java/jcf-io.c: Ditto.
6228 * java/jcf.h: Ditto.
6229 * java/buffer.c: Ditto.
6230 * java/lang.c: Ditto.
6231 * java/parse-scan.y: Ditto.
6232 * java/lex.c: Ditto.
6233 * java/lex.h: Ditto.
6234 * cfgloopmanip.c: Ditto.
6235 * postreload-gcse.c: Ditto.
6236 * tree-ssa-loop-manip.c: Ditto.
6237 * postreload.c: Ditto.
6238 * tree-ssa-loop-ch.c: Ditto.
6242 * diagnostic.c: Ditto.
6244 * genoutput.c: Ditto.
6246 * cfghooks.c: Ditto.
6247 * cfgloopanal.c: Ditto.
6248 * objc/objc-act.c: Ditto.
6250 * genextract.c: Ditto.
6251 * genautomata.c: Ditto.
6252 * pretty-print.c: Ditto.
6254 * cgraphunit.c: Ditto.
6257 * haifa-sched.c: Ditto.
6258 * dominance.c: Ditto.
6260 * tree-ssa-loop-ivopts.c: Ditto.
6262 * mode-switching.c: Ditto.
6263 * modulo-sched.c: Ditto.
6265 * ipa-pure-const.c: Ditto.
6267 * fix-header.c: Ditto.
6269 * tree-stdarg.c: Ditto.
6270 * ipa-utils.c: Ditto.
6271 * loop-init.c: Ditto.
6272 * ipa-inline.c: Ditto.
6275 * alloc-pool.c: Ditto.
6276 * dwarf2out.c: Ditto.
6278 * genattrtab.c: Ditto.
6279 * tree-ssa-loop-ivcanon.c: Ditto.
6283 * fortran/gfortranspec.c: Ditto.
6285 * local-alloc.c: Ditto.
6286 * langhooks.c: Ditto.
6287 * function.c: Ditto.
6288 * tree-vectorizer.c: Ditto.
6290 * ipa-type-escape.c: Ditto.
6292 * tree-if-conv.c: Ditto.
6295 * tree-data-ref.c: Ditto.
6296 * loop-unroll.c: Ditto.
6297 * treelang/treetree.c: Ditto.
6300 * ggc-common.c: Ditto.
6302 * coverage.c: Ditto.
6304 * tree-cfgcleanup.c: Ditto.
6305 * tree-ssa-pre.c: Ditto.
6306 * cfgcleanup.c: Ditto.
6307 * loop-invariant.c: Ditto.
6309 * ipa-prop.c: Ditto.
6310 * print-tree.c: Ditto.
6311 * conflict.c: Ditto.
6312 * ggc-page.c: Ditto.
6313 * sched-deps.c: Ditto.
6314 * regclass.c: Ditto.
6315 * tree-object-size.c: Ditto.
6317 * bb-reorder.c: Ditto.
6318 * resource.c: Ditto.
6319 * var-tracking.c: Ditto.
6321 * df-problems.c: Ditto.
6322 * reg-stack.c: Ditto.
6325 * sched-rgn.c: Ditto.
6326 * tree-ssa-structalias.c: Ditto.
6327 * tree-ssa-reassoc.c: Ditto.
6328 * config/darwin-c.c: Ditto.
6329 * config/darwin.c: Ditto.
6330 * config/arm/arm.c: Ditto.
6332 * collect2.c: Ditto.
6335 2006-01-31 Nicolas Pitre <nico@cam.org>
6337 * arm.md (smaxsi3): Make aware of smax_m1.
6340 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6342 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6344 2006-01-31 Richard Guenther <rguenther@suse.de>
6346 * doc/invoke.texi (-msselibm): Document.
6347 * target.h (expand_library_builtin): New target hook.
6348 * builtins.c (expand_builtin): Use expand_library_builtin.
6349 (default_expand_library_builtin): New function.
6350 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6351 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6352 (link_gcc_math_spec): Declare.
6353 (static_specs): Add link_gcc_math_spec.
6354 * expr.h (default_expand_library_builtin): Declare.
6355 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6356 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6357 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6358 * config/i386/i386.opt (msselibm): New target option.
6359 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6360 (ix86_init_sse_abi_builtins): New function.
6361 (ix86_expand_library_builtin): Likewise.
6362 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6363 (override_options): Handle error conditions wrt -msselibm.
6364 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6365 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6366 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6369 2006-01-31 Richard Guenther <rguenther@suse.de>
6370 Paolo Bonzini <bonzini@gnu.org>
6372 * doc/install.texi (--disable-libgcc-math): Document.
6374 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6376 * expr.h (expand_normal): new inline function.
6377 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6379 * dwarf2out.c: use it.
6384 * config/sparc/sparc.c: use it.
6385 * config/i386/i386.c: use it.
6386 * config/rs6000/rs6000.c: use it.
6387 * config/arm/arm.c: use it.
6388 * config/mips/mips.c: use it.
6389 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6391 2006-01-30 Roger Sayle <roger@eyesopen.com>
6393 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6394 argv to the appropriate type.
6396 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6398 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6401 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6404 * config/s390/s390.c (struct machine_function): New flag
6405 decomposed_literal_pool_addresses_ok_p.
6406 (s390_reorg): Set it before final stage of literal pool transforms.
6407 (s390_decompose_address): Only accept displacements of the form
6408 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6410 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6412 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6413 the comparison routine return.
6415 2006-01-30 Michael Matz <matz@suse.de>
6417 * global.c (find_reg): Only evict for global regs.
6418 Take n_refs into account and dump more info.
6420 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6423 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6424 (pragma_trap, pragma_nosave_low_regs): Likewise.
6425 (current_function_anonymous_args): Likewise.
6426 (sh_deferred_function_attributes): New variable.
6427 (sh_deferred_function_attributes_tail): Likewise.
6428 (print_operand): For '@', look up trap_exit attribute.
6429 (calc_live_regs): Look up trapa_handler attribute. For trapa
6430 handlers, save/restore fpscr, but don't do any other
6431 interrupt-specific saves.
6432 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6433 Fix check for partially saved registers to check for SHmedia.
6434 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6435 (sh_output_function_epilogue): Don't clear any of the removed
6437 (sh_insert_attributes): Don't check pragma_interrupt.
6438 Insert deferred attributes. Check that interrupt attribute is
6439 present for other attributes that require its presence.
6440 (sh_attribute_table): Add new attributes trapa_handler and
6442 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6443 Don't check for pragma_interrupt. Don't store argument.
6444 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6445 (sh_deferred_function_attributes): Declare.
6446 (sh_deferred_function_attributes_tail): Likewise.
6447 * sh.md (sp_switch_1): Add operand. Change generator caller.
6448 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6449 (*return_i): Don't use when trap_exit attribute is in effect.
6450 (*return_trapa): New insn pattern.
6452 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6453 setting c_target_objs and cxx_target_objs.
6454 * t-sh: Add rule for sh-c.o.
6456 2006-01-30 Richard Guenther <rguenther@suse.de>
6459 * gimplify.c (gimplify_target_expr): Handle easy cases
6460 without creating a temporary.
6462 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6464 * vec.h (safe_grow): Remove duplicated line.
6466 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6469 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6470 (expand_omp): ... here.
6471 (expand_omp_parallel): Only remove barriers for combined
6472 parallel+workshare constructs.
6474 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6478 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6479 * tree.c (build_qualified_type): Chain the new type to the original
6480 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6481 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6482 (build_pointer_type_for_mode): Only return unqualified types.
6483 (build_reference_type_for_mode): Likewise.
6485 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6487 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6488 * Makefile.in (CXX_COMPAT_WARN): Define.
6489 * configure: Regenerate.
6491 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6494 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6497 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6499 * toplev.c: Fix thinko.
6501 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6502 Marcin Dalecki <martin@dalecki.de>
6504 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6505 (push_srcloc): Use XNEW.
6506 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6508 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6510 * df-core.c (df_set_blocks): Deleted all variable.
6512 2006-01-28 Ian Lance Taylor <ian@airs.com>
6514 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6515 cgraph_output_pending_asms.
6517 2006-01-28 Zack Weinberg <zackw@panix.com>
6519 * c.opt: Add -W(no-)overlength-strings.
6520 * doc/invoke.texi: Document it.
6521 * c-opts.c (c_common_handle_option): -pedantic implies
6522 -Woverlength-strings, if not explicitly disabled already.
6523 (c_common_post_options): -Woverlength-strings defaults to off, and
6524 is always off for C++.
6525 * c-common.c (fix_string_type): Issue warning about strings longer
6526 than is portable only if warn_overlength_strings. Rearrange code
6527 a little for clarity.
6528 * configure.in: Check for -Wno-overlength-strings as well before
6529 enabling -pedantic in stage 1.
6530 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6531 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6533 * genconditions.c (write_header, write_one_condition)
6534 (write_conditions, write_writer): Consolidate very long strings
6535 that were broken up to fit in C89 portable limit. Don't use
6536 printf when fputs will do.
6538 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6540 * combine.c (simplify_comparison <AND>): Check
6541 TRULY_NOOP_TRUNCATION before start using a subreg.
6543 * config/mips/mips.md (*branch_zero<mode>,
6544 *branch_zero<mode>_inverted, *branch_equality<mode>,
6545 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6546 Remove mode check from comparisons.
6548 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6550 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6552 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6554 * expmed.c (const_mult_add_overflow_p): Remove.
6555 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6557 * recog.c (validate_replace_rtx_subexp): Remove.
6558 * recog.h: Remove the prototype for
6559 validate_replace_rtx_subexp.
6561 * integrate.h: Remove the prototype for
6562 copy_decl_for_inlining.
6563 * rtl.h: Remove the prototype for mark_constant_function.
6564 * tree-vectorizer.h: Remove the prototype for
6565 vect_strip_conversion.
6567 * modulo-sched.c (create_partial_schedule,
6568 free_partial_schedule, reset_partial_schedule): Make them
6571 * hooks.c (hook_bool_rtx_int_false): Remove.
6572 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6574 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6576 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6577 and -mlong-double-128 are incompatible.
6578 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6579 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6580 (TARGET_LIBGCC2_CFLAGS): Define.
6581 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6582 (TARGET_LIBGCC2_CFLAGS): Same.
6583 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6585 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6588 * c-typeck.c (build_binary_op): Perform implicit casts of
6589 operands before shortening them.
6591 * cfgloopmanip.c (split_loop_bb): Remove.
6592 * cfgloop.h: Remove the prototype for split_loop_bb.
6594 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6595 * cfgloop.h: Remove the prototype for
6596 flow_loop_outside_edge_p.
6598 * emit-rtl.c (init_virtual_regs): Make it static.
6599 * function.h: Remove the prototype for init_virtual_regs.
6601 * recog.c (peephole2_optimize): Make it static.
6602 * recog.h: Remove the prototype for peephole2_optimize.
6604 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6606 * df-scan.c (df_record_entry_block_defs): Check if
6607 INCOMING_RETURN_ADDR_RTX is defined.
6609 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6610 Kenneth Zadeck <zadeck@naturalbridge.com>
6612 PR rtl-optimization/24762
6613 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6614 * targhooks.c (hook_void_bitmap): New hook prototype.
6615 * targhoohs.h (hook_void_bitmap): Ditto.
6616 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6617 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6618 * target.h (live_on_entry): New function pointer.
6619 * df-scan.c (df_all_hard_regs): Removed.
6620 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6621 (df_scan_free_internal): Added df->entry_block_defs.
6622 (df_scan_alloc): Ditto.
6623 (df_scan_dump): Ditto.
6624 (df_uses_record): Plumbed flag field properly thru calls.
6625 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6626 This part fixes PR24762.
6627 (df_bb_refs_record): Added code to make the frame and arg
6628 pointers live in EH blocks.
6629 (df_refs_record): Added call to df_record_entry_block_defs.
6630 (df_record_entry_block_defs): New function.
6631 * df-core.c: Added comments to describe new artifical defs.
6632 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6633 (entry_block_defs): New field in struct df.
6634 (df_all_hard_regs): Deleted.
6635 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6636 * df-problems.c (df_ru_bb_local_compute_process_def):
6637 Added code to handle artifical defs in the entry to a function.
6638 (df_ru_bb_local_compute): Ditto.
6639 (df_rd_bb_local_compute_process_def): Ditto.
6640 (df_rd_bb_local_compute): Ditto.
6641 (df_lr_bb_local_compute): Ditto.
6642 (df_ur_bb_local_compute): Ditto.
6643 (df_urec_bb_local_compute): Ditto.
6644 (df_chain_create_bb): Ditto.
6645 (df_ur_local_finalize): Removed entry.
6646 (df_urec_init): Ditto.
6647 (df_urec_local_finalize): Ditto.
6648 (df_ri_bb_compute): Added detection of last use of pseudos.
6649 * Makefile.in (df-scan.o): Updated dependencies.
6650 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6651 * config/mips/mips.c (mips_set_live_on_entry): Added.
6652 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6654 * dce.c (marked_insn_p): Added code to handle artifical defs.
6656 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6658 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6660 (_mm_cvtsi128_si64): Likewise.
6661 (_mm_cvtsd_si64): Likewise.
6662 (_mm_cvttsd_si64): Likewise.
6663 (_mm_cvtsi64_sd): Likewise.
6664 (_mm_cvtsi64_si128): Likewise.
6665 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6666 (_mm_cvtsi64_m64): Likewise.
6667 (_m_to_int64): Likewise.
6668 (_mm_cvtm64_si64): Likewise.
6669 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6670 (_mm_cvttss_si64): Likewise.
6671 (_mm_cvtsi64_ss): Likewise.
6672 (_mm_cvtss_f32): Likewise.
6674 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6676 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6677 for pragma redefine_extname.
6679 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6682 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6683 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6684 -mno-minimal-toc to previous content.
6685 (bispecs): Remove goal.
6686 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6687 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6688 compatibility aliases on powerpc-*-*gnu*.
6689 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6690 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6691 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6692 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6693 (ldblspecs): New goal.
6694 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6695 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6697 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6698 L_sf_to_tf or L_df_to_tf is defined.
6700 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6701 Alan Modra <amodra@bigpond.net.au>
6704 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6705 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6706 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6707 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6708 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6709 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6710 (rs6000_override_options): Initialize rs6000_ieeequad.
6711 Initialize TFmode format to ibm_extended_format if not
6713 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6715 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6716 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6717 (function_arg_advance): IBM long double passed in two FPRs, not
6719 (function_arg): IBM long double passed in FPRs.
6720 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6721 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6722 Only multireg GPR aligned.
6723 (rs6000_init_libfuncs): Enable IBM long double functions if not
6725 (rs6000_generate_compare): Use IBM long double compare if not
6727 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6728 (TARGET_IEEEQUAD): Define.
6729 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6730 not TARGET_IEEEQUAD.
6731 * config/rs6000/rs6000.md: Enable TFmode patterns if
6733 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6734 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6735 and -mlong-double-128 are incompatible.
6736 * doc/invoke.texi (-mabi): Collect options together. Add
6737 ibmlongdouble and ieeelongdouble.
6739 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6741 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6743 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6744 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6745 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6746 * rtl.h (rtunion_def): Remove rt_ptr.
6748 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6749 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6750 * config/i386/winnt.c (i386_pe_mark_dllexport)
6751 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6753 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6755 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6757 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6761 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6762 pthread_key_delete. From John David Anglin. gthrw-ify
6763 pthread_getunique_np only if it it's not a macro. Delete
6765 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6766 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6767 __gthread_objc_condition_signal, __gthread_key_delete): Add
6768 "__attribute__ ((__unused__))" to unused arguments.
6769 (__gthread_recursive_mutex_init_function): Add missing return.
6770 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6771 gthr-posix95.h: Use macro-based approach for name redirection
6772 on targets missing weakref.
6774 2006-01-26 Zack Weinberg <zackw@panix.com>
6776 * genconditions.c (write_header): In generated code, #ifdef out
6777 all includes and fake declarations, except includes of bconfig.h
6778 and system.h, unless GCC_VERSION >= 3001. Do not include
6779 gensupport.h in any case.
6780 (write_conditions): Generate a definition of struct c_test. Add
6781 a comment to the generated #endif.
6782 (write_one_condition): Escape backslashes in string too.
6783 (write_writer): Generated code must escape backslashes and quote
6784 marks (but not newlines) in the strings it writes.
6785 * Makefile.in (build/gencondmd.o): Update dependencies.
6787 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6790 * Makefile.in (insn-automata.o): Add header file dependencies.
6791 * genautomata.c: Add includes.
6793 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6796 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6798 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6800 * configure.ac: Expect target tools paths to be passed from the toplevel
6801 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6803 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6805 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6808 * c.opt (Wpointer-sign): Init to -1.
6809 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6810 OPT_pedantic, to 0 otherwise.
6811 * doc/invoke.texi: Update.
6813 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6815 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6816 constants provided by 80387 instructions in the destination mode.
6818 2006-01-26 Richard Guenther <rguenther@suse.de>
6819 Andrew Pinski <pinskia@physics.uc.edu>
6822 partial PR tree-opt/17064
6823 * tree-ssa-structalias.c (intra_create_variable_infos):
6824 Create heap variables for incoming parameters if
6825 flag_argument_noalias > 1.
6826 (find_what_p_points_to): Look through default defs of
6829 2006-01-26 Jeff Law <law@redhat.com>
6832 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6833 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6834 within the VR_RANGE, use the VR_RANGE as the result, not the
6836 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6837 bounds for the type.
6839 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6841 * tree-ssa-alias.c (maybe_create_global_var): Change
6842 subvar walking to an assertion that we don't have subvar'd variables.
6844 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6847 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6848 Use a new variable, inner. PARM_DECLs are always non-weak.
6850 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6852 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6855 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6857 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6859 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6861 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6862 (smax_insn, smin_insn, smax_0, smin_0): New.
6864 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6867 * config/cris/cris.c (cris_order_for_addsi3): New function.
6868 * config/cris/cris-protos.h: Prototype it.
6869 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6870 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6871 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6872 (split for "op.S1 [rx=rx+i],ry (swapped)")
6873 (split for "op(s|u).S1 [rx=rx+i],ry")
6874 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6875 Apply cris_order_for_addsi3 when generating addsi3 insns.
6877 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6879 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6880 (TREE_BLOCK): Add call to EXPR_CHECK.
6882 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6885 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6886 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6887 (dump_omp_clauses): ... here.
6888 (dump_generic_node): Handle OMP_CLAUSE.
6889 * tree.c (omp_clause_num_ops): New.
6890 (omp_clause_code_name): New.
6891 (tree_code_size): Handle OMP_CLAUSE.
6892 (tree_size): Likewise.
6893 (make_node): Document handling of OMP_CLAUSE.
6894 (tree_node_structure): Handle OMP_CLAUSE.
6895 (omp_clause_check_failed): New.
6896 (omp_clause_range_check_failed): New.
6897 (omp_clause_operand_check_failed): New.
6898 (build_omp_clause): New.
6899 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6900 * tree.h (enum omp_clause_code): Declare.
6901 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6902 (OMP_CLAUSE_RANGE_CHECK): Define.
6903 (OMP_CLAUSE_ELT_CHECK): Define.
6904 (omp_clause_check_failed): Declare.
6905 (omp_clause_operand_check_failed): Declare.
6906 (omp_clause_range_check_failed): Declare.
6907 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6908 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6909 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6910 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6911 (OMP_CLAUSE_IF_EXPR): Likewise.
6912 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6913 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6914 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6915 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6916 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6917 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6918 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6919 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6920 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6921 (OMP_CLAUSE_CODE): Define.
6922 (OMP_CLAUSE_SET_CODE): Define.
6923 (OMP_CLAUSE_CODE): Define.
6924 (OMP_CLAUSE_OPERAND): Define.
6925 (struct tree_omp_clause): Declare.
6926 (union tree_node): Add field 'omp_clause'.
6927 * treestruct.def (TS_OMP_CLAUSE): Define.
6928 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6929 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6930 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6931 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6932 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6933 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6934 (OMP_CLAUSE): Define.
6935 * print-tree.c (print_node): Handle OMP_CLAUSE.
6936 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6937 * c-typeck.c: Likewise.
6938 * gimplify.c: Likewise.
6939 * c-omp.c: Likewise.
6940 * tree-nested.c: Likewise.
6941 * tree-inline.c: Likewise.
6942 * c-parser.c: Likewise.
6943 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6946 2006-01-25 Roger Sayle <roger@eyesopen.com>
6948 PR rtl-optimization/25703
6949 * combine.c (try_combine): Handle zero_extract and strict_low_part
6950 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6952 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6954 * global.c: Fix comment typos.
6956 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6959 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6960 Use output_addr_const instead of assemble_name.
6962 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6964 * Makefile.in (sched-vis.o): Update dependencies.
6965 * haifa-sched.c (sched_finish): Clear current_sched_info.
6966 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6967 (dump_flow_info): Call it.
6968 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6970 * basic-block.h (dump_bb_info): Declare.
6971 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6972 option, and apply options only for dump files whose TDF_RTL,
6973 TDF_TREE, or TDF_IPA bits match.
6974 * rtl.h: Declare new functions exported from sched-vis.c.
6975 * sched-vis.c: Enable also if scheduling is not used.
6976 (print_value): Print the mode of registers if not inside scheduling.
6977 (print_insn): Make it work outside the scheduler. Beautify the output
6979 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6981 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6983 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6984 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6985 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6986 depending on the value of CONSTANT_POOL_ADDRESS_P.
6987 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6989 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6990 rather than SYMBOL_REF_DECL.
6991 (rtx_constant_pool): Remove const_rtx_sym_htab.
6992 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6993 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6994 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6995 Remove handling of const_rtx_sym_htab.
6996 (find_pool_constant): Delete.
6997 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6998 rather than find_pool_constant.
6999 (get_pool_constant_for_function): Delete.
7000 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7002 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7003 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7004 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7005 (SYMBOL_REF_CONSTANT): New macro.
7006 (get_pool_constant_for_function): Delete.
7007 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7008 rather than SYMBOL_REF_DECL.
7009 (i386_pe_mark_dllimport): Likewise.
7010 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7011 rather than SYMBOL_REF_DECL.
7012 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7013 (machopic_indirect_call_target): Likewise.
7015 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7017 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7019 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7021 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7023 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7025 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7027 2006-01-24 David Daney <ddaney@avtrex.com>
7030 * configure.ac (enable_tls): New enable option.
7031 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7032 * configure: Regenerate.
7033 * doc/install.texi (--enable-tls): Document new option.
7034 (--disable-tls): Ditto.
7036 2006-01-24 Richard Henderson <rth@redehat.com>
7038 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7039 * alias.c (true_dependence): Respect it.
7040 (canon_true_dependence, write_dependence_p): Likewise.
7041 * builtins.c (get_builtin_sync_mem): Set it.
7043 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7045 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7048 2006-01-24 DJ Delorie <dj@redhat.com>
7050 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7051 for storing constants in single-bit bitfields.
7053 2006-01-25 Ben Elliston <bje@au.ibm.com>
7055 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7057 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7060 * tree-ssa-pre.c (phi_translate): Return NULL
7061 for AGGREGATE_TYPE's.
7063 2006-01-24 Zack Weinberg <zackw@panix.com>
7065 * genautomata.c (process_state_for_insn_equiv_partition):
7066 Use xcalloc for insn_arcs_array.
7067 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7068 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7070 2006-01-24 Richard Henderson <rth@redhat.com>
7072 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7075 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7077 PR rtl-optimization/25890
7078 PR rtl-optimization/25905
7079 * combine.c (expand_compound_operation, expand_field_assignment):
7080 Fail if the bitfield's final position is out of bounds.
7082 2006-01-24 Ian Lance Taylor <ian@airs.com>
7085 * cgraphunit.c (cgraph_output_in_order): Don't clear
7086 cgraph_asm_nodes until after asm strings have been output.
7088 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7090 * fix-header.c (read_scan_file): Add new parameter imultilib when
7091 calling register_include_chains.
7093 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7095 * omp-low.c: Update documentation.
7097 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7098 Daniel Berlin <dberlin@dberlin.org>
7102 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7103 return from the function.
7105 2006-01-22 Zack Weinberg <zackw@panix.com>
7107 * rtl.def (match_code): Add second argument.
7108 * genpreds.c (write_extract_subexp): New function.
7109 (write_match_code): Add path argument. Use write_extract_subexp.
7110 (write_predicate_expr): Pass path to write_match_code.
7111 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7112 not perform a mode test.
7113 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7114 a subexpression does not constrain the top-level code set.
7115 * read-rtl.c (read_rtx_variadic): New function.
7116 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7117 * doc/md.texi: Document new notation.
7118 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7119 (cmpsi_operand): ... here, using new notation.
7121 2006-01-22 Zack Weinberg <zackw@panix.com>
7123 * varray.c: Remove GENERATOR_FILE #ifdefs.
7125 2006-01-22 Zack Weinberg <zackw@panix.com>
7127 * genautomata.c (output_reserved_units_table): Emit nothing if
7128 description->query_units_num is zero. Remove extra blank line.
7129 (output_cpu_unit_reservation_p): Short circuit
7130 if description->query_units_num is zero.
7132 2006-01-22 Zack Weinberg <zackw@panix.com>
7134 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7135 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7136 nor any of the random handful of variables that used to be necessary
7137 when this program was linked with rtlanal.o. Prune set of forward
7138 function declarations.
7139 (struct attr_desc): Remove static_p field.
7140 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7141 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7142 (attr_string): Do not read the character one past the length of
7144 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7145 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7146 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7147 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7148 (make_automaton_attrs): New.
7149 (main): Do not call into genautomata. Call local gen_bypass
7150 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7151 Remove special case for insn_alts.
7152 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7153 varray.h (leftover from previous change). Prune set of forward
7154 function declarations. Remove state_alts fields from all
7155 structures. Remove state_alts_table from struct automaton.
7156 Make everything except main static. Do not maintain num_dfa_decls.
7157 Do not maintain state_alts fields of various structures.
7158 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7159 (add_arc): Remove state_alts argument. All callers updated.
7160 (output_reserved_units_table): Emit #ifdef here...
7161 (output_tables): ...not here. Don't generate state_alts tables.
7162 (expand_automata): Don't generate attributes.
7163 (write_automata): Don't generate state_alts functions.
7164 (main): New function.
7165 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7166 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7167 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7168 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7169 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7170 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7171 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7172 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7174 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7175 * genattrtab.h: Delete file.
7176 * Makefile.in (OBJS-common): Add insn-automata.o.
7177 (insn-automata.o): New rule.
7178 (simple_generated_c): Add insn-automata.c.
7179 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7180 (genprogmd): Add automata.
7181 (build/genattrtab): Needs no extra objects nor libraries.
7182 (build/genautomata): Needs build/vec.o and -lm.
7184 2006-01-22 Zack Weinberg <zackw@panix.com>
7186 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7187 (output_dfa_max_issue_rate, locked_states_num): Delete.
7188 (struct automaton): Add locked_states field.
7189 (output_dead_lock_vect): Save number of locked states in
7190 automaton->locked_states. If it is zero, don't print anything.
7191 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7192 (output_internal_dead_lock_func): Only test the dead_lock_vect
7193 for automata that have locked states.
7194 (output_statistics): Always print the number of locked states for
7195 each automaton. Calculate total number of locked states here.
7196 (write_automata): Don't call output_dfa_max_issue_rate.
7197 * genattrtab.c: Define length_unit_log as a const variable.
7198 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7199 max_insn_queue_index const.
7200 * final.c (length_unit_log): Declare const.
7201 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7203 2006-01-22 Zack Weinberg <zackw@panix.com>
7205 * genautomata.c: Include vec.h, not varray.h.
7206 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7207 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7208 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7209 VEC_* macros operating on appropriately typed vectors, or to
7210 malloced arrays when the size is known in advance. Const-ify
7211 many char* variables and function arguments. No functional changes.
7212 * Makefile.in (build/varray.o): Delete rule.
7213 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7214 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7216 2006-01-22 Zack Weinberg <zackw@panix.com>
7218 * gensupport.c: Define get_insn_name and record_insn_name here.
7219 (read_md_rtx): Call record_insn_name as appropriate.
7220 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7221 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7222 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7224 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7225 (BUILD_VARRAY): Delete.
7226 (genprognormal): Rename genprogmd. Fold in all programs from
7227 genprognoprint; also attrtab.
7228 (build/genattrtab): Just mention genautomata.o and varray.o.
7229 Reorganize a bit, add comments to make the categories clearer.
7231 2006-01-22 Zack Weinberg <zackw@panix.com>
7233 * genconditions.c (condition_table, add_condition): Delete.
7234 (write_conditions): Don't emit n_insn_conditions nor
7235 insn_elision_unavailable. Issue the gcc version #ifdef here,
7236 inside the table, with no #else clause ...
7237 (write_header): ...not here.
7238 (write_writer): New function.
7239 (main): Don't initialize condition_table. Use add_c_test.
7241 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7242 files on the command line.
7243 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7244 Return -1 if there is no entry in the table, don't abort.
7245 (add_c_test, traverse_c_tests): New functions.
7246 * gensupport.h (insn_elision_unavailable, insn_conditions)
7247 (n_insn_conditions): Delete declarations.
7248 (add_c_test, traverse_c_tests): Declare.
7249 * read-rtl.c: Include gensupport.h.
7250 (read_conditions): New function.
7251 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7252 (read_rtx_1): If we get EOF when we were looking for an initial
7253 open paren, return 0. Call read_conditions when appropriate.
7254 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7255 dummy-conditions.o. Eliminate references to insn-conditions.o,
7256 or change them to build/gencondmd.o, as appropriate. Remove
7257 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7258 from $(simple_generated_c). For all files remaining in those
7259 two lists, add insn-conditions.md to the generator command line.
7260 Give insn-constants.h/s-constants their own rules. Add rules
7261 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7262 (build/read-rtl.o): Depend on gensupport.h.
7263 (genprognormal): Include preds.
7264 (genprogearly): Rename genprognoprint; only difference is now that
7265 they don't link with $(BUILD_PRINT).
7266 * dummy-conditions.c: Delete.
7268 2006-01-22 Zack Weinberg <zackw@panix.com>
7270 * genextract.c: Don't include insn-config.h. Do include vec.h.
7271 Declare vectors of int, char, and locstr.
7272 (locstr): New typedef.
7273 (struct extraction): Make all array fields into bare pointers.
7274 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7275 (insn_code_number): Delete.
7276 (accum_extract): New struct.
7277 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7278 (gen_insn): Take insn_code_number as an argument. Use an
7279 accum_extract structure instead of loading data directly into
7280 a struct extraction, and having to know how big it might get.
7281 (walk_rtx): Operate entirely on an accum_extract structure.
7282 (print_path): Avoid unnecessary use of printf.
7283 (print_header): New function, split out of main. Distinguish
7284 more carefully between an unrecognizable insn and an insn that
7285 has the code number of a define_expand.
7286 (main): Pass insn_code_number to gen_insn. Call print_header
7287 only after parsing. Avoid unnecessary use of printf.
7288 * Makefile.in (build/vec.o): New rule.
7289 (build/genextract): Depend on build/vec.o.
7290 (build/genextract.o): Don't depend on insn-config.h.
7292 2006-01-22 Zack Weinberg <zackw@panix.com>
7294 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7295 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7296 practical. Eliminate per-generator-program link rules.
7298 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7301 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7302 with a call expr to ...
7303 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7305 2006-01-23 Richard Guenther <rguenther@suse.de>
7307 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7308 before make_edge with conditional EDGE_TRUE_VALUE.
7310 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7311 Jan Hubicka <jh@suse.cz>
7312 Richard Guenther <rguenther@suse.de>
7314 PR rtl-optimization/25654
7315 * cfgexpand.c (aggregate_contains_union_type): New function.
7316 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7317 for structure variables that contain a union type.
7319 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7321 * gengtype.c (new_structure): Return the structure.
7322 (create_option): Add an extra "next" argument.
7323 (create_field): New function.
7324 (adjust_field_rtx_def): Use create_option and create_field.
7325 Remove a now-unnecessary call to find_structure.
7326 (adjust_field_tree_def): Likewise.
7327 (note_yacc_type): Remove an unnecessary call to find_structure.
7328 * gengtype.h (new_structure): Return the structure.
7329 (create_option): Add an extra argument.
7330 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7331 (option): Adjust calls to create_option.
7333 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7335 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7337 2006-01-22 Paul Brook <paul@codesourcery.com>
7338 Peter Barada <peter@the-baradas.com>
7340 * config/m68k/m68k.md: Add Coldfire FPU support.
7341 Define FP mode macro and associated attributes.
7342 Use it for float mode patterns.
7343 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7344 (LIBCALL_VALUE): Use m68k_libcall_value.
7345 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7346 (m68k_function_value): Ditto.
7347 (emit_move_sequence): Ditto.
7348 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7349 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7350 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7351 (MULTILIB_EXCEPTIONS): Ditto.
7352 * config/m68k/m68k.opt: Add mcfv4e.
7353 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7354 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7355 (m68k_output_function_prologue): Save ColdFire FPU registers.
7356 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7357 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7358 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7359 ColdFire FPU registers.
7360 (m68k_libcall_value, m68k_function_value): New functions.
7361 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7362 (LIBCALL_VALUE): Use m68k_libcall_value.
7363 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7364 (MASK_COLDFIRE): Add MASK_CFV4E.
7365 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7366 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7367 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7368 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7369 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7370 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7371 * doc/invoke.tex: Document -mcfv4e on m68k.
7373 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7375 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7378 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7381 * c-opts.c (c_common_handle_option): Don't include
7382 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7383 * doc/invoke.texi (C++ Dialect Options): Document that
7384 -Wnon-virtual-dtor is no longer included in -Wall.
7386 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7388 * gcov.c (print_version), gcov-dump.c (print_version),
7389 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7392 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7394 * df-scan.c (problem_SCAN): Added NULL reset function.
7395 (df_scan_reset_blocks): Added code to call reset block function
7396 (df_bb_refs_delete) Fixed comment.
7397 (df_insn_refs_delete): Made tolerant of deleting non existent info
7398 for dataflow problems that need to be reset.
7399 * df-core.c (df_set_blocks): Ditto.
7400 * df.h (struct df_problem): Added reset_fun.
7401 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7402 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7403 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7404 functions to clear out all references to def-use or use-def chains.
7406 2006-01-21 Ben Elliston <bje@au.ibm.com>
7408 * varasm.c (assemble_real): Initialise data array.
7410 2006-01-20 Paul Brook <paul@codesourcery.com>
7412 Merge from csl-arm-branch.
7413 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7414 * config/arm/arm.md (movdi): Force operands[1] to a register
7415 if we have a non-register source.
7416 (*arm_movdi, *movdf_soft_insn): Require that one of the
7417 operands be a register.
7418 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7419 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7421 2006-01-20 DJ Delorie <dj@redhat.com>
7423 * varasm.c (initialize_constant_valid_p): Allow pointers
7424 initialized from integer constants of lesser precision.
7425 (output_constant): Allow non-int-sized pointer modes to be
7426 initialized from integer constants.
7428 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7431 * cppdefault.h (struct default_include): Add multilib flag.
7432 * cppdefault.c (cpp_include_defaults): Set it.
7433 * c.opt (-imultilib): New option.
7434 * c-opts.c (imultilib): New.
7435 (c_common_handle_option): Handle -imultilib.
7436 (c_common_post_options): Likewise.
7437 * c-incpath.c (add_standard_paths, register_include_chains):
7439 * c-incpath.h (register_include_chains): Add extra parameter.
7440 * gcc.c (do_spec_1): Generate -imultilib option.
7441 (The Specs Language): Update %I description.
7442 (process_command): Update copyright notice.
7443 * doc/cppopts.texi (-imultilib): Document.
7444 * doc/invoke.texi (-imultilib): Include in option summary.
7445 (%I): Update specs documentation.
7447 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7449 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7451 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7453 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7456 2006-01-20 Richard Guenther <rguenther@suse.de>
7457 Steven Bosscher <stevenb.gcc@gmail.com>
7459 PR rtl-optimization/24626
7460 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7461 EDGE_TRUE_VALUE if in RTL mode.
7464 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7465 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7467 2006-01-20 Dirk Mueller <dmueller@suse.com>
7470 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7471 instead of a special NOP marker.
7472 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7473 NOP marker handling.
7474 * c-common.h (empty_body_warning): Add forward declaration.
7475 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7476 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7478 2006-01-20 Paul Brook <paul@codesourcery.com>
7480 * Makefile.in (lang_checks): Keep going if mkdir fails.
7482 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7484 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7485 be able to clean out basic block when not necessary.
7486 (df_scan_free): Fixed to properly delete information if df is
7487 unused before calling df_finish.
7488 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7489 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7491 (df_bb_refs_delete): New function.
7492 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7493 * df-core.c (df_set_blocks): Added code to properly clean out
7494 unused blocks if they are not part of the blocks to consider.
7495 Added additional null check.
7496 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7497 be able to clean out basic block when not necessary
7498 * df.h (df_free_bb_function): Ditto.
7499 (df_bb_refs_delete): New function.
7500 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7501 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7502 basic block parameter to be able to clean out basic block when not
7504 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7505 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7506 Fixed to properly delete information if df is unused before
7509 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7511 PR rtl-optimization/25799
7512 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7513 Corrected confluence operator to remove bits from op2 before oring
7514 with op1 rather than removing bits from op1.
7515 (df_ru_transfer_function): Corrected test on wrong bitmap which
7516 caused infinite loop. Both of these problems were introduced in
7517 the dataflow rewrite.
7519 2006-01-19 DJ Delorie <dj@redhat.com>
7521 * reload1.c (find_reload_regs): Note the details of reload
7522 failures in the dump file.
7523 (spill_failure): Likewise.
7525 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7527 * loop-iv.c: Include df.h and hashtab.h.
7528 (enum iv_grd_result): New enum.
7529 (DF_REF_IV, DF_REF_IV_SET): New macros.
7530 (struct biv_entry): New.
7531 (df, bivs): New global variables.
7532 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7533 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7535 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7536 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7537 analyzed_for_bivness_p, record_biv): New functions.
7538 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7539 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7540 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7542 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7544 (iv_number_of_iterations): Use new interface to iv analysis.
7545 * loop-unroll.c: Do not include varray.h.
7546 (analyze_iv_to_split_insn): Use new interface to iv
7548 * loop-unswitch.c (may_unswitch_on): Ditto.
7549 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7551 (df_bb_modify): Realloc tables to the new index.
7552 (df_find_use): New function.
7553 * df.h (df_find_use): Declare.
7554 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7556 * cfgloop.h (struct rtx_iv): Remove analysed field.
7557 (iv_get_reaching_def): Removed.
7558 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7559 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7560 (loop-iv.o): Add df.h and hashtab.h dependency.
7561 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7563 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7566 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7568 (__floatundisf, __floatundidf): Likewise.
7569 * libgcc2.h (IS_IBM_EXTENDED): Define.
7571 2006-01-19 DJ Delorie <dj@redhat.com>
7573 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7575 2006-01-19 Paul Brook <paul@codesourcery.com>
7577 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7578 as nothrow when unwinding tables are disabled.
7580 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7583 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7584 of bit-field" when in system header.
7586 2006-01-19 DJ Delorie <dj@redhat.com>
7588 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7589 the 16 bit shift limit of the m16c.
7591 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7594 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7595 * config/i386/i386.c (output_set_got): Output the label if we have one
7596 for the TARGET_DEEP_BRANCH_PREDICTION case.
7598 2006-01-19 Jan Hubicka <jh@suse.cz>
7599 H.J. Lu <hongjiu.lu@intel.com>
7600 Evandro Menezes <evandro.menezes@amd.com>
7602 * invoke.texi (generic): Document
7604 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7605 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7606 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7607 (x86_use_incdec, x86_pad_returns): New variables
7608 (TARGET_CPU_DEFAULT_generic): New constant
7609 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7610 (enum processor_type): Add generic32 and generic64.
7611 * i386.md (cpu attribute): Add generic32/generic64
7612 (movhi splitter): Behave sanely when both partial_reg_dependency and
7613 partial_reg_stall are set.
7614 (K8 splitters): Enable for generic as well.
7615 * predicates.md (incdec_operand): Use TARGET_INCDEC
7616 (aligned_operand): Avoid memory mismatch stalls.
7617 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7618 * ppro.md: Enable for generic32
7619 * i386.c (generic64_cost, generic32_cost): New.
7620 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7621 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7622 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7623 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7624 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7625 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7626 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7627 x86_accumulate_outgoing_args, x86_prologue_using_move,
7628 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7629 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7631 (x86_use_incdec, x86_pad_returns): New.
7632 (override_options): Add generic32 and generic64, translate "generic"
7633 to generic32/generic64 and "i686" to "generic32", refuse
7634 "generic32"/"generic64" as arch target.
7635 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7636 (ix86_reorg): Honor PAD_RETURNS.
7638 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7640 * tree-pretty-print.c (dump_generic_node): Handle
7641 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7642 * cgraph.c (cgraph_expand_queue): Rename from
7643 cgraph_analyze_queue. Update all users.
7644 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7645 cgraph_expand_queue.
7646 (cgraph_expand_all_functions): Likewise.
7647 (cgraph_finalize_pending_functions): Remove. Update callers.
7649 * tree.h (OMP_DIRECTIVE_P): Define.
7650 (OMP_PARALLEL_FN): Define.
7651 (OMP_PARALLEL_DATA_ARG): Define.
7652 (OMP_SECTIONS_SECTIONS): Define.
7653 * tree-pass.h (pass_expand_omp): Declare.
7654 * omp-low.c (struct omp_region): Declare.
7655 (struct omp_context): Remove fields 'parallel_type',
7656 'parallel_start_ix' and 'parallel_start_additional_args'.
7658 (struct omp_for_data): Rename from struct expand_omp_for_data.
7659 (omp_regions): New static variable.
7660 (root_omp_region): New static variable.
7661 (find_omp_clause): Make static.
7662 (is_in_combined_parallel_ctx): Remove.
7663 (is_combined_parallel): New.
7664 (extract_omp_for_data): Move earlier in the file.
7665 (workshare_safe_to_combine_p): New.
7666 (get_ws_args_for): New.
7667 (determine_parallel_type): Move earlier in the file.
7668 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7670 (omp_copy_decl): Likewise.
7671 (create_omp_child_function): Likewise.
7672 (lookup_omp_region): New.
7673 (dump_omp_region): New.
7674 (debug_omp_region): New.
7675 (debug_all_omp_regions): New.
7676 (new_omp_region): New.
7677 (scan_omp_parallel): If parallel_nesting_level > 1, the
7678 directive is nested within another parallel directive.
7679 Set OMP_PARALLEL_FN.
7680 (scan_omp_for): Do not try to handle combined parallel+for
7682 Remove FIXME comment.
7683 (scan_omp_nested): Remove.
7684 (scan_omp_1): Do not call scan_omp_nested when
7685 parallel_nesting_level is > 1.
7686 Do not change the DECL_CONTEXT of local variables found.
7687 (lookup_decl_in_outer_ctx): New.
7688 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7689 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7690 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7691 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7692 If CTX is nested, lookup VAR in the outer context when
7693 building copy assignment.
7694 (lower_send_clauses): Rename from expand_send_clauses.
7695 If CTX is nested, lookup VAR in the outer context when
7696 building copy assignments.
7697 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7698 If CTX is nested, lookup VAR in the outer context when
7699 building copy assignments.
7700 (expand_parallel_call): Rename from build_parallel_call.
7701 Handle combined parallel+workshare cases.
7702 Re-implement to emit code into the CFG.
7704 (expand_omp_parallel): Re-implement to emit code into the CFG.
7705 Call move_sese_region_to_fn to outline the sub-graph
7706 containing the parallel region.
7707 (expand_omp_for_1): Remove.
7708 (expand_omp_for_generic): Re-implement to emit code into the
7710 (expand_omp_for_static_nochunk): Likewise.
7711 (expand_omp_for_static_chunk): Likewise.
7712 (expand_omp_for): Likewise.
7713 (expand_omp_sections): Likewise.
7714 (remove_exit_barriers): New.
7715 (expand_omp_synch): New.
7717 (build_omp_regions_1): New.
7718 (build_omp_regions): New.
7719 (execute_expand_omp): New.
7720 (gate_expand_omp): New.
7721 (pass_expand_omp): Define.
7722 (lower_omp_sections): Rename from expand_omp_sections.
7723 Set OMP_SECTIONS_SECTIONS.
7724 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7725 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7726 (lower_omp_single): Rename from expand_omp_simple.
7727 (lower_omp_master): Rename from expand_omp_master.
7728 (lower_omp_ordered): Rename from expand_omp_ordered.
7729 (lower_omp_critical): Rename from expand_omp_critical.
7730 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7731 (lower_omp_for): Re-implement.
7732 (lower_omp_parallel): Re-implement.
7733 (lower_regimplify): Rename from expand_regimplify.
7734 (lower_omp_1): Rename from expand_omp_1.
7735 If there are syntax errors in the program, replace every
7736 OpenMP directive with NOP.
7737 Call lower_omp_* instead of expand_omp_*.
7738 (lower_omp): Rename from expand_omp.
7740 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7741 * tree-gimple.h (enum omp_parallel_type): Remove.
7742 (gimple_boolify): Declare extern.
7743 (find_omp_clause, determine_parallel_type): Remove.
7745 * gimple-low.c (lower_omp_directive): New.
7746 (lower_stmt): Call it.
7747 (record_vars_into): Move from ...
7748 (record_vars): ... here.
7749 Call record_vars_into with current_function_decl.
7751 * gimplify.c (struct gimplify_ctx): Remove fields
7752 combined_pre_p and combined_ctxp. Update users.
7753 (get_formal_tmp_var): Add documentation.
7754 (gimple_boolify): Make extern.
7755 (gimplify_expr_in_ctx): Remove. Update callers.
7756 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7757 will always be a BIND_EXPR.
7758 (gimplify_expr): Handle OMP_RETURN_EXPR.
7759 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7760 (OMP_PARALLEL): Add 3 operands.
7761 (OMP_SECTIONS): Add 1 operand.
7762 (OMP_RETURN_EXPR): Define.
7764 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7765 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7766 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7767 creating a circular free list.
7768 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7770 * tree-flow.h (move_sese_region_to_fn): Declare.
7771 (record_vars_into): Declare.
7772 * tree-cfg.c (make_omp_sections_edges): New.
7773 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7774 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7775 OMP_SECTIONS and OMP_SECTION.
7776 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7777 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7778 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7779 (gather_blocks_in_sese_region): New.
7780 (struct move_stmt_d): Declare.
7782 (move_block_to_fn): New.
7783 (move_sese_region_to_fn): New.
7785 * passes.c (init_optimization_passes): Schedule
7786 pass_expand_omp after pass_init_datastructures.
7788 * tree-ssa-operands.c (get_expr_operands): Handle
7789 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7790 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7792 2006-01-19 Jeff Law <law@redhat.com>
7794 * tree-vrp.c (extract_range_from_assert): Refine the result range
7795 if the variable referenced by the ASSERT_EXPR has a range and
7796 either the tentative result range or the previous range is a
7799 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7801 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7803 2006-01-19 Jan Hubicka <jh@suse.cz>
7805 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7807 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7809 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7810 (expand_compound_operation, expand_field_assignment): Fail if the
7811 bit lengths of an extract operation are out of range.
7812 (make_extraction): Compute wanted_inner_mode based on the position
7813 and length of the extraction. Make it extraction_mode for non-constant
7814 positions, and do not modify offset in that case. When generating a
7815 new MEM, use a mode that can hold the extraction while keeping correct
7816 alignment. Remove code that supported MEMs wrapped by USEs.
7817 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7819 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7821 * config/s390/s390.md ("Y", "y"): New mode attribute.
7822 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7823 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7824 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7825 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7826 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7827 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7828 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7829 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7830 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7831 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7832 "addsi3", "subsi3"): Insn patterns removed.
7833 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7834 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7835 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7836 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7837 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7838 "*sub<mode>3_cconly2"): New insn patterns.
7839 ("addsi3", "subsi3"): New expanders.
7841 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7843 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7844 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7845 existing STMT_VINFO_VECTYPE if available.
7846 (vect_mark_relevant): Add special handling for stmts that are
7847 marked as STMT_VINFO_IN_PATTERN_P.
7848 (vect_analyze_loop): Call vect_pattern_recog.
7849 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7850 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7852 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7853 (vect_recog_func_ptr): New function-pointer type.
7854 * tree-vect-patterns.c: New file.
7855 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7856 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7857 (vect_pattern_recog_1): New functions.
7858 (vect_pattern_recog_funcs): New array of function pointers.
7860 * tree-vectorizer.h (ternary_op): New enum value.
7861 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7862 declaration. Revised documentation. Removed redundant dump prints.
7863 Removed redundant argument. Added support for reduction patterns.
7864 (vectorizable_reduction): Added support for reduction patterns.
7865 (vect_transform_stmt): Added support for patterns.
7867 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7868 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7869 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7870 (expand_widen_pattern_expr): New function.
7871 (init_optabs): Initialize new optabs udot_prod_optab,
7873 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7874 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7875 (expand_widen_pattern_expr): New function declaration.
7876 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7878 * tree-inline.c (estimate_num_insns_1): Added cases for new
7879 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7880 * tree-pretty-print.c (dump_generic_node): Likewise.
7881 (op_prio): Likewise.
7882 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7883 * tree-ssa-operands.c (get_expr_operands): Added case for
7885 * tree-vect-patterns.c (widened_name_p): New function.
7886 (vect_recog_dot_prod_pattern): Added function implementation.
7887 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7888 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7889 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7890 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7892 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7893 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7894 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7895 (init_optabs): Initialize new optabs widen_ssum_optab,
7897 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7898 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7899 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7900 use instead of type of def.
7901 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7902 function implementation.
7903 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7904 widen_ssumv8hi): New.
7906 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7909 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7912 * c-decl.c (add_flexible_array_elts_to_size): New function.
7913 (finish_decl): Use it.
7915 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7917 * diagnostic.h: Include options.h.
7918 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7919 dependancies for diagnostic.h.
7920 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7922 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7924 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7925 (ssa_ro_call_cache_valid): Ditto.
7926 * tree-ssa-alias.c (sort_tags_by_id): New function.
7927 (init_transitive_clobber_worklist): Ditto.
7928 (add_to_worklist): Ditto.
7929 (mark_aliases_call_clobbered): Ditto.
7930 (compute_tag_properties): Ditto.
7931 (set_initial_properties): Ditto.
7932 (compute_call_clobbered): Ditto.
7933 (compute_may_aliases): Call compute_call_clobbered and grouping.
7934 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7935 (compute_flow_insensitive_aliasing): Grouping now happens in our
7937 (setup_pointers_and_addressables): Remove clobbering related code.
7938 (add_may_alias): Ditto.
7939 (replace_may_alias): Ditto.
7940 (get_nmt_for): Ditto.
7941 (create_global_var):
7942 (is_escape_site): Return an escape_type enumeration.
7943 * tree-flow-inline.h (is_call_clobbered): Global var does not
7944 imply call clobbered.
7945 (mark_call_clobbered): Take a reason for marking this. Remove
7946 marking of globalness, and cache invalidation.
7947 (clear_call_clobbered): Remove cache invalidation code.
7948 * tree-dfa.c (dump_variable): If details is on, dump the reason
7950 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7952 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7953 (struct var_ann_d): Ditto.
7954 (enum escape_type): New.
7955 (mark_call_clobbered): Adjust prototype.
7956 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7957 are never call clobbered.
7958 Record reasons for escaping.
7959 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7960 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7961 (ssa_ro_call_cache_valid): Ditto.
7962 (clobbered_v_may_defs): Ditto.
7963 (clobbered_vuses): Ditto.
7964 (ro_call_vuses): Ditto.
7965 (clobber_stats): New.
7966 (init_ssa_operands): Zero out clobber stats.
7967 (fini_ssa_operands): Print out clobber stats.
7968 (get_call_expr_operands): Pass callee fndecl to
7970 (add_call_clobber_ops): Remove use of cache.
7971 Add use of PURE_CONST information.
7972 (add_call_read_ops): Remove use of cache.
7973 Add use of static not_read information.
7975 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7977 Introduce TLS descriptors for i386 and x86_64.
7978 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7979 (TARGET_ANY_GNU_TLS): New macro.
7980 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7981 (struct machine_function): Add tls_descriptor_call_expanded_p.
7982 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7983 (ix86_current_function_calls_tls_descriptor): Likewise.
7984 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7985 (override_options): Introduce gnu2 tls dialect.
7986 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7988 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7990 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7991 (ix86_init_machine_status): Initialize new field.
7992 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7993 (ix86_tls_module_base): New.
7994 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7995 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7996 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7997 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7998 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7999 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8000 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8001 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8002 * config/i386/predicates.md (tls_modbase_operand): New.
8003 (tp_or_register_operand): New.
8005 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8007 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8008 (look_for_address_of): Ditto.
8009 (ipa_init): Walk the function decls.
8010 (static_execute): Don't set readonly on FUNCTION_DECL's.
8012 2006-01-18 Roger Sayle <roger@eyesopen.com>
8014 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8015 for shifts where the source and destination registers are different.
8017 2006-01-18 Paul Brook <paul@codesourcery.com>
8019 Merge from csl-arm-branch.
8020 2005-03-14 Julian Brown <julian@codesourcery.com>
8021 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8022 (aeabi_llsl): Likewise.
8023 (ashrdi3): Likewise.
8024 (aeabi_lasr): Likewise.
8025 (lshrdi3): Likewise.
8026 (aeabi_llsr): Likewise.
8027 2005-03-10 Julian Brown <julian@codesourcery.com>
8028 * config.gcc: Disable shared libgcc for SymbianOS.
8029 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8031 2006-01-18 DJ Delorie <dj@redhat.com>
8033 * c-pragma.c (handle_pragma_diagnostic): New.
8034 (init_pragma): Register it.
8035 * doc/extend.texi: Document it.
8037 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8038 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8039 (diagnostic_context): Add classify_diagnostic[].
8040 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8041 as errors if they're overridden to DK_WARNING.
8042 (diagnostic_initialize): Initialize classify_diagnostic[].
8043 (diagnostic_set_kind_override): New.
8044 (diagnostic_report_diagnostic): Check for kind changes.
8045 * opts.c (common_handle_option): Take lang_mask. Update callers.
8047 * common.opt (Werror=): New.
8048 * doc/invoke.texi: Document -Werror=*
8050 2006-01-18 Jeff Law <law@redhat.com>
8052 * tree-vrp.c (test_for_singularity): Correct test for new
8053 min limit. Use operand_equal_p rather than pointer equality
8054 for testing if new min/max values are equal.
8056 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8057 using range information until after propagation and folding.
8059 2006-01-18 Richard Henderson <rth@redhat.com>
8060 Aldy Hernandez <aldyh@redhat.com>
8061 Jakub Jelinek <jakub@redhat.com>
8062 Diego Novillo <dnovillo@redhat.com>
8064 * omp-low.c: New file.
8065 * c-omp.c: New file.
8067 2006-01-18 Richard Henderson <rth@redhat.com>
8068 Jakub Jelinek <jakub@redhat.com>
8069 Diego Novillo <dnovillo@redhat.com>
8071 * doc/invoke.texi: Document -fopenmp.
8072 * tree-dump.h (debug_function): Declare.
8073 * hooks.c (hook_bool_tree_bool_false): New function.
8074 (hook_tree_tree_null): Remove.
8075 (hook_tree_tree_tree_null): New.
8076 * hooks.h: Update to match.
8077 * tree-pretty-print.c (debug_tree_chain): New.
8078 (print_generic_expr): Handle TDF_CHAIN.
8079 (dump_generic_node): Handle BLOCK.
8080 Do not abort with incomplete SWITCH_EXPRs.
8081 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8082 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8083 print space after directive name.
8084 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8085 Handle OMP_MASTER and OMP_ORDERED.
8086 Handle printing of OMP_BODY just in one place, goto
8087 dump_omp_body in the rest of OMP_* nodes that have
8089 Don't handle clause nodes here. Update omp statements to
8090 use dump_omp_clauses.
8091 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8092 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8093 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8094 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8095 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8096 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8097 Adjust output for GOMP_PARALLEL.
8098 (dump_omp_clauses): New.
8099 (print_declaration): Dump DECL_VALUE_EXPR.
8100 (op_symbol_1): Split out of op_symbol.
8101 (dumping_stmts): Remove. Update all users.
8102 * cgraph.c (cgraph_analyze_queue): New.
8103 (cgraph_add_new_function): New.
8104 * cgraph.h (cgraph_analyze_queue): Declare.
8105 (cgraph_add_new_function): Declare.
8106 (cgraph_lower_function): Remove.
8107 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8108 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8109 and TYPE_P nodes in its default clause.
8110 (empty_body_p): New.
8111 (tree_range_check_failed): New.
8113 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8114 OMP_CLAUSE_REDUCTION_MERGE,
8115 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8116 OMP_CLAUSE_PRIVATE_DEBUG,
8117 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8118 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8119 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8120 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8121 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8122 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8123 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8124 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8125 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8126 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8127 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8128 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8129 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8130 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8131 (TREE_RANGE_CHECK): New.
8132 (empty_body_p): Declare.
8133 (enum omp_clause_default_kind): New.
8134 (build_string_literal): Declare.
8135 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8136 (build5_stat, build5): Declare.
8137 * tree-pass.h (TDF_CHAIN): Define.
8138 * tree-pass.h (PROP_gimple_lomp): Define.
8139 (pass_lower_omp): Declare.
8140 * diagnostic.h (debug_tree_chain): Declare.
8141 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8143 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8144 * builtins.c (build_string_literal): Make extern.
8145 * gcc.c (include_spec_function): New.
8146 (static_spec_functions): Add it.
8147 (main): Move load of libgomp.spec ...
8148 (LINK_COMMAND_SPEC): ... here.
8149 (link_gomp_spec): New.
8150 (static_specs): Include it.
8151 (LINK_COMMAND_SPEC): Add link_gomp.
8152 (GOMP_SELF_SPECS): New.
8153 (driver_self_specs): Include it.
8154 (switch_matches): Don't mark inline.
8155 (main): Load libgomp.spec.
8156 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8157 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8158 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8159 * tree-gimple.h (enum omp_parallel): Declare.
8160 (determine_parallel_type): Declare.
8161 (omp_firstprivatize_variable): Declare.
8162 (omp_reduction_init): Declare.
8163 (diagnose_omp_structured_block_errors): Declare.
8164 (struct walk_stmt_info): Add want_return_expr.
8165 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8166 (find_omp_clause): Declare.
8167 (insert_field_into_struct): Declare.
8168 (struct walk_stmt_info): Move from tree-nested.c
8169 (walk_stmts): Declare.
8170 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8172 * cgraphunit.c (cgraph_lower_function): Make static.
8173 (cgraph_finalize_pending_functions): New.
8174 (cgraph_finalize_function): Call it.
8175 (cgraph_finalize_compilation_unit): Likewise.
8176 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8177 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8178 (BT_FN_UINT_UINT): New.
8179 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8180 DEF_FUNCTION_TYPE_VAR_4): Document.
8181 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8182 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8183 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8184 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8185 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8186 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8187 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8188 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8189 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8190 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8191 into separate files.
8192 (DEF_GOMP_BUILTIN): New.
8193 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8194 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8195 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8196 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8197 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8198 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8199 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8200 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8201 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8202 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8203 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8204 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8205 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8206 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8207 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8208 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8209 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8210 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8211 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8212 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8213 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8214 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8215 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8216 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8217 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8218 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8219 * sync-builtins.def: New file, moved from builtins.def.
8220 * omp-builtins.def: New file, moved from builtins.def.
8221 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8222 * gimple-low.c (lower_function_body): Clear data.
8223 (lower_stmt): Do not handle COMPOUND_EXPR.
8224 Remove call to print_node_brief.
8225 * c-tree.h (c_finish_omp_clauses): New prototype.
8226 (C_DECL_THREADPRIVATE_P): Define.
8227 (lookup_name_no_remap, c_omp_remap_private): Remove
8228 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8229 (check_for_loop_decls): Update decl.
8230 (lookup_name_no_remap, c_omp_remap_private): Declare.
8231 (build_indirect_ref, build_modify_expr, pushdecl,
8232 pushdecl_top_level): Move to c-common.h.
8233 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8234 before the switch, but just in the 2 places that need it.
8235 * c-decl.c (diagnose_mismatched_decls): Do not check for
8236 mismatched thread-local attributes when OLDDECL is marked
8237 threadprivate and NEWDECL has no thread-local attributes.
8238 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8239 (c_gimple_diagnostics_recursively): Rename from
8240 c_warn_unused_result_recursively. Invoke
8241 diagnose_omp_structured_block_errors.
8242 (check_for_loop_decls): Return a singular decl found.
8243 * langhooks.c (lhd_omp_predetermined_sharing): Return
8244 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8245 (lhd_omp_firstprivatize_type_sizes): New.
8246 (lhd_omp_assignment): New.
8247 (lhd_omp_predetermined_sharing): New.
8248 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8249 (struct lang_hooks_for_types): Add
8250 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8251 omp_predetermined_sharing, omp_disregard_value_expr,
8252 omp_private_debug_clause, omp_clause_default_ctor,
8253 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8254 (c_finish_omp_clauses): New.
8255 (c_finish_bc_stmt): Diagnose break within omp for.
8256 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8257 (build_unary_op): Return error_mark after reporting
8259 (build_modify_expr): Likewise.
8260 * gimplify.c: Include optabs.h and pointer-set.h.
8261 (enum gimplify_omp_var_data): Declare.
8262 (struct gimplify_omp_ctx): Declare.
8263 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8265 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8266 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8267 (splay_tree_compare_decl_uid): New.
8268 (new_omp_context): New.
8269 (delete_omp_context): New.
8270 (gimple_add_tmp_var): Call omp_add_variable.
8271 (gimplify_bind_expr): Likewise.
8272 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8273 true, disregard DECL_VALUE_EXPR on the decl if any.
8274 (gimplify_expr_in_ctx): New.
8275 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8276 omp_add_variable, omp_notice_variable, omp_is_private
8277 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8278 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8279 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8280 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8281 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8282 gimplify_omp_atomic): New.
8283 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8284 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8285 OMP_CRITICAL and OMP_ATOMIC.
8286 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8287 * c-pragma.h (enum pragma_kind): Add
8288 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8289 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8290 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8291 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8292 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8293 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8294 PRAGMA_OMP_THREADPRIVATE.
8295 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8296 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8297 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8298 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8299 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8300 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8301 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8302 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8303 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8304 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8305 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8306 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8307 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8309 (struct nesting_info): Add field_map,
8310 suppress_expansion, debug_var_chain.
8311 (create_nesting_tree): Initialize them.
8312 (lookup_field_for_decl): Use field_map.
8313 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8314 (convert_local_omp_clauses): New.
8315 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8316 (walk_body): Split out of walk_function.
8317 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8318 (convert_nonlocal_reference): Handle omp statements.
8319 (convert_local_reference): Likewise.
8320 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8321 (unnest_nesting_tree): New.
8322 (lower_nested_functions): Call it.
8323 (insert_field_into_struct): Make extern.
8324 (struct walk_stmt_info): Move to tree-gimple.h.
8325 (walk_stmts): Make extern.
8326 * omp-builtins.def: New file.
8327 * tree-iterator.c (expr_only): Clarify comment.
8328 * c-common.h (pushdecl_top_level, pushdecl,
8329 build_modify_expr, build_indirect_ref,
8330 c_finish_omp_master, c_finish_omp_critical,
8331 c_finish_omp_ordered, c_finish_omp_barrier,
8332 c_finish_omp_atomic, c_finish_omp_flush,
8333 c_finish_omp_for, c_split_parallel_clauses,
8334 omp_clause_default_kind, c_omp_sharing_predetermined,
8335 c_omp_remap_decl): Declare.
8336 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8337 (OBJS-common): Add omp-low.o.
8338 (c-omp.o, omp-low.o): Add.
8339 (gimplify.o): Add dependency on $(OPTABS_H).
8340 (GTFILES): Add omp-low.c.
8341 (gt-stringpool.h): Add.
8342 * tree-cfg.c (set_bb_for_stmt): Do not update the
8343 block-to-labels map if we are currently expanding to RTL.
8344 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8346 Handle IDENTIFIER_NODE.
8347 (tree_verify_flow_info): Do not ICE when emitting error
8348 messages about invalid labels.
8349 (dump_function_to_file): Reset CFUN before emitting the body
8351 (debug_function): New.
8352 * passes.c (init_optimization_passes): Schedule
8354 * langhooks-def.h (lhd_omp_predetermined_sharing,
8355 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8357 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8358 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8359 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8360 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8361 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8362 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8363 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8364 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8365 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8366 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8367 (LANG_HOOK_DECLS): Use them.
8369 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8370 Richard Henderson <rth@redhat.com>
8371 Jakub Jelinek <jakub@redhat.com>
8372 Diego Novillo <dnovillo@redhat.com>
8374 * c-parser.c (pragma_omp_clause): Define.
8375 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8376 (c_parser_compound_statement): Likewise.
8377 (c_parser_statement): Likewise.
8378 (c_parser_pragma): Handle omp pragmas.
8379 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8380 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8381 (c_parser_omp_clause_name, check_no_duplicate_clause,
8382 c_parser_omp_variable_list,
8383 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8384 c_parser_omp_clause_copyprivate,
8385 c_parser_omp_clause_default,
8386 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8387 c_parser_omp_clause_lastprivate,
8388 c_parser_omp_clause_nowait,
8389 c_parser_omp_clause_num_threads,
8390 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8391 c_parser_omp_clause_reduction,
8392 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8393 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8394 c_parser_omp_atomic, c_parser_omp_barrier,
8395 c_parser_omp_critical, c_parser_omp_flush,
8396 c_parser_omp_for_loop, c_parser_omp_for,
8397 c_parser_omp_master, c_parser_omp_ordered,
8398 c_parser_omp_sections_scope, c_parser_omp_sections,
8399 c_parser_omp_parallel, c_parser_omp_single,
8400 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8401 * c-pragma.c (init_pragma): Do omp pragma registration here.
8402 * c.opt (fopenmp): New flag.
8404 2006-01-18 Eric Christopher <echristo@apple.com>
8406 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8407 * config/darwin.h (GOMP_SELF_SPECS): Define.
8409 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8411 * rtl.h: Remove the prototype for reg_alloc.
8413 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8416 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8417 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8418 sjlj and dwarf2 exception handling.
8419 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8420 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8421 * pa/pa.c (function_value): Treat complex and vector types as
8423 (function_arg): Likewise. Only pass scalar floats in the floating
8424 point argument registers.
8425 * pa/t-slibgcc-dwarf-ver: New file.
8426 * pa/t-slibgcc-sjlj-ver: New file.
8427 * pa/t-slibgcc-elf-ver: Delete file.
8429 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8431 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8432 unlikely_test_section_p test.
8434 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8436 * mode-switching.c (optimize_mode_switching): Make it static.
8437 * basic-block.h: Remove the prototype for
8438 optimize_mode_switching.
8440 * modulo-sched.c (sms_schedule): Make it static.
8441 * rtl.h: Remove the prototype for sms_schedule.
8443 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8444 * rtl.h: Remove the prototype for gcse_after_reload_main.
8446 * reg-stack.c (reg_to_stack): Make it static.
8447 * rtl.h: Remove the prototype for reg_to_stack.
8449 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8451 * rtl.h: Remove the prototypes for regrename_optimize and
8452 copyprop_hardreg_forward.
8454 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8456 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8457 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8458 Test against the appropriate null constant for the mode.
8459 If 'fixup_overlap' is true, swap the operands if they overlap.
8460 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8461 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8462 alpha_split_tmode_pair and adjust for above change.
8463 * config/alpha/alpha.md (movtf_internal): Adjust call to
8464 alpha_split_tfmode_pair and rely on it to swap the operands.
8465 (movti_internal): New insn and post-reload splitter.
8466 (movti): New expander.
8468 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8470 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8473 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8475 * rtlanal.c (global_reg_mentioned_p_1,
8476 global_reg_mentioned_p): Remove.
8477 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8479 * flow.c (initialize_uninitialized_subregs): Make it static.
8480 * rtl.h: Remove the prototype for
8481 initialize_uninitialized_subregs.
8483 * function.c (instantiate_virtual_regs): Make it static.
8484 * function.h: Remove the prototype for
8485 instantiate_virtual_regs.
8487 * regmove.c (regmove_optimize, combine_stack_adjustments):
8489 * rtl.h: Remove the prototypes for regmove_optimize and
8490 combine_stack_adjustments.
8492 2006-01-17 Roger Sayle <roger@eyesopen.com>
8494 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8495 (size_cost): Encode costs in bytes so that a reg-reg addition is
8496 equivalent to COSTS_N_INSNS(1).
8497 (override_options): Use the size_cost.branch_cost as the default
8498 ix86_branch_cost when optimizing for size.
8500 2006-01-18 Ben Elliston <bje@au.ibm.com>
8502 * Makefile.in (D32PBIT_FUNCS): New.
8503 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8504 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8505 D64PBIT_FUNCS and D128PBIT_FUNCS.
8506 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8507 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8509 (decnumber_dep): Define.
8510 * doc/libgcc.texi (Decimal float library routines): New node.
8511 * config/dfp-bit.h, config/dfp-bit.c: New files.
8513 2006-01-18 Ben Elliston <bje@au.ibm.com>
8515 * expr.c (emit_move_change_mode): Always adjust addresses, not
8516 just during reload. Copy replacements only during reload.
8517 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8518 emit_move_via_integer.
8520 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8522 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8523 instead of $(srcdir) and ${srcdir}.
8525 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8529 * arm.h (struct machine_function): Add pic_reg.
8530 * arm.c (arm_pic_register): Make unsigned.
8531 (arm_override_options): Only set arm_pic_register if
8532 TARGET_SINGLE_PIC_BASE.
8533 (use_return_insn): Only test for a pic register if it is fixed.
8534 (arm_compute_save_reg0_reg12_mask): Likewise.
8535 (thumb_compute_save_reg_mask): Likewise.
8536 (legitimate_pic_operand): Factor out some known invariants.
8537 (legitimize_pic_address): If we don't have a fixed pic register,
8538 then set up a pseudo in the function entry sequence. Handle the
8539 pic base being in a pseudo.
8540 (arm_load_pic_register): Handle the pic register being in a pseudo.
8541 (arm_expand_prologue): Only set up the pic register if it is fixed.
8542 (thumb_expand_prologue): Likewise.
8543 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8544 (pic_load_addr_based_insn): Likewise.
8545 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8548 2006-01-18 Ben Elliston <bje@au.ibm.com>
8550 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8551 decimal float modes for all floating point registers.
8553 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8554 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8556 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8559 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8560 even when the pointer is not NULL.
8562 2006-01-16 Ian Lance Taylor <ian@airs.com>
8564 * common.opt (ftoplevel-reorder): New option.
8565 * cgraph.c (cgraph_asm_nodes): New global variable.
8566 (cgraph_asm_last_node): New static variable.
8567 (cgraph_order): New global variable.
8568 (cgraph_create_node): Set new order field.
8569 (cgraph_varpool_node): Likewise.
8570 (decide_is_variable_needed): Return true if not
8571 flag_toplevel_reorder.
8572 (cgraph_add_asm_node): New function.
8573 * cgraph.h (struct cgraph_node): Add order field.
8574 (struct cgraph_varpool_node): Add order field.
8575 (struct cgraph_asm_node): Define.
8576 (cgraph_asm_nodes, cgraph_order): Declare.
8577 (cgraph_add_asm_node): Declare.
8578 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8580 (cgraph_varpool_assemble_pending_decls): Call it.
8581 (cgraph_output_pending_asms): New static function.
8582 (cgraph_finalize_compilation_unit): Call it.
8583 (struct cgraph_order_sort): Define.
8584 (cgraph_output_in_order): New static function.
8585 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8586 !flag_toplevel_reorder case.
8587 * c-parser.c: Include "cgraph.h".
8588 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8590 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8591 than -fno-unit-at-a-time.
8592 * doc/invoke.texi (Option Summary): Mention
8593 -fno-toplevel-reorder.
8594 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8595 -funit-at-a-time documentation.
8597 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8598 Kazu Hirata <kazu@codesourcery.com>
8600 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8602 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8604 * Makefile.in (FUNCTION_H): New. Use it instead of
8605 function.h throughout the file.
8606 * function.h: Include tree.h.
8608 2006-01-17 Ben Elliston <bje@au.ibm.com>
8610 * recog.c: Separate some functions with whitespace.
8612 2006-01-16 Richard Henderson <rth@redhat.com>
8614 Merge from gomp branch:
8615 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8616 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8617 and rename from struct inline_data. Rename callee* to dst*;
8618 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8619 transform_new_cfg, transform_return_to_modify, and
8620 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8622 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8623 (copy_decl_for_dup): Remove.
8624 * tree-inline.c (struct inline_data): Move to header.
8625 (insert_decl_map): Export.
8626 (remap_decl): Update for member name changes. Use copy_decl hook.
8627 Allow for replacement to be a non-decl. Remove dead code.
8628 (remap_type_1): Check for existing mapping.
8629 (remap_type): Export.
8630 (remap_decls): Update for member name changes.
8631 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8632 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8633 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8634 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8635 (tree_function_versioning, build_duplicate_type): Likewise.
8636 (copy_body_r): Likewise. Export.
8637 (copy_decl_for_dup): Split into ...
8638 (copy_decl_for_dup_finish, copy_decl_to_var,
8639 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8640 (replace_ref_tree, inlining_p): Remove.
8642 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8644 * ifcvt.c (if_convert): Make it static.
8645 * rtl.h: Remove the prototype for if_convert.
8647 * local-alloc.c (local_alloc): Make it static.
8648 * rtl.h: Remove the prototype for local_alloc.
8650 * loop.c (loop_optimize): Make it static.
8651 * cfgloop.h: Remove the prototype for loop_optimize.
8654 2006-01-16 DJ Delorie <dj@redhat.com>
8656 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8659 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8661 * pa.md: Disparage copies between general and floating-point registers
8662 in 32-bit move patterns.
8664 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8667 * Makefile.in (check-%): Depend on site.exp instead of
8668 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8671 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8673 * global.c (global_alloc): Make it static.
8674 * rtl.h: Remove the prototype for global_alloc.
8676 2006-01-16 Richard Guenther <rguenther@suse.de>
8678 * tree-ssa-alias.c (struct used_part): Add write_only field.
8679 (get_or_create_used_part_for): Initialize it to true.
8680 (create_overlap_variables_for): Don't create structure variables
8681 for structures that only are written to.
8682 (find_used_portions): Handle MODIFY_EXPR to track whether a
8683 structure is only written to.
8685 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8687 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8689 * basic-block.h: Remove the prototype for
8690 partition_hot_cold_basic_blocks.
8692 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8694 * cppspec.c (lang_specific_spec_functions): Remove.
8695 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8696 * gcc.h (lang_specific_spec_functions): Remove.
8697 * gccspec.c (lang_specific_spec_functions): Remove.
8699 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8701 * combine.c (record_value_for_reg): Invalidate registers
8703 (record_dead_and_set_regs_1): Likewise, by passing them to
8704 record_value_for_reg.
8705 (record_dead_and_set_regs): Invalidate stores made by a
8706 call. We do not combine across a call, but we still
8707 relied on equivalences.
8709 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8711 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8712 vrp_int_const_binop returning non-constant nodes.
8714 2006-01-16 Paul Brook <paul@codesourcery.com>
8716 * config/m68k/m68k.c (output_move_const_into_data_reg):
8717 Output correct mnemonic for mvz and mvs.
8719 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8721 * rtl-factoring.c: Add sequence abstraction algorithm.
8722 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8723 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8725 (block_has_preserve_label): New function.
8726 * common.opt: Register new pass.
8727 * Makefile.in: Ditto.
8729 * timevar.def: Ditto.
8730 * tree-pass.h: Ditto.
8731 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8732 * rtl.h (make_jump_insn_raw): Add forward decl.
8733 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8735 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8736 Roger Sayle <roger@eyesopen.com>
8738 * fold-const.c (fold_minmax): New static function.
8739 (fold_binary) <MIN_EXPR>: Call it.
8740 <MAX_EXPR>: Likewise.
8741 * stor-layout.c (place_field): Use DECL_SIZE consistently
8742 in the computation of the new record size.
8744 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8746 * cse.c (cse_condition_code_reg): Make it static.
8747 * rtl.h: Remove the prototype for cse_condition_code_reg.
8749 * combine.c (combine_instructions): Make it static.
8750 * rtl.h: Remove the prototype for combine_instructions.
8752 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8755 * tree.c (get_file_function_name_long): Concatenate the first global
8756 object name with a string derived from the input filename of the object
8759 2006-01-16 Ben Elliston <bje@au.ibm.com>
8761 * config/i386/winnt-stubs.c: Update FSF address.
8762 * config/xtensa/ieee754-df.S: Ditto.
8763 * config/xtensa/ieee754-sf.S: Ditto.
8765 2006-01-14 Ian Lance Taylor <ian@airs.com>
8767 * ifcvt.c (noce_init_if_info): New static function, broken out of
8768 noce_process_if_block.
8769 (noce_process_if_block): Call noce_init_if_info.
8770 (check_cond_move_block): New static function.
8771 (cond_move_process_if_block): New static function.
8772 (process_if_block): Call cond_move_process_if_block.
8774 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8776 * cselib.c (hash_table): Rename to cselib_hash_table.
8777 (cselib_clear_table, discard_useless_values,
8778 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8779 cselib_init, cselib_finish): Adjust uses of hash_table.
8781 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8783 PR tree-optimization/25485
8784 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8785 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8786 is known to be false and true, respectively.
8788 2006-01-14 Richard Guenther <rguenther@suse.de>
8790 PR tree-optimization/22548
8791 PR tree-optimization/22555
8792 PR tree-optimization/22501
8793 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8794 * params.def (salias-max-array-elements): New parameter.
8795 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8796 * doc/invoke.texi (salias-max-array-elements): Document.
8797 * tree-flow-inline.h (var_can_have_subvars): We also handle
8799 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8801 * tree-ssa-structalias.c (params.h): Include.
8802 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8803 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8804 (get_constraint_for): For ADDR_EXPR operating on something
8805 containing an ARRAY_REF, add all subvars to the solution.
8806 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8807 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8808 for creating MUST_DEFs.
8809 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8811 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8813 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8815 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8816 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8817 number_of_iterations_le): New functions.
8818 (number_of_iterations_special): Removed.
8819 (number_of_iterations_exit): Do not use number_of_iterations_special.
8820 * tree.c (unsigned_type_for): Always return integer type.
8822 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8823 Richard Guenther <rguenther@suse.de>
8825 PR rtl-optimization/24257
8826 * gcse.c (find_moveable_store): Only consider a store movable
8827 when the SET_SRC of the insn can be assigned to a register.
8829 2006-01-14 Ian Lance Taylor <ian@airs.com>
8831 * tree.c (tree_not_class_check_failed): New function.
8832 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8833 (tree_not_class_check_failed): Declare.
8835 2006-01-13 Ian Lance Taylor <ian@airs.com>
8837 * reload1.c (do_output_reload): Add assertion rejecting a
8840 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8842 * combine.c (struct reg_stat): Add new fields truncation_label and
8844 (record_value_for_reg): Reset truncated_to_mode.
8845 (record_truncated_value): New function.
8846 (check_promoted_subreg): Call it. Rename to check_conversions.
8847 (combine_instructions): Rename check_promoted_subreg to
8849 (reg_truncated_to_mode): New function.
8850 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8851 (gen_lowpart_or_truncate): New function.
8852 (force_to_mode): Use it instead of gen_lowpart.
8854 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8856 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8857 VAR is a tag, not its type tag.
8859 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8861 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8862 alternatives to match style of other entries.
8863 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8865 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8867 PR tree-optimization/25771
8868 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8871 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8874 * tree-inline.c (declare_return_variable): If the return variable
8875 was marked as a non gimple complex, set the return slot variable
8876 to be a non gimple comple variable.
8878 2006-01-13 Richard Guenther <rguenther@suse.de>
8880 * builtins.c (expand_builtin_sincos): New function.
8881 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8883 (expand_builtin): Expand sincos using expand_builtin_sincos.
8885 2006-01-12 DJ Delorie <dj@redhat.com>
8887 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8888 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8889 so that constant shifts can be split.
8890 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8891 (m32c_valid_pointer_mode): Make static.
8892 (shift_gen_func_for): New.
8893 (m32c_prepare_shift): Use it. Split large const shifts into
8895 * config/m32c/predicates.md (shiftcount_operand): Allow more
8897 (longshiftcount_operand): New.
8898 * doc/md.texi (Machine Constraints): Document In6.
8900 2006-01-13 Ben Elliston <bje@au.ibm.com>
8902 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8903 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8906 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8908 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8909 to try to avoid clobbering pieces of structures when we know
8910 something about the whole structure.
8911 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8913 2006-01-13 Ben Elliston <bje@au.ibm.com>
8915 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8916 return in memory, as this is no limitation is no longer present.
8918 2006-01-12 DJ Delorie <dj@redhat.com>
8920 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8921 mova with fb, and for fb+0 -> An.
8923 * config/m32c/mov.md (peephole2): Fix enabling logic.
8925 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8926 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8927 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8928 FINI_ARRAY_SECTION_ASM_OP): Define.
8930 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8932 (m32c_legitimize_reload_address): New logic to reload FB to An.
8933 (m32c_output_reg_push): Add newline.
8934 (m32c_output_reg_pop): Likewise.
8936 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8938 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8940 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8942 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8944 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8946 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8949 2006-01-11 Ben Elliston <bje@au.ibm.com>
8951 * rtlanal.c (find_reg_note): Assert insn is not null.
8953 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8955 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8958 2006-01-11 Jeff Law <law@redhat.com>
8960 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8962 (mark_threaded_blocks, register_jump_thread): New functions.
8963 (thread_through_all_blocks): Remove unwanted argument. No
8964 longer rely on e->aux to communicate thread target info.
8965 Call mark_threaded_blocks. Release the threaded_blocks
8966 bitmap and threaded_edges vector when complete.
8967 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8968 (threaded_blocks): Remove.
8969 (tree_ssa_dominator_optimize): Remove initialization and
8970 finalization of threaded_blocks. Simplify call to
8971 thread_through_all_blocks.
8972 (thread_across_edge): Call register_jump_thread rather than
8973 storing thread information into e->aux.
8974 (free_all_edge_infos): Simplify now that e->aux is no longer
8975 used to communicate with thread_through_all_blocks.
8976 * tree-flow.h (thread_through_all_blocks): Update prototype.
8977 (register_jump_thread): Prototype.
8979 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8981 * df-core.c (df_compact_blocks, df_bb_replace): Use
8982 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8984 2006-01-11 Richard Guenther <rguenther@suse.de>
8986 PR tree-optimization/25734
8987 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8988 stop propagation after successful propagation to the LHS.
8990 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8992 * basic-block.h (control_flow_graph): Change the type of
8993 x_basic_block_info to VEC(basic_block,gc) *.
8994 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8996 (SET_BASIC_BLOCK): New.
8997 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8998 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8999 * cfgbuild.c (find_basic_blocks): Likewise.
9000 * cfglayout.c (fixup_reorder_chain): Likewise.
9001 * cfgrtl.c (create_basic_block_structure,
9002 rtl_create_basic_block): Likewise.
9003 * ifcvt.c (find_if_case_1): Likewise.
9004 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9007 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9009 * Makefile.in: Removed rotted odf.c entry.
9011 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9014 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9015 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9016 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9017 output pattern modifier, not %e.
9018 * config/cris/cris.c (cris_op_str): Update comment about pattern
9020 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9021 before falling through into...
9022 <case 'E'>: Redefined from old 'e' case.
9024 2006-01-11 Jan Hubicka <jh@suse.cz>
9027 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9029 2006-01-11 Jan Hubicka <jh@suse.cz>
9031 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9032 * i386.c (x86_decompose_lea): Kill.
9033 (ix86_rtx_costs): Kill.
9035 2006-01-11 Jan Hubicka <jh@suse.cz>
9037 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9038 * cgraph.h (cgraph_node): Add inline_decl.
9039 (cgraph_insert_node_to_hashtable): Declare.
9040 (save_inline_function_body): Declare.
9041 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9043 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9044 (cgraph_function_versioning): Update call of tree_function_versioning.
9045 (save_inline_function_body): New function.
9046 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9047 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9048 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9049 (cgraph_default_inline_p): Likewise.
9050 (cgraph_decide_inlining_incrementally): Likewise.
9051 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9052 (copy_bb): Kill saving; do updating of clones.
9053 (copy_cfg_body): Kill saving.
9054 (initialize_inlined-parameters): Likewise.
9055 (expand_call_inline): Likewise.
9057 (tree_function_versioning): New parameter "update_clones".
9058 (inlining_p): Kill saving.
9059 * tree-inline.h (tree_function_versioning): Update prototype.
9060 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9063 2006-01-11 Ian Lance Taylor <ian@airs.com>
9065 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9066 Allow undoing set of machine mode.
9067 (do_SUBST): Use enums instead of is_int.
9068 (do_SUBST_MODE): New function.
9069 (SUBST_MODE): New macro.
9070 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9071 reg and trying to replace reg_regno_rtx with a new register.
9072 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9073 (simplify_set): Use SUBST_MODE.
9074 (distribute_notes): Remove code that tried to update reg notes
9075 for regno_reg_rtx changes.
9077 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9079 PR tree-optimization/23109
9080 PR tree-optimization/23948
9081 PR tree-optimization/24123
9083 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9084 * tree-cfg.c (single_noncomplex_succ): New.
9085 * tree-flow.h (single_noncomplex_succ): Declare it.
9086 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9087 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9088 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9089 insert_bb, register_division_in, insert_reciprocals,
9090 replace_reciprocal, free_bb): New.
9091 (execute_cse_reciprocals_1): Rewritten.
9092 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9093 Do not commit any edge insertion. Always compute dominators and
9094 create the allocation pool.
9095 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9096 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9097 * targhooks.c (default_min_divistions_for_recip_mul): New.
9098 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9099 * passes.c (init_optimization_passes): Run recip after tree loop
9101 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9103 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9104 Kenneth Zadeck <zadeck@naturalbridge.com>
9106 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9107 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9108 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9109 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9110 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9111 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9112 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9113 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9114 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9115 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9116 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9117 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9118 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9119 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9120 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9121 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9122 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9123 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9124 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9125 DF_SCAN_POST_ALLOC): New macros.
9126 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9127 df_free_bb_function, df_local_compute_function, df_init_function,
9128 df_dataflow_function, df_confluence_function_0,
9129 df_confluence_function_n, df_transfer_function,
9130 df_finalizer_function, df_free_function, df_dump_problem_function,
9131 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9132 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9133 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9134 df_urec_bb_info, ) New types.
9135 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9137 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9138 df_analyze_simple_change_some_blocks,
9139 df_analyze_simple_change_one_block, df_compact_blocks,
9140 df_bb_replace, df_bb_regno_last_use_find,
9141 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9142 df_insn_regno_def_p, df_find_def, df_find_use,
9143 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9144 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9145 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9146 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9147 debug_df_chain, df_get_dependent_problem, df_chain_create,
9148 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9149 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9150 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9151 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9152 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9153 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9154 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9155 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9156 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9157 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9158 df_reorganize_refs, df_set_state, df_hard_reg_init,
9159 df_read_modify_subreg_p) New public functions.
9160 * df-core.c: The core dataflow solver and glue routines for rtl
9162 (df_init, df_add_problem, df_set_blocks, df_finish,
9163 df_hybrid_search_forward, df_hybrid_search_backward,
9164 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9165 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9166 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9167 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9168 df_reg_defined, df_find_use, df_reg_used, df_dump,
9169 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9170 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9171 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9172 debug_df_useno, reset_df_after_reload): New functions.
9173 * df-scan.c: The scanning fuctions, once in df.c, completely
9174 rewritten so that they now fully model the functionality of
9175 register usage at the backend.
9176 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9177 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9178 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9179 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9180 df_get_artificial_defs, df_get_artificial_uses,
9181 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9182 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9183 df_refs_delete, df_reorganize_refs, df_set_state,
9184 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9185 df_def_record_1, df_defs_record, df_uses_record,
9186 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9187 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9188 df_record_exit_block_uses, df_hard_reg_init): New functions.
9190 * df-problems.c: Seven concrete dataflow problems that use the
9191 scanning in df-scan.c and are solved by the engine in df-core.c.
9192 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9193 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9194 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9195 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9196 df_ru_free_bb_info, df_ru_alloc,
9197 df_ru_bb_local_compute_process_def,
9198 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9199 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9200 df_ru_transfer_function, df_ru_free, df_ru_dump,
9201 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9202 df_rd_free_bb_info, df_rd_alloc,
9203 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9204 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9205 df_rd_transfer_function, df_rd_free, df_rd_dump,
9206 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9207 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9208 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9209 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9210 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9211 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9212 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9213 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9214 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9215 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9216 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9217 df_urec_mark_reg_use_for_earlyclobber,
9218 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9219 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9220 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9221 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9222 df_chain_create_bb_process_use, df_chain_create_bb,
9223 df_chain_finalize, df_chain_free, df_chains_dump,
9224 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9225 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9226 df_reg_lifetime): New functions.
9227 * df.c: Deleted file.
9228 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9229 consistent with new df api.
9230 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9231 rest_of_handle_sms): Ditto.
9232 * web.c (unionfind_union, union_defs, entry_register, web_main):
9234 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9235 invariant_expr_equal_p, find_defs, check_dependencies,
9236 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9237 free_inv_motion_data, move_loop_invariants): Ditto.
9238 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9239 Update dependencies.
9240 (odf.c): Added defective entry that was deleted later in day.
9241 * sched-deps.c (sched_analyze_1): Ditto.
9243 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9245 * tree-ssa-operands.c (get_expr_operands): Record addressable
9246 variables directly. Do not call add_stmt_operands for CONST_DECLs
9248 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9249 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9251 2006-01-11 Ben Elliston <bje@au.ibm.com>
9253 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9254 function returns true in the positive case.
9256 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9259 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9260 for SI, DI, SF and DF modes. Add alternatives to copy between
9261 general and floating point registers to the 32-bit patterns.
9262 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9263 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9264 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9265 generating 64-bit code.
9266 * config/pa/pa.c (output_move_double): Handle copies between general
9267 and floating registers.
9269 2006-01-10 Stuart Hastings <stuart@apple.com>
9271 * config/i386/i386.md (set_got): Update.
9272 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9273 (builtin_setjmp_receiver): Mach-O support.
9274 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9275 (GOT_SYMBOL_NAME): Define.
9276 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9277 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9278 * config/i386/i386.c (override_options): Revise for Darwin.
9279 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9280 support. (darwin_x86_file_end): New. (output_set_got): Add label
9281 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9282 * config/i386/i386-protos.h (output_set_got): Likewise.
9283 * config/darwin.c (machopic_legitimize_pic_address): Update
9286 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9288 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9289 when MODE isn't BLKmode.
9291 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9293 PR rtl-optimization/25367
9294 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9296 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9299 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9300 for a negative bound.
9302 2006-01-10 Richard Guenther <rguenther@suse.de>
9304 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9305 Never override with anything constraint.
9307 2006-01-10 Jan Beulich <jbeulich@novell.com>
9309 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9310 256 bits when optimize_size.
9312 2006-01-10 Jan Beulich <jbeulich@novell.com>
9314 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9316 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9317 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9320 2006-01-10 Ben Elliston <bje@au.ibm.com>
9322 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9324 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9325 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9326 (USE_FP_FOR_ARG): Reject decimal float modes.
9327 (function_arg_advance): Likewise.
9328 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9329 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9330 point types in AltiVec vectors.
9331 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9332 (rs6000_libcall_value): Likewise.
9334 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9336 * config/xtensa/ieee754-df.S: New file.
9337 * config/xtensa/ieee754-sf.S: New file.
9338 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9339 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9340 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9342 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9344 * config/sh/predicates.md (binary_float_operator,
9345 binary_logical_operator, commutative_float_operator,
9346 equality_comparison_operator, greater_comparison_operator,
9347 less_comparison_operator, logical_operator,
9348 noncommutative_float_operator, shift_operator,
9349 symbol_ref_operand, unary_float_operator): Remove redundant
9352 2006-01-09 Jeff Law <law@redhat.com>
9354 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9355 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9356 now unused arguments. Callers updated.
9357 (eliminate_redundant_computations): Remove now unused arguments,
9359 (local_fold): Remove, no longer used.
9360 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9362 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9363 (simplify_cond): New function.
9364 (forward_propagate_into_cond): Call simplify_cond.
9366 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9368 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9369 (*vec_extractv2di_1_sse): New.
9371 2006-01-09 Ben Elliston <bje@au.ibm.com>
9373 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9375 2006-01-08 Richard Guenther <rguenther@suse.de>
9377 * tree-ssa-structalias.c (get_constraint_for): Remove
9379 (get_constraint_for_component_ref): Likewise.
9380 (do_deref): Likewise.
9381 (get_constraint_for): Likewise.
9382 (do_structure_copy): Likewise.
9383 (handle_ptr_arith): Likewise.
9384 (find_func_aliases): Likewise. Remove unused need_anyoffset
9387 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9388 Kaz Kojima <kkojima@gcc.gnu.org>
9390 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9391 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9392 (EXTRA_CONSTRAINT_C16): Remove.
9393 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9394 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9395 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9396 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9397 constants of SHmedia. Handle nested constant expressions of
9399 (andcosts): Fix the costs for SHmedia constants.
9400 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9401 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9402 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9403 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9404 (movv4hi_i, movv2si_i): Likewise.
9405 (movsi_const): Adjust the second operand of ior so to match with
9407 (movdi_const, movdi_const_32bit): Likewise.
9408 (movdi_const_16bit+1): Don't sign-extend LOW.
9409 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9411 (*double_shori): Fix the split condition. Use GEN_INT instead
9412 of get_int_mode calls. Mask lower 16-bit of the argument of
9414 (sym2GOTPLT): Remove.
9415 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9417 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9418 instead of EXTRA_CONSTRAINT_C16.
9420 2006-01-07 Ian Lance Taylor <ian@airs.com>
9421 David Edelsohn <edelsohn@gnu.org>
9423 PR rtl-optimization/25662
9424 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9425 for constant operands instead of simplify_gen_binary.
9426 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9427 after trying simplify_binary_operation
9429 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9431 * tree.c (iterative_hash_expr): Hash decls based on UID.
9433 2006-01-06 Eric Christopher <echristo@apple.com>
9435 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9436 (TARGET_UNWIND_EMIT): Fix spelling.
9437 * target.h (gcc_target): Add except_table_label.
9438 * except.c (output_function_exception_table): Use.
9439 * varasm.c (default_emit_except_table_label): New.
9440 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9442 (asm_out): Add here.
9443 * output.h (default_emit_except_table_label): Prototype.
9444 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9445 * config/darwin.c (darwin_emit_except_table_label): Define.
9446 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9448 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9450 PR tree-optimization/18527
9451 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9452 number_of_iterations_special, number_of_iterations_exit):
9453 Move base and step of an iv to a single structure. Add
9454 no_overflow flag, and use it in # of iterations analysis.
9455 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9456 folded_casts argument.
9457 (simple_iv): Pass base and step in a structure. Set no_overflow
9459 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9460 Evaluate expensiveness of computing # of iterations instead of
9461 the final expression.
9462 * tree-scalar-evolution.h (affine_iv): New structure.
9463 (simple_iv): Declaration changed.
9464 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9465 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9466 find_givs_in_stmt): Changed due to simple_iv change.
9468 2006-01-06 Jeff Law <law@redhat.com>
9471 * tree-cfg.c (bsi_replace): Rename final argument from
9472 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9473 change (stmt -> orig_stmt).
9474 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9475 (bsi_remove): Add new argument. Remove EH information
9477 (verify_eh_throw_table_statements): New function.
9478 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9480 * tree-optimize.c (execute_free_cfg_annotations): Verify
9481 the EH throw statement table after removing annotations.
9482 * except.h (verify_eh_throw_table_statements): Prototype.
9483 * tree-flow.h (bsi_remove): Update prototype.
9484 * tree-vrp.c (remove_range_assertions): Add new argument to
9486 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9487 * tree-complex.c (expand_complex_div_wide): Likewise.
9488 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9489 * tree-tailcall.c (eliminate_tailcall): Likewise.
9490 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9491 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9492 * tree-nrv.c (tree_nrv): Likewise.
9493 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9494 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9495 (combine_blocks): Likewise.
9496 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9497 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9498 (cleanup_control_flow): Likewise.
9499 (remove_forwarder_block): Likewise.
9500 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9501 * tree-sra.c (sra_replace): Likewise.
9502 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9503 (forward_propagate_single_use_vars): Likewise.
9504 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9505 * tree-inline.c (expand_call_inline): Likewise.
9506 * tree-vect-transform.c (vect_transform_loop): Likewise.
9507 * tree-outof-ssa.c (rewrite_trees): Likewise.
9508 * tree-cfg.c (make_goto_expr_edges): Likewise.
9509 (cleanup_dead_labels): Likewise.
9510 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9511 (bsi_move_before, bsi_move_after): Likewise.
9512 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9513 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9515 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9518 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9520 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9521 on non gimple variables. Also add checks at the top for decls and
9523 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9525 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9526 and IMAGPART_EXPR for creating MUST_DEFs.
9527 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9528 and NAME_MEMORY_TAG separately from the DECLs.
9530 2006-01-06 Richard Guenther <rguenther@suse.de>
9532 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9533 annotation, if necessary.
9534 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9535 redundant calls to update_stmt.
9536 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9539 2006-01-05 Richard Henderson <rth@redhat.com>
9541 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9543 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9545 * c-typeck.c: Update copyright date.
9547 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9549 * c-typeck.c (build_c_cast): Always warn when casting
9550 from a pointer to an integer of different size, even if
9551 the node was constant.
9553 2006-01-05 Richard Guenther <rguenther@suse.de>
9555 PR tree-optimization/22555
9556 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9557 if one structure field is an array.
9558 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9559 operands even if we found a subvar, but ignore VOPs in this
9561 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9563 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9565 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9568 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9570 2006-01-05 Richard Guenther <rguenther@suse.de>
9571 Diego Novillo <dnovillo@redhat.com>
9573 * tree-pass.h (TODO_remove_unused_locals): Define.
9574 * gimple-low.c (expand_var_p, remove_useless_vars,
9575 pass_remove_useless_vars): Remove. Update all users.
9576 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9577 (remove_unused_locals): New function.
9578 * tree-flow.h (remove_unused_locals): Declare.
9579 * passes.c (execute_todo): Call remove_unused_locals if
9580 TODO_remove_unused_locals is set.
9581 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9582 * tree-ssa-dce.c (pass_dce): Likewise.
9583 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9585 2006-01-05 Richard Guenther <rguenther@suse.de>
9587 * tree-flow.h (struct fieldoff): Decompose field to
9588 type, size and decl.
9589 * tree-ssa-alias.c (create_sft): Take type as parameter.
9590 (create_overlap_variables_for): Store type, size and decl
9591 in the fieldoff structure.
9592 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9594 (push_fields_onto_fieldstack): Likewise.
9595 (create_variable_info_for): Likewise. Use offset for the
9596 SFT name if the decl is not available.
9598 2006-01-04 Paul Brook <paul@codesourcery.com>
9600 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9602 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9604 * lambda-code.c (can_put_in_inner_loop): Relax
9606 (can_put_after_inner_loop): New function.
9607 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9608 (perfect_nestify): Change to make copies and modify uses.
9610 2006-01-04 Richard Henderson <rth@redhat.com>
9612 Merge from gomp branch:
9613 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9614 via integer constant.
9615 (pragma_lex): Remove.
9616 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9617 rather than parsing it.
9618 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9619 handle_pragma_extern_prefix): Add %< %> quotes.
9620 (registered_pragmas): New.
9621 (c_register_pragma_1): New.
9622 (c_register_pragma): Use it.
9623 (c_register_pragma_with_expansion): Likewise.
9624 (c_invoke_pragma_handler): New.
9625 (init_pragma): Use cpp_register_deferred_pragma directly for
9627 * c-pragma.h (enum pragma_kind): New.
9628 (pragma_handler): New.
9629 (c_invoke_pragma_handler): Declare.
9630 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9632 * c-common.h (c_common_pch_pragma): Update decl.
9633 * Makefile.in (c-parser.o): Update dependencies.
9634 (GTFILES): Add c-pragma.h.
9635 * c-parser.c (struct c_token): Add pragma_kind.
9636 (struct c_parser): Add in_pragma.
9637 (c_lex_one_token): Always initialize keyword and pragma_kind.
9638 Extract data for CPP_PRAGMA.
9639 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9640 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9641 Don't allow CPP_PRAGMA_EOL if in_pragma.
9642 (c_parser_consume_pragma): New.
9643 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9644 (c_parser_skip_to_end_of_parameter): Likewise.
9645 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9646 (c_parser_skip_to_pragma_eol): New.
9647 (c_parser_external_declaration): Handle CPP_PRAGMA.
9648 (c_parser_compound_statement_nostart): Likewise.
9649 (c_parser_statement_after_labels): Likewise.
9650 (c_parser_pragma): New.
9651 (pragma_lex): Likewise.
9652 (c_parser_pragma_pch_preprocess): New.
9653 (c_parser_new): Merge into ...
9654 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9656 2006-01-04 Jeff Law <law@redhat.com>
9659 * tree-cfg.c (bsi_replace): Remove the original statement
9660 from the EH throw statement table.
9662 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9664 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9665 make the prototype extern "C" and add throw ().
9668 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9669 and pos non-negative and pos + len <= 32.
9670 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9671 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9672 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9675 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9676 as well as sizes not multiple of component size.
9679 * function.c (instantiate_expr): New function.
9680 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9681 walk its DECL_VALUE_EXPR with instantiate_expr.
9683 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9684 DW_OP_deref{,_size} if address isn't going to be added.
9686 2006-01-04 Ben Elliston <bje@au.ibm.com>
9688 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9689 * config/fp-bit.c: Likewise.
9691 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9693 * dominance.c: Add comment about why we use DFS numbering
9696 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9697 Richard Henderson <rth@redhat.com>
9699 Merge from gomp-branch:
9700 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9701 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9703 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9705 PR rtl-optimization/25578
9706 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9707 pass a parameter to simplify_shift_const if changing ASHIFTRT
9710 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9712 * builtins.c (get_builtin_sync_mem): New function.
9713 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9714 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9715 Call get_builtin_sync_mem to generate mem rtx.
9717 2006-01-03 Richard Guenther <rguenther@suse.de>
9720 * stmt.c (add_case_node): Make sure to clear overflow flags
9723 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9725 Merge from gomp-branch.
9726 * config/sparc/sync.md: New file.
9727 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9728 UNSPECV_LDSTUB): New constants.
9729 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9730 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9731 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9734 2006-01-03 Roger Sayle <roger@eyesopen.com>
9736 * combine.c (reg_subword_p): New predicate to test whether the
9737 destination of a set refers to a subword/piece of a register.
9738 (try_combine): Generalize the code to merge the setting of a
9739 pseudo to a constant followed by a set of a subword of that
9740 register to a constant.
9742 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9744 * basic-block.h (control_flow_graph): Change the type of
9745 x_label_to_block_map to VEC(basic_block,gc) *.
9746 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9747 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9749 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9750 VEC(basic_block,heap) *.
9751 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9752 ssa_prop_fini): Adjust the uses of cfg_blocks.
9754 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9756 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9758 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9759 hashing trees instead of a pointer hash.
9760 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9761 compare for MEM_EXPR.
9763 PR rtl-optimization/25130
9764 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9765 when comparing MEMs for GCSE
9767 2006-01-03 Ben Elliston <bje@au.ibm.com>
9769 * targhooks.h (default_decimal_float_supported_p): Declare.
9770 * targhooks.c (default_decimal_float_supported_p): Define.
9771 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9772 `default_decimal_float_supported_p'.
9773 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9775 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9777 * combine.c (apply_distributive_law <SUBREG>): Check
9778 TRULY_NOOP_TRUNCATION.
9780 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9782 * dwarf2out.c (have_switched_text_section): Delete.
9783 (have_multiple_function_sections): New.
9784 (have_location_lists): Make 'bool'.
9785 (add_AT_loc_list): Use 'true' not '1'.
9786 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9787 (output_loc_list): Use have_multiple_function_sections.
9788 (output_ranges): Likewise.
9789 (dwarf2out_begin_function): Set have_multiple_function_sections if
9791 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9792 Check function_section rather than DECL_SECTION_NAME.
9793 (dwarf2out_finish): Use have_multiple_function_sections.
9794 Don't clear have_location_lists.
9796 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9797 Jan Hubicka <jh@suse.cz>
9799 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9800 case of conditional jump jumping to the next instruction.
9801 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9802 cases of conditional jump jumping to the next instruction.
9804 2006-01-02 Jan Hubicka <jh@suse.cz>
9806 * i386.c (*_cost): Add COSTS_N_INSNS.
9807 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9809 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9812 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9814 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9816 * config/arm/arm.c (all_fpus): Fix comment typo.
9817 * config/darwin.c: Likewise.
9818 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9819 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9820 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9822 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9824 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9825 (rs6000_split_compare_and_swapqhi): New.
9826 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9827 (sync_compare_and_swapqhi_internal): New.
9828 * config/rs6000/rs6000-protos.h: Declare.