1 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4 * c-typeck.c (digest_init): Robustify.
6 * c-typeck.c (pop_init_level): Simplify.
8 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
12 2006-04-21 Paul Brook <paul@codesourcery.com>
14 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
15 hardware floating point.
17 2006-04-21 David Edelsohn <edelsohn@gnu.org>
19 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
22 2006-04-21 Nick Clifton <nickc@redhat.com>
24 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
27 2006-04-21 Alan Modra <amodra@bigpond.net.au>
30 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
31 C++ lang type in traceback table for Objective-C++.
33 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
35 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
37 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
39 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
42 * tree-mudflap.c (mudflap_finish_file): Skip function when there
43 were errors. Remove check for erroneous objects.
45 2006-04-20 Jeff Law <law@redhat.com>
47 PR tree-optimization/26854
48 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
49 checking for zero or one use.
50 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
51 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
52 * tree-ssa-reassoc.c (negate_value): Similarly.
53 (reassociate_bb): Similarly.
55 2006-04-20 Jakub Jelinek <jakub@redhat.com>
57 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
58 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
59 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
61 2006-04-20 Alan Modra <amodra@bigpond.net.au>
63 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
64 fp regs if the last fp arg doesn't fit in regs.
66 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
69 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
70 that the last insn has the REG_INC note.
72 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
73 Nathan Sidwell <nathan@codesourcery.com>
76 * stor-layout.c (update_alignment_for_field): Do not align
78 (place_union_field): Place union field at the start of the union.
79 (place_field): Move ERROR_MARK check later, and use the current
80 allocation position to maintain monotonicity.
82 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
84 * dominance.c: Include timevar.h.
85 (calculate_dominance_info): Use TV_DOMINANCE.
86 * timevar.def (TV_DOMINANCE): New timevar.
87 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
89 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
91 PR rtl-optimization/14261
92 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
93 move would be an INSV insn.
94 (noce_process_if_block): Don't optimize if the destination is a
95 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
97 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
99 * config/s390/s390.md: Add comments with the instructions emitted
100 by an insn pattern if macros are used.
102 2006-04-19 Alan Modra <amodra@bigpond.net.au>
104 PR rtl-optimization/26026
105 * fold-const.c (fold_binary): Optimize div and mod where the divisor
106 is a known power of two shifted left a variable amount.
108 2006-04-18 Geoffrey Keating <geoffk@apple.com>
110 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
111 to hash table twice when the debug_str section has SECTION_MERGE.
113 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
115 * config/soft-fp: New directory. From glibc.
116 * config/soft-fp/t-softfp: New.
117 * config/soft-fp/README: New.
118 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
119 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
120 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
121 (LIBGCC_DEPS): Add $(SFP_MACHINE).
122 * config.gcc: Use rs6000/t-fprules-fpbit or
123 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
125 * config/rs6000/sfp-machine.h: New. Based on glibc.
126 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
128 * config/rs6000/t-fprules: Remove fp-bit rules.
129 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
130 * config/rs6000/t-linux64: Likewise. Remove duplicates from
131 LIB2FUNCS_EXTRA. Remove fp-bit rules.
132 (softfp_wrap_start, softfp_wrap_end): New.
134 2006-04-18 DJ Delorie <dj@redhat.com>
136 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
138 2006-04-18 Devang Patel <dpatel@apple.com>
140 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
142 2006-04-18 Nick Clifton <nickc@redhat.com>
144 * config/sh/t-symbian: Add rule to build sh-c.o
145 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
146 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
147 (sh_symbian_encode_section_info): Likewise.
149 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
151 * builtins.c (expand_builtin_strcmp): Cover label definition of
152 do_libcall with HAVE_cmpstrnsi.
154 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
156 * function.c (temp_slots_at_level, max_slot_level): Use VEC
158 * function.h (temp_slot_p): New.
159 (function): Change the type of x_used_temp_slots to
160 VEC(temp_slot_p,gc) *.
162 2006-04-18 Nick Clifton <nickc@redhat.com>
164 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
165 flag_strength_reduce.
167 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
169 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
173 Partial revert of revision 112637
174 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
175 Dale Johannesen <dalej@apple.com>
178 * regclass.c (struct reg_pref): Update documentation.
179 (regclass): Set prefclass to NO_REGS if memory is the best option.
180 (record_reg_classes): Cope with a prefclass set to NO_REGS.
182 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
184 PR tree-optimization/26821
185 * tree-ssa-math-opts.c (get_constant_one): New.
186 (insert_reciprocals): Use it.
188 2006-04-17 Geoffrey Keating <geoffk@apple.com>
190 * dwarf2out.c (free_AT): Delete.
191 (remove_AT): Update string ref counts.
192 (remove_child_TAG): Don't call free_die.
194 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
196 (prune_unused_types_walk_attribs): Reset string refcounts.
197 (prune_unused_types_update_strings): New.
198 (prune_unused_types_prune): Don't make unnecessary stores. Don't
199 call free_die. Do call prune_unused_types_update_strings.
200 (prune_unused_types): Empty debug_str_hash.
202 2006-04-17 Roger Sayle <roger@eyesopen.com>
204 * expr.c (expand_assignment): Optimize away no-op moves where the
205 source and destination are equal and have no side-effects.
207 2006-04-17 Richard Guenther <rguenther@suse.de>
210 * reload.c (push_reload): Guard calls to get_secondary_mem
213 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
215 * alias.c (reg_base_value, old_reg_base_value): Change the
216 type to VEC(rtx,gc) *.
217 (REG_BASE_VALUE, find_base_value, record_set,
218 init_alias_analysis): Use VEC instead of VARRAY.
220 * alias.c (alias_sets): Change the type to
221 VEC(alias_set_entry,gc) *.
222 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
223 VEC instead of VARRAY.
224 (last_alias_set): Remove.
226 * cgraph.h (cgraph_edge_p): New.
227 Update the prototype of cgraph_function_versioning.
228 * cgraphunit.c (cgraph_copy_node_for_versioning,
229 cgraph_function_versioning): Use VEC instead of VARRAY.
230 * ipa-cp.c (ipcp_insert_stage): Likewise.
232 2006-04-16 Roger Sayle <roger@eyesopen.com>
235 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
236 "A op B" or "A op C", we may need to convert A to the type of B and C.
238 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
240 * target.h (struct gcc_target): Add mode_rep_extended.
241 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
242 (init_num_sign_bit_copies_in_rep): Initialize it using
244 (truncate_to_mode): Use it.
245 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
246 * targhooks.h (default_mode_rep_extended): Declare it.
247 * targhooks.c (default_mode_rep_extended): Define it.
248 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
249 default_mode_rep_extended.
250 (TARGET_INITIALIZER): Include it.
251 * doc/tm.texi (Misc): Document it.
252 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
253 (mips_truncated_to_mode): New function.
255 2006-04-16 Roger Sayle <roger@eyesopen.com>
258 * expr.c (compress_float_constant): Copy the narrow constant into
259 a new pseudo before extending it to its final width.
261 2006-04-16 Roger Sayle <roger@eyesopen.com>
262 Andrew Pinski <pinskia@gcc.gnu.org>
263 Dale Johannesen <dalej@apple.com>
266 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
267 special case code to implement V8HImode and V16QImode with SSE2.
269 2006-04-15 Roger Sayle <roger@eyesopen.com>
271 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
272 trees are constructed with a suitable tree type.
274 2006-04-15 Roger Sayle <roger@eyesopen.com>
276 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
277 (integer_onep): Likewise.
278 (integer_all_onesp): Likewise.
279 (integer_pow2p): Likewise.
280 (integer_nonzerop): Likewise.
281 (real_zerop): Likewise.
282 (real_onep): Likewise.
283 (real_twop): Likewise.
284 (real_minus_onep): Likewise.
285 (int_size_in_bytes): Likewise.
286 (host_integerp): Likewise.
288 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
290 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
291 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
292 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
294 * tree-ssa-structalias.h (alias_info): Remove num_references.
296 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
298 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
299 (output_bvb patterns): Likewise.
300 * pa.c (output_bb): Use 'bb' insn for long branch case.
301 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
302 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
303 1. Correct length operand for alternatives 1 and 2.
304 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
305 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
307 2006-04-14 Roger Sayle <roger@eyesopen.com>
309 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
310 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
311 were accidentally reverted by r112959.
313 2006-04-15 Jakub Jelinek <jakub@redhat.com>
316 * except.h (eh_region_outermost): New prototype.
317 * except.c (eh_region_outermost): New function.
318 * tree-cfg.c (find_outermost_region_in_block): Use it.
320 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
322 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
324 * reload1.c (reg_equiv_memory_loc_varray): Rename to
325 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
326 (init_reload, reload): Use VEC instead of VARRAY.
327 * reload.h: Update the prototype for
328 reg_equiv_memory_loc_varray.
330 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
331 Eric Botcazou <ebotcazou@libertysurf.fr>
333 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
336 2005-04-13 Uros Bizjak <uros@kss-loka.si>
339 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
340 to expand fallback builtin function call.
342 2006-04-14 Alan Modra <amodra@bigpond.net.au>
345 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
346 and emit libcall here in case the builtin fails.
347 (expand_builtin_strcmp): Always emit the libcall here on failure.
349 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
351 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
352 * flow.c (reg_n_info): Change the type to
353 VEC(reg_info_p,heap) *.
354 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
356 * regs.h (reg_info_p): New.
357 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
358 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
359 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
362 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
364 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
366 * params.h (MAX_SCHED_READY_INSNS): New macro.
367 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
368 past MAX_SCHED_READY_INSNS during the first scheduling pass.
369 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
370 the ready list for 1 cycle during the first scheduling pass.
371 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
373 2006-04-13 Richard Henderson <rth@redhat.com>
376 * gimple-low.c (lower_omp_directive): Remove dead code.
377 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
378 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
379 * omp-low.c (struct omp_region): Move to tree-flow.h.
380 (root_omp_region): Export.
381 (omp_regions, lookup_omp_region): Remove.
382 (determine_parallel_type): Update for struct omp_region changes.
383 (dump_omp_region): Dump regions with block numbers.
384 (new_omp_region): Take type and block instead of stmt; malloc
386 (free_omp_region_1, free_omp_regions): New.
387 (expand_parallel_call): Take entry_stmt as argument; update for
388 changes to omp_region.
389 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
390 (remove_exit_barriers): New.
391 (expand_omp_parallel): Update for struct omp_region changes.
392 (expand_omp_synch): Likewise.
393 (expand_omp): Likewise.
394 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
395 (expand_omp_for_static_chunk): Likewise.
396 (expand_omp_for): Likewise.
397 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
398 (expand_omp_sections): Similarly, with GOMP_sections_end.
399 (expand_omp_single): New.
400 (build_omp_regions_1): Update for OMP_CONTINUE.
401 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
402 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
403 OMP_SECTIONS_SECTIONS.
404 (lower_omp_single_simple): Don't emit barrier here.
405 (lower_omp_single_copy): Likewise.
406 (lower_omp_single): Fix bindings, and lower to straightline now.
407 (lower_omp_master, lower_omp_ordered): Likewise.
408 (lower_omp_critical): Likewise.
409 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
410 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
411 omp edges, free it afterward.
412 (make_omp_sections_edges): Remove.
413 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
414 (move_stmt_r): Handle OMP_CONTINUE.
415 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
416 statement pointers to basic blocks. Add type member.
417 (root_omp_region, new_omp_region, free_omp_regions): Declare.
418 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
419 * tree-inline.c (estimate_num_insns_1): Likewise.
420 * tree-pretty-print.c (dump_generic_node): Likewise.
421 * tree-ssa-operands.c (get_expr_operands): Likewise.
422 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
423 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
425 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
426 (OMP_SECTIONS_SECTIONS): Remove.
427 (OMP_SECTION_LAST): New.
428 (OMP_RETURN_NOWAIT): New.
430 2006-04-13 Roger Sayle <roger@eyesopen.com>
432 * fold-const.c (native_encode_vector, native_interpret_real):
433 Correct obvious mistakes in the previous check-in.
435 2006-04-13 Roger Sayle <roger@eyesopen.com>
437 * fold-const.c (native_encode_expr): New function to encode
438 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
439 or VECTOR_CST into a specified buffer.
440 (native_encode_int): New function.
441 (native_encode_real): New function.
442 (native_encode_complex): New function.
443 (native_encode_vector): New function.
444 (native_interpret_expr): Inverse of native_encode_expr to convert
445 a target representation into an INTEGER_CST, REAL_CST etc...
446 (native_interpret_int): New function.
447 (native_interpret_real): New function.
448 (native_interpret_complex): New function.
449 (native_interpret_vector): New function.
450 (fold_view_convert_expr): New function to constant fold/evaluate
451 a VIEW_CONVERT_EXPR of a suitable constant expression.
452 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
453 Change call of build1 to fold_build1 when constructing a
456 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
457 Ulrich Weigand <uweigand@de.ibm.com>
460 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
463 2006-04-13 Alan Modra <amodra@bigpond.net.au>
466 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
467 optimize to lo_sum for DFmode if !TARGET_FPRS.
469 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
471 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
472 delete_alias_info, compute_flow_sensitive_aliasing,
473 group_aliases): Use VEC instead of VARRAY.
474 * tree-ssa-structalias.c (update_alias_info): Likewise.
475 * tree-ssa-structalias.h (alias_info): Change the type of
476 processed_ptrs to VEC(tree,heap) *.
478 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
481 * config/sh/lib1funcs.h: New file, broken out of:
482 * config/sh/lib1funcs.asm.
483 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
485 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
486 * config/sh/lib1funcs-Os-4-200.asm: New file.
487 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
488 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
489 (EXTRA_MULTILIB_PARTS): Include it.
490 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
491 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
492 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
493 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
496 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
498 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
499 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
500 tpa_compact, root_var_init, type_var_init): Use VEC instead of
502 * tree-ssa-live.h: Include vecprim.h.
503 (tree_partition_associator_d): Change the type of
504 first_partition to VEC(int,heap) *.
505 (tpa_first_partition): Use VEC instead of VARRAY.
507 * Makefile.in (GTFILES): Move functions.h after tree.h.
508 * function.c (reset_block_changes, record_block_change,
509 check_block_change, free_block_changes): Use VEC instead of
511 * function.h (function): Change the type of
512 ib_boundaries_block to VEC(tree,gc) *.
513 * tree-inline.c (copy_cfg_body): Initialize
514 ib_boundaries_block to NULL instead of (varray_type) 0.
516 2006-04-12 Roger Sayle <roger@eyesopen.com>
518 * expr.c (emit_group_store): Correct operand order in call to
519 subreg_lowpart_offset. Always create paradoxical SUBREGs with
520 a SUBREG_BYTE of zero.
522 2006-04-12 Richard Guenther <rguenther@suse.de>
524 * profile.c (compute_branch_probabilities): Remove code
525 encapsulated in !ir_type (), which are remanents of the
526 removed RTL profiling code.
527 * rtl-profile.c: Remove.
529 2006-04-12 Alan Modra <amodra@bigpond.net.au>
531 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
532 magic NULL_RTX comment.
533 (function_arg): Store entire fp arg to mem if any part should go
535 (rs6000_arg_partial_bytes): Adjust for above change.
537 2006-04-11 Roger Sayle <roger@eyesopen.com>
539 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
540 if it hasn't been initialized by dwarf2out_init.
542 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
544 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
545 symbolic constants in branch patterns.
547 2006-04-11 Roger Sayle <roger@eyesopen.com>
549 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
551 2006-04-11 Richard Sandiford <richard@codesourcery.com>
553 PR rtl-optimization/27073
554 * gcse.c (try_replace_reg): Revert last change. Continue to search
555 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
558 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
560 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
561 aggregate types other than record and union types.
562 (function_arg): Likewise.
563 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
565 (function_value): In 64-bit mode, return objects that require it
568 2006-04-11 Roger Sayle <roger@eyesopen.com>
570 * dwarf2out.c (premark_used_types): Remove problematic prototype.
572 2006-04-11 Jakub Jelinek <jakub@redhat.com>
574 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
576 2006-04-03 Jeff Law <law@redhat.com>
579 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
580 alias information too.
582 2006-04-10 Mike Frysinger <vapier@gentoo.org>
584 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
586 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
589 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
590 (premark_used_types_helper): New.
591 (premark_used_types): New.
592 (gen_subprogram_die): Call premark_used_types.
593 (prune_unused_types_walk): Do not prune perennial dies.
594 * function.c (used_types_insert): New.
595 * function.h (struct function): Add used_types_hash field.
596 (used_types_insert): Add prototype.
597 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
598 * c-parser.c (c_parser_cast_expression): Save casted types in used
601 2006-04-11 Mark Mitchell <mark@codesourcery.com>
604 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
605 rs6000_explicit_options.float_gprs.
607 2006-04-10 Roger Sayle <roger@eyesopen.com>
609 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
610 from ix86_expand_vector_init_low_nonzero. Take an additional
611 one_var argument indicating which element is non-zero. Support
612 one_var != 0 for V4SFmode and V4SImode by permuting the result.
613 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
614 with one_var instead of ix86_expand_vector_init_low_nonzero.
616 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
618 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
619 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
620 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
621 build/genextract.o): Depend on vecprim.h.
622 * cfglayout.c, df-problems.c, function.c, genextract.c,
623 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
624 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
628 2006-04-10 Geoffrey Keating <geoffk@apple.com>
630 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
631 Declare VECs of this type.
632 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
633 (remove_children): Delete.
634 (add_dwarf_attr): Use VEC routines.
635 (add_AT_flag): Update for changes to add_dwarf_attr.
636 (add_AT_int): Likewise.
637 (add_AT_unsigned): Likewise.
638 (add_AT_long_long): Likewise.
639 (add_AT_vec): Likewise.
640 (add_AT_string): Likewise.
641 (add_AT_die_ref): Likewise.
642 (add_AT_fde_ref): Likewise.
643 (add_AT_loc): Likewise.
644 (add_AT_loc_list): Likewise.
645 (add_AT_addr): Likewise.
646 (add_AT_lbl_id): Likewise.
647 (add_AT_lineptr): Likewise.
648 (add_AT_macptr): Likewise.
649 (add_AT_offset): Likewise.
650 (add_AT_range_list): Likewise.
651 (get_AT): Use VEC_iterate.
652 (remove_AT): Use VEC_ordered_remove.
653 (free_die): Fold remove_children into here; have it use VEC_iterate.
654 (print_die): Use VEC_iterate on attrs.
655 (reverse_die_lists): Don't reverse attr lists.
656 (die_checksum): Use VEC_iterate on attrs.
657 (same_die_p): Likewise.
658 (output_location_lists): Likewise.
659 (build_abbrev_table): Likewise.
660 (size_of_die): Likewise.
661 (unmark_all_dies): Likewise.
662 (output_abbrev_section): Likewise.
663 (output_die): Likewise.
664 (prune_unused_types_walk_attribs): Likewise.
666 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
668 * doc/install.texi (*-*-solaris2*): Point to the configure page.
670 2006-04-10 Jakub Jelinek <jakub@redhat.com>
673 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
675 2006-04-09 Roger Sayle <roger@eyesopen.com>
677 * expr.c (store_constructor): Don't bother clearing target if
678 we're about to assign a vector to it using vec_init_optab.
680 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
682 * tree-ssa-alias.c (lhs_may_store_to): New function.
683 (recalculate_used_alone): Handle LHS of calls.
685 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
689 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
690 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
691 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
692 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
693 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
694 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
695 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
696 stubs. Add ".align 8" directives before all ".dword" directives.
697 (GTHREAD_USE_WEAK): Revise comment.
698 (TARGET_ATTRIBUTE_WEAK): Define.
699 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
700 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
701 * stublib.c: New file.
706 * pa.md (cbranch patterns): Revise arguments used in calls to
707 output_cbranch, output_bb and output_bvd. Add long branch length
709 (fbranch patterns): Handle long branches.
710 (jump): Revise length check. Revise arguments for output_lbranch call.
711 Add long branch length attributes.
712 (decrement_and_branch_until_zero): Add long branch length attributes.
713 (output_movb, output_parallel_addb and output_parallel_movb patterns):
714 Likewise. Revise arguments for output_parallel_addb and
715 output_parallel_movb calls.
716 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
717 output_parallel_movb and output_parallel_addb): Update prototypes.
718 * pa.c (output_cbranch): Revise arguments. Correct handling of
719 nullification in long branches.
720 (output_lbranch): Add new argument to control extraction of delay
722 (output_bb): Handle long branches.
723 (output_bvb, output_dbra, output_movb, output_parallel_movb,
724 output_parallel_addb): Likewise.
726 2006-04-09 Richard Sandiford <richard@codesourcery.com>
728 PR rtl-optimization/27073
729 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
732 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
734 * tree.h (tree_memory_tag): Add old_used_alone.
735 (SMT_OLD_USED_ALONE): New macro.
736 * tree-ssa-alias.c (recalculate_used_alone): Stop
737 marking things for renaming unnecessarily.
739 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
741 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
742 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
743 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
744 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
745 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
746 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
747 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
748 spelling convensions.
749 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
750 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
751 typos. Follow spelling conventions.
753 2006-04-07 DJ Delorie <dj@redhat.com>
755 * config/m32c/m32c.c (m32c_function_arg): Structures are always
757 (m32c_init_cumulative_args): When a function returns a structure,
758 always pass the pointer to that return area on the stack.
759 (m32c_function_arg_advance): Don't increment the parameter number
760 if we're processing the returned structure pointer.
761 (pushm_info): Reverse order of registers.
763 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
765 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
766 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
767 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
768 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
770 * tree-chrec.c (chrec_fold_multiply_poly_poly,
771 chrec_fold_multiply): Same.
772 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
773 force_expr_to_var_cost): Same.
774 * tree-mudflap.c (mf_xform_derefs_1): Same.
775 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
777 2006-04-07 David Edelsohn <edelsohn@gnu.org>
779 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
780 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
783 2006-04-07 Jan Hubicka <jh@suse.cz>
785 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
787 2006-04-07 Richard Guenther <rguenther@suse.de>
789 PR tree-optimization/26135
790 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
791 loads for store copy-prop.
792 (copy_prop_visit_stmt): Likewise.
794 2006-04-05 Robert Millan <robertmh@gnu.org>
796 * gcc/config/i386/linux.h: Add a comment to mark macros that are
797 being overriden in config/k*bsd-gnu.h.
798 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
800 * gcc/config/knetbsd-gnu.h: Ditto.
802 2006-04-06 Jan Hubicka <jh@suse.cz>
806 * coverage.c (coverage_checksum_string): Reorganize loop to not read
809 2006-04-06 Mike Stump <mrs@apple.com>
811 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
812 for HAVE_nonlocal_goto to be consistent.
813 (expand_builtin_nonlocal_goto): Likewise.
814 (expand_builtin_strcmp): Use #ifdef instead of #if
815 for HAVE_cmpstrnsi to be consistent.
817 2006-04-05 DJ Delorie <dj@redhat.com>
819 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
822 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
824 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
825 got-relative addressing for anything but SImode.
827 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
828 even if the calling function doesn't modify them.
830 2006-04-05 Richard Guenther <rguenther@suse.de>
832 PR tree-optimization/26919
833 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
834 to cgraph_estimate_size_after_inlining.
836 2006-04-05 Alan Modra <amodra@bigpond.net.au>
838 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
840 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
842 PR tree-optimization/26996
843 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
844 VECTOR_TYPE variables.
846 2006-04-05 Richard Guenther <rguenther@suse.de>
848 PR tree-optimization/26763
849 * fold-const.c (fold_comparison): Move folding of
850 PTR + CST CMP PTR + CST ...
851 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
853 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
855 * doc/install.texi (Prerequisites): Refine some wording on
856 bootstrapping and ksh.
857 Move the version numbers of DejaGnu here from the testing section
858 and fix casing of names.
859 Fix markup and clarify wording for autogen requirements.
860 Refer to GCJ instead of just java.
861 Refer to SVN instead of CVS.
862 Describe diffutils as useful instead of necessary.
863 (Downloading the source): Refer to SVN instead of CVS.
864 Adjust a link to our web site accordingly.
865 (Configuration): Fix casing of Bison.
866 (Building): Refer to SVN instead of CVS.
867 Fix a sentence on the use of Bison and remove duplicate (and
868 incorrect) version number of Bison requirement.
869 Remove one redundant list of packages needed for building.
870 (Specific): Avoid reference to CVS.
872 2006-04-04 Eric Christopher <echristo@apple.com>
874 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
875 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
876 (rs6000_handle_struct_attribute): New.
877 (rs6000_ms_bitfield_layout_p): Ditto.
879 2006-04-04 Geoffrey Keating <geoffk@apple.com>
881 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
882 NULL for dso parameter to atexit_common.
884 2006-04-04 Eric Christopher <echristo@apple.com>
886 * config/i386/i386.c (machopic_output_stub): Output \t
887 between instructions and operands.
889 2006-04-04 David Edelsohn <edelsohn@gnu.org>
891 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
892 satisfies_constraint_[IL] to explicit tests on value.
894 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
896 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
897 set_nb_iterations_in_loop): Use build_int_cst instead of
899 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
900 build_int_cst instead of convert.
902 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
904 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
905 new value 2 for incoming.
906 * function.c (expand_function_start): Call struct_value_rtx
908 * config/sparc/sparc.md: Comment updated_return.
909 * config/sparc/sparc.opt: Add -mstd-struct-return option.
910 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
911 struct return if sparc_std_struct_return and incoming is 2.
912 (print_operand): Do not adjust return if
913 sparc_std_struct_return.
915 2006-04-04 Roger Sayle <roger@eyesopen.com>
917 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
918 convert in the middle-end.
919 * expr.c (store_expr, store_constructor, get_inner_reference,
920 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
922 * tree.c (build_range_type): Likewise.
924 2006-04-04 Tom Tromey <tromey@redhat.com>
926 * doc/install.texi (Prerequisites): Mention jar.
928 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
930 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
933 2006-04-04 Matthias Klose <doko@debian.org>
935 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
937 2006-04-03 Geoffrey Keating <geoffk@apple.com>
939 * doc/extend.texi (Function Attributes): Rewrite visibility
940 attribute documentation.
941 * doc/invoke.texi (C++ Dialect Options): Rewrite
942 -fvisibility-inlines-hidden documentation to describe something
943 entirely different, although in practise compatible.
944 (Code Gen Options): Warn about system headers in -fvisibiltity=
947 * doc/extend.texi (Other Builtins): Document that
948 __builtin_nan is a compile-time constant only when its argument
951 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
953 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
954 trying to remove TRUNCATE check if all bits outside the new mode
955 are identical to the sign bit.
957 2006-04-03 Jeff Law <law@redhat.com>
959 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
960 and operand scanning in some common cases.
962 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
963 Dale Johannesen <dalej@apple.com>
966 * regclass.c (struct reg_pref): Update documentation.
967 (regclass): Set prefclass to NO_REGS if memory is the best option.
968 (record_reg_classes): Cope with a prefclass set to NO_REGS.
969 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
970 into account. For non-registers, equate an empty preferred
971 reload class to a `!' in the constraint; move the if clause to
972 do so after those that reject the insn.
973 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
975 (find_dummy_reload): Likewise.
976 * doc/tm.texi (Register Classes): Document what it means
977 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
978 * config/i386/i386.c (ix86_preferred_reload_class): Force
979 using SSE registers (and return NO_REGS for floating-point
980 constants) if math is done with SSE.
981 (ix86_preferred_output_reload_class): New.
982 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
983 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
984 * config/i386/i386.md: Remove # register preferences.
986 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
989 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
990 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
992 (instantiate_parameters_1): Convert the operands before calling
993 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
994 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
996 2006-04-02 Roger Sayle <roger@eyesopen.com>
998 * builtins.c (dummy_object): Use build_int_cst instead of convert.
999 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1001 * dojump.c (do_jump): Likewise.
1002 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1003 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1004 gimplify_boolean_expr): Likewise.
1005 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1006 * varasm.c (array_size_for_constructor): Likewise.
1007 * tree-object-size.c (compute_object_offset): Likewise.
1009 2006-04-02 Roger Sayle <roger@eyesopen.com>
1012 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1013 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1015 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1017 PR tree-optimization/26939
1018 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1020 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1022 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1023 at_stmt. Convert the type of operands before calling
1024 build_polynomial_chrec.
1025 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1027 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1028 (instantiate_parameters_1): Convert the type of operands before calling
1029 build_polynomial_chrec.
1030 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1031 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1032 reset_evolution_in_loop): Insert asserts to check the types of the
1034 (chrec_type): Moved...
1035 (eq_evolutions_p): Use operand_equal_p.
1036 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1037 the types of the operands.
1038 (chrec_type): ...here.
1039 * tree-data-ref.c (create_data_ref): Convert the operands before
1040 calling chrec_replace_initial_condition.
1041 (same_access_functions, analyze_subscript_affine_affine,
1042 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1043 (compute_subscript_distance, analyze_ziv_subscript,
1044 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1045 analyze_miv_subscript): Convert the operands before calling
1046 chrec_fold_minus or chrec_fold_plus.
1048 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1050 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1051 the dependence_relations vector.
1052 (compute_data_dependences_for_loop): Adjust call to
1053 compute_all_dependences.
1055 2006-04-01 Roger Sayle <roger@eyesopen.com>
1056 Richard Henderson <rth@redhat.com>
1058 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1059 gimple_boolify on the condition before calling gimplify_expr.
1061 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1063 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1064 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1065 the frame size. Update to use the new macros.
1066 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1067 * config/xtensa/ieee754-df.S: Likewise.
1069 2006-03-31 Richard Henderson <rth@redhat.com>
1071 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1072 (make_edges): ... here. Control fallthru creation with a local
1073 variable. Do not play with fake edges.
1074 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1075 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1078 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1080 * dwarf2.h (DW64_CIE_ID): Define.
1081 * dwarf2out.c (DWARF_CIE_ID): Define.
1082 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1083 length header. Use DWARF_CIE_ID.
1084 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1085 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1087 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1089 * config/sh/linux-atomic.asm: New file.
1090 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1092 2006-03-31 DJ Delorie <dj@redhat.com>
1094 * config/m32c/cond.md: Set condition flags properly throughout.
1095 * config/m32c/minmax.md: Likewise.
1096 * config/m32c/prologue.md: Likewise.
1097 * config/m32c/bitops.md: Likewise.
1098 * config/m32c/muldiv.md: Likewise.
1099 * config/m32c/mov.md: Likewise.
1100 * config/m32c/addsub.md: Likewise.
1101 * config/m32c/m32c.md: Likewise.
1102 * config/m32c/jump.md: Likewise.
1103 * config/m32c/shift.md: Likewise.
1105 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1106 conditionally output the pattern for this.
1107 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1108 (m32c_compare_redundant): New.
1109 (m32c_output_compare): New.
1110 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1112 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1113 dest, not src. Allow other 4-byte modes.
1115 2006-03-30 Denis Chertykov <denisc@overta.ru>
1117 * doc/md.texi: Refer to avr/constraints.md instead of
1120 2006-03-30 Roger Sayle <roger@eyesopen.com>
1122 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1123 signed vs. unsigned comparison failures on some hosts.
1125 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1128 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1129 change to FLOAT_REGS.
1131 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1132 (rs6000_override_options): Use it.
1133 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1134 only for -mabi=spe/no-spe and -mabi=altivec.
1136 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1138 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1141 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1143 * Makefile.in: Rename docdir to gcc_docdir.
1145 2006-03-30 Roger Sayle <roger@eyesopen.com>
1148 * expr.c (emit_group_store): Optimize group stores into a pseudo
1149 register by using a paradoxical subreg to initialize the destination
1150 if the first or last member of the group specifies a "low part".
1152 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1155 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1156 * target.h (struct gcc_target.speculate_insn): Change type of the
1157 second parameter to 'int'.
1158 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1159 the second operand of the DEPS_LIST.
1160 (copy_DEPS_LIST_list): Update reference to the second operand of the
1162 * rtl.h (alloc_DEPS_LIST): Update signature.
1163 * sched-int.h (ds_t): Change typedef to 'int'.
1164 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1166 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1168 * haifa-sched.c (try_ready): Change condition to restore
1169 non-speculative pattern of the instruction.
1170 (process_insn_depend_be_in_spec): Code to keep probability of the
1171 speculative dependence non-decreasing.
1173 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1175 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1176 (single_move_for_movmem): ... this. Also change all uses.
1177 (bfin_expand_strmov): Renamed to...
1178 (bfin_expand_movmem): ... this. Also change all uses.
1179 * config/bfin/bfin.md (movstrsi): Renamed to...
1180 (movstrsi): ...this.
1182 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1184 PR tree-optimization/26830
1186 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1187 (copy_prop_visit_stmt): Remove write-only variable ann.
1188 (init_copy_prop): Check variable loop depth here. Do not simulate
1189 memory-tag and virtual operand PHIs except for store copy prop.
1191 2006-03-30 Richard Guenther <rguenther@suse.de>
1193 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1194 variants with double arguments.
1196 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1198 * genpreds.c (write_tm_constrs_h): Delete variable p.
1199 * genconditions.c (write_header): Add tm-constrs.h to included
1201 * genpeep.c (main): Add toplev.h to included headers.
1202 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1203 (build/genpeep.o): Add toplev.h dependency.
1204 * config/rs6000/constraints.md: Add "W" constraint.
1206 2006-03-29 Roger Sayle <roger@eyesopen.com>
1208 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1209 sizes by correctly testing whether the size fits a host integer.
1210 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1211 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1212 SImode range for the default sizetype and bitsizetype.
1214 2006-03-29 Roger Sayle <roger@eyesopen.com>
1216 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1217 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1218 quickly if the argument is already of the correct type.
1219 Call fold_build1 instead of build1. Tidy up blank lines.
1221 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1223 * genemit.c (main): Add tm-constrs.h to included headers.
1224 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1225 * genpeep.c (main): Add tm-constrs.h to included headers.
1226 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1227 (write_tm_constrs_h): this and write complete file.
1228 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1229 (write_insn_preds_c): Add tm-constrs.h to included headers.
1230 (gen_constrs): New variable.
1231 (parse_option): Parse "-c".
1232 (main): Invoke write_tm_constrs_h.
1233 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1234 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1235 (object_out_file): Add tm-constrs.h dependency.
1236 (insn-emit.o): Same.
1237 (insn-output.o): Same.
1238 (insn-peep.o): Same.
1239 (insn-preds.o): Same.
1240 (insn-recog.o): Same.
1241 (tm-constsr.h): New target.
1242 (s-constrs-h): New target.
1244 * config/rs6000/constraints.md: New file.
1245 * config/rs6000/rs6000.c: Include tm-constrs.h.
1246 (num_insn_constant_wide): Convert to satisfies_constraint.
1247 (rs6000_rtx_costs): Convert to satisfies_constraint.
1248 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1249 (CONST_OK_FOR_LETTER_P): Delete.
1250 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1251 (EXTRA_CONSTRAINT): Delete.
1252 (EXTRA_MEMORY_CONSTRAINT): Delete.
1253 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1254 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1255 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1256 satisfies_constraint.
1258 * config/i386/i386.c: Include tm-constrs.h.
1260 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1262 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1263 * tree-data-ref.c (find_data_references_in_loop,
1264 compute_data_dependences_for_loop): Use pointers to VEC.
1265 (analyze_all_data_dependences): Adjust calls.
1266 * tree-data-ref.h (find_data_references_in_loop,
1267 compute_data_dependences_for_loop): Adjust declarations.
1268 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1269 compute_data_dependences_for_loop.
1271 2006-03-29 Paul Brook <paul@codesourcery.com>
1273 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1276 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1278 PR tree-optimization/26859
1279 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1281 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1282 for the step after fold_convert.
1284 2006-03-29 Paul Brook <paul@codesourcery.com>
1286 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1287 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1289 2006-03-29 Paul Brook <paul@codesourcery.com>
1292 * targhooks.c (default_narrow_bitfield): New fuction.
1293 * targhooks.h (default_narrow_bitfield): add prototype.
1294 * target.h (gcc_target): Add narrow_volatile_bitfield.
1295 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1296 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1297 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1298 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1300 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1302 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1304 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1305 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1306 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1307 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1308 (s390_function_arg_float): Allow SDmode and DDmode values to be
1309 passed in floating point registers.
1310 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1311 check with SCALAR_FLOAT_MODE_P.
1312 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1314 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1316 PR tree-optimization/25985
1317 * tree-ssa-loop-niter.c (number_of_iterations_le,
1318 number_of_iterations_ne): Make comments more precise.
1319 (number_of_iterations_cond): Add only_exit argument. Use the
1320 fact that signed variables do not overflow only when only_exit
1322 (loop_only_exit_p): New.
1323 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1324 number_of_iterations_cond.
1326 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1328 PR tree-optimization/26643
1329 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1332 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1334 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1335 (divsi3_i4_int): Likewise.
1337 2006-03-28 Roger Sayle <roger@eyesopen.com>
1339 * expr.c (emit_group_store): Only create a new pseudo reg if the
1340 quantity it needs to hold isn't already a suitable pseudo.
1342 2006-03-28 Jeff Law <law@redhat.com>
1344 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1345 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1347 2006-03-28 Roger Sayle <roger@eyesopen.com>
1349 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1350 the equivalent ~X & Y, and the symmetry related transformations.
1351 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1352 ~X & Y, and symmetry related transforms.
1354 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1356 Revert my 2006-03-27 patches.
1358 2006-03-28 Roger Sayle <roger@eyesopen.com>
1360 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1361 ~(T1)X, when T1 and T2 are integer types of the same precision
1362 and (T2)X isn't an extension.
1364 2006-03-28 Jeff Law <law@redhat.com>
1366 PR tree-optimization/26796
1367 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1368 need EH edge cleanups rather than purging them immediately.
1369 (eliminate_degenerate_phis): Handle queued EH cleanups.
1371 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1373 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1376 2006-03-27 Roger Sayle <roger@eyesopen.com>
1379 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1380 cast BIT_NOT_EXPR operand to the correct type.
1382 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1384 * tree-loop-linear.c: Don't include varray.h.
1385 (gather_interchange_stats, try_interchange_loops,
1386 linear_transform_loops): Use VEC instead of VARRAY.
1387 * lambda-mat.c: Don't include varray.h.
1388 * tree-chrec.c: Same.
1389 * lambda-trans.c: Same.
1390 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1391 VEC instead of VARRAY.
1392 * tree-vectorizer.h: Idem.
1393 * tree-data-ref.c (dump_data_references,
1394 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1395 initialize_data_dependence_relation, finalize_ddr_dependent,
1396 compute_all_dependences, find_data_references_in_loop,
1397 compute_data_dependences_for_loop, analyze_all_data_dependences,
1398 free_dependence_relation, free_dependence_relations,
1399 free_data_refs): Idem.
1400 * tree-data-ref.h (data_reference_p, subscript_p): New.
1401 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1402 VEC instead of VARRAY.
1403 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1404 (find_data_references_in_loop, compute_data_dependences_for_loop,
1405 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1406 dump_data_dependence_relations, free_dependence_relations,
1407 free_data_refs): Adjust declaration.
1408 (lambda_transform_legal_p): Move declaration here...
1409 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1410 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1411 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1412 vect_analyze_data_refs): Use VEC instead of VARRAY.
1413 * lambda.h (lambda_transform_legal_p): ...from here.
1414 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1415 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1416 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1417 tree-chrec.o): Don't depend on VARRAY_H.
1419 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1421 * rtl.def (Copyright): Update date.
1422 (DEPS_LIST): Change type of the second operand to 'int'.
1423 * target.h (Copyright): Update date.
1424 (struct gcc_target.speculate_insn): Change type of the second parameter
1426 * lists.c (Copyright): Update date.
1427 (alloc_DEPS_LIST): Change signature. Update reference to the second
1428 operand of the DEPS_LIST.
1429 (copy_DEPS_LIST_list): Update reference to the second operand of the
1431 * rtl.h (Copyright): Update date.
1432 (alloc_DEPS_LIST): Update signature.
1433 * sched-int.h (Copyright): Update date.
1434 (ds_t): Change typedef to 'int'.
1435 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1437 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1439 * haifa-sched.c (Copyright): Update date.
1440 (try_ready): Change condition to restore non-speculative pattern
1442 (process_insn_depend_be_in_spec): Code to keep probability of the
1443 speculative dependence non-decreasing.
1445 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1447 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1448 shut up the compiler.
1450 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1452 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1453 to use lib prefix for target.
1454 ($(T)libic_invalidate_array_4-200.a): Likewise.
1455 ($(T)libic_invalidate_array_4a.a): Likewise.
1457 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1458 J"orn Rennecke <joern.rennecke@st.com>
1460 * superh.opt: New file.
1461 * sh.c (boardtype, osruntime): Remove.
1462 * superh.h (SUBTARGET_OPTIONS): Remove.
1463 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1465 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1466 arguments with ^ and/or [].
1468 * config.gcc (sh-*-*): Add quoting to account for quirk of
1470 Replace == with = in enable_incomplete_targets test.
1472 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1473 with MASK_LITTLE_ENDIAN.
1475 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1476 * config/sh/sh.opt: Added to some comments.
1477 * config/sh/superh.h: Removed some chaff.
1479 * config/sh/sh.opt: Add m4-[1234]00* options.
1480 * config/sh/sh.c (sh_handle_option): Likewise.
1481 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1482 (ic_invalidate_array_4-100.o): New rule.
1483 ($(T)libic_invalidate_array_4-100.a): Likewise.
1484 (ic_invalidate_array_4-200.o): Likewise.
1485 ($(T)libic_invalidate_array_4-200.a): Likewise.
1486 (ic_invalidate_array_4a.o): Likewise.
1487 ($(T)libic_invalidate_array_4a.a): Likewise.
1488 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1489 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1491 * config/sh/crt1.asm: Merged in profiling code.
1492 * config/sh/superh.h (STARTFILE_SPEC): Override.
1493 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1494 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1495 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1497 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1498 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1499 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1501 * sh.opt (mpretend-cmove): New option.
1502 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1503 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1504 (movsicc): Add TARGET_PRETEND_CMOVE code.
1506 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1508 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1509 s390_class_max_nregs): New function prototypes.
1510 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1511 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1512 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1513 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1515 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1517 * dwarf2out.c (add_location_or_const_value_attribute): Call
1518 tree_add_const_value_attribute if nothing else works.
1519 (reference_to_unused): New.
1520 (rtl_for_decl_init): Use reference_to_unused to decide whether
1521 to output an initializer.
1523 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1526 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1527 peephole removing spe frob_di_df_2.
1529 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1531 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1532 (subscript_dependence_tester_1): Declared.
1533 (print_dir_vectors, print_dist_vectors): New.
1534 (debug_data_dependence_relation): New.
1535 (dump_data_dependence_relation): Print more details.
1536 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1537 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1538 (save_dist_v, save_dir_v, add_outer_distances,
1539 build_classic_dist_vector_1): New.
1540 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1541 Don't test for lambda_vector_lexico_pos.
1542 (same_access_functions, add_multivariate_self_dist,
1543 add_other_self_distances, dir_from_dist): New.
1544 (build_classic_dir_vector): Replace implementation almost identical to
1545 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1547 (subscript_dependence_tester_1): New.
1548 (subscript_dependence_tester): Handle the lexicographically negative
1549 distance vectors by recomputing the dependence relation.
1550 (compute_affine_dependence): Remove parameter loop_nest_depth.
1551 (compute_self_dependence): Don't call compute_subscript_distance.
1552 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1553 Add a parameter for the loop_nest.
1554 (find_loop_nest_1, find_loop_nest): New.
1555 (compute_data_dependences_for_loop): Compute the loop nest, and give
1556 up if the nest is not well formed.
1557 * tree-data-ref.h (loop_p): New.
1558 (struct data_dependence_relation): Replace size_vect field with
1559 loop_nest, a vec of loops.
1560 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1561 (DDR_LOOP_NEST): New.
1562 (print_dir_vectors, print_dist_vectors,
1563 debug_data_dependence_relation): Declared.
1564 (index_in_loop_nest): New.
1565 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1566 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1569 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1571 * simplify-rtx.c (simplify_relational_operation): Call
1572 simplify_relational_operation_1 even if mode is VOIDmode.
1574 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1576 PR tree-optimization/26804
1577 * tree.h (DECL_CALL_CLOBBERED): New macro.
1578 (tree_decl_common): Add call_clobbered_flag.
1579 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1580 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1581 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1582 (mark_non_addressable): Ditto.
1583 * tree-ssa.c (verify_call_clobbered): New function.
1584 (verify_alias_info): Use it.
1585 * tree-pass.h (pass_reset_cc_flags): New prototype.
1586 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1587 (reset_cc_flags): New function.
1588 * passes.c (init_optimization_passes): Call reset_cc_flags after
1589 initializing referenced_vars.
1591 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1592 Roger Sayle <roger@eyesopen.com>
1595 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1596 to 1.0 for non-real operands. Implement A / A optimization for
1599 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1601 * config/i386/i386.c (size_cost): Correct the comment for
1602 cost of storing fp registers.
1603 (i386_cost): Likewise.
1604 (i486_cost): Likewise.
1605 (pentium_cost): Likewise.
1606 (pentiumpro_cost): Likewise.
1607 (k6_cost): Likewise.
1608 (athlon_cost): Likewise.
1609 (k8_cost): Likewise.
1610 (pentium4_cost): Likewise.
1611 (nocona_cost): Likewise.
1612 (generic64_cost): Likewise.
1613 (generic32_cost): Likewise.
1615 2006-03-24 Denis Chertykov <denisc@overta.ru>
1617 * config/avr/avr-protos.h (extra_constraint): Delete.
1618 (extra_constraint_Q): New declaration.
1619 * config/avr/constraints.md: New file.
1620 * config/avr/avr.md: Include it.
1621 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1622 (TMP_REGNO, ZERO_REGNO): Likewise.
1623 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1624 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1625 (extra_constraint): Delete.
1626 (extra_constraint_Q): Test for memory constraint 'Q'.
1627 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1628 (REG_CLASS_FROM_LETTER): Delete.
1629 (CONST_OK_FOR_LETTER_P): Delete.
1630 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1631 (EXTRA_CONSTRAINT): Delete.
1632 (TMP_REGNO): Delete.
1633 (ZERO_REGNO): Delete.
1635 2006-03-24 Jeff Law <law@redhat.com>
1637 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1638 directly. Call mark_new_vars_to_rename slightly earlier.
1640 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1642 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1644 (gen_compile_unit_die): Use new language types for Objective-C and
1646 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1647 DW_LANG_C_plus_plus.
1650 * config/t-darwin (crt3.o): Work around bug 26840.
1651 * config/darwin-crt3.c: Rewrite.
1652 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1654 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1656 * doc/invoke.texi: Document -femit-class-debug-always
1657 * common.opt: Add -femit-class-debug-always.
1659 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1661 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1662 index and base register.
1663 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1664 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1665 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1666 REGNO_OK_FOR_INDEX_P.
1667 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1669 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1670 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1671 REG_OK_FOR_BASE_P): Definitions removed.
1673 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1676 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1677 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1678 set yet or weren't marked as local yet.
1680 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1682 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1685 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1687 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1688 (rs6000_legitimate_small_data_p): Delete.
1689 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1690 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1691 and make static. Add forward declaration. Update uses.
1692 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1693 of offsettable_memref_p.
1694 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1695 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1697 2006-03-24 Jeff Law <law@redhat.com>
1699 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1700 around bug in immediate-use iterator.
1702 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1705 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1706 or __LITTLE_ENDIAN__.
1708 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1710 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1711 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1712 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1713 * config/sh/sh.opt (mdiv=): Amend description.
1714 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1715 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1716 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1717 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1718 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1719 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1720 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1721 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1722 TARGET_DIVIDE_CALL_FP.
1724 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1726 * haifa-sched.c (choose_ready): Fix type of the local variable.
1727 Move local variables. Add comment.
1728 (check_reg_live): Change signature. Make callable from debugger.
1729 * sched-int.h (check_reg_live): Update signature.
1730 * sched-ebb.c (check_reg_live): Update parameters.
1731 * sched-rgn.c (check_reg_live): Ditto.
1732 (region_head_or_leaf_p): Check pointer before dereferencing.
1733 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1734 before reload on optimization levels below 1.
1736 2006-03-23 Richard Henderson <rth@redhat.com>
1738 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1742 * config/alpha/predicates.md (local_symbolic_operand): Reject
1745 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1748 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1749 expressions which have overflowed constants.
1751 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1753 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1755 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1757 * cfgloopmanip.c (create_loop_notes): Removed.
1758 * final.c (final_scan_insn): Do not handle loop notes.
1759 * jump.c (squeeze_notes): Ditto.
1760 * cfglayout.c (skip_insns_after_block,
1761 duplicate_insn_chain): Ditto.
1762 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1764 * cfgloop.h (create_loop_notes): Declaration removed.
1766 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1768 * varasm.c (output_constant_pool): Restore fnname and fndecl
1770 (assemble_start_function): Adjust call accordingly.
1771 (assemble_end_function): Likewise.
1773 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1776 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1779 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1781 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1784 * system.h (ICE_EXIT_CODE): New macro.
1785 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1786 (diagnostic_action_after_output): Likewise.
1787 * gcc.c (fatal_ice): New function.
1788 (execute): Use it instead of fatal.
1789 (fancy_abort): Likewise.
1790 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1792 2006-03-22 Jeff Law <law@redhat.com>
1794 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1795 iv_analyze_result returning false.
1797 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1799 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1801 2006-03-22 Richard Henderson <rth@redhat.com>
1804 * except.c (duplicate_eh_regions_0): New.
1805 (duplicate_eh_region_1): Duplicate the children of the node as
1806 well as the node itself. Link them up properly.
1807 (duplicate_eh_region_2): Merge into ...
1808 (duplicate_eh_regions): ... here. Take copy_region argument, and
1809 copy only a sub-tree if asked. Simplify copying and fixup.
1810 (eh_region_outer_p): New.
1811 * except.h (duplicate_eh_regions): Update decl.
1812 (eh_region_outer_p): Declare.
1813 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1814 (lower_omp_master): Likewise.
1815 (lower_omp_ordered): Likewise.
1816 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1817 (move_stmt_r): Use it to remap labels. Handle recursion vs
1818 remap_decls_p properly.
1819 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1820 (find_outermost_region_in_block): New.
1821 (new_label_mapper): New.
1822 (move_sese_region_to_fn): Copy eh information to the new function
1824 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1826 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1829 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1831 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1832 into shared libraries.
1834 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1836 * doc/md.texi: Refer to i386/constraints.md instead of
1838 * config/i386/constraints.md: New file, extracted from...
1839 * config/i386/predicates.md: ...here.
1840 * config/i386/i386.md: Include constraints.md.
1842 2006-03-21 Jason Merrill <jason@redhat.com>
1844 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1847 * expr.c (init_block_move_fn): Force default visibility.
1848 (init_block_clear_fn): Likewise.
1849 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1850 * targhooks.c (default_external_stack_protect_fail): Likewise.
1852 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1854 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1855 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1856 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1857 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1858 (loadgp): Use mips_current_loadgp_style.
1859 (loadgp_noshared): New pattern.
1860 (sibcall_internal): Use MIPS_CALL.
1861 (sibcall_value_internal): Likewise.
1862 (sibcall_value_multiple_internal): Likewise.
1863 (call_internal): Likewise.
1864 (call_value_internal): Likewise.
1865 (call_value_multiple_internal): Likewise.
1866 (call_split): Use MIPS_CALL and add an 'S' constraint.
1867 (call_value_split): Likewise.
1868 (call_value_multiple_split): Likewise.
1869 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1870 (-mshared): New option.
1871 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1872 (mips_current_loadgp_style): Declare.
1873 * config/mips/mips.c (mips_classify_symbol): Avoid using
1874 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1875 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1876 TARGET_ABSOLUTE_ABICALLS.
1877 (override_options): Adjust comments. Improve the warning that is
1878 issued when -mabicalls and -G are used together.
1879 (mips_file_start): Remove comment.
1880 (mips_current_loadgp_style): New function.
1881 (mips_gnu_local_gp): New variable.
1882 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1884 (mips_output_function_prologue): Use mips_current_laodgp_style.
1885 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1886 the cprestore instruction.
1887 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1888 live for TARGET_ABSOLUTE_ABICALLS.
1889 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1890 (ASM_SPEC): Pass down -mshared and -mno-shared.
1891 (MIPS_CALL): New macro.
1892 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1894 * doc/invoke.texi (-mabicalls): Update documentation.
1895 (-mshared): Document.
1897 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1899 * config/ia64/unwind-hpux.c: New file.
1900 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1902 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1905 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1907 2006-03-21 Jeff Law <law@redhat.com>
1909 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1910 type conversions of a VR_VARYING source to a wider type.
1912 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1914 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1915 tm_file on Solaris 10 and later.
1916 (sparc64-*-solaris2*): Likewise.
1917 (sparc-*-solaris2*): Likewise.
1918 * config/sol26.h: Rename to config/sol2-6.h.
1919 * config/sol2-10.h: New file.
1921 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1924 * tree-ssa-pre.c (create_component_ref_by_pieces):
1927 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1930 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1931 return it immediately.
1933 2006-03-21 Michael Matz <matz@suse.de>
1935 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1937 (remove_arc, add_arc): Update num_out_arcs member.
1938 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1940 (cache_presence): New function.
1941 (compare_states_for_equiv): New function.
1942 (state_is_differed): Don't take number of outargs, adjust callers.
1943 Use new invariant for speeding up.
1944 (init_equiv_class): Create initial classes based on sorted
1946 (partition_equiv_class): Don't track out_arcs_num.
1947 (evaluate_equiv_classes): Call cache_presence on all states and
1950 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1952 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1953 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1954 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1955 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1957 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1958 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1959 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1960 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1961 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1963 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1964 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1965 (REGNO_REG_CLASS): ARGP is in PREGS.
1966 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1968 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1969 to deal with those addresses.
1970 * addresses.h: New file.
1971 * caller-save.c: Include "addresses.h".
1972 (init_caller_save): Use new base_reg_class function.
1973 * rtl-factoring.c: Include "addresses.h".
1974 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1975 * recog.c: Include "addresses.h".
1976 (preprocess_constraints): Use new base_reg_class function.
1977 * regrename.c: Include "addresses.h".
1978 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1979 functions. Keep track of a new var INDEX_CODE to compute valid
1981 (replace_oldest_value_addr): Likewise.
1982 (replace_oldest_value_mem): Use base_reg_class.
1983 * reload.c: Include "addresses.h".
1984 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1985 (find_reloads): Use new base_reg_class function.
1986 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1987 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1988 all callers and prototype changed.
1989 * reload1.c: Include "addresses.h".
1990 (maybe_fix_stack_asms): Use base_reg_class.
1991 * regclass.c: Include "addresses.h".
1992 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1993 (init_reg_autoinc): Use new base_reg_class function.
1994 (record_reg_classes): Likewise.
1995 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1996 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1997 Use new args to compute necessary class.
1999 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2000 regrename.o, rtl-factoring.o): Update dependencies.
2001 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2002 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2003 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2004 REG_OK_FOR_INDEX_P): Delete documentation.
2006 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2008 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2009 from V7 to V9 for Solaris 7 and above.
2011 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2013 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2014 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2015 argument pointers may not alias any other storage.
2016 * common.opt: Define option -fargument-noalias-anything.
2017 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2018 alias semantics is specified by flag_argument_noalias > 2.
2020 2006-03-20 Jeff Law <law@redhat.com>
2022 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2023 (pass_phi_only_cprop): Declare.
2024 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2026 * tree-ssa-dom.c (degenerate_phi_result): New function.
2027 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2028 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2029 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2030 (eliminate_degenerate_phis): Likewise.
2031 (pass_phi_only_cprop): New pass descriptor.
2032 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2033 support code. Callers updated.
2034 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2035 (store_copy_prop): Likewise.
2036 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2038 2006-03-20 Jason Merrill <jason@redhat.com>
2041 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2042 (push_visibility, pop_visibility): Likewise.
2043 * c-pragma.h: Declare them.
2045 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2047 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2049 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2050 parameter and use get_ebb_head_tail.
2051 (sh_md_init_global): Adjust uses of find_regmode_weight.
2053 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2055 * function.h (struct function) <x_tail_recursion_reentry>:
2056 Rename to x_stack_check_probe_note.
2057 (tail_recursion_reentry): Rename to stack_check_probe_note.
2058 * function.c: Replace tail_recursion_reentry with
2059 stack_check_probe_note everywhere.
2060 (expand_function_start): Only emit a note for
2061 stack_check_probe_note with -fstack-protect.
2062 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2064 * emit-rtl.c (remove_unnecessary_notes): Remove.
2065 (pass_remove_unnecessary_notes): Remove.
2066 * rtl.h (remove_unnecessary_notes): Remove prototype.
2067 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2068 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2069 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2071 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2074 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2075 (valid_in_set): Handle ARRAY_REF.
2076 Change "if min_variant or VH" to asserts.
2077 (create_component_ref_by_pieces): Handle ARRAY_REF.
2078 (create_expression_by_pieces): Likewise.
2079 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2081 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2083 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2084 is operand of switch, not str[0].
2086 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2088 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2089 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2091 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2093 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2094 end of insn_extra_address_constraint declaration.
2096 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2098 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2099 (no-sum-in-toc): Same.
2100 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2102 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2103 NO_FP_IN_TOC for -fPIC instead of mask.
2105 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2106 (BOOT_LDFLAGS): Delete.
2108 * config/rs6000/t-aix52: Same.
2110 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2111 (stmsi[345678]_power): New.
2113 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2115 * config/ia64/ia64.opt: Add empty line to end of file.
2117 2006-03-17 Richard Guenther <rguenther@suse.de>
2120 * builtins.c (get_pointer_alignment): For component style references
2121 adjust alignment to the component type alignment. Make sure
2122 to adjust alignment for component access of constants.
2124 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2126 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2129 2006-03-17 Paul Brook <paul@codesourcery.com>
2131 * doc/install.texi: Docuemnt --with-mode.
2132 * config.gcc: Add --with-mode for arm*-*-*.
2133 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2135 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2137 * sh.c (max_labelno_before_reorg): New variable.
2138 (sh_reorg): Initialize it.
2139 (find_barrier): Check max_labelno_before_reorg before using
2140 label_to_alignment. Take length of explicit alignment insns
2141 into account. When seeing a UNSPECV_CONST_END, return it.
2143 * sh.c (fixup_mova): Set mode of affected label to QImode.
2144 (untangle_mova): New function.
2145 (find_barrier): Use it. Check mode of label before decrementing
2147 (sh_reorg): Likewise.
2148 Set mode of all insns back to VOIDmode.
2150 * sh.c (MOVA_LABELREF): New macro.
2151 (mova_p, fixup_mova, sh_reorg): Use it.
2152 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2153 ADDR_DIFF_VEC matches mova.
2155 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2157 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2158 with ATTRIBUTE_UNUSED.
2160 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2162 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2163 pointer, instead of assuming it is possible to derive the
2164 correct args size from a call insn.
2166 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2168 * rtl.h (CONST_INT_P): Define.
2169 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2170 instead of GET_CODE(x) == CONST_INT.
2171 (vax_rtx_costs): Likewise.
2172 (vax_output_int_move): Likewise.
2173 (vax_output_int_add): Likewise.
2174 (legitimate_constant_address_p): Likewise.
2175 (index_term_p): Likewise.
2176 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2177 * config/vax/vax.md (and<mode>3): Likewise.
2178 (ashrsi3): Likewise.
2180 (movstricthi): Likewise.
2181 (movstrictqi): Likewise.
2182 (rotrsi3): Likewise.
2183 (five unnamed insns): Likewise.
2185 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2187 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2188 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2189 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2190 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2191 Pass to ASM_OUTPUT_DWARF_OFFSET.
2192 * dwarf2out.c (debug_frame_section): New.
2193 (output_call_frame_info): Use debug_frame_section. Pass it to
2194 dw2_asm_output_offset.
2195 (output_die): Pass appropriate section to dw2_asm_output_offset.
2196 (output_compilation_unit_header): Likewise.
2197 (output_pubnames): Likewise.
2198 (output_aranges): Likewise.
2199 (enum dw_val_class): Break dw_val_class_lbl_offset into
2200 dw_val_class_lineptr and dw_val_class_macptr.
2201 (add_AT_lbl_offset): Delete.
2202 (add_AT_lineptr): New.
2203 (add_AT_macptr): New.
2204 (AT_lbl): Expect a lineptr or macptr.
2205 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2206 (attr_checksum): Likewise.
2207 (same_dw_val_p): Likewise.
2208 (size_of_die): Likewise.
2209 (value_format): Likewise.
2210 (output_die): Likewise.
2211 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2213 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2214 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2215 * config/darwin-protos.h (darwin_file_start): New.
2216 (darwin_asm_output_dwarf_offset): New.
2217 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2218 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2220 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2221 if not EH section; simplify.
2222 (darwin_file_start): New.
2223 (darwin_asm_output_dwarf_offset): New.
2224 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2226 (DEBUG_INFO_SECTION): Likewise.
2227 (DEBUG_ABBREV_SECTION): Likewise.
2228 (DEBUG_ARANGES_SECTION): Likewise.
2229 (DEBUG_MACINFO_SECTION): Likewise.
2230 (DEBUG_LINE_SECTION): Likewise.
2231 (DEBUG_LOC_SECTION): Likewise.
2232 (DEBUG_PUBNAMES_SECTION): Likewise.
2233 (DEBUG_STR_SECTION): Likewise.
2234 (DEBUG_RANGES_SECTION): Likewise.
2235 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2236 (ASM_OUTPUT_DWARF_OFFSET): New.
2238 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2240 * config.gcc (tm_defines): Always add to previous value rather
2243 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2245 * config/mips/predicates.md (splittable_const_int_operand): New,
2246 split from move_operand.
2247 (splittable_symbolic_operand): New.
2248 (move_operand): Add commentary. Use splittable_const_int_operand.
2249 Inline mips_atomic_symbolic_constant_p.
2250 * config/mips/mips.md: Add combine splitters for handling moves
2251 of splittable_const_int_operands and splittable_symbolic_operands.
2252 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2253 (mips_split_symbol): Declare.
2254 (mips_move_integer): Declare.
2255 * config/mips/mips.c (mips_split_p): Make global.
2256 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2257 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2258 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2259 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2260 (mips_offset_within_object_p): Handle block symbols.
2261 (mips_atomic_symbolic_constant_p): Delete.
2262 (mips_cannot_force_const_mem): Return false for constants that
2263 mips_legitimize_move can handle.
2264 (mips_use_blocks_for_constant_p): New function.
2265 (mips_split_symbol): Make global.
2266 (mips_move_integer): Likewise. Add a temporary register argument.
2267 (mips_legitimize_const_move): Use splittable_const_int_operand and
2268 splittable_symbolic_operand.
2269 (mips_use_anchors_for_symbol_p): New function.
2270 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2271 (mips_split_p): Declare.
2273 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2275 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2276 (mips*-*-linux*): Likewise.
2278 2006-03-16 Roger Sayle <roger@eyesopen.com>
2279 Daniel Speyer <dspeyer@wam.umd.edu>
2282 * tree-dump.c (dump_real): New function.
2283 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2284 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2285 (tree-dump.o): Add $(REAL_H) to the dependencies.
2287 2006-03-16 Roger Sayle <roger@eyesopen.com>
2290 * real.c (real_from_string): If the mantissa is zero, don't bother
2291 parsing the exponent as the result should always be zero.
2293 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2295 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2297 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2299 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2300 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2301 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2302 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2303 ia64_sched_finish_global): New static functions to implement
2304 hooks from gcc_target.sched.
2305 (spec_check_no, max_uid, pending_data_specs): New static variables.
2306 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2307 ia64_spec_check_src_p): New static functions.
2308 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2309 (TARGET_SCHED_ADJUST_COST): Removed.
2310 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2311 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2312 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2313 TARGET_SCHED_GEN_CHECK,
2314 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2315 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2316 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2317 Fixed to handle speculation checks.
2318 (rtx_needs_barrier): Fixed to handle speculative loads and
2320 (ia64_variable_issue): Added code to count speculative loads and their
2322 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2324 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2326 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2328 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2329 (ia64_reorg): Reset stops_p to NULL after it is freed.
2330 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2331 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2332 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2334 (data_speculative, control_speculative, check_load): New attributes.
2335 (mov<mode>_advanced, mov<mode>_speculative,
2336 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2337 zero_extend<mode>di2_speculative,
2338 zero_extend<mode>di2_speculative_advanced): New patterns for
2339 data and control speculative loads.
2340 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2342 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2343 New pattern for data and control speculation checks.
2344 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2345 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2346 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2347 Auxiliary definitions for the patterns.
2348 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2349 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2351 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2353 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2354 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2355 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2356 New resource constraints.
2357 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2359 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2360 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2361 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2362 msched-in-control-spec, msched-ldc, msched-control-ldc,
2363 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2364 msched-prefer-non-control-spec-insns,
2365 msched-count-spec-in-critical-path): New flags to tune speculative
2367 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2368 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2369 msched-in-control-spec, msched-ldc, msched-control-ldc,
2370 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2371 msched-prefer-non-control-spec-insns,
2372 msched-count-spec-in-critical-path): Document new flags.
2374 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2376 * target.h (struct spec_info_def): New opaque declaration.
2377 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2378 speculate_insn, needs_block_p, gen_check,
2379 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2380 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2381 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2382 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2383 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2384 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2386 (TARGET_SCHED): Use new macros.
2387 * rtl.h (copy_DEPS_LIST_list): New prototype.
2388 * sched-int.h (struct sched_info): Change signature of new_ready field,
2389 adjust all initializations. New fields: add_remove_insn,
2390 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2391 region_head_or_leaf_p.
2392 (struct spec_info_def): New structure declaration.
2393 (spec_info_t): New typedef.
2394 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2395 recovery_block, orig_pat.
2396 (glat_start, glat_end): New variables declaraions.
2397 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2399 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2400 DETACH_LIFE_INFO, USE_GLAT.
2401 (enum SPEC_SCHED_FLAGS): New enumeration.
2402 (NOTE_NOTE_BB_P): New macro.
2403 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2404 attach_life_info, debug_spec_status, check_reg_live): New functions.
2405 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2406 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2408 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2409 * ddg.c (get_block_head_tail): Adjust all uses.
2410 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2411 (sms_sched_info): Initialize new fields.
2412 (contributes_to_priority): Removed.
2413 * haifa-sched.c (params.h): New include.
2414 (get_block_head_tail): Adjust all uses.
2415 (ISSUE_POINTS): New macro.
2416 (glat_start, glat_end): New global variables.
2417 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2418 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2419 old_last_basic_block, before_recovery, current_sched_info_var,
2420 rgn_n_insns, luid): New static variables.
2421 (insn_cost1): New function. Move logic from insn_cost to here.
2422 (find_insn_reg_weight1): New function. Move logic from
2423 find_insn_reg_weight to here.
2424 (reemit_notes, move_insn, max_issue): Change signature.
2425 (move_insn1): Removed.
2426 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2427 extend_bb): New static functions to support extension of scheduler's
2429 (generate_recovery_code, process_insn_depend_be_in_spec,
2430 begin_speculative_block, add_to_speculative_block,
2431 init_before_recovery, create_recovery_block, create_check_block_twin,
2432 fix_recovery_deps): New static functions to support
2433 generation of recovery code.
2434 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2435 restore_bb_notes, move_block_after_check, move_succs): New static
2436 functions to support ebb scheduling.
2437 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2438 functions to support handling of register live information.
2439 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2440 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2441 add_jump_dependencies): New static functions.
2442 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2443 consistancy checking.
2444 (debug_spec_status): New function to call from debugger.
2445 (priority): Added code to handle speculation checks.
2446 (rank_for_schedule): Added code to distinguish speculative instructions.
2447 (schedule_insn): Added code to handle speculation checks.
2448 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2449 Fixed to handle ebbs.
2450 (move_insn): Added code to handle ebb scheduling.
2451 (max_issue): Added code to use ISSUE_POINTS of instructions.
2452 (choose_ready): Added code to choose between speculative and
2453 non-speculative instructions.
2454 (schedule_block): Added code to handle ebb scheduling and scheduling of
2455 speculative instructions.
2456 (sched_init): Initialize new variables.
2457 (sched_finish): Free new variables. Print statistics.
2458 (try_ready): Added code to handle speculative instructions.
2459 * lists.c (copy_DEPS_LIST_list): New function.
2460 * sched-deps.c (extend_dependency_caches): New function. Move logic
2461 from create_dependency_caches to here.
2462 (get_dep_weak, ds_merge): Make global.
2463 * genattr.c (main): Code to output prototype for
2464 dfa_clear_single_insn_cache.
2465 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2466 (output_dfa_clean_insn_cache_func): Code to output
2467 dfa_clear_single_insn_cache function.
2468 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2470 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2472 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2473 New static variables.
2474 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2475 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2477 (ebb_sched_info): Initialize new fields.
2478 (get_block_head_tail): Adjust all uses.
2479 (compute_jump_reg_dependencies): Fixed to use glat_start.
2480 (schedule_ebb): Code to remove unreachable last block.
2481 (schedule_ebbs): Added code to update register live information.
2482 * sched-rgn.c (region_sched_info): Initialize new fields.
2483 (get_block_head_tail): Adjust all uses.
2484 (last_was_jump): Removed. Adjust users.
2485 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2486 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2487 Implement new hooks.
2488 (check_dead_notes1): New static function.
2489 (struct region): New fields: dont_calc_deps, has_real_ebb.
2490 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2491 (BB_TO_BLOCK): Fixed to handle EBBs.
2492 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2493 (ebb_head): New static variable.
2494 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2495 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2497 (compute_dom_prob_ps): New assertion.
2498 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2499 global_live_at_start.
2500 (init_ready_list): New assertions.
2501 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2502 (new_ready): Add support for BEGIN_CONTROL speculation.
2503 (schedule_insns): Fixed code that updates register live information
2505 (schedule_region): Fixed to handle EBBs.
2506 (init_regions): Use extend_regions and check_dead_notes1.
2507 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2508 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2509 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2510 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2511 TARGET_SCHED_GEN_CHECK,
2512 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2513 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2514 * doc/invoke.texi (max-sched-insn-conflict-delay,
2515 sched-spec-prob-cutoff): Document.
2517 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2519 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2520 inter_tick, queue_index.
2521 (struct sched_info): Change signature of init_ready_list field.
2522 Adjust all initializations.
2523 (RESOLVED_DEPS): New access macro.
2524 (ready_add): Remove prototype.
2525 (try_ready): Add prototype.
2526 * sched-rgn.c (init_ready_list): Use try_ready.
2527 (schedule_region): Initialize
2528 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2529 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2530 (init_ready_list): Use try_ready.
2531 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2532 * lists.c (remove_list_elem): Remove `static'.
2533 (remove_free_INSN_LIST_elem): New function.
2534 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2535 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2536 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2538 (readyp): New variable.
2539 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2540 change_queue_index, resolve_dep): New static functions.
2541 (try_ready): New function. Adjust callers in sched-rgn.c and
2542 sched-ebb.c to use it instead of ready_add.
2543 (clock_var): Move at the begining of file.
2544 (rank_for_schedule): Fix typo.
2545 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2546 (ready_lastpos): Enforce assertion.
2547 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2549 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2550 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2551 (queue_to_ready): Use free_INSN_LIST_list.
2552 (early_queue_to_ready): Fix typo.
2553 (schedule_block): Init readyp. Move init_ready_list call after the
2554 initialization of clock_var. Fix error in rejecting insn by
2555 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2556 that previously corrected INSN_TICKs. Add code for handling
2558 (set_priorities): Fix typo.
2559 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2560 Clarify comment and code that keeps current_sched_info->next_tail
2563 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2565 * sched-rgn.c (extend_rgns): New static function.
2566 (find_rgns): Use it.
2567 (gather_region_statistics, print_region_statistics): New static
2569 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2570 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2572 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2573 Andrey Belevantsev <abel@ispras.ru>
2575 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2576 * lists.c (unused_deps_list): New variable.
2577 (free_list): Add assertions to verify the proper distinguishing
2578 between INSN_LISTs and DEPS_LISTs.
2579 (find_list_elem, remove_list_elem, remove_list_node): New static
2581 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2582 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2583 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2584 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2586 (free_INSN_LIST_node): Likewise.
2587 * modulo-sched.c (current_sched_info): Initialize flags field.
2588 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2589 * rtl.def (DEPS_LIST): Define.
2590 * rtl.h: Declare new functions from lists.c.
2591 * sched-deps.c (spec_dependency_cache): New static variable.
2592 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2593 (add_dependence): Change return type to void. Move the logic to ...
2594 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2595 (delete_all_dependences): Add comment about forward_dependency_cache.
2596 Handle spec_dependency_cache. Handle DEPS_LISTs.
2597 (fixup_sched_groups): Clarify the change of priority of output
2598 and anti dependencies.
2599 (sched_analyze_2): Adjust add_dependence calls to create data
2600 speculative dependence.
2601 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2602 Adjust all callers. Handle DEPS_LISTS.
2603 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2604 presence of speculation.
2605 (init_dependency_caches, free_dependency_caches):
2606 Handle spec_dependency_cache.
2607 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2608 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2609 New static functions.
2610 (add_or_update_back_dep, add_or_update_back_forw_dep,
2611 add_back_forw_dep, delete_back_forw_dep): New functions.
2612 * sched-int.h (ds_t, dw_t): New typedefs.
2613 (struct sched_info): Add new field flags.
2614 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2615 Prototype new sched-deps.c functions.
2616 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2617 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2618 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2619 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2620 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2621 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2623 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2625 * sched-rgn.c (current_sched_info): Initialize flags field.
2626 (schedule_insns): Initialize current_sched_info before the sched_init
2628 * sched-ebb.c (current_sched_info): Initialize flags field.
2629 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2630 Call add_or_update_back_dep instead of add_dependence.
2631 Create control speculative dependencies.
2632 (schedule_insns): Initialize current_sched_info before the sched_init
2635 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2637 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2639 (sh_fallback_frame_state): Likewise.
2641 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2643 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2644 Do switch on default_use_cxa_atexit.
2645 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2646 * config/darwin-crt3.o: New.
2647 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2648 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2649 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2651 * config/rs6000/t-darwin: Move crt2.o building to here.
2652 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2653 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2656 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2658 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2659 from '! xxx' to '!xxx' for coding-style conformance.
2660 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2661 (EXTRA_CONSTRAINT): Likewise.
2662 * config/vax/vax.md (four unnamed insns): Likewise.
2664 2006-03-15 Paul Brook <paul@codesourcery.com>
2666 * config/arm/arm.c (minipool_pad): New.
2667 (add_minipool_forward_ref): Include pool alignment padding in address
2669 (push_minipool_fix): Set minipool_pad.
2670 (minipool_pad): Ditto.
2672 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2674 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2675 instead of GET_CODE() == MEM and REG_P() instead of
2677 (print_operand_address): Likewise.
2678 (vax_address_cost): Likewise.
2679 (vax_rtx_costs): Likewise.
2680 (vax_notice_update_cc): Likewise.
2681 (vax_output_int_add): Likewise.
2682 (INDEX_REGISTER_P): Likewise.
2683 (BASE_REGISTER_P): Likewise.
2684 (nonindexed_address_p): Likewise.
2685 (vax_mode_dependent_address_p): Likewise.
2686 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2687 (PRINT_OPERAND): Likewise.
2688 * config/vax/vax.md (ashlsi3): Likewise.
2689 (ashlsi3): Likewise.
2690 (some more unnamed insns): Likewise.
2692 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2694 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2695 iterator-style macro.
2696 (mark_control_dependent_edges_necessary): Update the use of
2697 EXECUTE_IF_CONTROL_DEPENDENT.
2699 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2701 * config/sh/predicates.md (cache_address_operand): Special.
2702 (ua_address_operand): Likewise.
2704 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2706 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2708 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2710 2006-03-15 Andreas Schwab <schwab@suse.de>
2712 * gensupport.c (identify_predicable_attribute): Don't free p_false
2713 when it is still in use.
2715 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2717 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2718 the default setting here.
2720 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2722 * tree-pass.h (pass_cfg): Remove.
2723 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2724 * passes.c (pass_cfg): Don't run it.
2726 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2728 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2729 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2731 (stack_regs_mentioned): Update the uses of
2732 stack_regs_mentioned_data. Don't access the array beyond its
2734 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2735 Don't include gt-reg-stack.h.
2737 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2738 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2740 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2743 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2746 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2748 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2750 2006-03-14 Richard Guenther <rguenther@suse.de>
2752 PR tree-optimization/26672
2753 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2756 2006-03-14 Richard Guenther <rguenther@suse.de>
2758 PR tree-optimization/26667
2759 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2760 node for the callees. Always allow inlining if it will shrink
2763 2006-03-14 Richard Guenther <rguenther@suse.de>
2766 * builtins.c (get_pointer_alignment): Prefer alignment
2767 information from decls over that from types.
2769 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2772 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2774 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2776 * config/rs6000/rs6000.opt (mdlmzb): New option.
2777 (msched-prolog, msched-epilog): Use Var not Mask.
2778 * doc/invoke.texi (-mdlmzb): Document.
2779 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2781 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2782 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2784 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2786 PR rtl-optimization/25739
2787 * bt-load.c (augment_live_range): Free tos pointer.
2789 * gensupport.c (identify_predicable_attribute): Free
2791 * gcov.c (create_file_names): Free name pointer.
2793 2006-03-13 Roger Sayle <roger@eyesopen.com>
2796 * stmt.c (emit_case_nodes): Handle the case where the index is a
2797 CONST_INT, where the comparison mode is specified by the index type.
2799 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2801 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2804 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2806 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2807 (*branch_fp_inverted): Likewise.
2809 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2812 * omp-low.c (expand_omp_for_generic): Mark istart0
2813 and iend0 as addressable.
2815 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2817 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2819 2006-03-13 Jeff Law <law@redhat.com>
2821 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2822 virtual operands are interesting.
2823 (vrp_visit_stmt): Corresponding changes.
2825 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2827 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2829 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2830 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2831 * config/bfin/crti.S: Use it instead of __PIC__.
2832 * config/bfin/crtn.S: Likewise.
2834 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2835 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2837 Lose 'G' modifier for call operand.
2838 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2839 recognize 'G' modifier.
2841 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2844 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2845 * stmt.c (expand_case): Likewise.
2847 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2849 PR rtl-optimization/26254
2850 * loop-invariant.c (seq_insns_valid_p): New function.
2851 (move_invariant_reg): Only emit new code if it is valid.
2853 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2855 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2857 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2858 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2859 (commit_one_edge_insertion): Do not look for loop notes.
2861 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2863 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2864 flag_test_coverage out of loop.
2866 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2868 * final.c (shorten_branches): Remove outdated comment, and turn
2869 the if branch that guards it to continue.
2871 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2873 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2874 * cfgloop.h (struct loop): Remove unused fields.
2876 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2878 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2879 (-dL, -fdump-rtl-loop2): Update the dump file names
2881 * doc/invoke.texi: Update dump file names.
2883 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2885 * predict.c (estimate_probability): Remove.
2886 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2887 * basic-block.h (estimate_probability): Remove prototype.
2888 * passes.c (finish_optimization_passes): Dump branch prediction or
2889 profiling heuristics to the .profile tree dump.
2890 (init_optimization_passes): Unqueue pass_branch_prob.
2892 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2894 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2896 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2897 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2899 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2901 * function.h (frame_offset_overflow): Declare.
2902 * function.c (frame_offset_overflow): New function.
2903 (assign_stack_local_1): Call it to detect that the offset overflows.
2904 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2906 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2908 * config/sh/sh.c: Include alloc-pool.h.
2909 (label_ref_list_pool): New alloc pool.
2910 (label_ref_list_t): New type for lists of labels.
2911 (struct pool_node): Make wend a label_ref_list_t.
2912 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2914 (dump_table): Likewise.
2915 (sh_reorg): Set up the alloc pool before using add_constant and
2916 dump_table, and destroy it when finishing.
2918 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2920 * config/mips/mips.c: Remove redundant comment.
2922 2006-03-10 Jason Merrill <jason@redhat.com>
2925 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2926 the target was declared 'register'.
2928 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2930 * genpreds.c (write_insn_constraint_len): Change definition of
2931 insn_constraint_len to return size_t to match the declaration.
2933 2006-03-10 DJ Delorie <dj@redhat.com>
2935 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2937 (m32c_expand_insv): Fix test for an AND mask.
2939 2006-03-10 Richard Guenther <rguenther@suse.de>
2942 * builtins.c (get_pointer_alignment): Handle component
2943 references for field alignment.
2945 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2947 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2948 when building with libgloss.
2949 (sh*elf): Implement --without-fp option.
2950 (sh64-superh-linux*): Don't multilib.
2952 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2954 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2956 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2958 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2959 Set it when one of the replacement functions returned true.
2960 Return TODO_cleanup_cfg if cfgchanged is true.
2961 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2963 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2965 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2966 instead of gen_lowpart.
2968 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2970 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2972 (mips_output_order_conditional_branch): Declare.
2973 * config/mips/mips.h (MIPS_BRANCH): New macro.
2974 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2975 for the comparison. Use gen_condjump.
2976 (mips_output_conditional_branch): Rework interface to take the
2977 asm templates for a direct branch and the inverse of a direct branch.
2978 (mips_output_order_conditional_branch): New function.
2979 (mips_builtin_branch_and_move): New function.
2980 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2981 branch condition. Use gen_single_cc as the condition for
2982 __builtin_mips_upper_* or __builtin_mips_lower_*.
2983 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2984 Use VOIDmode for the branch condition.
2985 * config/mips/predicates.md (order_operator): New predicate.
2986 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2987 (branch_fp): Rename to...
2988 (*branch_fp): ...this. Remove mode from comparison operator.
2989 Use new mips_output_conditional_branch interface.
2990 (branch_fp_inverted): Rename to...
2991 (*branch_fp_inverted): ...this and update as for *branch_fp.
2992 (*branch_zero<mode>): Rename to...
2993 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2994 Use mips_output_order_conditional_branch. Only accept ordered
2996 (*branch_zero<mode>_inverted): Rename to...
2997 (*branch_order<mode>_inverted): ...this and update as for
2998 *branch_order<mode>.
2999 (*branch_equality<mode>): Accept zero as the second operand to
3000 the equality operator. Use the new mips_output_conditional_branch
3002 (*branch_equality<mode>_inverted): Likewise.
3003 (condjump): New expander.
3004 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3006 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3007 (bc1any2t, bc1any2f): Likewise.
3008 (single_cc): New expander.
3009 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3011 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3013 * doc/md.texi: Update documentation of MIPS constraints.
3014 * config/mips/constraints.md: New file.
3015 * config/mips/mips.md: Include it.
3016 * config/mips/mips.c (mips_char_to_class): Delete.
3017 (override_options): Don't initialize mips_char_to_class.
3018 * config/mips/mips.h (mips_char_to_class): Delete.
3019 (REG_CLASS_FROM_LETTER): Delete.
3020 (CONST_OK_FOR_LETTER_P): Delete.
3021 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3022 (EXTRA_CONSTRAINT_Y): Delete.
3023 (EXTRA_CONSTRAINT_STR): Delete.
3024 (CONSTRAINT_LEN): Delete.
3025 (EXTRA_MEMORY_CONSTRAINT): Delete.
3027 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3029 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3030 original fn's eh regions.
3032 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3034 * fold-const.c (build_range_check): Make sure to use a valid type to
3035 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3038 (range_predecessor): New static function.
3039 (range_successor): Likewise.
3040 (merge_ranges): Use them to compute predecessors and successors of
3043 2006-03-09 Roger Sayle <roger@eyesopen.com>
3046 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3047 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3049 2006-03-08 DJ Delorie <dj@redhat.com>
3051 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3052 (addpsi3): Expand to include memory operands. Remove
3053 reload-specific splits.
3054 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3055 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3056 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3057 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3058 (shift1_qi, shift1_hi, insv): New.
3059 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3060 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3061 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3063 * config/m32c/m32c-protos.h: Update as needed.
3064 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3065 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3066 Fail for unrecognized R* constraints.
3067 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3068 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3069 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3071 (m32c_init_libfuncs): New.
3072 (m32c_legitimate_address_p): Add debug wrapper.
3073 (m32c_rtx_costs): New.
3074 (m32c_address_cost): New.
3075 (conversions): Add 'B' prefix.
3076 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3077 operands, or word regnames for QI operands. 'B' prints bit
3079 (m32c_expand_setmemhi): New.
3080 (m32c_expand_movmemhi): New.
3081 (m32c_expand_movstr): New.
3082 (m32c_expand_cmpstr): New.
3083 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3084 (m32c_expand_neg_mulpsi3): Handle non-ints.
3085 (m32c_cmp_flg_0): New.
3086 (m32c_expand_movcc): New.
3087 (m32c_expand_insv): New.
3088 (m32c_scc_pattern): New.
3089 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3090 a0/a1 out of SIregs.
3091 (STORE_FLAG_VALUE): New.
3092 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3095 * config/m32c/mov.md: Make constraints more liberal.
3096 (zero_extendqihi2): Optimize r0/r1 case.
3097 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3098 * config/m32c/predicates.md (m32c_any_operand): New.
3099 (m32c_nonimmediate_operand): New.
3100 (m32c_hl_operand): New.
3101 (m32c_r3_operand): New.
3104 (memsym_operand): New.
3105 (memimmed_operand): New.
3106 (a_qi_operand): New.
3107 (m32c_eqne_operator): New.
3108 (m32c_1bit8_operand): New.
3109 (m32c_1bit16_operand): New.
3110 (m32c_1mask8_operand): New.
3111 (m32c_1mask16_operand): New.
3112 * config/m32c/blkmov.md: New file.
3113 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3115 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3117 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3118 unsigned to fix signed/unsigned comparison issue in
3119 DWARF2_FRAME_REG_OUT.
3120 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3121 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3123 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3124 of ptr into the ENABLE_CHECKING section.
3126 2006-03-08 Jeff Law <law@redhat.com>
3128 * tree-vrp.c (infer_value_range): Only count pointer uses
3129 and dereferences if -fdelete-null-pointer-checks is enabled.
3131 * tree-vrp.c (find_assert_locations): Infer value ranges for
3132 single use pointers, but do not create ASSERT_EXPRs for them.
3133 When a non-null range is inferred for a pointer, backwards
3134 propagate that range to other equivalent pointers through the
3137 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3140 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3141 language hook targets.
3142 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3143 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3144 if language hook targets were missing.
3146 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3148 * tree-ssa-opfinalize.h: Removed.
3149 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3151 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3152 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3153 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3154 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3155 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3156 finalize_ssa_v_must_def_ops): New.
3158 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3160 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3163 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3165 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3167 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3168 addresses with offsets; reorganize.
3170 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3171 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3172 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3174 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3177 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3179 2006-03-08 Ben Elliston <bje@au.ibm.com>
3181 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3183 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3186 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3189 2006-03-07 Richard Guenther <rguenther@suse.de>
3191 PR tree-optimization/26587
3192 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3194 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3196 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3198 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3200 * hooks.c (hook_bool_mode_rtx_true): New function.
3201 * hooks.h (hook_bool_mode_rtx_true): Declare.
3202 * toplev.c (compile_file): Call output_shared_constant_pool.
3203 * varasm.c (shared_constant_pool): New variable.
3204 (assemble_start_function, assemble_end_function): Remove arguments
3205 from call to output_constant_pool.
3206 (create_constant_pool): New function, split out from...
3207 (init_varasm_status): ...here.
3208 (force_const_mem): Choose between the shared and per-function constant
3209 pools. Set current_function_uses_const_pool when reusing old entries
3210 as well as when creating new ones.
3211 (mark_constant): Ignore data argument.
3212 (mark_constants): Remove pool argument.
3213 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3214 to decide whether the function uses a constant pool.
3215 (output_constant_pool_contents): New function, split out from...
3216 (output_constant_pool): ...here.
3217 (output_shared_constant_pool): New function.
3218 (init_varasm_once): Initialize shared_constant_pool.
3219 * output.h (output_constant_pool): Delete.
3220 (output_shared_constant_pool): Declare.
3221 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3222 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3224 2006-03-06 Nick Clifton <nickc@redhat.com>
3226 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3227 flag_strength_reduce.
3229 2006-03-06 Ben Elliston <bje@au.ibm.com>
3231 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3232 x86_64-*-linux* configurations.
3234 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3235 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3237 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3239 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3241 * basic-block.h: Remove the extern for
3242 rediscover_loops_after_threading.
3244 * cfgloop.c (cancel_loop): Make it static.
3245 * cfgloop.h: Remove the prototype for cancel_loop.
3247 * flow.c (recompute_reg_usage): Make it static.
3248 * rtl.h: Remove the prototype for recompute_reg_usage.
3250 * function.c (use_return_register): Make it static.
3251 * function.h: Remove the prototype.
3253 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3255 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3257 * recog.h: Remove the prototype for
3258 validate_change_maybe_volatile.
3260 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3262 * rtlanal.c (replace_reg): Remove.
3263 * rtl.h: Remove the prototype for replace_reg.
3265 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3267 * regclass.c (reg_scan_update): Remove.
3268 (reg_scan_mark_refs): Remove the last argument.
3269 * rtl.h: Remove the prototype for reg_scan_update.
3271 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3273 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3274 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3275 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3276 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3277 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3278 loop-invariant.c, omp-low.c, opts.c, passes.c,
3279 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3280 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3281 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3282 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3283 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3284 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3286 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3288 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3289 * dwarf2out.h: Remove the prototype for
3290 dwarf2out_add_library_unit_info.
3292 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3294 * tree.c (add_var_to_bind_expr): Remove.
3295 * tree.h: Remove the prototype for add_var_to_bind_expr.
3297 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3299 * regclass.c (n_non_fixed_regs): Remove.
3300 (init_reg_sets_1, globalize_reg): Remove all uses of
3302 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3304 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3306 * rtlanal.c (insns_safe_to_move_p): Remove.
3307 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3309 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3311 * expmed.c (expand_mult_add): Remove.
3312 * expr.h: Remove the prototype for expand_mult_add.
3314 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3316 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3317 and REG_SAVED_VAL_EXP constants.
3318 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3319 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3320 Handle regs stored by value.
3321 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3322 (execute_cfa_program): Handle DW_CFA_val_offset,
3323 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3324 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3325 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3326 (uw_install_context_1): Handle target regs stored by value.
3328 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3330 * tree-sra.c (tree_sra): Return todoflags;
3331 (generate_one_element): Set TODO_update_smt_usage if needed.
3332 (pass_sra): Remove TODO_update_smt_usage.
3333 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3335 (tree_ssa_forward_propagate_single_use_vars): Return
3336 TODO_update_smt_usage if we need to update SMT usage.
3337 (pass_forwprop): Remove TODO_update_smt_usage.
3339 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3341 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3342 (correct_use_link): Remove reference to get_stmt_operands.
3343 (update_stmt_operands): Likewise.
3344 (get_modify_expr_operands): New function factored out of
3345 parse_ssa_operands and get_expr_operands.
3346 Try to create V_MUST_DEFs for LHS by default.
3347 (get_expr_operands) <case MODIFY_EXPR>: Call
3348 get_modify_expr_operands.
3349 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3350 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3351 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3352 get_modify_expr_operands.
3354 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3356 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3357 * tree-flow.h: Remove the prototype for
3358 referenced_var_lookup_if_exists.
3360 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3362 PR rtl-optimization/26345
3364 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3366 2006-03-03 Roger Sayle <roger@eyesopen.com>
3368 PR tree-optimization/26524
3369 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3370 fold_convert to create a constant of the appropriate type.
3372 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3374 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3375 SYMBOL_REF_IN_BLOCK_P.
3376 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3377 of SYMBOL_FLAG_IN_BLOCK.
3378 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3379 instead of SYMBOL_REF_IN_BLOCK_P.
3380 * explow.c (use_anchored_address): Likewise.
3381 * rtl.c (rtx_size): Likewise.
3382 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3383 instead of SYMBOL_FLAG_IN_BLOCK.
3384 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3385 SYMBOL_REF_IN_BLOCK_P.
3386 (assemble_variable): Likewise.
3387 (output_constant_def_contents): Likewise.
3388 (output_constant_pool): Likewise.
3389 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3390 instead of SYMBOL_FLAG_IN_BLOCK.
3391 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3392 SYMBOL_REF_IN_BLOCK_P.
3393 (SYMBOL_REF_BLOCK): Likewise.
3394 (SYMBOL_REF_OFFSET): Likewise.
3395 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3396 SYMBOL_REF_IN_BLOCK_P.
3397 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3398 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3399 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3400 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3402 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3404 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3406 2006-03-02 Roger Sayle <roger@eyesopen.com>
3408 * simplify-rtx.c (simplify_unary_operation): When simplifying
3409 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3410 that we perform the right shift in the appropriate mode, and
3411 then extend or truncate the result to requested mode.
3413 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3415 * gengtype.c (main): Handle double_int type.
3416 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3417 * double-int.c: New file.
3418 * double-int.h: New file.
3419 * system.h: Include doubleint.h.
3420 * Makefile.in (SYSTEM_H): Include double-int.h.
3421 (double-int.o): Add.
3423 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3426 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3429 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3431 * tree-vrp.c (remove_range_assertions): Do not update statements
3434 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3436 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3438 * gcse.c (rest_of_handle_gcse): Ditto.
3439 * except.c (gate_handle_eh): Ditto.
3440 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3441 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3443 2006-03-02 Eric Christopher <echristo@apple.com>
3445 * config/i386/i386.c (machopic_output_stub): Add indirection to
3448 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3452 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3454 Sun Niagara specific optimizations.
3455 * config.gcc: Recognize niagara as target.
3456 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3457 (TARGET_CPU_niagara): Define.
3458 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3459 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3460 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3461 (ASM_CPU_SPEC): Likewise.
3462 (PROCESSOR_NIAGARA): New enum entry.
3463 (REGISTER_MOVE_COST): Handle Niagara.
3464 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3465 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3466 (sparc_override_options): Recognize "niagara", set appropriate
3467 default MASK_* values for it, and align functions to 32-bytes
3468 by default just like ULTRASPARC/ULTRASPARC3.
3469 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3470 (sparc64_initialize_trampoline): Likewise.
3471 (sparc_use_sched_lookahead): Use zero for niagara.
3472 (sparc_issue_rate): Use one for niagara.
3473 * config/sparc/niagara.md: New file.
3474 * config/sparc/sparc.md: Include it.
3475 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3476 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3477 when default cpu is niagara.
3478 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3479 (ASM_CPU_SPEC): Likewise.
3480 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3481 when default cpu is niagara.
3482 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3483 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3484 just like v9/ultrasparc/ultrasparc3.
3485 * doc/invoke.texi: Add documentation for "niagara" and improve
3486 existing documentation for ultrasparc variants.
3488 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3490 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3492 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3494 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3495 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3496 and say that only one is needed.
3497 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3498 * target.h (have_switchable_bss_sections): New hook.
3499 * explow.c (use_anchored_address): Check that the symbol is in a block.
3500 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3501 (bss_noswitch_section): New variables.
3502 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3503 (get_noswitch_section): New function.
3504 (get_block_for_section): Allow SECT to be null.
3505 (unlikely_text_section_p): Use SECTION_STYLE.
3506 (bss_initializer_p): New function.
3507 (get_variable_section): Move earlier in file. Take a new argument,
3508 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3509 Return one of the new *_sections in such cases.
3510 (get_block_for_decl): New function, extracting some logic from
3511 use_blocks_for_decl_p.
3512 (change_symbol_section): Remove in favor of...
3513 (change_symbol_block): ...this new function.
3514 (use_blocks_for_decl_p): Remove checks now performed by
3516 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3517 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3518 (emit_local, emit_bss, emit_common): ...these new functions.
3519 Return true if the alignment was honored.
3520 (emit_tls_common): New function.
3521 (asm_emit_uninitialised): Delete.
3522 (assemble_variable_noswitch): New function, split out from...
3523 (assemble_variable): ...here. Don't make decisions about common
3524 variables here. Globalize all public decls that go into non-common
3525 sections. Check whether SYMBOL_REF_BLOCK is null.
3526 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3527 (output_constant_pool): Likewise.
3528 (init_varasm_once): Initialize the new section variables.
3529 (have_global_bss_p): New function.
3530 (categorize_decl_for_section): Use bss_initializer_p.
3531 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3532 (place_block_symbol): Assert that the symbol must be in a block.
3533 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3534 (TARGET_INITIALIZER): Include it.
3535 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3536 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3537 (SECTION_MACH_DEP): Bump by two.
3538 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3539 (unnamed_section): Mention SECTION_UNNAMED in comment.
3540 (named_section): Likewise SECTION_NAMED.
3541 (noswitch_section_callback): New type.
3542 (noswitch_section): New structure.
3543 (section): Add a noswitch_section alternative.
3544 (SECTION_STYLE): New macro.
3545 (tls_comm_section, comm_section, lcomm_section): Declare.
3546 (bss_noswitch_section, have_global_bss_p): Declare.
3547 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3548 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3550 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3551 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3554 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3556 * gcc/tree-vrp.c (execute_vrp): Return value.
3557 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3558 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3559 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3560 (tree_lower_complex_O0): Ditto.
3561 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3562 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3563 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3564 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3565 (execute_tail_calls): Ditto.
3566 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3567 * gcc/tree.h (init_function_for_compilation): Ditto.
3568 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3569 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3570 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3571 * gcc/final.c (compute_alignments): Ditto.
3572 (rest_of_handle_final): Ditto.
3573 (rest_of_handle_shorten_branches): Ditto.
3574 (rest_of_clean_state): Ditto.
3575 * gcc/omp-low.c (execute_expand_omp): Ditto.
3576 (execute_lower_omp): Ditto.
3577 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3578 * gcc/ipa-reference.c (static_execute): Ditto.
3579 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3580 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3581 (rest_of_handle_machine_reorg): Ditto.
3582 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3583 * gcc/flow.c (recompute_reg_usage): Ditto.
3584 (rest_of_handle_remove_death_notes): Ditto.
3585 (rest_of_handle_life): Ditto.
3586 (rest_of_handle_flow2): Ditto.
3587 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3588 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3589 (do_ssa_store_ccp): Ditto.
3590 (execute_fold_all_builtins): Ditto.
3591 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3592 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3593 * gcc/ipa-pure-const.c (static_execute): Ditto.
3594 * gcc/cse.c (rest_of_handle_cse): Ditto.
3595 (rest_of_handle_cse2): Ditto.
3596 * gcc/web.c (rest_of_handle_web): Ditto.
3597 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3598 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3599 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3600 * gcc/tree-nrv.c (tree_nrv): Ditto.
3601 (execute_return_slot_opt): Ditto.
3602 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3603 (create_structure_vars): Ditto.
3604 * gcc/loop-init.c (rtl_loop_init): Ditto.
3605 (rtl_loop_done): Ditto.
3606 (rtl_move_loop_invariants): Ditto.
3607 (rtl_unswitch): Ditto.
3608 (rtl_unroll_and_peel_loops): Ditto.
3609 (rtl_doloop): Ditto.
3610 * gcc/gimple-low.c (lower_function_body): Ditto.
3611 (mark_used_blocks): Ditto.
3612 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3613 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3614 (cgraph_early_inlining): Ditto.
3615 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3616 * gcc/jump.c (cleanup_barriers): Ditto.
3617 (purge_line_number_notes): Ditto.
3618 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3619 (rest_of_handle_if_after_reload): Ditto.
3620 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3621 (tree_ssa_loop_im): Ditto.
3622 (tree_ssa_loop_unswitch): Ditto.
3623 (tree_vectorize): Ditto.
3624 (tree_linear_transform): Ditto.
3625 (tree_ssa_loop_ivcanon): Ditto.
3626 (tree_ssa_empty_loop): Ditto.
3627 (tree_ssa_loop_bounds): Ditto.
3628 (tree_complete_unroll): Ditto.
3629 (tree_ssa_loop_prefetch): Ditto.
3630 (tree_ssa_loop_ivopts): Ditto.
3631 (tree_ssa_loop_done): Ditto.
3632 * gcc/predict.c (tree_estimate_probability): Ditto.
3633 * gcc/recog.c (split_all_insns_noflow): Ditto.
3634 (rest_of_handle_peephole2): Ditto.
3635 (rest_of_handle_split_all_insns): Ditto.
3636 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3637 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3638 (rest_of_handle_stack_adjustments): Ditto.
3639 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3640 * gcc/function.c (instantiate_virtual_regs): Ditto.
3641 (init_function_for_compilation): Ditto.
3642 (rest_of_handle_check_leaf_regs): Ditto.
3643 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3644 (rest_of_handle_gcse): Ditto.
3645 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3646 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3647 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3648 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3649 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3650 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3651 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3652 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3653 * gcc/except.c (set_nothrow_function_flags): Ditto.
3654 (convert_to_eh_region_ranges): Ditto.
3655 (rest_of_handle_eh): Ditto.
3656 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3657 (remove_unnecessary_notes): Ditto.
3658 * gcc/except.h (set_nothrow_function_flags): Ditto.
3659 (convert_to_eh_region_ranges): Ditto.
3660 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3661 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3662 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3663 (execute_fre): Ditto.
3664 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3665 (rest_of_handle_jump2): Ditto.
3666 * gcc/tree-sra.c (tree_sra): Ditto.
3667 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3668 (execute_mudflap_function_decls): Ditto.
3669 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3670 (do_store_copy_prop): Ditto.
3671 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3672 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3673 * gcc/tree-ssa-forwprop.c
3674 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3675 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3676 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3677 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3678 (execute_late_warn_uninitialized): Ditto.
3679 * gcc/rtl.h (cleanup_barriers): Ditto.
3680 (split_all_insns_noflow): Ditto.
3681 (purge_line_number_notes): Ditto.
3682 (unshare_all_rtl): Ditto.
3683 (remove_unnecessary_notes): Ditto.
3684 (recompute_reg_usage): Ditto.
3685 (variable_tracking_main): Ditto.
3686 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3687 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3688 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3689 (execute_free_cfg_annotations): Ditto.
3690 (execute_fixup_cfg): Ditto.
3691 (execute_cleanup_cfg_pre_ipa): Ditto.
3692 (execute_cleanup_cfg_post_optimizing): Ditto.
3693 (execute_init_datastructures): Ditto.
3694 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3695 * gcc/combine.c (rest_of_handle_combine): Ditto.
3696 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3697 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3698 (rest_of_handle_reorder_blocks): Ditto.
3699 (rest_of_handle_partition_blocks): Ditto.
3700 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3701 * gcc/tree-profile.c (tree_profiling): Ditto.
3702 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3703 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3704 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3705 (rest_of_handle_sched2): Ditto.
3706 * gcc/basic-block.h (free_bb_insn): Ditto.
3707 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3708 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3709 (remove_useless_stmts): Ditto.
3710 (split_critical_edges): Ditto.
3711 (execute_warn_function_return): Ditto.
3712 (execute_warn_function_noreturn): Ditto.
3713 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3714 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3715 * gcc/passes.c (execute_one_pass): Run additional
3716 todos returned by execute function.
3717 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3720 2006-03-02 Richard Guenther <rguenther@suse.de>
3722 * tree-ssa-alias.c (find_used_portions): Consider taking
3723 the address as making the variable not write-only.
3725 2006-03-02 Nick Clifton <nickc@redhat.com>
3727 * config.gcc (default_use_cxa_atexit): Extend the description of
3728 this configure variable. Set its default value to "yes" for
3729 Linux, NetBSD and ELF targets on the assumption that they will
3730 use C libraries with the __cxa_atexit function.
3732 2006-03-02 Ben Elliston <bje@au.ibm.com>
3734 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3735 parameter as unused to suppress a build warning.
3737 2006-03-02 Ben Elliston <bje@au.ibm.com>
3739 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3742 2006-03-01 Roger Sayle <roger@eyesopen.com>
3745 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3746 declared name, the weak reference name, and the typeof name.
3747 (__gthrw): Avoid expanding the declared name suffix.
3748 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3750 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3752 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3754 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3755 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3756 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3757 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3758 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3759 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3760 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3761 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3762 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3763 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3764 (DW_END_default, DW_END_big, DW_END_little): New.
3765 (DW_END_lo_user, DW_END_hi_user): Define.
3766 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3767 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3768 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3771 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3773 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3775 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3777 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3779 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3781 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3782 to 'symbol_mem_tag'.
3784 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3787 2006-03-01 Roger Sayle <roger@eyesopen.com>
3789 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3791 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3794 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3795 MACHO_DYNAMIC_NO_PIC_P.
3796 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3798 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3801 * config/darwin-protos.h (darwin_asm_output_anchor):
3803 * config/darwin-sections.def (cstring_section):
3804 Add SECTION_MERGE to the flags.
3805 (literal4_section): Likewise.
3806 (literal8_section): Likewise.
3807 (objc_selector_refs_section): Likewise.
3808 (objc_cls_refs_section): Likewise.
3809 * config/darwin.c (darwin_asm_output_anchor): New
3811 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3813 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3815 Fix PR tree-optimization/26443
3816 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3817 to todo and PROP_tmt_usage to properties_destroyed.
3818 * tree-ssa-ccp.c (pass_ccp): Ditto.
3819 (pass_store_ccp): Ditto.
3820 * tree-ssa-dom.c (pass_dominator): Ditto.
3822 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3824 * tree-ssa-operands.c: Cleanup whitespace.
3825 (get_asm_expr_operands): Move before first invocation.
3826 (get_indirect_ref_operands): Likewise.
3827 (get_tmr_operands): Likewise.
3828 (get_call_expr_operands): Likewise.
3829 (append_def): Likewise.
3830 (append_use): Likewise.
3831 (append_v_may_def): Likewise.
3832 (append_v_must_def): Likewise.
3833 (add_call_clobber_ops): Likewise.
3834 (add_call_read_ops): Likewise.
3835 (add_stmt_operand): Likewise.
3836 (add_virtual_operand): Likewise.
3837 (build_ssa_operands): Likewise.
3839 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3844 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3845 with a call expr to ...
3846 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3848 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3850 * tree-vrp.c (extract_range_from_assert): Remove special
3851 handling for types with super-types.
3853 2006-03-01 Ben Elliston <bje@au.ibm.com>
3855 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3856 and powerpc64-*-linux* configurations.
3857 * config/t-dfprules: New file.
3859 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3860 Compile dfp-bit.c from the source directory using -DWIDTH and
3861 $DFP_CFLAGS to control the compilation of that file, rather than
3862 generating width-specific versions in the build directory.
3863 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3864 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3866 2006-02-28 Zack Weinberg <zackw@panix.com>
3868 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3871 2006-02-28 Eric Christopher <echristo@apple.com>
3873 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3874 Set up IN_LIBGCC definition of TARGET_64BIT.
3875 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3877 2006-02-28 Roger Sayle <roger@eyesopen.com>
3880 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3881 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3882 cases via the construction of "expr != 0".
3884 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3886 * alias.c (alias_invariant, alias_invariant_size): Remove.
3887 (record_base_value): Remove.
3888 (memrefs_conflict_p): Don't look at alias_invariant.
3889 (end_alias_analysis): Don't free it.
3890 * alias.h (record_base_value): Remove prototype.
3892 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3893 Adam Nemet <anemet@caviumnetworks.com>
3895 * rtl.h (truncated_to_mode): Declare it.
3896 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3897 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3898 (RTL_HOOKS_INITIALIZER): Include it.
3899 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3900 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3901 reg_truncated_to_mode.
3902 * rtlanal.c (truncated_to_mode): Define it.
3903 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3905 2006-02-28 Jeff Law <law@redhat.com>
3907 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3908 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3909 the range allowed by TYPE_PRECISION.
3911 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3913 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3915 PR tree-optimization/26419
3916 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3919 2006-02-27 Zack Weinberg <zackw@panix.com>
3921 * doc/md.texi: Fix typo in previous change.
3923 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3927 2006-02-27 Zack Weinberg <zackw@panix.com>
3929 * rtl.def (define_constraint, define_register_constraint)
3930 (define_memory_constraint, define_address_constraint): New MD forms.
3931 * gensupport.c (process_rtx): Put define_constraint etc on the
3933 * genpreds.c (process_define_predicate): Adjust comment. Validate
3934 the name, and call validate_exp to validate the expression.
3935 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3936 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3937 all callers changed.
3938 (validate_exp, needs_variable, struct constraint_data)
3939 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3940 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3941 (const_dbl_constraints, constraint_max_namelen)
3942 (have_register_constraints, have_memory_constraints)
3943 (have_address_constraints, have_address_constraints)
3944 (have_extra_constraints, have_const_int_constraints)
3945 (have_const_dbl_constraints, mangle, add_constraint)
3946 (process_define_constraint, process_define_register_constraint)
3947 (write_enum_constraint_num, write_lookup_constraint)
3948 (write_insn_constraint_len, write_regclass_for_constraint)
3949 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3950 (write_insn_extra_memory_constraint)
3951 (write_insn_extra_address_constraint)
3952 (write_satisfies_constraint_fns): New.
3953 (write_tm_preds_h): If we have new-style constraint definitions,
3954 prototype the functions generated from them, and define the
3955 old constraint interface (still used by generic code) in terms of
3957 (write_insn_preds_c): If we have new-style constraint definitions,
3958 generate all relevant functions from those definitions.
3959 (main): Handle define_constraint etc.
3960 * genoutput.c (struct constraint_data, indep_constraints)
3961 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3962 (mdep_constraint_len): New data structures and functions, defined
3963 #ifdef USE_MD_CONSTRAINTS.
3964 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3965 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3966 use new logic to validate operand constraints against constraint
3968 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3970 * defaults.h: If none of the old-style constraint macros are
3971 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3972 old-style macros; and poison REG_CLASS_FROM_LETTER,
3973 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3975 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3976 * doc/md.texi: Document new constraint-definition mechanism and the
3977 C interface it provides. Remove references to old mechanism
3978 elsewhere in the document.
3979 (Machine Constraints): Use pathnames relative to gcc directory,
3980 i.e. config/ARCH/FILE. Change i386 section to refer to
3981 config/i386/predicates.md; update that section to match docstrings.
3982 * doc/tm.texi: Move all documentation of the old constraint-
3983 definition macros to their own section, clearly mark as obsolete.
3985 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3986 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3988 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3989 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3990 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3992 (splits and peepholes): Use satisfies_constraint_*.
3993 * config/i386/i386.c (memory_address_length)
3994 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3996 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3998 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3999 scalar operation to be put back into the loop.
4001 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4004 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4005 (extract_cie_info): Handle S flag in augmentation string.
4006 (execute_cfa_program): If context->signal_frame, execute also
4007 fs->pc == context->ra instructions.
4008 (uw_frame_state_for): If context->signal_frame, don't subtract one
4009 from context->ra to find FDE.
4010 (uw_update_context_1): Set context->signal_frame to
4012 (_Unwind_GetIPInfo): New function.
4013 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4014 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4016 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4017 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4018 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4019 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4020 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4021 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4022 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4023 x86_64_fallback_frame_state): Set fs->signal_frame.
4024 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4025 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4026 (frob_update_context): Likewise. Workaround missing S flag in
4027 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4028 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4029 Remove the psw_addr + 1 hack.
4031 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4033 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4034 with aggregates here.
4035 (find_func_aliases): Remove code for &<aggregate> from here.
4037 2006-02-26 Roger Sayle <roger@eyesopen.com>
4039 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4040 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4041 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4044 2006-02-26 Roger Sayle <roger@eyesopen.com>
4047 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4049 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4051 * opts.c (decode_options): Do not handle flag_strength_reduce.
4052 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4053 and OPT_fstrength_reduce.
4054 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4055 flag_prefetch_loop_arrays for being nonzero.
4056 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4058 (fprefetch-loop-arrays-rtl): Removed.
4059 (flag_prefetch_loop_arrays): Do not specify the value.
4061 * doc/passes.texi: Update documentation of loop optimizer
4063 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4064 -frerun-loop-opt): Remove.
4066 2006-02-26 Richard Guenther <rguenther@suse.de>
4068 PR tree-optimization/26421
4069 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4070 in function calls that are ADDR_EXPRs as using the whole structure.
4072 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4074 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4075 * tree-pass.h (pass_loop_optimize): Remove.
4076 * passes.c (pass_loop_optimize): Never run it.
4077 * toplev.c (backend_init): Don't call init_loop.
4078 * opts.c (flag_loop_optimize_set): Remove.
4079 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4080 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4081 the old RTL loop optimizer when profiling enabled.
4082 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4083 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4084 pre-headers for the sake of the old RTL loop optimizer.
4085 * Makefile.in: Remove all references to loop.o.
4087 * doc/invoke.texi: Remove all references to -floop-optimize
4088 and -frerun-loop-opt.
4090 2006-02-26 Zack Weinberg <zackw@panix.com>
4092 * doc/md.texi (Machine Constraints): Refer to all files with paths
4093 relative to gcc directory (i.e. config/CPU/file). Add missing
4094 @table @code ... @end table to M32C subsection.
4096 2006-02-26 Roger Sayle <roger@eyesopen.com>
4098 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4100 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4102 2006-02-26 Roger Sayle <roger@eyesopen.com>
4103 James A. Morrison <phython@gcc.gnu.org>
4106 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4107 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4108 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4109 signedness of the shift operation.
4111 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4113 PR tree-optimization/26359
4114 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4116 2006-02-25 Roger Sayle <roger@eyesopen.com>
4118 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4119 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4120 as X == 0, and some symmetry related transformations.
4121 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4123 2006-02-25 Roger Sayle <roger@eyesopen.com>
4126 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4127 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4128 symmetry related transformations. Fold (X^C1) == C2 as
4131 2006-02-25 Juergen Weigert <jw@suse.de>
4132 Richard Guenther <rguenther@suse.de>
4134 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4136 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4138 * combine.c (gen_lowpart_or_truncate): Call
4139 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4141 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4143 * doc/invoke.texi: Move -fopenmp description to "Options for
4145 Remove reference to -lgomp.
4147 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4149 * doc/install.texi: Require GNU tar version 1.14.
4151 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4153 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4154 * doc/invoke.texi (C++ Dialect Options): Document
4155 -fno-use-cxa-get-exception-ptr.
4156 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4157 * configure: Regenerate.
4158 * c.opt (fuse-cxa-get-exception-ptr): New.
4159 * c-opts.c (c_common_handle_option): Handle
4160 OPT_fuse_cxa_get_exception_ptr.
4161 * c-common.c (flag_use_cxa_atexit): Update documentation.
4162 (flag_use_cxa_get_exception_ptr): New.
4163 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4164 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4166 (C_COMMON_OVERRIDE_OPTIONS): New.
4168 2006-02-24 Roger Sayle <roger@eyesopen.com>
4171 * combine.c (try_combine): Explicitly check whether GET_CODE is
4172 a SET or a CLOBBER, instead on checking that it isn't a USE.
4174 2006-02-24 Roger Sayle <roger@eyesopen.com>
4176 * fold-const.c (fold_comparison): New subroutine of fold_binary
4177 containing transformations common to both the equality and
4178 ordering relational operators, factored out of fold_binary.
4179 (fold_binary): Separate out the equality operators (EQ_EXPR
4180 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4181 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4182 transformations common to both.
4183 (fold_div_compare): Fix latent bugs in the previously unreachable
4184 LT_EXPR and GE_EXPR cases.
4186 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4188 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4189 decl libname for clog to __clog on AIX.
4191 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4193 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4196 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4197 output traceback table for thunks. Localise rs6000_stack_info call.
4199 2006-02-23 Roger Sayle <roger@eyesopen.com>
4200 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4202 * gthr-posix.h (__gthrw): Fix typo in comment.
4204 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4206 * doc/cpp.texi (Character sets): Document that we do support
4207 input files to be in any character set.
4209 2006-02-23 Jeff Law <law@redhat.com>
4211 * tree.h (PHI_ARG_NONZERO): Remove.
4212 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4213 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4214 node to the new node.
4216 PR tree-optimization/26425
4217 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4218 min/max, then assume its varying.
4220 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4222 PR rtl-optimization/26316
4223 * rtlanal.c (enum may_trap_p_flags): New.
4224 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4225 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4226 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4227 (may_trap_after_code_motion_p): New function.
4228 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4229 (find_invariant_insn): Use may_trap_after_code_motion_p.
4230 * rtl.h (may_trap_after_code_motion_p): Declare.
4232 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4234 * emit-rtl.c (immed_double_const): Cleanup.
4236 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4238 Fix PR tree-optimization/26376
4239 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4242 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4245 * gimplify.c (omp_add_variable): Guard variable size decl test with
4246 DECL_SIZE (decl) check.
4248 2006-02-23 Richard Guenther <rguenther@suse.de>
4251 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4252 like aggregate types.
4254 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4256 * configure.ac: Add --with{,out}-long-double-128 configure option.
4257 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4258 * configure: Rebuilt.
4259 * config.in: Rebuilt.
4260 * doc/install.texi (Options specification): Document
4261 --with-long-double-128.
4263 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4264 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4265 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4266 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4268 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4270 * config/s390/s390.c (override_options): Handle
4271 TARGET_DEFAULT_LONG_DOUBLE_128.
4273 * config/alpha/alpha.c (override_options): Handle
4274 TARGET_DEFAULT_LONG_DOUBLE_128.
4276 * config/sparc/sparc.c (sparc_override_options): Handle
4277 TARGET_DEFAULT_LONG_DOUBLE_128.
4279 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4281 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4282 (real-install-headers-tar, real-install-headers-cpio)
4283 (real-install-headers-cp): New targets.
4285 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4287 * tree.h (variable_section): Delete.
4288 * varasm.c (variable_section): Delete.
4290 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4292 * install.texi: Add notes on install.texi2html.
4293 (Building in parallel): Do not use footnotes.
4295 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4298 * doc/install.texi (Configuration): Document --disable-libgomp.
4300 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4302 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4304 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4306 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4307 (vec_extractv2df_0_sse): New.
4309 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4311 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4312 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4313 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4314 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4315 to the result of the expression.
4316 (def_cfa_1): Adjust.
4317 (frame_pointer_cfa_offset): Rename to...
4318 (frame_pointer_fb_offset): ... this. Adjust all uses.
4319 (convert_cfa_to_loc_list): Rename to...
4320 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4321 Pass it on to build_cfa_loc.
4322 (compute_frame_pointer_to_cfa_displacement): Rename to...
4323 (compute_frame_pointer_to_fb_displacement): ... this. New
4324 offset parameter. Use it in computation.
4325 (gen_subprogram_die): Compute cfa_fb_offset with the new
4326 macro, and use it to compute the fb loc list and the
4329 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4331 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4332 replaced with register_operand.
4333 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4334 non-DREG is expensive.
4335 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4336 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4339 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4341 * doc/install.texi2html: Use set -e.
4343 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4345 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4346 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4347 * doc/invoke.texi (-fshared-data): Delete.
4348 * common.opt (fshared-data): Delete.
4349 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4350 (assemble_static_space): Remove #if 0 code.
4351 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4352 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4353 * config/cris/cris.h: Remove FIXME.
4355 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4357 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4360 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4363 * combine.c (simplify_shift_const_1): Disable nested shifts
4364 optimization for vector shifts.
4366 2006-02-20 Roger Sayle <roger@eyesopen.com>
4368 PR tree-optimization/26361
4369 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4370 of unsigned integer types.
4372 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4374 * tree-chrec.c (eq_evolutions_p): New.
4375 * tree-chrec.h (eq_evolutions_p): Declared.
4376 * tree-data-ref.c: Fix formatting.
4377 (datadep_stats, dependence_stats): New.
4379 (print_direction_vector): New.
4380 (dump_data_dependence_relation): Use print_direction_vector.
4381 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4382 (compute_subscript_distance): Static.
4383 (initialize_data_dependence_relation): Static. Get the number
4384 of loops surrounding the references from the callers, and initialize
4385 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4386 base_object_differ_p analyzers.
4387 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4388 compute_overlap_steps_for_affine_1_2,
4389 analyze_subscript_affine_affine): Count the classified dependences.
4390 Print a message when a test failed.
4391 (can_use_analyze_subscript_affine_affine): New.
4392 (analyze_siv_subscript): Compute the data dependences on symbolic
4393 scevs that verify can_use_analyze_subscript_affine_affine.
4394 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4395 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4396 Handle symbolic scevs.
4397 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4399 (subscript_dependence_tester): Moved...
4400 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4401 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4402 DDR_SIZE_VECT instead of getting it in parameter.
4403 (subscript_dependence_tester): ... here. Take as a parameter
4404 loop_nest_depth. Call build_classic_dist_vector and
4405 build_classic_dir_vector.
4406 (compute_affine_dependence): Update subscript_dependence_tester
4407 parameters. Update datadep_stats counters. Call
4408 compute_subscript_distance.
4409 (compute_self_dependence): Save the dist and dir vectors. Call
4410 compute_subscript_distance.
4411 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4412 (compute_all_dependences): Reorder parameters as they were before
4413 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4414 compute_subscript_distance. Update the use of
4415 compute_affine_dependence and initialize_data_dependence_relation.
4416 (find_data_references_in_loop): Handle COMPONENT_REF.
4417 (compute_data_dependences_for_loop): Initialize dependence_stats.
4418 Don't call build_classic_dist_vector and build_classic_dir_vector.
4419 Update the parameters of initialize_data_dependence_relation and
4420 compute_all_dependences. Print the statistics from datadep_stats.
4421 (analyze_all_data_dependences): Static. Not used until the pass for
4422 checking the data dependences is contributed.
4423 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4424 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4425 (initialize_data_dependence_relation, compute_affine_dependence,
4426 analyze_all_data_dependences, compute_subscript_distance): Removed.
4427 (print_direction_vector): New.
4428 * lambda.h (gcd): ... here.
4429 (lambda_vector_gcd): Moved here from gcd_vector.
4430 * lambda-code.c (gcd, gcd_vector): Removed.
4431 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4432 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4434 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4436 * ipa-type-escape.c: Tidy some comments and white space.
4437 * tree-ssa-operands.c: Likewise.
4439 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4442 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4443 (dump_decl_name): Do not walk the decl tree chains.
4444 * tree-pass.h (TDF_CHAIN): Remove.
4446 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4448 * Makefile.in (C): Remove
4450 (.PHONY): Remove C and PROTO
4452 2006-02-20 Roger Sayle <roger@eyesopen.com>
4455 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4456 deprecated CHAR_TYPE tree code.
4458 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4460 * configure.ac (target_list): Add install-info, dvi, html.
4461 * configure: Regenerate.
4463 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4464 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4465 treelang/Make-lang.in: Do not use double-colon rules.
4467 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4469 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4470 (TMT_USED_ALONE): New macro.
4471 * tree-pass.h (PROP_tmt_usage): New property.
4472 (TODO_update_tmt_usage): New todo.
4473 * tree-ssa-alias.c (updating_used_alone): New variable.
4474 (recalculate_used_alone): New function.
4475 (compute_may_aliases): Set updating_used_alone, call
4476 recalculate_used_alone.
4477 * tree-sra.c (pass_sra): Note that this pass destroys
4478 PROP_tmt_usage, and add TODO_update_tmt_usage.
4479 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4480 * tree-flow.h (updating_used_alone): Prototype.
4481 (recalculate_used_alone): Ditto.
4482 * passes.c (execute_todo): Add code to set updating_used_alone,
4483 and call recalculate.
4484 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4485 for clobber if used alone, and add assert to verify used_alone
4488 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4490 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4491 for non tls symbols added.
4492 (legitimize_address): Do nothing for PLUS expressions if one of the
4493 addends is a tls symbol reference.
4495 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4499 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4501 * Makefile.in (BOOTSTRAPPING): New.
4502 (quickstrap): New definition if BOOTSTRAPPING=yes.
4504 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4505 * configure.ac: Substitute all_selected_languages with the languages
4506 that were configured. For all the other variables except
4507 lang_specs_files, include all the languages in the tree.
4508 * configure: Regenerate.
4510 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4511 if there is one. Run the commands to run fixincludes in the same
4514 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4515 * doc/install.texi: Document exact conventions for searching target tools.
4516 Document --with-build-time-tools. Document toplevel bootstrap. Document
4517 something more about building an Ada cross-compiler. Don't list GNU Make
4518 requirements which affect all platforms.
4520 2006-02-19 Roger Sayle <roger@eyesopen.com>
4523 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4524 only equivalent if the have both the same mode and precision.
4526 2006-02-20 Ben Elliston <bje@au.ibm.com>
4528 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4530 2006-02-19 Roger Sayle <roger@eyesopen.com>
4531 Steven Bosscher <stevenb.gcc@gmail.com>
4533 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4534 constant pool references to identify stack mode constants.
4535 * rtlanal.c (constant_pool_constant_p): New predicate to check
4536 whether operand is a floating point constant in the pool.
4537 * rtl.h (constant_pool_constant_p): Prototype here.
4538 * loop.c (scan_loop): Avoid hoisting constants from the constant
4539 pool on STACK_REGS targets.
4540 (load_mems): Likewise.
4541 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4542 loads into x87 registers expensive in terms of register pressure.
4544 2006-02-19 Roger Sayle <roger@eyesopen.com>
4546 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4547 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4549 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4551 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4552 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4554 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4556 * doc/invoke.texi: Document -fipa-pta.
4557 * common.opt: Add ipa-pta option.
4558 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4559 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4560 (do_ds_constraint): Ditto.
4561 (get_constraint_for): Only add to referenced_vars if
4562 referenced_vars exists.
4563 (insert_into_field_list): Rewrite to do this unsorted.
4564 (insert_into_field_list_sorted): Rename old insert_into_field_list
4566 (create_function_info_for): Use insert_into_field_list_sorted.
4567 (create_variable_info_for): Rewrite so it uses unsorted version,
4568 since the field list is sorted.
4569 (intra_create_variable_infos): Only add to referenced_vars if
4570 referenced_vars exists.
4571 (ipa_pta_execute): Init heapvars, and delete when done.
4572 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4574 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4576 * doc/install.texi: Add missing `@samp'.
4578 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4580 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4583 2006-02-18 Mark Wielaard <mark@klomp.org>
4585 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4586 who added new 4.1 features, bug fixes and integration support.
4588 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4591 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4594 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4596 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4597 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4598 (copy_insn_1): Likewise. Don't copy each field individually.
4600 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4602 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4603 * rtl.c (rtx_size): Rename variable to...
4604 (rtx_code_size): ...this.
4605 (rtx_size): New function.
4606 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4607 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4609 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4610 * rtl.h (rtx_code_size): New variable.
4611 (rtx_size): Change from a variable to a function.
4612 (RTX_SIZE): Rename to...
4613 (RTX_CODE_SIZE): ...this.
4616 PR tree-optimization/17106
4617 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4618 (Anchored Addresses): New section.
4619 * doc/invoke.texi (-fsection-anchors): Document.
4620 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4621 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4622 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4623 * hooks.c (hook_bool_mode_rtx_false): New function.
4624 * hooks.h (hook_bool_mode_rtx_false): Declare.
4625 * gengtype.c (create_optional_field): New function.
4626 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4627 SYMBOL_REF_IN_BLOCK_P is true.
4628 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4629 (min_anchor_offset, max_anchor_offset): Likewise.
4630 (use_anchors_for_symbol_p): New hook.
4631 * toplev.c (compile_file): Call output_object_blocks.
4632 (target_supports_section_anchors_p): New function.
4633 (process_options): Check that -fsection-anchors is only used on
4634 targets that support it and when -funit-at-a-time is in effect.
4635 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4636 if the decl doesn't have one.
4637 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4638 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4639 of force_const_mem through use_anchored_address.
4640 (expand_expr_constant): New function.
4641 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4642 calling expand_expr for INDIRECT_REF.
4643 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4644 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4645 * expr.h (use_anchored_address): Declare.
4646 * loop-unroll.c: Don't declare rtx vectors here.
4647 * explow.c: Include output.h.
4648 (validize_mem): Call use_anchored_address.
4649 (use_anchored_address): New function.
4650 * common.opt (-fsection-anchors): New switch.
4651 * varasm.c (object_block_htab, anchor_labelno): New variables.
4652 (hash_section, object_block_entry_eq, object_block_entry_hash)
4653 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4654 (use_blocks_for_decl_p, change_symbol_section): New functions.
4655 (get_variable_section): New function, split out from assemble_variable.
4656 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4657 use_blocks_for_decl_p say so. Use change_symbol_section if the
4658 symbol has already been created.
4659 (assemble_variable_contents): New function, split out from...
4660 (assemble_variable): ...here. Don't output any code for
4661 block symbols; just pass them to place_block_symbol.
4662 Use get_variable_section and assemble_variable_contents.
4663 (get_constant_alignment, get_constant_section, get_constant_size): New
4664 functions, split from output_constant_def_contents.
4665 (build_constant_desc): Create a block symbol if use_object_blocks_p
4666 says so. Or into SYMBOL_REF_FLAGS.
4667 (assemble_constant_contents): New function, split from...
4668 (output_constant_def_contents): ...here. Don't output any code
4669 for block symbols; just pass them to place_section_symbol.
4670 Use get_constant_section and get_constant_alignment.
4671 (force_const_mem): Create a block symbol if use_object_blocks_p and
4672 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4673 (output_constant_pool_1): Add an explicit alignment argument.
4674 Don't switch sections here.
4675 (output_constant_pool): Adjust call to output_constant_pool_1.
4676 Switch sections here instead. Don't output anything for block symbols;
4677 just pass them to place_block_symbol.
4678 (init_varasm_once): Initialize object_block_htab.
4679 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4680 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4681 (place_block_symbol, get_section_anchor, output_object_block)
4682 (output_object_block_htab, output_object_blocks): New functions.
4683 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4684 (TARGET_ASM_OUT): Include it.
4685 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4686 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4687 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4688 (TARGET_INITIALIZER): Include them.
4689 * rtl.c (rtl_check_failed_block_symbol): New function.
4690 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4691 (block_symbol, object_block): New structures.
4692 (rtx_def): Add a block_symbol field to the union.
4693 (BLOCK_SYMBOL_CHECK): New macro.
4694 (rtl_check_failed_block_symbol): Declare.
4695 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4696 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4697 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4698 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4699 * output.h (output_section_symbols): Declare.
4700 (object_block): Name structure.
4701 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4702 (default_use_anchors_for_symbol_p): Declare.
4703 * Makefile.in (RTL_BASE_H): Add vec.h.
4704 (explow.o): Depend on output.h.
4705 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4706 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4707 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4708 (rs6000_use_blocks_for_constant_p): New function.
4710 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4712 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4714 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4717 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4720 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4722 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4726 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4729 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4730 instead of DECL_REGISTER.
4732 2006-02-18 Olivier Hainque <hainque@adacore.com>
4735 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4737 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4740 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4741 * opth-gen.awk: Handle Var and InverseMask together.
4742 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4743 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4744 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4745 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4747 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4748 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4749 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4750 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4751 LINUX_DYNAMIC_LINKER): Define.
4752 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4753 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4755 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4756 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4757 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4758 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4759 (TARGET_C99_FUNCTIONS): Don't define.
4760 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4761 GLIBC_DYNAMIC_LINKER.
4762 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4763 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4764 GLIBC_DYNAMIC_LINKER64): Define.
4765 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4766 LINUX_DYNAMIC_LINKER64.
4767 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4768 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4769 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4770 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4771 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4772 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4773 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4774 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4775 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4776 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4777 and LINUX_DYNAMIC_LINKER32.
4778 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4779 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4780 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4781 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4782 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4784 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4785 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4786 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4787 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4788 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4789 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4790 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4791 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4792 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4793 LINUX_DYNAMIC_LINKER): Define.
4794 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4795 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4796 GLIBC_DYNAMIC_LINKER64): Define.
4797 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4798 LINUX_DYNAMIC_LINKER64.
4799 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4800 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4801 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4802 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4803 LINUX_DYNAMIC_LINKER): Define.
4804 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4805 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4806 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4807 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4808 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4809 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4810 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4811 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4812 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4813 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4814 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4815 * doc/invoke.texi (-muclibc): Remove caveat about supported
4818 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4820 * doc/cpp.texi (__TIMESTAMP__): Document.
4822 2006-02-17 Roger Sayle <roger@eyesopen.com>
4825 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4826 C is one less than the width of X (and related transformations).
4827 * simplify-rtx.c (simplify_unary_operation_1): Transform
4828 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4829 depending on STORE_FLAG_VALUE, were C is one less then the
4832 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4834 Fix PR tree-optimization/26341
4835 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4836 about NAME_MEMORY_TAG's.
4838 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4841 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4842 with hardware float support, and software float support. Add fcpy
4843 alternative to hardware patterns. Add alternatives to copy between
4844 general and floating-point registers to the 32-bit pattern.
4845 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4846 secondary reload to load a QI or HI mode constant into a floating
4848 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4849 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4851 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4854 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4856 (load_macho_picbase_di): Likewise.
4858 2006-02-16 Jeff Law <law@redhat.com>
4860 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4861 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4862 (ssa_name_nonzero_p): Likewise.
4863 (get_value_range): Return NULL if VRP is not running.
4864 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4865 VRP routines do not discover a range.
4866 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4867 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4868 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4869 (tree_expr_nonnegative_p): Similarly.
4870 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4871 (restore_nonzero_vars_to_original_value): Remove.
4872 (unsafe_associative_fp_binop): Remove.
4873 (tree_ssa_dominator_optimize): Remove initialization and
4874 finalization of nonzero_vars and nonzero_vars_stack.
4875 (dom_opt_initialize_block): No longer push marker on
4877 (dom_opt_finalize_block): No longer call
4878 restore_nonzero_vars_to_original_value.
4879 (record_equivalences_from_phis): No longer look for
4880 nonzero PHI arguments.
4881 (cprop_into_successor_phis): No longer propagate nonzero
4882 property into PHI arguments. Lose unused argument. Caller
4884 (record_equivalences_from_stmt): No longer record nonzero
4885 values for SSA_NAMEs.
4886 (lookup_avail_expr): No longer use nonzero_vars.
4888 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4889 for sizetype when sizetype is unsigned.
4891 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4893 PR rtl-optimization/25603
4894 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4895 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4896 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4897 with new meaning of SETS.
4899 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4904 * config/linux.opt: New file.
4905 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4906 LINUX_DYNAMIC_LINKER): Define.
4907 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4908 * config.gcc (*-*-linux*): Define extra_options.
4909 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4910 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4911 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4912 GLIBC_DYNAMIC_LINKER.
4913 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4914 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4915 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4916 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4917 * doc/invoke.texi (GNU/Linux Options): New section.
4919 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4921 * config/sparc/sparc.md (setjmp): Rewrite.
4922 (setjmp_32): Delete.
4923 (setjmp_64): Likewise.
4925 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4927 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4930 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4932 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4935 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4937 PR rtl-optimization/26296
4938 * Makefile.in (loop-invariant.c): Add except.h dependency.
4939 * loop-invariant.c: Include except.h.
4940 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4942 2005-02-16 Paul Brook <paul@codesourcery.com>
4944 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4947 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4949 PR rtl-optimization/25636
4950 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4951 when deciding whether an insn is an initializing insn.
4953 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4955 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4956 (tree_code_size): Ditto.
4957 * tree.h (struct tree_memory_tag): Remove parent_var.
4958 (struct tree_struct_field_tag): New.
4961 (union tree_node): Add sft member.
4962 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4964 (create_sft): Add size and offset argument, set SFT_OFFSET and
4966 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4967 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4968 * tree-flow-inline.h (get_subvar_at): Update for
4969 SFT_OFFSET/SFT_SIZE.
4970 (var_can_have_subvars): Ditto.
4971 (overlap_subvar): Ditto.
4972 * print-tree.c (print_node): Print out interesting things for
4974 * tree-flow.h (struct subvar): Remove offset and size members.
4975 * tree-ssa-operands.c (get_expr_operands): Update for
4976 get_indirect_ref_operands changes.
4977 (get_indirect_ref_operands): Call add_virtual_operand instead of
4978 add_stmt_operand. Only recurse on base var if requested.
4979 (access_can_touch_variable): New function.
4980 (add_stmt_operand): Split virtual operand handling into ...
4981 (add_virtual_operand): Here. Add offset, size, and for_clobber
4982 arguments. Prune alias sets.
4983 (add_call_clobber_ops): Call add_virtual_operand.
4985 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4988 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4990 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4991 than TREE_CODE as index into omp_clause_num_ops array.
4993 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4995 PR rtl-optimization/26184
4996 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4998 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4999 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5000 must_precede, must_follow and tobe_scheduled.
5003 * opts.c (common_handle_option): Free new_option pointer.
5004 * df-core.c (df_analyze): Free postorder pointer.
5006 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5008 * Makefile.in: Fix the examples about the use of stamps
5010 2006-02-15 Michael Matz <matz@suse.de>
5014 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5015 influenced by maximum_field_alignment or DECL_PACKED.
5016 (update_alignment_for_field): Ditto.
5017 (place_field): Ditto.
5018 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5021 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5023 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5024 (debug_flow_info): Pass it.
5025 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5026 * bb-reorder.c (reorder_basic_blocks): Likewise.
5027 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5028 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5029 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5030 * gcse.c (gcse_main, bypass_jumps): Likewise.
5031 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5032 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5033 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5034 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5035 * rtl.h (dump_flow_info): Adjust prototype.
5036 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5037 * var-tracking.c (variable_tracking_main): Likewise.
5038 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5039 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5042 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5044 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5047 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5049 PR tree-optimization/26209
5050 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5051 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5053 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5055 2006-02-14 Roger Sayle <roger@eyesopen.com>
5058 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5059 (X,Y) and the corresponding symmetry related transformations.
5060 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5061 (X,Y) and its symmetry related transformations.
5063 2006-02-14 Roger Sayle <roger@eyesopen.com>
5065 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5068 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5070 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5072 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5075 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5076 support COMDAT group.
5077 * configure: Regenerate.
5079 2006-02-14 Roger Sayle <roger@eyesopen.com>
5084 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5086 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5088 Fix PR tree-optimization/26260
5090 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5092 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5093 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5094 * tree-ssa-structalias.c (create_variable_info_for): Use
5095 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5097 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5099 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5101 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5102 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5103 of the ending condition.
5104 * tree-ssa-loop-manip.c: Include params.h.
5105 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5106 tree_unroll_loop): New functions.
5107 * tree-pass.h (pass_loop_prefetch): Declare.
5108 * loop.c (rest_of_handle_loop_optimize): Test for
5109 -fprefetch-loop-arrays-rtl.
5110 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5111 * timevar.def (TV_TREE_PREFETCH): New timevar.
5112 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5113 pass_loop_prefetch): New.
5114 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5115 (cleanup_tree_cfg_loop): Call scev_reset.
5116 * common.opt (fprefetch-loop-arrays-rtl): Add.
5117 * tree-ssa-loop-prefetch.c: New file.
5118 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5119 (new_temp_expr_table): Initialize expr_vars.
5120 (free_temp_expr_table): Cleanup expr_vars.
5121 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5122 expressions from being merged into one.
5123 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5124 (struct tree_niter_desc): Add control, bound and cmp fields.
5125 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5127 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5128 (tree-cfgcleanup.o): Add SCEV_H dependency.
5129 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5130 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5132 2006-02-14 Richard Guenther <rguenther@suse.de>
5134 PR tree-optimization/26258
5135 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5136 in PHI argument processing.
5138 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5140 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5141 new expression in the requested machine mode.
5143 2006-02-13 Roger Sayle <roger@eyesopen.com>
5145 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5146 directly, instead let do_compare_rtx_and_jump handle this for us.
5147 * expr.c (expand_expr_real_1): Likewise.
5148 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5149 before do_jump_by_parts_greater.
5150 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5151 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5153 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5155 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5157 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5159 PR rtl-optimization/26235
5160 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5161 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5164 2006-02-13 Jeff Law <law@redhat.com>
5166 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5169 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5172 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5173 twice if decl is a builtin. When trying again, call get_callee_fndecl
5174 first to verify it is still a builtin.
5176 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5178 * dwarf2out.c (base_type_die): Don't add AT_name here.
5179 (subrange_type_die): Don't add AT_name here.
5180 (modified_type_die): Rearrange code flow. Do add AT_name here.
5182 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5184 PR rtl-optimization/26247
5185 PR rtl-optimization/26248
5186 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5188 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5190 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5191 * config/fixtfdi.c: Likewise.
5192 * config/fixunstfdi.c: Likewise.
5193 * config/floatditf.c: Likewise.
5195 2006-02-13 Roger Sayle <roger@eyesopen.com>
5198 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5199 into (X,C2) if C1 is a subset of the bits of C2. Transform
5200 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5202 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5204 2006-02-13 Josh Conner <jconner@apple.com>
5207 * varasm.c (function_section): Check for section name before
5208 calling select_section on targets that define
5209 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5210 unlikely_text_section instead of hot_function_section if
5211 first_function_block_is_cold.
5213 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5216 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5218 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5220 PR rtl-optimization/26222
5221 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5222 after tree->rtl expansion.
5223 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5224 before passing it to emit_move_insn.
5226 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5228 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5230 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5231 Clarify documentation.
5232 * c-common.h (warn_write_strings): Remove.
5233 * c-common.c (warn_write_strings): Likewise.
5234 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5237 2006-02-12 Roger Sayle <roger@eyesopen.com>
5240 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5241 (do_jump_parts_zero_rtx): New function renamed from
5242 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5243 (do_jump_parts_equality_rtx): New function split out from
5244 do_jump_parts_equality. Old implementation renamed as above.
5245 Call do_jump_parts_zero_rtx if either operand is zero.
5246 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5247 do all of the heavy lifting.
5248 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5249 calling either do_jump_by_parts_greater_rtx or
5250 do_jump_by_parts_equality_rtx.
5251 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5252 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5253 moved to do_compare_rtx_and_jump, call it directly.
5254 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5255 mode argument. Call do_compare_rtx_and_jump.
5256 (emit_case_nodes): Update calls to do_jump_if_equal.
5258 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5260 PR rtl-optimization/26225
5261 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5263 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5265 PR rtl-optimization/26232
5266 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5268 2006-02-11 Jason Merrill <jason@redhat.com>
5271 * tree-inline.c (declare_return_variable): Just don't use the
5272 modify target if it's a gimple complex reg and the return slot
5275 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5277 * doc/contrib.texi: Update my entry.
5279 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5281 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5283 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5285 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5288 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5290 * doc/invoke.texi (-floop-optimize2): Removed.
5291 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5292 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5293 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5294 * common.opt (floop-optimize2): Removed.
5295 (fmove-loop-invariants): Enabled by default.
5297 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5299 * tree-if-conv.c (combine_blocks): Free the result of
5300 get_loop_exit_edges.
5302 2006-02-10 Jeff Law <law@redhat.com>
5304 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5306 PR tree-optimization/26213
5307 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5308 loop trying to follow SSA_NAME_VALUE chains.
5310 2006-02-10 Richard Guenther <rguenther@suse.de>
5312 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5313 deal with structures that end in implicitly variable sized arrays.
5315 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5317 PR rtl-optimization/24762
5318 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5321 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5323 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5324 (struct ivopts_data): Add regs_used field.
5325 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5326 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5327 instead of loop_data->regs_used;
5328 (free_loop_data): Do not free aux fields for loops.
5329 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5330 and tree_ssa_iv_optimize_finalize.
5332 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5334 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5336 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5339 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5340 computing the effective result type.
5342 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5345 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5346 (tree_overlaps_hard_reg_set): Declare.
5347 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5348 type and signature to match function type expected by walk_tree.
5349 (tree_overlaps_hard_reg_set): New function.
5350 (decl_conflicts_with_clobbers_p): Rename to:
5351 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5352 Use tree_overlaps_hard_reg_set. Changed caller.
5353 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5354 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5355 * cris.c (cris_md_asm_clobbers): Likewise.
5357 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5359 * reload1.c (emit_input_reload_insns): Delete code that tries to
5360 inherit using find_equiv_reg.
5362 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5364 * c-common.h (flag_const_strings): Don't declare.
5365 * c-common.c (flag_const_strings): Remove.
5366 * c.opt (fconst_strings): Remove.
5367 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5368 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5369 (c_common_init_options): Don't set flag_const_strings.
5370 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5372 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5374 * arm.md (tlobits_cbranch): New pattern.
5375 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5376 testing a single bit.
5378 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5381 * tree-ssa-pre.c (create_component_ref_by_pieces):
5382 Handle RETURN_DECL like VAR_DECL.
5384 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5387 * fold-const.c (fold_indirect_ref_1): Fold
5388 "*(foo *)&complexfoo" to "__real__ complexfoo"
5389 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5391 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5393 * tree-flow-inline.h (var_can_have_subvars):
5394 Volatile variables should not have subvariables.
5396 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5399 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5400 multiplying unsigned values.
5403 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5405 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5407 2006-02-08 Jason Merrill <jason@redhat.com>
5410 * tree.def: Elaborate on difference from MODIFY_EXPR.
5411 * doc/c-tree.texi (INIT_EXPR): Likewise.
5412 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5413 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5414 (gimplify_target_expr): Likewise.
5415 (gimplify_cond_expr): Remove target handling.
5416 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5417 (gimplify_expr): Clobber it here.
5418 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5419 Do return slot optimization if we have an INIT_EXPR.
5422 * tree-inline.c (declare_return_variable): Also clear
5423 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5426 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5429 * gimplify.c (gimplify_one_sizepos): Fix typo.
5431 2006-02-08 Jeff Law <law@redhat.com>
5433 PR tree-optimization/21417
5434 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5435 across a backedge if the control statement at the end of the
5436 block is data dependent on other statements in the same block.
5437 (record_temporary_equivalences_from_stmts): Remove over-conservative
5438 test for threading across backedges.
5440 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5441 control statement, handle all three special cases in the same
5442 manner as they all have the same desired solution. No longer
5443 special case edge flag updating when the post dominator is
5446 2006-02-08 Roger Sayle <roger@eyesopen.com>
5448 * tree.def (CHAR_TYPE): Remove.
5449 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5450 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5451 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5452 (gen_string_type_die): Delete unreachable function.
5454 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5455 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5456 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5457 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5458 * builtins.c (type_to_class): Likewise.
5459 * fold-const.c (fold_convert, build_range_check,
5460 merge_ranges): Likewise.
5461 * expr.c (count_type_elements): Likewise.
5462 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5463 * stor-layout.c (layout_type): Likewise.
5464 * ipa-type-escape.c (type_to_consider): Likewise.
5465 * gimplify.c (omp_firstprivatize_type_sizes,
5466 gimplify_type_sizes): Likewise.
5467 * explow.c (promote_mode): Likewise.
5468 * tree-sra.c (is_sra_scalar_type): Likewise.
5469 * varasm.c (output_constant): Likewise.
5470 * tree-inline.c (remap_type_1): Likewise.
5471 * convert.c (convert_to_pointer, convert_to_real,
5472 convert_to_integer, convert_to_complex): Likewise.
5474 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5476 * df-scan.c (df_def_record_1): A set destination may
5477 be a parallel regardless of mode.
5479 2006-02-08 Roger Sayle <roger@eyesopen.com>
5482 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5483 * config/mips/_tilib.c: Remove.
5484 * config/fixtfdi.c: New libgcc source file.
5485 * config/fixunstfdi.c: New source file.
5486 * config/floatditf.c: New source file.
5487 * config/floatunditf.c: New souce file.
5488 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5489 files above instead of config/mips/_tilib.c.
5490 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5492 2006-02-08 Jeff Law <law@redhat.com>
5494 PR tree-optimization/26169
5495 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5498 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5500 * df.h (DF_REG_SIZE): Return the length of the initialized
5503 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5505 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5506 __muldf3): Return a correctly signed zero.
5508 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5510 * passes.c (register_one_dump_file): Accept the current properties
5511 instead of pass number. Adjust call to dump_register. Remove
5513 (register_dump_files): Now a wrapper around...
5514 (register_dump_files_1): ... this one. Do not modify the pass
5516 (next_pass_1): Cosmetic fix.
5517 (execute_todo): Keep second parameter only. Use curr_properties
5518 instead of fetching it from the pass structure. Check and set
5520 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5521 instead of fetching it from the pass structure. Fix calls to
5522 execute_todo. Update curr_properties and initialize .vcg RTL dump
5523 after running the pass. Reset last_verified.
5524 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5526 (FIRST_AUTO_NUMBERED_DUMP): New.
5527 (dump_register): Remove "num" parameter, assign it within the
5529 (get_dump_file_name): Modify template for dumps.
5530 * tree-dump.h (dump_register): Adjust prototype.
5531 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5532 (PROP_trees): Add PROP_gimple_lomp.
5533 (TODO_set_props): New.
5534 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5535 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5536 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5538 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5540 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5541 (sparc64-*-linux*): Likewise.
5542 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5543 * config/sparc/t-linux: New file.
5544 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5545 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5546 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5547 -m32 -mlong-double-128.
5549 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5550 * config/alpha/t-linux: New file.
5551 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5553 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5554 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5555 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5556 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5557 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5558 (CPP_ARCH32_SPEC): Remove.
5560 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5562 PR tree-optimization/26145
5563 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5566 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5569 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5570 >= 240000 when generating code for SOM runtime.
5571 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5572 to $$dyncall when generating code for SOM runtime..
5574 2006-02-07 Dirk Mueller <dmueller@suse.com>
5577 * doc/invoke.texi (-Wsequence-point): Update documentation
5578 that -Wsequence-point is implemented for C++ as well.
5580 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5582 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5583 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5584 (LIB_SPEC): Likewise.
5585 * doc/invoke.texi (SPARC options): Document -pthread.
5587 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5589 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5592 2006-02-07 Roger Sayle <roger@eyesopen.com>
5594 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5595 Correct comment describing BOOLEAN_TYPE.
5597 2006-02-07 Dirk Mueller <dmueller@suse.com>
5599 * c.opt: C++ frontend supports -Wdiv-by-zero.
5600 * c-opts.c (c_common_handle_option): Remove dead case.
5602 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5604 * configure.ac (TLS assembler check): Do not enable TLS by
5605 default on SPARC/Solaris before version 10.
5606 * configure: Regenerate.
5608 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5610 * doc/invoke.texi (xl-compat): Document conversion and support
5613 2006-02-07 Jeff Law <law@redhat.com>
5615 * tree-vrp.c (find_conditional_asserts): Update comments.
5616 (simplify_stmt_for_jump_threading): New.
5617 (identify_jump_threads, finalize_jump_threads): New.
5618 (vrp_finalize): Call identify_jump_threads.
5619 (execute_vrp): Call finalize_jump_threads.
5620 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5621 (vrp_element, vrp_data, vrp_element_p): Remove.
5622 (vrp_hash_elt, vrp_variables_stack): Remove.
5623 (vrp_hash, vrp_eq, record_range): Remove.
5624 (simplify_cond_and_lookup_avail_expr): Remove.
5625 (extract_range_from_cond): Remove.
5626 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5627 (simplify_stmt_for_jump_threading): New.
5628 (dom_thread_across_edge): New wrapper.
5629 (tree_ssa_dominator_optimize): No longer initialize or
5630 finalize any of the VRP datastructures. Remove iteration
5631 step and simplify as a result of removal of iteration step.
5632 (pass_dominator): Perform a cfg cleanup after DOM.
5633 (dom_opt_finalize_block): Use the new common routines
5634 for threading jumps. Simplify stack management slightly.
5635 No longer need to unwind VRP state.
5636 (record_equivalences_from_incoming_edge): No longer record
5638 (eliminate_redundant_computations): No longer call
5639 simplify_cond_and_lookup_avail_expr.
5640 * tree-flow.h (potentially_threadable_block): Prototype.
5641 (thread_across_edge): Likewise.
5642 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5643 (tree-ssa-threadedge.o): Add dependencies.
5644 * tree-ssa-threadedge.c: New file.
5645 * passes.c (init_optimization_passes): Merge PHIs before
5646 calling VRP. Run VRP again late in the SSA optimization pipeline.
5648 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5650 * df-core.c (df_set_blocks): Do not dereference function pointers.
5651 (df_finish1): Likewise.
5652 (df_hybrid_search_forward): Likewise.
5653 (df_hybrid_search_backward): Likewise.
5654 (df_iterative_dataflow): Likewise.
5655 (df_analyze_problem): Likewise.
5656 (df_compact_blocks): Likewise.
5657 (df_dump): Likewise.
5658 * df-scan.c (df_rescan_blocks): Likewise.
5659 (df_record_entry_block_defs): Likewise.
5661 * genconditions.c (write_conditions): Guard the definition of
5662 'insn_conditions' with the check on GCC version.
5663 (write_writer): Guard the traversal 'insn_conditions' with
5664 the check on GCC version.
5666 2006-02-07 Richard Guenther <rguenther@suse.de>
5670 2006-01-30 Richard Guenther <rguenther@suse.de>
5672 * gimplify.c (gimplify_target_expr): Handle easy cases
5673 without creating a temporary.
5675 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5677 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5678 use of float in probability computations. Use edge probabilities
5679 in place of statically computed probabilities.
5680 (min_spec_prob): New static variable.
5681 (schedule_insns): Initialize it.
5682 (GET_SRC_PROB): Removed.
5683 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5685 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5688 * config/ia64/unwind-ia64.c: Revert last change.
5689 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5690 (INCOMING_FRAME_SP_OFFSET): Define.
5692 2006-02-06 Roger Sayle <roger@eyesopen.com>
5694 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5696 2006-02-07 Ben Elliston <bje@au.ibm.com>
5698 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5699 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5700 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5701 (ix86_return_in_memory): Handle TDmode.
5702 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5703 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5705 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5707 * reorg.c (dbr_schedule): Use dump_file instead of file.
5709 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5712 * config/ia64/predicates.md (extr_len_operand): New predicate.
5713 * config/ia64/ia64.md (extv): Tighten constraints.
5715 (*tbit_and_2): Ditto.
5716 (*tbit_and_3): Ditto.
5717 (*tbit_or_2): Ditto.
5718 (*tbit_or_3): Ditto.
5722 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5725 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5727 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5729 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5730 loop_optimizer_init and loop_optimizer_finalize
5731 * tree-ssa-sink.c (execute_sink_code): Ditto.
5732 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5733 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5734 tree_ssa_loop_done): Ditto.
5735 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5736 * sched-ebb.c: Include output.h.
5737 (schedule_ebbs): Do not use dump argument.
5738 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5739 * loop.c (loop_dump_stream): Removed.
5740 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5742 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5743 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5744 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5745 loop_iterations, strength_reduce, record_biv, record_giv,
5746 final_giv_value, check_final_value, check_ext_dependent_givs,
5747 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5748 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5749 dump_file instead of loop_dump_stream.
5750 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5752 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5754 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5755 * haifa-sched.c: Include output.h
5756 (schedule_insns, sched_init): Do not use dump argument.
5757 * mode-switching.c (optimize_mode_switching): Ditto.
5758 * modulo-sched.c (stats_file): Removed.
5759 (print_node_sched_params): Do not call argument dump_file.
5760 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5761 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5763 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5765 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5766 rtl_loop_init, rtl_loop_done): Ditto.
5767 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5768 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5770 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5771 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5772 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5773 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5774 * emit-rtl.c (renumber_insns): Ditto.
5775 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5776 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5777 * regclass.c (regclass): Ditto.
5778 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5779 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5780 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5781 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5783 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5784 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5786 * gcse.c (gcse_file, debug_stderr): Removed.
5787 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5788 rest_of_handle_gcse): Do not use dump argument.
5789 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5790 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5791 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5792 compute_code_hoist_vbeinout, compute_code_hoist_data,
5793 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5794 compute_store_table, build_store_vectors, insert_insn_start_bb,
5795 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5796 store_motion): Use dump_file instead of gcse_file.
5797 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5798 * profile.c (profile_dump_file): Removed.
5799 (branch_prob): Use dump_file instead of profile_dump_file.
5800 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5802 * tree-ssa-copy.c (dump_copy_of): Ditto.
5803 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5804 dump file to life_analysis.
5805 * bt-load.c (branch_target_load_optimize): Ditto.
5806 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5808 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5809 regclass, dbr_schedule): Declaration changed.
5810 * sched-int.h (sched_init): Declaration changed.
5811 * tree-profile.c (tree_profile_dump_file): Removed.
5812 (tree_profile_hooks): Removed profile_dump_file hook.
5813 * rtl-profile (rtl_profile_dump_file): Removed.
5814 (rtl_profile_hooks): emoved profile_dump_file hook.
5815 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5817 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5818 * tree-cfg.c (build_tree_cfg): Ditto.
5819 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5820 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5821 Declaration changed.
5822 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5823 life_analysis and schedule_insns.
5824 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5826 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5828 * config/mips/mips.c (mips_reorg): Ditto.
5829 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5832 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5834 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5835 (s390_mangle_fundamental_type): New.
5836 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5839 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5840 (alpha_mangle_fundamental_type): New.
5841 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5844 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5846 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5848 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5849 (sparc_mangle_fundamental_type): New.
5851 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5853 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5854 (s390x-*-linux*): Likewise.
5855 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5856 * config/s390/t-linux: New file.
5858 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5860 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5861 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5863 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5865 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5866 (ANTIC_SAFE_LOADS): New macro.
5867 (find_or_generate_expression): Add prototype.
5868 (set_contains_value): Allow null set for sake of not always having
5869 to allocate ANTIC_SAFE_LOADS.
5870 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5871 Allow COMPONENT_REF too.
5872 (valid_in_set): Allow COMPONENT_REF.
5873 Check ANTIC_SAFE_LOADS too.
5874 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5875 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5877 (can_PRE_operation): Add COMPONENT_REF.
5878 (create_component_ref_by_pieces): New function.
5879 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5880 (insert_aux): Move AGGREGATE_TYPE_P check here.
5881 (compute_avail): Set bb local stmt uids.
5882 (pass_pre): Use TODO_update_ssa_only_virtuals.
5884 2006-02-06 Ben Elliston <bje@au.ibm.com>
5886 * configure.ac: Unconditionally disable decimal float by default.
5887 * configure: Regenerate.
5889 2006-02-06 Ben Elliston <bje@au.ibm.com>
5891 * read-rtl.c (read_name): Terminate reading on EOF.
5893 2006-02-06 Ben Elliston <bje@au.ibm.com>
5895 * dfp.c (decimal_real_arithmetic): Change second argument type
5896 from int to enum tree_code. Do not always return true, but now
5897 return result of any call to decimal_do helper functions.
5898 * dfp.h (decimal_real_arithmetic): Update prototype.
5900 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5902 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5904 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5907 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5910 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5912 * tree-vrp.c (cfg_loops): Removed.
5913 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5914 Use current_loops instead of cfg_loops. Pass flags to
5915 loop_optimizer_init.
5916 * cfgloopmanip.c (fix_loop_structure): Update only available
5918 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5919 loop_optimizer_init.
5920 * modulo-sched.c (build_loops_structure): Removed.
5921 (sms_schedule): Use loop_optimizer_init.
5922 * loop-init.c (loop_optimizer_init): Use flags to determine
5923 which properties of loops to prepare.
5924 (rtl_loop_init): Pass flags to loop_optimizer_init.
5925 * tree-ssa-sink.c (execute_sink_code): Ditto.
5926 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5927 * tree-ssa-pre.c (init_pre): Ditto.
5928 * cfgloop.h (LOOPS_NORMAL): New.
5929 (loop_optimizer_init): Declaration changed.
5931 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5933 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5934 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5936 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5938 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5940 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5941 * pa/t-pa64: Delete quadlib.c rule.
5942 * pa/x-ada: Revert last change.
5943 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5945 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5947 PR rtl-optimization/26087
5948 * rtlanal.c (canonicalize_condition): Do not cross basic block
5951 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5954 * config/ia64/ia64.c: Include debug.h.
5955 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5956 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5957 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5958 (process_epilogue, process_set, process_for_unwind_directive):
5959 Output unwind info only if requested. Add CFA info if requested.
5960 Add new arguments as needed. Adjust callers.
5961 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5963 (DWARF2_FRAME_INFO): Define to zero.
5964 * config/ia64/unwind-ia64.c: Remove code that compensated for
5965 the CFA offset error fixed above.
5966 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5967 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5968 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5969 -funwind-tables and -fexceptions to enable frame info.
5970 (dwarf2out_frame_init): Define initial CFA even if
5971 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5972 DWARF2_UNWIND_INFO is nonzero, not just defined.
5973 (dwarf2out_frame_finish): Output non-EH call frame info only
5974 if DWARF2_FRAME_INFO is nonzero.
5975 (convert_cfa_to_loc_list,
5976 compute_frame_pointer_to_cfa_displacement): Define even if
5977 unwind info is not supported.
5978 (gen_subprogram_die): Use the above unconditionally. Remove
5979 legacy alternate code.
5980 * toplev.c (compile_file): Compile in call to
5981 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5982 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5984 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5985 Jakub Jelinek <jakub@redhat.com>
5987 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5988 IBM extended float format long double as "g" on powerpc*-linux.
5990 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5993 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5994 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5996 2006-02-03 Jason Merrill <jason@redhat.com>
5999 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6002 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6003 on the return slot if it's an NRV.
6005 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6007 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6008 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6009 rewrite_use): Do not handle USE_OUTER.
6010 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6011 add_iv_outer_candidates, may_replace_final_value,
6012 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6013 (find_interesting_uses_op): Functionality of
6014 find_interesting_uses_outer_or_nonlin moved here.
6015 (find_interesting_uses_outside): Use find_interesting_uses_op.
6017 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6020 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6022 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6023 Ulrich Weigand <uweigand@de.ibm.com>
6026 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6027 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6028 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6029 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6031 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6032 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6033 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6034 Define secondary reloads for TFmode moves.
6035 (constant_modes): Add TFmode.
6036 (NR_C_MODES): Set to 8.
6037 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6039 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6040 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6041 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6042 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6043 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6044 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6045 (FPR mode macro): Add TFmode.
6046 (DSF mode macro): New.
6047 (<de>, <dee> mode attributes): Removed.
6048 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6049 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6050 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6051 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6052 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6053 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6054 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6055 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6056 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6057 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6058 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6059 "*negabs<mode>2", "sqrt<mode>2"):
6060 Changed <de> to <xde>. R constraint replaced by <Rf>.
6061 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6063 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6064 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6065 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6067 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6068 "extenddftf2", "extendsftf2"): New expanders.
6069 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6070 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6071 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6072 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6074 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6075 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6076 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6077 __floatditf): Add a GCC_4.1.0 symbol version tag.
6078 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6081 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6084 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6085 Use targetm.binds_local_p instead of TREE_PUBLIC.
6087 2006-02-02 Roger Sayle <roger@eyesopen.com>
6089 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6090 on INTEGER_TYPEs to indicate that it denotes a character type.
6091 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6092 signed_char_type_node, unsigned_char_type_node and char_type_node.
6093 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6094 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6095 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6097 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6098 Daniel Berlin <dberlin@dberlin.org>
6100 * tree-tailcall.c (arg_needs_copy_p): New function.
6101 (eliminate_tail_call): Use arg_needs_copy_p.
6102 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6103 (add_virtual_phis): New function.
6105 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6107 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6108 #ignore instead of #scratch for %g7 .register directive.
6110 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6112 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6115 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6117 * flow.c (calculate_global_regs_live): Assert that there aren't any
6120 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6122 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6124 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6125 bsi_after_labels iterator.
6126 * tree-if-conv.c (find_phi_replacement_condition,
6127 replace_phi_with_cond_modify_expr): Likewise.
6128 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6129 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6131 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6133 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6135 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6138 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6139 array after growing it.
6141 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6144 * fold-const.c (fold_checksum_tree): Change type of buf.
6146 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6148 * reload.c (push_secondary_reload): Initialize t_icode.
6150 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6152 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6153 -msoft-float -mlong-double-128 only issue a warning, but don't
6154 swich to DFmode long double.
6156 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6158 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6159 has a constant equivalent, iterate over equivalents for arg0,
6160 calling simplify_relational_operation and if there's a result
6161 cheaper than X, apply fold_rtx and return the result.
6163 2006-02-01 Jan Hubicka <jh@suse.cz>
6165 * opts.c (no_unit_at_a_time_default): New global variable.
6166 (decode_options): Use it.
6167 * opts.h (no_unit_at_a_time_default): Declare.
6169 2006-02-01 Paul Brook <paul@codesourcery.com>
6171 * function.c (assign_parm_setup_reg): Use function argument promotion
6173 * expr.c (expand_expr_real_1): Use function argument promotion rules
6176 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6178 * gcc.c (process_command): Change j to 'unsigned int'.
6180 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6183 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6184 Use the corrected index for the character
6185 out of the string constant.
6187 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6189 * mode-switching.c (optimize_mode_switching): Fix size
6190 allocated for bb_info[n_entities].
6192 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6194 * gcc.c (main): Correct type that is allocated for
6195 explicit_link_files.
6197 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6199 * config/s390/s390.c (init_alignment_context): Set
6200 ALIAS_SET_MEMORY_BARRIER on the MEM.
6201 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6203 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6206 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6208 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6211 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6213 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6214 * regrename.c: Ditto.
6215 * tree-ssa-loop-im.c: Ditto.
6216 * tree-dump.c: Ditto.
6217 * tree-complex.c: Ditto.
6218 * genrecog.c: Ditto.
6219 * tree-ssa-threadupdate.c: Ditto.
6221 * java/class.c: Ditto.
6222 * java/jcf-parse.c: Ditto.
6223 * java/resource.c: Ditto.
6224 * java/except.c: Ditto.
6225 * java/jvspec.c: Ditto.
6226 * java/jcf-write.c: Ditto.
6227 * java/jcf-path.c: Ditto.
6228 * java/gjavah.c: Ditto.
6229 * java/zextract.c: Ditto.
6230 * java/jcf-io.c: Ditto.
6231 * java/jcf.h: Ditto.
6232 * java/buffer.c: Ditto.
6233 * java/lang.c: Ditto.
6234 * java/parse-scan.y: Ditto.
6235 * java/lex.c: Ditto.
6236 * java/lex.h: Ditto.
6237 * cfgloopmanip.c: Ditto.
6238 * postreload-gcse.c: Ditto.
6239 * tree-ssa-loop-manip.c: Ditto.
6240 * postreload.c: Ditto.
6241 * tree-ssa-loop-ch.c: Ditto.
6245 * diagnostic.c: Ditto.
6247 * genoutput.c: Ditto.
6249 * cfghooks.c: Ditto.
6250 * cfgloopanal.c: Ditto.
6251 * objc/objc-act.c: Ditto.
6253 * genextract.c: Ditto.
6254 * genautomata.c: Ditto.
6255 * pretty-print.c: Ditto.
6257 * cgraphunit.c: Ditto.
6260 * haifa-sched.c: Ditto.
6261 * dominance.c: Ditto.
6263 * tree-ssa-loop-ivopts.c: Ditto.
6265 * mode-switching.c: Ditto.
6266 * modulo-sched.c: Ditto.
6268 * ipa-pure-const.c: Ditto.
6270 * fix-header.c: Ditto.
6272 * tree-stdarg.c: Ditto.
6273 * ipa-utils.c: Ditto.
6274 * loop-init.c: Ditto.
6275 * ipa-inline.c: Ditto.
6278 * alloc-pool.c: Ditto.
6279 * dwarf2out.c: Ditto.
6281 * genattrtab.c: Ditto.
6282 * tree-ssa-loop-ivcanon.c: Ditto.
6286 * fortran/gfortranspec.c: Ditto.
6288 * local-alloc.c: Ditto.
6289 * langhooks.c: Ditto.
6290 * function.c: Ditto.
6291 * tree-vectorizer.c: Ditto.
6293 * ipa-type-escape.c: Ditto.
6295 * tree-if-conv.c: Ditto.
6298 * tree-data-ref.c: Ditto.
6299 * loop-unroll.c: Ditto.
6300 * treelang/treetree.c: Ditto.
6303 * ggc-common.c: Ditto.
6305 * coverage.c: Ditto.
6307 * tree-cfgcleanup.c: Ditto.
6308 * tree-ssa-pre.c: Ditto.
6309 * cfgcleanup.c: Ditto.
6310 * loop-invariant.c: Ditto.
6312 * ipa-prop.c: Ditto.
6313 * print-tree.c: Ditto.
6314 * conflict.c: Ditto.
6315 * ggc-page.c: Ditto.
6316 * sched-deps.c: Ditto.
6317 * regclass.c: Ditto.
6318 * tree-object-size.c: Ditto.
6320 * bb-reorder.c: Ditto.
6321 * resource.c: Ditto.
6322 * var-tracking.c: Ditto.
6324 * df-problems.c: Ditto.
6325 * reg-stack.c: Ditto.
6328 * sched-rgn.c: Ditto.
6329 * tree-ssa-structalias.c: Ditto.
6330 * tree-ssa-reassoc.c: Ditto.
6331 * config/darwin-c.c: Ditto.
6332 * config/darwin.c: Ditto.
6333 * config/arm/arm.c: Ditto.
6335 * collect2.c: Ditto.
6338 2006-01-31 Nicolas Pitre <nico@cam.org>
6340 * arm.md (smaxsi3): Make aware of smax_m1.
6343 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6345 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6347 2006-01-31 Richard Guenther <rguenther@suse.de>
6349 * doc/invoke.texi (-msselibm): Document.
6350 * target.h (expand_library_builtin): New target hook.
6351 * builtins.c (expand_builtin): Use expand_library_builtin.
6352 (default_expand_library_builtin): New function.
6353 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6354 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6355 (link_gcc_math_spec): Declare.
6356 (static_specs): Add link_gcc_math_spec.
6357 * expr.h (default_expand_library_builtin): Declare.
6358 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6359 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6360 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6361 * config/i386/i386.opt (msselibm): New target option.
6362 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6363 (ix86_init_sse_abi_builtins): New function.
6364 (ix86_expand_library_builtin): Likewise.
6365 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6366 (override_options): Handle error conditions wrt -msselibm.
6367 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6368 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6369 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6372 2006-01-31 Richard Guenther <rguenther@suse.de>
6373 Paolo Bonzini <bonzini@gnu.org>
6375 * doc/install.texi (--disable-libgcc-math): Document.
6377 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6379 * expr.h (expand_normal): new inline function.
6380 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6382 * dwarf2out.c: use it.
6387 * config/sparc/sparc.c: use it.
6388 * config/i386/i386.c: use it.
6389 * config/rs6000/rs6000.c: use it.
6390 * config/arm/arm.c: use it.
6391 * config/mips/mips.c: use it.
6392 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6394 2006-01-30 Roger Sayle <roger@eyesopen.com>
6396 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6397 argv to the appropriate type.
6399 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6401 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6404 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6407 * config/s390/s390.c (struct machine_function): New flag
6408 decomposed_literal_pool_addresses_ok_p.
6409 (s390_reorg): Set it before final stage of literal pool transforms.
6410 (s390_decompose_address): Only accept displacements of the form
6411 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6413 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6415 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6416 the comparison routine return.
6418 2006-01-30 Michael Matz <matz@suse.de>
6420 * global.c (find_reg): Only evict for global regs.
6421 Take n_refs into account and dump more info.
6423 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6426 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6427 (pragma_trap, pragma_nosave_low_regs): Likewise.
6428 (current_function_anonymous_args): Likewise.
6429 (sh_deferred_function_attributes): New variable.
6430 (sh_deferred_function_attributes_tail): Likewise.
6431 (print_operand): For '@', look up trap_exit attribute.
6432 (calc_live_regs): Look up trapa_handler attribute. For trapa
6433 handlers, save/restore fpscr, but don't do any other
6434 interrupt-specific saves.
6435 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6436 Fix check for partially saved registers to check for SHmedia.
6437 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6438 (sh_output_function_epilogue): Don't clear any of the removed
6440 (sh_insert_attributes): Don't check pragma_interrupt.
6441 Insert deferred attributes. Check that interrupt attribute is
6442 present for other attributes that require its presence.
6443 (sh_attribute_table): Add new attributes trapa_handler and
6445 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6446 Don't check for pragma_interrupt. Don't store argument.
6447 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6448 (sh_deferred_function_attributes): Declare.
6449 (sh_deferred_function_attributes_tail): Likewise.
6450 * sh.md (sp_switch_1): Add operand. Change generator caller.
6451 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6452 (*return_i): Don't use when trap_exit attribute is in effect.
6453 (*return_trapa): New insn pattern.
6455 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6456 setting c_target_objs and cxx_target_objs.
6457 * t-sh: Add rule for sh-c.o.
6459 2006-01-30 Richard Guenther <rguenther@suse.de>
6462 * gimplify.c (gimplify_target_expr): Handle easy cases
6463 without creating a temporary.
6465 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6467 * vec.h (safe_grow): Remove duplicated line.
6469 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6472 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6473 (expand_omp): ... here.
6474 (expand_omp_parallel): Only remove barriers for combined
6475 parallel+workshare constructs.
6477 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6481 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6482 * tree.c (build_qualified_type): Chain the new type to the original
6483 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6484 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6485 (build_pointer_type_for_mode): Only return unqualified types.
6486 (build_reference_type_for_mode): Likewise.
6488 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6490 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6491 * Makefile.in (CXX_COMPAT_WARN): Define.
6492 * configure: Regenerate.
6494 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6497 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6500 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6502 * toplev.c: Fix thinko.
6504 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6505 Marcin Dalecki <martin@dalecki.de>
6507 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6508 (push_srcloc): Use XNEW.
6509 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6511 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6513 * df-core.c (df_set_blocks): Deleted all variable.
6515 2006-01-28 Ian Lance Taylor <ian@airs.com>
6517 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6518 cgraph_output_pending_asms.
6520 2006-01-28 Zack Weinberg <zackw@panix.com>
6522 * c.opt: Add -W(no-)overlength-strings.
6523 * doc/invoke.texi: Document it.
6524 * c-opts.c (c_common_handle_option): -pedantic implies
6525 -Woverlength-strings, if not explicitly disabled already.
6526 (c_common_post_options): -Woverlength-strings defaults to off, and
6527 is always off for C++.
6528 * c-common.c (fix_string_type): Issue warning about strings longer
6529 than is portable only if warn_overlength_strings. Rearrange code
6530 a little for clarity.
6531 * configure.in: Check for -Wno-overlength-strings as well before
6532 enabling -pedantic in stage 1.
6533 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6534 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6536 * genconditions.c (write_header, write_one_condition)
6537 (write_conditions, write_writer): Consolidate very long strings
6538 that were broken up to fit in C89 portable limit. Don't use
6539 printf when fputs will do.
6541 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6543 * combine.c (simplify_comparison <AND>): Check
6544 TRULY_NOOP_TRUNCATION before start using a subreg.
6546 * config/mips/mips.md (*branch_zero<mode>,
6547 *branch_zero<mode>_inverted, *branch_equality<mode>,
6548 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6549 Remove mode check from comparisons.
6551 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6553 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6555 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6557 * expmed.c (const_mult_add_overflow_p): Remove.
6558 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6560 * recog.c (validate_replace_rtx_subexp): Remove.
6561 * recog.h: Remove the prototype for
6562 validate_replace_rtx_subexp.
6564 * integrate.h: Remove the prototype for
6565 copy_decl_for_inlining.
6566 * rtl.h: Remove the prototype for mark_constant_function.
6567 * tree-vectorizer.h: Remove the prototype for
6568 vect_strip_conversion.
6570 * modulo-sched.c (create_partial_schedule,
6571 free_partial_schedule, reset_partial_schedule): Make them
6574 * hooks.c (hook_bool_rtx_int_false): Remove.
6575 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6577 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6579 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6580 and -mlong-double-128 are incompatible.
6581 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6582 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6583 (TARGET_LIBGCC2_CFLAGS): Define.
6584 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6585 (TARGET_LIBGCC2_CFLAGS): Same.
6586 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6588 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6591 * c-typeck.c (build_binary_op): Perform implicit casts of
6592 operands before shortening them.
6594 * cfgloopmanip.c (split_loop_bb): Remove.
6595 * cfgloop.h: Remove the prototype for split_loop_bb.
6597 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6598 * cfgloop.h: Remove the prototype for
6599 flow_loop_outside_edge_p.
6601 * emit-rtl.c (init_virtual_regs): Make it static.
6602 * function.h: Remove the prototype for init_virtual_regs.
6604 * recog.c (peephole2_optimize): Make it static.
6605 * recog.h: Remove the prototype for peephole2_optimize.
6607 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6609 * df-scan.c (df_record_entry_block_defs): Check if
6610 INCOMING_RETURN_ADDR_RTX is defined.
6612 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6613 Kenneth Zadeck <zadeck@naturalbridge.com>
6615 PR rtl-optimization/24762
6616 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6617 * targhooks.c (hook_void_bitmap): New hook prototype.
6618 * targhoohs.h (hook_void_bitmap): Ditto.
6619 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6620 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6621 * target.h (live_on_entry): New function pointer.
6622 * df-scan.c (df_all_hard_regs): Removed.
6623 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6624 (df_scan_free_internal): Added df->entry_block_defs.
6625 (df_scan_alloc): Ditto.
6626 (df_scan_dump): Ditto.
6627 (df_uses_record): Plumbed flag field properly thru calls.
6628 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6629 This part fixes PR24762.
6630 (df_bb_refs_record): Added code to make the frame and arg
6631 pointers live in EH blocks.
6632 (df_refs_record): Added call to df_record_entry_block_defs.
6633 (df_record_entry_block_defs): New function.
6634 * df-core.c: Added comments to describe new artifical defs.
6635 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6636 (entry_block_defs): New field in struct df.
6637 (df_all_hard_regs): Deleted.
6638 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6639 * df-problems.c (df_ru_bb_local_compute_process_def):
6640 Added code to handle artifical defs in the entry to a function.
6641 (df_ru_bb_local_compute): Ditto.
6642 (df_rd_bb_local_compute_process_def): Ditto.
6643 (df_rd_bb_local_compute): Ditto.
6644 (df_lr_bb_local_compute): Ditto.
6645 (df_ur_bb_local_compute): Ditto.
6646 (df_urec_bb_local_compute): Ditto.
6647 (df_chain_create_bb): Ditto.
6648 (df_ur_local_finalize): Removed entry.
6649 (df_urec_init): Ditto.
6650 (df_urec_local_finalize): Ditto.
6651 (df_ri_bb_compute): Added detection of last use of pseudos.
6652 * Makefile.in (df-scan.o): Updated dependencies.
6653 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6654 * config/mips/mips.c (mips_set_live_on_entry): Added.
6655 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6657 * dce.c (marked_insn_p): Added code to handle artifical defs.
6659 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6661 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6663 (_mm_cvtsi128_si64): Likewise.
6664 (_mm_cvtsd_si64): Likewise.
6665 (_mm_cvttsd_si64): Likewise.
6666 (_mm_cvtsi64_sd): Likewise.
6667 (_mm_cvtsi64_si128): Likewise.
6668 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6669 (_mm_cvtsi64_m64): Likewise.
6670 (_m_to_int64): Likewise.
6671 (_mm_cvtm64_si64): Likewise.
6672 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6673 (_mm_cvttss_si64): Likewise.
6674 (_mm_cvtsi64_ss): Likewise.
6675 (_mm_cvtss_f32): Likewise.
6677 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6679 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6680 for pragma redefine_extname.
6682 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6685 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6686 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6687 -mno-minimal-toc to previous content.
6688 (bispecs): Remove goal.
6689 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6690 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6691 compatibility aliases on powerpc-*-*gnu*.
6692 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6693 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6694 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6695 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6696 (ldblspecs): New goal.
6697 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6698 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6700 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6701 L_sf_to_tf or L_df_to_tf is defined.
6703 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6704 Alan Modra <amodra@bigpond.net.au>
6707 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6708 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6709 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6710 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6711 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6712 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6713 (rs6000_override_options): Initialize rs6000_ieeequad.
6714 Initialize TFmode format to ibm_extended_format if not
6716 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6718 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6719 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6720 (function_arg_advance): IBM long double passed in two FPRs, not
6722 (function_arg): IBM long double passed in FPRs.
6723 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6724 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6725 Only multireg GPR aligned.
6726 (rs6000_init_libfuncs): Enable IBM long double functions if not
6728 (rs6000_generate_compare): Use IBM long double compare if not
6730 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6731 (TARGET_IEEEQUAD): Define.
6732 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6733 not TARGET_IEEEQUAD.
6734 * config/rs6000/rs6000.md: Enable TFmode patterns if
6736 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6737 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6738 and -mlong-double-128 are incompatible.
6739 * doc/invoke.texi (-mabi): Collect options together. Add
6740 ibmlongdouble and ieeelongdouble.
6742 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6744 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6746 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6747 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6748 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6749 * rtl.h (rtunion_def): Remove rt_ptr.
6751 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6752 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6753 * config/i386/winnt.c (i386_pe_mark_dllexport)
6754 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6756 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6758 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6760 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6764 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6765 pthread_key_delete. From John David Anglin. gthrw-ify
6766 pthread_getunique_np only if it it's not a macro. Delete
6768 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6769 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6770 __gthread_objc_condition_signal, __gthread_key_delete): Add
6771 "__attribute__ ((__unused__))" to unused arguments.
6772 (__gthread_recursive_mutex_init_function): Add missing return.
6773 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6774 gthr-posix95.h: Use macro-based approach for name redirection
6775 on targets missing weakref.
6777 2006-01-26 Zack Weinberg <zackw@panix.com>
6779 * genconditions.c (write_header): In generated code, #ifdef out
6780 all includes and fake declarations, except includes of bconfig.h
6781 and system.h, unless GCC_VERSION >= 3001. Do not include
6782 gensupport.h in any case.
6783 (write_conditions): Generate a definition of struct c_test. Add
6784 a comment to the generated #endif.
6785 (write_one_condition): Escape backslashes in string too.
6786 (write_writer): Generated code must escape backslashes and quote
6787 marks (but not newlines) in the strings it writes.
6788 * Makefile.in (build/gencondmd.o): Update dependencies.
6790 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6793 * Makefile.in (insn-automata.o): Add header file dependencies.
6794 * genautomata.c: Add includes.
6796 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6799 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6801 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6803 * configure.ac: Expect target tools paths to be passed from the toplevel
6804 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6806 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6808 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6811 * c.opt (Wpointer-sign): Init to -1.
6812 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6813 OPT_pedantic, to 0 otherwise.
6814 * doc/invoke.texi: Update.
6816 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6818 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6819 constants provided by 80387 instructions in the destination mode.
6821 2006-01-26 Richard Guenther <rguenther@suse.de>
6822 Andrew Pinski <pinskia@physics.uc.edu>
6825 partial PR tree-opt/17064
6826 * tree-ssa-structalias.c (intra_create_variable_infos):
6827 Create heap variables for incoming parameters if
6828 flag_argument_noalias > 1.
6829 (find_what_p_points_to): Look through default defs of
6832 2006-01-26 Jeff Law <law@redhat.com>
6835 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6836 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6837 within the VR_RANGE, use the VR_RANGE as the result, not the
6839 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6840 bounds for the type.
6842 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6844 * tree-ssa-alias.c (maybe_create_global_var): Change
6845 subvar walking to an assertion that we don't have subvar'd variables.
6847 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6850 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6851 Use a new variable, inner. PARM_DECLs are always non-weak.
6853 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6855 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6858 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6860 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6862 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6864 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6865 (smax_insn, smin_insn, smax_0, smin_0): New.
6867 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6870 * config/cris/cris.c (cris_order_for_addsi3): New function.
6871 * config/cris/cris-protos.h: Prototype it.
6872 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6873 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6874 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6875 (split for "op.S1 [rx=rx+i],ry (swapped)")
6876 (split for "op(s|u).S1 [rx=rx+i],ry")
6877 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6878 Apply cris_order_for_addsi3 when generating addsi3 insns.
6880 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6882 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6883 (TREE_BLOCK): Add call to EXPR_CHECK.
6885 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6888 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6889 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6890 (dump_omp_clauses): ... here.
6891 (dump_generic_node): Handle OMP_CLAUSE.
6892 * tree.c (omp_clause_num_ops): New.
6893 (omp_clause_code_name): New.
6894 (tree_code_size): Handle OMP_CLAUSE.
6895 (tree_size): Likewise.
6896 (make_node): Document handling of OMP_CLAUSE.
6897 (tree_node_structure): Handle OMP_CLAUSE.
6898 (omp_clause_check_failed): New.
6899 (omp_clause_range_check_failed): New.
6900 (omp_clause_operand_check_failed): New.
6901 (build_omp_clause): New.
6902 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6903 * tree.h (enum omp_clause_code): Declare.
6904 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6905 (OMP_CLAUSE_RANGE_CHECK): Define.
6906 (OMP_CLAUSE_ELT_CHECK): Define.
6907 (omp_clause_check_failed): Declare.
6908 (omp_clause_operand_check_failed): Declare.
6909 (omp_clause_range_check_failed): Declare.
6910 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6911 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6912 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6913 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6914 (OMP_CLAUSE_IF_EXPR): Likewise.
6915 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6916 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6917 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6918 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6919 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6920 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6921 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6922 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6923 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6924 (OMP_CLAUSE_CODE): Define.
6925 (OMP_CLAUSE_SET_CODE): Define.
6926 (OMP_CLAUSE_CODE): Define.
6927 (OMP_CLAUSE_OPERAND): Define.
6928 (struct tree_omp_clause): Declare.
6929 (union tree_node): Add field 'omp_clause'.
6930 * treestruct.def (TS_OMP_CLAUSE): Define.
6931 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6932 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6933 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6934 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6935 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6936 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6937 (OMP_CLAUSE): Define.
6938 * print-tree.c (print_node): Handle OMP_CLAUSE.
6939 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6940 * c-typeck.c: Likewise.
6941 * gimplify.c: Likewise.
6942 * c-omp.c: Likewise.
6943 * tree-nested.c: Likewise.
6944 * tree-inline.c: Likewise.
6945 * c-parser.c: Likewise.
6946 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6949 2006-01-25 Roger Sayle <roger@eyesopen.com>
6951 PR rtl-optimization/25703
6952 * combine.c (try_combine): Handle zero_extract and strict_low_part
6953 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6955 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6957 * global.c: Fix comment typos.
6959 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6962 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6963 Use output_addr_const instead of assemble_name.
6965 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6967 * Makefile.in (sched-vis.o): Update dependencies.
6968 * haifa-sched.c (sched_finish): Clear current_sched_info.
6969 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6970 (dump_flow_info): Call it.
6971 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6973 * basic-block.h (dump_bb_info): Declare.
6974 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6975 option, and apply options only for dump files whose TDF_RTL,
6976 TDF_TREE, or TDF_IPA bits match.
6977 * rtl.h: Declare new functions exported from sched-vis.c.
6978 * sched-vis.c: Enable also if scheduling is not used.
6979 (print_value): Print the mode of registers if not inside scheduling.
6980 (print_insn): Make it work outside the scheduler. Beautify the output
6982 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6984 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6986 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6987 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6988 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6989 depending on the value of CONSTANT_POOL_ADDRESS_P.
6990 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6992 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6993 rather than SYMBOL_REF_DECL.
6994 (rtx_constant_pool): Remove const_rtx_sym_htab.
6995 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6996 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6997 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6998 Remove handling of const_rtx_sym_htab.
6999 (find_pool_constant): Delete.
7000 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7001 rather than find_pool_constant.
7002 (get_pool_constant_for_function): Delete.
7003 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7005 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7006 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7007 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7008 (SYMBOL_REF_CONSTANT): New macro.
7009 (get_pool_constant_for_function): Delete.
7010 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7011 rather than SYMBOL_REF_DECL.
7012 (i386_pe_mark_dllimport): Likewise.
7013 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7014 rather than SYMBOL_REF_DECL.
7015 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7016 (machopic_indirect_call_target): Likewise.
7018 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7020 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7022 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7024 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7026 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7028 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7030 2006-01-24 David Daney <ddaney@avtrex.com>
7033 * configure.ac (enable_tls): New enable option.
7034 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7035 * configure: Regenerate.
7036 * doc/install.texi (--enable-tls): Document new option.
7037 (--disable-tls): Ditto.
7039 2006-01-24 Richard Henderson <rth@redehat.com>
7041 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7042 * alias.c (true_dependence): Respect it.
7043 (canon_true_dependence, write_dependence_p): Likewise.
7044 * builtins.c (get_builtin_sync_mem): Set it.
7046 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7048 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7051 2006-01-24 DJ Delorie <dj@redhat.com>
7053 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7054 for storing constants in single-bit bitfields.
7056 2006-01-25 Ben Elliston <bje@au.ibm.com>
7058 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7060 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7063 * tree-ssa-pre.c (phi_translate): Return NULL
7064 for AGGREGATE_TYPE's.
7066 2006-01-24 Zack Weinberg <zackw@panix.com>
7068 * genautomata.c (process_state_for_insn_equiv_partition):
7069 Use xcalloc for insn_arcs_array.
7070 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7071 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7073 2006-01-24 Richard Henderson <rth@redhat.com>
7075 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7078 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7080 PR rtl-optimization/25890
7081 PR rtl-optimization/25905
7082 * combine.c (expand_compound_operation, expand_field_assignment):
7083 Fail if the bitfield's final position is out of bounds.
7085 2006-01-24 Ian Lance Taylor <ian@airs.com>
7088 * cgraphunit.c (cgraph_output_in_order): Don't clear
7089 cgraph_asm_nodes until after asm strings have been output.
7091 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7093 * fix-header.c (read_scan_file): Add new parameter imultilib when
7094 calling register_include_chains.
7096 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7098 * omp-low.c: Update documentation.
7100 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7101 Daniel Berlin <dberlin@dberlin.org>
7105 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7106 return from the function.
7108 2006-01-22 Zack Weinberg <zackw@panix.com>
7110 * rtl.def (match_code): Add second argument.
7111 * genpreds.c (write_extract_subexp): New function.
7112 (write_match_code): Add path argument. Use write_extract_subexp.
7113 (write_predicate_expr): Pass path to write_match_code.
7114 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7115 not perform a mode test.
7116 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7117 a subexpression does not constrain the top-level code set.
7118 * read-rtl.c (read_rtx_variadic): New function.
7119 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7120 * doc/md.texi: Document new notation.
7121 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7122 (cmpsi_operand): ... here, using new notation.
7124 2006-01-22 Zack Weinberg <zackw@panix.com>
7126 * varray.c: Remove GENERATOR_FILE #ifdefs.
7128 2006-01-22 Zack Weinberg <zackw@panix.com>
7130 * genautomata.c (output_reserved_units_table): Emit nothing if
7131 description->query_units_num is zero. Remove extra blank line.
7132 (output_cpu_unit_reservation_p): Short circuit
7133 if description->query_units_num is zero.
7135 2006-01-22 Zack Weinberg <zackw@panix.com>
7137 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7138 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7139 nor any of the random handful of variables that used to be necessary
7140 when this program was linked with rtlanal.o. Prune set of forward
7141 function declarations.
7142 (struct attr_desc): Remove static_p field.
7143 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7144 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7145 (attr_string): Do not read the character one past the length of
7147 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7148 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7149 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7150 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7151 (make_automaton_attrs): New.
7152 (main): Do not call into genautomata. Call local gen_bypass
7153 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7154 Remove special case for insn_alts.
7155 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7156 varray.h (leftover from previous change). Prune set of forward
7157 function declarations. Remove state_alts fields from all
7158 structures. Remove state_alts_table from struct automaton.
7159 Make everything except main static. Do not maintain num_dfa_decls.
7160 Do not maintain state_alts fields of various structures.
7161 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7162 (add_arc): Remove state_alts argument. All callers updated.
7163 (output_reserved_units_table): Emit #ifdef here...
7164 (output_tables): ...not here. Don't generate state_alts tables.
7165 (expand_automata): Don't generate attributes.
7166 (write_automata): Don't generate state_alts functions.
7167 (main): New function.
7168 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7169 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7170 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7171 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7172 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7173 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7174 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7175 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7177 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7178 * genattrtab.h: Delete file.
7179 * Makefile.in (OBJS-common): Add insn-automata.o.
7180 (insn-automata.o): New rule.
7181 (simple_generated_c): Add insn-automata.c.
7182 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7183 (genprogmd): Add automata.
7184 (build/genattrtab): Needs no extra objects nor libraries.
7185 (build/genautomata): Needs build/vec.o and -lm.
7187 2006-01-22 Zack Weinberg <zackw@panix.com>
7189 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7190 (output_dfa_max_issue_rate, locked_states_num): Delete.
7191 (struct automaton): Add locked_states field.
7192 (output_dead_lock_vect): Save number of locked states in
7193 automaton->locked_states. If it is zero, don't print anything.
7194 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7195 (output_internal_dead_lock_func): Only test the dead_lock_vect
7196 for automata that have locked states.
7197 (output_statistics): Always print the number of locked states for
7198 each automaton. Calculate total number of locked states here.
7199 (write_automata): Don't call output_dfa_max_issue_rate.
7200 * genattrtab.c: Define length_unit_log as a const variable.
7201 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7202 max_insn_queue_index const.
7203 * final.c (length_unit_log): Declare const.
7204 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7206 2006-01-22 Zack Weinberg <zackw@panix.com>
7208 * genautomata.c: Include vec.h, not varray.h.
7209 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7210 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7211 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7212 VEC_* macros operating on appropriately typed vectors, or to
7213 malloced arrays when the size is known in advance. Const-ify
7214 many char* variables and function arguments. No functional changes.
7215 * Makefile.in (build/varray.o): Delete rule.
7216 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7217 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7219 2006-01-22 Zack Weinberg <zackw@panix.com>
7221 * gensupport.c: Define get_insn_name and record_insn_name here.
7222 (read_md_rtx): Call record_insn_name as appropriate.
7223 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7224 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7225 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7227 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7228 (BUILD_VARRAY): Delete.
7229 (genprognormal): Rename genprogmd. Fold in all programs from
7230 genprognoprint; also attrtab.
7231 (build/genattrtab): Just mention genautomata.o and varray.o.
7232 Reorganize a bit, add comments to make the categories clearer.
7234 2006-01-22 Zack Weinberg <zackw@panix.com>
7236 * genconditions.c (condition_table, add_condition): Delete.
7237 (write_conditions): Don't emit n_insn_conditions nor
7238 insn_elision_unavailable. Issue the gcc version #ifdef here,
7239 inside the table, with no #else clause ...
7240 (write_header): ...not here.
7241 (write_writer): New function.
7242 (main): Don't initialize condition_table. Use add_c_test.
7244 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7245 files on the command line.
7246 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7247 Return -1 if there is no entry in the table, don't abort.
7248 (add_c_test, traverse_c_tests): New functions.
7249 * gensupport.h (insn_elision_unavailable, insn_conditions)
7250 (n_insn_conditions): Delete declarations.
7251 (add_c_test, traverse_c_tests): Declare.
7252 * read-rtl.c: Include gensupport.h.
7253 (read_conditions): New function.
7254 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7255 (read_rtx_1): If we get EOF when we were looking for an initial
7256 open paren, return 0. Call read_conditions when appropriate.
7257 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7258 dummy-conditions.o. Eliminate references to insn-conditions.o,
7259 or change them to build/gencondmd.o, as appropriate. Remove
7260 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7261 from $(simple_generated_c). For all files remaining in those
7262 two lists, add insn-conditions.md to the generator command line.
7263 Give insn-constants.h/s-constants their own rules. Add rules
7264 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7265 (build/read-rtl.o): Depend on gensupport.h.
7266 (genprognormal): Include preds.
7267 (genprogearly): Rename genprognoprint; only difference is now that
7268 they don't link with $(BUILD_PRINT).
7269 * dummy-conditions.c: Delete.
7271 2006-01-22 Zack Weinberg <zackw@panix.com>
7273 * genextract.c: Don't include insn-config.h. Do include vec.h.
7274 Declare vectors of int, char, and locstr.
7275 (locstr): New typedef.
7276 (struct extraction): Make all array fields into bare pointers.
7277 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7278 (insn_code_number): Delete.
7279 (accum_extract): New struct.
7280 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7281 (gen_insn): Take insn_code_number as an argument. Use an
7282 accum_extract structure instead of loading data directly into
7283 a struct extraction, and having to know how big it might get.
7284 (walk_rtx): Operate entirely on an accum_extract structure.
7285 (print_path): Avoid unnecessary use of printf.
7286 (print_header): New function, split out of main. Distinguish
7287 more carefully between an unrecognizable insn and an insn that
7288 has the code number of a define_expand.
7289 (main): Pass insn_code_number to gen_insn. Call print_header
7290 only after parsing. Avoid unnecessary use of printf.
7291 * Makefile.in (build/vec.o): New rule.
7292 (build/genextract): Depend on build/vec.o.
7293 (build/genextract.o): Don't depend on insn-config.h.
7295 2006-01-22 Zack Weinberg <zackw@panix.com>
7297 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7298 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7299 practical. Eliminate per-generator-program link rules.
7301 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7304 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7305 with a call expr to ...
7306 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7308 2006-01-23 Richard Guenther <rguenther@suse.de>
7310 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7311 before make_edge with conditional EDGE_TRUE_VALUE.
7313 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7314 Jan Hubicka <jh@suse.cz>
7315 Richard Guenther <rguenther@suse.de>
7317 PR rtl-optimization/25654
7318 * cfgexpand.c (aggregate_contains_union_type): New function.
7319 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7320 for structure variables that contain a union type.
7322 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7324 * gengtype.c (new_structure): Return the structure.
7325 (create_option): Add an extra "next" argument.
7326 (create_field): New function.
7327 (adjust_field_rtx_def): Use create_option and create_field.
7328 Remove a now-unnecessary call to find_structure.
7329 (adjust_field_tree_def): Likewise.
7330 (note_yacc_type): Remove an unnecessary call to find_structure.
7331 * gengtype.h (new_structure): Return the structure.
7332 (create_option): Add an extra argument.
7333 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7334 (option): Adjust calls to create_option.
7336 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7338 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7340 2006-01-22 Paul Brook <paul@codesourcery.com>
7341 Peter Barada <peter@the-baradas.com>
7343 * config/m68k/m68k.md: Add Coldfire FPU support.
7344 Define FP mode macro and associated attributes.
7345 Use it for float mode patterns.
7346 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7347 (LIBCALL_VALUE): Use m68k_libcall_value.
7348 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7349 (m68k_function_value): Ditto.
7350 (emit_move_sequence): Ditto.
7351 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7352 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7353 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7354 (MULTILIB_EXCEPTIONS): Ditto.
7355 * config/m68k/m68k.opt: Add mcfv4e.
7356 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7357 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7358 (m68k_output_function_prologue): Save ColdFire FPU registers.
7359 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7360 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7361 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7362 ColdFire FPU registers.
7363 (m68k_libcall_value, m68k_function_value): New functions.
7364 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7365 (LIBCALL_VALUE): Use m68k_libcall_value.
7366 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7367 (MASK_COLDFIRE): Add MASK_CFV4E.
7368 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7369 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7370 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7371 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7372 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7373 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7374 * doc/invoke.tex: Document -mcfv4e on m68k.
7376 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7378 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7381 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7384 * c-opts.c (c_common_handle_option): Don't include
7385 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7386 * doc/invoke.texi (C++ Dialect Options): Document that
7387 -Wnon-virtual-dtor is no longer included in -Wall.
7389 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7391 * gcov.c (print_version), gcov-dump.c (print_version),
7392 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7395 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7397 * df-scan.c (problem_SCAN): Added NULL reset function.
7398 (df_scan_reset_blocks): Added code to call reset block function
7399 (df_bb_refs_delete) Fixed comment.
7400 (df_insn_refs_delete): Made tolerant of deleting non existent info
7401 for dataflow problems that need to be reset.
7402 * df-core.c (df_set_blocks): Ditto.
7403 * df.h (struct df_problem): Added reset_fun.
7404 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7405 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7406 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7407 functions to clear out all references to def-use or use-def chains.
7409 2006-01-21 Ben Elliston <bje@au.ibm.com>
7411 * varasm.c (assemble_real): Initialise data array.
7413 2006-01-20 Paul Brook <paul@codesourcery.com>
7415 Merge from csl-arm-branch.
7416 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7417 * config/arm/arm.md (movdi): Force operands[1] to a register
7418 if we have a non-register source.
7419 (*arm_movdi, *movdf_soft_insn): Require that one of the
7420 operands be a register.
7421 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7422 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7424 2006-01-20 DJ Delorie <dj@redhat.com>
7426 * varasm.c (initialize_constant_valid_p): Allow pointers
7427 initialized from integer constants of lesser precision.
7428 (output_constant): Allow non-int-sized pointer modes to be
7429 initialized from integer constants.
7431 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7434 * cppdefault.h (struct default_include): Add multilib flag.
7435 * cppdefault.c (cpp_include_defaults): Set it.
7436 * c.opt (-imultilib): New option.
7437 * c-opts.c (imultilib): New.
7438 (c_common_handle_option): Handle -imultilib.
7439 (c_common_post_options): Likewise.
7440 * c-incpath.c (add_standard_paths, register_include_chains):
7442 * c-incpath.h (register_include_chains): Add extra parameter.
7443 * gcc.c (do_spec_1): Generate -imultilib option.
7444 (The Specs Language): Update %I description.
7445 (process_command): Update copyright notice.
7446 * doc/cppopts.texi (-imultilib): Document.
7447 * doc/invoke.texi (-imultilib): Include in option summary.
7448 (%I): Update specs documentation.
7450 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7452 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7454 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7456 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7459 2006-01-20 Richard Guenther <rguenther@suse.de>
7460 Steven Bosscher <stevenb.gcc@gmail.com>
7462 PR rtl-optimization/24626
7463 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7464 EDGE_TRUE_VALUE if in RTL mode.
7467 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7468 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7470 2006-01-20 Dirk Mueller <dmueller@suse.com>
7473 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7474 instead of a special NOP marker.
7475 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7476 NOP marker handling.
7477 * c-common.h (empty_body_warning): Add forward declaration.
7478 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7479 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7481 2006-01-20 Paul Brook <paul@codesourcery.com>
7483 * Makefile.in (lang_checks): Keep going if mkdir fails.
7485 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7487 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7488 be able to clean out basic block when not necessary.
7489 (df_scan_free): Fixed to properly delete information if df is
7490 unused before calling df_finish.
7491 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7492 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7494 (df_bb_refs_delete): New function.
7495 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7496 * df-core.c (df_set_blocks): Added code to properly clean out
7497 unused blocks if they are not part of the blocks to consider.
7498 Added additional null check.
7499 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7500 be able to clean out basic block when not necessary
7501 * df.h (df_free_bb_function): Ditto.
7502 (df_bb_refs_delete): New function.
7503 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7504 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7505 basic block parameter to be able to clean out basic block when not
7507 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7508 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7509 Fixed to properly delete information if df is unused before
7512 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7514 PR rtl-optimization/25799
7515 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7516 Corrected confluence operator to remove bits from op2 before oring
7517 with op1 rather than removing bits from op1.
7518 (df_ru_transfer_function): Corrected test on wrong bitmap which
7519 caused infinite loop. Both of these problems were introduced in
7520 the dataflow rewrite.
7522 2006-01-19 DJ Delorie <dj@redhat.com>
7524 * reload1.c (find_reload_regs): Note the details of reload
7525 failures in the dump file.
7526 (spill_failure): Likewise.
7528 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7530 * loop-iv.c: Include df.h and hashtab.h.
7531 (enum iv_grd_result): New enum.
7532 (DF_REF_IV, DF_REF_IV_SET): New macros.
7533 (struct biv_entry): New.
7534 (df, bivs): New global variables.
7535 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7536 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7538 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7539 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7540 analyzed_for_bivness_p, record_biv): New functions.
7541 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7542 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7543 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7545 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7547 (iv_number_of_iterations): Use new interface to iv analysis.
7548 * loop-unroll.c: Do not include varray.h.
7549 (analyze_iv_to_split_insn): Use new interface to iv
7551 * loop-unswitch.c (may_unswitch_on): Ditto.
7552 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7554 (df_bb_modify): Realloc tables to the new index.
7555 (df_find_use): New function.
7556 * df.h (df_find_use): Declare.
7557 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7559 * cfgloop.h (struct rtx_iv): Remove analysed field.
7560 (iv_get_reaching_def): Removed.
7561 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7562 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7563 (loop-iv.o): Add df.h and hashtab.h dependency.
7564 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7566 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7569 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7571 (__floatundisf, __floatundidf): Likewise.
7572 * libgcc2.h (IS_IBM_EXTENDED): Define.
7574 2006-01-19 DJ Delorie <dj@redhat.com>
7576 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7578 2006-01-19 Paul Brook <paul@codesourcery.com>
7580 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7581 as nothrow when unwinding tables are disabled.
7583 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7586 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7587 of bit-field" when in system header.
7589 2006-01-19 DJ Delorie <dj@redhat.com>
7591 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7592 the 16 bit shift limit of the m16c.
7594 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7597 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7598 * config/i386/i386.c (output_set_got): Output the label if we have one
7599 for the TARGET_DEEP_BRANCH_PREDICTION case.
7601 2006-01-19 Jan Hubicka <jh@suse.cz>
7602 H.J. Lu <hongjiu.lu@intel.com>
7603 Evandro Menezes <evandro.menezes@amd.com>
7605 * invoke.texi (generic): Document
7607 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7608 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7609 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7610 (x86_use_incdec, x86_pad_returns): New variables
7611 (TARGET_CPU_DEFAULT_generic): New constant
7612 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7613 (enum processor_type): Add generic32 and generic64.
7614 * i386.md (cpu attribute): Add generic32/generic64
7615 (movhi splitter): Behave sanely when both partial_reg_dependency and
7616 partial_reg_stall are set.
7617 (K8 splitters): Enable for generic as well.
7618 * predicates.md (incdec_operand): Use TARGET_INCDEC
7619 (aligned_operand): Avoid memory mismatch stalls.
7620 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7621 * ppro.md: Enable for generic32
7622 * i386.c (generic64_cost, generic32_cost): New.
7623 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7624 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7625 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7626 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7627 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7628 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7629 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7630 x86_accumulate_outgoing_args, x86_prologue_using_move,
7631 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7632 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7634 (x86_use_incdec, x86_pad_returns): New.
7635 (override_options): Add generic32 and generic64, translate "generic"
7636 to generic32/generic64 and "i686" to "generic32", refuse
7637 "generic32"/"generic64" as arch target.
7638 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7639 (ix86_reorg): Honor PAD_RETURNS.
7641 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7643 * tree-pretty-print.c (dump_generic_node): Handle
7644 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7645 * cgraph.c (cgraph_expand_queue): Rename from
7646 cgraph_analyze_queue. Update all users.
7647 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7648 cgraph_expand_queue.
7649 (cgraph_expand_all_functions): Likewise.
7650 (cgraph_finalize_pending_functions): Remove. Update callers.
7652 * tree.h (OMP_DIRECTIVE_P): Define.
7653 (OMP_PARALLEL_FN): Define.
7654 (OMP_PARALLEL_DATA_ARG): Define.
7655 (OMP_SECTIONS_SECTIONS): Define.
7656 * tree-pass.h (pass_expand_omp): Declare.
7657 * omp-low.c (struct omp_region): Declare.
7658 (struct omp_context): Remove fields 'parallel_type',
7659 'parallel_start_ix' and 'parallel_start_additional_args'.
7661 (struct omp_for_data): Rename from struct expand_omp_for_data.
7662 (omp_regions): New static variable.
7663 (root_omp_region): New static variable.
7664 (find_omp_clause): Make static.
7665 (is_in_combined_parallel_ctx): Remove.
7666 (is_combined_parallel): New.
7667 (extract_omp_for_data): Move earlier in the file.
7668 (workshare_safe_to_combine_p): New.
7669 (get_ws_args_for): New.
7670 (determine_parallel_type): Move earlier in the file.
7671 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7673 (omp_copy_decl): Likewise.
7674 (create_omp_child_function): Likewise.
7675 (lookup_omp_region): New.
7676 (dump_omp_region): New.
7677 (debug_omp_region): New.
7678 (debug_all_omp_regions): New.
7679 (new_omp_region): New.
7680 (scan_omp_parallel): If parallel_nesting_level > 1, the
7681 directive is nested within another parallel directive.
7682 Set OMP_PARALLEL_FN.
7683 (scan_omp_for): Do not try to handle combined parallel+for
7685 Remove FIXME comment.
7686 (scan_omp_nested): Remove.
7687 (scan_omp_1): Do not call scan_omp_nested when
7688 parallel_nesting_level is > 1.
7689 Do not change the DECL_CONTEXT of local variables found.
7690 (lookup_decl_in_outer_ctx): New.
7691 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7692 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7693 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7694 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7695 If CTX is nested, lookup VAR in the outer context when
7696 building copy assignment.
7697 (lower_send_clauses): Rename from expand_send_clauses.
7698 If CTX is nested, lookup VAR in the outer context when
7699 building copy assignments.
7700 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7701 If CTX is nested, lookup VAR in the outer context when
7702 building copy assignments.
7703 (expand_parallel_call): Rename from build_parallel_call.
7704 Handle combined parallel+workshare cases.
7705 Re-implement to emit code into the CFG.
7707 (expand_omp_parallel): Re-implement to emit code into the CFG.
7708 Call move_sese_region_to_fn to outline the sub-graph
7709 containing the parallel region.
7710 (expand_omp_for_1): Remove.
7711 (expand_omp_for_generic): Re-implement to emit code into the
7713 (expand_omp_for_static_nochunk): Likewise.
7714 (expand_omp_for_static_chunk): Likewise.
7715 (expand_omp_for): Likewise.
7716 (expand_omp_sections): Likewise.
7717 (remove_exit_barriers): New.
7718 (expand_omp_synch): New.
7720 (build_omp_regions_1): New.
7721 (build_omp_regions): New.
7722 (execute_expand_omp): New.
7723 (gate_expand_omp): New.
7724 (pass_expand_omp): Define.
7725 (lower_omp_sections): Rename from expand_omp_sections.
7726 Set OMP_SECTIONS_SECTIONS.
7727 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7728 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7729 (lower_omp_single): Rename from expand_omp_simple.
7730 (lower_omp_master): Rename from expand_omp_master.
7731 (lower_omp_ordered): Rename from expand_omp_ordered.
7732 (lower_omp_critical): Rename from expand_omp_critical.
7733 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7734 (lower_omp_for): Re-implement.
7735 (lower_omp_parallel): Re-implement.
7736 (lower_regimplify): Rename from expand_regimplify.
7737 (lower_omp_1): Rename from expand_omp_1.
7738 If there are syntax errors in the program, replace every
7739 OpenMP directive with NOP.
7740 Call lower_omp_* instead of expand_omp_*.
7741 (lower_omp): Rename from expand_omp.
7743 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7744 * tree-gimple.h (enum omp_parallel_type): Remove.
7745 (gimple_boolify): Declare extern.
7746 (find_omp_clause, determine_parallel_type): Remove.
7748 * gimple-low.c (lower_omp_directive): New.
7749 (lower_stmt): Call it.
7750 (record_vars_into): Move from ...
7751 (record_vars): ... here.
7752 Call record_vars_into with current_function_decl.
7754 * gimplify.c (struct gimplify_ctx): Remove fields
7755 combined_pre_p and combined_ctxp. Update users.
7756 (get_formal_tmp_var): Add documentation.
7757 (gimple_boolify): Make extern.
7758 (gimplify_expr_in_ctx): Remove. Update callers.
7759 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7760 will always be a BIND_EXPR.
7761 (gimplify_expr): Handle OMP_RETURN_EXPR.
7762 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7763 (OMP_PARALLEL): Add 3 operands.
7764 (OMP_SECTIONS): Add 1 operand.
7765 (OMP_RETURN_EXPR): Define.
7767 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7768 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7769 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7770 creating a circular free list.
7771 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7773 * tree-flow.h (move_sese_region_to_fn): Declare.
7774 (record_vars_into): Declare.
7775 * tree-cfg.c (make_omp_sections_edges): New.
7776 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7777 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7778 OMP_SECTIONS and OMP_SECTION.
7779 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7780 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7781 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7782 (gather_blocks_in_sese_region): New.
7783 (struct move_stmt_d): Declare.
7785 (move_block_to_fn): New.
7786 (move_sese_region_to_fn): New.
7788 * passes.c (init_optimization_passes): Schedule
7789 pass_expand_omp after pass_init_datastructures.
7791 * tree-ssa-operands.c (get_expr_operands): Handle
7792 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7793 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7795 2006-01-19 Jeff Law <law@redhat.com>
7797 * tree-vrp.c (extract_range_from_assert): Refine the result range
7798 if the variable referenced by the ASSERT_EXPR has a range and
7799 either the tentative result range or the previous range is a
7802 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7804 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7806 2006-01-19 Jan Hubicka <jh@suse.cz>
7808 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7810 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7812 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7813 (expand_compound_operation, expand_field_assignment): Fail if the
7814 bit lengths of an extract operation are out of range.
7815 (make_extraction): Compute wanted_inner_mode based on the position
7816 and length of the extraction. Make it extraction_mode for non-constant
7817 positions, and do not modify offset in that case. When generating a
7818 new MEM, use a mode that can hold the extraction while keeping correct
7819 alignment. Remove code that supported MEMs wrapped by USEs.
7820 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7822 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7824 * config/s390/s390.md ("Y", "y"): New mode attribute.
7825 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7826 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7827 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7828 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7829 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7830 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7831 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7832 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7833 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7834 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7835 "addsi3", "subsi3"): Insn patterns removed.
7836 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7837 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7838 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7839 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7840 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7841 "*sub<mode>3_cconly2"): New insn patterns.
7842 ("addsi3", "subsi3"): New expanders.
7844 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7846 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7847 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7848 existing STMT_VINFO_VECTYPE if available.
7849 (vect_mark_relevant): Add special handling for stmts that are
7850 marked as STMT_VINFO_IN_PATTERN_P.
7851 (vect_analyze_loop): Call vect_pattern_recog.
7852 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7853 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7855 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7856 (vect_recog_func_ptr): New function-pointer type.
7857 * tree-vect-patterns.c: New file.
7858 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7859 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7860 (vect_pattern_recog_1): New functions.
7861 (vect_pattern_recog_funcs): New array of function pointers.
7863 * tree-vectorizer.h (ternary_op): New enum value.
7864 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7865 declaration. Revised documentation. Removed redundant dump prints.
7866 Removed redundant argument. Added support for reduction patterns.
7867 (vectorizable_reduction): Added support for reduction patterns.
7868 (vect_transform_stmt): Added support for patterns.
7870 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7871 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7872 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7873 (expand_widen_pattern_expr): New function.
7874 (init_optabs): Initialize new optabs udot_prod_optab,
7876 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7877 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7878 (expand_widen_pattern_expr): New function declaration.
7879 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7881 * tree-inline.c (estimate_num_insns_1): Added cases for new
7882 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7883 * tree-pretty-print.c (dump_generic_node): Likewise.
7884 (op_prio): Likewise.
7885 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7886 * tree-ssa-operands.c (get_expr_operands): Added case for
7888 * tree-vect-patterns.c (widened_name_p): New function.
7889 (vect_recog_dot_prod_pattern): Added function implementation.
7890 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7891 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7892 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7893 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7895 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7896 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7897 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7898 (init_optabs): Initialize new optabs widen_ssum_optab,
7900 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7901 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7902 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7903 use instead of type of def.
7904 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7905 function implementation.
7906 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7907 widen_ssumv8hi): New.
7909 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7912 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7915 * c-decl.c (add_flexible_array_elts_to_size): New function.
7916 (finish_decl): Use it.
7918 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7920 * diagnostic.h: Include options.h.
7921 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7922 dependancies for diagnostic.h.
7923 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7925 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7927 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7928 (ssa_ro_call_cache_valid): Ditto.
7929 * tree-ssa-alias.c (sort_tags_by_id): New function.
7930 (init_transitive_clobber_worklist): Ditto.
7931 (add_to_worklist): Ditto.
7932 (mark_aliases_call_clobbered): Ditto.
7933 (compute_tag_properties): Ditto.
7934 (set_initial_properties): Ditto.
7935 (compute_call_clobbered): Ditto.
7936 (compute_may_aliases): Call compute_call_clobbered and grouping.
7937 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7938 (compute_flow_insensitive_aliasing): Grouping now happens in our
7940 (setup_pointers_and_addressables): Remove clobbering related code.
7941 (add_may_alias): Ditto.
7942 (replace_may_alias): Ditto.
7943 (get_nmt_for): Ditto.
7944 (create_global_var):
7945 (is_escape_site): Return an escape_type enumeration.
7946 * tree-flow-inline.h (is_call_clobbered): Global var does not
7947 imply call clobbered.
7948 (mark_call_clobbered): Take a reason for marking this. Remove
7949 marking of globalness, and cache invalidation.
7950 (clear_call_clobbered): Remove cache invalidation code.
7951 * tree-dfa.c (dump_variable): If details is on, dump the reason
7953 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7955 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7956 (struct var_ann_d): Ditto.
7957 (enum escape_type): New.
7958 (mark_call_clobbered): Adjust prototype.
7959 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7960 are never call clobbered.
7961 Record reasons for escaping.
7962 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7963 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7964 (ssa_ro_call_cache_valid): Ditto.
7965 (clobbered_v_may_defs): Ditto.
7966 (clobbered_vuses): Ditto.
7967 (ro_call_vuses): Ditto.
7968 (clobber_stats): New.
7969 (init_ssa_operands): Zero out clobber stats.
7970 (fini_ssa_operands): Print out clobber stats.
7971 (get_call_expr_operands): Pass callee fndecl to
7973 (add_call_clobber_ops): Remove use of cache.
7974 Add use of PURE_CONST information.
7975 (add_call_read_ops): Remove use of cache.
7976 Add use of static not_read information.
7978 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7980 Introduce TLS descriptors for i386 and x86_64.
7981 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7982 (TARGET_ANY_GNU_TLS): New macro.
7983 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7984 (struct machine_function): Add tls_descriptor_call_expanded_p.
7985 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7986 (ix86_current_function_calls_tls_descriptor): Likewise.
7987 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7988 (override_options): Introduce gnu2 tls dialect.
7989 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7991 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7993 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7994 (ix86_init_machine_status): Initialize new field.
7995 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7996 (ix86_tls_module_base): New.
7997 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7998 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7999 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8000 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8001 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8002 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8003 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8004 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8005 * config/i386/predicates.md (tls_modbase_operand): New.
8006 (tp_or_register_operand): New.
8008 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8010 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8011 (look_for_address_of): Ditto.
8012 (ipa_init): Walk the function decls.
8013 (static_execute): Don't set readonly on FUNCTION_DECL's.
8015 2006-01-18 Roger Sayle <roger@eyesopen.com>
8017 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8018 for shifts where the source and destination registers are different.
8020 2006-01-18 Paul Brook <paul@codesourcery.com>
8022 Merge from csl-arm-branch.
8023 2005-03-14 Julian Brown <julian@codesourcery.com>
8024 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8025 (aeabi_llsl): Likewise.
8026 (ashrdi3): Likewise.
8027 (aeabi_lasr): Likewise.
8028 (lshrdi3): Likewise.
8029 (aeabi_llsr): Likewise.
8030 2005-03-10 Julian Brown <julian@codesourcery.com>
8031 * config.gcc: Disable shared libgcc for SymbianOS.
8032 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8034 2006-01-18 DJ Delorie <dj@redhat.com>
8036 * c-pragma.c (handle_pragma_diagnostic): New.
8037 (init_pragma): Register it.
8038 * doc/extend.texi: Document it.
8040 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8041 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8042 (diagnostic_context): Add classify_diagnostic[].
8043 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8044 as errors if they're overridden to DK_WARNING.
8045 (diagnostic_initialize): Initialize classify_diagnostic[].
8046 (diagnostic_set_kind_override): New.
8047 (diagnostic_report_diagnostic): Check for kind changes.
8048 * opts.c (common_handle_option): Take lang_mask. Update callers.
8050 * common.opt (Werror=): New.
8051 * doc/invoke.texi: Document -Werror=*
8053 2006-01-18 Jeff Law <law@redhat.com>
8055 * tree-vrp.c (test_for_singularity): Correct test for new
8056 min limit. Use operand_equal_p rather than pointer equality
8057 for testing if new min/max values are equal.
8059 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8060 using range information until after propagation and folding.
8062 2006-01-18 Richard Henderson <rth@redhat.com>
8063 Aldy Hernandez <aldyh@redhat.com>
8064 Jakub Jelinek <jakub@redhat.com>
8065 Diego Novillo <dnovillo@redhat.com>
8067 * omp-low.c: New file.
8068 * c-omp.c: New file.
8070 2006-01-18 Richard Henderson <rth@redhat.com>
8071 Jakub Jelinek <jakub@redhat.com>
8072 Diego Novillo <dnovillo@redhat.com>
8074 * doc/invoke.texi: Document -fopenmp.
8075 * tree-dump.h (debug_function): Declare.
8076 * hooks.c (hook_bool_tree_bool_false): New function.
8077 (hook_tree_tree_null): Remove.
8078 (hook_tree_tree_tree_null): New.
8079 * hooks.h: Update to match.
8080 * tree-pretty-print.c (debug_tree_chain): New.
8081 (print_generic_expr): Handle TDF_CHAIN.
8082 (dump_generic_node): Handle BLOCK.
8083 Do not abort with incomplete SWITCH_EXPRs.
8084 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8085 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8086 print space after directive name.
8087 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8088 Handle OMP_MASTER and OMP_ORDERED.
8089 Handle printing of OMP_BODY just in one place, goto
8090 dump_omp_body in the rest of OMP_* nodes that have
8092 Don't handle clause nodes here. Update omp statements to
8093 use dump_omp_clauses.
8094 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8095 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8096 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8097 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8098 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8099 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8100 Adjust output for GOMP_PARALLEL.
8101 (dump_omp_clauses): New.
8102 (print_declaration): Dump DECL_VALUE_EXPR.
8103 (op_symbol_1): Split out of op_symbol.
8104 (dumping_stmts): Remove. Update all users.
8105 * cgraph.c (cgraph_analyze_queue): New.
8106 (cgraph_add_new_function): New.
8107 * cgraph.h (cgraph_analyze_queue): Declare.
8108 (cgraph_add_new_function): Declare.
8109 (cgraph_lower_function): Remove.
8110 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8111 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8112 and TYPE_P nodes in its default clause.
8113 (empty_body_p): New.
8114 (tree_range_check_failed): New.
8116 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8117 OMP_CLAUSE_REDUCTION_MERGE,
8118 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8119 OMP_CLAUSE_PRIVATE_DEBUG,
8120 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8121 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8122 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8123 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8124 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8125 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8126 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8127 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8128 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8129 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8130 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8131 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8132 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8133 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8134 (TREE_RANGE_CHECK): New.
8135 (empty_body_p): Declare.
8136 (enum omp_clause_default_kind): New.
8137 (build_string_literal): Declare.
8138 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8139 (build5_stat, build5): Declare.
8140 * tree-pass.h (TDF_CHAIN): Define.
8141 * tree-pass.h (PROP_gimple_lomp): Define.
8142 (pass_lower_omp): Declare.
8143 * diagnostic.h (debug_tree_chain): Declare.
8144 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8146 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8147 * builtins.c (build_string_literal): Make extern.
8148 * gcc.c (include_spec_function): New.
8149 (static_spec_functions): Add it.
8150 (main): Move load of libgomp.spec ...
8151 (LINK_COMMAND_SPEC): ... here.
8152 (link_gomp_spec): New.
8153 (static_specs): Include it.
8154 (LINK_COMMAND_SPEC): Add link_gomp.
8155 (GOMP_SELF_SPECS): New.
8156 (driver_self_specs): Include it.
8157 (switch_matches): Don't mark inline.
8158 (main): Load libgomp.spec.
8159 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8160 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8161 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8162 * tree-gimple.h (enum omp_parallel): Declare.
8163 (determine_parallel_type): Declare.
8164 (omp_firstprivatize_variable): Declare.
8165 (omp_reduction_init): Declare.
8166 (diagnose_omp_structured_block_errors): Declare.
8167 (struct walk_stmt_info): Add want_return_expr.
8168 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8169 (find_omp_clause): Declare.
8170 (insert_field_into_struct): Declare.
8171 (struct walk_stmt_info): Move from tree-nested.c
8172 (walk_stmts): Declare.
8173 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8175 * cgraphunit.c (cgraph_lower_function): Make static.
8176 (cgraph_finalize_pending_functions): New.
8177 (cgraph_finalize_function): Call it.
8178 (cgraph_finalize_compilation_unit): Likewise.
8179 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8180 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8181 (BT_FN_UINT_UINT): New.
8182 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8183 DEF_FUNCTION_TYPE_VAR_4): Document.
8184 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8185 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8186 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8187 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8188 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8189 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8190 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8191 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8192 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8193 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8194 into separate files.
8195 (DEF_GOMP_BUILTIN): New.
8196 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8197 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8198 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8199 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8200 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8201 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8202 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8203 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8204 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8205 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8206 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8207 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8208 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8209 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8210 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8211 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8212 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8213 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8214 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8215 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8216 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8217 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8218 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8219 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8220 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8221 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8222 * sync-builtins.def: New file, moved from builtins.def.
8223 * omp-builtins.def: New file, moved from builtins.def.
8224 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8225 * gimple-low.c (lower_function_body): Clear data.
8226 (lower_stmt): Do not handle COMPOUND_EXPR.
8227 Remove call to print_node_brief.
8228 * c-tree.h (c_finish_omp_clauses): New prototype.
8229 (C_DECL_THREADPRIVATE_P): Define.
8230 (lookup_name_no_remap, c_omp_remap_private): Remove
8231 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8232 (check_for_loop_decls): Update decl.
8233 (lookup_name_no_remap, c_omp_remap_private): Declare.
8234 (build_indirect_ref, build_modify_expr, pushdecl,
8235 pushdecl_top_level): Move to c-common.h.
8236 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8237 before the switch, but just in the 2 places that need it.
8238 * c-decl.c (diagnose_mismatched_decls): Do not check for
8239 mismatched thread-local attributes when OLDDECL is marked
8240 threadprivate and NEWDECL has no thread-local attributes.
8241 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8242 (c_gimple_diagnostics_recursively): Rename from
8243 c_warn_unused_result_recursively. Invoke
8244 diagnose_omp_structured_block_errors.
8245 (check_for_loop_decls): Return a singular decl found.
8246 * langhooks.c (lhd_omp_predetermined_sharing): Return
8247 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8248 (lhd_omp_firstprivatize_type_sizes): New.
8249 (lhd_omp_assignment): New.
8250 (lhd_omp_predetermined_sharing): New.
8251 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8252 (struct lang_hooks_for_types): Add
8253 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8254 omp_predetermined_sharing, omp_disregard_value_expr,
8255 omp_private_debug_clause, omp_clause_default_ctor,
8256 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8257 (c_finish_omp_clauses): New.
8258 (c_finish_bc_stmt): Diagnose break within omp for.
8259 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8260 (build_unary_op): Return error_mark after reporting
8262 (build_modify_expr): Likewise.
8263 * gimplify.c: Include optabs.h and pointer-set.h.
8264 (enum gimplify_omp_var_data): Declare.
8265 (struct gimplify_omp_ctx): Declare.
8266 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8268 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8269 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8270 (splay_tree_compare_decl_uid): New.
8271 (new_omp_context): New.
8272 (delete_omp_context): New.
8273 (gimple_add_tmp_var): Call omp_add_variable.
8274 (gimplify_bind_expr): Likewise.
8275 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8276 true, disregard DECL_VALUE_EXPR on the decl if any.
8277 (gimplify_expr_in_ctx): New.
8278 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8279 omp_add_variable, omp_notice_variable, omp_is_private
8280 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8281 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8282 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8283 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8284 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8285 gimplify_omp_atomic): New.
8286 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8287 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8288 OMP_CRITICAL and OMP_ATOMIC.
8289 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8290 * c-pragma.h (enum pragma_kind): Add
8291 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8292 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8293 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8294 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8295 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8296 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8297 PRAGMA_OMP_THREADPRIVATE.
8298 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8299 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8300 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8301 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8302 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8303 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8304 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8305 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8306 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8307 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8308 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8309 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8310 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8312 (struct nesting_info): Add field_map,
8313 suppress_expansion, debug_var_chain.
8314 (create_nesting_tree): Initialize them.
8315 (lookup_field_for_decl): Use field_map.
8316 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8317 (convert_local_omp_clauses): New.
8318 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8319 (walk_body): Split out of walk_function.
8320 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8321 (convert_nonlocal_reference): Handle omp statements.
8322 (convert_local_reference): Likewise.
8323 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8324 (unnest_nesting_tree): New.
8325 (lower_nested_functions): Call it.
8326 (insert_field_into_struct): Make extern.
8327 (struct walk_stmt_info): Move to tree-gimple.h.
8328 (walk_stmts): Make extern.
8329 * omp-builtins.def: New file.
8330 * tree-iterator.c (expr_only): Clarify comment.
8331 * c-common.h (pushdecl_top_level, pushdecl,
8332 build_modify_expr, build_indirect_ref,
8333 c_finish_omp_master, c_finish_omp_critical,
8334 c_finish_omp_ordered, c_finish_omp_barrier,
8335 c_finish_omp_atomic, c_finish_omp_flush,
8336 c_finish_omp_for, c_split_parallel_clauses,
8337 omp_clause_default_kind, c_omp_sharing_predetermined,
8338 c_omp_remap_decl): Declare.
8339 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8340 (OBJS-common): Add omp-low.o.
8341 (c-omp.o, omp-low.o): Add.
8342 (gimplify.o): Add dependency on $(OPTABS_H).
8343 (GTFILES): Add omp-low.c.
8344 (gt-stringpool.h): Add.
8345 * tree-cfg.c (set_bb_for_stmt): Do not update the
8346 block-to-labels map if we are currently expanding to RTL.
8347 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8349 Handle IDENTIFIER_NODE.
8350 (tree_verify_flow_info): Do not ICE when emitting error
8351 messages about invalid labels.
8352 (dump_function_to_file): Reset CFUN before emitting the body
8354 (debug_function): New.
8355 * passes.c (init_optimization_passes): Schedule
8357 * langhooks-def.h (lhd_omp_predetermined_sharing,
8358 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8360 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8361 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8362 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8363 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8364 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8365 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8366 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8367 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8368 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8369 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8370 (LANG_HOOK_DECLS): Use them.
8372 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8373 Richard Henderson <rth@redhat.com>
8374 Jakub Jelinek <jakub@redhat.com>
8375 Diego Novillo <dnovillo@redhat.com>
8377 * c-parser.c (pragma_omp_clause): Define.
8378 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8379 (c_parser_compound_statement): Likewise.
8380 (c_parser_statement): Likewise.
8381 (c_parser_pragma): Handle omp pragmas.
8382 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8383 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8384 (c_parser_omp_clause_name, check_no_duplicate_clause,
8385 c_parser_omp_variable_list,
8386 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8387 c_parser_omp_clause_copyprivate,
8388 c_parser_omp_clause_default,
8389 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8390 c_parser_omp_clause_lastprivate,
8391 c_parser_omp_clause_nowait,
8392 c_parser_omp_clause_num_threads,
8393 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8394 c_parser_omp_clause_reduction,
8395 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8396 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8397 c_parser_omp_atomic, c_parser_omp_barrier,
8398 c_parser_omp_critical, c_parser_omp_flush,
8399 c_parser_omp_for_loop, c_parser_omp_for,
8400 c_parser_omp_master, c_parser_omp_ordered,
8401 c_parser_omp_sections_scope, c_parser_omp_sections,
8402 c_parser_omp_parallel, c_parser_omp_single,
8403 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8404 * c-pragma.c (init_pragma): Do omp pragma registration here.
8405 * c.opt (fopenmp): New flag.
8407 2006-01-18 Eric Christopher <echristo@apple.com>
8409 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8410 * config/darwin.h (GOMP_SELF_SPECS): Define.
8412 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8414 * rtl.h: Remove the prototype for reg_alloc.
8416 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8419 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8420 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8421 sjlj and dwarf2 exception handling.
8422 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8423 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8424 * pa/pa.c (function_value): Treat complex and vector types as
8426 (function_arg): Likewise. Only pass scalar floats in the floating
8427 point argument registers.
8428 * pa/t-slibgcc-dwarf-ver: New file.
8429 * pa/t-slibgcc-sjlj-ver: New file.
8430 * pa/t-slibgcc-elf-ver: Delete file.
8432 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8434 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8435 unlikely_test_section_p test.
8437 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8439 * mode-switching.c (optimize_mode_switching): Make it static.
8440 * basic-block.h: Remove the prototype for
8441 optimize_mode_switching.
8443 * modulo-sched.c (sms_schedule): Make it static.
8444 * rtl.h: Remove the prototype for sms_schedule.
8446 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8447 * rtl.h: Remove the prototype for gcse_after_reload_main.
8449 * reg-stack.c (reg_to_stack): Make it static.
8450 * rtl.h: Remove the prototype for reg_to_stack.
8452 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8454 * rtl.h: Remove the prototypes for regrename_optimize and
8455 copyprop_hardreg_forward.
8457 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8459 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8460 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8461 Test against the appropriate null constant for the mode.
8462 If 'fixup_overlap' is true, swap the operands if they overlap.
8463 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8464 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8465 alpha_split_tmode_pair and adjust for above change.
8466 * config/alpha/alpha.md (movtf_internal): Adjust call to
8467 alpha_split_tfmode_pair and rely on it to swap the operands.
8468 (movti_internal): New insn and post-reload splitter.
8469 (movti): New expander.
8471 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8473 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8476 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8478 * rtlanal.c (global_reg_mentioned_p_1,
8479 global_reg_mentioned_p): Remove.
8480 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8482 * flow.c (initialize_uninitialized_subregs): Make it static.
8483 * rtl.h: Remove the prototype for
8484 initialize_uninitialized_subregs.
8486 * function.c (instantiate_virtual_regs): Make it static.
8487 * function.h: Remove the prototype for
8488 instantiate_virtual_regs.
8490 * regmove.c (regmove_optimize, combine_stack_adjustments):
8492 * rtl.h: Remove the prototypes for regmove_optimize and
8493 combine_stack_adjustments.
8495 2006-01-17 Roger Sayle <roger@eyesopen.com>
8497 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8498 (size_cost): Encode costs in bytes so that a reg-reg addition is
8499 equivalent to COSTS_N_INSNS(1).
8500 (override_options): Use the size_cost.branch_cost as the default
8501 ix86_branch_cost when optimizing for size.
8503 2006-01-18 Ben Elliston <bje@au.ibm.com>
8505 * Makefile.in (D32PBIT_FUNCS): New.
8506 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8507 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8508 D64PBIT_FUNCS and D128PBIT_FUNCS.
8509 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8510 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8512 (decnumber_dep): Define.
8513 * doc/libgcc.texi (Decimal float library routines): New node.
8514 * config/dfp-bit.h, config/dfp-bit.c: New files.
8516 2006-01-18 Ben Elliston <bje@au.ibm.com>
8518 * expr.c (emit_move_change_mode): Always adjust addresses, not
8519 just during reload. Copy replacements only during reload.
8520 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8521 emit_move_via_integer.
8523 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8525 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8526 instead of $(srcdir) and ${srcdir}.
8528 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8532 * arm.h (struct machine_function): Add pic_reg.
8533 * arm.c (arm_pic_register): Make unsigned.
8534 (arm_override_options): Only set arm_pic_register if
8535 TARGET_SINGLE_PIC_BASE.
8536 (use_return_insn): Only test for a pic register if it is fixed.
8537 (arm_compute_save_reg0_reg12_mask): Likewise.
8538 (thumb_compute_save_reg_mask): Likewise.
8539 (legitimate_pic_operand): Factor out some known invariants.
8540 (legitimize_pic_address): If we don't have a fixed pic register,
8541 then set up a pseudo in the function entry sequence. Handle the
8542 pic base being in a pseudo.
8543 (arm_load_pic_register): Handle the pic register being in a pseudo.
8544 (arm_expand_prologue): Only set up the pic register if it is fixed.
8545 (thumb_expand_prologue): Likewise.
8546 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8547 (pic_load_addr_based_insn): Likewise.
8548 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8551 2006-01-18 Ben Elliston <bje@au.ibm.com>
8553 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8554 decimal float modes for all floating point registers.
8556 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8557 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8559 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8562 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8563 even when the pointer is not NULL.
8565 2006-01-16 Ian Lance Taylor <ian@airs.com>
8567 * common.opt (ftoplevel-reorder): New option.
8568 * cgraph.c (cgraph_asm_nodes): New global variable.
8569 (cgraph_asm_last_node): New static variable.
8570 (cgraph_order): New global variable.
8571 (cgraph_create_node): Set new order field.
8572 (cgraph_varpool_node): Likewise.
8573 (decide_is_variable_needed): Return true if not
8574 flag_toplevel_reorder.
8575 (cgraph_add_asm_node): New function.
8576 * cgraph.h (struct cgraph_node): Add order field.
8577 (struct cgraph_varpool_node): Add order field.
8578 (struct cgraph_asm_node): Define.
8579 (cgraph_asm_nodes, cgraph_order): Declare.
8580 (cgraph_add_asm_node): Declare.
8581 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8583 (cgraph_varpool_assemble_pending_decls): Call it.
8584 (cgraph_output_pending_asms): New static function.
8585 (cgraph_finalize_compilation_unit): Call it.
8586 (struct cgraph_order_sort): Define.
8587 (cgraph_output_in_order): New static function.
8588 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8589 !flag_toplevel_reorder case.
8590 * c-parser.c: Include "cgraph.h".
8591 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8593 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8594 than -fno-unit-at-a-time.
8595 * doc/invoke.texi (Option Summary): Mention
8596 -fno-toplevel-reorder.
8597 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8598 -funit-at-a-time documentation.
8600 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8601 Kazu Hirata <kazu@codesourcery.com>
8603 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8605 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8607 * Makefile.in (FUNCTION_H): New. Use it instead of
8608 function.h throughout the file.
8609 * function.h: Include tree.h.
8611 2006-01-17 Ben Elliston <bje@au.ibm.com>
8613 * recog.c: Separate some functions with whitespace.
8615 2006-01-16 Richard Henderson <rth@redhat.com>
8617 Merge from gomp branch:
8618 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8619 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8620 and rename from struct inline_data. Rename callee* to dst*;
8621 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8622 transform_new_cfg, transform_return_to_modify, and
8623 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8625 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8626 (copy_decl_for_dup): Remove.
8627 * tree-inline.c (struct inline_data): Move to header.
8628 (insert_decl_map): Export.
8629 (remap_decl): Update for member name changes. Use copy_decl hook.
8630 Allow for replacement to be a non-decl. Remove dead code.
8631 (remap_type_1): Check for existing mapping.
8632 (remap_type): Export.
8633 (remap_decls): Update for member name changes.
8634 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8635 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8636 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8637 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8638 (tree_function_versioning, build_duplicate_type): Likewise.
8639 (copy_body_r): Likewise. Export.
8640 (copy_decl_for_dup): Split into ...
8641 (copy_decl_for_dup_finish, copy_decl_to_var,
8642 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8643 (replace_ref_tree, inlining_p): Remove.
8645 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8647 * ifcvt.c (if_convert): Make it static.
8648 * rtl.h: Remove the prototype for if_convert.
8650 * local-alloc.c (local_alloc): Make it static.
8651 * rtl.h: Remove the prototype for local_alloc.
8653 * loop.c (loop_optimize): Make it static.
8654 * cfgloop.h: Remove the prototype for loop_optimize.
8657 2006-01-16 DJ Delorie <dj@redhat.com>
8659 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8662 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8664 * pa.md: Disparage copies between general and floating-point registers
8665 in 32-bit move patterns.
8667 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8670 * Makefile.in (check-%): Depend on site.exp instead of
8671 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8674 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8676 * global.c (global_alloc): Make it static.
8677 * rtl.h: Remove the prototype for global_alloc.
8679 2006-01-16 Richard Guenther <rguenther@suse.de>
8681 * tree-ssa-alias.c (struct used_part): Add write_only field.
8682 (get_or_create_used_part_for): Initialize it to true.
8683 (create_overlap_variables_for): Don't create structure variables
8684 for structures that only are written to.
8685 (find_used_portions): Handle MODIFY_EXPR to track whether a
8686 structure is only written to.
8688 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8690 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8692 * basic-block.h: Remove the prototype for
8693 partition_hot_cold_basic_blocks.
8695 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8697 * cppspec.c (lang_specific_spec_functions): Remove.
8698 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8699 * gcc.h (lang_specific_spec_functions): Remove.
8700 * gccspec.c (lang_specific_spec_functions): Remove.
8702 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8704 * combine.c (record_value_for_reg): Invalidate registers
8706 (record_dead_and_set_regs_1): Likewise, by passing them to
8707 record_value_for_reg.
8708 (record_dead_and_set_regs): Invalidate stores made by a
8709 call. We do not combine across a call, but we still
8710 relied on equivalences.
8712 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8714 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8715 vrp_int_const_binop returning non-constant nodes.
8717 2006-01-16 Paul Brook <paul@codesourcery.com>
8719 * config/m68k/m68k.c (output_move_const_into_data_reg):
8720 Output correct mnemonic for mvz and mvs.
8722 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8724 * rtl-factoring.c: Add sequence abstraction algorithm.
8725 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8726 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8728 (block_has_preserve_label): New function.
8729 * common.opt: Register new pass.
8730 * Makefile.in: Ditto.
8732 * timevar.def: Ditto.
8733 * tree-pass.h: Ditto.
8734 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8735 * rtl.h (make_jump_insn_raw): Add forward decl.
8736 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8738 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8739 Roger Sayle <roger@eyesopen.com>
8741 * fold-const.c (fold_minmax): New static function.
8742 (fold_binary) <MIN_EXPR>: Call it.
8743 <MAX_EXPR>: Likewise.
8744 * stor-layout.c (place_field): Use DECL_SIZE consistently
8745 in the computation of the new record size.
8747 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8749 * cse.c (cse_condition_code_reg): Make it static.
8750 * rtl.h: Remove the prototype for cse_condition_code_reg.
8752 * combine.c (combine_instructions): Make it static.
8753 * rtl.h: Remove the prototype for combine_instructions.
8755 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8758 * tree.c (get_file_function_name_long): Concatenate the first global
8759 object name with a string derived from the input filename of the object
8762 2006-01-16 Ben Elliston <bje@au.ibm.com>
8764 * config/i386/winnt-stubs.c: Update FSF address.
8765 * config/xtensa/ieee754-df.S: Ditto.
8766 * config/xtensa/ieee754-sf.S: Ditto.
8768 2006-01-14 Ian Lance Taylor <ian@airs.com>
8770 * ifcvt.c (noce_init_if_info): New static function, broken out of
8771 noce_process_if_block.
8772 (noce_process_if_block): Call noce_init_if_info.
8773 (check_cond_move_block): New static function.
8774 (cond_move_process_if_block): New static function.
8775 (process_if_block): Call cond_move_process_if_block.
8777 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8779 * cselib.c (hash_table): Rename to cselib_hash_table.
8780 (cselib_clear_table, discard_useless_values,
8781 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8782 cselib_init, cselib_finish): Adjust uses of hash_table.
8784 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8786 PR tree-optimization/25485
8787 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8788 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8789 is known to be false and true, respectively.
8791 2006-01-14 Richard Guenther <rguenther@suse.de>
8793 PR tree-optimization/22548
8794 PR tree-optimization/22555
8795 PR tree-optimization/22501
8796 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8797 * params.def (salias-max-array-elements): New parameter.
8798 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8799 * doc/invoke.texi (salias-max-array-elements): Document.
8800 * tree-flow-inline.h (var_can_have_subvars): We also handle
8802 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8804 * tree-ssa-structalias.c (params.h): Include.
8805 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8806 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8807 (get_constraint_for): For ADDR_EXPR operating on something
8808 containing an ARRAY_REF, add all subvars to the solution.
8809 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8810 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8811 for creating MUST_DEFs.
8812 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8814 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8816 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8818 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8819 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8820 number_of_iterations_le): New functions.
8821 (number_of_iterations_special): Removed.
8822 (number_of_iterations_exit): Do not use number_of_iterations_special.
8823 * tree.c (unsigned_type_for): Always return integer type.
8825 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8826 Richard Guenther <rguenther@suse.de>
8828 PR rtl-optimization/24257
8829 * gcse.c (find_moveable_store): Only consider a store movable
8830 when the SET_SRC of the insn can be assigned to a register.
8832 2006-01-14 Ian Lance Taylor <ian@airs.com>
8834 * tree.c (tree_not_class_check_failed): New function.
8835 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8836 (tree_not_class_check_failed): Declare.
8838 2006-01-13 Ian Lance Taylor <ian@airs.com>
8840 * reload1.c (do_output_reload): Add assertion rejecting a
8843 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8845 * combine.c (struct reg_stat): Add new fields truncation_label and
8847 (record_value_for_reg): Reset truncated_to_mode.
8848 (record_truncated_value): New function.
8849 (check_promoted_subreg): Call it. Rename to check_conversions.
8850 (combine_instructions): Rename check_promoted_subreg to
8852 (reg_truncated_to_mode): New function.
8853 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8854 (gen_lowpart_or_truncate): New function.
8855 (force_to_mode): Use it instead of gen_lowpart.
8857 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8859 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8860 VAR is a tag, not its type tag.
8862 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8864 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8865 alternatives to match style of other entries.
8866 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8868 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8870 PR tree-optimization/25771
8871 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8874 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8877 * tree-inline.c (declare_return_variable): If the return variable
8878 was marked as a non gimple complex, set the return slot variable
8879 to be a non gimple comple variable.
8881 2006-01-13 Richard Guenther <rguenther@suse.de>
8883 * builtins.c (expand_builtin_sincos): New function.
8884 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8886 (expand_builtin): Expand sincos using expand_builtin_sincos.
8888 2006-01-12 DJ Delorie <dj@redhat.com>
8890 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8891 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8892 so that constant shifts can be split.
8893 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8894 (m32c_valid_pointer_mode): Make static.
8895 (shift_gen_func_for): New.
8896 (m32c_prepare_shift): Use it. Split large const shifts into
8898 * config/m32c/predicates.md (shiftcount_operand): Allow more
8900 (longshiftcount_operand): New.
8901 * doc/md.texi (Machine Constraints): Document In6.
8903 2006-01-13 Ben Elliston <bje@au.ibm.com>
8905 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8906 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8909 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8911 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8912 to try to avoid clobbering pieces of structures when we know
8913 something about the whole structure.
8914 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8916 2006-01-13 Ben Elliston <bje@au.ibm.com>
8918 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8919 return in memory, as this is no limitation is no longer present.
8921 2006-01-12 DJ Delorie <dj@redhat.com>
8923 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8924 mova with fb, and for fb+0 -> An.
8926 * config/m32c/mov.md (peephole2): Fix enabling logic.
8928 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8929 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8930 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8931 FINI_ARRAY_SECTION_ASM_OP): Define.
8933 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8935 (m32c_legitimize_reload_address): New logic to reload FB to An.
8936 (m32c_output_reg_push): Add newline.
8937 (m32c_output_reg_pop): Likewise.
8939 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8941 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8943 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8945 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8947 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8949 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8952 2006-01-11 Ben Elliston <bje@au.ibm.com>
8954 * rtlanal.c (find_reg_note): Assert insn is not null.
8956 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8958 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8961 2006-01-11 Jeff Law <law@redhat.com>
8963 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8965 (mark_threaded_blocks, register_jump_thread): New functions.
8966 (thread_through_all_blocks): Remove unwanted argument. No
8967 longer rely on e->aux to communicate thread target info.
8968 Call mark_threaded_blocks. Release the threaded_blocks
8969 bitmap and threaded_edges vector when complete.
8970 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8971 (threaded_blocks): Remove.
8972 (tree_ssa_dominator_optimize): Remove initialization and
8973 finalization of threaded_blocks. Simplify call to
8974 thread_through_all_blocks.
8975 (thread_across_edge): Call register_jump_thread rather than
8976 storing thread information into e->aux.
8977 (free_all_edge_infos): Simplify now that e->aux is no longer
8978 used to communicate with thread_through_all_blocks.
8979 * tree-flow.h (thread_through_all_blocks): Update prototype.
8980 (register_jump_thread): Prototype.
8982 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8984 * df-core.c (df_compact_blocks, df_bb_replace): Use
8985 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8987 2006-01-11 Richard Guenther <rguenther@suse.de>
8989 PR tree-optimization/25734
8990 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8991 stop propagation after successful propagation to the LHS.
8993 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8995 * basic-block.h (control_flow_graph): Change the type of
8996 x_basic_block_info to VEC(basic_block,gc) *.
8997 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8999 (SET_BASIC_BLOCK): New.
9000 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9001 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9002 * cfgbuild.c (find_basic_blocks): Likewise.
9003 * cfglayout.c (fixup_reorder_chain): Likewise.
9004 * cfgrtl.c (create_basic_block_structure,
9005 rtl_create_basic_block): Likewise.
9006 * ifcvt.c (find_if_case_1): Likewise.
9007 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9010 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9012 * Makefile.in: Removed rotted odf.c entry.
9014 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9017 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9018 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9019 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9020 output pattern modifier, not %e.
9021 * config/cris/cris.c (cris_op_str): Update comment about pattern
9023 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9024 before falling through into...
9025 <case 'E'>: Redefined from old 'e' case.
9027 2006-01-11 Jan Hubicka <jh@suse.cz>
9030 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9032 2006-01-11 Jan Hubicka <jh@suse.cz>
9034 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9035 * i386.c (x86_decompose_lea): Kill.
9036 (ix86_rtx_costs): Kill.
9038 2006-01-11 Jan Hubicka <jh@suse.cz>
9040 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9041 * cgraph.h (cgraph_node): Add inline_decl.
9042 (cgraph_insert_node_to_hashtable): Declare.
9043 (save_inline_function_body): Declare.
9044 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9046 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9047 (cgraph_function_versioning): Update call of tree_function_versioning.
9048 (save_inline_function_body): New function.
9049 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9050 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9051 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9052 (cgraph_default_inline_p): Likewise.
9053 (cgraph_decide_inlining_incrementally): Likewise.
9054 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9055 (copy_bb): Kill saving; do updating of clones.
9056 (copy_cfg_body): Kill saving.
9057 (initialize_inlined-parameters): Likewise.
9058 (expand_call_inline): Likewise.
9060 (tree_function_versioning): New parameter "update_clones".
9061 (inlining_p): Kill saving.
9062 * tree-inline.h (tree_function_versioning): Update prototype.
9063 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9066 2006-01-11 Ian Lance Taylor <ian@airs.com>
9068 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9069 Allow undoing set of machine mode.
9070 (do_SUBST): Use enums instead of is_int.
9071 (do_SUBST_MODE): New function.
9072 (SUBST_MODE): New macro.
9073 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9074 reg and trying to replace reg_regno_rtx with a new register.
9075 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9076 (simplify_set): Use SUBST_MODE.
9077 (distribute_notes): Remove code that tried to update reg notes
9078 for regno_reg_rtx changes.
9080 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9082 PR tree-optimization/23109
9083 PR tree-optimization/23948
9084 PR tree-optimization/24123
9086 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9087 * tree-cfg.c (single_noncomplex_succ): New.
9088 * tree-flow.h (single_noncomplex_succ): Declare it.
9089 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9090 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9091 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9092 insert_bb, register_division_in, insert_reciprocals,
9093 replace_reciprocal, free_bb): New.
9094 (execute_cse_reciprocals_1): Rewritten.
9095 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9096 Do not commit any edge insertion. Always compute dominators and
9097 create the allocation pool.
9098 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9099 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9100 * targhooks.c (default_min_divistions_for_recip_mul): New.
9101 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9102 * passes.c (init_optimization_passes): Run recip after tree loop
9104 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9106 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9107 Kenneth Zadeck <zadeck@naturalbridge.com>
9109 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9110 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9111 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9112 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9113 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9114 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9115 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9116 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9117 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9118 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9119 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9120 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9121 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9122 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9123 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9124 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9125 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9126 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9127 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9128 DF_SCAN_POST_ALLOC): New macros.
9129 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9130 df_free_bb_function, df_local_compute_function, df_init_function,
9131 df_dataflow_function, df_confluence_function_0,
9132 df_confluence_function_n, df_transfer_function,
9133 df_finalizer_function, df_free_function, df_dump_problem_function,
9134 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9135 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9136 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9137 df_urec_bb_info, ) New types.
9138 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9140 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9141 df_analyze_simple_change_some_blocks,
9142 df_analyze_simple_change_one_block, df_compact_blocks,
9143 df_bb_replace, df_bb_regno_last_use_find,
9144 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9145 df_insn_regno_def_p, df_find_def, df_find_use,
9146 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9147 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9148 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9149 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9150 debug_df_chain, df_get_dependent_problem, df_chain_create,
9151 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9152 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9153 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9154 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9155 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9156 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9157 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9158 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9159 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9160 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9161 df_reorganize_refs, df_set_state, df_hard_reg_init,
9162 df_read_modify_subreg_p) New public functions.
9163 * df-core.c: The core dataflow solver and glue routines for rtl
9165 (df_init, df_add_problem, df_set_blocks, df_finish,
9166 df_hybrid_search_forward, df_hybrid_search_backward,
9167 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9168 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9169 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9170 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9171 df_reg_defined, df_find_use, df_reg_used, df_dump,
9172 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9173 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9174 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9175 debug_df_useno, reset_df_after_reload): New functions.
9176 * df-scan.c: The scanning fuctions, once in df.c, completely
9177 rewritten so that they now fully model the functionality of
9178 register usage at the backend.
9179 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9180 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9181 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9182 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9183 df_get_artificial_defs, df_get_artificial_uses,
9184 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9185 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9186 df_refs_delete, df_reorganize_refs, df_set_state,
9187 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9188 df_def_record_1, df_defs_record, df_uses_record,
9189 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9190 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9191 df_record_exit_block_uses, df_hard_reg_init): New functions.
9193 * df-problems.c: Seven concrete dataflow problems that use the
9194 scanning in df-scan.c and are solved by the engine in df-core.c.
9195 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9196 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9197 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9198 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9199 df_ru_free_bb_info, df_ru_alloc,
9200 df_ru_bb_local_compute_process_def,
9201 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9202 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9203 df_ru_transfer_function, df_ru_free, df_ru_dump,
9204 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9205 df_rd_free_bb_info, df_rd_alloc,
9206 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9207 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9208 df_rd_transfer_function, df_rd_free, df_rd_dump,
9209 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9210 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9211 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9212 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9213 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9214 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9215 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9216 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9217 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9218 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9219 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9220 df_urec_mark_reg_use_for_earlyclobber,
9221 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9222 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9223 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9224 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9225 df_chain_create_bb_process_use, df_chain_create_bb,
9226 df_chain_finalize, df_chain_free, df_chains_dump,
9227 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9228 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9229 df_reg_lifetime): New functions.
9230 * df.c: Deleted file.
9231 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9232 consistent with new df api.
9233 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9234 rest_of_handle_sms): Ditto.
9235 * web.c (unionfind_union, union_defs, entry_register, web_main):
9237 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9238 invariant_expr_equal_p, find_defs, check_dependencies,
9239 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9240 free_inv_motion_data, move_loop_invariants): Ditto.
9241 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9242 Update dependencies.
9243 (odf.c): Added defective entry that was deleted later in day.
9244 * sched-deps.c (sched_analyze_1): Ditto.
9246 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9248 * tree-ssa-operands.c (get_expr_operands): Record addressable
9249 variables directly. Do not call add_stmt_operands for CONST_DECLs
9251 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9252 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9254 2006-01-11 Ben Elliston <bje@au.ibm.com>
9256 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9257 function returns true in the positive case.
9259 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9262 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9263 for SI, DI, SF and DF modes. Add alternatives to copy between
9264 general and floating point registers to the 32-bit patterns.
9265 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9266 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9267 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9268 generating 64-bit code.
9269 * config/pa/pa.c (output_move_double): Handle copies between general
9270 and floating registers.
9272 2006-01-10 Stuart Hastings <stuart@apple.com>
9274 * config/i386/i386.md (set_got): Update.
9275 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9276 (builtin_setjmp_receiver): Mach-O support.
9277 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9278 (GOT_SYMBOL_NAME): Define.
9279 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9280 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9281 * config/i386/i386.c (override_options): Revise for Darwin.
9282 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9283 support. (darwin_x86_file_end): New. (output_set_got): Add label
9284 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9285 * config/i386/i386-protos.h (output_set_got): Likewise.
9286 * config/darwin.c (machopic_legitimize_pic_address): Update
9289 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9291 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9292 when MODE isn't BLKmode.
9294 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9296 PR rtl-optimization/25367
9297 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9299 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9302 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9303 for a negative bound.
9305 2006-01-10 Richard Guenther <rguenther@suse.de>
9307 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9308 Never override with anything constraint.
9310 2006-01-10 Jan Beulich <jbeulich@novell.com>
9312 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9313 256 bits when optimize_size.
9315 2006-01-10 Jan Beulich <jbeulich@novell.com>
9317 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9319 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9320 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9323 2006-01-10 Ben Elliston <bje@au.ibm.com>
9325 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9327 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9328 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9329 (USE_FP_FOR_ARG): Reject decimal float modes.
9330 (function_arg_advance): Likewise.
9331 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9332 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9333 point types in AltiVec vectors.
9334 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9335 (rs6000_libcall_value): Likewise.
9337 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9339 * config/xtensa/ieee754-df.S: New file.
9340 * config/xtensa/ieee754-sf.S: New file.
9341 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9342 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9343 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9345 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9347 * config/sh/predicates.md (binary_float_operator,
9348 binary_logical_operator, commutative_float_operator,
9349 equality_comparison_operator, greater_comparison_operator,
9350 less_comparison_operator, logical_operator,
9351 noncommutative_float_operator, shift_operator,
9352 symbol_ref_operand, unary_float_operator): Remove redundant
9355 2006-01-09 Jeff Law <law@redhat.com>
9357 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9358 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9359 now unused arguments. Callers updated.
9360 (eliminate_redundant_computations): Remove now unused arguments,
9362 (local_fold): Remove, no longer used.
9363 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9365 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9366 (simplify_cond): New function.
9367 (forward_propagate_into_cond): Call simplify_cond.
9369 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9371 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9372 (*vec_extractv2di_1_sse): New.
9374 2006-01-09 Ben Elliston <bje@au.ibm.com>
9376 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9378 2006-01-08 Richard Guenther <rguenther@suse.de>
9380 * tree-ssa-structalias.c (get_constraint_for): Remove
9382 (get_constraint_for_component_ref): Likewise.
9383 (do_deref): Likewise.
9384 (get_constraint_for): Likewise.
9385 (do_structure_copy): Likewise.
9386 (handle_ptr_arith): Likewise.
9387 (find_func_aliases): Likewise. Remove unused need_anyoffset
9390 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9391 Kaz Kojima <kkojima@gcc.gnu.org>
9393 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9394 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9395 (EXTRA_CONSTRAINT_C16): Remove.
9396 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9397 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9398 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9399 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9400 constants of SHmedia. Handle nested constant expressions of
9402 (andcosts): Fix the costs for SHmedia constants.
9403 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9404 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9405 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9406 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9407 (movv4hi_i, movv2si_i): Likewise.
9408 (movsi_const): Adjust the second operand of ior so to match with
9410 (movdi_const, movdi_const_32bit): Likewise.
9411 (movdi_const_16bit+1): Don't sign-extend LOW.
9412 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9414 (*double_shori): Fix the split condition. Use GEN_INT instead
9415 of get_int_mode calls. Mask lower 16-bit of the argument of
9417 (sym2GOTPLT): Remove.
9418 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9420 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9421 instead of EXTRA_CONSTRAINT_C16.
9423 2006-01-07 Ian Lance Taylor <ian@airs.com>
9424 David Edelsohn <edelsohn@gnu.org>
9426 PR rtl-optimization/25662
9427 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9428 for constant operands instead of simplify_gen_binary.
9429 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9430 after trying simplify_binary_operation
9432 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9434 * tree.c (iterative_hash_expr): Hash decls based on UID.
9436 2006-01-06 Eric Christopher <echristo@apple.com>
9438 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9439 (TARGET_UNWIND_EMIT): Fix spelling.
9440 * target.h (gcc_target): Add except_table_label.
9441 * except.c (output_function_exception_table): Use.
9442 * varasm.c (default_emit_except_table_label): New.
9443 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9445 (asm_out): Add here.
9446 * output.h (default_emit_except_table_label): Prototype.
9447 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9448 * config/darwin.c (darwin_emit_except_table_label): Define.
9449 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9451 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9453 PR tree-optimization/18527
9454 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9455 number_of_iterations_special, number_of_iterations_exit):
9456 Move base and step of an iv to a single structure. Add
9457 no_overflow flag, and use it in # of iterations analysis.
9458 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9459 folded_casts argument.
9460 (simple_iv): Pass base and step in a structure. Set no_overflow
9462 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9463 Evaluate expensiveness of computing # of iterations instead of
9464 the final expression.
9465 * tree-scalar-evolution.h (affine_iv): New structure.
9466 (simple_iv): Declaration changed.
9467 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9468 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9469 find_givs_in_stmt): Changed due to simple_iv change.
9471 2006-01-06 Jeff Law <law@redhat.com>
9474 * tree-cfg.c (bsi_replace): Rename final argument from
9475 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9476 change (stmt -> orig_stmt).
9477 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9478 (bsi_remove): Add new argument. Remove EH information
9480 (verify_eh_throw_table_statements): New function.
9481 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9483 * tree-optimize.c (execute_free_cfg_annotations): Verify
9484 the EH throw statement table after removing annotations.
9485 * except.h (verify_eh_throw_table_statements): Prototype.
9486 * tree-flow.h (bsi_remove): Update prototype.
9487 * tree-vrp.c (remove_range_assertions): Add new argument to
9489 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9490 * tree-complex.c (expand_complex_div_wide): Likewise.
9491 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9492 * tree-tailcall.c (eliminate_tailcall): Likewise.
9493 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9494 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9495 * tree-nrv.c (tree_nrv): Likewise.
9496 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9497 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9498 (combine_blocks): Likewise.
9499 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9500 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9501 (cleanup_control_flow): Likewise.
9502 (remove_forwarder_block): Likewise.
9503 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9504 * tree-sra.c (sra_replace): Likewise.
9505 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9506 (forward_propagate_single_use_vars): Likewise.
9507 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9508 * tree-inline.c (expand_call_inline): Likewise.
9509 * tree-vect-transform.c (vect_transform_loop): Likewise.
9510 * tree-outof-ssa.c (rewrite_trees): Likewise.
9511 * tree-cfg.c (make_goto_expr_edges): Likewise.
9512 (cleanup_dead_labels): Likewise.
9513 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9514 (bsi_move_before, bsi_move_after): Likewise.
9515 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9516 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9518 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9521 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9523 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9524 on non gimple variables. Also add checks at the top for decls and
9526 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9528 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9529 and IMAGPART_EXPR for creating MUST_DEFs.
9530 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9531 and NAME_MEMORY_TAG separately from the DECLs.
9533 2006-01-06 Richard Guenther <rguenther@suse.de>
9535 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9536 annotation, if necessary.
9537 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9538 redundant calls to update_stmt.
9539 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9542 2006-01-05 Richard Henderson <rth@redhat.com>
9544 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9546 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9548 * c-typeck.c: Update copyright date.
9550 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9552 * c-typeck.c (build_c_cast): Always warn when casting
9553 from a pointer to an integer of different size, even if
9554 the node was constant.
9556 2006-01-05 Richard Guenther <rguenther@suse.de>
9558 PR tree-optimization/22555
9559 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9560 if one structure field is an array.
9561 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9562 operands even if we found a subvar, but ignore VOPs in this
9564 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9566 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9568 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9571 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9573 2006-01-05 Richard Guenther <rguenther@suse.de>
9574 Diego Novillo <dnovillo@redhat.com>
9576 * tree-pass.h (TODO_remove_unused_locals): Define.
9577 * gimple-low.c (expand_var_p, remove_useless_vars,
9578 pass_remove_useless_vars): Remove. Update all users.
9579 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9580 (remove_unused_locals): New function.
9581 * tree-flow.h (remove_unused_locals): Declare.
9582 * passes.c (execute_todo): Call remove_unused_locals if
9583 TODO_remove_unused_locals is set.
9584 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9585 * tree-ssa-dce.c (pass_dce): Likewise.
9586 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9588 2006-01-05 Richard Guenther <rguenther@suse.de>
9590 * tree-flow.h (struct fieldoff): Decompose field to
9591 type, size and decl.
9592 * tree-ssa-alias.c (create_sft): Take type as parameter.
9593 (create_overlap_variables_for): Store type, size and decl
9594 in the fieldoff structure.
9595 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9597 (push_fields_onto_fieldstack): Likewise.
9598 (create_variable_info_for): Likewise. Use offset for the
9599 SFT name if the decl is not available.
9601 2006-01-04 Paul Brook <paul@codesourcery.com>
9603 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9605 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9607 * lambda-code.c (can_put_in_inner_loop): Relax
9609 (can_put_after_inner_loop): New function.
9610 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9611 (perfect_nestify): Change to make copies and modify uses.
9613 2006-01-04 Richard Henderson <rth@redhat.com>
9615 Merge from gomp branch:
9616 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9617 via integer constant.
9618 (pragma_lex): Remove.
9619 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9620 rather than parsing it.
9621 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9622 handle_pragma_extern_prefix): Add %< %> quotes.
9623 (registered_pragmas): New.
9624 (c_register_pragma_1): New.
9625 (c_register_pragma): Use it.
9626 (c_register_pragma_with_expansion): Likewise.
9627 (c_invoke_pragma_handler): New.
9628 (init_pragma): Use cpp_register_deferred_pragma directly for
9630 * c-pragma.h (enum pragma_kind): New.
9631 (pragma_handler): New.
9632 (c_invoke_pragma_handler): Declare.
9633 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9635 * c-common.h (c_common_pch_pragma): Update decl.
9636 * Makefile.in (c-parser.o): Update dependencies.
9637 (GTFILES): Add c-pragma.h.
9638 * c-parser.c (struct c_token): Add pragma_kind.
9639 (struct c_parser): Add in_pragma.
9640 (c_lex_one_token): Always initialize keyword and pragma_kind.
9641 Extract data for CPP_PRAGMA.
9642 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9643 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9644 Don't allow CPP_PRAGMA_EOL if in_pragma.
9645 (c_parser_consume_pragma): New.
9646 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9647 (c_parser_skip_to_end_of_parameter): Likewise.
9648 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9649 (c_parser_skip_to_pragma_eol): New.
9650 (c_parser_external_declaration): Handle CPP_PRAGMA.
9651 (c_parser_compound_statement_nostart): Likewise.
9652 (c_parser_statement_after_labels): Likewise.
9653 (c_parser_pragma): New.
9654 (pragma_lex): Likewise.
9655 (c_parser_pragma_pch_preprocess): New.
9656 (c_parser_new): Merge into ...
9657 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9659 2006-01-04 Jeff Law <law@redhat.com>
9662 * tree-cfg.c (bsi_replace): Remove the original statement
9663 from the EH throw statement table.
9665 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9667 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9668 make the prototype extern "C" and add throw ().
9671 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9672 and pos non-negative and pos + len <= 32.
9673 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9674 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9675 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9678 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9679 as well as sizes not multiple of component size.
9682 * function.c (instantiate_expr): New function.
9683 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9684 walk its DECL_VALUE_EXPR with instantiate_expr.
9686 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9687 DW_OP_deref{,_size} if address isn't going to be added.
9689 2006-01-04 Ben Elliston <bje@au.ibm.com>
9691 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9692 * config/fp-bit.c: Likewise.
9694 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9696 * dominance.c: Add comment about why we use DFS numbering
9699 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9700 Richard Henderson <rth@redhat.com>
9702 Merge from gomp-branch:
9703 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9704 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9706 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9708 PR rtl-optimization/25578
9709 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9710 pass a parameter to simplify_shift_const if changing ASHIFTRT
9713 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9715 * builtins.c (get_builtin_sync_mem): New function.
9716 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9717 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9718 Call get_builtin_sync_mem to generate mem rtx.
9720 2006-01-03 Richard Guenther <rguenther@suse.de>
9723 * stmt.c (add_case_node): Make sure to clear overflow flags
9726 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9728 Merge from gomp-branch.
9729 * config/sparc/sync.md: New file.
9730 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9731 UNSPECV_LDSTUB): New constants.
9732 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9733 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9734 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9737 2006-01-03 Roger Sayle <roger@eyesopen.com>
9739 * combine.c (reg_subword_p): New predicate to test whether the
9740 destination of a set refers to a subword/piece of a register.
9741 (try_combine): Generalize the code to merge the setting of a
9742 pseudo to a constant followed by a set of a subword of that
9743 register to a constant.
9745 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9747 * basic-block.h (control_flow_graph): Change the type of
9748 x_label_to_block_map to VEC(basic_block,gc) *.
9749 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9750 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9752 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9753 VEC(basic_block,heap) *.
9754 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9755 ssa_prop_fini): Adjust the uses of cfg_blocks.
9757 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9759 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9761 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9762 hashing trees instead of a pointer hash.
9763 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9764 compare for MEM_EXPR.
9766 PR rtl-optimization/25130
9767 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9768 when comparing MEMs for GCSE
9770 2006-01-03 Ben Elliston <bje@au.ibm.com>
9772 * targhooks.h (default_decimal_float_supported_p): Declare.
9773 * targhooks.c (default_decimal_float_supported_p): Define.
9774 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9775 `default_decimal_float_supported_p'.
9776 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9778 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9780 * combine.c (apply_distributive_law <SUBREG>): Check
9781 TRULY_NOOP_TRUNCATION.
9783 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9785 * dwarf2out.c (have_switched_text_section): Delete.
9786 (have_multiple_function_sections): New.
9787 (have_location_lists): Make 'bool'.
9788 (add_AT_loc_list): Use 'true' not '1'.
9789 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9790 (output_loc_list): Use have_multiple_function_sections.
9791 (output_ranges): Likewise.
9792 (dwarf2out_begin_function): Set have_multiple_function_sections if
9794 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9795 Check function_section rather than DECL_SECTION_NAME.
9796 (dwarf2out_finish): Use have_multiple_function_sections.
9797 Don't clear have_location_lists.
9799 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9800 Jan Hubicka <jh@suse.cz>
9802 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9803 case of conditional jump jumping to the next instruction.
9804 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9805 cases of conditional jump jumping to the next instruction.
9807 2006-01-02 Jan Hubicka <jh@suse.cz>
9809 * i386.c (*_cost): Add COSTS_N_INSNS.
9810 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9812 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9815 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9817 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9819 * config/arm/arm.c (all_fpus): Fix comment typo.
9820 * config/darwin.c: Likewise.
9821 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9822 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9823 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9825 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9827 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9828 (rs6000_split_compare_and_swapqhi): New.
9829 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9830 (sync_compare_and_swapqhi_internal): New.
9831 * config/rs6000/rs6000-protos.h: Declare.
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