1 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3 PR tree-optimization/26821
4 * tree-ssa-math-opts.c (get_constant_one): New.
5 (insert_reciprocals): Use it.
7 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9 * dwarf2out.c (free_AT): Delete.
10 (remove_AT): Update string ref counts.
11 (remove_child_TAG): Don't call free_die.
13 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
15 (prune_unused_types_walk_attribs): Reset string refcounts.
16 (prune_unused_types_update_strings): New.
17 (prune_unused_types_prune): Don't make unnecessary stores. Don't
18 call free_die. Do call prune_unused_types_update_strings.
19 (prune_unused_types): Empty debug_str_hash.
21 2006-04-17 Roger Sayle <roger@eyesopen.com>
23 * expr.c (expand_assignment): Optimize away no-op moves where the
24 source and destination are equal and have no side-effects.
26 2006-04-17 Richard Guenther <rguenther@suse.de>
29 * reload.c (push_reload): Guard calls to get_secondary_mem
32 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
34 * alias.c (reg_base_value, old_reg_base_value): Change the
35 type to VEC(rtx,gc) *.
36 (REG_BASE_VALUE, find_base_value, record_set,
37 init_alias_analysis): Use VEC instead of VARRAY.
39 * alias.c (alias_sets): Change the type to
40 VEC(alias_set_entry,gc) *.
41 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
42 VEC instead of VARRAY.
43 (last_alias_set): Remove.
45 * cgraph.h (cgraph_edge_p): New.
46 Update the prototype of cgraph_function_versioning.
47 * cgraphunit.c (cgraph_copy_node_for_versioning,
48 cgraph_function_versioning): Use VEC instead of VARRAY.
49 * ipa-cp.c (ipcp_insert_stage): Likewise.
51 2006-04-16 Roger Sayle <roger@eyesopen.com>
54 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
55 "A op B" or "A op C", we may need to convert A to the type of B and C.
57 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
59 * target.h (struct gcc_target): Add mode_rep_extended.
60 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
61 (init_num_sign_bit_copies_in_rep): Initialize it using
63 (truncate_to_mode): Use it.
64 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
65 * targhooks.h (default_mode_rep_extended): Declare it.
66 * targhooks.c (default_mode_rep_extended): Define it.
67 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
68 default_mode_rep_extended.
69 (TARGET_INITIALIZER): Include it.
70 * doc/tm.texi (Misc): Document it.
71 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
72 (mips_truncated_to_mode): New function.
74 2006-04-16 Roger Sayle <roger@eyesopen.com>
77 * expr.c (compress_float_constant): Copy the narrow constant into
78 a new pseudo before extending it to its final width.
80 2006-04-16 Roger Sayle <roger@eyesopen.com>
81 Andrew Pinski <pinskia@gcc.gnu.org>
82 Dale Johannesen <dalej@apple.com>
85 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
86 special case code to implement V8HImode and V16QImode with SSE2.
88 2006-04-15 Roger Sayle <roger@eyesopen.com>
90 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
91 trees are constructed with a suitable tree type.
93 2006-04-15 Roger Sayle <roger@eyesopen.com>
95 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
96 (integer_onep): Likewise.
97 (integer_all_onesp): Likewise.
98 (integer_pow2p): Likewise.
99 (integer_nonzerop): Likewise.
100 (real_zerop): Likewise.
101 (real_onep): Likewise.
102 (real_twop): Likewise.
103 (real_minus_onep): Likewise.
104 (int_size_in_bytes): Likewise.
105 (host_integerp): Likewise.
107 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
109 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
110 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
111 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
113 * tree-ssa-structalias.h (alias_info): Remove num_references.
115 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
117 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
118 (output_bvb patterns): Likewise.
119 * pa.c (output_bb): Use 'bb' insn for long branch case.
120 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
121 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
122 1. Correct length operand for alternatives 1 and 2.
123 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
124 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
126 2006-04-14 Roger Sayle <roger@eyesopen.com>
128 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
129 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
130 were accidentally reverted by r112959.
132 2006-04-15 Jakub Jelinek <jakub@redhat.com>
135 * except.h (eh_region_outermost): New prototype.
136 * except.c (eh_region_outermost): New function.
137 * tree-cfg.c (find_outermost_region_in_block): Use it.
139 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
141 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
143 * reload1.c (reg_equiv_memory_loc_varray): Rename to
144 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
145 (init_reload, reload): Use VEC instead of VARRAY.
146 * reload.h: Update the prototype for
147 reg_equiv_memory_loc_varray.
149 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
150 Eric Botcazou <ebotcazou@libertysurf.fr>
152 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
155 2005-04-13 Uros Bizjak <uros@kss-loka.si>
158 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
159 to expand fallback builtin function call.
161 2006-04-14 Alan Modra <amodra@bigpond.net.au>
164 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
165 and emit libcall here in case the builtin fails.
166 (expand_builtin_strcmp): Always emit the libcall here on failure.
168 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
170 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
171 * flow.c (reg_n_info): Change the type to
172 VEC(reg_info_p,heap) *.
173 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
175 * regs.h (reg_info_p): New.
176 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
177 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
178 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
181 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
183 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
185 * params.h (MAX_SCHED_READY_INSNS): New macro.
186 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
187 past MAX_SCHED_READY_INSNS during the first scheduling pass.
188 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
189 the ready list for 1 cycle during the first scheduling pass.
190 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
192 2006-04-13 Richard Henderson <rth@redhat.com>
195 * gimple-low.c (lower_omp_directive): Remove dead code.
196 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
197 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
198 * omp-low.c (struct omp_region): Move to tree-flow.h.
199 (root_omp_region): Export.
200 (omp_regions, lookup_omp_region): Remove.
201 (determine_parallel_type): Update for struct omp_region changes.
202 (dump_omp_region): Dump regions with block numbers.
203 (new_omp_region): Take type and block instead of stmt; malloc
205 (free_omp_region_1, free_omp_regions): New.
206 (expand_parallel_call): Take entry_stmt as argument; update for
207 changes to omp_region.
208 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
209 (remove_exit_barriers): New.
210 (expand_omp_parallel): Update for struct omp_region changes.
211 (expand_omp_synch): Likewise.
212 (expand_omp): Likewise.
213 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
214 (expand_omp_for_static_chunk): Likewise.
215 (expand_omp_for): Likewise.
216 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
217 (expand_omp_sections): Similarly, with GOMP_sections_end.
218 (expand_omp_single): New.
219 (build_omp_regions_1): Update for OMP_CONTINUE.
220 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
221 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
222 OMP_SECTIONS_SECTIONS.
223 (lower_omp_single_simple): Don't emit barrier here.
224 (lower_omp_single_copy): Likewise.
225 (lower_omp_single): Fix bindings, and lower to straightline now.
226 (lower_omp_master, lower_omp_ordered): Likewise.
227 (lower_omp_critical): Likewise.
228 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
229 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
230 omp edges, free it afterward.
231 (make_omp_sections_edges): Remove.
232 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
233 (move_stmt_r): Handle OMP_CONTINUE.
234 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
235 statement pointers to basic blocks. Add type member.
236 (root_omp_region, new_omp_region, free_omp_regions): Declare.
237 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
238 * tree-inline.c (estimate_num_insns_1): Likewise.
239 * tree-pretty-print.c (dump_generic_node): Likewise.
240 * tree-ssa-operands.c (get_expr_operands): Likewise.
241 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
242 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
244 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
245 (OMP_SECTIONS_SECTIONS): Remove.
246 (OMP_SECTION_LAST): New.
247 (OMP_RETURN_NOWAIT): New.
249 2006-04-13 Roger Sayle <roger@eyesopen.com>
251 * fold-const.c (native_encode_vector, native_interpret_real):
252 Correct obvious mistakes in the previous check-in.
254 2006-04-13 Roger Sayle <roger@eyesopen.com>
256 * fold-const.c (native_encode_expr): New function to encode
257 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
258 or VECTOR_CST into a specified buffer.
259 (native_encode_int): New function.
260 (native_encode_real): New function.
261 (native_encode_complex): New function.
262 (native_encode_vector): New function.
263 (native_interpret_expr): Inverse of native_encode_expr to convert
264 a target representation into an INTEGER_CST, REAL_CST etc...
265 (native_interpret_int): New function.
266 (native_interpret_real): New function.
267 (native_interpret_complex): New function.
268 (native_interpret_vector): New function.
269 (fold_view_convert_expr): New function to constant fold/evaluate
270 a VIEW_CONVERT_EXPR of a suitable constant expression.
271 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
272 Change call of build1 to fold_build1 when constructing a
275 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
276 Ulrich Weigand <uweigand@de.ibm.com>
279 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
282 2006-04-13 Alan Modra <amodra@bigpond.net.au>
285 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
286 optimize to lo_sum for DFmode if !TARGET_FPRS.
288 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
290 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
291 delete_alias_info, compute_flow_sensitive_aliasing,
292 group_aliases): Use VEC instead of VARRAY.
293 * tree-ssa-structalias.c (update_alias_info): Likewise.
294 * tree-ssa-structalias.h (alias_info): Change the type of
295 processed_ptrs to VEC(tree,heap) *.
297 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
300 * config/sh/lib1funcs.h: New file, broken out of:
301 * config/sh/lib1funcs.asm.
302 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
304 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
305 * config/sh/lib1funcs-Os-4-200.asm: New file.
306 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
307 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
308 (EXTRA_MULTILIB_PARTS): Include it.
309 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
310 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
311 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
312 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
315 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
317 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
318 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
319 tpa_compact, root_var_init, type_var_init): Use VEC instead of
321 * tree-ssa-live.h: Include vecprim.h.
322 (tree_partition_associator_d): Change the type of
323 first_partition to VEC(int,heap) *.
324 (tpa_first_partition): Use VEC instead of VARRAY.
326 * Makefile.in (GTFILES): Move functions.h after tree.h.
327 * function.c (reset_block_changes, record_block_change,
328 check_block_change, free_block_changes): Use VEC instead of
330 * function.h (function): Change the type of
331 ib_boundaries_block to VEC(tree,gc) *.
332 * tree-inline.c (copy_cfg_body): Initialize
333 ib_boundaries_block to NULL instead of (varray_type) 0.
335 2006-04-12 Roger Sayle <roger@eyesopen.com>
337 * expr.c (emit_group_store): Correct operand order in call to
338 subreg_lowpart_offset. Always create paradoxical SUBREGs with
339 a SUBREG_BYTE of zero.
341 2006-04-12 Richard Guenther <rguenther@suse.de>
343 * profile.c (compute_branch_probabilities): Remove code
344 encapsulated in !ir_type (), which are remanents of the
345 removed RTL profiling code.
346 * rtl-profile.c: Remove.
348 2006-04-12 Alan Modra <amodra@bigpond.net.au>
350 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
351 magic NULL_RTX comment.
352 (function_arg): Store entire fp arg to mem if any part should go
354 (rs6000_arg_partial_bytes): Adjust for above change.
356 2006-04-11 Roger Sayle <roger@eyesopen.com>
358 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
359 if it hasn't been initialized by dwarf2out_init.
361 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
363 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
364 symbolic constants in branch patterns.
366 2006-04-11 Roger Sayle <roger@eyesopen.com>
368 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
370 2006-04-11 Richard Sandiford <richard@codesourcery.com>
372 PR rtl-optimization/27073
373 * gcse.c (try_replace_reg): Revert last change. Continue to search
374 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
377 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
379 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
380 aggregate types other than record and union types.
381 (function_arg): Likewise.
382 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
384 (function_value): In 64-bit mode, return objects that require it
387 2006-04-11 Roger Sayle <roger@eyesopen.com>
389 * dwarf2out.c (premark_used_types): Remove problematic prototype.
391 2006-04-11 Jakub Jelinek <jakub@redhat.com>
393 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
395 2006-04-03 Jeff Law <law@redhat.com>
398 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
399 alias information too.
401 2006-04-10 Mike Frysinger <vapier@gentoo.org>
403 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
405 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
408 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
409 (premark_used_types_helper): New.
410 (premark_used_types): New.
411 (gen_subprogram_die): Call premark_used_types.
412 (prune_unused_types_walk): Do not prune perennial dies.
413 * function.c (used_types_insert): New.
414 * function.h (struct function): Add used_types_hash field.
415 (used_types_insert): Add prototype.
416 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
417 * c-parser.c (c_parser_cast_expression): Save casted types in used
420 2006-04-11 Mark Mitchell <mark@codesourcery.com>
423 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
424 rs6000_explicit_options.float_gprs.
426 2006-04-10 Roger Sayle <roger@eyesopen.com>
428 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
429 from ix86_expand_vector_init_low_nonzero. Take an additional
430 one_var argument indicating which element is non-zero. Support
431 one_var != 0 for V4SFmode and V4SImode by permuting the result.
432 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
433 with one_var instead of ix86_expand_vector_init_low_nonzero.
435 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
437 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
438 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
439 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
440 build/genextract.o): Depend on vecprim.h.
441 * cfglayout.c, df-problems.c, function.c, genextract.c,
442 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
443 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
447 2006-04-10 Geoffrey Keating <geoffk@apple.com>
449 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
450 Declare VECs of this type.
451 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
452 (remove_children): Delete.
453 (add_dwarf_attr): Use VEC routines.
454 (add_AT_flag): Update for changes to add_dwarf_attr.
455 (add_AT_int): Likewise.
456 (add_AT_unsigned): Likewise.
457 (add_AT_long_long): Likewise.
458 (add_AT_vec): Likewise.
459 (add_AT_string): Likewise.
460 (add_AT_die_ref): Likewise.
461 (add_AT_fde_ref): Likewise.
462 (add_AT_loc): Likewise.
463 (add_AT_loc_list): Likewise.
464 (add_AT_addr): Likewise.
465 (add_AT_lbl_id): Likewise.
466 (add_AT_lineptr): Likewise.
467 (add_AT_macptr): Likewise.
468 (add_AT_offset): Likewise.
469 (add_AT_range_list): Likewise.
470 (get_AT): Use VEC_iterate.
471 (remove_AT): Use VEC_ordered_remove.
472 (free_die): Fold remove_children into here; have it use VEC_iterate.
473 (print_die): Use VEC_iterate on attrs.
474 (reverse_die_lists): Don't reverse attr lists.
475 (die_checksum): Use VEC_iterate on attrs.
476 (same_die_p): Likewise.
477 (output_location_lists): Likewise.
478 (build_abbrev_table): Likewise.
479 (size_of_die): Likewise.
480 (unmark_all_dies): Likewise.
481 (output_abbrev_section): Likewise.
482 (output_die): Likewise.
483 (prune_unused_types_walk_attribs): Likewise.
485 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
487 * doc/install.texi (*-*-solaris2*): Point to the configure page.
489 2006-04-10 Jakub Jelinek <jakub@redhat.com>
492 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
494 2006-04-09 Roger Sayle <roger@eyesopen.com>
496 * expr.c (store_constructor): Don't bother clearing target if
497 we're about to assign a vector to it using vec_init_optab.
499 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
501 * tree-ssa-alias.c (lhs_may_store_to): New function.
502 (recalculate_used_alone): Handle LHS of calls.
504 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
508 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
509 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
510 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
511 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
512 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
513 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
514 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
515 stubs. Add ".align 8" directives before all ".dword" directives.
516 (GTHREAD_USE_WEAK): Revise comment.
517 (TARGET_ATTRIBUTE_WEAK): Define.
518 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
519 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
520 * stublib.c: New file.
525 * pa.md (cbranch patterns): Revise arguments used in calls to
526 output_cbranch, output_bb and output_bvd. Add long branch length
528 (fbranch patterns): Handle long branches.
529 (jump): Revise length check. Revise arguments for output_lbranch call.
530 Add long branch length attributes.
531 (decrement_and_branch_until_zero): Add long branch length attributes.
532 (output_movb, output_parallel_addb and output_parallel_movb patterns):
533 Likewise. Revise arguments for output_parallel_addb and
534 output_parallel_movb calls.
535 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
536 output_parallel_movb and output_parallel_addb): Update prototypes.
537 * pa.c (output_cbranch): Revise arguments. Correct handling of
538 nullification in long branches.
539 (output_lbranch): Add new argument to control extraction of delay
541 (output_bb): Handle long branches.
542 (output_bvb, output_dbra, output_movb, output_parallel_movb,
543 output_parallel_addb): Likewise.
545 2006-04-09 Richard Sandiford <richard@codesourcery.com>
547 PR rtl-optimization/27073
548 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
551 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
553 * tree.h (tree_memory_tag): Add old_used_alone.
554 (SMT_OLD_USED_ALONE): New macro.
555 * tree-ssa-alias.c (recalculate_used_alone): Stop
556 marking things for renaming unnecessarily.
558 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
560 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
561 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
562 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
563 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
564 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
565 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
566 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
567 spelling convensions.
568 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
569 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
570 typos. Follow spelling conventions.
572 2006-04-07 DJ Delorie <dj@redhat.com>
574 * config/m32c/m32c.c (m32c_function_arg): Structures are always
576 (m32c_init_cumulative_args): When a function returns a structure,
577 always pass the pointer to that return area on the stack.
578 (m32c_function_arg_advance): Don't increment the parameter number
579 if we're processing the returned structure pointer.
580 (pushm_info): Reverse order of registers.
582 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
584 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
585 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
586 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
587 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
589 * tree-chrec.c (chrec_fold_multiply_poly_poly,
590 chrec_fold_multiply): Same.
591 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
592 force_expr_to_var_cost): Same.
593 * tree-mudflap.c (mf_xform_derefs_1): Same.
594 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
596 2006-04-07 David Edelsohn <edelsohn@gnu.org>
598 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
599 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
602 2006-04-07 Jan Hubicka <jh@suse.cz>
604 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
606 2006-04-07 Richard Guenther <rguenther@suse.de>
608 PR tree-optimization/26135
609 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
610 loads for store copy-prop.
611 (copy_prop_visit_stmt): Likewise.
613 2006-04-05 Robert Millan <robertmh@gnu.org>
615 * gcc/config/i386/linux.h: Add a comment to mark macros that are
616 being overriden in config/k*bsd-gnu.h.
617 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
619 * gcc/config/knetbsd-gnu.h: Ditto.
621 2006-04-06 Jan Hubicka <jh@suse.cz>
625 * coverage.c (coverage_checksum_string): Reorganize loop to not read
628 2006-04-06 Mike Stump <mrs@apple.com>
630 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
631 for HAVE_nonlocal_goto to be consistent.
632 (expand_builtin_nonlocal_goto): Likewise.
633 (expand_builtin_strcmp): Use #ifdef instead of #if
634 for HAVE_cmpstrnsi to be consistent.
636 2006-04-05 DJ Delorie <dj@redhat.com>
638 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
641 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
643 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
644 got-relative addressing for anything but SImode.
646 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
647 even if the calling function doesn't modify them.
649 2006-04-05 Richard Guenther <rguenther@suse.de>
651 PR tree-optimization/26919
652 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
653 to cgraph_estimate_size_after_inlining.
655 2006-04-05 Alan Modra <amodra@bigpond.net.au>
657 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
659 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
661 PR tree-optimization/26996
662 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
663 VECTOR_TYPE variables.
665 2006-04-05 Richard Guenther <rguenther@suse.de>
667 PR tree-optimization/26763
668 * fold-const.c (fold_comparison): Move folding of
669 PTR + CST CMP PTR + CST ...
670 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
672 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
674 * doc/install.texi (Prerequisites): Refine some wording on
675 bootstrapping and ksh.
676 Move the version numbers of DejaGnu here from the testing section
677 and fix casing of names.
678 Fix markup and clarify wording for autogen requirements.
679 Refer to GCJ instead of just java.
680 Refer to SVN instead of CVS.
681 Describe diffutils as useful instead of necessary.
682 (Downloading the source): Refer to SVN instead of CVS.
683 Adjust a link to our web site accordingly.
684 (Configuration): Fix casing of Bison.
685 (Building): Refer to SVN instead of CVS.
686 Fix a sentence on the use of Bison and remove duplicate (and
687 incorrect) version number of Bison requirement.
688 Remove one redundant list of packages needed for building.
689 (Specific): Avoid reference to CVS.
691 2006-04-04 Eric Christopher <echristo@apple.com>
693 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
694 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
695 (rs6000_handle_struct_attribute): New.
696 (rs6000_ms_bitfield_layout_p): Ditto.
698 2006-04-04 Geoffrey Keating <geoffk@apple.com>
700 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
701 NULL for dso parameter to atexit_common.
703 2006-04-04 Eric Christopher <echristo@apple.com>
705 * config/i386/i386.c (machopic_output_stub): Output \t
706 between instructions and operands.
708 2006-04-04 David Edelsohn <edelsohn@gnu.org>
710 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
711 satisfies_constraint_[IL] to explicit tests on value.
713 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
715 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
716 set_nb_iterations_in_loop): Use build_int_cst instead of
718 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
719 build_int_cst instead of convert.
721 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
723 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
724 new value 2 for incoming.
725 * function.c (expand_function_start): Call struct_value_rtx
727 * config/sparc/sparc.md: Comment updated_return.
728 * config/sparc/sparc.opt: Add -mstd-struct-return option.
729 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
730 struct return if sparc_std_struct_return and incoming is 2.
731 (print_operand): Do not adjust return if
732 sparc_std_struct_return.
734 2006-04-04 Roger Sayle <roger@eyesopen.com>
736 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
737 convert in the middle-end.
738 * expr.c (store_expr, store_constructor, get_inner_reference,
739 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
741 * tree.c (build_range_type): Likewise.
743 2006-04-04 Tom Tromey <tromey@redhat.com>
745 * doc/install.texi (Prerequisites): Mention jar.
747 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
749 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
752 2006-04-04 Matthias Klose <doko@debian.org>
754 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
756 2006-04-03 Geoffrey Keating <geoffk@apple.com>
758 * doc/extend.texi (Function Attributes): Rewrite visibility
759 attribute documentation.
760 * doc/invoke.texi (C++ Dialect Options): Rewrite
761 -fvisibility-inlines-hidden documentation to describe something
762 entirely different, although in practise compatible.
763 (Code Gen Options): Warn about system headers in -fvisibiltity=
766 * doc/extend.texi (Other Builtins): Document that
767 __builtin_nan is a compile-time constant only when its argument
770 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
772 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
773 trying to remove TRUNCATE check if all bits outside the new mode
774 are identical to the sign bit.
776 2006-04-03 Jeff Law <law@redhat.com>
778 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
779 and operand scanning in some common cases.
781 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
782 Dale Johannesen <dalej@apple.com>
785 * regclass.c (struct reg_pref): Update documentation.
786 (regclass): Set prefclass to NO_REGS if memory is the best option.
787 (record_reg_classes): Cope with a prefclass set to NO_REGS.
788 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
789 into account. For non-registers, equate an empty preferred
790 reload class to a `!' in the constraint; move the if clause to
791 do so after those that reject the insn.
792 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
794 (find_dummy_reload): Likewise.
795 * doc/tm.texi (Register Classes): Document what it means
796 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
797 * config/i386/i386.c (ix86_preferred_reload_class): Force
798 using SSE registers (and return NO_REGS for floating-point
799 constants) if math is done with SSE.
800 (ix86_preferred_output_reload_class): New.
801 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
802 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
803 * config/i386/i386.md: Remove # register preferences.
805 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
808 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
809 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
811 (instantiate_parameters_1): Convert the operands before calling
812 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
813 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
815 2006-04-02 Roger Sayle <roger@eyesopen.com>
817 * builtins.c (dummy_object): Use build_int_cst instead of convert.
818 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
820 * dojump.c (do_jump): Likewise.
821 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
822 * gimplify.c (gimple_boolify, gimplify_init_constructor,
823 gimplify_boolean_expr): Likewise.
824 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
825 * varasm.c (array_size_for_constructor): Likewise.
826 * tree-object-size.c (compute_object_offset): Likewise.
828 2006-04-02 Roger Sayle <roger@eyesopen.com>
831 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
832 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
834 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
836 PR tree-optimization/26939
837 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
839 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
841 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
842 at_stmt. Convert the type of operands before calling
843 build_polynomial_chrec.
844 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
846 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
847 (instantiate_parameters_1): Convert the type of operands before calling
848 build_polynomial_chrec.
849 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
850 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
851 reset_evolution_in_loop): Insert asserts to check the types of the
853 (chrec_type): Moved...
854 (eq_evolutions_p): Use operand_equal_p.
855 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
856 the types of the operands.
857 (chrec_type): ...here.
858 * tree-data-ref.c (create_data_ref): Convert the operands before
859 calling chrec_replace_initial_condition.
860 (same_access_functions, analyze_subscript_affine_affine,
861 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
862 (compute_subscript_distance, analyze_ziv_subscript,
863 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
864 analyze_miv_subscript): Convert the operands before calling
865 chrec_fold_minus or chrec_fold_plus.
867 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
869 * tree-data-ref.c (compute_all_dependences): Use a pointer to
870 the dependence_relations vector.
871 (compute_data_dependences_for_loop): Adjust call to
872 compute_all_dependences.
874 2006-04-01 Roger Sayle <roger@eyesopen.com>
875 Richard Henderson <rth@redhat.com>
877 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
878 gimple_boolify on the condition before calling gimplify_expr.
880 2006-03-31 Bob Wilson <bob.wilson@acm.org>
882 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
883 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
884 the frame size. Update to use the new macros.
885 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
886 * config/xtensa/ieee754-df.S: Likewise.
888 2006-03-31 Richard Henderson <rth@redhat.com>
890 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
891 (make_edges): ... here. Control fallthru creation with a local
892 variable. Do not play with fake edges.
893 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
894 (make_goto_expr_edges): Don't play with fake edges. Make for_call
897 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
899 * dwarf2.h (DW64_CIE_ID): Define.
900 * dwarf2out.c (DWARF_CIE_ID): Define.
901 (output_call_frame_info): Output 0xffffffff before standard 8-byte
902 length header. Use DWARF_CIE_ID.
903 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
904 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
906 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
908 * config/sh/linux-atomic.asm: New file.
909 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
911 2006-03-31 DJ Delorie <dj@redhat.com>
913 * config/m32c/cond.md: Set condition flags properly throughout.
914 * config/m32c/minmax.md: Likewise.
915 * config/m32c/prologue.md: Likewise.
916 * config/m32c/bitops.md: Likewise.
917 * config/m32c/muldiv.md: Likewise.
918 * config/m32c/mov.md: Likewise.
919 * config/m32c/addsub.md: Likewise.
920 * config/m32c/m32c.md: Likewise.
921 * config/m32c/jump.md: Likewise.
922 * config/m32c/shift.md: Likewise.
924 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
925 conditionally output the pattern for this.
926 * config/m32c/m32c.c (flags_needed_for_conditional): New.
927 (m32c_compare_redundant): New.
928 (m32c_output_compare): New.
929 * config/m32c/m32c-protos.h (m32c_output_compare): New.
931 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
932 dest, not src. Allow other 4-byte modes.
934 2006-03-30 Denis Chertykov <denisc@overta.ru>
936 * doc/md.texi: Refer to avr/constraints.md instead of
939 2006-03-30 Roger Sayle <roger@eyesopen.com>
941 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
942 signed vs. unsigned comparison failures on some hosts.
944 2006-03-31 Alan Modra <amodra@bigpond.net.au>
947 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
948 change to FLOAT_REGS.
950 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
951 (rs6000_override_options): Use it.
952 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
953 only for -mabi=spe/no-spe and -mabi=altivec.
955 2006-03-30 Geoffrey Keating <geoffk@apple.com>
957 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
960 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
962 * Makefile.in: Rename docdir to gcc_docdir.
964 2006-03-30 Roger Sayle <roger@eyesopen.com>
967 * expr.c (emit_group_store): Optimize group stores into a pseudo
968 register by using a paradoxical subreg to initialize the destination
969 if the first or last member of the group specifies a "low part".
971 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
974 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
975 * target.h (struct gcc_target.speculate_insn): Change type of the
976 second parameter to 'int'.
977 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
978 the second operand of the DEPS_LIST.
979 (copy_DEPS_LIST_list): Update reference to the second operand of the
981 * rtl.h (alloc_DEPS_LIST): Update signature.
982 * sched-int.h (ds_t): Change typedef to 'int'.
983 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
985 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
987 * haifa-sched.c (try_ready): Change condition to restore
988 non-speculative pattern of the instruction.
989 (process_insn_depend_be_in_spec): Code to keep probability of the
990 speculative dependence non-decreasing.
992 2006-03-30 Jie Zhang <jie.zhang@analog.com>
994 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
995 (single_move_for_movmem): ... this. Also change all uses.
996 (bfin_expand_strmov): Renamed to...
997 (bfin_expand_movmem): ... this. Also change all uses.
998 * config/bfin/bfin.md (movstrsi): Renamed to...
1001 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1003 PR tree-optimization/26830
1005 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1006 (copy_prop_visit_stmt): Remove write-only variable ann.
1007 (init_copy_prop): Check variable loop depth here. Do not simulate
1008 memory-tag and virtual operand PHIs except for store copy prop.
1010 2006-03-30 Richard Guenther <rguenther@suse.de>
1012 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1013 variants with double arguments.
1015 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1017 * genpreds.c (write_tm_constrs_h): Delete variable p.
1018 * genconditions.c (write_header): Add tm-constrs.h to included
1020 * genpeep.c (main): Add toplev.h to included headers.
1021 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1022 (build/genpeep.o): Add toplev.h dependency.
1023 * config/rs6000/constraints.md: Add "W" constraint.
1025 2006-03-29 Roger Sayle <roger@eyesopen.com>
1027 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1028 sizes by correctly testing whether the size fits a host integer.
1029 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1030 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1031 SImode range for the default sizetype and bitsizetype.
1033 2006-03-29 Roger Sayle <roger@eyesopen.com>
1035 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1036 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1037 quickly if the argument is already of the correct type.
1038 Call fold_build1 instead of build1. Tidy up blank lines.
1040 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1042 * genemit.c (main): Add tm-constrs.h to included headers.
1043 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1044 * genpeep.c (main): Add tm-constrs.h to included headers.
1045 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1046 (write_tm_constrs_h): this and write complete file.
1047 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1048 (write_insn_preds_c): Add tm-constrs.h to included headers.
1049 (gen_constrs): New variable.
1050 (parse_option): Parse "-c".
1051 (main): Invoke write_tm_constrs_h.
1052 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1053 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1054 (object_out_file): Add tm-constrs.h dependency.
1055 (insn-emit.o): Same.
1056 (insn-output.o): Same.
1057 (insn-peep.o): Same.
1058 (insn-preds.o): Same.
1059 (insn-recog.o): Same.
1060 (tm-constsr.h): New target.
1061 (s-constrs-h): New target.
1063 * config/rs6000/constraints.md: New file.
1064 * config/rs6000/rs6000.c: Include tm-constrs.h.
1065 (num_insn_constant_wide): Convert to satisfies_constraint.
1066 (rs6000_rtx_costs): Convert to satisfies_constraint.
1067 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1068 (CONST_OK_FOR_LETTER_P): Delete.
1069 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1070 (EXTRA_CONSTRAINT): Delete.
1071 (EXTRA_MEMORY_CONSTRAINT): Delete.
1072 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1073 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1074 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1075 satisfies_constraint.
1077 * config/i386/i386.c: Include tm-constrs.h.
1079 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1081 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1082 * tree-data-ref.c (find_data_references_in_loop,
1083 compute_data_dependences_for_loop): Use pointers to VEC.
1084 (analyze_all_data_dependences): Adjust calls.
1085 * tree-data-ref.h (find_data_references_in_loop,
1086 compute_data_dependences_for_loop): Adjust declarations.
1087 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1088 compute_data_dependences_for_loop.
1090 2006-03-29 Paul Brook <paul@codesourcery.com>
1092 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1095 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1097 PR tree-optimization/26859
1098 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1100 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1101 for the step after fold_convert.
1103 2006-03-29 Paul Brook <paul@codesourcery.com>
1105 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1106 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1108 2006-03-29 Paul Brook <paul@codesourcery.com>
1111 * targhooks.c (default_narrow_bitfield): New fuction.
1112 * targhooks.h (default_narrow_bitfield): add prototype.
1113 * target.h (gcc_target): Add narrow_volatile_bitfield.
1114 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1115 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1116 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1117 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1119 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1121 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1123 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1124 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1125 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1126 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1127 (s390_function_arg_float): Allow SDmode and DDmode values to be
1128 passed in floating point registers.
1129 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1130 check with SCALAR_FLOAT_MODE_P.
1131 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1133 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1135 PR tree-optimization/25985
1136 * tree-ssa-loop-niter.c (number_of_iterations_le,
1137 number_of_iterations_ne): Make comments more precise.
1138 (number_of_iterations_cond): Add only_exit argument. Use the
1139 fact that signed variables do not overflow only when only_exit
1141 (loop_only_exit_p): New.
1142 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1143 number_of_iterations_cond.
1145 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1147 PR tree-optimization/26643
1148 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1151 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1153 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1154 (divsi3_i4_int): Likewise.
1156 2006-03-28 Roger Sayle <roger@eyesopen.com>
1158 * expr.c (emit_group_store): Only create a new pseudo reg if the
1159 quantity it needs to hold isn't already a suitable pseudo.
1161 2006-03-28 Jeff Law <law@redhat.com>
1163 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1164 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1166 2006-03-28 Roger Sayle <roger@eyesopen.com>
1168 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1169 the equivalent ~X & Y, and the symmetry related transformations.
1170 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1171 ~X & Y, and symmetry related transforms.
1173 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1175 Revert my 2006-03-27 patches.
1177 2006-03-28 Roger Sayle <roger@eyesopen.com>
1179 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1180 ~(T1)X, when T1 and T2 are integer types of the same precision
1181 and (T2)X isn't an extension.
1183 2006-03-28 Jeff Law <law@redhat.com>
1185 PR tree-optimization/26796
1186 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1187 need EH edge cleanups rather than purging them immediately.
1188 (eliminate_degenerate_phis): Handle queued EH cleanups.
1190 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1192 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1195 2006-03-27 Roger Sayle <roger@eyesopen.com>
1198 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1199 cast BIT_NOT_EXPR operand to the correct type.
1201 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1203 * tree-loop-linear.c: Don't include varray.h.
1204 (gather_interchange_stats, try_interchange_loops,
1205 linear_transform_loops): Use VEC instead of VARRAY.
1206 * lambda-mat.c: Don't include varray.h.
1207 * tree-chrec.c: Same.
1208 * lambda-trans.c: Same.
1209 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1210 VEC instead of VARRAY.
1211 * tree-vectorizer.h: Idem.
1212 * tree-data-ref.c (dump_data_references,
1213 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1214 initialize_data_dependence_relation, finalize_ddr_dependent,
1215 compute_all_dependences, find_data_references_in_loop,
1216 compute_data_dependences_for_loop, analyze_all_data_dependences,
1217 free_dependence_relation, free_dependence_relations,
1218 free_data_refs): Idem.
1219 * tree-data-ref.h (data_reference_p, subscript_p): New.
1220 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1221 VEC instead of VARRAY.
1222 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1223 (find_data_references_in_loop, compute_data_dependences_for_loop,
1224 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1225 dump_data_dependence_relations, free_dependence_relations,
1226 free_data_refs): Adjust declaration.
1227 (lambda_transform_legal_p): Move declaration here...
1228 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1229 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1230 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1231 vect_analyze_data_refs): Use VEC instead of VARRAY.
1232 * lambda.h (lambda_transform_legal_p): ...from here.
1233 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1234 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1235 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1236 tree-chrec.o): Don't depend on VARRAY_H.
1238 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1240 * rtl.def (Copyright): Update date.
1241 (DEPS_LIST): Change type of the second operand to 'int'.
1242 * target.h (Copyright): Update date.
1243 (struct gcc_target.speculate_insn): Change type of the second parameter
1245 * lists.c (Copyright): Update date.
1246 (alloc_DEPS_LIST): Change signature. Update reference to the second
1247 operand of the DEPS_LIST.
1248 (copy_DEPS_LIST_list): Update reference to the second operand of the
1250 * rtl.h (Copyright): Update date.
1251 (alloc_DEPS_LIST): Update signature.
1252 * sched-int.h (Copyright): Update date.
1253 (ds_t): Change typedef to 'int'.
1254 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1256 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1258 * haifa-sched.c (Copyright): Update date.
1259 (try_ready): Change condition to restore non-speculative pattern
1261 (process_insn_depend_be_in_spec): Code to keep probability of the
1262 speculative dependence non-decreasing.
1264 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1266 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1267 shut up the compiler.
1269 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1271 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1272 to use lib prefix for target.
1273 ($(T)libic_invalidate_array_4-200.a): Likewise.
1274 ($(T)libic_invalidate_array_4a.a): Likewise.
1276 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1277 J"orn Rennecke <joern.rennecke@st.com>
1279 * superh.opt: New file.
1280 * sh.c (boardtype, osruntime): Remove.
1281 * superh.h (SUBTARGET_OPTIONS): Remove.
1282 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1284 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1285 arguments with ^ and/or [].
1287 * config.gcc (sh-*-*): Add quoting to account for quirk of
1289 Replace == with = in enable_incomplete_targets test.
1291 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1292 with MASK_LITTLE_ENDIAN.
1294 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1295 * config/sh/sh.opt: Added to some comments.
1296 * config/sh/superh.h: Removed some chaff.
1298 * config/sh/sh.opt: Add m4-[1234]00* options.
1299 * config/sh/sh.c (sh_handle_option): Likewise.
1300 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1301 (ic_invalidate_array_4-100.o): New rule.
1302 ($(T)libic_invalidate_array_4-100.a): Likewise.
1303 (ic_invalidate_array_4-200.o): Likewise.
1304 ($(T)libic_invalidate_array_4-200.a): Likewise.
1305 (ic_invalidate_array_4a.o): Likewise.
1306 ($(T)libic_invalidate_array_4a.a): Likewise.
1307 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1308 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1310 * config/sh/crt1.asm: Merged in profiling code.
1311 * config/sh/superh.h (STARTFILE_SPEC): Override.
1312 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1313 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1314 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1316 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1317 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1318 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1320 * sh.opt (mpretend-cmove): New option.
1321 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1322 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1323 (movsicc): Add TARGET_PRETEND_CMOVE code.
1325 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1327 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1328 s390_class_max_nregs): New function prototypes.
1329 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1330 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1331 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1332 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1334 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1336 * dwarf2out.c (add_location_or_const_value_attribute): Call
1337 tree_add_const_value_attribute if nothing else works.
1338 (reference_to_unused): New.
1339 (rtl_for_decl_init): Use reference_to_unused to decide whether
1340 to output an initializer.
1342 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1345 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1346 peephole removing spe frob_di_df_2.
1348 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1350 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1351 (subscript_dependence_tester_1): Declared.
1352 (print_dir_vectors, print_dist_vectors): New.
1353 (debug_data_dependence_relation): New.
1354 (dump_data_dependence_relation): Print more details.
1355 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1356 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1357 (save_dist_v, save_dir_v, add_outer_distances,
1358 build_classic_dist_vector_1): New.
1359 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1360 Don't test for lambda_vector_lexico_pos.
1361 (same_access_functions, add_multivariate_self_dist,
1362 add_other_self_distances, dir_from_dist): New.
1363 (build_classic_dir_vector): Replace implementation almost identical to
1364 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1366 (subscript_dependence_tester_1): New.
1367 (subscript_dependence_tester): Handle the lexicographically negative
1368 distance vectors by recomputing the dependence relation.
1369 (compute_affine_dependence): Remove parameter loop_nest_depth.
1370 (compute_self_dependence): Don't call compute_subscript_distance.
1371 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1372 Add a parameter for the loop_nest.
1373 (find_loop_nest_1, find_loop_nest): New.
1374 (compute_data_dependences_for_loop): Compute the loop nest, and give
1375 up if the nest is not well formed.
1376 * tree-data-ref.h (loop_p): New.
1377 (struct data_dependence_relation): Replace size_vect field with
1378 loop_nest, a vec of loops.
1379 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1380 (DDR_LOOP_NEST): New.
1381 (print_dir_vectors, print_dist_vectors,
1382 debug_data_dependence_relation): Declared.
1383 (index_in_loop_nest): New.
1384 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1385 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1388 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1390 * simplify-rtx.c (simplify_relational_operation): Call
1391 simplify_relational_operation_1 even if mode is VOIDmode.
1393 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1395 PR tree-optimization/26804
1396 * tree.h (DECL_CALL_CLOBBERED): New macro.
1397 (tree_decl_common): Add call_clobbered_flag.
1398 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1399 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1400 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1401 (mark_non_addressable): Ditto.
1402 * tree-ssa.c (verify_call_clobbered): New function.
1403 (verify_alias_info): Use it.
1404 * tree-pass.h (pass_reset_cc_flags): New prototype.
1405 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1406 (reset_cc_flags): New function.
1407 * passes.c (init_optimization_passes): Call reset_cc_flags after
1408 initializing referenced_vars.
1410 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1411 Roger Sayle <roger@eyesopen.com>
1414 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1415 to 1.0 for non-real operands. Implement A / A optimization for
1418 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1420 * config/i386/i386.c (size_cost): Correct the comment for
1421 cost of storing fp registers.
1422 (i386_cost): Likewise.
1423 (i486_cost): Likewise.
1424 (pentium_cost): Likewise.
1425 (pentiumpro_cost): Likewise.
1426 (k6_cost): Likewise.
1427 (athlon_cost): Likewise.
1428 (k8_cost): Likewise.
1429 (pentium4_cost): Likewise.
1430 (nocona_cost): Likewise.
1431 (generic64_cost): Likewise.
1432 (generic32_cost): Likewise.
1434 2006-03-24 Denis Chertykov <denisc@overta.ru>
1436 * config/avr/avr-protos.h (extra_constraint): Delete.
1437 (extra_constraint_Q): New declaration.
1438 * config/avr/constraints.md: New file.
1439 * config/avr/avr.md: Include it.
1440 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1441 (TMP_REGNO, ZERO_REGNO): Likewise.
1442 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1443 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1444 (extra_constraint): Delete.
1445 (extra_constraint_Q): Test for memory constraint 'Q'.
1446 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1447 (REG_CLASS_FROM_LETTER): Delete.
1448 (CONST_OK_FOR_LETTER_P): Delete.
1449 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1450 (EXTRA_CONSTRAINT): Delete.
1451 (TMP_REGNO): Delete.
1452 (ZERO_REGNO): Delete.
1454 2006-03-24 Jeff Law <law@redhat.com>
1456 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1457 directly. Call mark_new_vars_to_rename slightly earlier.
1459 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1461 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1463 (gen_compile_unit_die): Use new language types for Objective-C and
1465 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1466 DW_LANG_C_plus_plus.
1469 * config/t-darwin (crt3.o): Work around bug 26840.
1470 * config/darwin-crt3.c: Rewrite.
1471 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1473 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1475 * doc/invoke.texi: Document -femit-class-debug-always
1476 * common.opt: Add -femit-class-debug-always.
1478 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1480 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1481 index and base register.
1482 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1483 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1484 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1485 REGNO_OK_FOR_INDEX_P.
1486 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1488 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1489 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1490 REG_OK_FOR_BASE_P): Definitions removed.
1492 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1495 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1496 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1497 set yet or weren't marked as local yet.
1499 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1501 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1504 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1506 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1507 (rs6000_legitimate_small_data_p): Delete.
1508 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1509 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1510 and make static. Add forward declaration. Update uses.
1511 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1512 of offsettable_memref_p.
1513 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1514 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1516 2006-03-24 Jeff Law <law@redhat.com>
1518 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1519 around bug in immediate-use iterator.
1521 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1524 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1525 or __LITTLE_ENDIAN__.
1527 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1529 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1530 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1531 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1532 * config/sh/sh.opt (mdiv=): Amend description.
1533 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1534 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1535 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1536 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1537 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1538 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1539 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1540 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1541 TARGET_DIVIDE_CALL_FP.
1543 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1545 * haifa-sched.c (choose_ready): Fix type of the local variable.
1546 Move local variables. Add comment.
1547 (check_reg_live): Change signature. Make callable from debugger.
1548 * sched-int.h (check_reg_live): Update signature.
1549 * sched-ebb.c (check_reg_live): Update parameters.
1550 * sched-rgn.c (check_reg_live): Ditto.
1551 (region_head_or_leaf_p): Check pointer before dereferencing.
1552 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1553 before reload on optimization levels below 1.
1555 2006-03-23 Richard Henderson <rth@redhat.com>
1557 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1561 * config/alpha/predicates.md (local_symbolic_operand): Reject
1564 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1567 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1568 expressions which have overflowed constants.
1570 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1572 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1574 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1576 * cfgloopmanip.c (create_loop_notes): Removed.
1577 * final.c (final_scan_insn): Do not handle loop notes.
1578 * jump.c (squeeze_notes): Ditto.
1579 * cfglayout.c (skip_insns_after_block,
1580 duplicate_insn_chain): Ditto.
1581 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1583 * cfgloop.h (create_loop_notes): Declaration removed.
1585 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1587 * varasm.c (output_constant_pool): Restore fnname and fndecl
1589 (assemble_start_function): Adjust call accordingly.
1590 (assemble_end_function): Likewise.
1592 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1595 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1598 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1600 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1603 * system.h (ICE_EXIT_CODE): New macro.
1604 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1605 (diagnostic_action_after_output): Likewise.
1606 * gcc.c (fatal_ice): New function.
1607 (execute): Use it instead of fatal.
1608 (fancy_abort): Likewise.
1609 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1611 2006-03-22 Jeff Law <law@redhat.com>
1613 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1614 iv_analyze_result returning false.
1616 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1618 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1620 2006-03-22 Richard Henderson <rth@redhat.com>
1623 * except.c (duplicate_eh_regions_0): New.
1624 (duplicate_eh_region_1): Duplicate the children of the node as
1625 well as the node itself. Link them up properly.
1626 (duplicate_eh_region_2): Merge into ...
1627 (duplicate_eh_regions): ... here. Take copy_region argument, and
1628 copy only a sub-tree if asked. Simplify copying and fixup.
1629 (eh_region_outer_p): New.
1630 * except.h (duplicate_eh_regions): Update decl.
1631 (eh_region_outer_p): Declare.
1632 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1633 (lower_omp_master): Likewise.
1634 (lower_omp_ordered): Likewise.
1635 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1636 (move_stmt_r): Use it to remap labels. Handle recursion vs
1637 remap_decls_p properly.
1638 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1639 (find_outermost_region_in_block): New.
1640 (new_label_mapper): New.
1641 (move_sese_region_to_fn): Copy eh information to the new function
1643 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1645 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1648 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1650 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1651 into shared libraries.
1653 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1655 * doc/md.texi: Refer to i386/constraints.md instead of
1657 * config/i386/constraints.md: New file, extracted from...
1658 * config/i386/predicates.md: ...here.
1659 * config/i386/i386.md: Include constraints.md.
1661 2006-03-21 Jason Merrill <jason@redhat.com>
1663 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1666 * expr.c (init_block_move_fn): Force default visibility.
1667 (init_block_clear_fn): Likewise.
1668 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1669 * targhooks.c (default_external_stack_protect_fail): Likewise.
1671 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1673 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1674 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1675 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1676 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1677 (loadgp): Use mips_current_loadgp_style.
1678 (loadgp_noshared): New pattern.
1679 (sibcall_internal): Use MIPS_CALL.
1680 (sibcall_value_internal): Likewise.
1681 (sibcall_value_multiple_internal): Likewise.
1682 (call_internal): Likewise.
1683 (call_value_internal): Likewise.
1684 (call_value_multiple_internal): Likewise.
1685 (call_split): Use MIPS_CALL and add an 'S' constraint.
1686 (call_value_split): Likewise.
1687 (call_value_multiple_split): Likewise.
1688 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1689 (-mshared): New option.
1690 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1691 (mips_current_loadgp_style): Declare.
1692 * config/mips/mips.c (mips_classify_symbol): Avoid using
1693 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1694 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1695 TARGET_ABSOLUTE_ABICALLS.
1696 (override_options): Adjust comments. Improve the warning that is
1697 issued when -mabicalls and -G are used together.
1698 (mips_file_start): Remove comment.
1699 (mips_current_loadgp_style): New function.
1700 (mips_gnu_local_gp): New variable.
1701 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1703 (mips_output_function_prologue): Use mips_current_laodgp_style.
1704 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1705 the cprestore instruction.
1706 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1707 live for TARGET_ABSOLUTE_ABICALLS.
1708 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1709 (ASM_SPEC): Pass down -mshared and -mno-shared.
1710 (MIPS_CALL): New macro.
1711 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1713 * doc/invoke.texi (-mabicalls): Update documentation.
1714 (-mshared): Document.
1716 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1718 * config/ia64/unwind-hpux.c: New file.
1719 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1721 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1724 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1726 2006-03-21 Jeff Law <law@redhat.com>
1728 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1729 type conversions of a VR_VARYING source to a wider type.
1731 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1733 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1734 tm_file on Solaris 10 and later.
1735 (sparc64-*-solaris2*): Likewise.
1736 (sparc-*-solaris2*): Likewise.
1737 * config/sol26.h: Rename to config/sol2-6.h.
1738 * config/sol2-10.h: New file.
1740 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1743 * tree-ssa-pre.c (create_component_ref_by_pieces):
1746 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1749 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1750 return it immediately.
1752 2006-03-21 Michael Matz <matz@suse.de>
1754 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1756 (remove_arc, add_arc): Update num_out_arcs member.
1757 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1759 (cache_presence): New function.
1760 (compare_states_for_equiv): New function.
1761 (state_is_differed): Don't take number of outargs, adjust callers.
1762 Use new invariant for speeding up.
1763 (init_equiv_class): Create initial classes based on sorted
1765 (partition_equiv_class): Don't track out_arcs_num.
1766 (evaluate_equiv_classes): Call cache_presence on all states and
1769 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1771 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1772 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1773 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1774 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1776 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1777 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1778 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1779 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1780 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1782 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1783 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1784 (REGNO_REG_CLASS): ARGP is in PREGS.
1785 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1787 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1788 to deal with those addresses.
1789 * addresses.h: New file.
1790 * caller-save.c: Include "addresses.h".
1791 (init_caller_save): Use new base_reg_class function.
1792 * rtl-factoring.c: Include "addresses.h".
1793 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1794 * recog.c: Include "addresses.h".
1795 (preprocess_constraints): Use new base_reg_class function.
1796 * regrename.c: Include "addresses.h".
1797 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1798 functions. Keep track of a new var INDEX_CODE to compute valid
1800 (replace_oldest_value_addr): Likewise.
1801 (replace_oldest_value_mem): Use base_reg_class.
1802 * reload.c: Include "addresses.h".
1803 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1804 (find_reloads): Use new base_reg_class function.
1805 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1806 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1807 all callers and prototype changed.
1808 * reload1.c: Include "addresses.h".
1809 (maybe_fix_stack_asms): Use base_reg_class.
1810 * regclass.c: Include "addresses.h".
1811 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1812 (init_reg_autoinc): Use new base_reg_class function.
1813 (record_reg_classes): Likewise.
1814 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1815 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1816 Use new args to compute necessary class.
1818 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1819 regrename.o, rtl-factoring.o): Update dependencies.
1820 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1821 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1822 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1823 REG_OK_FOR_INDEX_P): Delete documentation.
1825 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1827 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1828 from V7 to V9 for Solaris 7 and above.
1830 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1832 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1833 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1834 argument pointers may not alias any other storage.
1835 * common.opt: Define option -fargument-noalias-anything.
1836 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1837 alias semantics is specified by flag_argument_noalias > 2.
1839 2006-03-20 Jeff Law <law@redhat.com>
1841 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1842 (pass_phi_only_cprop): Declare.
1843 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1845 * tree-ssa-dom.c (degenerate_phi_result): New function.
1846 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1847 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1848 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1849 (eliminate_degenerate_phis): Likewise.
1850 (pass_phi_only_cprop): New pass descriptor.
1851 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1852 support code. Callers updated.
1853 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1854 (store_copy_prop): Likewise.
1855 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1857 2006-03-20 Jason Merrill <jason@redhat.com>
1860 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1861 (push_visibility, pop_visibility): Likewise.
1862 * c-pragma.h: Declare them.
1864 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1866 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1868 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1869 parameter and use get_ebb_head_tail.
1870 (sh_md_init_global): Adjust uses of find_regmode_weight.
1872 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1874 * function.h (struct function) <x_tail_recursion_reentry>:
1875 Rename to x_stack_check_probe_note.
1876 (tail_recursion_reentry): Rename to stack_check_probe_note.
1877 * function.c: Replace tail_recursion_reentry with
1878 stack_check_probe_note everywhere.
1879 (expand_function_start): Only emit a note for
1880 stack_check_probe_note with -fstack-protect.
1881 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1883 * emit-rtl.c (remove_unnecessary_notes): Remove.
1884 (pass_remove_unnecessary_notes): Remove.
1885 * rtl.h (remove_unnecessary_notes): Remove prototype.
1886 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1887 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1888 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1890 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1893 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1894 (valid_in_set): Handle ARRAY_REF.
1895 Change "if min_variant or VH" to asserts.
1896 (create_component_ref_by_pieces): Handle ARRAY_REF.
1897 (create_expression_by_pieces): Likewise.
1898 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1900 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1902 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1903 is operand of switch, not str[0].
1905 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1907 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1908 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1910 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1912 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1913 end of insn_extra_address_constraint declaration.
1915 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1917 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1918 (no-sum-in-toc): Same.
1919 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1921 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1922 NO_FP_IN_TOC for -fPIC instead of mask.
1924 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1925 (BOOT_LDFLAGS): Delete.
1927 * config/rs6000/t-aix52: Same.
1929 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1930 (stmsi[345678]_power): New.
1932 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1934 * config/ia64/ia64.opt: Add empty line to end of file.
1936 2006-03-17 Richard Guenther <rguenther@suse.de>
1939 * builtins.c (get_pointer_alignment): For component style references
1940 adjust alignment to the component type alignment. Make sure
1941 to adjust alignment for component access of constants.
1943 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1945 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1948 2006-03-17 Paul Brook <paul@codesourcery.com>
1950 * doc/install.texi: Docuemnt --with-mode.
1951 * config.gcc: Add --with-mode for arm*-*-*.
1952 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1954 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1956 * sh.c (max_labelno_before_reorg): New variable.
1957 (sh_reorg): Initialize it.
1958 (find_barrier): Check max_labelno_before_reorg before using
1959 label_to_alignment. Take length of explicit alignment insns
1960 into account. When seeing a UNSPECV_CONST_END, return it.
1962 * sh.c (fixup_mova): Set mode of affected label to QImode.
1963 (untangle_mova): New function.
1964 (find_barrier): Use it. Check mode of label before decrementing
1966 (sh_reorg): Likewise.
1967 Set mode of all insns back to VOIDmode.
1969 * sh.c (MOVA_LABELREF): New macro.
1970 (mova_p, fixup_mova, sh_reorg): Use it.
1971 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1972 ADDR_DIFF_VEC matches mova.
1974 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1976 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1977 with ATTRIBUTE_UNUSED.
1979 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1981 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1982 pointer, instead of assuming it is possible to derive the
1983 correct args size from a call insn.
1985 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1987 * rtl.h (CONST_INT_P): Define.
1988 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1989 instead of GET_CODE(x) == CONST_INT.
1990 (vax_rtx_costs): Likewise.
1991 (vax_output_int_move): Likewise.
1992 (vax_output_int_add): Likewise.
1993 (legitimate_constant_address_p): Likewise.
1994 (index_term_p): Likewise.
1995 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1996 * config/vax/vax.md (and<mode>3): Likewise.
1997 (ashrsi3): Likewise.
1999 (movstricthi): Likewise.
2000 (movstrictqi): Likewise.
2001 (rotrsi3): Likewise.
2002 (five unnamed insns): Likewise.
2004 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2006 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2007 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2008 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2009 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2010 Pass to ASM_OUTPUT_DWARF_OFFSET.
2011 * dwarf2out.c (debug_frame_section): New.
2012 (output_call_frame_info): Use debug_frame_section. Pass it to
2013 dw2_asm_output_offset.
2014 (output_die): Pass appropriate section to dw2_asm_output_offset.
2015 (output_compilation_unit_header): Likewise.
2016 (output_pubnames): Likewise.
2017 (output_aranges): Likewise.
2018 (enum dw_val_class): Break dw_val_class_lbl_offset into
2019 dw_val_class_lineptr and dw_val_class_macptr.
2020 (add_AT_lbl_offset): Delete.
2021 (add_AT_lineptr): New.
2022 (add_AT_macptr): New.
2023 (AT_lbl): Expect a lineptr or macptr.
2024 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2025 (attr_checksum): Likewise.
2026 (same_dw_val_p): Likewise.
2027 (size_of_die): Likewise.
2028 (value_format): Likewise.
2029 (output_die): Likewise.
2030 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2032 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2033 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2034 * config/darwin-protos.h (darwin_file_start): New.
2035 (darwin_asm_output_dwarf_offset): New.
2036 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2037 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2039 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2040 if not EH section; simplify.
2041 (darwin_file_start): New.
2042 (darwin_asm_output_dwarf_offset): New.
2043 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2045 (DEBUG_INFO_SECTION): Likewise.
2046 (DEBUG_ABBREV_SECTION): Likewise.
2047 (DEBUG_ARANGES_SECTION): Likewise.
2048 (DEBUG_MACINFO_SECTION): Likewise.
2049 (DEBUG_LINE_SECTION): Likewise.
2050 (DEBUG_LOC_SECTION): Likewise.
2051 (DEBUG_PUBNAMES_SECTION): Likewise.
2052 (DEBUG_STR_SECTION): Likewise.
2053 (DEBUG_RANGES_SECTION): Likewise.
2054 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2055 (ASM_OUTPUT_DWARF_OFFSET): New.
2057 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2059 * config.gcc (tm_defines): Always add to previous value rather
2062 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2064 * config/mips/predicates.md (splittable_const_int_operand): New,
2065 split from move_operand.
2066 (splittable_symbolic_operand): New.
2067 (move_operand): Add commentary. Use splittable_const_int_operand.
2068 Inline mips_atomic_symbolic_constant_p.
2069 * config/mips/mips.md: Add combine splitters for handling moves
2070 of splittable_const_int_operands and splittable_symbolic_operands.
2071 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2072 (mips_split_symbol): Declare.
2073 (mips_move_integer): Declare.
2074 * config/mips/mips.c (mips_split_p): Make global.
2075 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2076 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2077 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2078 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2079 (mips_offset_within_object_p): Handle block symbols.
2080 (mips_atomic_symbolic_constant_p): Delete.
2081 (mips_cannot_force_const_mem): Return false for constants that
2082 mips_legitimize_move can handle.
2083 (mips_use_blocks_for_constant_p): New function.
2084 (mips_split_symbol): Make global.
2085 (mips_move_integer): Likewise. Add a temporary register argument.
2086 (mips_legitimize_const_move): Use splittable_const_int_operand and
2087 splittable_symbolic_operand.
2088 (mips_use_anchors_for_symbol_p): New function.
2089 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2090 (mips_split_p): Declare.
2092 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2094 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2095 (mips*-*-linux*): Likewise.
2097 2006-03-16 Roger Sayle <roger@eyesopen.com>
2098 Daniel Speyer <dspeyer@wam.umd.edu>
2101 * tree-dump.c (dump_real): New function.
2102 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2103 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2104 (tree-dump.o): Add $(REAL_H) to the dependencies.
2106 2006-03-16 Roger Sayle <roger@eyesopen.com>
2109 * real.c (real_from_string): If the mantissa is zero, don't bother
2110 parsing the exponent as the result should always be zero.
2112 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2114 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2116 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2118 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2119 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2120 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2121 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2122 ia64_sched_finish_global): New static functions to implement
2123 hooks from gcc_target.sched.
2124 (spec_check_no, max_uid, pending_data_specs): New static variables.
2125 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2126 ia64_spec_check_src_p): New static functions.
2127 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2128 (TARGET_SCHED_ADJUST_COST): Removed.
2129 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2130 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2131 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2132 TARGET_SCHED_GEN_CHECK,
2133 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2134 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2135 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2136 Fixed to handle speculation checks.
2137 (rtx_needs_barrier): Fixed to handle speculative loads and
2139 (ia64_variable_issue): Added code to count speculative loads and their
2141 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2143 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2145 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2147 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2148 (ia64_reorg): Reset stops_p to NULL after it is freed.
2149 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2150 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2151 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2153 (data_speculative, control_speculative, check_load): New attributes.
2154 (mov<mode>_advanced, mov<mode>_speculative,
2155 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2156 zero_extend<mode>di2_speculative,
2157 zero_extend<mode>di2_speculative_advanced): New patterns for
2158 data and control speculative loads.
2159 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2161 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2162 New pattern for data and control speculation checks.
2163 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2164 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2165 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2166 Auxiliary definitions for the patterns.
2167 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2168 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2170 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2172 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2173 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2174 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2175 New resource constraints.
2176 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2178 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2179 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2180 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2181 msched-in-control-spec, msched-ldc, msched-control-ldc,
2182 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2183 msched-prefer-non-control-spec-insns,
2184 msched-count-spec-in-critical-path): New flags to tune speculative
2186 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2187 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2188 msched-in-control-spec, msched-ldc, msched-control-ldc,
2189 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2190 msched-prefer-non-control-spec-insns,
2191 msched-count-spec-in-critical-path): Document new flags.
2193 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2195 * target.h (struct spec_info_def): New opaque declaration.
2196 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2197 speculate_insn, needs_block_p, gen_check,
2198 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2199 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2200 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2201 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2202 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2203 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2205 (TARGET_SCHED): Use new macros.
2206 * rtl.h (copy_DEPS_LIST_list): New prototype.
2207 * sched-int.h (struct sched_info): Change signature of new_ready field,
2208 adjust all initializations. New fields: add_remove_insn,
2209 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2210 region_head_or_leaf_p.
2211 (struct spec_info_def): New structure declaration.
2212 (spec_info_t): New typedef.
2213 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2214 recovery_block, orig_pat.
2215 (glat_start, glat_end): New variables declaraions.
2216 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2218 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2219 DETACH_LIFE_INFO, USE_GLAT.
2220 (enum SPEC_SCHED_FLAGS): New enumeration.
2221 (NOTE_NOTE_BB_P): New macro.
2222 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2223 attach_life_info, debug_spec_status, check_reg_live): New functions.
2224 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2225 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2227 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2228 * ddg.c (get_block_head_tail): Adjust all uses.
2229 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2230 (sms_sched_info): Initialize new fields.
2231 (contributes_to_priority): Removed.
2232 * haifa-sched.c (params.h): New include.
2233 (get_block_head_tail): Adjust all uses.
2234 (ISSUE_POINTS): New macro.
2235 (glat_start, glat_end): New global variables.
2236 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2237 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2238 old_last_basic_block, before_recovery, current_sched_info_var,
2239 rgn_n_insns, luid): New static variables.
2240 (insn_cost1): New function. Move logic from insn_cost to here.
2241 (find_insn_reg_weight1): New function. Move logic from
2242 find_insn_reg_weight to here.
2243 (reemit_notes, move_insn, max_issue): Change signature.
2244 (move_insn1): Removed.
2245 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2246 extend_bb): New static functions to support extension of scheduler's
2248 (generate_recovery_code, process_insn_depend_be_in_spec,
2249 begin_speculative_block, add_to_speculative_block,
2250 init_before_recovery, create_recovery_block, create_check_block_twin,
2251 fix_recovery_deps): New static functions to support
2252 generation of recovery code.
2253 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2254 restore_bb_notes, move_block_after_check, move_succs): New static
2255 functions to support ebb scheduling.
2256 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2257 functions to support handling of register live information.
2258 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2259 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2260 add_jump_dependencies): New static functions.
2261 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2262 consistancy checking.
2263 (debug_spec_status): New function to call from debugger.
2264 (priority): Added code to handle speculation checks.
2265 (rank_for_schedule): Added code to distinguish speculative instructions.
2266 (schedule_insn): Added code to handle speculation checks.
2267 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2268 Fixed to handle ebbs.
2269 (move_insn): Added code to handle ebb scheduling.
2270 (max_issue): Added code to use ISSUE_POINTS of instructions.
2271 (choose_ready): Added code to choose between speculative and
2272 non-speculative instructions.
2273 (schedule_block): Added code to handle ebb scheduling and scheduling of
2274 speculative instructions.
2275 (sched_init): Initialize new variables.
2276 (sched_finish): Free new variables. Print statistics.
2277 (try_ready): Added code to handle speculative instructions.
2278 * lists.c (copy_DEPS_LIST_list): New function.
2279 * sched-deps.c (extend_dependency_caches): New function. Move logic
2280 from create_dependency_caches to here.
2281 (get_dep_weak, ds_merge): Make global.
2282 * genattr.c (main): Code to output prototype for
2283 dfa_clear_single_insn_cache.
2284 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2285 (output_dfa_clean_insn_cache_func): Code to output
2286 dfa_clear_single_insn_cache function.
2287 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2289 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2291 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2292 New static variables.
2293 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2294 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2296 (ebb_sched_info): Initialize new fields.
2297 (get_block_head_tail): Adjust all uses.
2298 (compute_jump_reg_dependencies): Fixed to use glat_start.
2299 (schedule_ebb): Code to remove unreachable last block.
2300 (schedule_ebbs): Added code to update register live information.
2301 * sched-rgn.c (region_sched_info): Initialize new fields.
2302 (get_block_head_tail): Adjust all uses.
2303 (last_was_jump): Removed. Adjust users.
2304 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2305 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2306 Implement new hooks.
2307 (check_dead_notes1): New static function.
2308 (struct region): New fields: dont_calc_deps, has_real_ebb.
2309 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2310 (BB_TO_BLOCK): Fixed to handle EBBs.
2311 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2312 (ebb_head): New static variable.
2313 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2314 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2316 (compute_dom_prob_ps): New assertion.
2317 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2318 global_live_at_start.
2319 (init_ready_list): New assertions.
2320 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2321 (new_ready): Add support for BEGIN_CONTROL speculation.
2322 (schedule_insns): Fixed code that updates register live information
2324 (schedule_region): Fixed to handle EBBs.
2325 (init_regions): Use extend_regions and check_dead_notes1.
2326 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2327 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2328 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2329 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2330 TARGET_SCHED_GEN_CHECK,
2331 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2332 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2333 * doc/invoke.texi (max-sched-insn-conflict-delay,
2334 sched-spec-prob-cutoff): Document.
2336 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2338 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2339 inter_tick, queue_index.
2340 (struct sched_info): Change signature of init_ready_list field.
2341 Adjust all initializations.
2342 (RESOLVED_DEPS): New access macro.
2343 (ready_add): Remove prototype.
2344 (try_ready): Add prototype.
2345 * sched-rgn.c (init_ready_list): Use try_ready.
2346 (schedule_region): Initialize
2347 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2348 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2349 (init_ready_list): Use try_ready.
2350 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2351 * lists.c (remove_list_elem): Remove `static'.
2352 (remove_free_INSN_LIST_elem): New function.
2353 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2354 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2355 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2357 (readyp): New variable.
2358 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2359 change_queue_index, resolve_dep): New static functions.
2360 (try_ready): New function. Adjust callers in sched-rgn.c and
2361 sched-ebb.c to use it instead of ready_add.
2362 (clock_var): Move at the begining of file.
2363 (rank_for_schedule): Fix typo.
2364 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2365 (ready_lastpos): Enforce assertion.
2366 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2368 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2369 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2370 (queue_to_ready): Use free_INSN_LIST_list.
2371 (early_queue_to_ready): Fix typo.
2372 (schedule_block): Init readyp. Move init_ready_list call after the
2373 initialization of clock_var. Fix error in rejecting insn by
2374 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2375 that previously corrected INSN_TICKs. Add code for handling
2377 (set_priorities): Fix typo.
2378 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2379 Clarify comment and code that keeps current_sched_info->next_tail
2382 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2384 * sched-rgn.c (extend_rgns): New static function.
2385 (find_rgns): Use it.
2386 (gather_region_statistics, print_region_statistics): New static
2388 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2389 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2391 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2392 Andrey Belevantsev <abel@ispras.ru>
2394 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2395 * lists.c (unused_deps_list): New variable.
2396 (free_list): Add assertions to verify the proper distinguishing
2397 between INSN_LISTs and DEPS_LISTs.
2398 (find_list_elem, remove_list_elem, remove_list_node): New static
2400 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2401 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2402 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2403 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2405 (free_INSN_LIST_node): Likewise.
2406 * modulo-sched.c (current_sched_info): Initialize flags field.
2407 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2408 * rtl.def (DEPS_LIST): Define.
2409 * rtl.h: Declare new functions from lists.c.
2410 * sched-deps.c (spec_dependency_cache): New static variable.
2411 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2412 (add_dependence): Change return type to void. Move the logic to ...
2413 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2414 (delete_all_dependences): Add comment about forward_dependency_cache.
2415 Handle spec_dependency_cache. Handle DEPS_LISTs.
2416 (fixup_sched_groups): Clarify the change of priority of output
2417 and anti dependencies.
2418 (sched_analyze_2): Adjust add_dependence calls to create data
2419 speculative dependence.
2420 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2421 Adjust all callers. Handle DEPS_LISTS.
2422 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2423 presence of speculation.
2424 (init_dependency_caches, free_dependency_caches):
2425 Handle spec_dependency_cache.
2426 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2427 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2428 New static functions.
2429 (add_or_update_back_dep, add_or_update_back_forw_dep,
2430 add_back_forw_dep, delete_back_forw_dep): New functions.
2431 * sched-int.h (ds_t, dw_t): New typedefs.
2432 (struct sched_info): Add new field flags.
2433 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2434 Prototype new sched-deps.c functions.
2435 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2436 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2437 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2438 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2439 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2440 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2442 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2444 * sched-rgn.c (current_sched_info): Initialize flags field.
2445 (schedule_insns): Initialize current_sched_info before the sched_init
2447 * sched-ebb.c (current_sched_info): Initialize flags field.
2448 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2449 Call add_or_update_back_dep instead of add_dependence.
2450 Create control speculative dependencies.
2451 (schedule_insns): Initialize current_sched_info before the sched_init
2454 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2456 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2458 (sh_fallback_frame_state): Likewise.
2460 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2462 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2463 Do switch on default_use_cxa_atexit.
2464 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2465 * config/darwin-crt3.o: New.
2466 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2467 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2468 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2470 * config/rs6000/t-darwin: Move crt2.o building to here.
2471 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2472 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2475 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2477 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2478 from '! xxx' to '!xxx' for coding-style conformance.
2479 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2480 (EXTRA_CONSTRAINT): Likewise.
2481 * config/vax/vax.md (four unnamed insns): Likewise.
2483 2006-03-15 Paul Brook <paul@codesourcery.com>
2485 * config/arm/arm.c (minipool_pad): New.
2486 (add_minipool_forward_ref): Include pool alignment padding in address
2488 (push_minipool_fix): Set minipool_pad.
2489 (minipool_pad): Ditto.
2491 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2493 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2494 instead of GET_CODE() == MEM and REG_P() instead of
2496 (print_operand_address): Likewise.
2497 (vax_address_cost): Likewise.
2498 (vax_rtx_costs): Likewise.
2499 (vax_notice_update_cc): Likewise.
2500 (vax_output_int_add): Likewise.
2501 (INDEX_REGISTER_P): Likewise.
2502 (BASE_REGISTER_P): Likewise.
2503 (nonindexed_address_p): Likewise.
2504 (vax_mode_dependent_address_p): Likewise.
2505 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2506 (PRINT_OPERAND): Likewise.
2507 * config/vax/vax.md (ashlsi3): Likewise.
2508 (ashlsi3): Likewise.
2509 (some more unnamed insns): Likewise.
2511 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2513 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2514 iterator-style macro.
2515 (mark_control_dependent_edges_necessary): Update the use of
2516 EXECUTE_IF_CONTROL_DEPENDENT.
2518 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2520 * config/sh/predicates.md (cache_address_operand): Special.
2521 (ua_address_operand): Likewise.
2523 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2525 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2527 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2529 2006-03-15 Andreas Schwab <schwab@suse.de>
2531 * gensupport.c (identify_predicable_attribute): Don't free p_false
2532 when it is still in use.
2534 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2536 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2537 the default setting here.
2539 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2541 * tree-pass.h (pass_cfg): Remove.
2542 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2543 * passes.c (pass_cfg): Don't run it.
2545 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2547 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2548 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2550 (stack_regs_mentioned): Update the uses of
2551 stack_regs_mentioned_data. Don't access the array beyond its
2553 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2554 Don't include gt-reg-stack.h.
2556 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2557 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2559 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2562 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2565 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2567 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2569 2006-03-14 Richard Guenther <rguenther@suse.de>
2571 PR tree-optimization/26672
2572 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2575 2006-03-14 Richard Guenther <rguenther@suse.de>
2577 PR tree-optimization/26667
2578 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2579 node for the callees. Always allow inlining if it will shrink
2582 2006-03-14 Richard Guenther <rguenther@suse.de>
2585 * builtins.c (get_pointer_alignment): Prefer alignment
2586 information from decls over that from types.
2588 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2591 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2593 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2595 * config/rs6000/rs6000.opt (mdlmzb): New option.
2596 (msched-prolog, msched-epilog): Use Var not Mask.
2597 * doc/invoke.texi (-mdlmzb): Document.
2598 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2600 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2601 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2603 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2605 PR rtl-optimization/25739
2606 * bt-load.c (augment_live_range): Free tos pointer.
2608 * gensupport.c (identify_predicable_attribute): Free
2610 * gcov.c (create_file_names): Free name pointer.
2612 2006-03-13 Roger Sayle <roger@eyesopen.com>
2615 * stmt.c (emit_case_nodes): Handle the case where the index is a
2616 CONST_INT, where the comparison mode is specified by the index type.
2618 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2620 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2623 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2625 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2626 (*branch_fp_inverted): Likewise.
2628 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2631 * omp-low.c (expand_omp_for_generic): Mark istart0
2632 and iend0 as addressable.
2634 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2636 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2638 2006-03-13 Jeff Law <law@redhat.com>
2640 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2641 virtual operands are interesting.
2642 (vrp_visit_stmt): Corresponding changes.
2644 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2646 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2648 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2649 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2650 * config/bfin/crti.S: Use it instead of __PIC__.
2651 * config/bfin/crtn.S: Likewise.
2653 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2654 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2656 Lose 'G' modifier for call operand.
2657 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2658 recognize 'G' modifier.
2660 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2663 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2664 * stmt.c (expand_case): Likewise.
2666 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2668 PR rtl-optimization/26254
2669 * loop-invariant.c (seq_insns_valid_p): New function.
2670 (move_invariant_reg): Only emit new code if it is valid.
2672 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2674 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2676 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2677 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2678 (commit_one_edge_insertion): Do not look for loop notes.
2680 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2682 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2683 flag_test_coverage out of loop.
2685 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2687 * final.c (shorten_branches): Remove outdated comment, and turn
2688 the if branch that guards it to continue.
2690 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2692 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2693 * cfgloop.h (struct loop): Remove unused fields.
2695 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2697 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2698 (-dL, -fdump-rtl-loop2): Update the dump file names
2700 * doc/invoke.texi: Update dump file names.
2702 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2704 * predict.c (estimate_probability): Remove.
2705 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2706 * basic-block.h (estimate_probability): Remove prototype.
2707 * passes.c (finish_optimization_passes): Dump branch prediction or
2708 profiling heuristics to the .profile tree dump.
2709 (init_optimization_passes): Unqueue pass_branch_prob.
2711 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2713 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2715 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2716 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2718 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2720 * function.h (frame_offset_overflow): Declare.
2721 * function.c (frame_offset_overflow): New function.
2722 (assign_stack_local_1): Call it to detect that the offset overflows.
2723 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2725 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2727 * config/sh/sh.c: Include alloc-pool.h.
2728 (label_ref_list_pool): New alloc pool.
2729 (label_ref_list_t): New type for lists of labels.
2730 (struct pool_node): Make wend a label_ref_list_t.
2731 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2733 (dump_table): Likewise.
2734 (sh_reorg): Set up the alloc pool before using add_constant and
2735 dump_table, and destroy it when finishing.
2737 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2739 * config/mips/mips.c: Remove redundant comment.
2741 2006-03-10 Jason Merrill <jason@redhat.com>
2744 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2745 the target was declared 'register'.
2747 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2749 * genpreds.c (write_insn_constraint_len): Change definition of
2750 insn_constraint_len to return size_t to match the declaration.
2752 2006-03-10 DJ Delorie <dj@redhat.com>
2754 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2756 (m32c_expand_insv): Fix test for an AND mask.
2758 2006-03-10 Richard Guenther <rguenther@suse.de>
2761 * builtins.c (get_pointer_alignment): Handle component
2762 references for field alignment.
2764 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2766 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2767 when building with libgloss.
2768 (sh*elf): Implement --without-fp option.
2769 (sh64-superh-linux*): Don't multilib.
2771 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2773 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2775 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2777 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2778 Set it when one of the replacement functions returned true.
2779 Return TODO_cleanup_cfg if cfgchanged is true.
2780 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2782 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2784 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2785 instead of gen_lowpart.
2787 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2789 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2791 (mips_output_order_conditional_branch): Declare.
2792 * config/mips/mips.h (MIPS_BRANCH): New macro.
2793 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2794 for the comparison. Use gen_condjump.
2795 (mips_output_conditional_branch): Rework interface to take the
2796 asm templates for a direct branch and the inverse of a direct branch.
2797 (mips_output_order_conditional_branch): New function.
2798 (mips_builtin_branch_and_move): New function.
2799 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2800 branch condition. Use gen_single_cc as the condition for
2801 __builtin_mips_upper_* or __builtin_mips_lower_*.
2802 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2803 Use VOIDmode for the branch condition.
2804 * config/mips/predicates.md (order_operator): New predicate.
2805 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2806 (branch_fp): Rename to...
2807 (*branch_fp): ...this. Remove mode from comparison operator.
2808 Use new mips_output_conditional_branch interface.
2809 (branch_fp_inverted): Rename to...
2810 (*branch_fp_inverted): ...this and update as for *branch_fp.
2811 (*branch_zero<mode>): Rename to...
2812 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2813 Use mips_output_order_conditional_branch. Only accept ordered
2815 (*branch_zero<mode>_inverted): Rename to...
2816 (*branch_order<mode>_inverted): ...this and update as for
2817 *branch_order<mode>.
2818 (*branch_equality<mode>): Accept zero as the second operand to
2819 the equality operator. Use the new mips_output_conditional_branch
2821 (*branch_equality<mode>_inverted): Likewise.
2822 (condjump): New expander.
2823 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2825 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2826 (bc1any2t, bc1any2f): Likewise.
2827 (single_cc): New expander.
2828 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2830 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2832 * doc/md.texi: Update documentation of MIPS constraints.
2833 * config/mips/constraints.md: New file.
2834 * config/mips/mips.md: Include it.
2835 * config/mips/mips.c (mips_char_to_class): Delete.
2836 (override_options): Don't initialize mips_char_to_class.
2837 * config/mips/mips.h (mips_char_to_class): Delete.
2838 (REG_CLASS_FROM_LETTER): Delete.
2839 (CONST_OK_FOR_LETTER_P): Delete.
2840 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2841 (EXTRA_CONSTRAINT_Y): Delete.
2842 (EXTRA_CONSTRAINT_STR): Delete.
2843 (CONSTRAINT_LEN): Delete.
2844 (EXTRA_MEMORY_CONSTRAINT): Delete.
2846 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2848 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2849 original fn's eh regions.
2851 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2853 * fold-const.c (build_range_check): Make sure to use a valid type to
2854 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2857 (range_predecessor): New static function.
2858 (range_successor): Likewise.
2859 (merge_ranges): Use them to compute predecessors and successors of
2862 2006-03-09 Roger Sayle <roger@eyesopen.com>
2865 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2866 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2868 2006-03-08 DJ Delorie <dj@redhat.com>
2870 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2871 (addpsi3): Expand to include memory operands. Remove
2872 reload-specific splits.
2873 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2874 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2875 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2876 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2877 (shift1_qi, shift1_hi, insv): New.
2878 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2879 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2880 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2882 * config/m32c/m32c-protos.h: Update as needed.
2883 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2884 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2885 Fail for unrecognized R* constraints.
2886 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2887 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2888 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2890 (m32c_init_libfuncs): New.
2891 (m32c_legitimate_address_p): Add debug wrapper.
2892 (m32c_rtx_costs): New.
2893 (m32c_address_cost): New.
2894 (conversions): Add 'B' prefix.
2895 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2896 operands, or word regnames for QI operands. 'B' prints bit
2898 (m32c_expand_setmemhi): New.
2899 (m32c_expand_movmemhi): New.
2900 (m32c_expand_movstr): New.
2901 (m32c_expand_cmpstr): New.
2902 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2903 (m32c_expand_neg_mulpsi3): Handle non-ints.
2904 (m32c_cmp_flg_0): New.
2905 (m32c_expand_movcc): New.
2906 (m32c_expand_insv): New.
2907 (m32c_scc_pattern): New.
2908 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2909 a0/a1 out of SIregs.
2910 (STORE_FLAG_VALUE): New.
2911 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2914 * config/m32c/mov.md: Make constraints more liberal.
2915 (zero_extendqihi2): Optimize r0/r1 case.
2916 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2917 * config/m32c/predicates.md (m32c_any_operand): New.
2918 (m32c_nonimmediate_operand): New.
2919 (m32c_hl_operand): New.
2920 (m32c_r3_operand): New.
2923 (memsym_operand): New.
2924 (memimmed_operand): New.
2925 (a_qi_operand): New.
2926 (m32c_eqne_operator): New.
2927 (m32c_1bit8_operand): New.
2928 (m32c_1bit16_operand): New.
2929 (m32c_1mask8_operand): New.
2930 (m32c_1mask16_operand): New.
2931 * config/m32c/blkmov.md: New file.
2932 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2934 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2936 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2937 unsigned to fix signed/unsigned comparison issue in
2938 DWARF2_FRAME_REG_OUT.
2939 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2940 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2942 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2943 of ptr into the ENABLE_CHECKING section.
2945 2006-03-08 Jeff Law <law@redhat.com>
2947 * tree-vrp.c (infer_value_range): Only count pointer uses
2948 and dereferences if -fdelete-null-pointer-checks is enabled.
2950 * tree-vrp.c (find_assert_locations): Infer value ranges for
2951 single use pointers, but do not create ASSERT_EXPRs for them.
2952 When a non-null range is inferred for a pointer, backwards
2953 propagate that range to other equivalent pointers through the
2956 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2959 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2960 language hook targets.
2961 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2962 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2963 if language hook targets were missing.
2965 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2967 * tree-ssa-opfinalize.h: Removed.
2968 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2970 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2971 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2972 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2973 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2974 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2975 finalize_ssa_v_must_def_ops): New.
2977 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2979 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2982 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2984 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2986 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2987 addresses with offsets; reorganize.
2989 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2990 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2991 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2993 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2996 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2998 2006-03-08 Ben Elliston <bje@au.ibm.com>
3000 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3002 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3005 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3008 2006-03-07 Richard Guenther <rguenther@suse.de>
3010 PR tree-optimization/26587
3011 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3013 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3015 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3017 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3019 * hooks.c (hook_bool_mode_rtx_true): New function.
3020 * hooks.h (hook_bool_mode_rtx_true): Declare.
3021 * toplev.c (compile_file): Call output_shared_constant_pool.
3022 * varasm.c (shared_constant_pool): New variable.
3023 (assemble_start_function, assemble_end_function): Remove arguments
3024 from call to output_constant_pool.
3025 (create_constant_pool): New function, split out from...
3026 (init_varasm_status): ...here.
3027 (force_const_mem): Choose between the shared and per-function constant
3028 pools. Set current_function_uses_const_pool when reusing old entries
3029 as well as when creating new ones.
3030 (mark_constant): Ignore data argument.
3031 (mark_constants): Remove pool argument.
3032 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3033 to decide whether the function uses a constant pool.
3034 (output_constant_pool_contents): New function, split out from...
3035 (output_constant_pool): ...here.
3036 (output_shared_constant_pool): New function.
3037 (init_varasm_once): Initialize shared_constant_pool.
3038 * output.h (output_constant_pool): Delete.
3039 (output_shared_constant_pool): Declare.
3040 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3041 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3043 2006-03-06 Nick Clifton <nickc@redhat.com>
3045 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3046 flag_strength_reduce.
3048 2006-03-06 Ben Elliston <bje@au.ibm.com>
3050 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3051 x86_64-*-linux* configurations.
3053 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3054 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3056 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3058 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3060 * basic-block.h: Remove the extern for
3061 rediscover_loops_after_threading.
3063 * cfgloop.c (cancel_loop): Make it static.
3064 * cfgloop.h: Remove the prototype for cancel_loop.
3066 * flow.c (recompute_reg_usage): Make it static.
3067 * rtl.h: Remove the prototype for recompute_reg_usage.
3069 * function.c (use_return_register): Make it static.
3070 * function.h: Remove the prototype.
3072 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3074 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3076 * recog.h: Remove the prototype for
3077 validate_change_maybe_volatile.
3079 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3081 * rtlanal.c (replace_reg): Remove.
3082 * rtl.h: Remove the prototype for replace_reg.
3084 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3086 * regclass.c (reg_scan_update): Remove.
3087 (reg_scan_mark_refs): Remove the last argument.
3088 * rtl.h: Remove the prototype for reg_scan_update.
3090 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3092 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3093 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3094 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3095 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3096 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3097 loop-invariant.c, omp-low.c, opts.c, passes.c,
3098 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3099 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3100 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3101 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3102 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3103 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3105 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3107 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3108 * dwarf2out.h: Remove the prototype for
3109 dwarf2out_add_library_unit_info.
3111 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3113 * tree.c (add_var_to_bind_expr): Remove.
3114 * tree.h: Remove the prototype for add_var_to_bind_expr.
3116 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3118 * regclass.c (n_non_fixed_regs): Remove.
3119 (init_reg_sets_1, globalize_reg): Remove all uses of
3121 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3123 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3125 * rtlanal.c (insns_safe_to_move_p): Remove.
3126 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3128 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3130 * expmed.c (expand_mult_add): Remove.
3131 * expr.h: Remove the prototype for expand_mult_add.
3133 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3135 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3136 and REG_SAVED_VAL_EXP constants.
3137 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3138 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3139 Handle regs stored by value.
3140 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3141 (execute_cfa_program): Handle DW_CFA_val_offset,
3142 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3143 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3144 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3145 (uw_install_context_1): Handle target regs stored by value.
3147 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3149 * tree-sra.c (tree_sra): Return todoflags;
3150 (generate_one_element): Set TODO_update_smt_usage if needed.
3151 (pass_sra): Remove TODO_update_smt_usage.
3152 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3154 (tree_ssa_forward_propagate_single_use_vars): Return
3155 TODO_update_smt_usage if we need to update SMT usage.
3156 (pass_forwprop): Remove TODO_update_smt_usage.
3158 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3160 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3161 (correct_use_link): Remove reference to get_stmt_operands.
3162 (update_stmt_operands): Likewise.
3163 (get_modify_expr_operands): New function factored out of
3164 parse_ssa_operands and get_expr_operands.
3165 Try to create V_MUST_DEFs for LHS by default.
3166 (get_expr_operands) <case MODIFY_EXPR>: Call
3167 get_modify_expr_operands.
3168 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3169 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3170 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3171 get_modify_expr_operands.
3173 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3175 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3176 * tree-flow.h: Remove the prototype for
3177 referenced_var_lookup_if_exists.
3179 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3181 PR rtl-optimization/26345
3183 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3185 2006-03-03 Roger Sayle <roger@eyesopen.com>
3187 PR tree-optimization/26524
3188 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3189 fold_convert to create a constant of the appropriate type.
3191 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3193 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3194 SYMBOL_REF_IN_BLOCK_P.
3195 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3196 of SYMBOL_FLAG_IN_BLOCK.
3197 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3198 instead of SYMBOL_REF_IN_BLOCK_P.
3199 * explow.c (use_anchored_address): Likewise.
3200 * rtl.c (rtx_size): Likewise.
3201 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3202 instead of SYMBOL_FLAG_IN_BLOCK.
3203 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3204 SYMBOL_REF_IN_BLOCK_P.
3205 (assemble_variable): Likewise.
3206 (output_constant_def_contents): Likewise.
3207 (output_constant_pool): Likewise.
3208 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3209 instead of SYMBOL_FLAG_IN_BLOCK.
3210 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3211 SYMBOL_REF_IN_BLOCK_P.
3212 (SYMBOL_REF_BLOCK): Likewise.
3213 (SYMBOL_REF_OFFSET): Likewise.
3214 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3215 SYMBOL_REF_IN_BLOCK_P.
3216 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3217 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3218 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3219 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3221 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3223 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3225 2006-03-02 Roger Sayle <roger@eyesopen.com>
3227 * simplify-rtx.c (simplify_unary_operation): When simplifying
3228 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3229 that we perform the right shift in the appropriate mode, and
3230 then extend or truncate the result to requested mode.
3232 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3234 * gengtype.c (main): Handle double_int type.
3235 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3236 * double-int.c: New file.
3237 * double-int.h: New file.
3238 * system.h: Include doubleint.h.
3239 * Makefile.in (SYSTEM_H): Include double-int.h.
3240 (double-int.o): Add.
3242 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3245 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3248 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3250 * tree-vrp.c (remove_range_assertions): Do not update statements
3253 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3255 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3257 * gcse.c (rest_of_handle_gcse): Ditto.
3258 * except.c (gate_handle_eh): Ditto.
3259 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3260 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3262 2006-03-02 Eric Christopher <echristo@apple.com>
3264 * config/i386/i386.c (machopic_output_stub): Add indirection to
3267 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3271 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3273 Sun Niagara specific optimizations.
3274 * config.gcc: Recognize niagara as target.
3275 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3276 (TARGET_CPU_niagara): Define.
3277 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3278 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3279 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3280 (ASM_CPU_SPEC): Likewise.
3281 (PROCESSOR_NIAGARA): New enum entry.
3282 (REGISTER_MOVE_COST): Handle Niagara.
3283 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3284 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3285 (sparc_override_options): Recognize "niagara", set appropriate
3286 default MASK_* values for it, and align functions to 32-bytes
3287 by default just like ULTRASPARC/ULTRASPARC3.
3288 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3289 (sparc64_initialize_trampoline): Likewise.
3290 (sparc_use_sched_lookahead): Use zero for niagara.
3291 (sparc_issue_rate): Use one for niagara.
3292 * config/sparc/niagara.md: New file.
3293 * config/sparc/sparc.md: Include it.
3294 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3295 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3296 when default cpu is niagara.
3297 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3298 (ASM_CPU_SPEC): Likewise.
3299 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3300 when default cpu is niagara.
3301 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3302 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3303 just like v9/ultrasparc/ultrasparc3.
3304 * doc/invoke.texi: Add documentation for "niagara" and improve
3305 existing documentation for ultrasparc variants.
3307 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3309 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3311 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3313 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3314 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3315 and say that only one is needed.
3316 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3317 * target.h (have_switchable_bss_sections): New hook.
3318 * explow.c (use_anchored_address): Check that the symbol is in a block.
3319 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3320 (bss_noswitch_section): New variables.
3321 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3322 (get_noswitch_section): New function.
3323 (get_block_for_section): Allow SECT to be null.
3324 (unlikely_text_section_p): Use SECTION_STYLE.
3325 (bss_initializer_p): New function.
3326 (get_variable_section): Move earlier in file. Take a new argument,
3327 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3328 Return one of the new *_sections in such cases.
3329 (get_block_for_decl): New function, extracting some logic from
3330 use_blocks_for_decl_p.
3331 (change_symbol_section): Remove in favor of...
3332 (change_symbol_block): ...this new function.
3333 (use_blocks_for_decl_p): Remove checks now performed by
3335 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3336 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3337 (emit_local, emit_bss, emit_common): ...these new functions.
3338 Return true if the alignment was honored.
3339 (emit_tls_common): New function.
3340 (asm_emit_uninitialised): Delete.
3341 (assemble_variable_noswitch): New function, split out from...
3342 (assemble_variable): ...here. Don't make decisions about common
3343 variables here. Globalize all public decls that go into non-common
3344 sections. Check whether SYMBOL_REF_BLOCK is null.
3345 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3346 (output_constant_pool): Likewise.
3347 (init_varasm_once): Initialize the new section variables.
3348 (have_global_bss_p): New function.
3349 (categorize_decl_for_section): Use bss_initializer_p.
3350 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3351 (place_block_symbol): Assert that the symbol must be in a block.
3352 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3353 (TARGET_INITIALIZER): Include it.
3354 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3355 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3356 (SECTION_MACH_DEP): Bump by two.
3357 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3358 (unnamed_section): Mention SECTION_UNNAMED in comment.
3359 (named_section): Likewise SECTION_NAMED.
3360 (noswitch_section_callback): New type.
3361 (noswitch_section): New structure.
3362 (section): Add a noswitch_section alternative.
3363 (SECTION_STYLE): New macro.
3364 (tls_comm_section, comm_section, lcomm_section): Declare.
3365 (bss_noswitch_section, have_global_bss_p): Declare.
3366 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3367 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3369 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3370 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3373 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3375 * gcc/tree-vrp.c (execute_vrp): Return value.
3376 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3377 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3378 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3379 (tree_lower_complex_O0): Ditto.
3380 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3381 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3382 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3383 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3384 (execute_tail_calls): Ditto.
3385 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3386 * gcc/tree.h (init_function_for_compilation): Ditto.
3387 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3388 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3389 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3390 * gcc/final.c (compute_alignments): Ditto.
3391 (rest_of_handle_final): Ditto.
3392 (rest_of_handle_shorten_branches): Ditto.
3393 (rest_of_clean_state): Ditto.
3394 * gcc/omp-low.c (execute_expand_omp): Ditto.
3395 (execute_lower_omp): Ditto.
3396 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3397 * gcc/ipa-reference.c (static_execute): Ditto.
3398 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3399 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3400 (rest_of_handle_machine_reorg): Ditto.
3401 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3402 * gcc/flow.c (recompute_reg_usage): Ditto.
3403 (rest_of_handle_remove_death_notes): Ditto.
3404 (rest_of_handle_life): Ditto.
3405 (rest_of_handle_flow2): Ditto.
3406 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3407 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3408 (do_ssa_store_ccp): Ditto.
3409 (execute_fold_all_builtins): Ditto.
3410 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3411 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3412 * gcc/ipa-pure-const.c (static_execute): Ditto.
3413 * gcc/cse.c (rest_of_handle_cse): Ditto.
3414 (rest_of_handle_cse2): Ditto.
3415 * gcc/web.c (rest_of_handle_web): Ditto.
3416 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3417 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3418 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3419 * gcc/tree-nrv.c (tree_nrv): Ditto.
3420 (execute_return_slot_opt): Ditto.
3421 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3422 (create_structure_vars): Ditto.
3423 * gcc/loop-init.c (rtl_loop_init): Ditto.
3424 (rtl_loop_done): Ditto.
3425 (rtl_move_loop_invariants): Ditto.
3426 (rtl_unswitch): Ditto.
3427 (rtl_unroll_and_peel_loops): Ditto.
3428 (rtl_doloop): Ditto.
3429 * gcc/gimple-low.c (lower_function_body): Ditto.
3430 (mark_used_blocks): Ditto.
3431 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3432 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3433 (cgraph_early_inlining): Ditto.
3434 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3435 * gcc/jump.c (cleanup_barriers): Ditto.
3436 (purge_line_number_notes): Ditto.
3437 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3438 (rest_of_handle_if_after_reload): Ditto.
3439 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3440 (tree_ssa_loop_im): Ditto.
3441 (tree_ssa_loop_unswitch): Ditto.
3442 (tree_vectorize): Ditto.
3443 (tree_linear_transform): Ditto.
3444 (tree_ssa_loop_ivcanon): Ditto.
3445 (tree_ssa_empty_loop): Ditto.
3446 (tree_ssa_loop_bounds): Ditto.
3447 (tree_complete_unroll): Ditto.
3448 (tree_ssa_loop_prefetch): Ditto.
3449 (tree_ssa_loop_ivopts): Ditto.
3450 (tree_ssa_loop_done): Ditto.
3451 * gcc/predict.c (tree_estimate_probability): Ditto.
3452 * gcc/recog.c (split_all_insns_noflow): Ditto.
3453 (rest_of_handle_peephole2): Ditto.
3454 (rest_of_handle_split_all_insns): Ditto.
3455 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3456 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3457 (rest_of_handle_stack_adjustments): Ditto.
3458 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3459 * gcc/function.c (instantiate_virtual_regs): Ditto.
3460 (init_function_for_compilation): Ditto.
3461 (rest_of_handle_check_leaf_regs): Ditto.
3462 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3463 (rest_of_handle_gcse): Ditto.
3464 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3465 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3466 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3467 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3468 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3469 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3470 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3471 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3472 * gcc/except.c (set_nothrow_function_flags): Ditto.
3473 (convert_to_eh_region_ranges): Ditto.
3474 (rest_of_handle_eh): Ditto.
3475 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3476 (remove_unnecessary_notes): Ditto.
3477 * gcc/except.h (set_nothrow_function_flags): Ditto.
3478 (convert_to_eh_region_ranges): Ditto.
3479 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3480 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3481 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3482 (execute_fre): Ditto.
3483 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3484 (rest_of_handle_jump2): Ditto.
3485 * gcc/tree-sra.c (tree_sra): Ditto.
3486 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3487 (execute_mudflap_function_decls): Ditto.
3488 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3489 (do_store_copy_prop): Ditto.
3490 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3491 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3492 * gcc/tree-ssa-forwprop.c
3493 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3494 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3495 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3496 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3497 (execute_late_warn_uninitialized): Ditto.
3498 * gcc/rtl.h (cleanup_barriers): Ditto.
3499 (split_all_insns_noflow): Ditto.
3500 (purge_line_number_notes): Ditto.
3501 (unshare_all_rtl): Ditto.
3502 (remove_unnecessary_notes): Ditto.
3503 (recompute_reg_usage): Ditto.
3504 (variable_tracking_main): Ditto.
3505 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3506 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3507 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3508 (execute_free_cfg_annotations): Ditto.
3509 (execute_fixup_cfg): Ditto.
3510 (execute_cleanup_cfg_pre_ipa): Ditto.
3511 (execute_cleanup_cfg_post_optimizing): Ditto.
3512 (execute_init_datastructures): Ditto.
3513 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3514 * gcc/combine.c (rest_of_handle_combine): Ditto.
3515 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3516 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3517 (rest_of_handle_reorder_blocks): Ditto.
3518 (rest_of_handle_partition_blocks): Ditto.
3519 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3520 * gcc/tree-profile.c (tree_profiling): Ditto.
3521 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3522 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3523 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3524 (rest_of_handle_sched2): Ditto.
3525 * gcc/basic-block.h (free_bb_insn): Ditto.
3526 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3527 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3528 (remove_useless_stmts): Ditto.
3529 (split_critical_edges): Ditto.
3530 (execute_warn_function_return): Ditto.
3531 (execute_warn_function_noreturn): Ditto.
3532 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3533 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3534 * gcc/passes.c (execute_one_pass): Run additional
3535 todos returned by execute function.
3536 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3539 2006-03-02 Richard Guenther <rguenther@suse.de>
3541 * tree-ssa-alias.c (find_used_portions): Consider taking
3542 the address as making the variable not write-only.
3544 2006-03-02 Nick Clifton <nickc@redhat.com>
3546 * config.gcc (default_use_cxa_atexit): Extend the description of
3547 this configure variable. Set its default value to "yes" for
3548 Linux, NetBSD and ELF targets on the assumption that they will
3549 use C libraries with the __cxa_atexit function.
3551 2006-03-02 Ben Elliston <bje@au.ibm.com>
3553 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3554 parameter as unused to suppress a build warning.
3556 2006-03-02 Ben Elliston <bje@au.ibm.com>
3558 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3561 2006-03-01 Roger Sayle <roger@eyesopen.com>
3564 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3565 declared name, the weak reference name, and the typeof name.
3566 (__gthrw): Avoid expanding the declared name suffix.
3567 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3569 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3571 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3573 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3574 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3575 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3576 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3577 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3578 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3579 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3580 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3581 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3582 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3583 (DW_END_default, DW_END_big, DW_END_little): New.
3584 (DW_END_lo_user, DW_END_hi_user): Define.
3585 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3586 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3587 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3590 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3592 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3594 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3596 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3598 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3600 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3601 to 'symbol_mem_tag'.
3603 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3606 2006-03-01 Roger Sayle <roger@eyesopen.com>
3608 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3610 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3613 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3614 MACHO_DYNAMIC_NO_PIC_P.
3615 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3617 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3620 * config/darwin-protos.h (darwin_asm_output_anchor):
3622 * config/darwin-sections.def (cstring_section):
3623 Add SECTION_MERGE to the flags.
3624 (literal4_section): Likewise.
3625 (literal8_section): Likewise.
3626 (objc_selector_refs_section): Likewise.
3627 (objc_cls_refs_section): Likewise.
3628 * config/darwin.c (darwin_asm_output_anchor): New
3630 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3632 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3634 Fix PR tree-optimization/26443
3635 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3636 to todo and PROP_tmt_usage to properties_destroyed.
3637 * tree-ssa-ccp.c (pass_ccp): Ditto.
3638 (pass_store_ccp): Ditto.
3639 * tree-ssa-dom.c (pass_dominator): Ditto.
3641 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3643 * tree-ssa-operands.c: Cleanup whitespace.
3644 (get_asm_expr_operands): Move before first invocation.
3645 (get_indirect_ref_operands): Likewise.
3646 (get_tmr_operands): Likewise.
3647 (get_call_expr_operands): Likewise.
3648 (append_def): Likewise.
3649 (append_use): Likewise.
3650 (append_v_may_def): Likewise.
3651 (append_v_must_def): Likewise.
3652 (add_call_clobber_ops): Likewise.
3653 (add_call_read_ops): Likewise.
3654 (add_stmt_operand): Likewise.
3655 (add_virtual_operand): Likewise.
3656 (build_ssa_operands): Likewise.
3658 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3663 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3664 with a call expr to ...
3665 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3667 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3669 * tree-vrp.c (extract_range_from_assert): Remove special
3670 handling for types with super-types.
3672 2006-03-01 Ben Elliston <bje@au.ibm.com>
3674 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3675 and powerpc64-*-linux* configurations.
3676 * config/t-dfprules: New file.
3678 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3679 Compile dfp-bit.c from the source directory using -DWIDTH and
3680 $DFP_CFLAGS to control the compilation of that file, rather than
3681 generating width-specific versions in the build directory.
3682 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3683 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3685 2006-02-28 Zack Weinberg <zackw@panix.com>
3687 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3690 2006-02-28 Eric Christopher <echristo@apple.com>
3692 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3693 Set up IN_LIBGCC definition of TARGET_64BIT.
3694 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3696 2006-02-28 Roger Sayle <roger@eyesopen.com>
3699 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3700 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3701 cases via the construction of "expr != 0".
3703 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3705 * alias.c (alias_invariant, alias_invariant_size): Remove.
3706 (record_base_value): Remove.
3707 (memrefs_conflict_p): Don't look at alias_invariant.
3708 (end_alias_analysis): Don't free it.
3709 * alias.h (record_base_value): Remove prototype.
3711 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3712 Adam Nemet <anemet@caviumnetworks.com>
3714 * rtl.h (truncated_to_mode): Declare it.
3715 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3716 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3717 (RTL_HOOKS_INITIALIZER): Include it.
3718 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3719 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3720 reg_truncated_to_mode.
3721 * rtlanal.c (truncated_to_mode): Define it.
3722 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3724 2006-02-28 Jeff Law <law@redhat.com>
3726 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3727 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3728 the range allowed by TYPE_PRECISION.
3730 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3732 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3734 PR tree-optimization/26419
3735 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3738 2006-02-27 Zack Weinberg <zackw@panix.com>
3740 * doc/md.texi: Fix typo in previous change.
3742 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3746 2006-02-27 Zack Weinberg <zackw@panix.com>
3748 * rtl.def (define_constraint, define_register_constraint)
3749 (define_memory_constraint, define_address_constraint): New MD forms.
3750 * gensupport.c (process_rtx): Put define_constraint etc on the
3752 * genpreds.c (process_define_predicate): Adjust comment. Validate
3753 the name, and call validate_exp to validate the expression.
3754 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3755 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3756 all callers changed.
3757 (validate_exp, needs_variable, struct constraint_data)
3758 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3759 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3760 (const_dbl_constraints, constraint_max_namelen)
3761 (have_register_constraints, have_memory_constraints)
3762 (have_address_constraints, have_address_constraints)
3763 (have_extra_constraints, have_const_int_constraints)
3764 (have_const_dbl_constraints, mangle, add_constraint)
3765 (process_define_constraint, process_define_register_constraint)
3766 (write_enum_constraint_num, write_lookup_constraint)
3767 (write_insn_constraint_len, write_regclass_for_constraint)
3768 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3769 (write_insn_extra_memory_constraint)
3770 (write_insn_extra_address_constraint)
3771 (write_satisfies_constraint_fns): New.
3772 (write_tm_preds_h): If we have new-style constraint definitions,
3773 prototype the functions generated from them, and define the
3774 old constraint interface (still used by generic code) in terms of
3776 (write_insn_preds_c): If we have new-style constraint definitions,
3777 generate all relevant functions from those definitions.
3778 (main): Handle define_constraint etc.
3779 * genoutput.c (struct constraint_data, indep_constraints)
3780 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3781 (mdep_constraint_len): New data structures and functions, defined
3782 #ifdef USE_MD_CONSTRAINTS.
3783 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3784 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3785 use new logic to validate operand constraints against constraint
3787 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3789 * defaults.h: If none of the old-style constraint macros are
3790 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3791 old-style macros; and poison REG_CLASS_FROM_LETTER,
3792 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3794 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3795 * doc/md.texi: Document new constraint-definition mechanism and the
3796 C interface it provides. Remove references to old mechanism
3797 elsewhere in the document.
3798 (Machine Constraints): Use pathnames relative to gcc directory,
3799 i.e. config/ARCH/FILE. Change i386 section to refer to
3800 config/i386/predicates.md; update that section to match docstrings.
3801 * doc/tm.texi: Move all documentation of the old constraint-
3802 definition macros to their own section, clearly mark as obsolete.
3804 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3805 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3807 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3808 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3809 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3811 (splits and peepholes): Use satisfies_constraint_*.
3812 * config/i386/i386.c (memory_address_length)
3813 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3815 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3817 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3818 scalar operation to be put back into the loop.
3820 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3823 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3824 (extract_cie_info): Handle S flag in augmentation string.
3825 (execute_cfa_program): If context->signal_frame, execute also
3826 fs->pc == context->ra instructions.
3827 (uw_frame_state_for): If context->signal_frame, don't subtract one
3828 from context->ra to find FDE.
3829 (uw_update_context_1): Set context->signal_frame to
3831 (_Unwind_GetIPInfo): New function.
3832 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3833 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3835 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3836 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3837 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3838 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3839 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3840 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3841 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3842 x86_64_fallback_frame_state): Set fs->signal_frame.
3843 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3844 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3845 (frob_update_context): Likewise. Workaround missing S flag in
3846 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3847 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3848 Remove the psw_addr + 1 hack.
3850 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3852 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3853 with aggregates here.
3854 (find_func_aliases): Remove code for &<aggregate> from here.
3856 2006-02-26 Roger Sayle <roger@eyesopen.com>
3858 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3859 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3860 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3863 2006-02-26 Roger Sayle <roger@eyesopen.com>
3866 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3868 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3870 * opts.c (decode_options): Do not handle flag_strength_reduce.
3871 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3872 and OPT_fstrength_reduce.
3873 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3874 flag_prefetch_loop_arrays for being nonzero.
3875 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3877 (fprefetch-loop-arrays-rtl): Removed.
3878 (flag_prefetch_loop_arrays): Do not specify the value.
3880 * doc/passes.texi: Update documentation of loop optimizer
3882 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3883 -frerun-loop-opt): Remove.
3885 2006-02-26 Richard Guenther <rguenther@suse.de>
3887 PR tree-optimization/26421
3888 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3889 in function calls that are ADDR_EXPRs as using the whole structure.
3891 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3893 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3894 * tree-pass.h (pass_loop_optimize): Remove.
3895 * passes.c (pass_loop_optimize): Never run it.
3896 * toplev.c (backend_init): Don't call init_loop.
3897 * opts.c (flag_loop_optimize_set): Remove.
3898 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3899 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3900 the old RTL loop optimizer when profiling enabled.
3901 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3902 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3903 pre-headers for the sake of the old RTL loop optimizer.
3904 * Makefile.in: Remove all references to loop.o.
3906 * doc/invoke.texi: Remove all references to -floop-optimize
3907 and -frerun-loop-opt.
3909 2006-02-26 Zack Weinberg <zackw@panix.com>
3911 * doc/md.texi (Machine Constraints): Refer to all files with paths
3912 relative to gcc directory (i.e. config/CPU/file). Add missing
3913 @table @code ... @end table to M32C subsection.
3915 2006-02-26 Roger Sayle <roger@eyesopen.com>
3917 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3919 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3921 2006-02-26 Roger Sayle <roger@eyesopen.com>
3922 James A. Morrison <phython@gcc.gnu.org>
3925 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3926 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3927 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3928 signedness of the shift operation.
3930 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3932 PR tree-optimization/26359
3933 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3935 2006-02-25 Roger Sayle <roger@eyesopen.com>
3937 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3938 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3939 as X == 0, and some symmetry related transformations.
3940 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3942 2006-02-25 Roger Sayle <roger@eyesopen.com>
3945 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3946 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3947 symmetry related transformations. Fold (X^C1) == C2 as
3950 2006-02-25 Juergen Weigert <jw@suse.de>
3951 Richard Guenther <rguenther@suse.de>
3953 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3955 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3957 * combine.c (gen_lowpart_or_truncate): Call
3958 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3960 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3962 * doc/invoke.texi: Move -fopenmp description to "Options for
3964 Remove reference to -lgomp.
3966 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3968 * doc/install.texi: Require GNU tar version 1.14.
3970 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3972 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3973 * doc/invoke.texi (C++ Dialect Options): Document
3974 -fno-use-cxa-get-exception-ptr.
3975 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3976 * configure: Regenerate.
3977 * c.opt (fuse-cxa-get-exception-ptr): New.
3978 * c-opts.c (c_common_handle_option): Handle
3979 OPT_fuse_cxa_get_exception_ptr.
3980 * c-common.c (flag_use_cxa_atexit): Update documentation.
3981 (flag_use_cxa_get_exception_ptr): New.
3982 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3983 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3985 (C_COMMON_OVERRIDE_OPTIONS): New.
3987 2006-02-24 Roger Sayle <roger@eyesopen.com>
3990 * combine.c (try_combine): Explicitly check whether GET_CODE is
3991 a SET or a CLOBBER, instead on checking that it isn't a USE.
3993 2006-02-24 Roger Sayle <roger@eyesopen.com>
3995 * fold-const.c (fold_comparison): New subroutine of fold_binary
3996 containing transformations common to both the equality and
3997 ordering relational operators, factored out of fold_binary.
3998 (fold_binary): Separate out the equality operators (EQ_EXPR
3999 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4000 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4001 transformations common to both.
4002 (fold_div_compare): Fix latent bugs in the previously unreachable
4003 LT_EXPR and GE_EXPR cases.
4005 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4007 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4008 decl libname for clog to __clog on AIX.
4010 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4012 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4015 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4016 output traceback table for thunks. Localise rs6000_stack_info call.
4018 2006-02-23 Roger Sayle <roger@eyesopen.com>
4019 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4021 * gthr-posix.h (__gthrw): Fix typo in comment.
4023 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4025 * doc/cpp.texi (Character sets): Document that we do support
4026 input files to be in any character set.
4028 2006-02-23 Jeff Law <law@redhat.com>
4030 * tree.h (PHI_ARG_NONZERO): Remove.
4031 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4032 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4033 node to the new node.
4035 PR tree-optimization/26425
4036 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4037 min/max, then assume its varying.
4039 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4041 PR rtl-optimization/26316
4042 * rtlanal.c (enum may_trap_p_flags): New.
4043 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4044 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4045 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4046 (may_trap_after_code_motion_p): New function.
4047 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4048 (find_invariant_insn): Use may_trap_after_code_motion_p.
4049 * rtl.h (may_trap_after_code_motion_p): Declare.
4051 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4053 * emit-rtl.c (immed_double_const): Cleanup.
4055 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4057 Fix PR tree-optimization/26376
4058 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4061 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4064 * gimplify.c (omp_add_variable): Guard variable size decl test with
4065 DECL_SIZE (decl) check.
4067 2006-02-23 Richard Guenther <rguenther@suse.de>
4070 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4071 like aggregate types.
4073 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4075 * configure.ac: Add --with{,out}-long-double-128 configure option.
4076 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4077 * configure: Rebuilt.
4078 * config.in: Rebuilt.
4079 * doc/install.texi (Options specification): Document
4080 --with-long-double-128.
4082 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4083 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4084 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4085 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4087 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4089 * config/s390/s390.c (override_options): Handle
4090 TARGET_DEFAULT_LONG_DOUBLE_128.
4092 * config/alpha/alpha.c (override_options): Handle
4093 TARGET_DEFAULT_LONG_DOUBLE_128.
4095 * config/sparc/sparc.c (sparc_override_options): Handle
4096 TARGET_DEFAULT_LONG_DOUBLE_128.
4098 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4100 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4101 (real-install-headers-tar, real-install-headers-cpio)
4102 (real-install-headers-cp): New targets.
4104 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4106 * tree.h (variable_section): Delete.
4107 * varasm.c (variable_section): Delete.
4109 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4111 * install.texi: Add notes on install.texi2html.
4112 (Building in parallel): Do not use footnotes.
4114 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4117 * doc/install.texi (Configuration): Document --disable-libgomp.
4119 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4121 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4123 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4125 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4126 (vec_extractv2df_0_sse): New.
4128 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4130 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4131 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4132 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4133 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4134 to the result of the expression.
4135 (def_cfa_1): Adjust.
4136 (frame_pointer_cfa_offset): Rename to...
4137 (frame_pointer_fb_offset): ... this. Adjust all uses.
4138 (convert_cfa_to_loc_list): Rename to...
4139 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4140 Pass it on to build_cfa_loc.
4141 (compute_frame_pointer_to_cfa_displacement): Rename to...
4142 (compute_frame_pointer_to_fb_displacement): ... this. New
4143 offset parameter. Use it in computation.
4144 (gen_subprogram_die): Compute cfa_fb_offset with the new
4145 macro, and use it to compute the fb loc list and the
4148 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4150 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4151 replaced with register_operand.
4152 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4153 non-DREG is expensive.
4154 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4155 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4158 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4160 * doc/install.texi2html: Use set -e.
4162 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4164 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4165 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4166 * doc/invoke.texi (-fshared-data): Delete.
4167 * common.opt (fshared-data): Delete.
4168 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4169 (assemble_static_space): Remove #if 0 code.
4170 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4171 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4172 * config/cris/cris.h: Remove FIXME.
4174 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4176 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4179 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4182 * combine.c (simplify_shift_const_1): Disable nested shifts
4183 optimization for vector shifts.
4185 2006-02-20 Roger Sayle <roger@eyesopen.com>
4187 PR tree-optimization/26361
4188 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4189 of unsigned integer types.
4191 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4193 * tree-chrec.c (eq_evolutions_p): New.
4194 * tree-chrec.h (eq_evolutions_p): Declared.
4195 * tree-data-ref.c: Fix formatting.
4196 (datadep_stats, dependence_stats): New.
4198 (print_direction_vector): New.
4199 (dump_data_dependence_relation): Use print_direction_vector.
4200 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4201 (compute_subscript_distance): Static.
4202 (initialize_data_dependence_relation): Static. Get the number
4203 of loops surrounding the references from the callers, and initialize
4204 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4205 base_object_differ_p analyzers.
4206 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4207 compute_overlap_steps_for_affine_1_2,
4208 analyze_subscript_affine_affine): Count the classified dependences.
4209 Print a message when a test failed.
4210 (can_use_analyze_subscript_affine_affine): New.
4211 (analyze_siv_subscript): Compute the data dependences on symbolic
4212 scevs that verify can_use_analyze_subscript_affine_affine.
4213 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4214 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4215 Handle symbolic scevs.
4216 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4218 (subscript_dependence_tester): Moved...
4219 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4220 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4221 DDR_SIZE_VECT instead of getting it in parameter.
4222 (subscript_dependence_tester): ... here. Take as a parameter
4223 loop_nest_depth. Call build_classic_dist_vector and
4224 build_classic_dir_vector.
4225 (compute_affine_dependence): Update subscript_dependence_tester
4226 parameters. Update datadep_stats counters. Call
4227 compute_subscript_distance.
4228 (compute_self_dependence): Save the dist and dir vectors. Call
4229 compute_subscript_distance.
4230 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4231 (compute_all_dependences): Reorder parameters as they were before
4232 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4233 compute_subscript_distance. Update the use of
4234 compute_affine_dependence and initialize_data_dependence_relation.
4235 (find_data_references_in_loop): Handle COMPONENT_REF.
4236 (compute_data_dependences_for_loop): Initialize dependence_stats.
4237 Don't call build_classic_dist_vector and build_classic_dir_vector.
4238 Update the parameters of initialize_data_dependence_relation and
4239 compute_all_dependences. Print the statistics from datadep_stats.
4240 (analyze_all_data_dependences): Static. Not used until the pass for
4241 checking the data dependences is contributed.
4242 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4243 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4244 (initialize_data_dependence_relation, compute_affine_dependence,
4245 analyze_all_data_dependences, compute_subscript_distance): Removed.
4246 (print_direction_vector): New.
4247 * lambda.h (gcd): ... here.
4248 (lambda_vector_gcd): Moved here from gcd_vector.
4249 * lambda-code.c (gcd, gcd_vector): Removed.
4250 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4251 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4253 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4255 * ipa-type-escape.c: Tidy some comments and white space.
4256 * tree-ssa-operands.c: Likewise.
4258 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4261 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4262 (dump_decl_name): Do not walk the decl tree chains.
4263 * tree-pass.h (TDF_CHAIN): Remove.
4265 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4267 * Makefile.in (C): Remove
4269 (.PHONY): Remove C and PROTO
4271 2006-02-20 Roger Sayle <roger@eyesopen.com>
4274 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4275 deprecated CHAR_TYPE tree code.
4277 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4279 * configure.ac (target_list): Add install-info, dvi, html.
4280 * configure: Regenerate.
4282 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4283 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4284 treelang/Make-lang.in: Do not use double-colon rules.
4286 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4288 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4289 (TMT_USED_ALONE): New macro.
4290 * tree-pass.h (PROP_tmt_usage): New property.
4291 (TODO_update_tmt_usage): New todo.
4292 * tree-ssa-alias.c (updating_used_alone): New variable.
4293 (recalculate_used_alone): New function.
4294 (compute_may_aliases): Set updating_used_alone, call
4295 recalculate_used_alone.
4296 * tree-sra.c (pass_sra): Note that this pass destroys
4297 PROP_tmt_usage, and add TODO_update_tmt_usage.
4298 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4299 * tree-flow.h (updating_used_alone): Prototype.
4300 (recalculate_used_alone): Ditto.
4301 * passes.c (execute_todo): Add code to set updating_used_alone,
4302 and call recalculate.
4303 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4304 for clobber if used alone, and add assert to verify used_alone
4307 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4309 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4310 for non tls symbols added.
4311 (legitimize_address): Do nothing for PLUS expressions if one of the
4312 addends is a tls symbol reference.
4314 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4318 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4320 * Makefile.in (BOOTSTRAPPING): New.
4321 (quickstrap): New definition if BOOTSTRAPPING=yes.
4323 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4324 * configure.ac: Substitute all_selected_languages with the languages
4325 that were configured. For all the other variables except
4326 lang_specs_files, include all the languages in the tree.
4327 * configure: Regenerate.
4329 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4330 if there is one. Run the commands to run fixincludes in the same
4333 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4334 * doc/install.texi: Document exact conventions for searching target tools.
4335 Document --with-build-time-tools. Document toplevel bootstrap. Document
4336 something more about building an Ada cross-compiler. Don't list GNU Make
4337 requirements which affect all platforms.
4339 2006-02-19 Roger Sayle <roger@eyesopen.com>
4342 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4343 only equivalent if the have both the same mode and precision.
4345 2006-02-20 Ben Elliston <bje@au.ibm.com>
4347 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4349 2006-02-19 Roger Sayle <roger@eyesopen.com>
4350 Steven Bosscher <stevenb.gcc@gmail.com>
4352 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4353 constant pool references to identify stack mode constants.
4354 * rtlanal.c (constant_pool_constant_p): New predicate to check
4355 whether operand is a floating point constant in the pool.
4356 * rtl.h (constant_pool_constant_p): Prototype here.
4357 * loop.c (scan_loop): Avoid hoisting constants from the constant
4358 pool on STACK_REGS targets.
4359 (load_mems): Likewise.
4360 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4361 loads into x87 registers expensive in terms of register pressure.
4363 2006-02-19 Roger Sayle <roger@eyesopen.com>
4365 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4366 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4368 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4370 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4371 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4373 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4375 * doc/invoke.texi: Document -fipa-pta.
4376 * common.opt: Add ipa-pta option.
4377 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4378 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4379 (do_ds_constraint): Ditto.
4380 (get_constraint_for): Only add to referenced_vars if
4381 referenced_vars exists.
4382 (insert_into_field_list): Rewrite to do this unsorted.
4383 (insert_into_field_list_sorted): Rename old insert_into_field_list
4385 (create_function_info_for): Use insert_into_field_list_sorted.
4386 (create_variable_info_for): Rewrite so it uses unsorted version,
4387 since the field list is sorted.
4388 (intra_create_variable_infos): Only add to referenced_vars if
4389 referenced_vars exists.
4390 (ipa_pta_execute): Init heapvars, and delete when done.
4391 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4393 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4395 * doc/install.texi: Add missing `@samp'.
4397 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4399 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4402 2006-02-18 Mark Wielaard <mark@klomp.org>
4404 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4405 who added new 4.1 features, bug fixes and integration support.
4407 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4410 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4413 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4415 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4416 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4417 (copy_insn_1): Likewise. Don't copy each field individually.
4419 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4421 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4422 * rtl.c (rtx_size): Rename variable to...
4423 (rtx_code_size): ...this.
4424 (rtx_size): New function.
4425 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4426 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4428 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4429 * rtl.h (rtx_code_size): New variable.
4430 (rtx_size): Change from a variable to a function.
4431 (RTX_SIZE): Rename to...
4432 (RTX_CODE_SIZE): ...this.
4435 PR tree-optimization/17106
4436 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4437 (Anchored Addresses): New section.
4438 * doc/invoke.texi (-fsection-anchors): Document.
4439 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4440 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4441 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4442 * hooks.c (hook_bool_mode_rtx_false): New function.
4443 * hooks.h (hook_bool_mode_rtx_false): Declare.
4444 * gengtype.c (create_optional_field): New function.
4445 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4446 SYMBOL_REF_IN_BLOCK_P is true.
4447 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4448 (min_anchor_offset, max_anchor_offset): Likewise.
4449 (use_anchors_for_symbol_p): New hook.
4450 * toplev.c (compile_file): Call output_object_blocks.
4451 (target_supports_section_anchors_p): New function.
4452 (process_options): Check that -fsection-anchors is only used on
4453 targets that support it and when -funit-at-a-time is in effect.
4454 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4455 if the decl doesn't have one.
4456 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4457 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4458 of force_const_mem through use_anchored_address.
4459 (expand_expr_constant): New function.
4460 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4461 calling expand_expr for INDIRECT_REF.
4462 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4463 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4464 * expr.h (use_anchored_address): Declare.
4465 * loop-unroll.c: Don't declare rtx vectors here.
4466 * explow.c: Include output.h.
4467 (validize_mem): Call use_anchored_address.
4468 (use_anchored_address): New function.
4469 * common.opt (-fsection-anchors): New switch.
4470 * varasm.c (object_block_htab, anchor_labelno): New variables.
4471 (hash_section, object_block_entry_eq, object_block_entry_hash)
4472 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4473 (use_blocks_for_decl_p, change_symbol_section): New functions.
4474 (get_variable_section): New function, split out from assemble_variable.
4475 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4476 use_blocks_for_decl_p say so. Use change_symbol_section if the
4477 symbol has already been created.
4478 (assemble_variable_contents): New function, split out from...
4479 (assemble_variable): ...here. Don't output any code for
4480 block symbols; just pass them to place_block_symbol.
4481 Use get_variable_section and assemble_variable_contents.
4482 (get_constant_alignment, get_constant_section, get_constant_size): New
4483 functions, split from output_constant_def_contents.
4484 (build_constant_desc): Create a block symbol if use_object_blocks_p
4485 says so. Or into SYMBOL_REF_FLAGS.
4486 (assemble_constant_contents): New function, split from...
4487 (output_constant_def_contents): ...here. Don't output any code
4488 for block symbols; just pass them to place_section_symbol.
4489 Use get_constant_section and get_constant_alignment.
4490 (force_const_mem): Create a block symbol if use_object_blocks_p and
4491 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4492 (output_constant_pool_1): Add an explicit alignment argument.
4493 Don't switch sections here.
4494 (output_constant_pool): Adjust call to output_constant_pool_1.
4495 Switch sections here instead. Don't output anything for block symbols;
4496 just pass them to place_block_symbol.
4497 (init_varasm_once): Initialize object_block_htab.
4498 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4499 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4500 (place_block_symbol, get_section_anchor, output_object_block)
4501 (output_object_block_htab, output_object_blocks): New functions.
4502 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4503 (TARGET_ASM_OUT): Include it.
4504 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4505 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4506 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4507 (TARGET_INITIALIZER): Include them.
4508 * rtl.c (rtl_check_failed_block_symbol): New function.
4509 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4510 (block_symbol, object_block): New structures.
4511 (rtx_def): Add a block_symbol field to the union.
4512 (BLOCK_SYMBOL_CHECK): New macro.
4513 (rtl_check_failed_block_symbol): Declare.
4514 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4515 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4516 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4517 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4518 * output.h (output_section_symbols): Declare.
4519 (object_block): Name structure.
4520 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4521 (default_use_anchors_for_symbol_p): Declare.
4522 * Makefile.in (RTL_BASE_H): Add vec.h.
4523 (explow.o): Depend on output.h.
4524 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4525 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4526 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4527 (rs6000_use_blocks_for_constant_p): New function.
4529 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4531 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4533 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4536 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4539 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4541 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4545 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4548 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4549 instead of DECL_REGISTER.
4551 2006-02-18 Olivier Hainque <hainque@adacore.com>
4554 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4556 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4559 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4560 * opth-gen.awk: Handle Var and InverseMask together.
4561 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4562 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4563 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4564 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4566 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4567 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4568 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4569 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4570 LINUX_DYNAMIC_LINKER): Define.
4571 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4572 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4574 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4575 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4576 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4577 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4578 (TARGET_C99_FUNCTIONS): Don't define.
4579 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4580 GLIBC_DYNAMIC_LINKER.
4581 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4582 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4583 GLIBC_DYNAMIC_LINKER64): Define.
4584 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4585 LINUX_DYNAMIC_LINKER64.
4586 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4587 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4588 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4589 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4590 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4591 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4592 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4593 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4594 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4595 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4596 and LINUX_DYNAMIC_LINKER32.
4597 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4598 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4599 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4600 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4601 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4603 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4604 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4605 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4606 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4607 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4608 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4609 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4610 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4611 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4612 LINUX_DYNAMIC_LINKER): Define.
4613 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4614 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4615 GLIBC_DYNAMIC_LINKER64): Define.
4616 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4617 LINUX_DYNAMIC_LINKER64.
4618 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4619 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4620 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4621 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4622 LINUX_DYNAMIC_LINKER): Define.
4623 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4624 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4625 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4626 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4627 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4628 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4629 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4630 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4631 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4632 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4633 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4634 * doc/invoke.texi (-muclibc): Remove caveat about supported
4637 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4639 * doc/cpp.texi (__TIMESTAMP__): Document.
4641 2006-02-17 Roger Sayle <roger@eyesopen.com>
4644 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4645 C is one less than the width of X (and related transformations).
4646 * simplify-rtx.c (simplify_unary_operation_1): Transform
4647 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4648 depending on STORE_FLAG_VALUE, were C is one less then the
4651 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4653 Fix PR tree-optimization/26341
4654 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4655 about NAME_MEMORY_TAG's.
4657 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4660 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4661 with hardware float support, and software float support. Add fcpy
4662 alternative to hardware patterns. Add alternatives to copy between
4663 general and floating-point registers to the 32-bit pattern.
4664 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4665 secondary reload to load a QI or HI mode constant into a floating
4667 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4668 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4670 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4673 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4675 (load_macho_picbase_di): Likewise.
4677 2006-02-16 Jeff Law <law@redhat.com>
4679 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4680 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4681 (ssa_name_nonzero_p): Likewise.
4682 (get_value_range): Return NULL if VRP is not running.
4683 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4684 VRP routines do not discover a range.
4685 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4686 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4687 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4688 (tree_expr_nonnegative_p): Similarly.
4689 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4690 (restore_nonzero_vars_to_original_value): Remove.
4691 (unsafe_associative_fp_binop): Remove.
4692 (tree_ssa_dominator_optimize): Remove initialization and
4693 finalization of nonzero_vars and nonzero_vars_stack.
4694 (dom_opt_initialize_block): No longer push marker on
4696 (dom_opt_finalize_block): No longer call
4697 restore_nonzero_vars_to_original_value.
4698 (record_equivalences_from_phis): No longer look for
4699 nonzero PHI arguments.
4700 (cprop_into_successor_phis): No longer propagate nonzero
4701 property into PHI arguments. Lose unused argument. Caller
4703 (record_equivalences_from_stmt): No longer record nonzero
4704 values for SSA_NAMEs.
4705 (lookup_avail_expr): No longer use nonzero_vars.
4707 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4708 for sizetype when sizetype is unsigned.
4710 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4712 PR rtl-optimization/25603
4713 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4714 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4715 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4716 with new meaning of SETS.
4718 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4723 * config/linux.opt: New file.
4724 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4725 LINUX_DYNAMIC_LINKER): Define.
4726 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4727 * config.gcc (*-*-linux*): Define extra_options.
4728 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4729 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4730 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4731 GLIBC_DYNAMIC_LINKER.
4732 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4733 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4734 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4735 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4736 * doc/invoke.texi (GNU/Linux Options): New section.
4738 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4740 * config/sparc/sparc.md (setjmp): Rewrite.
4741 (setjmp_32): Delete.
4742 (setjmp_64): Likewise.
4744 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4746 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4749 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4751 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4754 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4756 PR rtl-optimization/26296
4757 * Makefile.in (loop-invariant.c): Add except.h dependency.
4758 * loop-invariant.c: Include except.h.
4759 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4761 2005-02-16 Paul Brook <paul@codesourcery.com>
4763 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4766 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4768 PR rtl-optimization/25636
4769 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4770 when deciding whether an insn is an initializing insn.
4772 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4774 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4775 (tree_code_size): Ditto.
4776 * tree.h (struct tree_memory_tag): Remove parent_var.
4777 (struct tree_struct_field_tag): New.
4780 (union tree_node): Add sft member.
4781 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4783 (create_sft): Add size and offset argument, set SFT_OFFSET and
4785 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4786 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4787 * tree-flow-inline.h (get_subvar_at): Update for
4788 SFT_OFFSET/SFT_SIZE.
4789 (var_can_have_subvars): Ditto.
4790 (overlap_subvar): Ditto.
4791 * print-tree.c (print_node): Print out interesting things for
4793 * tree-flow.h (struct subvar): Remove offset and size members.
4794 * tree-ssa-operands.c (get_expr_operands): Update for
4795 get_indirect_ref_operands changes.
4796 (get_indirect_ref_operands): Call add_virtual_operand instead of
4797 add_stmt_operand. Only recurse on base var if requested.
4798 (access_can_touch_variable): New function.
4799 (add_stmt_operand): Split virtual operand handling into ...
4800 (add_virtual_operand): Here. Add offset, size, and for_clobber
4801 arguments. Prune alias sets.
4802 (add_call_clobber_ops): Call add_virtual_operand.
4804 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4807 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4809 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4810 than TREE_CODE as index into omp_clause_num_ops array.
4812 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4814 PR rtl-optimization/26184
4815 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4817 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4818 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4819 must_precede, must_follow and tobe_scheduled.
4822 * opts.c (common_handle_option): Free new_option pointer.
4823 * df-core.c (df_analyze): Free postorder pointer.
4825 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4827 * Makefile.in: Fix the examples about the use of stamps
4829 2006-02-15 Michael Matz <matz@suse.de>
4833 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4834 influenced by maximum_field_alignment or DECL_PACKED.
4835 (update_alignment_for_field): Ditto.
4836 (place_field): Ditto.
4837 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4840 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4842 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4843 (debug_flow_info): Pass it.
4844 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4845 * bb-reorder.c (reorder_basic_blocks): Likewise.
4846 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4847 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4848 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4849 * gcse.c (gcse_main, bypass_jumps): Likewise.
4850 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4851 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4852 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4853 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4854 * rtl.h (dump_flow_info): Adjust prototype.
4855 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4856 * var-tracking.c (variable_tracking_main): Likewise.
4857 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4858 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4861 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4863 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4866 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4868 PR tree-optimization/26209
4869 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4870 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4872 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4874 2006-02-14 Roger Sayle <roger@eyesopen.com>
4877 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4878 (X,Y) and the corresponding symmetry related transformations.
4879 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4880 (X,Y) and its symmetry related transformations.
4882 2006-02-14 Roger Sayle <roger@eyesopen.com>
4884 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4887 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4889 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4891 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4894 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4895 support COMDAT group.
4896 * configure: Regenerate.
4898 2006-02-14 Roger Sayle <roger@eyesopen.com>
4903 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4905 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4907 Fix PR tree-optimization/26260
4909 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4911 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4912 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4913 * tree-ssa-structalias.c (create_variable_info_for): Use
4914 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4916 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4918 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4920 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4921 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4922 of the ending condition.
4923 * tree-ssa-loop-manip.c: Include params.h.
4924 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4925 tree_unroll_loop): New functions.
4926 * tree-pass.h (pass_loop_prefetch): Declare.
4927 * loop.c (rest_of_handle_loop_optimize): Test for
4928 -fprefetch-loop-arrays-rtl.
4929 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4930 * timevar.def (TV_TREE_PREFETCH): New timevar.
4931 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4932 pass_loop_prefetch): New.
4933 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4934 (cleanup_tree_cfg_loop): Call scev_reset.
4935 * common.opt (fprefetch-loop-arrays-rtl): Add.
4936 * tree-ssa-loop-prefetch.c: New file.
4937 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4938 (new_temp_expr_table): Initialize expr_vars.
4939 (free_temp_expr_table): Cleanup expr_vars.
4940 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4941 expressions from being merged into one.
4942 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4943 (struct tree_niter_desc): Add control, bound and cmp fields.
4944 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4946 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4947 (tree-cfgcleanup.o): Add SCEV_H dependency.
4948 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4949 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4951 2006-02-14 Richard Guenther <rguenther@suse.de>
4953 PR tree-optimization/26258
4954 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4955 in PHI argument processing.
4957 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4959 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4960 new expression in the requested machine mode.
4962 2006-02-13 Roger Sayle <roger@eyesopen.com>
4964 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4965 directly, instead let do_compare_rtx_and_jump handle this for us.
4966 * expr.c (expand_expr_real_1): Likewise.
4967 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4968 before do_jump_by_parts_greater.
4969 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4970 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4972 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4974 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4976 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4978 PR rtl-optimization/26235
4979 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4980 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4983 2006-02-13 Jeff Law <law@redhat.com>
4985 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4988 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4991 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4992 twice if decl is a builtin. When trying again, call get_callee_fndecl
4993 first to verify it is still a builtin.
4995 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4997 * dwarf2out.c (base_type_die): Don't add AT_name here.
4998 (subrange_type_die): Don't add AT_name here.
4999 (modified_type_die): Rearrange code flow. Do add AT_name here.
5001 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5003 PR rtl-optimization/26247
5004 PR rtl-optimization/26248
5005 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5007 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5009 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5010 * config/fixtfdi.c: Likewise.
5011 * config/fixunstfdi.c: Likewise.
5012 * config/floatditf.c: Likewise.
5014 2006-02-13 Roger Sayle <roger@eyesopen.com>
5017 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5018 into (X,C2) if C1 is a subset of the bits of C2. Transform
5019 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5021 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5023 2006-02-13 Josh Conner <jconner@apple.com>
5026 * varasm.c (function_section): Check for section name before
5027 calling select_section on targets that define
5028 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5029 unlikely_text_section instead of hot_function_section if
5030 first_function_block_is_cold.
5032 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5035 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5037 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5039 PR rtl-optimization/26222
5040 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5041 after tree->rtl expansion.
5042 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5043 before passing it to emit_move_insn.
5045 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5047 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5049 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5050 Clarify documentation.
5051 * c-common.h (warn_write_strings): Remove.
5052 * c-common.c (warn_write_strings): Likewise.
5053 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5056 2006-02-12 Roger Sayle <roger@eyesopen.com>
5059 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5060 (do_jump_parts_zero_rtx): New function renamed from
5061 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5062 (do_jump_parts_equality_rtx): New function split out from
5063 do_jump_parts_equality. Old implementation renamed as above.
5064 Call do_jump_parts_zero_rtx if either operand is zero.
5065 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5066 do all of the heavy lifting.
5067 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5068 calling either do_jump_by_parts_greater_rtx or
5069 do_jump_by_parts_equality_rtx.
5070 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5071 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5072 moved to do_compare_rtx_and_jump, call it directly.
5073 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5074 mode argument. Call do_compare_rtx_and_jump.
5075 (emit_case_nodes): Update calls to do_jump_if_equal.
5077 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5079 PR rtl-optimization/26225
5080 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5082 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5084 PR rtl-optimization/26232
5085 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5087 2006-02-11 Jason Merrill <jason@redhat.com>
5090 * tree-inline.c (declare_return_variable): Just don't use the
5091 modify target if it's a gimple complex reg and the return slot
5094 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5096 * doc/contrib.texi: Update my entry.
5098 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5100 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5102 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5104 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5107 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5109 * doc/invoke.texi (-floop-optimize2): Removed.
5110 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5111 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5112 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5113 * common.opt (floop-optimize2): Removed.
5114 (fmove-loop-invariants): Enabled by default.
5116 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5118 * tree-if-conv.c (combine_blocks): Free the result of
5119 get_loop_exit_edges.
5121 2006-02-10 Jeff Law <law@redhat.com>
5123 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5125 PR tree-optimization/26213
5126 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5127 loop trying to follow SSA_NAME_VALUE chains.
5129 2006-02-10 Richard Guenther <rguenther@suse.de>
5131 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5132 deal with structures that end in implicitly variable sized arrays.
5134 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5136 PR rtl-optimization/24762
5137 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5140 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5142 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5143 (struct ivopts_data): Add regs_used field.
5144 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5145 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5146 instead of loop_data->regs_used;
5147 (free_loop_data): Do not free aux fields for loops.
5148 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5149 and tree_ssa_iv_optimize_finalize.
5151 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5153 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5155 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5158 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5159 computing the effective result type.
5161 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5164 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5165 (tree_overlaps_hard_reg_set): Declare.
5166 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5167 type and signature to match function type expected by walk_tree.
5168 (tree_overlaps_hard_reg_set): New function.
5169 (decl_conflicts_with_clobbers_p): Rename to:
5170 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5171 Use tree_overlaps_hard_reg_set. Changed caller.
5172 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5173 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5174 * cris.c (cris_md_asm_clobbers): Likewise.
5176 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5178 * reload1.c (emit_input_reload_insns): Delete code that tries to
5179 inherit using find_equiv_reg.
5181 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5183 * c-common.h (flag_const_strings): Don't declare.
5184 * c-common.c (flag_const_strings): Remove.
5185 * c.opt (fconst_strings): Remove.
5186 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5187 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5188 (c_common_init_options): Don't set flag_const_strings.
5189 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5191 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5193 * arm.md (tlobits_cbranch): New pattern.
5194 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5195 testing a single bit.
5197 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5200 * tree-ssa-pre.c (create_component_ref_by_pieces):
5201 Handle RETURN_DECL like VAR_DECL.
5203 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5206 * fold-const.c (fold_indirect_ref_1): Fold
5207 "*(foo *)&complexfoo" to "__real__ complexfoo"
5208 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5210 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5212 * tree-flow-inline.h (var_can_have_subvars):
5213 Volatile variables should not have subvariables.
5215 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5218 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5219 multiplying unsigned values.
5222 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5224 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5226 2006-02-08 Jason Merrill <jason@redhat.com>
5229 * tree.def: Elaborate on difference from MODIFY_EXPR.
5230 * doc/c-tree.texi (INIT_EXPR): Likewise.
5231 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5232 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5233 (gimplify_target_expr): Likewise.
5234 (gimplify_cond_expr): Remove target handling.
5235 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5236 (gimplify_expr): Clobber it here.
5237 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5238 Do return slot optimization if we have an INIT_EXPR.
5241 * tree-inline.c (declare_return_variable): Also clear
5242 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5245 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5248 * gimplify.c (gimplify_one_sizepos): Fix typo.
5250 2006-02-08 Jeff Law <law@redhat.com>
5252 PR tree-optimization/21417
5253 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5254 across a backedge if the control statement at the end of the
5255 block is data dependent on other statements in the same block.
5256 (record_temporary_equivalences_from_stmts): Remove over-conservative
5257 test for threading across backedges.
5259 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5260 control statement, handle all three special cases in the same
5261 manner as they all have the same desired solution. No longer
5262 special case edge flag updating when the post dominator is
5265 2006-02-08 Roger Sayle <roger@eyesopen.com>
5267 * tree.def (CHAR_TYPE): Remove.
5268 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5269 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5270 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5271 (gen_string_type_die): Delete unreachable function.
5273 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5274 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5275 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5276 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5277 * builtins.c (type_to_class): Likewise.
5278 * fold-const.c (fold_convert, build_range_check,
5279 merge_ranges): Likewise.
5280 * expr.c (count_type_elements): Likewise.
5281 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5282 * stor-layout.c (layout_type): Likewise.
5283 * ipa-type-escape.c (type_to_consider): Likewise.
5284 * gimplify.c (omp_firstprivatize_type_sizes,
5285 gimplify_type_sizes): Likewise.
5286 * explow.c (promote_mode): Likewise.
5287 * tree-sra.c (is_sra_scalar_type): Likewise.
5288 * varasm.c (output_constant): Likewise.
5289 * tree-inline.c (remap_type_1): Likewise.
5290 * convert.c (convert_to_pointer, convert_to_real,
5291 convert_to_integer, convert_to_complex): Likewise.
5293 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5295 * df-scan.c (df_def_record_1): A set destination may
5296 be a parallel regardless of mode.
5298 2006-02-08 Roger Sayle <roger@eyesopen.com>
5301 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5302 * config/mips/_tilib.c: Remove.
5303 * config/fixtfdi.c: New libgcc source file.
5304 * config/fixunstfdi.c: New source file.
5305 * config/floatditf.c: New source file.
5306 * config/floatunditf.c: New souce file.
5307 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5308 files above instead of config/mips/_tilib.c.
5309 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5311 2006-02-08 Jeff Law <law@redhat.com>
5313 PR tree-optimization/26169
5314 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5317 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5319 * df.h (DF_REG_SIZE): Return the length of the initialized
5322 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5324 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5325 __muldf3): Return a correctly signed zero.
5327 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5329 * passes.c (register_one_dump_file): Accept the current properties
5330 instead of pass number. Adjust call to dump_register. Remove
5332 (register_dump_files): Now a wrapper around...
5333 (register_dump_files_1): ... this one. Do not modify the pass
5335 (next_pass_1): Cosmetic fix.
5336 (execute_todo): Keep second parameter only. Use curr_properties
5337 instead of fetching it from the pass structure. Check and set
5339 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5340 instead of fetching it from the pass structure. Fix calls to
5341 execute_todo. Update curr_properties and initialize .vcg RTL dump
5342 after running the pass. Reset last_verified.
5343 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5345 (FIRST_AUTO_NUMBERED_DUMP): New.
5346 (dump_register): Remove "num" parameter, assign it within the
5348 (get_dump_file_name): Modify template for dumps.
5349 * tree-dump.h (dump_register): Adjust prototype.
5350 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5351 (PROP_trees): Add PROP_gimple_lomp.
5352 (TODO_set_props): New.
5353 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5354 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5355 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5357 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5359 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5360 (sparc64-*-linux*): Likewise.
5361 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5362 * config/sparc/t-linux: New file.
5363 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5364 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5365 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5366 -m32 -mlong-double-128.
5368 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5369 * config/alpha/t-linux: New file.
5370 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5372 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5373 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5374 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5375 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5376 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5377 (CPP_ARCH32_SPEC): Remove.
5379 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5381 PR tree-optimization/26145
5382 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5385 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5388 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5389 >= 240000 when generating code for SOM runtime.
5390 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5391 to $$dyncall when generating code for SOM runtime..
5393 2006-02-07 Dirk Mueller <dmueller@suse.com>
5396 * doc/invoke.texi (-Wsequence-point): Update documentation
5397 that -Wsequence-point is implemented for C++ as well.
5399 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5401 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5402 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5403 (LIB_SPEC): Likewise.
5404 * doc/invoke.texi (SPARC options): Document -pthread.
5406 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5408 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5411 2006-02-07 Roger Sayle <roger@eyesopen.com>
5413 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5414 Correct comment describing BOOLEAN_TYPE.
5416 2006-02-07 Dirk Mueller <dmueller@suse.com>
5418 * c.opt: C++ frontend supports -Wdiv-by-zero.
5419 * c-opts.c (c_common_handle_option): Remove dead case.
5421 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5423 * configure.ac (TLS assembler check): Do not enable TLS by
5424 default on SPARC/Solaris before version 10.
5425 * configure: Regenerate.
5427 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5429 * doc/invoke.texi (xl-compat): Document conversion and support
5432 2006-02-07 Jeff Law <law@redhat.com>
5434 * tree-vrp.c (find_conditional_asserts): Update comments.
5435 (simplify_stmt_for_jump_threading): New.
5436 (identify_jump_threads, finalize_jump_threads): New.
5437 (vrp_finalize): Call identify_jump_threads.
5438 (execute_vrp): Call finalize_jump_threads.
5439 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5440 (vrp_element, vrp_data, vrp_element_p): Remove.
5441 (vrp_hash_elt, vrp_variables_stack): Remove.
5442 (vrp_hash, vrp_eq, record_range): Remove.
5443 (simplify_cond_and_lookup_avail_expr): Remove.
5444 (extract_range_from_cond): Remove.
5445 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5446 (simplify_stmt_for_jump_threading): New.
5447 (dom_thread_across_edge): New wrapper.
5448 (tree_ssa_dominator_optimize): No longer initialize or
5449 finalize any of the VRP datastructures. Remove iteration
5450 step and simplify as a result of removal of iteration step.
5451 (pass_dominator): Perform a cfg cleanup after DOM.
5452 (dom_opt_finalize_block): Use the new common routines
5453 for threading jumps. Simplify stack management slightly.
5454 No longer need to unwind VRP state.
5455 (record_equivalences_from_incoming_edge): No longer record
5457 (eliminate_redundant_computations): No longer call
5458 simplify_cond_and_lookup_avail_expr.
5459 * tree-flow.h (potentially_threadable_block): Prototype.
5460 (thread_across_edge): Likewise.
5461 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5462 (tree-ssa-threadedge.o): Add dependencies.
5463 * tree-ssa-threadedge.c: New file.
5464 * passes.c (init_optimization_passes): Merge PHIs before
5465 calling VRP. Run VRP again late in the SSA optimization pipeline.
5467 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5469 * df-core.c (df_set_blocks): Do not dereference function pointers.
5470 (df_finish1): Likewise.
5471 (df_hybrid_search_forward): Likewise.
5472 (df_hybrid_search_backward): Likewise.
5473 (df_iterative_dataflow): Likewise.
5474 (df_analyze_problem): Likewise.
5475 (df_compact_blocks): Likewise.
5476 (df_dump): Likewise.
5477 * df-scan.c (df_rescan_blocks): Likewise.
5478 (df_record_entry_block_defs): Likewise.
5480 * genconditions.c (write_conditions): Guard the definition of
5481 'insn_conditions' with the check on GCC version.
5482 (write_writer): Guard the traversal 'insn_conditions' with
5483 the check on GCC version.
5485 2006-02-07 Richard Guenther <rguenther@suse.de>
5489 2006-01-30 Richard Guenther <rguenther@suse.de>
5491 * gimplify.c (gimplify_target_expr): Handle easy cases
5492 without creating a temporary.
5494 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5496 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5497 use of float in probability computations. Use edge probabilities
5498 in place of statically computed probabilities.
5499 (min_spec_prob): New static variable.
5500 (schedule_insns): Initialize it.
5501 (GET_SRC_PROB): Removed.
5502 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5504 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5507 * config/ia64/unwind-ia64.c: Revert last change.
5508 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5509 (INCOMING_FRAME_SP_OFFSET): Define.
5511 2006-02-06 Roger Sayle <roger@eyesopen.com>
5513 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5515 2006-02-07 Ben Elliston <bje@au.ibm.com>
5517 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5518 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5519 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5520 (ix86_return_in_memory): Handle TDmode.
5521 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5522 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5524 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5526 * reorg.c (dbr_schedule): Use dump_file instead of file.
5528 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5531 * config/ia64/predicates.md (extr_len_operand): New predicate.
5532 * config/ia64/ia64.md (extv): Tighten constraints.
5534 (*tbit_and_2): Ditto.
5535 (*tbit_and_3): Ditto.
5536 (*tbit_or_2): Ditto.
5537 (*tbit_or_3): Ditto.
5541 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5544 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5546 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5548 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5549 loop_optimizer_init and loop_optimizer_finalize
5550 * tree-ssa-sink.c (execute_sink_code): Ditto.
5551 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5552 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5553 tree_ssa_loop_done): Ditto.
5554 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5555 * sched-ebb.c: Include output.h.
5556 (schedule_ebbs): Do not use dump argument.
5557 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5558 * loop.c (loop_dump_stream): Removed.
5559 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5561 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5562 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5563 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5564 loop_iterations, strength_reduce, record_biv, record_giv,
5565 final_giv_value, check_final_value, check_ext_dependent_givs,
5566 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5567 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5568 dump_file instead of loop_dump_stream.
5569 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5571 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5573 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5574 * haifa-sched.c: Include output.h
5575 (schedule_insns, sched_init): Do not use dump argument.
5576 * mode-switching.c (optimize_mode_switching): Ditto.
5577 * modulo-sched.c (stats_file): Removed.
5578 (print_node_sched_params): Do not call argument dump_file.
5579 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5580 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5582 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5584 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5585 rtl_loop_init, rtl_loop_done): Ditto.
5586 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5587 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5589 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5590 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5591 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5592 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5593 * emit-rtl.c (renumber_insns): Ditto.
5594 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5595 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5596 * regclass.c (regclass): Ditto.
5597 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5598 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5599 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5600 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5602 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5603 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5605 * gcse.c (gcse_file, debug_stderr): Removed.
5606 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5607 rest_of_handle_gcse): Do not use dump argument.
5608 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5609 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5610 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5611 compute_code_hoist_vbeinout, compute_code_hoist_data,
5612 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5613 compute_store_table, build_store_vectors, insert_insn_start_bb,
5614 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5615 store_motion): Use dump_file instead of gcse_file.
5616 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5617 * profile.c (profile_dump_file): Removed.
5618 (branch_prob): Use dump_file instead of profile_dump_file.
5619 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5621 * tree-ssa-copy.c (dump_copy_of): Ditto.
5622 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5623 dump file to life_analysis.
5624 * bt-load.c (branch_target_load_optimize): Ditto.
5625 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5627 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5628 regclass, dbr_schedule): Declaration changed.
5629 * sched-int.h (sched_init): Declaration changed.
5630 * tree-profile.c (tree_profile_dump_file): Removed.
5631 (tree_profile_hooks): Removed profile_dump_file hook.
5632 * rtl-profile (rtl_profile_dump_file): Removed.
5633 (rtl_profile_hooks): emoved profile_dump_file hook.
5634 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5636 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5637 * tree-cfg.c (build_tree_cfg): Ditto.
5638 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5639 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5640 Declaration changed.
5641 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5642 life_analysis and schedule_insns.
5643 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5645 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5647 * config/mips/mips.c (mips_reorg): Ditto.
5648 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5651 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5653 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5654 (s390_mangle_fundamental_type): New.
5655 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5658 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5659 (alpha_mangle_fundamental_type): New.
5660 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5663 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5665 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5667 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5668 (sparc_mangle_fundamental_type): New.
5670 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5672 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5673 (s390x-*-linux*): Likewise.
5674 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5675 * config/s390/t-linux: New file.
5677 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5679 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5680 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5682 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5684 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5685 (ANTIC_SAFE_LOADS): New macro.
5686 (find_or_generate_expression): Add prototype.
5687 (set_contains_value): Allow null set for sake of not always having
5688 to allocate ANTIC_SAFE_LOADS.
5689 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5690 Allow COMPONENT_REF too.
5691 (valid_in_set): Allow COMPONENT_REF.
5692 Check ANTIC_SAFE_LOADS too.
5693 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5694 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5696 (can_PRE_operation): Add COMPONENT_REF.
5697 (create_component_ref_by_pieces): New function.
5698 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5699 (insert_aux): Move AGGREGATE_TYPE_P check here.
5700 (compute_avail): Set bb local stmt uids.
5701 (pass_pre): Use TODO_update_ssa_only_virtuals.
5703 2006-02-06 Ben Elliston <bje@au.ibm.com>
5705 * configure.ac: Unconditionally disable decimal float by default.
5706 * configure: Regenerate.
5708 2006-02-06 Ben Elliston <bje@au.ibm.com>
5710 * read-rtl.c (read_name): Terminate reading on EOF.
5712 2006-02-06 Ben Elliston <bje@au.ibm.com>
5714 * dfp.c (decimal_real_arithmetic): Change second argument type
5715 from int to enum tree_code. Do not always return true, but now
5716 return result of any call to decimal_do helper functions.
5717 * dfp.h (decimal_real_arithmetic): Update prototype.
5719 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5721 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5723 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5726 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5729 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5731 * tree-vrp.c (cfg_loops): Removed.
5732 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5733 Use current_loops instead of cfg_loops. Pass flags to
5734 loop_optimizer_init.
5735 * cfgloopmanip.c (fix_loop_structure): Update only available
5737 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5738 loop_optimizer_init.
5739 * modulo-sched.c (build_loops_structure): Removed.
5740 (sms_schedule): Use loop_optimizer_init.
5741 * loop-init.c (loop_optimizer_init): Use flags to determine
5742 which properties of loops to prepare.
5743 (rtl_loop_init): Pass flags to loop_optimizer_init.
5744 * tree-ssa-sink.c (execute_sink_code): Ditto.
5745 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5746 * tree-ssa-pre.c (init_pre): Ditto.
5747 * cfgloop.h (LOOPS_NORMAL): New.
5748 (loop_optimizer_init): Declaration changed.
5750 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5752 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5753 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5755 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5757 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5759 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5760 * pa/t-pa64: Delete quadlib.c rule.
5761 * pa/x-ada: Revert last change.
5762 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5764 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5766 PR rtl-optimization/26087
5767 * rtlanal.c (canonicalize_condition): Do not cross basic block
5770 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5773 * config/ia64/ia64.c: Include debug.h.
5774 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5775 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5776 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5777 (process_epilogue, process_set, process_for_unwind_directive):
5778 Output unwind info only if requested. Add CFA info if requested.
5779 Add new arguments as needed. Adjust callers.
5780 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5782 (DWARF2_FRAME_INFO): Define to zero.
5783 * config/ia64/unwind-ia64.c: Remove code that compensated for
5784 the CFA offset error fixed above.
5785 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5786 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5787 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5788 -funwind-tables and -fexceptions to enable frame info.
5789 (dwarf2out_frame_init): Define initial CFA even if
5790 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5791 DWARF2_UNWIND_INFO is nonzero, not just defined.
5792 (dwarf2out_frame_finish): Output non-EH call frame info only
5793 if DWARF2_FRAME_INFO is nonzero.
5794 (convert_cfa_to_loc_list,
5795 compute_frame_pointer_to_cfa_displacement): Define even if
5796 unwind info is not supported.
5797 (gen_subprogram_die): Use the above unconditionally. Remove
5798 legacy alternate code.
5799 * toplev.c (compile_file): Compile in call to
5800 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5801 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5803 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5804 Jakub Jelinek <jakub@redhat.com>
5806 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5807 IBM extended float format long double as "g" on powerpc*-linux.
5809 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5812 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5813 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5815 2006-02-03 Jason Merrill <jason@redhat.com>
5818 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5821 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5822 on the return slot if it's an NRV.
5824 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5826 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5827 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5828 rewrite_use): Do not handle USE_OUTER.
5829 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5830 add_iv_outer_candidates, may_replace_final_value,
5831 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5832 (find_interesting_uses_op): Functionality of
5833 find_interesting_uses_outer_or_nonlin moved here.
5834 (find_interesting_uses_outside): Use find_interesting_uses_op.
5836 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5839 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5841 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5842 Ulrich Weigand <uweigand@de.ibm.com>
5845 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5846 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5847 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5848 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5850 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5851 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5852 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5853 Define secondary reloads for TFmode moves.
5854 (constant_modes): Add TFmode.
5855 (NR_C_MODES): Set to 8.
5856 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5858 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5859 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5860 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5861 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5862 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5863 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5864 (FPR mode macro): Add TFmode.
5865 (DSF mode macro): New.
5866 (<de>, <dee> mode attributes): Removed.
5867 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5868 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5869 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5870 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5871 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5872 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5873 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5874 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5875 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5876 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5877 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5878 "*negabs<mode>2", "sqrt<mode>2"):
5879 Changed <de> to <xde>. R constraint replaced by <Rf>.
5880 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5882 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5883 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5884 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5886 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5887 "extenddftf2", "extendsftf2"): New expanders.
5888 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5889 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5890 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5891 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5893 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5894 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5895 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5896 __floatditf): Add a GCC_4.1.0 symbol version tag.
5897 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5900 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5903 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5904 Use targetm.binds_local_p instead of TREE_PUBLIC.
5906 2006-02-02 Roger Sayle <roger@eyesopen.com>
5908 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5909 on INTEGER_TYPEs to indicate that it denotes a character type.
5910 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5911 signed_char_type_node, unsigned_char_type_node and char_type_node.
5912 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5913 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5914 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5916 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5917 Daniel Berlin <dberlin@dberlin.org>
5919 * tree-tailcall.c (arg_needs_copy_p): New function.
5920 (eliminate_tail_call): Use arg_needs_copy_p.
5921 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5922 (add_virtual_phis): New function.
5924 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5926 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5927 #ignore instead of #scratch for %g7 .register directive.
5929 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5931 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5934 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5936 * flow.c (calculate_global_regs_live): Assert that there aren't any
5939 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5941 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5943 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5944 bsi_after_labels iterator.
5945 * tree-if-conv.c (find_phi_replacement_condition,
5946 replace_phi_with_cond_modify_expr): Likewise.
5947 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5948 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5950 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5952 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5954 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5957 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5958 array after growing it.
5960 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5963 * fold-const.c (fold_checksum_tree): Change type of buf.
5965 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5967 * reload.c (push_secondary_reload): Initialize t_icode.
5969 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5971 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5972 -msoft-float -mlong-double-128 only issue a warning, but don't
5973 swich to DFmode long double.
5975 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5977 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5978 has a constant equivalent, iterate over equivalents for arg0,
5979 calling simplify_relational_operation and if there's a result
5980 cheaper than X, apply fold_rtx and return the result.
5982 2006-02-01 Jan Hubicka <jh@suse.cz>
5984 * opts.c (no_unit_at_a_time_default): New global variable.
5985 (decode_options): Use it.
5986 * opts.h (no_unit_at_a_time_default): Declare.
5988 2006-02-01 Paul Brook <paul@codesourcery.com>
5990 * function.c (assign_parm_setup_reg): Use function argument promotion
5992 * expr.c (expand_expr_real_1): Use function argument promotion rules
5995 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5997 * gcc.c (process_command): Change j to 'unsigned int'.
5999 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6002 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6003 Use the corrected index for the character
6004 out of the string constant.
6006 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6008 * mode-switching.c (optimize_mode_switching): Fix size
6009 allocated for bb_info[n_entities].
6011 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6013 * gcc.c (main): Correct type that is allocated for
6014 explicit_link_files.
6016 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6018 * config/s390/s390.c (init_alignment_context): Set
6019 ALIAS_SET_MEMORY_BARRIER on the MEM.
6020 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6022 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6025 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6027 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6030 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6032 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6033 * regrename.c: Ditto.
6034 * tree-ssa-loop-im.c: Ditto.
6035 * tree-dump.c: Ditto.
6036 * tree-complex.c: Ditto.
6037 * genrecog.c: Ditto.
6038 * tree-ssa-threadupdate.c: Ditto.
6040 * java/class.c: Ditto.
6041 * java/jcf-parse.c: Ditto.
6042 * java/resource.c: Ditto.
6043 * java/except.c: Ditto.
6044 * java/jvspec.c: Ditto.
6045 * java/jcf-write.c: Ditto.
6046 * java/jcf-path.c: Ditto.
6047 * java/gjavah.c: Ditto.
6048 * java/zextract.c: Ditto.
6049 * java/jcf-io.c: Ditto.
6050 * java/jcf.h: Ditto.
6051 * java/buffer.c: Ditto.
6052 * java/lang.c: Ditto.
6053 * java/parse-scan.y: Ditto.
6054 * java/lex.c: Ditto.
6055 * java/lex.h: Ditto.
6056 * cfgloopmanip.c: Ditto.
6057 * postreload-gcse.c: Ditto.
6058 * tree-ssa-loop-manip.c: Ditto.
6059 * postreload.c: Ditto.
6060 * tree-ssa-loop-ch.c: Ditto.
6064 * diagnostic.c: Ditto.
6066 * genoutput.c: Ditto.
6068 * cfghooks.c: Ditto.
6069 * cfgloopanal.c: Ditto.
6070 * objc/objc-act.c: Ditto.
6072 * genextract.c: Ditto.
6073 * genautomata.c: Ditto.
6074 * pretty-print.c: Ditto.
6076 * cgraphunit.c: Ditto.
6079 * haifa-sched.c: Ditto.
6080 * dominance.c: Ditto.
6082 * tree-ssa-loop-ivopts.c: Ditto.
6084 * mode-switching.c: Ditto.
6085 * modulo-sched.c: Ditto.
6087 * ipa-pure-const.c: Ditto.
6089 * fix-header.c: Ditto.
6091 * tree-stdarg.c: Ditto.
6092 * ipa-utils.c: Ditto.
6093 * loop-init.c: Ditto.
6094 * ipa-inline.c: Ditto.
6097 * alloc-pool.c: Ditto.
6098 * dwarf2out.c: Ditto.
6100 * genattrtab.c: Ditto.
6101 * tree-ssa-loop-ivcanon.c: Ditto.
6105 * fortran/gfortranspec.c: Ditto.
6107 * local-alloc.c: Ditto.
6108 * langhooks.c: Ditto.
6109 * function.c: Ditto.
6110 * tree-vectorizer.c: Ditto.
6112 * ipa-type-escape.c: Ditto.
6114 * tree-if-conv.c: Ditto.
6117 * tree-data-ref.c: Ditto.
6118 * loop-unroll.c: Ditto.
6119 * treelang/treetree.c: Ditto.
6122 * ggc-common.c: Ditto.
6124 * coverage.c: Ditto.
6126 * tree-cfgcleanup.c: Ditto.
6127 * tree-ssa-pre.c: Ditto.
6128 * cfgcleanup.c: Ditto.
6129 * loop-invariant.c: Ditto.
6131 * ipa-prop.c: Ditto.
6132 * print-tree.c: Ditto.
6133 * conflict.c: Ditto.
6134 * ggc-page.c: Ditto.
6135 * sched-deps.c: Ditto.
6136 * regclass.c: Ditto.
6137 * tree-object-size.c: Ditto.
6139 * bb-reorder.c: Ditto.
6140 * resource.c: Ditto.
6141 * var-tracking.c: Ditto.
6143 * df-problems.c: Ditto.
6144 * reg-stack.c: Ditto.
6147 * sched-rgn.c: Ditto.
6148 * tree-ssa-structalias.c: Ditto.
6149 * tree-ssa-reassoc.c: Ditto.
6150 * config/darwin-c.c: Ditto.
6151 * config/darwin.c: Ditto.
6152 * config/arm/arm.c: Ditto.
6154 * collect2.c: Ditto.
6157 2006-01-31 Nicolas Pitre <nico@cam.org>
6159 * arm.md (smaxsi3): Make aware of smax_m1.
6162 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6164 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6166 2006-01-31 Richard Guenther <rguenther@suse.de>
6168 * doc/invoke.texi (-msselibm): Document.
6169 * target.h (expand_library_builtin): New target hook.
6170 * builtins.c (expand_builtin): Use expand_library_builtin.
6171 (default_expand_library_builtin): New function.
6172 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6173 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6174 (link_gcc_math_spec): Declare.
6175 (static_specs): Add link_gcc_math_spec.
6176 * expr.h (default_expand_library_builtin): Declare.
6177 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6178 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6179 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6180 * config/i386/i386.opt (msselibm): New target option.
6181 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6182 (ix86_init_sse_abi_builtins): New function.
6183 (ix86_expand_library_builtin): Likewise.
6184 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6185 (override_options): Handle error conditions wrt -msselibm.
6186 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6187 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6188 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6191 2006-01-31 Richard Guenther <rguenther@suse.de>
6192 Paolo Bonzini <bonzini@gnu.org>
6194 * doc/install.texi (--disable-libgcc-math): Document.
6196 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6198 * expr.h (expand_normal): new inline function.
6199 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6201 * dwarf2out.c: use it.
6206 * config/sparc/sparc.c: use it.
6207 * config/i386/i386.c: use it.
6208 * config/rs6000/rs6000.c: use it.
6209 * config/arm/arm.c: use it.
6210 * config/mips/mips.c: use it.
6211 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6213 2006-01-30 Roger Sayle <roger@eyesopen.com>
6215 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6216 argv to the appropriate type.
6218 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6220 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6223 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6226 * config/s390/s390.c (struct machine_function): New flag
6227 decomposed_literal_pool_addresses_ok_p.
6228 (s390_reorg): Set it before final stage of literal pool transforms.
6229 (s390_decompose_address): Only accept displacements of the form
6230 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6232 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6234 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6235 the comparison routine return.
6237 2006-01-30 Michael Matz <matz@suse.de>
6239 * global.c (find_reg): Only evict for global regs.
6240 Take n_refs into account and dump more info.
6242 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6245 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6246 (pragma_trap, pragma_nosave_low_regs): Likewise.
6247 (current_function_anonymous_args): Likewise.
6248 (sh_deferred_function_attributes): New variable.
6249 (sh_deferred_function_attributes_tail): Likewise.
6250 (print_operand): For '@', look up trap_exit attribute.
6251 (calc_live_regs): Look up trapa_handler attribute. For trapa
6252 handlers, save/restore fpscr, but don't do any other
6253 interrupt-specific saves.
6254 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6255 Fix check for partially saved registers to check for SHmedia.
6256 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6257 (sh_output_function_epilogue): Don't clear any of the removed
6259 (sh_insert_attributes): Don't check pragma_interrupt.
6260 Insert deferred attributes. Check that interrupt attribute is
6261 present for other attributes that require its presence.
6262 (sh_attribute_table): Add new attributes trapa_handler and
6264 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6265 Don't check for pragma_interrupt. Don't store argument.
6266 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6267 (sh_deferred_function_attributes): Declare.
6268 (sh_deferred_function_attributes_tail): Likewise.
6269 * sh.md (sp_switch_1): Add operand. Change generator caller.
6270 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6271 (*return_i): Don't use when trap_exit attribute is in effect.
6272 (*return_trapa): New insn pattern.
6274 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6275 setting c_target_objs and cxx_target_objs.
6276 * t-sh: Add rule for sh-c.o.
6278 2006-01-30 Richard Guenther <rguenther@suse.de>
6281 * gimplify.c (gimplify_target_expr): Handle easy cases
6282 without creating a temporary.
6284 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6286 * vec.h (safe_grow): Remove duplicated line.
6288 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6291 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6292 (expand_omp): ... here.
6293 (expand_omp_parallel): Only remove barriers for combined
6294 parallel+workshare constructs.
6296 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6300 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6301 * tree.c (build_qualified_type): Chain the new type to the original
6302 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6303 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6304 (build_pointer_type_for_mode): Only return unqualified types.
6305 (build_reference_type_for_mode): Likewise.
6307 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6309 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6310 * Makefile.in (CXX_COMPAT_WARN): Define.
6311 * configure: Regenerate.
6313 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6316 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6319 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6321 * toplev.c: Fix thinko.
6323 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6324 Marcin Dalecki <martin@dalecki.de>
6326 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6327 (push_srcloc): Use XNEW.
6328 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6330 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6332 * df-core.c (df_set_blocks): Deleted all variable.
6334 2006-01-28 Ian Lance Taylor <ian@airs.com>
6336 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6337 cgraph_output_pending_asms.
6339 2006-01-28 Zack Weinberg <zackw@panix.com>
6341 * c.opt: Add -W(no-)overlength-strings.
6342 * doc/invoke.texi: Document it.
6343 * c-opts.c (c_common_handle_option): -pedantic implies
6344 -Woverlength-strings, if not explicitly disabled already.
6345 (c_common_post_options): -Woverlength-strings defaults to off, and
6346 is always off for C++.
6347 * c-common.c (fix_string_type): Issue warning about strings longer
6348 than is portable only if warn_overlength_strings. Rearrange code
6349 a little for clarity.
6350 * configure.in: Check for -Wno-overlength-strings as well before
6351 enabling -pedantic in stage 1.
6352 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6353 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6355 * genconditions.c (write_header, write_one_condition)
6356 (write_conditions, write_writer): Consolidate very long strings
6357 that were broken up to fit in C89 portable limit. Don't use
6358 printf when fputs will do.
6360 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6362 * combine.c (simplify_comparison <AND>): Check
6363 TRULY_NOOP_TRUNCATION before start using a subreg.
6365 * config/mips/mips.md (*branch_zero<mode>,
6366 *branch_zero<mode>_inverted, *branch_equality<mode>,
6367 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6368 Remove mode check from comparisons.
6370 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6372 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6374 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6376 * expmed.c (const_mult_add_overflow_p): Remove.
6377 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6379 * recog.c (validate_replace_rtx_subexp): Remove.
6380 * recog.h: Remove the prototype for
6381 validate_replace_rtx_subexp.
6383 * integrate.h: Remove the prototype for
6384 copy_decl_for_inlining.
6385 * rtl.h: Remove the prototype for mark_constant_function.
6386 * tree-vectorizer.h: Remove the prototype for
6387 vect_strip_conversion.
6389 * modulo-sched.c (create_partial_schedule,
6390 free_partial_schedule, reset_partial_schedule): Make them
6393 * hooks.c (hook_bool_rtx_int_false): Remove.
6394 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6396 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6398 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6399 and -mlong-double-128 are incompatible.
6400 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6401 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6402 (TARGET_LIBGCC2_CFLAGS): Define.
6403 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6404 (TARGET_LIBGCC2_CFLAGS): Same.
6405 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6407 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6410 * c-typeck.c (build_binary_op): Perform implicit casts of
6411 operands before shortening them.
6413 * cfgloopmanip.c (split_loop_bb): Remove.
6414 * cfgloop.h: Remove the prototype for split_loop_bb.
6416 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6417 * cfgloop.h: Remove the prototype for
6418 flow_loop_outside_edge_p.
6420 * emit-rtl.c (init_virtual_regs): Make it static.
6421 * function.h: Remove the prototype for init_virtual_regs.
6423 * recog.c (peephole2_optimize): Make it static.
6424 * recog.h: Remove the prototype for peephole2_optimize.
6426 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6428 * df-scan.c (df_record_entry_block_defs): Check if
6429 INCOMING_RETURN_ADDR_RTX is defined.
6431 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6432 Kenneth Zadeck <zadeck@naturalbridge.com>
6434 PR rtl-optimization/24762
6435 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6436 * targhooks.c (hook_void_bitmap): New hook prototype.
6437 * targhoohs.h (hook_void_bitmap): Ditto.
6438 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6439 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6440 * target.h (live_on_entry): New function pointer.
6441 * df-scan.c (df_all_hard_regs): Removed.
6442 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6443 (df_scan_free_internal): Added df->entry_block_defs.
6444 (df_scan_alloc): Ditto.
6445 (df_scan_dump): Ditto.
6446 (df_uses_record): Plumbed flag field properly thru calls.
6447 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6448 This part fixes PR24762.
6449 (df_bb_refs_record): Added code to make the frame and arg
6450 pointers live in EH blocks.
6451 (df_refs_record): Added call to df_record_entry_block_defs.
6452 (df_record_entry_block_defs): New function.
6453 * df-core.c: Added comments to describe new artifical defs.
6454 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6455 (entry_block_defs): New field in struct df.
6456 (df_all_hard_regs): Deleted.
6457 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6458 * df-problems.c (df_ru_bb_local_compute_process_def):
6459 Added code to handle artifical defs in the entry to a function.
6460 (df_ru_bb_local_compute): Ditto.
6461 (df_rd_bb_local_compute_process_def): Ditto.
6462 (df_rd_bb_local_compute): Ditto.
6463 (df_lr_bb_local_compute): Ditto.
6464 (df_ur_bb_local_compute): Ditto.
6465 (df_urec_bb_local_compute): Ditto.
6466 (df_chain_create_bb): Ditto.
6467 (df_ur_local_finalize): Removed entry.
6468 (df_urec_init): Ditto.
6469 (df_urec_local_finalize): Ditto.
6470 (df_ri_bb_compute): Added detection of last use of pseudos.
6471 * Makefile.in (df-scan.o): Updated dependencies.
6472 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6473 * config/mips/mips.c (mips_set_live_on_entry): Added.
6474 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6476 * dce.c (marked_insn_p): Added code to handle artifical defs.
6478 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6480 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6482 (_mm_cvtsi128_si64): Likewise.
6483 (_mm_cvtsd_si64): Likewise.
6484 (_mm_cvttsd_si64): Likewise.
6485 (_mm_cvtsi64_sd): Likewise.
6486 (_mm_cvtsi64_si128): Likewise.
6487 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6488 (_mm_cvtsi64_m64): Likewise.
6489 (_m_to_int64): Likewise.
6490 (_mm_cvtm64_si64): Likewise.
6491 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6492 (_mm_cvttss_si64): Likewise.
6493 (_mm_cvtsi64_ss): Likewise.
6494 (_mm_cvtss_f32): Likewise.
6496 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6498 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6499 for pragma redefine_extname.
6501 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6504 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6505 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6506 -mno-minimal-toc to previous content.
6507 (bispecs): Remove goal.
6508 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6509 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6510 compatibility aliases on powerpc-*-*gnu*.
6511 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6512 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6513 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6514 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6515 (ldblspecs): New goal.
6516 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6517 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6519 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6520 L_sf_to_tf or L_df_to_tf is defined.
6522 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6523 Alan Modra <amodra@bigpond.net.au>
6526 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6527 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6528 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6529 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6530 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6531 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6532 (rs6000_override_options): Initialize rs6000_ieeequad.
6533 Initialize TFmode format to ibm_extended_format if not
6535 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6537 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6538 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6539 (function_arg_advance): IBM long double passed in two FPRs, not
6541 (function_arg): IBM long double passed in FPRs.
6542 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6543 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6544 Only multireg GPR aligned.
6545 (rs6000_init_libfuncs): Enable IBM long double functions if not
6547 (rs6000_generate_compare): Use IBM long double compare if not
6549 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6550 (TARGET_IEEEQUAD): Define.
6551 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6552 not TARGET_IEEEQUAD.
6553 * config/rs6000/rs6000.md: Enable TFmode patterns if
6555 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6556 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6557 and -mlong-double-128 are incompatible.
6558 * doc/invoke.texi (-mabi): Collect options together. Add
6559 ibmlongdouble and ieeelongdouble.
6561 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6563 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6565 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6566 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6567 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6568 * rtl.h (rtunion_def): Remove rt_ptr.
6570 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6571 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6572 * config/i386/winnt.c (i386_pe_mark_dllexport)
6573 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6575 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6577 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6579 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6583 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6584 pthread_key_delete. From John David Anglin. gthrw-ify
6585 pthread_getunique_np only if it it's not a macro. Delete
6587 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6588 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6589 __gthread_objc_condition_signal, __gthread_key_delete): Add
6590 "__attribute__ ((__unused__))" to unused arguments.
6591 (__gthread_recursive_mutex_init_function): Add missing return.
6592 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6593 gthr-posix95.h: Use macro-based approach for name redirection
6594 on targets missing weakref.
6596 2006-01-26 Zack Weinberg <zackw@panix.com>
6598 * genconditions.c (write_header): In generated code, #ifdef out
6599 all includes and fake declarations, except includes of bconfig.h
6600 and system.h, unless GCC_VERSION >= 3001. Do not include
6601 gensupport.h in any case.
6602 (write_conditions): Generate a definition of struct c_test. Add
6603 a comment to the generated #endif.
6604 (write_one_condition): Escape backslashes in string too.
6605 (write_writer): Generated code must escape backslashes and quote
6606 marks (but not newlines) in the strings it writes.
6607 * Makefile.in (build/gencondmd.o): Update dependencies.
6609 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6612 * Makefile.in (insn-automata.o): Add header file dependencies.
6613 * genautomata.c: Add includes.
6615 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6618 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6620 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6622 * configure.ac: Expect target tools paths to be passed from the toplevel
6623 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6625 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6627 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6630 * c.opt (Wpointer-sign): Init to -1.
6631 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6632 OPT_pedantic, to 0 otherwise.
6633 * doc/invoke.texi: Update.
6635 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6637 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6638 constants provided by 80387 instructions in the destination mode.
6640 2006-01-26 Richard Guenther <rguenther@suse.de>
6641 Andrew Pinski <pinskia@physics.uc.edu>
6644 partial PR tree-opt/17064
6645 * tree-ssa-structalias.c (intra_create_variable_infos):
6646 Create heap variables for incoming parameters if
6647 flag_argument_noalias > 1.
6648 (find_what_p_points_to): Look through default defs of
6651 2006-01-26 Jeff Law <law@redhat.com>
6654 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6655 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6656 within the VR_RANGE, use the VR_RANGE as the result, not the
6658 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6659 bounds for the type.
6661 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6663 * tree-ssa-alias.c (maybe_create_global_var): Change
6664 subvar walking to an assertion that we don't have subvar'd variables.
6666 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6669 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6670 Use a new variable, inner. PARM_DECLs are always non-weak.
6672 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6674 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6677 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6679 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6681 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6683 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6684 (smax_insn, smin_insn, smax_0, smin_0): New.
6686 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6689 * config/cris/cris.c (cris_order_for_addsi3): New function.
6690 * config/cris/cris-protos.h: Prototype it.
6691 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6692 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6693 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6694 (split for "op.S1 [rx=rx+i],ry (swapped)")
6695 (split for "op(s|u).S1 [rx=rx+i],ry")
6696 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6697 Apply cris_order_for_addsi3 when generating addsi3 insns.
6699 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6701 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6702 (TREE_BLOCK): Add call to EXPR_CHECK.
6704 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6707 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6708 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6709 (dump_omp_clauses): ... here.
6710 (dump_generic_node): Handle OMP_CLAUSE.
6711 * tree.c (omp_clause_num_ops): New.
6712 (omp_clause_code_name): New.
6713 (tree_code_size): Handle OMP_CLAUSE.
6714 (tree_size): Likewise.
6715 (make_node): Document handling of OMP_CLAUSE.
6716 (tree_node_structure): Handle OMP_CLAUSE.
6717 (omp_clause_check_failed): New.
6718 (omp_clause_range_check_failed): New.
6719 (omp_clause_operand_check_failed): New.
6720 (build_omp_clause): New.
6721 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6722 * tree.h (enum omp_clause_code): Declare.
6723 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6724 (OMP_CLAUSE_RANGE_CHECK): Define.
6725 (OMP_CLAUSE_ELT_CHECK): Define.
6726 (omp_clause_check_failed): Declare.
6727 (omp_clause_operand_check_failed): Declare.
6728 (omp_clause_range_check_failed): Declare.
6729 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6730 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6731 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6732 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6733 (OMP_CLAUSE_IF_EXPR): Likewise.
6734 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6735 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6736 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6737 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6738 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6739 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6740 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6741 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6742 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6743 (OMP_CLAUSE_CODE): Define.
6744 (OMP_CLAUSE_SET_CODE): Define.
6745 (OMP_CLAUSE_CODE): Define.
6746 (OMP_CLAUSE_OPERAND): Define.
6747 (struct tree_omp_clause): Declare.
6748 (union tree_node): Add field 'omp_clause'.
6749 * treestruct.def (TS_OMP_CLAUSE): Define.
6750 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6751 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6752 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6753 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6754 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6755 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6756 (OMP_CLAUSE): Define.
6757 * print-tree.c (print_node): Handle OMP_CLAUSE.
6758 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6759 * c-typeck.c: Likewise.
6760 * gimplify.c: Likewise.
6761 * c-omp.c: Likewise.
6762 * tree-nested.c: Likewise.
6763 * tree-inline.c: Likewise.
6764 * c-parser.c: Likewise.
6765 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6768 2006-01-25 Roger Sayle <roger@eyesopen.com>
6770 PR rtl-optimization/25703
6771 * combine.c (try_combine): Handle zero_extract and strict_low_part
6772 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6774 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6776 * global.c: Fix comment typos.
6778 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6781 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6782 Use output_addr_const instead of assemble_name.
6784 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6786 * Makefile.in (sched-vis.o): Update dependencies.
6787 * haifa-sched.c (sched_finish): Clear current_sched_info.
6788 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6789 (dump_flow_info): Call it.
6790 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6792 * basic-block.h (dump_bb_info): Declare.
6793 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6794 option, and apply options only for dump files whose TDF_RTL,
6795 TDF_TREE, or TDF_IPA bits match.
6796 * rtl.h: Declare new functions exported from sched-vis.c.
6797 * sched-vis.c: Enable also if scheduling is not used.
6798 (print_value): Print the mode of registers if not inside scheduling.
6799 (print_insn): Make it work outside the scheduler. Beautify the output
6801 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6803 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6805 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6806 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6807 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6808 depending on the value of CONSTANT_POOL_ADDRESS_P.
6809 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6811 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6812 rather than SYMBOL_REF_DECL.
6813 (rtx_constant_pool): Remove const_rtx_sym_htab.
6814 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6815 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6816 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6817 Remove handling of const_rtx_sym_htab.
6818 (find_pool_constant): Delete.
6819 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6820 rather than find_pool_constant.
6821 (get_pool_constant_for_function): Delete.
6822 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6824 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6825 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6826 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6827 (SYMBOL_REF_CONSTANT): New macro.
6828 (get_pool_constant_for_function): Delete.
6829 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6830 rather than SYMBOL_REF_DECL.
6831 (i386_pe_mark_dllimport): Likewise.
6832 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6833 rather than SYMBOL_REF_DECL.
6834 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6835 (machopic_indirect_call_target): Likewise.
6837 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6839 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6841 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6843 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6845 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6847 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6849 2006-01-24 David Daney <ddaney@avtrex.com>
6852 * configure.ac (enable_tls): New enable option.
6853 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6854 * configure: Regenerate.
6855 * doc/install.texi (--enable-tls): Document new option.
6856 (--disable-tls): Ditto.
6858 2006-01-24 Richard Henderson <rth@redehat.com>
6860 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6861 * alias.c (true_dependence): Respect it.
6862 (canon_true_dependence, write_dependence_p): Likewise.
6863 * builtins.c (get_builtin_sync_mem): Set it.
6865 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6867 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6870 2006-01-24 DJ Delorie <dj@redhat.com>
6872 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6873 for storing constants in single-bit bitfields.
6875 2006-01-25 Ben Elliston <bje@au.ibm.com>
6877 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6879 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6882 * tree-ssa-pre.c (phi_translate): Return NULL
6883 for AGGREGATE_TYPE's.
6885 2006-01-24 Zack Weinberg <zackw@panix.com>
6887 * genautomata.c (process_state_for_insn_equiv_partition):
6888 Use xcalloc for insn_arcs_array.
6889 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6890 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6892 2006-01-24 Richard Henderson <rth@redhat.com>
6894 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6897 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6899 PR rtl-optimization/25890
6900 PR rtl-optimization/25905
6901 * combine.c (expand_compound_operation, expand_field_assignment):
6902 Fail if the bitfield's final position is out of bounds.
6904 2006-01-24 Ian Lance Taylor <ian@airs.com>
6907 * cgraphunit.c (cgraph_output_in_order): Don't clear
6908 cgraph_asm_nodes until after asm strings have been output.
6910 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6912 * fix-header.c (read_scan_file): Add new parameter imultilib when
6913 calling register_include_chains.
6915 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6917 * omp-low.c: Update documentation.
6919 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6920 Daniel Berlin <dberlin@dberlin.org>
6924 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6925 return from the function.
6927 2006-01-22 Zack Weinberg <zackw@panix.com>
6929 * rtl.def (match_code): Add second argument.
6930 * genpreds.c (write_extract_subexp): New function.
6931 (write_match_code): Add path argument. Use write_extract_subexp.
6932 (write_predicate_expr): Pass path to write_match_code.
6933 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6934 not perform a mode test.
6935 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6936 a subexpression does not constrain the top-level code set.
6937 * read-rtl.c (read_rtx_variadic): New function.
6938 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6939 * doc/md.texi: Document new notation.
6940 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6941 (cmpsi_operand): ... here, using new notation.
6943 2006-01-22 Zack Weinberg <zackw@panix.com>
6945 * varray.c: Remove GENERATOR_FILE #ifdefs.
6947 2006-01-22 Zack Weinberg <zackw@panix.com>
6949 * genautomata.c (output_reserved_units_table): Emit nothing if
6950 description->query_units_num is zero. Remove extra blank line.
6951 (output_cpu_unit_reservation_p): Short circuit
6952 if description->query_units_num is zero.
6954 2006-01-22 Zack Weinberg <zackw@panix.com>
6956 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6957 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6958 nor any of the random handful of variables that used to be necessary
6959 when this program was linked with rtlanal.o. Prune set of forward
6960 function declarations.
6961 (struct attr_desc): Remove static_p field.
6962 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6963 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6964 (attr_string): Do not read the character one past the length of
6966 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6967 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6968 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6969 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6970 (make_automaton_attrs): New.
6971 (main): Do not call into genautomata. Call local gen_bypass
6972 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6973 Remove special case for insn_alts.
6974 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6975 varray.h (leftover from previous change). Prune set of forward
6976 function declarations. Remove state_alts fields from all
6977 structures. Remove state_alts_table from struct automaton.
6978 Make everything except main static. Do not maintain num_dfa_decls.
6979 Do not maintain state_alts fields of various structures.
6980 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6981 (add_arc): Remove state_alts argument. All callers updated.
6982 (output_reserved_units_table): Emit #ifdef here...
6983 (output_tables): ...not here. Don't generate state_alts tables.
6984 (expand_automata): Don't generate attributes.
6985 (write_automata): Don't generate state_alts functions.
6986 (main): New function.
6987 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6988 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6989 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6990 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6991 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6992 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6993 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6994 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6996 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6997 * genattrtab.h: Delete file.
6998 * Makefile.in (OBJS-common): Add insn-automata.o.
6999 (insn-automata.o): New rule.
7000 (simple_generated_c): Add insn-automata.c.
7001 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7002 (genprogmd): Add automata.
7003 (build/genattrtab): Needs no extra objects nor libraries.
7004 (build/genautomata): Needs build/vec.o and -lm.
7006 2006-01-22 Zack Weinberg <zackw@panix.com>
7008 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7009 (output_dfa_max_issue_rate, locked_states_num): Delete.
7010 (struct automaton): Add locked_states field.
7011 (output_dead_lock_vect): Save number of locked states in
7012 automaton->locked_states. If it is zero, don't print anything.
7013 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7014 (output_internal_dead_lock_func): Only test the dead_lock_vect
7015 for automata that have locked states.
7016 (output_statistics): Always print the number of locked states for
7017 each automaton. Calculate total number of locked states here.
7018 (write_automata): Don't call output_dfa_max_issue_rate.
7019 * genattrtab.c: Define length_unit_log as a const variable.
7020 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7021 max_insn_queue_index const.
7022 * final.c (length_unit_log): Declare const.
7023 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7025 2006-01-22 Zack Weinberg <zackw@panix.com>
7027 * genautomata.c: Include vec.h, not varray.h.
7028 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7029 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7030 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7031 VEC_* macros operating on appropriately typed vectors, or to
7032 malloced arrays when the size is known in advance. Const-ify
7033 many char* variables and function arguments. No functional changes.
7034 * Makefile.in (build/varray.o): Delete rule.
7035 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7036 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7038 2006-01-22 Zack Weinberg <zackw@panix.com>
7040 * gensupport.c: Define get_insn_name and record_insn_name here.
7041 (read_md_rtx): Call record_insn_name as appropriate.
7042 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7043 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7044 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7046 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7047 (BUILD_VARRAY): Delete.
7048 (genprognormal): Rename genprogmd. Fold in all programs from
7049 genprognoprint; also attrtab.
7050 (build/genattrtab): Just mention genautomata.o and varray.o.
7051 Reorganize a bit, add comments to make the categories clearer.
7053 2006-01-22 Zack Weinberg <zackw@panix.com>
7055 * genconditions.c (condition_table, add_condition): Delete.
7056 (write_conditions): Don't emit n_insn_conditions nor
7057 insn_elision_unavailable. Issue the gcc version #ifdef here,
7058 inside the table, with no #else clause ...
7059 (write_header): ...not here.
7060 (write_writer): New function.
7061 (main): Don't initialize condition_table. Use add_c_test.
7063 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7064 files on the command line.
7065 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7066 Return -1 if there is no entry in the table, don't abort.
7067 (add_c_test, traverse_c_tests): New functions.
7068 * gensupport.h (insn_elision_unavailable, insn_conditions)
7069 (n_insn_conditions): Delete declarations.
7070 (add_c_test, traverse_c_tests): Declare.
7071 * read-rtl.c: Include gensupport.h.
7072 (read_conditions): New function.
7073 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7074 (read_rtx_1): If we get EOF when we were looking for an initial
7075 open paren, return 0. Call read_conditions when appropriate.
7076 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7077 dummy-conditions.o. Eliminate references to insn-conditions.o,
7078 or change them to build/gencondmd.o, as appropriate. Remove
7079 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7080 from $(simple_generated_c). For all files remaining in those
7081 two lists, add insn-conditions.md to the generator command line.
7082 Give insn-constants.h/s-constants their own rules. Add rules
7083 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7084 (build/read-rtl.o): Depend on gensupport.h.
7085 (genprognormal): Include preds.
7086 (genprogearly): Rename genprognoprint; only difference is now that
7087 they don't link with $(BUILD_PRINT).
7088 * dummy-conditions.c: Delete.
7090 2006-01-22 Zack Weinberg <zackw@panix.com>
7092 * genextract.c: Don't include insn-config.h. Do include vec.h.
7093 Declare vectors of int, char, and locstr.
7094 (locstr): New typedef.
7095 (struct extraction): Make all array fields into bare pointers.
7096 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7097 (insn_code_number): Delete.
7098 (accum_extract): New struct.
7099 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7100 (gen_insn): Take insn_code_number as an argument. Use an
7101 accum_extract structure instead of loading data directly into
7102 a struct extraction, and having to know how big it might get.
7103 (walk_rtx): Operate entirely on an accum_extract structure.
7104 (print_path): Avoid unnecessary use of printf.
7105 (print_header): New function, split out of main. Distinguish
7106 more carefully between an unrecognizable insn and an insn that
7107 has the code number of a define_expand.
7108 (main): Pass insn_code_number to gen_insn. Call print_header
7109 only after parsing. Avoid unnecessary use of printf.
7110 * Makefile.in (build/vec.o): New rule.
7111 (build/genextract): Depend on build/vec.o.
7112 (build/genextract.o): Don't depend on insn-config.h.
7114 2006-01-22 Zack Weinberg <zackw@panix.com>
7116 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7117 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7118 practical. Eliminate per-generator-program link rules.
7120 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7123 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7124 with a call expr to ...
7125 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7127 2006-01-23 Richard Guenther <rguenther@suse.de>
7129 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7130 before make_edge with conditional EDGE_TRUE_VALUE.
7132 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7133 Jan Hubicka <jh@suse.cz>
7134 Richard Guenther <rguenther@suse.de>
7136 PR rtl-optimization/25654
7137 * cfgexpand.c (aggregate_contains_union_type): New function.
7138 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7139 for structure variables that contain a union type.
7141 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7143 * gengtype.c (new_structure): Return the structure.
7144 (create_option): Add an extra "next" argument.
7145 (create_field): New function.
7146 (adjust_field_rtx_def): Use create_option and create_field.
7147 Remove a now-unnecessary call to find_structure.
7148 (adjust_field_tree_def): Likewise.
7149 (note_yacc_type): Remove an unnecessary call to find_structure.
7150 * gengtype.h (new_structure): Return the structure.
7151 (create_option): Add an extra argument.
7152 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7153 (option): Adjust calls to create_option.
7155 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7157 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7159 2006-01-22 Paul Brook <paul@codesourcery.com>
7160 Peter Barada <peter@the-baradas.com>
7162 * config/m68k/m68k.md: Add Coldfire FPU support.
7163 Define FP mode macro and associated attributes.
7164 Use it for float mode patterns.
7165 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7166 (LIBCALL_VALUE): Use m68k_libcall_value.
7167 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7168 (m68k_function_value): Ditto.
7169 (emit_move_sequence): Ditto.
7170 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7171 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7172 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7173 (MULTILIB_EXCEPTIONS): Ditto.
7174 * config/m68k/m68k.opt: Add mcfv4e.
7175 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7176 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7177 (m68k_output_function_prologue): Save ColdFire FPU registers.
7178 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7179 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7180 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7181 ColdFire FPU registers.
7182 (m68k_libcall_value, m68k_function_value): New functions.
7183 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7184 (LIBCALL_VALUE): Use m68k_libcall_value.
7185 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7186 (MASK_COLDFIRE): Add MASK_CFV4E.
7187 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7188 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7189 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7190 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7191 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7192 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7193 * doc/invoke.tex: Document -mcfv4e on m68k.
7195 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7197 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7200 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7203 * c-opts.c (c_common_handle_option): Don't include
7204 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7205 * doc/invoke.texi (C++ Dialect Options): Document that
7206 -Wnon-virtual-dtor is no longer included in -Wall.
7208 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7210 * gcov.c (print_version), gcov-dump.c (print_version),
7211 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7214 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7216 * df-scan.c (problem_SCAN): Added NULL reset function.
7217 (df_scan_reset_blocks): Added code to call reset block function
7218 (df_bb_refs_delete) Fixed comment.
7219 (df_insn_refs_delete): Made tolerant of deleting non existent info
7220 for dataflow problems that need to be reset.
7221 * df-core.c (df_set_blocks): Ditto.
7222 * df.h (struct df_problem): Added reset_fun.
7223 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7224 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7225 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7226 functions to clear out all references to def-use or use-def chains.
7228 2006-01-21 Ben Elliston <bje@au.ibm.com>
7230 * varasm.c (assemble_real): Initialise data array.
7232 2006-01-20 Paul Brook <paul@codesourcery.com>
7234 Merge from csl-arm-branch.
7235 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7236 * config/arm/arm.md (movdi): Force operands[1] to a register
7237 if we have a non-register source.
7238 (*arm_movdi, *movdf_soft_insn): Require that one of the
7239 operands be a register.
7240 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7241 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7243 2006-01-20 DJ Delorie <dj@redhat.com>
7245 * varasm.c (initialize_constant_valid_p): Allow pointers
7246 initialized from integer constants of lesser precision.
7247 (output_constant): Allow non-int-sized pointer modes to be
7248 initialized from integer constants.
7250 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7253 * cppdefault.h (struct default_include): Add multilib flag.
7254 * cppdefault.c (cpp_include_defaults): Set it.
7255 * c.opt (-imultilib): New option.
7256 * c-opts.c (imultilib): New.
7257 (c_common_handle_option): Handle -imultilib.
7258 (c_common_post_options): Likewise.
7259 * c-incpath.c (add_standard_paths, register_include_chains):
7261 * c-incpath.h (register_include_chains): Add extra parameter.
7262 * gcc.c (do_spec_1): Generate -imultilib option.
7263 (The Specs Language): Update %I description.
7264 (process_command): Update copyright notice.
7265 * doc/cppopts.texi (-imultilib): Document.
7266 * doc/invoke.texi (-imultilib): Include in option summary.
7267 (%I): Update specs documentation.
7269 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7271 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7273 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7275 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7278 2006-01-20 Richard Guenther <rguenther@suse.de>
7279 Steven Bosscher <stevenb.gcc@gmail.com>
7281 PR rtl-optimization/24626
7282 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7283 EDGE_TRUE_VALUE if in RTL mode.
7286 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7287 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7289 2006-01-20 Dirk Mueller <dmueller@suse.com>
7292 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7293 instead of a special NOP marker.
7294 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7295 NOP marker handling.
7296 * c-common.h (empty_body_warning): Add forward declaration.
7297 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7298 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7300 2006-01-20 Paul Brook <paul@codesourcery.com>
7302 * Makefile.in (lang_checks): Keep going if mkdir fails.
7304 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7306 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7307 be able to clean out basic block when not necessary.
7308 (df_scan_free): Fixed to properly delete information if df is
7309 unused before calling df_finish.
7310 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7311 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7313 (df_bb_refs_delete): New function.
7314 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7315 * df-core.c (df_set_blocks): Added code to properly clean out
7316 unused blocks if they are not part of the blocks to consider.
7317 Added additional null check.
7318 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7319 be able to clean out basic block when not necessary
7320 * df.h (df_free_bb_function): Ditto.
7321 (df_bb_refs_delete): New function.
7322 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7323 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7324 basic block parameter to be able to clean out basic block when not
7326 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7327 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7328 Fixed to properly delete information if df is unused before
7331 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7333 PR rtl-optimization/25799
7334 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7335 Corrected confluence operator to remove bits from op2 before oring
7336 with op1 rather than removing bits from op1.
7337 (df_ru_transfer_function): Corrected test on wrong bitmap which
7338 caused infinite loop. Both of these problems were introduced in
7339 the dataflow rewrite.
7341 2006-01-19 DJ Delorie <dj@redhat.com>
7343 * reload1.c (find_reload_regs): Note the details of reload
7344 failures in the dump file.
7345 (spill_failure): Likewise.
7347 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7349 * loop-iv.c: Include df.h and hashtab.h.
7350 (enum iv_grd_result): New enum.
7351 (DF_REF_IV, DF_REF_IV_SET): New macros.
7352 (struct biv_entry): New.
7353 (df, bivs): New global variables.
7354 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7355 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7357 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7358 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7359 analyzed_for_bivness_p, record_biv): New functions.
7360 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7361 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7362 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7364 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7366 (iv_number_of_iterations): Use new interface to iv analysis.
7367 * loop-unroll.c: Do not include varray.h.
7368 (analyze_iv_to_split_insn): Use new interface to iv
7370 * loop-unswitch.c (may_unswitch_on): Ditto.
7371 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7373 (df_bb_modify): Realloc tables to the new index.
7374 (df_find_use): New function.
7375 * df.h (df_find_use): Declare.
7376 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7378 * cfgloop.h (struct rtx_iv): Remove analysed field.
7379 (iv_get_reaching_def): Removed.
7380 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7381 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7382 (loop-iv.o): Add df.h and hashtab.h dependency.
7383 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7385 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7388 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7390 (__floatundisf, __floatundidf): Likewise.
7391 * libgcc2.h (IS_IBM_EXTENDED): Define.
7393 2006-01-19 DJ Delorie <dj@redhat.com>
7395 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7397 2006-01-19 Paul Brook <paul@codesourcery.com>
7399 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7400 as nothrow when unwinding tables are disabled.
7402 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7405 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7406 of bit-field" when in system header.
7408 2006-01-19 DJ Delorie <dj@redhat.com>
7410 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7411 the 16 bit shift limit of the m16c.
7413 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7416 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7417 * config/i386/i386.c (output_set_got): Output the label if we have one
7418 for the TARGET_DEEP_BRANCH_PREDICTION case.
7420 2006-01-19 Jan Hubicka <jh@suse.cz>
7421 H.J. Lu <hongjiu.lu@intel.com>
7422 Evandro Menezes <evandro.menezes@amd.com>
7424 * invoke.texi (generic): Document
7426 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7427 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7428 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7429 (x86_use_incdec, x86_pad_returns): New variables
7430 (TARGET_CPU_DEFAULT_generic): New constant
7431 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7432 (enum processor_type): Add generic32 and generic64.
7433 * i386.md (cpu attribute): Add generic32/generic64
7434 (movhi splitter): Behave sanely when both partial_reg_dependency and
7435 partial_reg_stall are set.
7436 (K8 splitters): Enable for generic as well.
7437 * predicates.md (incdec_operand): Use TARGET_INCDEC
7438 (aligned_operand): Avoid memory mismatch stalls.
7439 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7440 * ppro.md: Enable for generic32
7441 * i386.c (generic64_cost, generic32_cost): New.
7442 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7443 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7444 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7445 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7446 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7447 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7448 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7449 x86_accumulate_outgoing_args, x86_prologue_using_move,
7450 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7451 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7453 (x86_use_incdec, x86_pad_returns): New.
7454 (override_options): Add generic32 and generic64, translate "generic"
7455 to generic32/generic64 and "i686" to "generic32", refuse
7456 "generic32"/"generic64" as arch target.
7457 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7458 (ix86_reorg): Honor PAD_RETURNS.
7460 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7462 * tree-pretty-print.c (dump_generic_node): Handle
7463 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7464 * cgraph.c (cgraph_expand_queue): Rename from
7465 cgraph_analyze_queue. Update all users.
7466 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7467 cgraph_expand_queue.
7468 (cgraph_expand_all_functions): Likewise.
7469 (cgraph_finalize_pending_functions): Remove. Update callers.
7471 * tree.h (OMP_DIRECTIVE_P): Define.
7472 (OMP_PARALLEL_FN): Define.
7473 (OMP_PARALLEL_DATA_ARG): Define.
7474 (OMP_SECTIONS_SECTIONS): Define.
7475 * tree-pass.h (pass_expand_omp): Declare.
7476 * omp-low.c (struct omp_region): Declare.
7477 (struct omp_context): Remove fields 'parallel_type',
7478 'parallel_start_ix' and 'parallel_start_additional_args'.
7480 (struct omp_for_data): Rename from struct expand_omp_for_data.
7481 (omp_regions): New static variable.
7482 (root_omp_region): New static variable.
7483 (find_omp_clause): Make static.
7484 (is_in_combined_parallel_ctx): Remove.
7485 (is_combined_parallel): New.
7486 (extract_omp_for_data): Move earlier in the file.
7487 (workshare_safe_to_combine_p): New.
7488 (get_ws_args_for): New.
7489 (determine_parallel_type): Move earlier in the file.
7490 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7492 (omp_copy_decl): Likewise.
7493 (create_omp_child_function): Likewise.
7494 (lookup_omp_region): New.
7495 (dump_omp_region): New.
7496 (debug_omp_region): New.
7497 (debug_all_omp_regions): New.
7498 (new_omp_region): New.
7499 (scan_omp_parallel): If parallel_nesting_level > 1, the
7500 directive is nested within another parallel directive.
7501 Set OMP_PARALLEL_FN.
7502 (scan_omp_for): Do not try to handle combined parallel+for
7504 Remove FIXME comment.
7505 (scan_omp_nested): Remove.
7506 (scan_omp_1): Do not call scan_omp_nested when
7507 parallel_nesting_level is > 1.
7508 Do not change the DECL_CONTEXT of local variables found.
7509 (lookup_decl_in_outer_ctx): New.
7510 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7511 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7512 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7513 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7514 If CTX is nested, lookup VAR in the outer context when
7515 building copy assignment.
7516 (lower_send_clauses): Rename from expand_send_clauses.
7517 If CTX is nested, lookup VAR in the outer context when
7518 building copy assignments.
7519 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7520 If CTX is nested, lookup VAR in the outer context when
7521 building copy assignments.
7522 (expand_parallel_call): Rename from build_parallel_call.
7523 Handle combined parallel+workshare cases.
7524 Re-implement to emit code into the CFG.
7526 (expand_omp_parallel): Re-implement to emit code into the CFG.
7527 Call move_sese_region_to_fn to outline the sub-graph
7528 containing the parallel region.
7529 (expand_omp_for_1): Remove.
7530 (expand_omp_for_generic): Re-implement to emit code into the
7532 (expand_omp_for_static_nochunk): Likewise.
7533 (expand_omp_for_static_chunk): Likewise.
7534 (expand_omp_for): Likewise.
7535 (expand_omp_sections): Likewise.
7536 (remove_exit_barriers): New.
7537 (expand_omp_synch): New.
7539 (build_omp_regions_1): New.
7540 (build_omp_regions): New.
7541 (execute_expand_omp): New.
7542 (gate_expand_omp): New.
7543 (pass_expand_omp): Define.
7544 (lower_omp_sections): Rename from expand_omp_sections.
7545 Set OMP_SECTIONS_SECTIONS.
7546 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7547 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7548 (lower_omp_single): Rename from expand_omp_simple.
7549 (lower_omp_master): Rename from expand_omp_master.
7550 (lower_omp_ordered): Rename from expand_omp_ordered.
7551 (lower_omp_critical): Rename from expand_omp_critical.
7552 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7553 (lower_omp_for): Re-implement.
7554 (lower_omp_parallel): Re-implement.
7555 (lower_regimplify): Rename from expand_regimplify.
7556 (lower_omp_1): Rename from expand_omp_1.
7557 If there are syntax errors in the program, replace every
7558 OpenMP directive with NOP.
7559 Call lower_omp_* instead of expand_omp_*.
7560 (lower_omp): Rename from expand_omp.
7562 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7563 * tree-gimple.h (enum omp_parallel_type): Remove.
7564 (gimple_boolify): Declare extern.
7565 (find_omp_clause, determine_parallel_type): Remove.
7567 * gimple-low.c (lower_omp_directive): New.
7568 (lower_stmt): Call it.
7569 (record_vars_into): Move from ...
7570 (record_vars): ... here.
7571 Call record_vars_into with current_function_decl.
7573 * gimplify.c (struct gimplify_ctx): Remove fields
7574 combined_pre_p and combined_ctxp. Update users.
7575 (get_formal_tmp_var): Add documentation.
7576 (gimple_boolify): Make extern.
7577 (gimplify_expr_in_ctx): Remove. Update callers.
7578 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7579 will always be a BIND_EXPR.
7580 (gimplify_expr): Handle OMP_RETURN_EXPR.
7581 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7582 (OMP_PARALLEL): Add 3 operands.
7583 (OMP_SECTIONS): Add 1 operand.
7584 (OMP_RETURN_EXPR): Define.
7586 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7587 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7588 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7589 creating a circular free list.
7590 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7592 * tree-flow.h (move_sese_region_to_fn): Declare.
7593 (record_vars_into): Declare.
7594 * tree-cfg.c (make_omp_sections_edges): New.
7595 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7596 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7597 OMP_SECTIONS and OMP_SECTION.
7598 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7599 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7600 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7601 (gather_blocks_in_sese_region): New.
7602 (struct move_stmt_d): Declare.
7604 (move_block_to_fn): New.
7605 (move_sese_region_to_fn): New.
7607 * passes.c (init_optimization_passes): Schedule
7608 pass_expand_omp after pass_init_datastructures.
7610 * tree-ssa-operands.c (get_expr_operands): Handle
7611 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7612 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7614 2006-01-19 Jeff Law <law@redhat.com>
7616 * tree-vrp.c (extract_range_from_assert): Refine the result range
7617 if the variable referenced by the ASSERT_EXPR has a range and
7618 either the tentative result range or the previous range is a
7621 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7623 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7625 2006-01-19 Jan Hubicka <jh@suse.cz>
7627 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7629 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7631 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7632 (expand_compound_operation, expand_field_assignment): Fail if the
7633 bit lengths of an extract operation are out of range.
7634 (make_extraction): Compute wanted_inner_mode based on the position
7635 and length of the extraction. Make it extraction_mode for non-constant
7636 positions, and do not modify offset in that case. When generating a
7637 new MEM, use a mode that can hold the extraction while keeping correct
7638 alignment. Remove code that supported MEMs wrapped by USEs.
7639 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7641 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7643 * config/s390/s390.md ("Y", "y"): New mode attribute.
7644 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7645 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7646 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7647 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7648 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7649 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7650 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7651 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7652 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7653 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7654 "addsi3", "subsi3"): Insn patterns removed.
7655 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7656 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7657 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7658 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7659 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7660 "*sub<mode>3_cconly2"): New insn patterns.
7661 ("addsi3", "subsi3"): New expanders.
7663 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7665 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7666 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7667 existing STMT_VINFO_VECTYPE if available.
7668 (vect_mark_relevant): Add special handling for stmts that are
7669 marked as STMT_VINFO_IN_PATTERN_P.
7670 (vect_analyze_loop): Call vect_pattern_recog.
7671 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7672 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7674 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7675 (vect_recog_func_ptr): New function-pointer type.
7676 * tree-vect-patterns.c: New file.
7677 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7678 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7679 (vect_pattern_recog_1): New functions.
7680 (vect_pattern_recog_funcs): New array of function pointers.
7682 * tree-vectorizer.h (ternary_op): New enum value.
7683 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7684 declaration. Revised documentation. Removed redundant dump prints.
7685 Removed redundant argument. Added support for reduction patterns.
7686 (vectorizable_reduction): Added support for reduction patterns.
7687 (vect_transform_stmt): Added support for patterns.
7689 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7690 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7691 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7692 (expand_widen_pattern_expr): New function.
7693 (init_optabs): Initialize new optabs udot_prod_optab,
7695 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7696 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7697 (expand_widen_pattern_expr): New function declaration.
7698 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7700 * tree-inline.c (estimate_num_insns_1): Added cases for new
7701 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7702 * tree-pretty-print.c (dump_generic_node): Likewise.
7703 (op_prio): Likewise.
7704 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7705 * tree-ssa-operands.c (get_expr_operands): Added case for
7707 * tree-vect-patterns.c (widened_name_p): New function.
7708 (vect_recog_dot_prod_pattern): Added function implementation.
7709 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7710 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7711 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7712 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7714 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7715 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7716 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7717 (init_optabs): Initialize new optabs widen_ssum_optab,
7719 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7720 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7721 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7722 use instead of type of def.
7723 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7724 function implementation.
7725 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7726 widen_ssumv8hi): New.
7728 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7731 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7734 * c-decl.c (add_flexible_array_elts_to_size): New function.
7735 (finish_decl): Use it.
7737 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7739 * diagnostic.h: Include options.h.
7740 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7741 dependancies for diagnostic.h.
7742 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7744 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7746 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7747 (ssa_ro_call_cache_valid): Ditto.
7748 * tree-ssa-alias.c (sort_tags_by_id): New function.
7749 (init_transitive_clobber_worklist): Ditto.
7750 (add_to_worklist): Ditto.
7751 (mark_aliases_call_clobbered): Ditto.
7752 (compute_tag_properties): Ditto.
7753 (set_initial_properties): Ditto.
7754 (compute_call_clobbered): Ditto.
7755 (compute_may_aliases): Call compute_call_clobbered and grouping.
7756 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7757 (compute_flow_insensitive_aliasing): Grouping now happens in our
7759 (setup_pointers_and_addressables): Remove clobbering related code.
7760 (add_may_alias): Ditto.
7761 (replace_may_alias): Ditto.
7762 (get_nmt_for): Ditto.
7763 (create_global_var):
7764 (is_escape_site): Return an escape_type enumeration.
7765 * tree-flow-inline.h (is_call_clobbered): Global var does not
7766 imply call clobbered.
7767 (mark_call_clobbered): Take a reason for marking this. Remove
7768 marking of globalness, and cache invalidation.
7769 (clear_call_clobbered): Remove cache invalidation code.
7770 * tree-dfa.c (dump_variable): If details is on, dump the reason
7772 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7774 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7775 (struct var_ann_d): Ditto.
7776 (enum escape_type): New.
7777 (mark_call_clobbered): Adjust prototype.
7778 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7779 are never call clobbered.
7780 Record reasons for escaping.
7781 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7782 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7783 (ssa_ro_call_cache_valid): Ditto.
7784 (clobbered_v_may_defs): Ditto.
7785 (clobbered_vuses): Ditto.
7786 (ro_call_vuses): Ditto.
7787 (clobber_stats): New.
7788 (init_ssa_operands): Zero out clobber stats.
7789 (fini_ssa_operands): Print out clobber stats.
7790 (get_call_expr_operands): Pass callee fndecl to
7792 (add_call_clobber_ops): Remove use of cache.
7793 Add use of PURE_CONST information.
7794 (add_call_read_ops): Remove use of cache.
7795 Add use of static not_read information.
7797 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7799 Introduce TLS descriptors for i386 and x86_64.
7800 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7801 (TARGET_ANY_GNU_TLS): New macro.
7802 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7803 (struct machine_function): Add tls_descriptor_call_expanded_p.
7804 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7805 (ix86_current_function_calls_tls_descriptor): Likewise.
7806 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7807 (override_options): Introduce gnu2 tls dialect.
7808 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7810 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7812 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7813 (ix86_init_machine_status): Initialize new field.
7814 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7815 (ix86_tls_module_base): New.
7816 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7817 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7818 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7819 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7820 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7821 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7822 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7823 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7824 * config/i386/predicates.md (tls_modbase_operand): New.
7825 (tp_or_register_operand): New.
7827 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7829 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7830 (look_for_address_of): Ditto.
7831 (ipa_init): Walk the function decls.
7832 (static_execute): Don't set readonly on FUNCTION_DECL's.
7834 2006-01-18 Roger Sayle <roger@eyesopen.com>
7836 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7837 for shifts where the source and destination registers are different.
7839 2006-01-18 Paul Brook <paul@codesourcery.com>
7841 Merge from csl-arm-branch.
7842 2005-03-14 Julian Brown <julian@codesourcery.com>
7843 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7844 (aeabi_llsl): Likewise.
7845 (ashrdi3): Likewise.
7846 (aeabi_lasr): Likewise.
7847 (lshrdi3): Likewise.
7848 (aeabi_llsr): Likewise.
7849 2005-03-10 Julian Brown <julian@codesourcery.com>
7850 * config.gcc: Disable shared libgcc for SymbianOS.
7851 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7853 2006-01-18 DJ Delorie <dj@redhat.com>
7855 * c-pragma.c (handle_pragma_diagnostic): New.
7856 (init_pragma): Register it.
7857 * doc/extend.texi: Document it.
7859 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7860 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7861 (diagnostic_context): Add classify_diagnostic[].
7862 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7863 as errors if they're overridden to DK_WARNING.
7864 (diagnostic_initialize): Initialize classify_diagnostic[].
7865 (diagnostic_set_kind_override): New.
7866 (diagnostic_report_diagnostic): Check for kind changes.
7867 * opts.c (common_handle_option): Take lang_mask. Update callers.
7869 * common.opt (Werror=): New.
7870 * doc/invoke.texi: Document -Werror=*
7872 2006-01-18 Jeff Law <law@redhat.com>
7874 * tree-vrp.c (test_for_singularity): Correct test for new
7875 min limit. Use operand_equal_p rather than pointer equality
7876 for testing if new min/max values are equal.
7878 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7879 using range information until after propagation and folding.
7881 2006-01-18 Richard Henderson <rth@redhat.com>
7882 Aldy Hernandez <aldyh@redhat.com>
7883 Jakub Jelinek <jakub@redhat.com>
7884 Diego Novillo <dnovillo@redhat.com>
7886 * omp-low.c: New file.
7887 * c-omp.c: New file.
7889 2006-01-18 Richard Henderson <rth@redhat.com>
7890 Jakub Jelinek <jakub@redhat.com>
7891 Diego Novillo <dnovillo@redhat.com>
7893 * doc/invoke.texi: Document -fopenmp.
7894 * tree-dump.h (debug_function): Declare.
7895 * hooks.c (hook_bool_tree_bool_false): New function.
7896 (hook_tree_tree_null): Remove.
7897 (hook_tree_tree_tree_null): New.
7898 * hooks.h: Update to match.
7899 * tree-pretty-print.c (debug_tree_chain): New.
7900 (print_generic_expr): Handle TDF_CHAIN.
7901 (dump_generic_node): Handle BLOCK.
7902 Do not abort with incomplete SWITCH_EXPRs.
7903 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7904 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7905 print space after directive name.
7906 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7907 Handle OMP_MASTER and OMP_ORDERED.
7908 Handle printing of OMP_BODY just in one place, goto
7909 dump_omp_body in the rest of OMP_* nodes that have
7911 Don't handle clause nodes here. Update omp statements to
7912 use dump_omp_clauses.
7913 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7914 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7915 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7916 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7917 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7918 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7919 Adjust output for GOMP_PARALLEL.
7920 (dump_omp_clauses): New.
7921 (print_declaration): Dump DECL_VALUE_EXPR.
7922 (op_symbol_1): Split out of op_symbol.
7923 (dumping_stmts): Remove. Update all users.
7924 * cgraph.c (cgraph_analyze_queue): New.
7925 (cgraph_add_new_function): New.
7926 * cgraph.h (cgraph_analyze_queue): Declare.
7927 (cgraph_add_new_function): Declare.
7928 (cgraph_lower_function): Remove.
7929 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7930 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7931 and TYPE_P nodes in its default clause.
7932 (empty_body_p): New.
7933 (tree_range_check_failed): New.
7935 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7936 OMP_CLAUSE_REDUCTION_MERGE,
7937 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7938 OMP_CLAUSE_PRIVATE_DEBUG,
7939 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7940 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7941 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7942 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7943 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7944 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7945 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7946 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7947 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7948 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7949 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7950 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7951 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7952 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7953 (TREE_RANGE_CHECK): New.
7954 (empty_body_p): Declare.
7955 (enum omp_clause_default_kind): New.
7956 (build_string_literal): Declare.
7957 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7958 (build5_stat, build5): Declare.
7959 * tree-pass.h (TDF_CHAIN): Define.
7960 * tree-pass.h (PROP_gimple_lomp): Define.
7961 (pass_lower_omp): Declare.
7962 * diagnostic.h (debug_tree_chain): Declare.
7963 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7965 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7966 * builtins.c (build_string_literal): Make extern.
7967 * gcc.c (include_spec_function): New.
7968 (static_spec_functions): Add it.
7969 (main): Move load of libgomp.spec ...
7970 (LINK_COMMAND_SPEC): ... here.
7971 (link_gomp_spec): New.
7972 (static_specs): Include it.
7973 (LINK_COMMAND_SPEC): Add link_gomp.
7974 (GOMP_SELF_SPECS): New.
7975 (driver_self_specs): Include it.
7976 (switch_matches): Don't mark inline.
7977 (main): Load libgomp.spec.
7978 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7979 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7980 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7981 * tree-gimple.h (enum omp_parallel): Declare.
7982 (determine_parallel_type): Declare.
7983 (omp_firstprivatize_variable): Declare.
7984 (omp_reduction_init): Declare.
7985 (diagnose_omp_structured_block_errors): Declare.
7986 (struct walk_stmt_info): Add want_return_expr.
7987 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7988 (find_omp_clause): Declare.
7989 (insert_field_into_struct): Declare.
7990 (struct walk_stmt_info): Move from tree-nested.c
7991 (walk_stmts): Declare.
7992 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7994 * cgraphunit.c (cgraph_lower_function): Make static.
7995 (cgraph_finalize_pending_functions): New.
7996 (cgraph_finalize_function): Call it.
7997 (cgraph_finalize_compilation_unit): Likewise.
7998 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7999 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8000 (BT_FN_UINT_UINT): New.
8001 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8002 DEF_FUNCTION_TYPE_VAR_4): Document.
8003 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8004 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8005 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8006 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8007 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8008 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8009 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8010 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8011 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8012 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8013 into separate files.
8014 (DEF_GOMP_BUILTIN): New.
8015 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8016 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8017 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8018 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8019 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8020 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8021 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8022 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8023 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8024 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8025 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8026 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8027 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8028 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8029 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8030 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8031 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8032 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8033 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8034 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8035 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8036 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8037 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8038 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8039 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8040 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8041 * sync-builtins.def: New file, moved from builtins.def.
8042 * omp-builtins.def: New file, moved from builtins.def.
8043 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8044 * gimple-low.c (lower_function_body): Clear data.
8045 (lower_stmt): Do not handle COMPOUND_EXPR.
8046 Remove call to print_node_brief.
8047 * c-tree.h (c_finish_omp_clauses): New prototype.
8048 (C_DECL_THREADPRIVATE_P): Define.
8049 (lookup_name_no_remap, c_omp_remap_private): Remove
8050 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8051 (check_for_loop_decls): Update decl.
8052 (lookup_name_no_remap, c_omp_remap_private): Declare.
8053 (build_indirect_ref, build_modify_expr, pushdecl,
8054 pushdecl_top_level): Move to c-common.h.
8055 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8056 before the switch, but just in the 2 places that need it.
8057 * c-decl.c (diagnose_mismatched_decls): Do not check for
8058 mismatched thread-local attributes when OLDDECL is marked
8059 threadprivate and NEWDECL has no thread-local attributes.
8060 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8061 (c_gimple_diagnostics_recursively): Rename from
8062 c_warn_unused_result_recursively. Invoke
8063 diagnose_omp_structured_block_errors.
8064 (check_for_loop_decls): Return a singular decl found.
8065 * langhooks.c (lhd_omp_predetermined_sharing): Return
8066 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8067 (lhd_omp_firstprivatize_type_sizes): New.
8068 (lhd_omp_assignment): New.
8069 (lhd_omp_predetermined_sharing): New.
8070 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8071 (struct lang_hooks_for_types): Add
8072 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8073 omp_predetermined_sharing, omp_disregard_value_expr,
8074 omp_private_debug_clause, omp_clause_default_ctor,
8075 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8076 (c_finish_omp_clauses): New.
8077 (c_finish_bc_stmt): Diagnose break within omp for.
8078 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8079 (build_unary_op): Return error_mark after reporting
8081 (build_modify_expr): Likewise.
8082 * gimplify.c: Include optabs.h and pointer-set.h.
8083 (enum gimplify_omp_var_data): Declare.
8084 (struct gimplify_omp_ctx): Declare.
8085 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8087 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8088 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8089 (splay_tree_compare_decl_uid): New.
8090 (new_omp_context): New.
8091 (delete_omp_context): New.
8092 (gimple_add_tmp_var): Call omp_add_variable.
8093 (gimplify_bind_expr): Likewise.
8094 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8095 true, disregard DECL_VALUE_EXPR on the decl if any.
8096 (gimplify_expr_in_ctx): New.
8097 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8098 omp_add_variable, omp_notice_variable, omp_is_private
8099 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8100 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8101 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8102 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8103 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8104 gimplify_omp_atomic): New.
8105 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8106 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8107 OMP_CRITICAL and OMP_ATOMIC.
8108 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8109 * c-pragma.h (enum pragma_kind): Add
8110 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8111 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8112 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8113 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8114 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8115 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8116 PRAGMA_OMP_THREADPRIVATE.
8117 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8118 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8119 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8120 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8121 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8122 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8123 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8124 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8125 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8126 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8127 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8128 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8129 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8131 (struct nesting_info): Add field_map,
8132 suppress_expansion, debug_var_chain.
8133 (create_nesting_tree): Initialize them.
8134 (lookup_field_for_decl): Use field_map.
8135 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8136 (convert_local_omp_clauses): New.
8137 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8138 (walk_body): Split out of walk_function.
8139 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8140 (convert_nonlocal_reference): Handle omp statements.
8141 (convert_local_reference): Likewise.
8142 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8143 (unnest_nesting_tree): New.
8144 (lower_nested_functions): Call it.
8145 (insert_field_into_struct): Make extern.
8146 (struct walk_stmt_info): Move to tree-gimple.h.
8147 (walk_stmts): Make extern.
8148 * omp-builtins.def: New file.
8149 * tree-iterator.c (expr_only): Clarify comment.
8150 * c-common.h (pushdecl_top_level, pushdecl,
8151 build_modify_expr, build_indirect_ref,
8152 c_finish_omp_master, c_finish_omp_critical,
8153 c_finish_omp_ordered, c_finish_omp_barrier,
8154 c_finish_omp_atomic, c_finish_omp_flush,
8155 c_finish_omp_for, c_split_parallel_clauses,
8156 omp_clause_default_kind, c_omp_sharing_predetermined,
8157 c_omp_remap_decl): Declare.
8158 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8159 (OBJS-common): Add omp-low.o.
8160 (c-omp.o, omp-low.o): Add.
8161 (gimplify.o): Add dependency on $(OPTABS_H).
8162 (GTFILES): Add omp-low.c.
8163 (gt-stringpool.h): Add.
8164 * tree-cfg.c (set_bb_for_stmt): Do not update the
8165 block-to-labels map if we are currently expanding to RTL.
8166 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8168 Handle IDENTIFIER_NODE.
8169 (tree_verify_flow_info): Do not ICE when emitting error
8170 messages about invalid labels.
8171 (dump_function_to_file): Reset CFUN before emitting the body
8173 (debug_function): New.
8174 * passes.c (init_optimization_passes): Schedule
8176 * langhooks-def.h (lhd_omp_predetermined_sharing,
8177 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8179 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8180 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8181 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8182 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8183 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8184 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8185 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8186 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8187 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8188 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8189 (LANG_HOOK_DECLS): Use them.
8191 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8192 Richard Henderson <rth@redhat.com>
8193 Jakub Jelinek <jakub@redhat.com>
8194 Diego Novillo <dnovillo@redhat.com>
8196 * c-parser.c (pragma_omp_clause): Define.
8197 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8198 (c_parser_compound_statement): Likewise.
8199 (c_parser_statement): Likewise.
8200 (c_parser_pragma): Handle omp pragmas.
8201 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8202 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8203 (c_parser_omp_clause_name, check_no_duplicate_clause,
8204 c_parser_omp_variable_list,
8205 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8206 c_parser_omp_clause_copyprivate,
8207 c_parser_omp_clause_default,
8208 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8209 c_parser_omp_clause_lastprivate,
8210 c_parser_omp_clause_nowait,
8211 c_parser_omp_clause_num_threads,
8212 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8213 c_parser_omp_clause_reduction,
8214 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8215 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8216 c_parser_omp_atomic, c_parser_omp_barrier,
8217 c_parser_omp_critical, c_parser_omp_flush,
8218 c_parser_omp_for_loop, c_parser_omp_for,
8219 c_parser_omp_master, c_parser_omp_ordered,
8220 c_parser_omp_sections_scope, c_parser_omp_sections,
8221 c_parser_omp_parallel, c_parser_omp_single,
8222 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8223 * c-pragma.c (init_pragma): Do omp pragma registration here.
8224 * c.opt (fopenmp): New flag.
8226 2006-01-18 Eric Christopher <echristo@apple.com>
8228 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8229 * config/darwin.h (GOMP_SELF_SPECS): Define.
8231 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8233 * rtl.h: Remove the prototype for reg_alloc.
8235 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8238 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8239 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8240 sjlj and dwarf2 exception handling.
8241 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8242 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8243 * pa/pa.c (function_value): Treat complex and vector types as
8245 (function_arg): Likewise. Only pass scalar floats in the floating
8246 point argument registers.
8247 * pa/t-slibgcc-dwarf-ver: New file.
8248 * pa/t-slibgcc-sjlj-ver: New file.
8249 * pa/t-slibgcc-elf-ver: Delete file.
8251 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8253 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8254 unlikely_test_section_p test.
8256 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8258 * mode-switching.c (optimize_mode_switching): Make it static.
8259 * basic-block.h: Remove the prototype for
8260 optimize_mode_switching.
8262 * modulo-sched.c (sms_schedule): Make it static.
8263 * rtl.h: Remove the prototype for sms_schedule.
8265 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8266 * rtl.h: Remove the prototype for gcse_after_reload_main.
8268 * reg-stack.c (reg_to_stack): Make it static.
8269 * rtl.h: Remove the prototype for reg_to_stack.
8271 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8273 * rtl.h: Remove the prototypes for regrename_optimize and
8274 copyprop_hardreg_forward.
8276 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8278 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8279 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8280 Test against the appropriate null constant for the mode.
8281 If 'fixup_overlap' is true, swap the operands if they overlap.
8282 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8283 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8284 alpha_split_tmode_pair and adjust for above change.
8285 * config/alpha/alpha.md (movtf_internal): Adjust call to
8286 alpha_split_tfmode_pair and rely on it to swap the operands.
8287 (movti_internal): New insn and post-reload splitter.
8288 (movti): New expander.
8290 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8292 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8295 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8297 * rtlanal.c (global_reg_mentioned_p_1,
8298 global_reg_mentioned_p): Remove.
8299 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8301 * flow.c (initialize_uninitialized_subregs): Make it static.
8302 * rtl.h: Remove the prototype for
8303 initialize_uninitialized_subregs.
8305 * function.c (instantiate_virtual_regs): Make it static.
8306 * function.h: Remove the prototype for
8307 instantiate_virtual_regs.
8309 * regmove.c (regmove_optimize, combine_stack_adjustments):
8311 * rtl.h: Remove the prototypes for regmove_optimize and
8312 combine_stack_adjustments.
8314 2006-01-17 Roger Sayle <roger@eyesopen.com>
8316 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8317 (size_cost): Encode costs in bytes so that a reg-reg addition is
8318 equivalent to COSTS_N_INSNS(1).
8319 (override_options): Use the size_cost.branch_cost as the default
8320 ix86_branch_cost when optimizing for size.
8322 2006-01-18 Ben Elliston <bje@au.ibm.com>
8324 * Makefile.in (D32PBIT_FUNCS): New.
8325 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8326 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8327 D64PBIT_FUNCS and D128PBIT_FUNCS.
8328 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8329 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8331 (decnumber_dep): Define.
8332 * doc/libgcc.texi (Decimal float library routines): New node.
8333 * config/dfp-bit.h, config/dfp-bit.c: New files.
8335 2006-01-18 Ben Elliston <bje@au.ibm.com>
8337 * expr.c (emit_move_change_mode): Always adjust addresses, not
8338 just during reload. Copy replacements only during reload.
8339 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8340 emit_move_via_integer.
8342 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8344 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8345 instead of $(srcdir) and ${srcdir}.
8347 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8351 * arm.h (struct machine_function): Add pic_reg.
8352 * arm.c (arm_pic_register): Make unsigned.
8353 (arm_override_options): Only set arm_pic_register if
8354 TARGET_SINGLE_PIC_BASE.
8355 (use_return_insn): Only test for a pic register if it is fixed.
8356 (arm_compute_save_reg0_reg12_mask): Likewise.
8357 (thumb_compute_save_reg_mask): Likewise.
8358 (legitimate_pic_operand): Factor out some known invariants.
8359 (legitimize_pic_address): If we don't have a fixed pic register,
8360 then set up a pseudo in the function entry sequence. Handle the
8361 pic base being in a pseudo.
8362 (arm_load_pic_register): Handle the pic register being in a pseudo.
8363 (arm_expand_prologue): Only set up the pic register if it is fixed.
8364 (thumb_expand_prologue): Likewise.
8365 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8366 (pic_load_addr_based_insn): Likewise.
8367 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8370 2006-01-18 Ben Elliston <bje@au.ibm.com>
8372 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8373 decimal float modes for all floating point registers.
8375 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8376 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8378 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8381 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8382 even when the pointer is not NULL.
8384 2006-01-16 Ian Lance Taylor <ian@airs.com>
8386 * common.opt (ftoplevel-reorder): New option.
8387 * cgraph.c (cgraph_asm_nodes): New global variable.
8388 (cgraph_asm_last_node): New static variable.
8389 (cgraph_order): New global variable.
8390 (cgraph_create_node): Set new order field.
8391 (cgraph_varpool_node): Likewise.
8392 (decide_is_variable_needed): Return true if not
8393 flag_toplevel_reorder.
8394 (cgraph_add_asm_node): New function.
8395 * cgraph.h (struct cgraph_node): Add order field.
8396 (struct cgraph_varpool_node): Add order field.
8397 (struct cgraph_asm_node): Define.
8398 (cgraph_asm_nodes, cgraph_order): Declare.
8399 (cgraph_add_asm_node): Declare.
8400 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8402 (cgraph_varpool_assemble_pending_decls): Call it.
8403 (cgraph_output_pending_asms): New static function.
8404 (cgraph_finalize_compilation_unit): Call it.
8405 (struct cgraph_order_sort): Define.
8406 (cgraph_output_in_order): New static function.
8407 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8408 !flag_toplevel_reorder case.
8409 * c-parser.c: Include "cgraph.h".
8410 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8412 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8413 than -fno-unit-at-a-time.
8414 * doc/invoke.texi (Option Summary): Mention
8415 -fno-toplevel-reorder.
8416 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8417 -funit-at-a-time documentation.
8419 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8420 Kazu Hirata <kazu@codesourcery.com>
8422 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8424 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8426 * Makefile.in (FUNCTION_H): New. Use it instead of
8427 function.h throughout the file.
8428 * function.h: Include tree.h.
8430 2006-01-17 Ben Elliston <bje@au.ibm.com>
8432 * recog.c: Separate some functions with whitespace.
8434 2006-01-16 Richard Henderson <rth@redhat.com>
8436 Merge from gomp branch:
8437 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8438 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8439 and rename from struct inline_data. Rename callee* to dst*;
8440 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8441 transform_new_cfg, transform_return_to_modify, and
8442 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8444 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8445 (copy_decl_for_dup): Remove.
8446 * tree-inline.c (struct inline_data): Move to header.
8447 (insert_decl_map): Export.
8448 (remap_decl): Update for member name changes. Use copy_decl hook.
8449 Allow for replacement to be a non-decl. Remove dead code.
8450 (remap_type_1): Check for existing mapping.
8451 (remap_type): Export.
8452 (remap_decls): Update for member name changes.
8453 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8454 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8455 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8456 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8457 (tree_function_versioning, build_duplicate_type): Likewise.
8458 (copy_body_r): Likewise. Export.
8459 (copy_decl_for_dup): Split into ...
8460 (copy_decl_for_dup_finish, copy_decl_to_var,
8461 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8462 (replace_ref_tree, inlining_p): Remove.
8464 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8466 * ifcvt.c (if_convert): Make it static.
8467 * rtl.h: Remove the prototype for if_convert.
8469 * local-alloc.c (local_alloc): Make it static.
8470 * rtl.h: Remove the prototype for local_alloc.
8472 * loop.c (loop_optimize): Make it static.
8473 * cfgloop.h: Remove the prototype for loop_optimize.
8476 2006-01-16 DJ Delorie <dj@redhat.com>
8478 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8481 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8483 * pa.md: Disparage copies between general and floating-point registers
8484 in 32-bit move patterns.
8486 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8489 * Makefile.in (check-%): Depend on site.exp instead of
8490 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8493 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8495 * global.c (global_alloc): Make it static.
8496 * rtl.h: Remove the prototype for global_alloc.
8498 2006-01-16 Richard Guenther <rguenther@suse.de>
8500 * tree-ssa-alias.c (struct used_part): Add write_only field.
8501 (get_or_create_used_part_for): Initialize it to true.
8502 (create_overlap_variables_for): Don't create structure variables
8503 for structures that only are written to.
8504 (find_used_portions): Handle MODIFY_EXPR to track whether a
8505 structure is only written to.
8507 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8509 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8511 * basic-block.h: Remove the prototype for
8512 partition_hot_cold_basic_blocks.
8514 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8516 * cppspec.c (lang_specific_spec_functions): Remove.
8517 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8518 * gcc.h (lang_specific_spec_functions): Remove.
8519 * gccspec.c (lang_specific_spec_functions): Remove.
8521 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8523 * combine.c (record_value_for_reg): Invalidate registers
8525 (record_dead_and_set_regs_1): Likewise, by passing them to
8526 record_value_for_reg.
8527 (record_dead_and_set_regs): Invalidate stores made by a
8528 call. We do not combine across a call, but we still
8529 relied on equivalences.
8531 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8533 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8534 vrp_int_const_binop returning non-constant nodes.
8536 2006-01-16 Paul Brook <paul@codesourcery.com>
8538 * config/m68k/m68k.c (output_move_const_into_data_reg):
8539 Output correct mnemonic for mvz and mvs.
8541 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8543 * rtl-factoring.c: Add sequence abstraction algorithm.
8544 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8545 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8547 (block_has_preserve_label): New function.
8548 * common.opt: Register new pass.
8549 * Makefile.in: Ditto.
8551 * timevar.def: Ditto.
8552 * tree-pass.h: Ditto.
8553 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8554 * rtl.h (make_jump_insn_raw): Add forward decl.
8555 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8557 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8558 Roger Sayle <roger@eyesopen.com>
8560 * fold-const.c (fold_minmax): New static function.
8561 (fold_binary) <MIN_EXPR>: Call it.
8562 <MAX_EXPR>: Likewise.
8563 * stor-layout.c (place_field): Use DECL_SIZE consistently
8564 in the computation of the new record size.
8566 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8568 * cse.c (cse_condition_code_reg): Make it static.
8569 * rtl.h: Remove the prototype for cse_condition_code_reg.
8571 * combine.c (combine_instructions): Make it static.
8572 * rtl.h: Remove the prototype for combine_instructions.
8574 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8577 * tree.c (get_file_function_name_long): Concatenate the first global
8578 object name with a string derived from the input filename of the object
8581 2006-01-16 Ben Elliston <bje@au.ibm.com>
8583 * config/i386/winnt-stubs.c: Update FSF address.
8584 * config/xtensa/ieee754-df.S: Ditto.
8585 * config/xtensa/ieee754-sf.S: Ditto.
8587 2006-01-14 Ian Lance Taylor <ian@airs.com>
8589 * ifcvt.c (noce_init_if_info): New static function, broken out of
8590 noce_process_if_block.
8591 (noce_process_if_block): Call noce_init_if_info.
8592 (check_cond_move_block): New static function.
8593 (cond_move_process_if_block): New static function.
8594 (process_if_block): Call cond_move_process_if_block.
8596 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8598 * cselib.c (hash_table): Rename to cselib_hash_table.
8599 (cselib_clear_table, discard_useless_values,
8600 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8601 cselib_init, cselib_finish): Adjust uses of hash_table.
8603 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8605 PR tree-optimization/25485
8606 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8607 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8608 is known to be false and true, respectively.
8610 2006-01-14 Richard Guenther <rguenther@suse.de>
8612 PR tree-optimization/22548
8613 PR tree-optimization/22555
8614 PR tree-optimization/22501
8615 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8616 * params.def (salias-max-array-elements): New parameter.
8617 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8618 * doc/invoke.texi (salias-max-array-elements): Document.
8619 * tree-flow-inline.h (var_can_have_subvars): We also handle
8621 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8623 * tree-ssa-structalias.c (params.h): Include.
8624 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8625 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8626 (get_constraint_for): For ADDR_EXPR operating on something
8627 containing an ARRAY_REF, add all subvars to the solution.
8628 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8629 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8630 for creating MUST_DEFs.
8631 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8633 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8635 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8637 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8638 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8639 number_of_iterations_le): New functions.
8640 (number_of_iterations_special): Removed.
8641 (number_of_iterations_exit): Do not use number_of_iterations_special.
8642 * tree.c (unsigned_type_for): Always return integer type.
8644 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8645 Richard Guenther <rguenther@suse.de>
8647 PR rtl-optimization/24257
8648 * gcse.c (find_moveable_store): Only consider a store movable
8649 when the SET_SRC of the insn can be assigned to a register.
8651 2006-01-14 Ian Lance Taylor <ian@airs.com>
8653 * tree.c (tree_not_class_check_failed): New function.
8654 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8655 (tree_not_class_check_failed): Declare.
8657 2006-01-13 Ian Lance Taylor <ian@airs.com>
8659 * reload1.c (do_output_reload): Add assertion rejecting a
8662 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8664 * combine.c (struct reg_stat): Add new fields truncation_label and
8666 (record_value_for_reg): Reset truncated_to_mode.
8667 (record_truncated_value): New function.
8668 (check_promoted_subreg): Call it. Rename to check_conversions.
8669 (combine_instructions): Rename check_promoted_subreg to
8671 (reg_truncated_to_mode): New function.
8672 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8673 (gen_lowpart_or_truncate): New function.
8674 (force_to_mode): Use it instead of gen_lowpart.
8676 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8678 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8679 VAR is a tag, not its type tag.
8681 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8683 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8684 alternatives to match style of other entries.
8685 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8687 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8689 PR tree-optimization/25771
8690 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8693 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8696 * tree-inline.c (declare_return_variable): If the return variable
8697 was marked as a non gimple complex, set the return slot variable
8698 to be a non gimple comple variable.
8700 2006-01-13 Richard Guenther <rguenther@suse.de>
8702 * builtins.c (expand_builtin_sincos): New function.
8703 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8705 (expand_builtin): Expand sincos using expand_builtin_sincos.
8707 2006-01-12 DJ Delorie <dj@redhat.com>
8709 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8710 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8711 so that constant shifts can be split.
8712 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8713 (m32c_valid_pointer_mode): Make static.
8714 (shift_gen_func_for): New.
8715 (m32c_prepare_shift): Use it. Split large const shifts into
8717 * config/m32c/predicates.md (shiftcount_operand): Allow more
8719 (longshiftcount_operand): New.
8720 * doc/md.texi (Machine Constraints): Document In6.
8722 2006-01-13 Ben Elliston <bje@au.ibm.com>
8724 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8725 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8728 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8730 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8731 to try to avoid clobbering pieces of structures when we know
8732 something about the whole structure.
8733 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8735 2006-01-13 Ben Elliston <bje@au.ibm.com>
8737 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8738 return in memory, as this is no limitation is no longer present.
8740 2006-01-12 DJ Delorie <dj@redhat.com>
8742 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8743 mova with fb, and for fb+0 -> An.
8745 * config/m32c/mov.md (peephole2): Fix enabling logic.
8747 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8748 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8749 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8750 FINI_ARRAY_SECTION_ASM_OP): Define.
8752 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8754 (m32c_legitimize_reload_address): New logic to reload FB to An.
8755 (m32c_output_reg_push): Add newline.
8756 (m32c_output_reg_pop): Likewise.
8758 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8760 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8762 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8764 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8766 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8768 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8771 2006-01-11 Ben Elliston <bje@au.ibm.com>
8773 * rtlanal.c (find_reg_note): Assert insn is not null.
8775 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8777 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8780 2006-01-11 Jeff Law <law@redhat.com>
8782 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8784 (mark_threaded_blocks, register_jump_thread): New functions.
8785 (thread_through_all_blocks): Remove unwanted argument. No
8786 longer rely on e->aux to communicate thread target info.
8787 Call mark_threaded_blocks. Release the threaded_blocks
8788 bitmap and threaded_edges vector when complete.
8789 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8790 (threaded_blocks): Remove.
8791 (tree_ssa_dominator_optimize): Remove initialization and
8792 finalization of threaded_blocks. Simplify call to
8793 thread_through_all_blocks.
8794 (thread_across_edge): Call register_jump_thread rather than
8795 storing thread information into e->aux.
8796 (free_all_edge_infos): Simplify now that e->aux is no longer
8797 used to communicate with thread_through_all_blocks.
8798 * tree-flow.h (thread_through_all_blocks): Update prototype.
8799 (register_jump_thread): Prototype.
8801 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8803 * df-core.c (df_compact_blocks, df_bb_replace): Use
8804 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8806 2006-01-11 Richard Guenther <rguenther@suse.de>
8808 PR tree-optimization/25734
8809 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8810 stop propagation after successful propagation to the LHS.
8812 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8814 * basic-block.h (control_flow_graph): Change the type of
8815 x_basic_block_info to VEC(basic_block,gc) *.
8816 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8818 (SET_BASIC_BLOCK): New.
8819 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8820 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8821 * cfgbuild.c (find_basic_blocks): Likewise.
8822 * cfglayout.c (fixup_reorder_chain): Likewise.
8823 * cfgrtl.c (create_basic_block_structure,
8824 rtl_create_basic_block): Likewise.
8825 * ifcvt.c (find_if_case_1): Likewise.
8826 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8829 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8831 * Makefile.in: Removed rotted odf.c entry.
8833 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8836 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8837 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8838 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8839 output pattern modifier, not %e.
8840 * config/cris/cris.c (cris_op_str): Update comment about pattern
8842 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8843 before falling through into...
8844 <case 'E'>: Redefined from old 'e' case.
8846 2006-01-11 Jan Hubicka <jh@suse.cz>
8849 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8851 2006-01-11 Jan Hubicka <jh@suse.cz>
8853 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8854 * i386.c (x86_decompose_lea): Kill.
8855 (ix86_rtx_costs): Kill.
8857 2006-01-11 Jan Hubicka <jh@suse.cz>
8859 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8860 * cgraph.h (cgraph_node): Add inline_decl.
8861 (cgraph_insert_node_to_hashtable): Declare.
8862 (save_inline_function_body): Declare.
8863 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8865 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8866 (cgraph_function_versioning): Update call of tree_function_versioning.
8867 (save_inline_function_body): New function.
8868 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8869 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8870 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8871 (cgraph_default_inline_p): Likewise.
8872 (cgraph_decide_inlining_incrementally): Likewise.
8873 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8874 (copy_bb): Kill saving; do updating of clones.
8875 (copy_cfg_body): Kill saving.
8876 (initialize_inlined-parameters): Likewise.
8877 (expand_call_inline): Likewise.
8879 (tree_function_versioning): New parameter "update_clones".
8880 (inlining_p): Kill saving.
8881 * tree-inline.h (tree_function_versioning): Update prototype.
8882 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8885 2006-01-11 Ian Lance Taylor <ian@airs.com>
8887 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8888 Allow undoing set of machine mode.
8889 (do_SUBST): Use enums instead of is_int.
8890 (do_SUBST_MODE): New function.
8891 (SUBST_MODE): New macro.
8892 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8893 reg and trying to replace reg_regno_rtx with a new register.
8894 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8895 (simplify_set): Use SUBST_MODE.
8896 (distribute_notes): Remove code that tried to update reg notes
8897 for regno_reg_rtx changes.
8899 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8901 PR tree-optimization/23109
8902 PR tree-optimization/23948
8903 PR tree-optimization/24123
8905 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8906 * tree-cfg.c (single_noncomplex_succ): New.
8907 * tree-flow.h (single_noncomplex_succ): Declare it.
8908 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8909 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8910 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8911 insert_bb, register_division_in, insert_reciprocals,
8912 replace_reciprocal, free_bb): New.
8913 (execute_cse_reciprocals_1): Rewritten.
8914 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8915 Do not commit any edge insertion. Always compute dominators and
8916 create the allocation pool.
8917 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8918 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8919 * targhooks.c (default_min_divistions_for_recip_mul): New.
8920 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8921 * passes.c (init_optimization_passes): Run recip after tree loop
8923 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8925 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8926 Kenneth Zadeck <zadeck@naturalbridge.com>
8928 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8929 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8930 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8931 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8932 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8933 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8934 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8935 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8936 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8937 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8938 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8939 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8940 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8941 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8942 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8943 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8944 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8945 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8946 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8947 DF_SCAN_POST_ALLOC): New macros.
8948 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8949 df_free_bb_function, df_local_compute_function, df_init_function,
8950 df_dataflow_function, df_confluence_function_0,
8951 df_confluence_function_n, df_transfer_function,
8952 df_finalizer_function, df_free_function, df_dump_problem_function,
8953 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8954 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8955 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8956 df_urec_bb_info, ) New types.
8957 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8959 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8960 df_analyze_simple_change_some_blocks,
8961 df_analyze_simple_change_one_block, df_compact_blocks,
8962 df_bb_replace, df_bb_regno_last_use_find,
8963 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8964 df_insn_regno_def_p, df_find_def, df_find_use,
8965 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8966 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8967 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8968 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8969 debug_df_chain, df_get_dependent_problem, df_chain_create,
8970 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8971 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8972 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8973 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8974 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8975 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8976 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8977 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8978 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8979 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8980 df_reorganize_refs, df_set_state, df_hard_reg_init,
8981 df_read_modify_subreg_p) New public functions.
8982 * df-core.c: The core dataflow solver and glue routines for rtl
8984 (df_init, df_add_problem, df_set_blocks, df_finish,
8985 df_hybrid_search_forward, df_hybrid_search_backward,
8986 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8987 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8988 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8989 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8990 df_reg_defined, df_find_use, df_reg_used, df_dump,
8991 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8992 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8993 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8994 debug_df_useno, reset_df_after_reload): New functions.
8995 * df-scan.c: The scanning fuctions, once in df.c, completely
8996 rewritten so that they now fully model the functionality of
8997 register usage at the backend.
8998 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8999 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9000 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9001 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9002 df_get_artificial_defs, df_get_artificial_uses,
9003 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9004 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9005 df_refs_delete, df_reorganize_refs, df_set_state,
9006 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9007 df_def_record_1, df_defs_record, df_uses_record,
9008 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9009 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9010 df_record_exit_block_uses, df_hard_reg_init): New functions.
9012 * df-problems.c: Seven concrete dataflow problems that use the
9013 scanning in df-scan.c and are solved by the engine in df-core.c.
9014 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9015 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9016 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9017 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9018 df_ru_free_bb_info, df_ru_alloc,
9019 df_ru_bb_local_compute_process_def,
9020 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9021 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9022 df_ru_transfer_function, df_ru_free, df_ru_dump,
9023 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9024 df_rd_free_bb_info, df_rd_alloc,
9025 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9026 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9027 df_rd_transfer_function, df_rd_free, df_rd_dump,
9028 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9029 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9030 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9031 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9032 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9033 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9034 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9035 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9036 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9037 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9038 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9039 df_urec_mark_reg_use_for_earlyclobber,
9040 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9041 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9042 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9043 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9044 df_chain_create_bb_process_use, df_chain_create_bb,
9045 df_chain_finalize, df_chain_free, df_chains_dump,
9046 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9047 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9048 df_reg_lifetime): New functions.
9049 * df.c: Deleted file.
9050 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9051 consistent with new df api.
9052 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9053 rest_of_handle_sms): Ditto.
9054 * web.c (unionfind_union, union_defs, entry_register, web_main):
9056 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9057 invariant_expr_equal_p, find_defs, check_dependencies,
9058 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9059 free_inv_motion_data, move_loop_invariants): Ditto.
9060 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9061 Update dependencies.
9062 (odf.c): Added defective entry that was deleted later in day.
9063 * sched-deps.c (sched_analyze_1): Ditto.
9065 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9067 * tree-ssa-operands.c (get_expr_operands): Record addressable
9068 variables directly. Do not call add_stmt_operands for CONST_DECLs
9070 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9071 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9073 2006-01-11 Ben Elliston <bje@au.ibm.com>
9075 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9076 function returns true in the positive case.
9078 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9081 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9082 for SI, DI, SF and DF modes. Add alternatives to copy between
9083 general and floating point registers to the 32-bit patterns.
9084 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9085 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9086 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9087 generating 64-bit code.
9088 * config/pa/pa.c (output_move_double): Handle copies between general
9089 and floating registers.
9091 2006-01-10 Stuart Hastings <stuart@apple.com>
9093 * config/i386/i386.md (set_got): Update.
9094 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9095 (builtin_setjmp_receiver): Mach-O support.
9096 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9097 (GOT_SYMBOL_NAME): Define.
9098 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9099 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9100 * config/i386/i386.c (override_options): Revise for Darwin.
9101 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9102 support. (darwin_x86_file_end): New. (output_set_got): Add label
9103 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9104 * config/i386/i386-protos.h (output_set_got): Likewise.
9105 * config/darwin.c (machopic_legitimize_pic_address): Update
9108 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9110 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9111 when MODE isn't BLKmode.
9113 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9115 PR rtl-optimization/25367
9116 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9118 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9121 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9122 for a negative bound.
9124 2006-01-10 Richard Guenther <rguenther@suse.de>
9126 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9127 Never override with anything constraint.
9129 2006-01-10 Jan Beulich <jbeulich@novell.com>
9131 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9132 256 bits when optimize_size.
9134 2006-01-10 Jan Beulich <jbeulich@novell.com>
9136 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9138 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9139 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9142 2006-01-10 Ben Elliston <bje@au.ibm.com>
9144 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9146 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9147 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9148 (USE_FP_FOR_ARG): Reject decimal float modes.
9149 (function_arg_advance): Likewise.
9150 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9151 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9152 point types in AltiVec vectors.
9153 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9154 (rs6000_libcall_value): Likewise.
9156 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9158 * config/xtensa/ieee754-df.S: New file.
9159 * config/xtensa/ieee754-sf.S: New file.
9160 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9161 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9162 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9164 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9166 * config/sh/predicates.md (binary_float_operator,
9167 binary_logical_operator, commutative_float_operator,
9168 equality_comparison_operator, greater_comparison_operator,
9169 less_comparison_operator, logical_operator,
9170 noncommutative_float_operator, shift_operator,
9171 symbol_ref_operand, unary_float_operator): Remove redundant
9174 2006-01-09 Jeff Law <law@redhat.com>
9176 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9177 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9178 now unused arguments. Callers updated.
9179 (eliminate_redundant_computations): Remove now unused arguments,
9181 (local_fold): Remove, no longer used.
9182 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9184 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9185 (simplify_cond): New function.
9186 (forward_propagate_into_cond): Call simplify_cond.
9188 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9190 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9191 (*vec_extractv2di_1_sse): New.
9193 2006-01-09 Ben Elliston <bje@au.ibm.com>
9195 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9197 2006-01-08 Richard Guenther <rguenther@suse.de>
9199 * tree-ssa-structalias.c (get_constraint_for): Remove
9201 (get_constraint_for_component_ref): Likewise.
9202 (do_deref): Likewise.
9203 (get_constraint_for): Likewise.
9204 (do_structure_copy): Likewise.
9205 (handle_ptr_arith): Likewise.
9206 (find_func_aliases): Likewise. Remove unused need_anyoffset
9209 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9210 Kaz Kojima <kkojima@gcc.gnu.org>
9212 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9213 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9214 (EXTRA_CONSTRAINT_C16): Remove.
9215 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9216 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9217 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9218 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9219 constants of SHmedia. Handle nested constant expressions of
9221 (andcosts): Fix the costs for SHmedia constants.
9222 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9223 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9224 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9225 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9226 (movv4hi_i, movv2si_i): Likewise.
9227 (movsi_const): Adjust the second operand of ior so to match with
9229 (movdi_const, movdi_const_32bit): Likewise.
9230 (movdi_const_16bit+1): Don't sign-extend LOW.
9231 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9233 (*double_shori): Fix the split condition. Use GEN_INT instead
9234 of get_int_mode calls. Mask lower 16-bit of the argument of
9236 (sym2GOTPLT): Remove.
9237 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9239 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9240 instead of EXTRA_CONSTRAINT_C16.
9242 2006-01-07 Ian Lance Taylor <ian@airs.com>
9243 David Edelsohn <edelsohn@gnu.org>
9245 PR rtl-optimization/25662
9246 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9247 for constant operands instead of simplify_gen_binary.
9248 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9249 after trying simplify_binary_operation
9251 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9253 * tree.c (iterative_hash_expr): Hash decls based on UID.
9255 2006-01-06 Eric Christopher <echristo@apple.com>
9257 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9258 (TARGET_UNWIND_EMIT): Fix spelling.
9259 * target.h (gcc_target): Add except_table_label.
9260 * except.c (output_function_exception_table): Use.
9261 * varasm.c (default_emit_except_table_label): New.
9262 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9264 (asm_out): Add here.
9265 * output.h (default_emit_except_table_label): Prototype.
9266 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9267 * config/darwin.c (darwin_emit_except_table_label): Define.
9268 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9270 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9272 PR tree-optimization/18527
9273 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9274 number_of_iterations_special, number_of_iterations_exit):
9275 Move base and step of an iv to a single structure. Add
9276 no_overflow flag, and use it in # of iterations analysis.
9277 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9278 folded_casts argument.
9279 (simple_iv): Pass base and step in a structure. Set no_overflow
9281 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9282 Evaluate expensiveness of computing # of iterations instead of
9283 the final expression.
9284 * tree-scalar-evolution.h (affine_iv): New structure.
9285 (simple_iv): Declaration changed.
9286 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9287 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9288 find_givs_in_stmt): Changed due to simple_iv change.
9290 2006-01-06 Jeff Law <law@redhat.com>
9293 * tree-cfg.c (bsi_replace): Rename final argument from
9294 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9295 change (stmt -> orig_stmt).
9296 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9297 (bsi_remove): Add new argument. Remove EH information
9299 (verify_eh_throw_table_statements): New function.
9300 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9302 * tree-optimize.c (execute_free_cfg_annotations): Verify
9303 the EH throw statement table after removing annotations.
9304 * except.h (verify_eh_throw_table_statements): Prototype.
9305 * tree-flow.h (bsi_remove): Update prototype.
9306 * tree-vrp.c (remove_range_assertions): Add new argument to
9308 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9309 * tree-complex.c (expand_complex_div_wide): Likewise.
9310 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9311 * tree-tailcall.c (eliminate_tailcall): Likewise.
9312 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9313 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9314 * tree-nrv.c (tree_nrv): Likewise.
9315 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9316 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9317 (combine_blocks): Likewise.
9318 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9319 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9320 (cleanup_control_flow): Likewise.
9321 (remove_forwarder_block): Likewise.
9322 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9323 * tree-sra.c (sra_replace): Likewise.
9324 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9325 (forward_propagate_single_use_vars): Likewise.
9326 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9327 * tree-inline.c (expand_call_inline): Likewise.
9328 * tree-vect-transform.c (vect_transform_loop): Likewise.
9329 * tree-outof-ssa.c (rewrite_trees): Likewise.
9330 * tree-cfg.c (make_goto_expr_edges): Likewise.
9331 (cleanup_dead_labels): Likewise.
9332 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9333 (bsi_move_before, bsi_move_after): Likewise.
9334 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9335 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9337 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9340 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9342 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9343 on non gimple variables. Also add checks at the top for decls and
9345 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9347 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9348 and IMAGPART_EXPR for creating MUST_DEFs.
9349 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9350 and NAME_MEMORY_TAG separately from the DECLs.
9352 2006-01-06 Richard Guenther <rguenther@suse.de>
9354 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9355 annotation, if necessary.
9356 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9357 redundant calls to update_stmt.
9358 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9361 2006-01-05 Richard Henderson <rth@redhat.com>
9363 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9365 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9367 * c-typeck.c: Update copyright date.
9369 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9371 * c-typeck.c (build_c_cast): Always warn when casting
9372 from a pointer to an integer of different size, even if
9373 the node was constant.
9375 2006-01-05 Richard Guenther <rguenther@suse.de>
9377 PR tree-optimization/22555
9378 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9379 if one structure field is an array.
9380 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9381 operands even if we found a subvar, but ignore VOPs in this
9383 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9385 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9387 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9390 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9392 2006-01-05 Richard Guenther <rguenther@suse.de>
9393 Diego Novillo <dnovillo@redhat.com>
9395 * tree-pass.h (TODO_remove_unused_locals): Define.
9396 * gimple-low.c (expand_var_p, remove_useless_vars,
9397 pass_remove_useless_vars): Remove. Update all users.
9398 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9399 (remove_unused_locals): New function.
9400 * tree-flow.h (remove_unused_locals): Declare.
9401 * passes.c (execute_todo): Call remove_unused_locals if
9402 TODO_remove_unused_locals is set.
9403 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9404 * tree-ssa-dce.c (pass_dce): Likewise.
9405 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9407 2006-01-05 Richard Guenther <rguenther@suse.de>
9409 * tree-flow.h (struct fieldoff): Decompose field to
9410 type, size and decl.
9411 * tree-ssa-alias.c (create_sft): Take type as parameter.
9412 (create_overlap_variables_for): Store type, size and decl
9413 in the fieldoff structure.
9414 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9416 (push_fields_onto_fieldstack): Likewise.
9417 (create_variable_info_for): Likewise. Use offset for the
9418 SFT name if the decl is not available.
9420 2006-01-04 Paul Brook <paul@codesourcery.com>
9422 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9424 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9426 * lambda-code.c (can_put_in_inner_loop): Relax
9428 (can_put_after_inner_loop): New function.
9429 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9430 (perfect_nestify): Change to make copies and modify uses.
9432 2006-01-04 Richard Henderson <rth@redhat.com>
9434 Merge from gomp branch:
9435 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9436 via integer constant.
9437 (pragma_lex): Remove.
9438 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9439 rather than parsing it.
9440 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9441 handle_pragma_extern_prefix): Add %< %> quotes.
9442 (registered_pragmas): New.
9443 (c_register_pragma_1): New.
9444 (c_register_pragma): Use it.
9445 (c_register_pragma_with_expansion): Likewise.
9446 (c_invoke_pragma_handler): New.
9447 (init_pragma): Use cpp_register_deferred_pragma directly for
9449 * c-pragma.h (enum pragma_kind): New.
9450 (pragma_handler): New.
9451 (c_invoke_pragma_handler): Declare.
9452 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9454 * c-common.h (c_common_pch_pragma): Update decl.
9455 * Makefile.in (c-parser.o): Update dependencies.
9456 (GTFILES): Add c-pragma.h.
9457 * c-parser.c (struct c_token): Add pragma_kind.
9458 (struct c_parser): Add in_pragma.
9459 (c_lex_one_token): Always initialize keyword and pragma_kind.
9460 Extract data for CPP_PRAGMA.
9461 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9462 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9463 Don't allow CPP_PRAGMA_EOL if in_pragma.
9464 (c_parser_consume_pragma): New.
9465 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9466 (c_parser_skip_to_end_of_parameter): Likewise.
9467 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9468 (c_parser_skip_to_pragma_eol): New.
9469 (c_parser_external_declaration): Handle CPP_PRAGMA.
9470 (c_parser_compound_statement_nostart): Likewise.
9471 (c_parser_statement_after_labels): Likewise.
9472 (c_parser_pragma): New.
9473 (pragma_lex): Likewise.
9474 (c_parser_pragma_pch_preprocess): New.
9475 (c_parser_new): Merge into ...
9476 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9478 2006-01-04 Jeff Law <law@redhat.com>
9481 * tree-cfg.c (bsi_replace): Remove the original statement
9482 from the EH throw statement table.
9484 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9486 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9487 make the prototype extern "C" and add throw ().
9490 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9491 and pos non-negative and pos + len <= 32.
9492 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9493 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9494 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9497 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9498 as well as sizes not multiple of component size.
9501 * function.c (instantiate_expr): New function.
9502 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9503 walk its DECL_VALUE_EXPR with instantiate_expr.
9505 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9506 DW_OP_deref{,_size} if address isn't going to be added.
9508 2006-01-04 Ben Elliston <bje@au.ibm.com>
9510 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9511 * config/fp-bit.c: Likewise.
9513 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9515 * dominance.c: Add comment about why we use DFS numbering
9518 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9519 Richard Henderson <rth@redhat.com>
9521 Merge from gomp-branch:
9522 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9523 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9525 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9527 PR rtl-optimization/25578
9528 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9529 pass a parameter to simplify_shift_const if changing ASHIFTRT
9532 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9534 * builtins.c (get_builtin_sync_mem): New function.
9535 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9536 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9537 Call get_builtin_sync_mem to generate mem rtx.
9539 2006-01-03 Richard Guenther <rguenther@suse.de>
9542 * stmt.c (add_case_node): Make sure to clear overflow flags
9545 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9547 Merge from gomp-branch.
9548 * config/sparc/sync.md: New file.
9549 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9550 UNSPECV_LDSTUB): New constants.
9551 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9552 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9553 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9556 2006-01-03 Roger Sayle <roger@eyesopen.com>
9558 * combine.c (reg_subword_p): New predicate to test whether the
9559 destination of a set refers to a subword/piece of a register.
9560 (try_combine): Generalize the code to merge the setting of a
9561 pseudo to a constant followed by a set of a subword of that
9562 register to a constant.
9564 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9566 * basic-block.h (control_flow_graph): Change the type of
9567 x_label_to_block_map to VEC(basic_block,gc) *.
9568 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9569 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9571 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9572 VEC(basic_block,heap) *.
9573 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9574 ssa_prop_fini): Adjust the uses of cfg_blocks.
9576 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9578 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9580 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9581 hashing trees instead of a pointer hash.
9582 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9583 compare for MEM_EXPR.
9585 PR rtl-optimization/25130
9586 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9587 when comparing MEMs for GCSE
9589 2006-01-03 Ben Elliston <bje@au.ibm.com>
9591 * targhooks.h (default_decimal_float_supported_p): Declare.
9592 * targhooks.c (default_decimal_float_supported_p): Define.
9593 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9594 `default_decimal_float_supported_p'.
9595 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9597 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9599 * combine.c (apply_distributive_law <SUBREG>): Check
9600 TRULY_NOOP_TRUNCATION.
9602 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9604 * dwarf2out.c (have_switched_text_section): Delete.
9605 (have_multiple_function_sections): New.
9606 (have_location_lists): Make 'bool'.
9607 (add_AT_loc_list): Use 'true' not '1'.
9608 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9609 (output_loc_list): Use have_multiple_function_sections.
9610 (output_ranges): Likewise.
9611 (dwarf2out_begin_function): Set have_multiple_function_sections if
9613 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9614 Check function_section rather than DECL_SECTION_NAME.
9615 (dwarf2out_finish): Use have_multiple_function_sections.
9616 Don't clear have_location_lists.
9618 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9619 Jan Hubicka <jh@suse.cz>
9621 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9622 case of conditional jump jumping to the next instruction.
9623 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9624 cases of conditional jump jumping to the next instruction.
9626 2006-01-02 Jan Hubicka <jh@suse.cz>
9628 * i386.c (*_cost): Add COSTS_N_INSNS.
9629 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9631 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9634 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9636 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9638 * config/arm/arm.c (all_fpus): Fix comment typo.
9639 * config/darwin.c: Likewise.
9640 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9641 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9642 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9644 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9646 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9647 (rs6000_split_compare_and_swapqhi): New.
9648 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9649 (sync_compare_and_swapqhi_internal): New.
9650 * config/rs6000/rs6000-protos.h: Declare.