1 2006-04-17 Roger Sayle <roger@eyesopen.com>
3 * expr.c (expand_assignment): Optimize away no-op moves where the
4 source and destination are equal and have no side-effects.
6 2006-04-17 Richard Guenther <rguenther@suse.de>
9 * reload.c (push_reload): Guard calls to get_secondary_mem
12 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
14 * alias.c (reg_base_value, old_reg_base_value): Change the
15 type to VEC(rtx,gc) *.
16 (REG_BASE_VALUE, find_base_value, record_set,
17 init_alias_analysis): Use VEC instead of VARRAY.
19 * alias.c (alias_sets): Change the type to
20 VEC(alias_set_entry,gc) *.
21 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
22 VEC instead of VARRAY.
23 (last_alias_set): Remove.
25 * cgraph.h (cgraph_edge_p): New.
26 Update the prototype of cgraph_function_versioning.
27 * cgraphunit.c (cgraph_copy_node_for_versioning,
28 cgraph_function_versioning): Use VEC instead of VARRAY.
29 * ipa-cp.c (ipcp_insert_stage): Likewise.
31 2006-04-16 Roger Sayle <roger@eyesopen.com>
34 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
35 "A op B" or "A op C", we may need to convert A to the type of B and C.
37 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
39 * target.h (struct gcc_target): Add mode_rep_extended.
40 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
41 (init_num_sign_bit_copies_in_rep): Initialize it using
43 (truncate_to_mode): Use it.
44 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
45 * targhooks.h (default_mode_rep_extended): Declare it.
46 * targhooks.c (default_mode_rep_extended): Define it.
47 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
48 default_mode_rep_extended.
49 (TARGET_INITIALIZER): Include it.
50 * doc/tm.texi (Misc): Document it.
51 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
52 (mips_truncated_to_mode): New function.
54 2006-04-16 Roger Sayle <roger@eyesopen.com>
57 * expr.c (compress_float_constant): Copy the narrow constant into
58 a new pseudo before extending it to its final width.
60 2006-04-16 Roger Sayle <roger@eyesopen.com>
61 Andrew Pinski <pinskia@gcc.gnu.org>
62 Dale Johannesen <dalej@apple.com>
65 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
66 special case code to implement V8HImode and V16QImode with SSE2.
68 2006-04-15 Roger Sayle <roger@eyesopen.com>
70 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
71 trees are constructed with a suitable tree type.
73 2006-04-15 Roger Sayle <roger@eyesopen.com>
75 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
76 (integer_onep): Likewise.
77 (integer_all_onesp): Likewise.
78 (integer_pow2p): Likewise.
79 (integer_nonzerop): Likewise.
80 (real_zerop): Likewise.
81 (real_onep): Likewise.
82 (real_twop): Likewise.
83 (real_minus_onep): Likewise.
84 (int_size_in_bytes): Likewise.
85 (host_integerp): Likewise.
87 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
89 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
90 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
91 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
93 * tree-ssa-structalias.h (alias_info): Remove num_references.
95 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
97 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
98 (output_bvb patterns): Likewise.
99 * pa.c (output_bb): Use 'bb' insn for long branch case.
100 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
101 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
102 1. Correct length operand for alternatives 1 and 2.
103 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
104 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
106 2006-04-14 Roger Sayle <roger@eyesopen.com>
108 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
109 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
110 were accidentally reverted by r112959.
112 2006-04-15 Jakub Jelinek <jakub@redhat.com>
115 * except.h (eh_region_outermost): New prototype.
116 * except.c (eh_region_outermost): New function.
117 * tree-cfg.c (find_outermost_region_in_block): Use it.
119 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
121 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
123 * reload1.c (reg_equiv_memory_loc_varray): Rename to
124 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
125 (init_reload, reload): Use VEC instead of VARRAY.
126 * reload.h: Update the prototype for
127 reg_equiv_memory_loc_varray.
129 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
130 Eric Botcazou <ebotcazou@libertysurf.fr>
132 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
135 2005-04-13 Uros Bizjak <uros@kss-loka.si>
138 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
139 to expand fallback builtin function call.
141 2006-04-14 Alan Modra <amodra@bigpond.net.au>
144 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
145 and emit libcall here in case the builtin fails.
146 (expand_builtin_strcmp): Always emit the libcall here on failure.
148 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
150 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
151 * flow.c (reg_n_info): Change the type to
152 VEC(reg_info_p,heap) *.
153 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
155 * regs.h (reg_info_p): New.
156 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
157 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
158 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
161 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
163 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
165 * params.h (MAX_SCHED_READY_INSNS): New macro.
166 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
167 past MAX_SCHED_READY_INSNS during the first scheduling pass.
168 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
169 the ready list for 1 cycle during the first scheduling pass.
170 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
172 2006-04-13 Richard Henderson <rth@redhat.com>
175 * gimple-low.c (lower_omp_directive): Remove dead code.
176 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
177 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
178 * omp-low.c (struct omp_region): Move to tree-flow.h.
179 (root_omp_region): Export.
180 (omp_regions, lookup_omp_region): Remove.
181 (determine_parallel_type): Update for struct omp_region changes.
182 (dump_omp_region): Dump regions with block numbers.
183 (new_omp_region): Take type and block instead of stmt; malloc
185 (free_omp_region_1, free_omp_regions): New.
186 (expand_parallel_call): Take entry_stmt as argument; update for
187 changes to omp_region.
188 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
189 (remove_exit_barriers): New.
190 (expand_omp_parallel): Update for struct omp_region changes.
191 (expand_omp_synch): Likewise.
192 (expand_omp): Likewise.
193 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
194 (expand_omp_for_static_chunk): Likewise.
195 (expand_omp_for): Likewise.
196 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
197 (expand_omp_sections): Similarly, with GOMP_sections_end.
198 (expand_omp_single): New.
199 (build_omp_regions_1): Update for OMP_CONTINUE.
200 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
201 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
202 OMP_SECTIONS_SECTIONS.
203 (lower_omp_single_simple): Don't emit barrier here.
204 (lower_omp_single_copy): Likewise.
205 (lower_omp_single): Fix bindings, and lower to straightline now.
206 (lower_omp_master, lower_omp_ordered): Likewise.
207 (lower_omp_critical): Likewise.
208 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
209 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
210 omp edges, free it afterward.
211 (make_omp_sections_edges): Remove.
212 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
213 (move_stmt_r): Handle OMP_CONTINUE.
214 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
215 statement pointers to basic blocks. Add type member.
216 (root_omp_region, new_omp_region, free_omp_regions): Declare.
217 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
218 * tree-inline.c (estimate_num_insns_1): Likewise.
219 * tree-pretty-print.c (dump_generic_node): Likewise.
220 * tree-ssa-operands.c (get_expr_operands): Likewise.
221 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
222 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
224 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
225 (OMP_SECTIONS_SECTIONS): Remove.
226 (OMP_SECTION_LAST): New.
227 (OMP_RETURN_NOWAIT): New.
229 2006-04-13 Roger Sayle <roger@eyesopen.com>
231 * fold-const.c (native_encode_vector, native_interpret_real):
232 Correct obvious mistakes in the previous check-in.
234 2006-04-13 Roger Sayle <roger@eyesopen.com>
236 * fold-const.c (native_encode_expr): New function to encode
237 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
238 or VECTOR_CST into a specified buffer.
239 (native_encode_int): New function.
240 (native_encode_real): New function.
241 (native_encode_complex): New function.
242 (native_encode_vector): New function.
243 (native_interpret_expr): Inverse of native_encode_expr to convert
244 a target representation into an INTEGER_CST, REAL_CST etc...
245 (native_interpret_int): New function.
246 (native_interpret_real): New function.
247 (native_interpret_complex): New function.
248 (native_interpret_vector): New function.
249 (fold_view_convert_expr): New function to constant fold/evaluate
250 a VIEW_CONVERT_EXPR of a suitable constant expression.
251 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
252 Change call of build1 to fold_build1 when constructing a
255 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
256 Ulrich Weigand <uweigand@de.ibm.com>
259 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
262 2006-04-13 Alan Modra <amodra@bigpond.net.au>
265 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
266 optimize to lo_sum for DFmode if !TARGET_FPRS.
268 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
270 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
271 delete_alias_info, compute_flow_sensitive_aliasing,
272 group_aliases): Use VEC instead of VARRAY.
273 * tree-ssa-structalias.c (update_alias_info): Likewise.
274 * tree-ssa-structalias.h (alias_info): Change the type of
275 processed_ptrs to VEC(tree,heap) *.
277 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
280 * config/sh/lib1funcs.h: New file, broken out of:
281 * config/sh/lib1funcs.asm.
282 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
284 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
285 * config/sh/lib1funcs-Os-4-200.asm: New file.
286 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
287 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
288 (EXTRA_MULTILIB_PARTS): Include it.
289 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
290 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
291 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
292 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
295 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
297 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
298 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
299 tpa_compact, root_var_init, type_var_init): Use VEC instead of
301 * tree-ssa-live.h: Include vecprim.h.
302 (tree_partition_associator_d): Change the type of
303 first_partition to VEC(int,heap) *.
304 (tpa_first_partition): Use VEC instead of VARRAY.
306 * Makefile.in (GTFILES): Move functions.h after tree.h.
307 * function.c (reset_block_changes, record_block_change,
308 check_block_change, free_block_changes): Use VEC instead of
310 * function.h (function): Change the type of
311 ib_boundaries_block to VEC(tree,gc) *.
312 * tree-inline.c (copy_cfg_body): Initialize
313 ib_boundaries_block to NULL instead of (varray_type) 0.
315 2006-04-12 Roger Sayle <roger@eyesopen.com>
317 * expr.c (emit_group_store): Correct operand order in call to
318 subreg_lowpart_offset. Always create paradoxical SUBREGs with
319 a SUBREG_BYTE of zero.
321 2006-04-12 Richard Guenther <rguenther@suse.de>
323 * profile.c (compute_branch_probabilities): Remove code
324 encapsulated in !ir_type (), which are remanents of the
325 removed RTL profiling code.
326 * rtl-profile.c: Remove.
328 2006-04-12 Alan Modra <amodra@bigpond.net.au>
330 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
331 magic NULL_RTX comment.
332 (function_arg): Store entire fp arg to mem if any part should go
334 (rs6000_arg_partial_bytes): Adjust for above change.
336 2006-04-11 Roger Sayle <roger@eyesopen.com>
338 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
339 if it hasn't been initialized by dwarf2out_init.
341 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
343 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
344 symbolic constants in branch patterns.
346 2006-04-11 Roger Sayle <roger@eyesopen.com>
348 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
350 2006-04-11 Richard Sandiford <richard@codesourcery.com>
352 PR rtl-optimization/27073
353 * gcse.c (try_replace_reg): Revert last change. Continue to search
354 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
357 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
359 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
360 aggregate types other than record and union types.
361 (function_arg): Likewise.
362 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
364 (function_value): In 64-bit mode, return objects that require it
367 2006-04-11 Roger Sayle <roger@eyesopen.com>
369 * dwarf2out.c (premark_used_types): Remove problematic prototype.
371 2006-04-11 Jakub Jelinek <jakub@redhat.com>
373 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
375 2006-04-03 Jeff Law <law@redhat.com>
378 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
379 alias information too.
381 2006-04-10 Mike Frysinger <vapier@gentoo.org>
383 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
385 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
388 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
389 (premark_used_types_helper): New.
390 (premark_used_types): New.
391 (gen_subprogram_die): Call premark_used_types.
392 (prune_unused_types_walk): Do not prune perennial dies.
393 * function.c (used_types_insert): New.
394 * function.h (struct function): Add used_types_hash field.
395 (used_types_insert): Add prototype.
396 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
397 * c-parser.c (c_parser_cast_expression): Save casted types in used
400 2006-04-11 Mark Mitchell <mark@codesourcery.com>
403 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
404 rs6000_explicit_options.float_gprs.
406 2006-04-10 Roger Sayle <roger@eyesopen.com>
408 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
409 from ix86_expand_vector_init_low_nonzero. Take an additional
410 one_var argument indicating which element is non-zero. Support
411 one_var != 0 for V4SFmode and V4SImode by permuting the result.
412 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
413 with one_var instead of ix86_expand_vector_init_low_nonzero.
415 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
417 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
418 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
419 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
420 build/genextract.o): Depend on vecprim.h.
421 * cfglayout.c, df-problems.c, function.c, genextract.c,
422 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
423 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
427 2006-04-10 Geoffrey Keating <geoffk@apple.com>
429 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
430 Declare VECs of this type.
431 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
432 (remove_children): Delete.
433 (add_dwarf_attr): Use VEC routines.
434 (add_AT_flag): Update for changes to add_dwarf_attr.
435 (add_AT_int): Likewise.
436 (add_AT_unsigned): Likewise.
437 (add_AT_long_long): Likewise.
438 (add_AT_vec): Likewise.
439 (add_AT_string): Likewise.
440 (add_AT_die_ref): Likewise.
441 (add_AT_fde_ref): Likewise.
442 (add_AT_loc): Likewise.
443 (add_AT_loc_list): Likewise.
444 (add_AT_addr): Likewise.
445 (add_AT_lbl_id): Likewise.
446 (add_AT_lineptr): Likewise.
447 (add_AT_macptr): Likewise.
448 (add_AT_offset): Likewise.
449 (add_AT_range_list): Likewise.
450 (get_AT): Use VEC_iterate.
451 (remove_AT): Use VEC_ordered_remove.
452 (free_die): Fold remove_children into here; have it use VEC_iterate.
453 (print_die): Use VEC_iterate on attrs.
454 (reverse_die_lists): Don't reverse attr lists.
455 (die_checksum): Use VEC_iterate on attrs.
456 (same_die_p): Likewise.
457 (output_location_lists): Likewise.
458 (build_abbrev_table): Likewise.
459 (size_of_die): Likewise.
460 (unmark_all_dies): Likewise.
461 (output_abbrev_section): Likewise.
462 (output_die): Likewise.
463 (prune_unused_types_walk_attribs): Likewise.
465 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
467 * doc/install.texi (*-*-solaris2*): Point to the configure page.
469 2006-04-10 Jakub Jelinek <jakub@redhat.com>
472 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
474 2006-04-09 Roger Sayle <roger@eyesopen.com>
476 * expr.c (store_constructor): Don't bother clearing target if
477 we're about to assign a vector to it using vec_init_optab.
479 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
481 * tree-ssa-alias.c (lhs_may_store_to): New function.
482 (recalculate_used_alone): Handle LHS of calls.
484 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
488 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
489 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
490 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
491 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
492 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
493 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
494 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
495 stubs. Add ".align 8" directives before all ".dword" directives.
496 (GTHREAD_USE_WEAK): Revise comment.
497 (TARGET_ATTRIBUTE_WEAK): Define.
498 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
499 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
500 * stublib.c: New file.
505 * pa.md (cbranch patterns): Revise arguments used in calls to
506 output_cbranch, output_bb and output_bvd. Add long branch length
508 (fbranch patterns): Handle long branches.
509 (jump): Revise length check. Revise arguments for output_lbranch call.
510 Add long branch length attributes.
511 (decrement_and_branch_until_zero): Add long branch length attributes.
512 (output_movb, output_parallel_addb and output_parallel_movb patterns):
513 Likewise. Revise arguments for output_parallel_addb and
514 output_parallel_movb calls.
515 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
516 output_parallel_movb and output_parallel_addb): Update prototypes.
517 * pa.c (output_cbranch): Revise arguments. Correct handling of
518 nullification in long branches.
519 (output_lbranch): Add new argument to control extraction of delay
521 (output_bb): Handle long branches.
522 (output_bvb, output_dbra, output_movb, output_parallel_movb,
523 output_parallel_addb): Likewise.
525 2006-04-09 Richard Sandiford <richard@codesourcery.com>
527 PR rtl-optimization/27073
528 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
531 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
533 * tree.h (tree_memory_tag): Add old_used_alone.
534 (SMT_OLD_USED_ALONE): New macro.
535 * tree-ssa-alias.c (recalculate_used_alone): Stop
536 marking things for renaming unnecessarily.
538 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
540 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
541 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
542 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
543 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
544 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
545 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
546 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
547 spelling convensions.
548 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
549 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
550 typos. Follow spelling conventions.
552 2006-04-07 DJ Delorie <dj@redhat.com>
554 * config/m32c/m32c.c (m32c_function_arg): Structures are always
556 (m32c_init_cumulative_args): When a function returns a structure,
557 always pass the pointer to that return area on the stack.
558 (m32c_function_arg_advance): Don't increment the parameter number
559 if we're processing the returned structure pointer.
560 (pushm_info): Reverse order of registers.
562 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
564 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
565 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
566 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
567 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
569 * tree-chrec.c (chrec_fold_multiply_poly_poly,
570 chrec_fold_multiply): Same.
571 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
572 force_expr_to_var_cost): Same.
573 * tree-mudflap.c (mf_xform_derefs_1): Same.
574 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
576 2006-04-07 David Edelsohn <edelsohn@gnu.org>
578 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
579 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
582 2006-04-07 Jan Hubicka <jh@suse.cz>
584 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
586 2006-04-07 Richard Guenther <rguenther@suse.de>
588 PR tree-optimization/26135
589 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
590 loads for store copy-prop.
591 (copy_prop_visit_stmt): Likewise.
593 2006-04-05 Robert Millan <robertmh@gnu.org>
595 * gcc/config/i386/linux.h: Add a comment to mark macros that are
596 being overriden in config/k*bsd-gnu.h.
597 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
599 * gcc/config/knetbsd-gnu.h: Ditto.
601 2006-04-06 Jan Hubicka <jh@suse.cz>
605 * coverage.c (coverage_checksum_string): Reorganize loop to not read
608 2006-04-06 Mike Stump <mrs@apple.com>
610 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
611 for HAVE_nonlocal_goto to be consistent.
612 (expand_builtin_nonlocal_goto): Likewise.
613 (expand_builtin_strcmp): Use #ifdef instead of #if
614 for HAVE_cmpstrnsi to be consistent.
616 2006-04-05 DJ Delorie <dj@redhat.com>
618 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
621 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
623 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
624 got-relative addressing for anything but SImode.
626 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
627 even if the calling function doesn't modify them.
629 2006-04-05 Richard Guenther <rguenther@suse.de>
631 PR tree-optimization/26919
632 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
633 to cgraph_estimate_size_after_inlining.
635 2006-04-05 Alan Modra <amodra@bigpond.net.au>
637 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
639 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
641 PR tree-optimization/26996
642 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
643 VECTOR_TYPE variables.
645 2006-04-05 Richard Guenther <rguenther@suse.de>
647 PR tree-optimization/26763
648 * fold-const.c (fold_comparison): Move folding of
649 PTR + CST CMP PTR + CST ...
650 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
652 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
654 * doc/install.texi (Prerequisites): Refine some wording on
655 bootstrapping and ksh.
656 Move the version numbers of DejaGnu here from the testing section
657 and fix casing of names.
658 Fix markup and clarify wording for autogen requirements.
659 Refer to GCJ instead of just java.
660 Refer to SVN instead of CVS.
661 Describe diffutils as useful instead of necessary.
662 (Downloading the source): Refer to SVN instead of CVS.
663 Adjust a link to our web site accordingly.
664 (Configuration): Fix casing of Bison.
665 (Building): Refer to SVN instead of CVS.
666 Fix a sentence on the use of Bison and remove duplicate (and
667 incorrect) version number of Bison requirement.
668 Remove one redundant list of packages needed for building.
669 (Specific): Avoid reference to CVS.
671 2006-04-04 Eric Christopher <echristo@apple.com>
673 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
674 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
675 (rs6000_handle_struct_attribute): New.
676 (rs6000_ms_bitfield_layout_p): Ditto.
678 2006-04-04 Geoffrey Keating <geoffk@apple.com>
680 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
681 NULL for dso parameter to atexit_common.
683 2006-04-04 Eric Christopher <echristo@apple.com>
685 * config/i386/i386.c (machopic_output_stub): Output \t
686 between instructions and operands.
688 2006-04-04 David Edelsohn <edelsohn@gnu.org>
690 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
691 satisfies_constraint_[IL] to explicit tests on value.
693 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
695 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
696 set_nb_iterations_in_loop): Use build_int_cst instead of
698 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
699 build_int_cst instead of convert.
701 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
703 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
704 new value 2 for incoming.
705 * function.c (expand_function_start): Call struct_value_rtx
707 * config/sparc/sparc.md: Comment updated_return.
708 * config/sparc/sparc.opt: Add -mstd-struct-return option.
709 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
710 struct return if sparc_std_struct_return and incoming is 2.
711 (print_operand): Do not adjust return if
712 sparc_std_struct_return.
714 2006-04-04 Roger Sayle <roger@eyesopen.com>
716 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
717 convert in the middle-end.
718 * expr.c (store_expr, store_constructor, get_inner_reference,
719 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
721 * tree.c (build_range_type): Likewise.
723 2006-04-04 Tom Tromey <tromey@redhat.com>
725 * doc/install.texi (Prerequisites): Mention jar.
727 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
729 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
732 2006-04-04 Matthias Klose <doko@debian.org>
734 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
736 2006-04-03 Geoffrey Keating <geoffk@apple.com>
738 * doc/extend.texi (Function Attributes): Rewrite visibility
739 attribute documentation.
740 * doc/invoke.texi (C++ Dialect Options): Rewrite
741 -fvisibility-inlines-hidden documentation to describe something
742 entirely different, although in practise compatible.
743 (Code Gen Options): Warn about system headers in -fvisibiltity=
746 * doc/extend.texi (Other Builtins): Document that
747 __builtin_nan is a compile-time constant only when its argument
750 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
752 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
753 trying to remove TRUNCATE check if all bits outside the new mode
754 are identical to the sign bit.
756 2006-04-03 Jeff Law <law@redhat.com>
758 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
759 and operand scanning in some common cases.
761 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
762 Dale Johannesen <dalej@apple.com>
765 * regclass.c (struct reg_pref): Update documentation.
766 (regclass): Set prefclass to NO_REGS if memory is the best option.
767 (record_reg_classes): Cope with a prefclass set to NO_REGS.
768 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
769 into account. For non-registers, equate an empty preferred
770 reload class to a `!' in the constraint; move the if clause to
771 do so after those that reject the insn.
772 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
774 (find_dummy_reload): Likewise.
775 * doc/tm.texi (Register Classes): Document what it means
776 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
777 * config/i386/i386.c (ix86_preferred_reload_class): Force
778 using SSE registers (and return NO_REGS for floating-point
779 constants) if math is done with SSE.
780 (ix86_preferred_output_reload_class): New.
781 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
782 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
783 * config/i386/i386.md: Remove # register preferences.
785 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
788 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
789 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
791 (instantiate_parameters_1): Convert the operands before calling
792 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
793 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
795 2006-04-02 Roger Sayle <roger@eyesopen.com>
797 * builtins.c (dummy_object): Use build_int_cst instead of convert.
798 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
800 * dojump.c (do_jump): Likewise.
801 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
802 * gimplify.c (gimple_boolify, gimplify_init_constructor,
803 gimplify_boolean_expr): Likewise.
804 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
805 * varasm.c (array_size_for_constructor): Likewise.
806 * tree-object-size.c (compute_object_offset): Likewise.
808 2006-04-02 Roger Sayle <roger@eyesopen.com>
811 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
812 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
814 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
816 PR tree-optimization/26939
817 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
819 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
821 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
822 at_stmt. Convert the type of operands before calling
823 build_polynomial_chrec.
824 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
826 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
827 (instantiate_parameters_1): Convert the type of operands before calling
828 build_polynomial_chrec.
829 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
830 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
831 reset_evolution_in_loop): Insert asserts to check the types of the
833 (chrec_type): Moved...
834 (eq_evolutions_p): Use operand_equal_p.
835 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
836 the types of the operands.
837 (chrec_type): ...here.
838 * tree-data-ref.c (create_data_ref): Convert the operands before
839 calling chrec_replace_initial_condition.
840 (same_access_functions, analyze_subscript_affine_affine,
841 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
842 (compute_subscript_distance, analyze_ziv_subscript,
843 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
844 analyze_miv_subscript): Convert the operands before calling
845 chrec_fold_minus or chrec_fold_plus.
847 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
849 * tree-data-ref.c (compute_all_dependences): Use a pointer to
850 the dependence_relations vector.
851 (compute_data_dependences_for_loop): Adjust call to
852 compute_all_dependences.
854 2006-04-01 Roger Sayle <roger@eyesopen.com>
855 Richard Henderson <rth@redhat.com>
857 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
858 gimple_boolify on the condition before calling gimplify_expr.
860 2006-03-31 Bob Wilson <bob.wilson@acm.org>
862 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
863 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
864 the frame size. Update to use the new macros.
865 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
866 * config/xtensa/ieee754-df.S: Likewise.
868 2006-03-31 Richard Henderson <rth@redhat.com>
870 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
871 (make_edges): ... here. Control fallthru creation with a local
872 variable. Do not play with fake edges.
873 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
874 (make_goto_expr_edges): Don't play with fake edges. Make for_call
877 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
879 * dwarf2.h (DW64_CIE_ID): Define.
880 * dwarf2out.c (DWARF_CIE_ID): Define.
881 (output_call_frame_info): Output 0xffffffff before standard 8-byte
882 length header. Use DWARF_CIE_ID.
883 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
884 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
886 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
888 * config/sh/linux-atomic.asm: New file.
889 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
891 2006-03-31 DJ Delorie <dj@redhat.com>
893 * config/m32c/cond.md: Set condition flags properly throughout.
894 * config/m32c/minmax.md: Likewise.
895 * config/m32c/prologue.md: Likewise.
896 * config/m32c/bitops.md: Likewise.
897 * config/m32c/muldiv.md: Likewise.
898 * config/m32c/mov.md: Likewise.
899 * config/m32c/addsub.md: Likewise.
900 * config/m32c/m32c.md: Likewise.
901 * config/m32c/jump.md: Likewise.
902 * config/m32c/shift.md: Likewise.
904 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
905 conditionally output the pattern for this.
906 * config/m32c/m32c.c (flags_needed_for_conditional): New.
907 (m32c_compare_redundant): New.
908 (m32c_output_compare): New.
909 * config/m32c/m32c-protos.h (m32c_output_compare): New.
911 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
912 dest, not src. Allow other 4-byte modes.
914 2006-03-30 Denis Chertykov <denisc@overta.ru>
916 * doc/md.texi: Refer to avr/constraints.md instead of
919 2006-03-30 Roger Sayle <roger@eyesopen.com>
921 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
922 signed vs. unsigned comparison failures on some hosts.
924 2006-03-31 Alan Modra <amodra@bigpond.net.au>
927 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
928 change to FLOAT_REGS.
930 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
931 (rs6000_override_options): Use it.
932 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
933 only for -mabi=spe/no-spe and -mabi=altivec.
935 2006-03-30 Geoffrey Keating <geoffk@apple.com>
937 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
940 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
942 * Makefile.in: Rename docdir to gcc_docdir.
944 2006-03-30 Roger Sayle <roger@eyesopen.com>
947 * expr.c (emit_group_store): Optimize group stores into a pseudo
948 register by using a paradoxical subreg to initialize the destination
949 if the first or last member of the group specifies a "low part".
951 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
954 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
955 * target.h (struct gcc_target.speculate_insn): Change type of the
956 second parameter to 'int'.
957 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
958 the second operand of the DEPS_LIST.
959 (copy_DEPS_LIST_list): Update reference to the second operand of the
961 * rtl.h (alloc_DEPS_LIST): Update signature.
962 * sched-int.h (ds_t): Change typedef to 'int'.
963 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
965 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
967 * haifa-sched.c (try_ready): Change condition to restore
968 non-speculative pattern of the instruction.
969 (process_insn_depend_be_in_spec): Code to keep probability of the
970 speculative dependence non-decreasing.
972 2006-03-30 Jie Zhang <jie.zhang@analog.com>
974 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
975 (single_move_for_movmem): ... this. Also change all uses.
976 (bfin_expand_strmov): Renamed to...
977 (bfin_expand_movmem): ... this. Also change all uses.
978 * config/bfin/bfin.md (movstrsi): Renamed to...
981 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
983 PR tree-optimization/26830
985 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
986 (copy_prop_visit_stmt): Remove write-only variable ann.
987 (init_copy_prop): Check variable loop depth here. Do not simulate
988 memory-tag and virtual operand PHIs except for store copy prop.
990 2006-03-30 Richard Guenther <rguenther@suse.de>
992 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
993 variants with double arguments.
995 2006-03-29 David Edelsohn <edelsohn@gnu.org>
997 * genpreds.c (write_tm_constrs_h): Delete variable p.
998 * genconditions.c (write_header): Add tm-constrs.h to included
1000 * genpeep.c (main): Add toplev.h to included headers.
1001 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1002 (build/genpeep.o): Add toplev.h dependency.
1003 * config/rs6000/constraints.md: Add "W" constraint.
1005 2006-03-29 Roger Sayle <roger@eyesopen.com>
1007 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1008 sizes by correctly testing whether the size fits a host integer.
1009 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1010 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1011 SImode range for the default sizetype and bitsizetype.
1013 2006-03-29 Roger Sayle <roger@eyesopen.com>
1015 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1016 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1017 quickly if the argument is already of the correct type.
1018 Call fold_build1 instead of build1. Tidy up blank lines.
1020 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1022 * genemit.c (main): Add tm-constrs.h to included headers.
1023 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1024 * genpeep.c (main): Add tm-constrs.h to included headers.
1025 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1026 (write_tm_constrs_h): this and write complete file.
1027 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1028 (write_insn_preds_c): Add tm-constrs.h to included headers.
1029 (gen_constrs): New variable.
1030 (parse_option): Parse "-c".
1031 (main): Invoke write_tm_constrs_h.
1032 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1033 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1034 (object_out_file): Add tm-constrs.h dependency.
1035 (insn-emit.o): Same.
1036 (insn-output.o): Same.
1037 (insn-peep.o): Same.
1038 (insn-preds.o): Same.
1039 (insn-recog.o): Same.
1040 (tm-constsr.h): New target.
1041 (s-constrs-h): New target.
1043 * config/rs6000/constraints.md: New file.
1044 * config/rs6000/rs6000.c: Include tm-constrs.h.
1045 (num_insn_constant_wide): Convert to satisfies_constraint.
1046 (rs6000_rtx_costs): Convert to satisfies_constraint.
1047 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1048 (CONST_OK_FOR_LETTER_P): Delete.
1049 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1050 (EXTRA_CONSTRAINT): Delete.
1051 (EXTRA_MEMORY_CONSTRAINT): Delete.
1052 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1053 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1054 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1055 satisfies_constraint.
1057 * config/i386/i386.c: Include tm-constrs.h.
1059 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1061 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1062 * tree-data-ref.c (find_data_references_in_loop,
1063 compute_data_dependences_for_loop): Use pointers to VEC.
1064 (analyze_all_data_dependences): Adjust calls.
1065 * tree-data-ref.h (find_data_references_in_loop,
1066 compute_data_dependences_for_loop): Adjust declarations.
1067 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1068 compute_data_dependences_for_loop.
1070 2006-03-29 Paul Brook <paul@codesourcery.com>
1072 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1075 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1077 PR tree-optimization/26859
1078 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1080 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1081 for the step after fold_convert.
1083 2006-03-29 Paul Brook <paul@codesourcery.com>
1085 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1086 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1088 2006-03-29 Paul Brook <paul@codesourcery.com>
1091 * targhooks.c (default_narrow_bitfield): New fuction.
1092 * targhooks.h (default_narrow_bitfield): add prototype.
1093 * target.h (gcc_target): Add narrow_volatile_bitfield.
1094 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1095 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1096 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1097 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1099 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1101 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1103 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1104 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1105 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1106 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1107 (s390_function_arg_float): Allow SDmode and DDmode values to be
1108 passed in floating point registers.
1109 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1110 check with SCALAR_FLOAT_MODE_P.
1111 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1113 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1115 PR tree-optimization/25985
1116 * tree-ssa-loop-niter.c (number_of_iterations_le,
1117 number_of_iterations_ne): Make comments more precise.
1118 (number_of_iterations_cond): Add only_exit argument. Use the
1119 fact that signed variables do not overflow only when only_exit
1121 (loop_only_exit_p): New.
1122 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1123 number_of_iterations_cond.
1125 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1127 PR tree-optimization/26643
1128 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1131 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1133 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1134 (divsi3_i4_int): Likewise.
1136 2006-03-28 Roger Sayle <roger@eyesopen.com>
1138 * expr.c (emit_group_store): Only create a new pseudo reg if the
1139 quantity it needs to hold isn't already a suitable pseudo.
1141 2006-03-28 Jeff Law <law@redhat.com>
1143 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1144 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1146 2006-03-28 Roger Sayle <roger@eyesopen.com>
1148 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1149 the equivalent ~X & Y, and the symmetry related transformations.
1150 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1151 ~X & Y, and symmetry related transforms.
1153 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1155 Revert my 2006-03-27 patches.
1157 2006-03-28 Roger Sayle <roger@eyesopen.com>
1159 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1160 ~(T1)X, when T1 and T2 are integer types of the same precision
1161 and (T2)X isn't an extension.
1163 2006-03-28 Jeff Law <law@redhat.com>
1165 PR tree-optimization/26796
1166 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1167 need EH edge cleanups rather than purging them immediately.
1168 (eliminate_degenerate_phis): Handle queued EH cleanups.
1170 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1172 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1175 2006-03-27 Roger Sayle <roger@eyesopen.com>
1178 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1179 cast BIT_NOT_EXPR operand to the correct type.
1181 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1183 * tree-loop-linear.c: Don't include varray.h.
1184 (gather_interchange_stats, try_interchange_loops,
1185 linear_transform_loops): Use VEC instead of VARRAY.
1186 * lambda-mat.c: Don't include varray.h.
1187 * tree-chrec.c: Same.
1188 * lambda-trans.c: Same.
1189 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1190 VEC instead of VARRAY.
1191 * tree-vectorizer.h: Idem.
1192 * tree-data-ref.c (dump_data_references,
1193 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1194 initialize_data_dependence_relation, finalize_ddr_dependent,
1195 compute_all_dependences, find_data_references_in_loop,
1196 compute_data_dependences_for_loop, analyze_all_data_dependences,
1197 free_dependence_relation, free_dependence_relations,
1198 free_data_refs): Idem.
1199 * tree-data-ref.h (data_reference_p, subscript_p): New.
1200 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1201 VEC instead of VARRAY.
1202 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1203 (find_data_references_in_loop, compute_data_dependences_for_loop,
1204 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1205 dump_data_dependence_relations, free_dependence_relations,
1206 free_data_refs): Adjust declaration.
1207 (lambda_transform_legal_p): Move declaration here...
1208 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1209 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1210 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1211 vect_analyze_data_refs): Use VEC instead of VARRAY.
1212 * lambda.h (lambda_transform_legal_p): ...from here.
1213 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1214 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1215 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1216 tree-chrec.o): Don't depend on VARRAY_H.
1218 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1220 * rtl.def (Copyright): Update date.
1221 (DEPS_LIST): Change type of the second operand to 'int'.
1222 * target.h (Copyright): Update date.
1223 (struct gcc_target.speculate_insn): Change type of the second parameter
1225 * lists.c (Copyright): Update date.
1226 (alloc_DEPS_LIST): Change signature. Update reference to the second
1227 operand of the DEPS_LIST.
1228 (copy_DEPS_LIST_list): Update reference to the second operand of the
1230 * rtl.h (Copyright): Update date.
1231 (alloc_DEPS_LIST): Update signature.
1232 * sched-int.h (Copyright): Update date.
1233 (ds_t): Change typedef to 'int'.
1234 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1236 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1238 * haifa-sched.c (Copyright): Update date.
1239 (try_ready): Change condition to restore non-speculative pattern
1241 (process_insn_depend_be_in_spec): Code to keep probability of the
1242 speculative dependence non-decreasing.
1244 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1246 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1247 shut up the compiler.
1249 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1251 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1252 to use lib prefix for target.
1253 ($(T)libic_invalidate_array_4-200.a): Likewise.
1254 ($(T)libic_invalidate_array_4a.a): Likewise.
1256 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1257 J"orn Rennecke <joern.rennecke@st.com>
1259 * superh.opt: New file.
1260 * sh.c (boardtype, osruntime): Remove.
1261 * superh.h (SUBTARGET_OPTIONS): Remove.
1262 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1264 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1265 arguments with ^ and/or [].
1267 * config.gcc (sh-*-*): Add quoting to account for quirk of
1269 Replace == with = in enable_incomplete_targets test.
1271 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1272 with MASK_LITTLE_ENDIAN.
1274 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1275 * config/sh/sh.opt: Added to some comments.
1276 * config/sh/superh.h: Removed some chaff.
1278 * config/sh/sh.opt: Add m4-[1234]00* options.
1279 * config/sh/sh.c (sh_handle_option): Likewise.
1280 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1281 (ic_invalidate_array_4-100.o): New rule.
1282 ($(T)libic_invalidate_array_4-100.a): Likewise.
1283 (ic_invalidate_array_4-200.o): Likewise.
1284 ($(T)libic_invalidate_array_4-200.a): Likewise.
1285 (ic_invalidate_array_4a.o): Likewise.
1286 ($(T)libic_invalidate_array_4a.a): Likewise.
1287 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1288 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1290 * config/sh/crt1.asm: Merged in profiling code.
1291 * config/sh/superh.h (STARTFILE_SPEC): Override.
1292 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1293 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1294 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1296 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1297 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1298 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1300 * sh.opt (mpretend-cmove): New option.
1301 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1302 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1303 (movsicc): Add TARGET_PRETEND_CMOVE code.
1305 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1307 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1308 s390_class_max_nregs): New function prototypes.
1309 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1310 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1311 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1312 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1314 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1316 * dwarf2out.c (add_location_or_const_value_attribute): Call
1317 tree_add_const_value_attribute if nothing else works.
1318 (reference_to_unused): New.
1319 (rtl_for_decl_init): Use reference_to_unused to decide whether
1320 to output an initializer.
1322 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1325 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1326 peephole removing spe frob_di_df_2.
1328 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1330 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1331 (subscript_dependence_tester_1): Declared.
1332 (print_dir_vectors, print_dist_vectors): New.
1333 (debug_data_dependence_relation): New.
1334 (dump_data_dependence_relation): Print more details.
1335 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1336 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1337 (save_dist_v, save_dir_v, add_outer_distances,
1338 build_classic_dist_vector_1): New.
1339 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1340 Don't test for lambda_vector_lexico_pos.
1341 (same_access_functions, add_multivariate_self_dist,
1342 add_other_self_distances, dir_from_dist): New.
1343 (build_classic_dir_vector): Replace implementation almost identical to
1344 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1346 (subscript_dependence_tester_1): New.
1347 (subscript_dependence_tester): Handle the lexicographically negative
1348 distance vectors by recomputing the dependence relation.
1349 (compute_affine_dependence): Remove parameter loop_nest_depth.
1350 (compute_self_dependence): Don't call compute_subscript_distance.
1351 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1352 Add a parameter for the loop_nest.
1353 (find_loop_nest_1, find_loop_nest): New.
1354 (compute_data_dependences_for_loop): Compute the loop nest, and give
1355 up if the nest is not well formed.
1356 * tree-data-ref.h (loop_p): New.
1357 (struct data_dependence_relation): Replace size_vect field with
1358 loop_nest, a vec of loops.
1359 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1360 (DDR_LOOP_NEST): New.
1361 (print_dir_vectors, print_dist_vectors,
1362 debug_data_dependence_relation): Declared.
1363 (index_in_loop_nest): New.
1364 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1365 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1368 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1370 * simplify-rtx.c (simplify_relational_operation): Call
1371 simplify_relational_operation_1 even if mode is VOIDmode.
1373 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1375 PR tree-optimization/26804
1376 * tree.h (DECL_CALL_CLOBBERED): New macro.
1377 (tree_decl_common): Add call_clobbered_flag.
1378 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1379 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1380 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1381 (mark_non_addressable): Ditto.
1382 * tree-ssa.c (verify_call_clobbered): New function.
1383 (verify_alias_info): Use it.
1384 * tree-pass.h (pass_reset_cc_flags): New prototype.
1385 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1386 (reset_cc_flags): New function.
1387 * passes.c (init_optimization_passes): Call reset_cc_flags after
1388 initializing referenced_vars.
1390 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1391 Roger Sayle <roger@eyesopen.com>
1394 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1395 to 1.0 for non-real operands. Implement A / A optimization for
1398 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1400 * config/i386/i386.c (size_cost): Correct the comment for
1401 cost of storing fp registers.
1402 (i386_cost): Likewise.
1403 (i486_cost): Likewise.
1404 (pentium_cost): Likewise.
1405 (pentiumpro_cost): Likewise.
1406 (k6_cost): Likewise.
1407 (athlon_cost): Likewise.
1408 (k8_cost): Likewise.
1409 (pentium4_cost): Likewise.
1410 (nocona_cost): Likewise.
1411 (generic64_cost): Likewise.
1412 (generic32_cost): Likewise.
1414 2006-03-24 Denis Chertykov <denisc@overta.ru>
1416 * config/avr/avr-protos.h (extra_constraint): Delete.
1417 (extra_constraint_Q): New declaration.
1418 * config/avr/constraints.md: New file.
1419 * config/avr/avr.md: Include it.
1420 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1421 (TMP_REGNO, ZERO_REGNO): Likewise.
1422 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1423 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1424 (extra_constraint): Delete.
1425 (extra_constraint_Q): Test for memory constraint 'Q'.
1426 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1427 (REG_CLASS_FROM_LETTER): Delete.
1428 (CONST_OK_FOR_LETTER_P): Delete.
1429 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1430 (EXTRA_CONSTRAINT): Delete.
1431 (TMP_REGNO): Delete.
1432 (ZERO_REGNO): Delete.
1434 2006-03-24 Jeff Law <law@redhat.com>
1436 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1437 directly. Call mark_new_vars_to_rename slightly earlier.
1439 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1441 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1443 (gen_compile_unit_die): Use new language types for Objective-C and
1445 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1446 DW_LANG_C_plus_plus.
1449 * config/t-darwin (crt3.o): Work around bug 26840.
1450 * config/darwin-crt3.c: Rewrite.
1451 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1453 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1455 * doc/invoke.texi: Document -femit-class-debug-always
1456 * common.opt: Add -femit-class-debug-always.
1458 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1460 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1461 index and base register.
1462 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1463 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1464 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1465 REGNO_OK_FOR_INDEX_P.
1466 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1468 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1469 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1470 REG_OK_FOR_BASE_P): Definitions removed.
1472 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1475 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1476 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1477 set yet or weren't marked as local yet.
1479 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1481 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1484 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1486 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1487 (rs6000_legitimate_small_data_p): Delete.
1488 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1489 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1490 and make static. Add forward declaration. Update uses.
1491 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1492 of offsettable_memref_p.
1493 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1494 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1496 2006-03-24 Jeff Law <law@redhat.com>
1498 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1499 around bug in immediate-use iterator.
1501 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1504 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1505 or __LITTLE_ENDIAN__.
1507 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1509 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1510 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1511 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1512 * config/sh/sh.opt (mdiv=): Amend description.
1513 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1514 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1515 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1516 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1517 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1518 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1519 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1520 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1521 TARGET_DIVIDE_CALL_FP.
1523 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1525 * haifa-sched.c (choose_ready): Fix type of the local variable.
1526 Move local variables. Add comment.
1527 (check_reg_live): Change signature. Make callable from debugger.
1528 * sched-int.h (check_reg_live): Update signature.
1529 * sched-ebb.c (check_reg_live): Update parameters.
1530 * sched-rgn.c (check_reg_live): Ditto.
1531 (region_head_or_leaf_p): Check pointer before dereferencing.
1532 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1533 before reload on optimization levels below 1.
1535 2006-03-23 Richard Henderson <rth@redhat.com>
1537 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1541 * config/alpha/predicates.md (local_symbolic_operand): Reject
1544 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1547 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1548 expressions which have overflowed constants.
1550 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1552 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1554 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1556 * cfgloopmanip.c (create_loop_notes): Removed.
1557 * final.c (final_scan_insn): Do not handle loop notes.
1558 * jump.c (squeeze_notes): Ditto.
1559 * cfglayout.c (skip_insns_after_block,
1560 duplicate_insn_chain): Ditto.
1561 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1563 * cfgloop.h (create_loop_notes): Declaration removed.
1565 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1567 * varasm.c (output_constant_pool): Restore fnname and fndecl
1569 (assemble_start_function): Adjust call accordingly.
1570 (assemble_end_function): Likewise.
1572 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1575 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1578 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1580 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1583 * system.h (ICE_EXIT_CODE): New macro.
1584 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1585 (diagnostic_action_after_output): Likewise.
1586 * gcc.c (fatal_ice): New function.
1587 (execute): Use it instead of fatal.
1588 (fancy_abort): Likewise.
1589 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1591 2006-03-22 Jeff Law <law@redhat.com>
1593 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1594 iv_analyze_result returning false.
1596 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1598 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1600 2006-03-22 Richard Henderson <rth@redhat.com>
1603 * except.c (duplicate_eh_regions_0): New.
1604 (duplicate_eh_region_1): Duplicate the children of the node as
1605 well as the node itself. Link them up properly.
1606 (duplicate_eh_region_2): Merge into ...
1607 (duplicate_eh_regions): ... here. Take copy_region argument, and
1608 copy only a sub-tree if asked. Simplify copying and fixup.
1609 (eh_region_outer_p): New.
1610 * except.h (duplicate_eh_regions): Update decl.
1611 (eh_region_outer_p): Declare.
1612 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1613 (lower_omp_master): Likewise.
1614 (lower_omp_ordered): Likewise.
1615 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1616 (move_stmt_r): Use it to remap labels. Handle recursion vs
1617 remap_decls_p properly.
1618 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1619 (find_outermost_region_in_block): New.
1620 (new_label_mapper): New.
1621 (move_sese_region_to_fn): Copy eh information to the new function
1623 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1625 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1628 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1630 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1631 into shared libraries.
1633 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1635 * doc/md.texi: Refer to i386/constraints.md instead of
1637 * config/i386/constraints.md: New file, extracted from...
1638 * config/i386/predicates.md: ...here.
1639 * config/i386/i386.md: Include constraints.md.
1641 2006-03-21 Jason Merrill <jason@redhat.com>
1643 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1646 * expr.c (init_block_move_fn): Force default visibility.
1647 (init_block_clear_fn): Likewise.
1648 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1649 * targhooks.c (default_external_stack_protect_fail): Likewise.
1651 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1653 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1654 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1655 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1656 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1657 (loadgp): Use mips_current_loadgp_style.
1658 (loadgp_noshared): New pattern.
1659 (sibcall_internal): Use MIPS_CALL.
1660 (sibcall_value_internal): Likewise.
1661 (sibcall_value_multiple_internal): Likewise.
1662 (call_internal): Likewise.
1663 (call_value_internal): Likewise.
1664 (call_value_multiple_internal): Likewise.
1665 (call_split): Use MIPS_CALL and add an 'S' constraint.
1666 (call_value_split): Likewise.
1667 (call_value_multiple_split): Likewise.
1668 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1669 (-mshared): New option.
1670 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1671 (mips_current_loadgp_style): Declare.
1672 * config/mips/mips.c (mips_classify_symbol): Avoid using
1673 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1674 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1675 TARGET_ABSOLUTE_ABICALLS.
1676 (override_options): Adjust comments. Improve the warning that is
1677 issued when -mabicalls and -G are used together.
1678 (mips_file_start): Remove comment.
1679 (mips_current_loadgp_style): New function.
1680 (mips_gnu_local_gp): New variable.
1681 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1683 (mips_output_function_prologue): Use mips_current_laodgp_style.
1684 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1685 the cprestore instruction.
1686 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1687 live for TARGET_ABSOLUTE_ABICALLS.
1688 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1689 (ASM_SPEC): Pass down -mshared and -mno-shared.
1690 (MIPS_CALL): New macro.
1691 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1693 * doc/invoke.texi (-mabicalls): Update documentation.
1694 (-mshared): Document.
1696 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1698 * config/ia64/unwind-hpux.c: New file.
1699 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1701 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1704 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1706 2006-03-21 Jeff Law <law@redhat.com>
1708 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1709 type conversions of a VR_VARYING source to a wider type.
1711 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1713 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1714 tm_file on Solaris 10 and later.
1715 (sparc64-*-solaris2*): Likewise.
1716 (sparc-*-solaris2*): Likewise.
1717 * config/sol26.h: Rename to config/sol2-6.h.
1718 * config/sol2-10.h: New file.
1720 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1723 * tree-ssa-pre.c (create_component_ref_by_pieces):
1726 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1729 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1730 return it immediately.
1732 2006-03-21 Michael Matz <matz@suse.de>
1734 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1736 (remove_arc, add_arc): Update num_out_arcs member.
1737 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1739 (cache_presence): New function.
1740 (compare_states_for_equiv): New function.
1741 (state_is_differed): Don't take number of outargs, adjust callers.
1742 Use new invariant for speeding up.
1743 (init_equiv_class): Create initial classes based on sorted
1745 (partition_equiv_class): Don't track out_arcs_num.
1746 (evaluate_equiv_classes): Call cache_presence on all states and
1749 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1751 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1752 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1753 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1754 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1756 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1757 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1758 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1759 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1760 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1762 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1763 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1764 (REGNO_REG_CLASS): ARGP is in PREGS.
1765 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1767 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1768 to deal with those addresses.
1769 * addresses.h: New file.
1770 * caller-save.c: Include "addresses.h".
1771 (init_caller_save): Use new base_reg_class function.
1772 * rtl-factoring.c: Include "addresses.h".
1773 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1774 * recog.c: Include "addresses.h".
1775 (preprocess_constraints): Use new base_reg_class function.
1776 * regrename.c: Include "addresses.h".
1777 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1778 functions. Keep track of a new var INDEX_CODE to compute valid
1780 (replace_oldest_value_addr): Likewise.
1781 (replace_oldest_value_mem): Use base_reg_class.
1782 * reload.c: Include "addresses.h".
1783 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1784 (find_reloads): Use new base_reg_class function.
1785 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1786 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1787 all callers and prototype changed.
1788 * reload1.c: Include "addresses.h".
1789 (maybe_fix_stack_asms): Use base_reg_class.
1790 * regclass.c: Include "addresses.h".
1791 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1792 (init_reg_autoinc): Use new base_reg_class function.
1793 (record_reg_classes): Likewise.
1794 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1795 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1796 Use new args to compute necessary class.
1798 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1799 regrename.o, rtl-factoring.o): Update dependencies.
1800 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1801 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1802 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1803 REG_OK_FOR_INDEX_P): Delete documentation.
1805 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1807 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1808 from V7 to V9 for Solaris 7 and above.
1810 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1812 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1813 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1814 argument pointers may not alias any other storage.
1815 * common.opt: Define option -fargument-noalias-anything.
1816 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1817 alias semantics is specified by flag_argument_noalias > 2.
1819 2006-03-20 Jeff Law <law@redhat.com>
1821 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1822 (pass_phi_only_cprop): Declare.
1823 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1825 * tree-ssa-dom.c (degenerate_phi_result): New function.
1826 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1827 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1828 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1829 (eliminate_degenerate_phis): Likewise.
1830 (pass_phi_only_cprop): New pass descriptor.
1831 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1832 support code. Callers updated.
1833 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1834 (store_copy_prop): Likewise.
1835 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1837 2006-03-20 Jason Merrill <jason@redhat.com>
1840 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1841 (push_visibility, pop_visibility): Likewise.
1842 * c-pragma.h: Declare them.
1844 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1846 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1848 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1849 parameter and use get_ebb_head_tail.
1850 (sh_md_init_global): Adjust uses of find_regmode_weight.
1852 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1854 * function.h (struct function) <x_tail_recursion_reentry>:
1855 Rename to x_stack_check_probe_note.
1856 (tail_recursion_reentry): Rename to stack_check_probe_note.
1857 * function.c: Replace tail_recursion_reentry with
1858 stack_check_probe_note everywhere.
1859 (expand_function_start): Only emit a note for
1860 stack_check_probe_note with -fstack-protect.
1861 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1863 * emit-rtl.c (remove_unnecessary_notes): Remove.
1864 (pass_remove_unnecessary_notes): Remove.
1865 * rtl.h (remove_unnecessary_notes): Remove prototype.
1866 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1867 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1868 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1870 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1873 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1874 (valid_in_set): Handle ARRAY_REF.
1875 Change "if min_variant or VH" to asserts.
1876 (create_component_ref_by_pieces): Handle ARRAY_REF.
1877 (create_expression_by_pieces): Likewise.
1878 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1880 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1882 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1883 is operand of switch, not str[0].
1885 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1887 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1888 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1890 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1892 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1893 end of insn_extra_address_constraint declaration.
1895 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1897 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1898 (no-sum-in-toc): Same.
1899 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1901 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1902 NO_FP_IN_TOC for -fPIC instead of mask.
1904 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1905 (BOOT_LDFLAGS): Delete.
1907 * config/rs6000/t-aix52: Same.
1909 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1910 (stmsi[345678]_power): New.
1912 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1914 * config/ia64/ia64.opt: Add empty line to end of file.
1916 2006-03-17 Richard Guenther <rguenther@suse.de>
1919 * builtins.c (get_pointer_alignment): For component style references
1920 adjust alignment to the component type alignment. Make sure
1921 to adjust alignment for component access of constants.
1923 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1925 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1928 2006-03-17 Paul Brook <paul@codesourcery.com>
1930 * doc/install.texi: Docuemnt --with-mode.
1931 * config.gcc: Add --with-mode for arm*-*-*.
1932 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1934 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1936 * sh.c (max_labelno_before_reorg): New variable.
1937 (sh_reorg): Initialize it.
1938 (find_barrier): Check max_labelno_before_reorg before using
1939 label_to_alignment. Take length of explicit alignment insns
1940 into account. When seeing a UNSPECV_CONST_END, return it.
1942 * sh.c (fixup_mova): Set mode of affected label to QImode.
1943 (untangle_mova): New function.
1944 (find_barrier): Use it. Check mode of label before decrementing
1946 (sh_reorg): Likewise.
1947 Set mode of all insns back to VOIDmode.
1949 * sh.c (MOVA_LABELREF): New macro.
1950 (mova_p, fixup_mova, sh_reorg): Use it.
1951 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1952 ADDR_DIFF_VEC matches mova.
1954 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1956 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1957 with ATTRIBUTE_UNUSED.
1959 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1961 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1962 pointer, instead of assuming it is possible to derive the
1963 correct args size from a call insn.
1965 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1967 * rtl.h (CONST_INT_P): Define.
1968 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1969 instead of GET_CODE(x) == CONST_INT.
1970 (vax_rtx_costs): Likewise.
1971 (vax_output_int_move): Likewise.
1972 (vax_output_int_add): Likewise.
1973 (legitimate_constant_address_p): Likewise.
1974 (index_term_p): Likewise.
1975 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1976 * config/vax/vax.md (and<mode>3): Likewise.
1977 (ashrsi3): Likewise.
1979 (movstricthi): Likewise.
1980 (movstrictqi): Likewise.
1981 (rotrsi3): Likewise.
1982 (five unnamed insns): Likewise.
1984 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1986 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1987 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1988 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1989 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1990 Pass to ASM_OUTPUT_DWARF_OFFSET.
1991 * dwarf2out.c (debug_frame_section): New.
1992 (output_call_frame_info): Use debug_frame_section. Pass it to
1993 dw2_asm_output_offset.
1994 (output_die): Pass appropriate section to dw2_asm_output_offset.
1995 (output_compilation_unit_header): Likewise.
1996 (output_pubnames): Likewise.
1997 (output_aranges): Likewise.
1998 (enum dw_val_class): Break dw_val_class_lbl_offset into
1999 dw_val_class_lineptr and dw_val_class_macptr.
2000 (add_AT_lbl_offset): Delete.
2001 (add_AT_lineptr): New.
2002 (add_AT_macptr): New.
2003 (AT_lbl): Expect a lineptr or macptr.
2004 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2005 (attr_checksum): Likewise.
2006 (same_dw_val_p): Likewise.
2007 (size_of_die): Likewise.
2008 (value_format): Likewise.
2009 (output_die): Likewise.
2010 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2012 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2013 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2014 * config/darwin-protos.h (darwin_file_start): New.
2015 (darwin_asm_output_dwarf_offset): New.
2016 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2017 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2019 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2020 if not EH section; simplify.
2021 (darwin_file_start): New.
2022 (darwin_asm_output_dwarf_offset): New.
2023 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2025 (DEBUG_INFO_SECTION): Likewise.
2026 (DEBUG_ABBREV_SECTION): Likewise.
2027 (DEBUG_ARANGES_SECTION): Likewise.
2028 (DEBUG_MACINFO_SECTION): Likewise.
2029 (DEBUG_LINE_SECTION): Likewise.
2030 (DEBUG_LOC_SECTION): Likewise.
2031 (DEBUG_PUBNAMES_SECTION): Likewise.
2032 (DEBUG_STR_SECTION): Likewise.
2033 (DEBUG_RANGES_SECTION): Likewise.
2034 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2035 (ASM_OUTPUT_DWARF_OFFSET): New.
2037 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2039 * config.gcc (tm_defines): Always add to previous value rather
2042 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2044 * config/mips/predicates.md (splittable_const_int_operand): New,
2045 split from move_operand.
2046 (splittable_symbolic_operand): New.
2047 (move_operand): Add commentary. Use splittable_const_int_operand.
2048 Inline mips_atomic_symbolic_constant_p.
2049 * config/mips/mips.md: Add combine splitters for handling moves
2050 of splittable_const_int_operands and splittable_symbolic_operands.
2051 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2052 (mips_split_symbol): Declare.
2053 (mips_move_integer): Declare.
2054 * config/mips/mips.c (mips_split_p): Make global.
2055 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2056 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2057 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2058 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2059 (mips_offset_within_object_p): Handle block symbols.
2060 (mips_atomic_symbolic_constant_p): Delete.
2061 (mips_cannot_force_const_mem): Return false for constants that
2062 mips_legitimize_move can handle.
2063 (mips_use_blocks_for_constant_p): New function.
2064 (mips_split_symbol): Make global.
2065 (mips_move_integer): Likewise. Add a temporary register argument.
2066 (mips_legitimize_const_move): Use splittable_const_int_operand and
2067 splittable_symbolic_operand.
2068 (mips_use_anchors_for_symbol_p): New function.
2069 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2070 (mips_split_p): Declare.
2072 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2074 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2075 (mips*-*-linux*): Likewise.
2077 2006-03-16 Roger Sayle <roger@eyesopen.com>
2078 Daniel Speyer <dspeyer@wam.umd.edu>
2081 * tree-dump.c (dump_real): New function.
2082 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2083 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2084 (tree-dump.o): Add $(REAL_H) to the dependencies.
2086 2006-03-16 Roger Sayle <roger@eyesopen.com>
2089 * real.c (real_from_string): If the mantissa is zero, don't bother
2090 parsing the exponent as the result should always be zero.
2092 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2094 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2096 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2098 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2099 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2100 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2101 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2102 ia64_sched_finish_global): New static functions to implement
2103 hooks from gcc_target.sched.
2104 (spec_check_no, max_uid, pending_data_specs): New static variables.
2105 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2106 ia64_spec_check_src_p): New static functions.
2107 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2108 (TARGET_SCHED_ADJUST_COST): Removed.
2109 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2110 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2111 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2112 TARGET_SCHED_GEN_CHECK,
2113 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2114 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2115 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2116 Fixed to handle speculation checks.
2117 (rtx_needs_barrier): Fixed to handle speculative loads and
2119 (ia64_variable_issue): Added code to count speculative loads and their
2121 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2123 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2125 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2127 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2128 (ia64_reorg): Reset stops_p to NULL after it is freed.
2129 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2130 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2131 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2133 (data_speculative, control_speculative, check_load): New attributes.
2134 (mov<mode>_advanced, mov<mode>_speculative,
2135 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2136 zero_extend<mode>di2_speculative,
2137 zero_extend<mode>di2_speculative_advanced): New patterns for
2138 data and control speculative loads.
2139 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2141 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2142 New pattern for data and control speculation checks.
2143 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2144 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2145 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2146 Auxiliary definitions for the patterns.
2147 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2148 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2150 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2152 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2153 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2154 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2155 New resource constraints.
2156 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2158 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2159 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2160 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2161 msched-in-control-spec, msched-ldc, msched-control-ldc,
2162 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2163 msched-prefer-non-control-spec-insns,
2164 msched-count-spec-in-critical-path): New flags to tune speculative
2166 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2167 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2168 msched-in-control-spec, msched-ldc, msched-control-ldc,
2169 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2170 msched-prefer-non-control-spec-insns,
2171 msched-count-spec-in-critical-path): Document new flags.
2173 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2175 * target.h (struct spec_info_def): New opaque declaration.
2176 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2177 speculate_insn, needs_block_p, gen_check,
2178 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2179 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2180 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2181 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2182 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2183 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2185 (TARGET_SCHED): Use new macros.
2186 * rtl.h (copy_DEPS_LIST_list): New prototype.
2187 * sched-int.h (struct sched_info): Change signature of new_ready field,
2188 adjust all initializations. New fields: add_remove_insn,
2189 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2190 region_head_or_leaf_p.
2191 (struct spec_info_def): New structure declaration.
2192 (spec_info_t): New typedef.
2193 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2194 recovery_block, orig_pat.
2195 (glat_start, glat_end): New variables declaraions.
2196 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2198 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2199 DETACH_LIFE_INFO, USE_GLAT.
2200 (enum SPEC_SCHED_FLAGS): New enumeration.
2201 (NOTE_NOTE_BB_P): New macro.
2202 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2203 attach_life_info, debug_spec_status, check_reg_live): New functions.
2204 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2205 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2207 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2208 * ddg.c (get_block_head_tail): Adjust all uses.
2209 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2210 (sms_sched_info): Initialize new fields.
2211 (contributes_to_priority): Removed.
2212 * haifa-sched.c (params.h): New include.
2213 (get_block_head_tail): Adjust all uses.
2214 (ISSUE_POINTS): New macro.
2215 (glat_start, glat_end): New global variables.
2216 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2217 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2218 old_last_basic_block, before_recovery, current_sched_info_var,
2219 rgn_n_insns, luid): New static variables.
2220 (insn_cost1): New function. Move logic from insn_cost to here.
2221 (find_insn_reg_weight1): New function. Move logic from
2222 find_insn_reg_weight to here.
2223 (reemit_notes, move_insn, max_issue): Change signature.
2224 (move_insn1): Removed.
2225 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2226 extend_bb): New static functions to support extension of scheduler's
2228 (generate_recovery_code, process_insn_depend_be_in_spec,
2229 begin_speculative_block, add_to_speculative_block,
2230 init_before_recovery, create_recovery_block, create_check_block_twin,
2231 fix_recovery_deps): New static functions to support
2232 generation of recovery code.
2233 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2234 restore_bb_notes, move_block_after_check, move_succs): New static
2235 functions to support ebb scheduling.
2236 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2237 functions to support handling of register live information.
2238 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2239 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2240 add_jump_dependencies): New static functions.
2241 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2242 consistancy checking.
2243 (debug_spec_status): New function to call from debugger.
2244 (priority): Added code to handle speculation checks.
2245 (rank_for_schedule): Added code to distinguish speculative instructions.
2246 (schedule_insn): Added code to handle speculation checks.
2247 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2248 Fixed to handle ebbs.
2249 (move_insn): Added code to handle ebb scheduling.
2250 (max_issue): Added code to use ISSUE_POINTS of instructions.
2251 (choose_ready): Added code to choose between speculative and
2252 non-speculative instructions.
2253 (schedule_block): Added code to handle ebb scheduling and scheduling of
2254 speculative instructions.
2255 (sched_init): Initialize new variables.
2256 (sched_finish): Free new variables. Print statistics.
2257 (try_ready): Added code to handle speculative instructions.
2258 * lists.c (copy_DEPS_LIST_list): New function.
2259 * sched-deps.c (extend_dependency_caches): New function. Move logic
2260 from create_dependency_caches to here.
2261 (get_dep_weak, ds_merge): Make global.
2262 * genattr.c (main): Code to output prototype for
2263 dfa_clear_single_insn_cache.
2264 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2265 (output_dfa_clean_insn_cache_func): Code to output
2266 dfa_clear_single_insn_cache function.
2267 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2269 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2271 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2272 New static variables.
2273 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2274 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2276 (ebb_sched_info): Initialize new fields.
2277 (get_block_head_tail): Adjust all uses.
2278 (compute_jump_reg_dependencies): Fixed to use glat_start.
2279 (schedule_ebb): Code to remove unreachable last block.
2280 (schedule_ebbs): Added code to update register live information.
2281 * sched-rgn.c (region_sched_info): Initialize new fields.
2282 (get_block_head_tail): Adjust all uses.
2283 (last_was_jump): Removed. Adjust users.
2284 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2285 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2286 Implement new hooks.
2287 (check_dead_notes1): New static function.
2288 (struct region): New fields: dont_calc_deps, has_real_ebb.
2289 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2290 (BB_TO_BLOCK): Fixed to handle EBBs.
2291 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2292 (ebb_head): New static variable.
2293 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2294 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2296 (compute_dom_prob_ps): New assertion.
2297 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2298 global_live_at_start.
2299 (init_ready_list): New assertions.
2300 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2301 (new_ready): Add support for BEGIN_CONTROL speculation.
2302 (schedule_insns): Fixed code that updates register live information
2304 (schedule_region): Fixed to handle EBBs.
2305 (init_regions): Use extend_regions and check_dead_notes1.
2306 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2307 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2308 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2309 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2310 TARGET_SCHED_GEN_CHECK,
2311 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2312 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2313 * doc/invoke.texi (max-sched-insn-conflict-delay,
2314 sched-spec-prob-cutoff): Document.
2316 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2318 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2319 inter_tick, queue_index.
2320 (struct sched_info): Change signature of init_ready_list field.
2321 Adjust all initializations.
2322 (RESOLVED_DEPS): New access macro.
2323 (ready_add): Remove prototype.
2324 (try_ready): Add prototype.
2325 * sched-rgn.c (init_ready_list): Use try_ready.
2326 (schedule_region): Initialize
2327 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2328 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2329 (init_ready_list): Use try_ready.
2330 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2331 * lists.c (remove_list_elem): Remove `static'.
2332 (remove_free_INSN_LIST_elem): New function.
2333 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2334 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2335 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2337 (readyp): New variable.
2338 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2339 change_queue_index, resolve_dep): New static functions.
2340 (try_ready): New function. Adjust callers in sched-rgn.c and
2341 sched-ebb.c to use it instead of ready_add.
2342 (clock_var): Move at the begining of file.
2343 (rank_for_schedule): Fix typo.
2344 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2345 (ready_lastpos): Enforce assertion.
2346 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2348 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2349 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2350 (queue_to_ready): Use free_INSN_LIST_list.
2351 (early_queue_to_ready): Fix typo.
2352 (schedule_block): Init readyp. Move init_ready_list call after the
2353 initialization of clock_var. Fix error in rejecting insn by
2354 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2355 that previously corrected INSN_TICKs. Add code for handling
2357 (set_priorities): Fix typo.
2358 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2359 Clarify comment and code that keeps current_sched_info->next_tail
2362 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2364 * sched-rgn.c (extend_rgns): New static function.
2365 (find_rgns): Use it.
2366 (gather_region_statistics, print_region_statistics): New static
2368 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2369 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2371 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2372 Andrey Belevantsev <abel@ispras.ru>
2374 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2375 * lists.c (unused_deps_list): New variable.
2376 (free_list): Add assertions to verify the proper distinguishing
2377 between INSN_LISTs and DEPS_LISTs.
2378 (find_list_elem, remove_list_elem, remove_list_node): New static
2380 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2381 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2382 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2383 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2385 (free_INSN_LIST_node): Likewise.
2386 * modulo-sched.c (current_sched_info): Initialize flags field.
2387 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2388 * rtl.def (DEPS_LIST): Define.
2389 * rtl.h: Declare new functions from lists.c.
2390 * sched-deps.c (spec_dependency_cache): New static variable.
2391 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2392 (add_dependence): Change return type to void. Move the logic to ...
2393 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2394 (delete_all_dependences): Add comment about forward_dependency_cache.
2395 Handle spec_dependency_cache. Handle DEPS_LISTs.
2396 (fixup_sched_groups): Clarify the change of priority of output
2397 and anti dependencies.
2398 (sched_analyze_2): Adjust add_dependence calls to create data
2399 speculative dependence.
2400 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2401 Adjust all callers. Handle DEPS_LISTS.
2402 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2403 presence of speculation.
2404 (init_dependency_caches, free_dependency_caches):
2405 Handle spec_dependency_cache.
2406 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2407 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2408 New static functions.
2409 (add_or_update_back_dep, add_or_update_back_forw_dep,
2410 add_back_forw_dep, delete_back_forw_dep): New functions.
2411 * sched-int.h (ds_t, dw_t): New typedefs.
2412 (struct sched_info): Add new field flags.
2413 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2414 Prototype new sched-deps.c functions.
2415 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2416 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2417 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2418 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2419 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2420 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2422 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2424 * sched-rgn.c (current_sched_info): Initialize flags field.
2425 (schedule_insns): Initialize current_sched_info before the sched_init
2427 * sched-ebb.c (current_sched_info): Initialize flags field.
2428 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2429 Call add_or_update_back_dep instead of add_dependence.
2430 Create control speculative dependencies.
2431 (schedule_insns): Initialize current_sched_info before the sched_init
2434 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2436 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2438 (sh_fallback_frame_state): Likewise.
2440 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2442 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2443 Do switch on default_use_cxa_atexit.
2444 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2445 * config/darwin-crt3.o: New.
2446 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2447 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2448 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2450 * config/rs6000/t-darwin: Move crt2.o building to here.
2451 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2452 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2455 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2457 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2458 from '! xxx' to '!xxx' for coding-style conformance.
2459 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2460 (EXTRA_CONSTRAINT): Likewise.
2461 * config/vax/vax.md (four unnamed insns): Likewise.
2463 2006-03-15 Paul Brook <paul@codesourcery.com>
2465 * config/arm/arm.c (minipool_pad): New.
2466 (add_minipool_forward_ref): Include pool alignment padding in address
2468 (push_minipool_fix): Set minipool_pad.
2469 (minipool_pad): Ditto.
2471 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2473 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2474 instead of GET_CODE() == MEM and REG_P() instead of
2476 (print_operand_address): Likewise.
2477 (vax_address_cost): Likewise.
2478 (vax_rtx_costs): Likewise.
2479 (vax_notice_update_cc): Likewise.
2480 (vax_output_int_add): Likewise.
2481 (INDEX_REGISTER_P): Likewise.
2482 (BASE_REGISTER_P): Likewise.
2483 (nonindexed_address_p): Likewise.
2484 (vax_mode_dependent_address_p): Likewise.
2485 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2486 (PRINT_OPERAND): Likewise.
2487 * config/vax/vax.md (ashlsi3): Likewise.
2488 (ashlsi3): Likewise.
2489 (some more unnamed insns): Likewise.
2491 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2493 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2494 iterator-style macro.
2495 (mark_control_dependent_edges_necessary): Update the use of
2496 EXECUTE_IF_CONTROL_DEPENDENT.
2498 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2500 * config/sh/predicates.md (cache_address_operand): Special.
2501 (ua_address_operand): Likewise.
2503 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2505 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2507 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2509 2006-03-15 Andreas Schwab <schwab@suse.de>
2511 * gensupport.c (identify_predicable_attribute): Don't free p_false
2512 when it is still in use.
2514 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2516 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2517 the default setting here.
2519 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2521 * tree-pass.h (pass_cfg): Remove.
2522 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2523 * passes.c (pass_cfg): Don't run it.
2525 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2527 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2528 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2530 (stack_regs_mentioned): Update the uses of
2531 stack_regs_mentioned_data. Don't access the array beyond its
2533 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2534 Don't include gt-reg-stack.h.
2536 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2537 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2539 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2542 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2545 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2547 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2549 2006-03-14 Richard Guenther <rguenther@suse.de>
2551 PR tree-optimization/26672
2552 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2555 2006-03-14 Richard Guenther <rguenther@suse.de>
2557 PR tree-optimization/26667
2558 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2559 node for the callees. Always allow inlining if it will shrink
2562 2006-03-14 Richard Guenther <rguenther@suse.de>
2565 * builtins.c (get_pointer_alignment): Prefer alignment
2566 information from decls over that from types.
2568 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2571 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2573 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2575 * config/rs6000/rs6000.opt (mdlmzb): New option.
2576 (msched-prolog, msched-epilog): Use Var not Mask.
2577 * doc/invoke.texi (-mdlmzb): Document.
2578 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2580 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2581 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2583 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2585 PR rtl-optimization/25739
2586 * bt-load.c (augment_live_range): Free tos pointer.
2588 * gensupport.c (identify_predicable_attribute): Free
2590 * gcov.c (create_file_names): Free name pointer.
2592 2006-03-13 Roger Sayle <roger@eyesopen.com>
2595 * stmt.c (emit_case_nodes): Handle the case where the index is a
2596 CONST_INT, where the comparison mode is specified by the index type.
2598 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2600 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2603 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2605 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2606 (*branch_fp_inverted): Likewise.
2608 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2611 * omp-low.c (expand_omp_for_generic): Mark istart0
2612 and iend0 as addressable.
2614 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2616 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2618 2006-03-13 Jeff Law <law@redhat.com>
2620 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2621 virtual operands are interesting.
2622 (vrp_visit_stmt): Corresponding changes.
2624 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2626 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2628 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2629 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2630 * config/bfin/crti.S: Use it instead of __PIC__.
2631 * config/bfin/crtn.S: Likewise.
2633 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2634 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2636 Lose 'G' modifier for call operand.
2637 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2638 recognize 'G' modifier.
2640 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2643 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2644 * stmt.c (expand_case): Likewise.
2646 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2648 PR rtl-optimization/26254
2649 * loop-invariant.c (seq_insns_valid_p): New function.
2650 (move_invariant_reg): Only emit new code if it is valid.
2652 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2654 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2656 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2657 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2658 (commit_one_edge_insertion): Do not look for loop notes.
2660 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2662 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2663 flag_test_coverage out of loop.
2665 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2667 * final.c (shorten_branches): Remove outdated comment, and turn
2668 the if branch that guards it to continue.
2670 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2672 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2673 * cfgloop.h (struct loop): Remove unused fields.
2675 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2677 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2678 (-dL, -fdump-rtl-loop2): Update the dump file names
2680 * doc/invoke.texi: Update dump file names.
2682 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2684 * predict.c (estimate_probability): Remove.
2685 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2686 * basic-block.h (estimate_probability): Remove prototype.
2687 * passes.c (finish_optimization_passes): Dump branch prediction or
2688 profiling heuristics to the .profile tree dump.
2689 (init_optimization_passes): Unqueue pass_branch_prob.
2691 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2693 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2695 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2696 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2698 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2700 * function.h (frame_offset_overflow): Declare.
2701 * function.c (frame_offset_overflow): New function.
2702 (assign_stack_local_1): Call it to detect that the offset overflows.
2703 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2705 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2707 * config/sh/sh.c: Include alloc-pool.h.
2708 (label_ref_list_pool): New alloc pool.
2709 (label_ref_list_t): New type for lists of labels.
2710 (struct pool_node): Make wend a label_ref_list_t.
2711 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2713 (dump_table): Likewise.
2714 (sh_reorg): Set up the alloc pool before using add_constant and
2715 dump_table, and destroy it when finishing.
2717 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2719 * config/mips/mips.c: Remove redundant comment.
2721 2006-03-10 Jason Merrill <jason@redhat.com>
2724 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2725 the target was declared 'register'.
2727 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2729 * genpreds.c (write_insn_constraint_len): Change definition of
2730 insn_constraint_len to return size_t to match the declaration.
2732 2006-03-10 DJ Delorie <dj@redhat.com>
2734 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2736 (m32c_expand_insv): Fix test for an AND mask.
2738 2006-03-10 Richard Guenther <rguenther@suse.de>
2741 * builtins.c (get_pointer_alignment): Handle component
2742 references for field alignment.
2744 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2746 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2747 when building with libgloss.
2748 (sh*elf): Implement --without-fp option.
2749 (sh64-superh-linux*): Don't multilib.
2751 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2753 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2755 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2757 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2758 Set it when one of the replacement functions returned true.
2759 Return TODO_cleanup_cfg if cfgchanged is true.
2760 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2762 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2764 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2765 instead of gen_lowpart.
2767 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2769 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2771 (mips_output_order_conditional_branch): Declare.
2772 * config/mips/mips.h (MIPS_BRANCH): New macro.
2773 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2774 for the comparison. Use gen_condjump.
2775 (mips_output_conditional_branch): Rework interface to take the
2776 asm templates for a direct branch and the inverse of a direct branch.
2777 (mips_output_order_conditional_branch): New function.
2778 (mips_builtin_branch_and_move): New function.
2779 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2780 branch condition. Use gen_single_cc as the condition for
2781 __builtin_mips_upper_* or __builtin_mips_lower_*.
2782 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2783 Use VOIDmode for the branch condition.
2784 * config/mips/predicates.md (order_operator): New predicate.
2785 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2786 (branch_fp): Rename to...
2787 (*branch_fp): ...this. Remove mode from comparison operator.
2788 Use new mips_output_conditional_branch interface.
2789 (branch_fp_inverted): Rename to...
2790 (*branch_fp_inverted): ...this and update as for *branch_fp.
2791 (*branch_zero<mode>): Rename to...
2792 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2793 Use mips_output_order_conditional_branch. Only accept ordered
2795 (*branch_zero<mode>_inverted): Rename to...
2796 (*branch_order<mode>_inverted): ...this and update as for
2797 *branch_order<mode>.
2798 (*branch_equality<mode>): Accept zero as the second operand to
2799 the equality operator. Use the new mips_output_conditional_branch
2801 (*branch_equality<mode>_inverted): Likewise.
2802 (condjump): New expander.
2803 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2805 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2806 (bc1any2t, bc1any2f): Likewise.
2807 (single_cc): New expander.
2808 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2810 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2812 * doc/md.texi: Update documentation of MIPS constraints.
2813 * config/mips/constraints.md: New file.
2814 * config/mips/mips.md: Include it.
2815 * config/mips/mips.c (mips_char_to_class): Delete.
2816 (override_options): Don't initialize mips_char_to_class.
2817 * config/mips/mips.h (mips_char_to_class): Delete.
2818 (REG_CLASS_FROM_LETTER): Delete.
2819 (CONST_OK_FOR_LETTER_P): Delete.
2820 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2821 (EXTRA_CONSTRAINT_Y): Delete.
2822 (EXTRA_CONSTRAINT_STR): Delete.
2823 (CONSTRAINT_LEN): Delete.
2824 (EXTRA_MEMORY_CONSTRAINT): Delete.
2826 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2828 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2829 original fn's eh regions.
2831 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2833 * fold-const.c (build_range_check): Make sure to use a valid type to
2834 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2837 (range_predecessor): New static function.
2838 (range_successor): Likewise.
2839 (merge_ranges): Use them to compute predecessors and successors of
2842 2006-03-09 Roger Sayle <roger@eyesopen.com>
2845 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2846 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2848 2006-03-08 DJ Delorie <dj@redhat.com>
2850 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2851 (addpsi3): Expand to include memory operands. Remove
2852 reload-specific splits.
2853 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2854 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2855 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2856 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2857 (shift1_qi, shift1_hi, insv): New.
2858 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2859 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2860 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2862 * config/m32c/m32c-protos.h: Update as needed.
2863 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2864 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2865 Fail for unrecognized R* constraints.
2866 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2867 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2868 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2870 (m32c_init_libfuncs): New.
2871 (m32c_legitimate_address_p): Add debug wrapper.
2872 (m32c_rtx_costs): New.
2873 (m32c_address_cost): New.
2874 (conversions): Add 'B' prefix.
2875 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2876 operands, or word regnames for QI operands. 'B' prints bit
2878 (m32c_expand_setmemhi): New.
2879 (m32c_expand_movmemhi): New.
2880 (m32c_expand_movstr): New.
2881 (m32c_expand_cmpstr): New.
2882 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2883 (m32c_expand_neg_mulpsi3): Handle non-ints.
2884 (m32c_cmp_flg_0): New.
2885 (m32c_expand_movcc): New.
2886 (m32c_expand_insv): New.
2887 (m32c_scc_pattern): New.
2888 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2889 a0/a1 out of SIregs.
2890 (STORE_FLAG_VALUE): New.
2891 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2894 * config/m32c/mov.md: Make constraints more liberal.
2895 (zero_extendqihi2): Optimize r0/r1 case.
2896 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2897 * config/m32c/predicates.md (m32c_any_operand): New.
2898 (m32c_nonimmediate_operand): New.
2899 (m32c_hl_operand): New.
2900 (m32c_r3_operand): New.
2903 (memsym_operand): New.
2904 (memimmed_operand): New.
2905 (a_qi_operand): New.
2906 (m32c_eqne_operator): New.
2907 (m32c_1bit8_operand): New.
2908 (m32c_1bit16_operand): New.
2909 (m32c_1mask8_operand): New.
2910 (m32c_1mask16_operand): New.
2911 * config/m32c/blkmov.md: New file.
2912 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2914 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2916 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2917 unsigned to fix signed/unsigned comparison issue in
2918 DWARF2_FRAME_REG_OUT.
2919 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2920 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2922 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2923 of ptr into the ENABLE_CHECKING section.
2925 2006-03-08 Jeff Law <law@redhat.com>
2927 * tree-vrp.c (infer_value_range): Only count pointer uses
2928 and dereferences if -fdelete-null-pointer-checks is enabled.
2930 * tree-vrp.c (find_assert_locations): Infer value ranges for
2931 single use pointers, but do not create ASSERT_EXPRs for them.
2932 When a non-null range is inferred for a pointer, backwards
2933 propagate that range to other equivalent pointers through the
2936 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2939 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2940 language hook targets.
2941 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2942 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2943 if language hook targets were missing.
2945 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2947 * tree-ssa-opfinalize.h: Removed.
2948 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2950 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2951 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2952 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2953 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2954 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2955 finalize_ssa_v_must_def_ops): New.
2957 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2959 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2962 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2964 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2966 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2967 addresses with offsets; reorganize.
2969 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2970 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2971 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2973 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2976 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2978 2006-03-08 Ben Elliston <bje@au.ibm.com>
2980 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2982 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2985 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2988 2006-03-07 Richard Guenther <rguenther@suse.de>
2990 PR tree-optimization/26587
2991 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2993 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2995 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2997 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2999 * hooks.c (hook_bool_mode_rtx_true): New function.
3000 * hooks.h (hook_bool_mode_rtx_true): Declare.
3001 * toplev.c (compile_file): Call output_shared_constant_pool.
3002 * varasm.c (shared_constant_pool): New variable.
3003 (assemble_start_function, assemble_end_function): Remove arguments
3004 from call to output_constant_pool.
3005 (create_constant_pool): New function, split out from...
3006 (init_varasm_status): ...here.
3007 (force_const_mem): Choose between the shared and per-function constant
3008 pools. Set current_function_uses_const_pool when reusing old entries
3009 as well as when creating new ones.
3010 (mark_constant): Ignore data argument.
3011 (mark_constants): Remove pool argument.
3012 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3013 to decide whether the function uses a constant pool.
3014 (output_constant_pool_contents): New function, split out from...
3015 (output_constant_pool): ...here.
3016 (output_shared_constant_pool): New function.
3017 (init_varasm_once): Initialize shared_constant_pool.
3018 * output.h (output_constant_pool): Delete.
3019 (output_shared_constant_pool): Declare.
3020 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3021 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3023 2006-03-06 Nick Clifton <nickc@redhat.com>
3025 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3026 flag_strength_reduce.
3028 2006-03-06 Ben Elliston <bje@au.ibm.com>
3030 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3031 x86_64-*-linux* configurations.
3033 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3034 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3036 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3038 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3040 * basic-block.h: Remove the extern for
3041 rediscover_loops_after_threading.
3043 * cfgloop.c (cancel_loop): Make it static.
3044 * cfgloop.h: Remove the prototype for cancel_loop.
3046 * flow.c (recompute_reg_usage): Make it static.
3047 * rtl.h: Remove the prototype for recompute_reg_usage.
3049 * function.c (use_return_register): Make it static.
3050 * function.h: Remove the prototype.
3052 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3054 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3056 * recog.h: Remove the prototype for
3057 validate_change_maybe_volatile.
3059 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3061 * rtlanal.c (replace_reg): Remove.
3062 * rtl.h: Remove the prototype for replace_reg.
3064 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3066 * regclass.c (reg_scan_update): Remove.
3067 (reg_scan_mark_refs): Remove the last argument.
3068 * rtl.h: Remove the prototype for reg_scan_update.
3070 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3072 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3073 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3074 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3075 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3076 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3077 loop-invariant.c, omp-low.c, opts.c, passes.c,
3078 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3079 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3080 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3081 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3082 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3083 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3085 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3087 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3088 * dwarf2out.h: Remove the prototype for
3089 dwarf2out_add_library_unit_info.
3091 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3093 * tree.c (add_var_to_bind_expr): Remove.
3094 * tree.h: Remove the prototype for add_var_to_bind_expr.
3096 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3098 * regclass.c (n_non_fixed_regs): Remove.
3099 (init_reg_sets_1, globalize_reg): Remove all uses of
3101 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3103 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3105 * rtlanal.c (insns_safe_to_move_p): Remove.
3106 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3108 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3110 * expmed.c (expand_mult_add): Remove.
3111 * expr.h: Remove the prototype for expand_mult_add.
3113 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3115 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3116 and REG_SAVED_VAL_EXP constants.
3117 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3118 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3119 Handle regs stored by value.
3120 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3121 (execute_cfa_program): Handle DW_CFA_val_offset,
3122 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3123 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3124 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3125 (uw_install_context_1): Handle target regs stored by value.
3127 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3129 * tree-sra.c (tree_sra): Return todoflags;
3130 (generate_one_element): Set TODO_update_smt_usage if needed.
3131 (pass_sra): Remove TODO_update_smt_usage.
3132 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3134 (tree_ssa_forward_propagate_single_use_vars): Return
3135 TODO_update_smt_usage if we need to update SMT usage.
3136 (pass_forwprop): Remove TODO_update_smt_usage.
3138 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3140 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3141 (correct_use_link): Remove reference to get_stmt_operands.
3142 (update_stmt_operands): Likewise.
3143 (get_modify_expr_operands): New function factored out of
3144 parse_ssa_operands and get_expr_operands.
3145 Try to create V_MUST_DEFs for LHS by default.
3146 (get_expr_operands) <case MODIFY_EXPR>: Call
3147 get_modify_expr_operands.
3148 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3149 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3150 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3151 get_modify_expr_operands.
3153 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3155 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3156 * tree-flow.h: Remove the prototype for
3157 referenced_var_lookup_if_exists.
3159 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3161 PR rtl-optimization/26345
3163 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3165 2006-03-03 Roger Sayle <roger@eyesopen.com>
3167 PR tree-optimization/26524
3168 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3169 fold_convert to create a constant of the appropriate type.
3171 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3173 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3174 SYMBOL_REF_IN_BLOCK_P.
3175 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3176 of SYMBOL_FLAG_IN_BLOCK.
3177 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3178 instead of SYMBOL_REF_IN_BLOCK_P.
3179 * explow.c (use_anchored_address): Likewise.
3180 * rtl.c (rtx_size): Likewise.
3181 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3182 instead of SYMBOL_FLAG_IN_BLOCK.
3183 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3184 SYMBOL_REF_IN_BLOCK_P.
3185 (assemble_variable): Likewise.
3186 (output_constant_def_contents): Likewise.
3187 (output_constant_pool): Likewise.
3188 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3189 instead of SYMBOL_FLAG_IN_BLOCK.
3190 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3191 SYMBOL_REF_IN_BLOCK_P.
3192 (SYMBOL_REF_BLOCK): Likewise.
3193 (SYMBOL_REF_OFFSET): Likewise.
3194 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3195 SYMBOL_REF_IN_BLOCK_P.
3196 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3197 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3198 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3199 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3201 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3203 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3205 2006-03-02 Roger Sayle <roger@eyesopen.com>
3207 * simplify-rtx.c (simplify_unary_operation): When simplifying
3208 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3209 that we perform the right shift in the appropriate mode, and
3210 then extend or truncate the result to requested mode.
3212 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3214 * gengtype.c (main): Handle double_int type.
3215 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3216 * double-int.c: New file.
3217 * double-int.h: New file.
3218 * system.h: Include doubleint.h.
3219 * Makefile.in (SYSTEM_H): Include double-int.h.
3220 (double-int.o): Add.
3222 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3225 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3228 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3230 * tree-vrp.c (remove_range_assertions): Do not update statements
3233 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3235 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3237 * gcse.c (rest_of_handle_gcse): Ditto.
3238 * except.c (gate_handle_eh): Ditto.
3239 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3240 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3242 2006-03-02 Eric Christopher <echristo@apple.com>
3244 * config/i386/i386.c (machopic_output_stub): Add indirection to
3247 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3251 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3253 Sun Niagara specific optimizations.
3254 * config.gcc: Recognize niagara as target.
3255 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3256 (TARGET_CPU_niagara): Define.
3257 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3258 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3259 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3260 (ASM_CPU_SPEC): Likewise.
3261 (PROCESSOR_NIAGARA): New enum entry.
3262 (REGISTER_MOVE_COST): Handle Niagara.
3263 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3264 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3265 (sparc_override_options): Recognize "niagara", set appropriate
3266 default MASK_* values for it, and align functions to 32-bytes
3267 by default just like ULTRASPARC/ULTRASPARC3.
3268 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3269 (sparc64_initialize_trampoline): Likewise.
3270 (sparc_use_sched_lookahead): Use zero for niagara.
3271 (sparc_issue_rate): Use one for niagara.
3272 * config/sparc/niagara.md: New file.
3273 * config/sparc/sparc.md: Include it.
3274 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3275 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3276 when default cpu is niagara.
3277 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3278 (ASM_CPU_SPEC): Likewise.
3279 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3280 when default cpu is niagara.
3281 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3282 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3283 just like v9/ultrasparc/ultrasparc3.
3284 * doc/invoke.texi: Add documentation for "niagara" and improve
3285 existing documentation for ultrasparc variants.
3287 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3289 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3291 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3293 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3294 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3295 and say that only one is needed.
3296 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3297 * target.h (have_switchable_bss_sections): New hook.
3298 * explow.c (use_anchored_address): Check that the symbol is in a block.
3299 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3300 (bss_noswitch_section): New variables.
3301 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3302 (get_noswitch_section): New function.
3303 (get_block_for_section): Allow SECT to be null.
3304 (unlikely_text_section_p): Use SECTION_STYLE.
3305 (bss_initializer_p): New function.
3306 (get_variable_section): Move earlier in file. Take a new argument,
3307 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3308 Return one of the new *_sections in such cases.
3309 (get_block_for_decl): New function, extracting some logic from
3310 use_blocks_for_decl_p.
3311 (change_symbol_section): Remove in favor of...
3312 (change_symbol_block): ...this new function.
3313 (use_blocks_for_decl_p): Remove checks now performed by
3315 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3316 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3317 (emit_local, emit_bss, emit_common): ...these new functions.
3318 Return true if the alignment was honored.
3319 (emit_tls_common): New function.
3320 (asm_emit_uninitialised): Delete.
3321 (assemble_variable_noswitch): New function, split out from...
3322 (assemble_variable): ...here. Don't make decisions about common
3323 variables here. Globalize all public decls that go into non-common
3324 sections. Check whether SYMBOL_REF_BLOCK is null.
3325 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3326 (output_constant_pool): Likewise.
3327 (init_varasm_once): Initialize the new section variables.
3328 (have_global_bss_p): New function.
3329 (categorize_decl_for_section): Use bss_initializer_p.
3330 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3331 (place_block_symbol): Assert that the symbol must be in a block.
3332 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3333 (TARGET_INITIALIZER): Include it.
3334 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3335 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3336 (SECTION_MACH_DEP): Bump by two.
3337 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3338 (unnamed_section): Mention SECTION_UNNAMED in comment.
3339 (named_section): Likewise SECTION_NAMED.
3340 (noswitch_section_callback): New type.
3341 (noswitch_section): New structure.
3342 (section): Add a noswitch_section alternative.
3343 (SECTION_STYLE): New macro.
3344 (tls_comm_section, comm_section, lcomm_section): Declare.
3345 (bss_noswitch_section, have_global_bss_p): Declare.
3346 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3347 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3349 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3350 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3353 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3355 * gcc/tree-vrp.c (execute_vrp): Return value.
3356 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3357 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3358 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3359 (tree_lower_complex_O0): Ditto.
3360 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3361 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3362 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3363 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3364 (execute_tail_calls): Ditto.
3365 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3366 * gcc/tree.h (init_function_for_compilation): Ditto.
3367 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3368 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3369 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3370 * gcc/final.c (compute_alignments): Ditto.
3371 (rest_of_handle_final): Ditto.
3372 (rest_of_handle_shorten_branches): Ditto.
3373 (rest_of_clean_state): Ditto.
3374 * gcc/omp-low.c (execute_expand_omp): Ditto.
3375 (execute_lower_omp): Ditto.
3376 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3377 * gcc/ipa-reference.c (static_execute): Ditto.
3378 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3379 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3380 (rest_of_handle_machine_reorg): Ditto.
3381 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3382 * gcc/flow.c (recompute_reg_usage): Ditto.
3383 (rest_of_handle_remove_death_notes): Ditto.
3384 (rest_of_handle_life): Ditto.
3385 (rest_of_handle_flow2): Ditto.
3386 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3387 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3388 (do_ssa_store_ccp): Ditto.
3389 (execute_fold_all_builtins): Ditto.
3390 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3391 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3392 * gcc/ipa-pure-const.c (static_execute): Ditto.
3393 * gcc/cse.c (rest_of_handle_cse): Ditto.
3394 (rest_of_handle_cse2): Ditto.
3395 * gcc/web.c (rest_of_handle_web): Ditto.
3396 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3397 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3398 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3399 * gcc/tree-nrv.c (tree_nrv): Ditto.
3400 (execute_return_slot_opt): Ditto.
3401 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3402 (create_structure_vars): Ditto.
3403 * gcc/loop-init.c (rtl_loop_init): Ditto.
3404 (rtl_loop_done): Ditto.
3405 (rtl_move_loop_invariants): Ditto.
3406 (rtl_unswitch): Ditto.
3407 (rtl_unroll_and_peel_loops): Ditto.
3408 (rtl_doloop): Ditto.
3409 * gcc/gimple-low.c (lower_function_body): Ditto.
3410 (mark_used_blocks): Ditto.
3411 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3412 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3413 (cgraph_early_inlining): Ditto.
3414 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3415 * gcc/jump.c (cleanup_barriers): Ditto.
3416 (purge_line_number_notes): Ditto.
3417 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3418 (rest_of_handle_if_after_reload): Ditto.
3419 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3420 (tree_ssa_loop_im): Ditto.
3421 (tree_ssa_loop_unswitch): Ditto.
3422 (tree_vectorize): Ditto.
3423 (tree_linear_transform): Ditto.
3424 (tree_ssa_loop_ivcanon): Ditto.
3425 (tree_ssa_empty_loop): Ditto.
3426 (tree_ssa_loop_bounds): Ditto.
3427 (tree_complete_unroll): Ditto.
3428 (tree_ssa_loop_prefetch): Ditto.
3429 (tree_ssa_loop_ivopts): Ditto.
3430 (tree_ssa_loop_done): Ditto.
3431 * gcc/predict.c (tree_estimate_probability): Ditto.
3432 * gcc/recog.c (split_all_insns_noflow): Ditto.
3433 (rest_of_handle_peephole2): Ditto.
3434 (rest_of_handle_split_all_insns): Ditto.
3435 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3436 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3437 (rest_of_handle_stack_adjustments): Ditto.
3438 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3439 * gcc/function.c (instantiate_virtual_regs): Ditto.
3440 (init_function_for_compilation): Ditto.
3441 (rest_of_handle_check_leaf_regs): Ditto.
3442 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3443 (rest_of_handle_gcse): Ditto.
3444 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3445 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3446 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3447 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3448 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3449 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3450 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3451 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3452 * gcc/except.c (set_nothrow_function_flags): Ditto.
3453 (convert_to_eh_region_ranges): Ditto.
3454 (rest_of_handle_eh): Ditto.
3455 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3456 (remove_unnecessary_notes): Ditto.
3457 * gcc/except.h (set_nothrow_function_flags): Ditto.
3458 (convert_to_eh_region_ranges): Ditto.
3459 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3460 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3461 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3462 (execute_fre): Ditto.
3463 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3464 (rest_of_handle_jump2): Ditto.
3465 * gcc/tree-sra.c (tree_sra): Ditto.
3466 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3467 (execute_mudflap_function_decls): Ditto.
3468 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3469 (do_store_copy_prop): Ditto.
3470 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3471 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3472 * gcc/tree-ssa-forwprop.c
3473 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3474 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3475 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3476 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3477 (execute_late_warn_uninitialized): Ditto.
3478 * gcc/rtl.h (cleanup_barriers): Ditto.
3479 (split_all_insns_noflow): Ditto.
3480 (purge_line_number_notes): Ditto.
3481 (unshare_all_rtl): Ditto.
3482 (remove_unnecessary_notes): Ditto.
3483 (recompute_reg_usage): Ditto.
3484 (variable_tracking_main): Ditto.
3485 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3486 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3487 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3488 (execute_free_cfg_annotations): Ditto.
3489 (execute_fixup_cfg): Ditto.
3490 (execute_cleanup_cfg_pre_ipa): Ditto.
3491 (execute_cleanup_cfg_post_optimizing): Ditto.
3492 (execute_init_datastructures): Ditto.
3493 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3494 * gcc/combine.c (rest_of_handle_combine): Ditto.
3495 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3496 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3497 (rest_of_handle_reorder_blocks): Ditto.
3498 (rest_of_handle_partition_blocks): Ditto.
3499 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3500 * gcc/tree-profile.c (tree_profiling): Ditto.
3501 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3502 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3503 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3504 (rest_of_handle_sched2): Ditto.
3505 * gcc/basic-block.h (free_bb_insn): Ditto.
3506 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3507 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3508 (remove_useless_stmts): Ditto.
3509 (split_critical_edges): Ditto.
3510 (execute_warn_function_return): Ditto.
3511 (execute_warn_function_noreturn): Ditto.
3512 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3513 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3514 * gcc/passes.c (execute_one_pass): Run additional
3515 todos returned by execute function.
3516 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3519 2006-03-02 Richard Guenther <rguenther@suse.de>
3521 * tree-ssa-alias.c (find_used_portions): Consider taking
3522 the address as making the variable not write-only.
3524 2006-03-02 Nick Clifton <nickc@redhat.com>
3526 * config.gcc (default_use_cxa_atexit): Extend the description of
3527 this configure variable. Set its default value to "yes" for
3528 Linux, NetBSD and ELF targets on the assumption that they will
3529 use C libraries with the __cxa_atexit function.
3531 2006-03-02 Ben Elliston <bje@au.ibm.com>
3533 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3534 parameter as unused to suppress a build warning.
3536 2006-03-02 Ben Elliston <bje@au.ibm.com>
3538 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3541 2006-03-01 Roger Sayle <roger@eyesopen.com>
3544 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3545 declared name, the weak reference name, and the typeof name.
3546 (__gthrw): Avoid expanding the declared name suffix.
3547 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3549 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3551 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3553 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3554 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3555 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3556 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3557 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3558 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3559 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3560 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3561 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3562 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3563 (DW_END_default, DW_END_big, DW_END_little): New.
3564 (DW_END_lo_user, DW_END_hi_user): Define.
3565 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3566 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3567 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3570 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3572 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3574 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3576 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3578 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3580 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3581 to 'symbol_mem_tag'.
3583 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3586 2006-03-01 Roger Sayle <roger@eyesopen.com>
3588 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3590 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3593 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3594 MACHO_DYNAMIC_NO_PIC_P.
3595 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3597 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3600 * config/darwin-protos.h (darwin_asm_output_anchor):
3602 * config/darwin-sections.def (cstring_section):
3603 Add SECTION_MERGE to the flags.
3604 (literal4_section): Likewise.
3605 (literal8_section): Likewise.
3606 (objc_selector_refs_section): Likewise.
3607 (objc_cls_refs_section): Likewise.
3608 * config/darwin.c (darwin_asm_output_anchor): New
3610 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3612 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3614 Fix PR tree-optimization/26443
3615 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3616 to todo and PROP_tmt_usage to properties_destroyed.
3617 * tree-ssa-ccp.c (pass_ccp): Ditto.
3618 (pass_store_ccp): Ditto.
3619 * tree-ssa-dom.c (pass_dominator): Ditto.
3621 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3623 * tree-ssa-operands.c: Cleanup whitespace.
3624 (get_asm_expr_operands): Move before first invocation.
3625 (get_indirect_ref_operands): Likewise.
3626 (get_tmr_operands): Likewise.
3627 (get_call_expr_operands): Likewise.
3628 (append_def): Likewise.
3629 (append_use): Likewise.
3630 (append_v_may_def): Likewise.
3631 (append_v_must_def): Likewise.
3632 (add_call_clobber_ops): Likewise.
3633 (add_call_read_ops): Likewise.
3634 (add_stmt_operand): Likewise.
3635 (add_virtual_operand): Likewise.
3636 (build_ssa_operands): Likewise.
3638 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3643 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3644 with a call expr to ...
3645 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3647 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3649 * tree-vrp.c (extract_range_from_assert): Remove special
3650 handling for types with super-types.
3652 2006-03-01 Ben Elliston <bje@au.ibm.com>
3654 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3655 and powerpc64-*-linux* configurations.
3656 * config/t-dfprules: New file.
3658 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3659 Compile dfp-bit.c from the source directory using -DWIDTH and
3660 $DFP_CFLAGS to control the compilation of that file, rather than
3661 generating width-specific versions in the build directory.
3662 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3663 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3665 2006-02-28 Zack Weinberg <zackw@panix.com>
3667 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3670 2006-02-28 Eric Christopher <echristo@apple.com>
3672 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3673 Set up IN_LIBGCC definition of TARGET_64BIT.
3674 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3676 2006-02-28 Roger Sayle <roger@eyesopen.com>
3679 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3680 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3681 cases via the construction of "expr != 0".
3683 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3685 * alias.c (alias_invariant, alias_invariant_size): Remove.
3686 (record_base_value): Remove.
3687 (memrefs_conflict_p): Don't look at alias_invariant.
3688 (end_alias_analysis): Don't free it.
3689 * alias.h (record_base_value): Remove prototype.
3691 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3692 Adam Nemet <anemet@caviumnetworks.com>
3694 * rtl.h (truncated_to_mode): Declare it.
3695 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3696 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3697 (RTL_HOOKS_INITIALIZER): Include it.
3698 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3699 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3700 reg_truncated_to_mode.
3701 * rtlanal.c (truncated_to_mode): Define it.
3702 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3704 2006-02-28 Jeff Law <law@redhat.com>
3706 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3707 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3708 the range allowed by TYPE_PRECISION.
3710 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3712 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3714 PR tree-optimization/26419
3715 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3718 2006-02-27 Zack Weinberg <zackw@panix.com>
3720 * doc/md.texi: Fix typo in previous change.
3722 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3726 2006-02-27 Zack Weinberg <zackw@panix.com>
3728 * rtl.def (define_constraint, define_register_constraint)
3729 (define_memory_constraint, define_address_constraint): New MD forms.
3730 * gensupport.c (process_rtx): Put define_constraint etc on the
3732 * genpreds.c (process_define_predicate): Adjust comment. Validate
3733 the name, and call validate_exp to validate the expression.
3734 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3735 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3736 all callers changed.
3737 (validate_exp, needs_variable, struct constraint_data)
3738 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3739 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3740 (const_dbl_constraints, constraint_max_namelen)
3741 (have_register_constraints, have_memory_constraints)
3742 (have_address_constraints, have_address_constraints)
3743 (have_extra_constraints, have_const_int_constraints)
3744 (have_const_dbl_constraints, mangle, add_constraint)
3745 (process_define_constraint, process_define_register_constraint)
3746 (write_enum_constraint_num, write_lookup_constraint)
3747 (write_insn_constraint_len, write_regclass_for_constraint)
3748 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3749 (write_insn_extra_memory_constraint)
3750 (write_insn_extra_address_constraint)
3751 (write_satisfies_constraint_fns): New.
3752 (write_tm_preds_h): If we have new-style constraint definitions,
3753 prototype the functions generated from them, and define the
3754 old constraint interface (still used by generic code) in terms of
3756 (write_insn_preds_c): If we have new-style constraint definitions,
3757 generate all relevant functions from those definitions.
3758 (main): Handle define_constraint etc.
3759 * genoutput.c (struct constraint_data, indep_constraints)
3760 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3761 (mdep_constraint_len): New data structures and functions, defined
3762 #ifdef USE_MD_CONSTRAINTS.
3763 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3764 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3765 use new logic to validate operand constraints against constraint
3767 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3769 * defaults.h: If none of the old-style constraint macros are
3770 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3771 old-style macros; and poison REG_CLASS_FROM_LETTER,
3772 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3774 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3775 * doc/md.texi: Document new constraint-definition mechanism and the
3776 C interface it provides. Remove references to old mechanism
3777 elsewhere in the document.
3778 (Machine Constraints): Use pathnames relative to gcc directory,
3779 i.e. config/ARCH/FILE. Change i386 section to refer to
3780 config/i386/predicates.md; update that section to match docstrings.
3781 * doc/tm.texi: Move all documentation of the old constraint-
3782 definition macros to their own section, clearly mark as obsolete.
3784 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3785 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3787 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3788 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3789 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3791 (splits and peepholes): Use satisfies_constraint_*.
3792 * config/i386/i386.c (memory_address_length)
3793 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3795 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3797 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3798 scalar operation to be put back into the loop.
3800 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3803 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3804 (extract_cie_info): Handle S flag in augmentation string.
3805 (execute_cfa_program): If context->signal_frame, execute also
3806 fs->pc == context->ra instructions.
3807 (uw_frame_state_for): If context->signal_frame, don't subtract one
3808 from context->ra to find FDE.
3809 (uw_update_context_1): Set context->signal_frame to
3811 (_Unwind_GetIPInfo): New function.
3812 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3813 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3815 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3816 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3817 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3818 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3819 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3820 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3821 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3822 x86_64_fallback_frame_state): Set fs->signal_frame.
3823 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3824 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3825 (frob_update_context): Likewise. Workaround missing S flag in
3826 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3827 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3828 Remove the psw_addr + 1 hack.
3830 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3832 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3833 with aggregates here.
3834 (find_func_aliases): Remove code for &<aggregate> from here.
3836 2006-02-26 Roger Sayle <roger@eyesopen.com>
3838 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3839 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3840 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3843 2006-02-26 Roger Sayle <roger@eyesopen.com>
3846 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3848 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3850 * opts.c (decode_options): Do not handle flag_strength_reduce.
3851 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3852 and OPT_fstrength_reduce.
3853 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3854 flag_prefetch_loop_arrays for being nonzero.
3855 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3857 (fprefetch-loop-arrays-rtl): Removed.
3858 (flag_prefetch_loop_arrays): Do not specify the value.
3860 * doc/passes.texi: Update documentation of loop optimizer
3862 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3863 -frerun-loop-opt): Remove.
3865 2006-02-26 Richard Guenther <rguenther@suse.de>
3867 PR tree-optimization/26421
3868 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3869 in function calls that are ADDR_EXPRs as using the whole structure.
3871 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3873 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3874 * tree-pass.h (pass_loop_optimize): Remove.
3875 * passes.c (pass_loop_optimize): Never run it.
3876 * toplev.c (backend_init): Don't call init_loop.
3877 * opts.c (flag_loop_optimize_set): Remove.
3878 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3879 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3880 the old RTL loop optimizer when profiling enabled.
3881 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3882 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3883 pre-headers for the sake of the old RTL loop optimizer.
3884 * Makefile.in: Remove all references to loop.o.
3886 * doc/invoke.texi: Remove all references to -floop-optimize
3887 and -frerun-loop-opt.
3889 2006-02-26 Zack Weinberg <zackw@panix.com>
3891 * doc/md.texi (Machine Constraints): Refer to all files with paths
3892 relative to gcc directory (i.e. config/CPU/file). Add missing
3893 @table @code ... @end table to M32C subsection.
3895 2006-02-26 Roger Sayle <roger@eyesopen.com>
3897 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3899 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3901 2006-02-26 Roger Sayle <roger@eyesopen.com>
3902 James A. Morrison <phython@gcc.gnu.org>
3905 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3906 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3907 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3908 signedness of the shift operation.
3910 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3912 PR tree-optimization/26359
3913 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3915 2006-02-25 Roger Sayle <roger@eyesopen.com>
3917 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3918 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3919 as X == 0, and some symmetry related transformations.
3920 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3922 2006-02-25 Roger Sayle <roger@eyesopen.com>
3925 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3926 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3927 symmetry related transformations. Fold (X^C1) == C2 as
3930 2006-02-25 Juergen Weigert <jw@suse.de>
3931 Richard Guenther <rguenther@suse.de>
3933 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3935 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3937 * combine.c (gen_lowpart_or_truncate): Call
3938 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3940 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3942 * doc/invoke.texi: Move -fopenmp description to "Options for
3944 Remove reference to -lgomp.
3946 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3948 * doc/install.texi: Require GNU tar version 1.14.
3950 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3952 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3953 * doc/invoke.texi (C++ Dialect Options): Document
3954 -fno-use-cxa-get-exception-ptr.
3955 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3956 * configure: Regenerate.
3957 * c.opt (fuse-cxa-get-exception-ptr): New.
3958 * c-opts.c (c_common_handle_option): Handle
3959 OPT_fuse_cxa_get_exception_ptr.
3960 * c-common.c (flag_use_cxa_atexit): Update documentation.
3961 (flag_use_cxa_get_exception_ptr): New.
3962 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3963 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3965 (C_COMMON_OVERRIDE_OPTIONS): New.
3967 2006-02-24 Roger Sayle <roger@eyesopen.com>
3970 * combine.c (try_combine): Explicitly check whether GET_CODE is
3971 a SET or a CLOBBER, instead on checking that it isn't a USE.
3973 2006-02-24 Roger Sayle <roger@eyesopen.com>
3975 * fold-const.c (fold_comparison): New subroutine of fold_binary
3976 containing transformations common to both the equality and
3977 ordering relational operators, factored out of fold_binary.
3978 (fold_binary): Separate out the equality operators (EQ_EXPR
3979 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3980 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3981 transformations common to both.
3982 (fold_div_compare): Fix latent bugs in the previously unreachable
3983 LT_EXPR and GE_EXPR cases.
3985 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3987 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3988 decl libname for clog to __clog on AIX.
3990 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3992 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3995 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3996 output traceback table for thunks. Localise rs6000_stack_info call.
3998 2006-02-23 Roger Sayle <roger@eyesopen.com>
3999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4001 * gthr-posix.h (__gthrw): Fix typo in comment.
4003 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4005 * doc/cpp.texi (Character sets): Document that we do support
4006 input files to be in any character set.
4008 2006-02-23 Jeff Law <law@redhat.com>
4010 * tree.h (PHI_ARG_NONZERO): Remove.
4011 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4012 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4013 node to the new node.
4015 PR tree-optimization/26425
4016 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4017 min/max, then assume its varying.
4019 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4021 PR rtl-optimization/26316
4022 * rtlanal.c (enum may_trap_p_flags): New.
4023 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4024 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4025 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4026 (may_trap_after_code_motion_p): New function.
4027 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4028 (find_invariant_insn): Use may_trap_after_code_motion_p.
4029 * rtl.h (may_trap_after_code_motion_p): Declare.
4031 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4033 * emit-rtl.c (immed_double_const): Cleanup.
4035 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4037 Fix PR tree-optimization/26376
4038 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4041 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4044 * gimplify.c (omp_add_variable): Guard variable size decl test with
4045 DECL_SIZE (decl) check.
4047 2006-02-23 Richard Guenther <rguenther@suse.de>
4050 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4051 like aggregate types.
4053 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4055 * configure.ac: Add --with{,out}-long-double-128 configure option.
4056 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4057 * configure: Rebuilt.
4058 * config.in: Rebuilt.
4059 * doc/install.texi (Options specification): Document
4060 --with-long-double-128.
4062 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4063 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4064 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4065 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4067 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4069 * config/s390/s390.c (override_options): Handle
4070 TARGET_DEFAULT_LONG_DOUBLE_128.
4072 * config/alpha/alpha.c (override_options): Handle
4073 TARGET_DEFAULT_LONG_DOUBLE_128.
4075 * config/sparc/sparc.c (sparc_override_options): Handle
4076 TARGET_DEFAULT_LONG_DOUBLE_128.
4078 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4080 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4081 (real-install-headers-tar, real-install-headers-cpio)
4082 (real-install-headers-cp): New targets.
4084 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4086 * tree.h (variable_section): Delete.
4087 * varasm.c (variable_section): Delete.
4089 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4091 * install.texi: Add notes on install.texi2html.
4092 (Building in parallel): Do not use footnotes.
4094 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4097 * doc/install.texi (Configuration): Document --disable-libgomp.
4099 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4101 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4103 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4105 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4106 (vec_extractv2df_0_sse): New.
4108 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4110 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4111 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4112 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4113 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4114 to the result of the expression.
4115 (def_cfa_1): Adjust.
4116 (frame_pointer_cfa_offset): Rename to...
4117 (frame_pointer_fb_offset): ... this. Adjust all uses.
4118 (convert_cfa_to_loc_list): Rename to...
4119 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4120 Pass it on to build_cfa_loc.
4121 (compute_frame_pointer_to_cfa_displacement): Rename to...
4122 (compute_frame_pointer_to_fb_displacement): ... this. New
4123 offset parameter. Use it in computation.
4124 (gen_subprogram_die): Compute cfa_fb_offset with the new
4125 macro, and use it to compute the fb loc list and the
4128 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4130 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4131 replaced with register_operand.
4132 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4133 non-DREG is expensive.
4134 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4135 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4138 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4140 * doc/install.texi2html: Use set -e.
4142 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4144 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4145 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4146 * doc/invoke.texi (-fshared-data): Delete.
4147 * common.opt (fshared-data): Delete.
4148 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4149 (assemble_static_space): Remove #if 0 code.
4150 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4151 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4152 * config/cris/cris.h: Remove FIXME.
4154 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4156 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4159 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4162 * combine.c (simplify_shift_const_1): Disable nested shifts
4163 optimization for vector shifts.
4165 2006-02-20 Roger Sayle <roger@eyesopen.com>
4167 PR tree-optimization/26361
4168 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4169 of unsigned integer types.
4171 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4173 * tree-chrec.c (eq_evolutions_p): New.
4174 * tree-chrec.h (eq_evolutions_p): Declared.
4175 * tree-data-ref.c: Fix formatting.
4176 (datadep_stats, dependence_stats): New.
4178 (print_direction_vector): New.
4179 (dump_data_dependence_relation): Use print_direction_vector.
4180 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4181 (compute_subscript_distance): Static.
4182 (initialize_data_dependence_relation): Static. Get the number
4183 of loops surrounding the references from the callers, and initialize
4184 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4185 base_object_differ_p analyzers.
4186 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4187 compute_overlap_steps_for_affine_1_2,
4188 analyze_subscript_affine_affine): Count the classified dependences.
4189 Print a message when a test failed.
4190 (can_use_analyze_subscript_affine_affine): New.
4191 (analyze_siv_subscript): Compute the data dependences on symbolic
4192 scevs that verify can_use_analyze_subscript_affine_affine.
4193 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4194 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4195 Handle symbolic scevs.
4196 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4198 (subscript_dependence_tester): Moved...
4199 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4200 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4201 DDR_SIZE_VECT instead of getting it in parameter.
4202 (subscript_dependence_tester): ... here. Take as a parameter
4203 loop_nest_depth. Call build_classic_dist_vector and
4204 build_classic_dir_vector.
4205 (compute_affine_dependence): Update subscript_dependence_tester
4206 parameters. Update datadep_stats counters. Call
4207 compute_subscript_distance.
4208 (compute_self_dependence): Save the dist and dir vectors. Call
4209 compute_subscript_distance.
4210 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4211 (compute_all_dependences): Reorder parameters as they were before
4212 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4213 compute_subscript_distance. Update the use of
4214 compute_affine_dependence and initialize_data_dependence_relation.
4215 (find_data_references_in_loop): Handle COMPONENT_REF.
4216 (compute_data_dependences_for_loop): Initialize dependence_stats.
4217 Don't call build_classic_dist_vector and build_classic_dir_vector.
4218 Update the parameters of initialize_data_dependence_relation and
4219 compute_all_dependences. Print the statistics from datadep_stats.
4220 (analyze_all_data_dependences): Static. Not used until the pass for
4221 checking the data dependences is contributed.
4222 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4223 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4224 (initialize_data_dependence_relation, compute_affine_dependence,
4225 analyze_all_data_dependences, compute_subscript_distance): Removed.
4226 (print_direction_vector): New.
4227 * lambda.h (gcd): ... here.
4228 (lambda_vector_gcd): Moved here from gcd_vector.
4229 * lambda-code.c (gcd, gcd_vector): Removed.
4230 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4231 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4233 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4235 * ipa-type-escape.c: Tidy some comments and white space.
4236 * tree-ssa-operands.c: Likewise.
4238 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4241 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4242 (dump_decl_name): Do not walk the decl tree chains.
4243 * tree-pass.h (TDF_CHAIN): Remove.
4245 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4247 * Makefile.in (C): Remove
4249 (.PHONY): Remove C and PROTO
4251 2006-02-20 Roger Sayle <roger@eyesopen.com>
4254 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4255 deprecated CHAR_TYPE tree code.
4257 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4259 * configure.ac (target_list): Add install-info, dvi, html.
4260 * configure: Regenerate.
4262 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4263 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4264 treelang/Make-lang.in: Do not use double-colon rules.
4266 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4268 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4269 (TMT_USED_ALONE): New macro.
4270 * tree-pass.h (PROP_tmt_usage): New property.
4271 (TODO_update_tmt_usage): New todo.
4272 * tree-ssa-alias.c (updating_used_alone): New variable.
4273 (recalculate_used_alone): New function.
4274 (compute_may_aliases): Set updating_used_alone, call
4275 recalculate_used_alone.
4276 * tree-sra.c (pass_sra): Note that this pass destroys
4277 PROP_tmt_usage, and add TODO_update_tmt_usage.
4278 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4279 * tree-flow.h (updating_used_alone): Prototype.
4280 (recalculate_used_alone): Ditto.
4281 * passes.c (execute_todo): Add code to set updating_used_alone,
4282 and call recalculate.
4283 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4284 for clobber if used alone, and add assert to verify used_alone
4287 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4289 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4290 for non tls symbols added.
4291 (legitimize_address): Do nothing for PLUS expressions if one of the
4292 addends is a tls symbol reference.
4294 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4298 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4300 * Makefile.in (BOOTSTRAPPING): New.
4301 (quickstrap): New definition if BOOTSTRAPPING=yes.
4303 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4304 * configure.ac: Substitute all_selected_languages with the languages
4305 that were configured. For all the other variables except
4306 lang_specs_files, include all the languages in the tree.
4307 * configure: Regenerate.
4309 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4310 if there is one. Run the commands to run fixincludes in the same
4313 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4314 * doc/install.texi: Document exact conventions for searching target tools.
4315 Document --with-build-time-tools. Document toplevel bootstrap. Document
4316 something more about building an Ada cross-compiler. Don't list GNU Make
4317 requirements which affect all platforms.
4319 2006-02-19 Roger Sayle <roger@eyesopen.com>
4322 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4323 only equivalent if the have both the same mode and precision.
4325 2006-02-20 Ben Elliston <bje@au.ibm.com>
4327 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4329 2006-02-19 Roger Sayle <roger@eyesopen.com>
4330 Steven Bosscher <stevenb.gcc@gmail.com>
4332 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4333 constant pool references to identify stack mode constants.
4334 * rtlanal.c (constant_pool_constant_p): New predicate to check
4335 whether operand is a floating point constant in the pool.
4336 * rtl.h (constant_pool_constant_p): Prototype here.
4337 * loop.c (scan_loop): Avoid hoisting constants from the constant
4338 pool on STACK_REGS targets.
4339 (load_mems): Likewise.
4340 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4341 loads into x87 registers expensive in terms of register pressure.
4343 2006-02-19 Roger Sayle <roger@eyesopen.com>
4345 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4346 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4348 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4350 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4351 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4353 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4355 * doc/invoke.texi: Document -fipa-pta.
4356 * common.opt: Add ipa-pta option.
4357 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4358 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4359 (do_ds_constraint): Ditto.
4360 (get_constraint_for): Only add to referenced_vars if
4361 referenced_vars exists.
4362 (insert_into_field_list): Rewrite to do this unsorted.
4363 (insert_into_field_list_sorted): Rename old insert_into_field_list
4365 (create_function_info_for): Use insert_into_field_list_sorted.
4366 (create_variable_info_for): Rewrite so it uses unsorted version,
4367 since the field list is sorted.
4368 (intra_create_variable_infos): Only add to referenced_vars if
4369 referenced_vars exists.
4370 (ipa_pta_execute): Init heapvars, and delete when done.
4371 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4373 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4375 * doc/install.texi: Add missing `@samp'.
4377 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4379 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4382 2006-02-18 Mark Wielaard <mark@klomp.org>
4384 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4385 who added new 4.1 features, bug fixes and integration support.
4387 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4390 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4393 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4395 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4396 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4397 (copy_insn_1): Likewise. Don't copy each field individually.
4399 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4401 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4402 * rtl.c (rtx_size): Rename variable to...
4403 (rtx_code_size): ...this.
4404 (rtx_size): New function.
4405 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4406 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4408 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4409 * rtl.h (rtx_code_size): New variable.
4410 (rtx_size): Change from a variable to a function.
4411 (RTX_SIZE): Rename to...
4412 (RTX_CODE_SIZE): ...this.
4415 PR tree-optimization/17106
4416 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4417 (Anchored Addresses): New section.
4418 * doc/invoke.texi (-fsection-anchors): Document.
4419 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4420 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4421 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4422 * hooks.c (hook_bool_mode_rtx_false): New function.
4423 * hooks.h (hook_bool_mode_rtx_false): Declare.
4424 * gengtype.c (create_optional_field): New function.
4425 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4426 SYMBOL_REF_IN_BLOCK_P is true.
4427 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4428 (min_anchor_offset, max_anchor_offset): Likewise.
4429 (use_anchors_for_symbol_p): New hook.
4430 * toplev.c (compile_file): Call output_object_blocks.
4431 (target_supports_section_anchors_p): New function.
4432 (process_options): Check that -fsection-anchors is only used on
4433 targets that support it and when -funit-at-a-time is in effect.
4434 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4435 if the decl doesn't have one.
4436 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4437 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4438 of force_const_mem through use_anchored_address.
4439 (expand_expr_constant): New function.
4440 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4441 calling expand_expr for INDIRECT_REF.
4442 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4443 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4444 * expr.h (use_anchored_address): Declare.
4445 * loop-unroll.c: Don't declare rtx vectors here.
4446 * explow.c: Include output.h.
4447 (validize_mem): Call use_anchored_address.
4448 (use_anchored_address): New function.
4449 * common.opt (-fsection-anchors): New switch.
4450 * varasm.c (object_block_htab, anchor_labelno): New variables.
4451 (hash_section, object_block_entry_eq, object_block_entry_hash)
4452 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4453 (use_blocks_for_decl_p, change_symbol_section): New functions.
4454 (get_variable_section): New function, split out from assemble_variable.
4455 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4456 use_blocks_for_decl_p say so. Use change_symbol_section if the
4457 symbol has already been created.
4458 (assemble_variable_contents): New function, split out from...
4459 (assemble_variable): ...here. Don't output any code for
4460 block symbols; just pass them to place_block_symbol.
4461 Use get_variable_section and assemble_variable_contents.
4462 (get_constant_alignment, get_constant_section, get_constant_size): New
4463 functions, split from output_constant_def_contents.
4464 (build_constant_desc): Create a block symbol if use_object_blocks_p
4465 says so. Or into SYMBOL_REF_FLAGS.
4466 (assemble_constant_contents): New function, split from...
4467 (output_constant_def_contents): ...here. Don't output any code
4468 for block symbols; just pass them to place_section_symbol.
4469 Use get_constant_section and get_constant_alignment.
4470 (force_const_mem): Create a block symbol if use_object_blocks_p and
4471 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4472 (output_constant_pool_1): Add an explicit alignment argument.
4473 Don't switch sections here.
4474 (output_constant_pool): Adjust call to output_constant_pool_1.
4475 Switch sections here instead. Don't output anything for block symbols;
4476 just pass them to place_block_symbol.
4477 (init_varasm_once): Initialize object_block_htab.
4478 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4479 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4480 (place_block_symbol, get_section_anchor, output_object_block)
4481 (output_object_block_htab, output_object_blocks): New functions.
4482 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4483 (TARGET_ASM_OUT): Include it.
4484 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4485 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4486 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4487 (TARGET_INITIALIZER): Include them.
4488 * rtl.c (rtl_check_failed_block_symbol): New function.
4489 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4490 (block_symbol, object_block): New structures.
4491 (rtx_def): Add a block_symbol field to the union.
4492 (BLOCK_SYMBOL_CHECK): New macro.
4493 (rtl_check_failed_block_symbol): Declare.
4494 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4495 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4496 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4497 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4498 * output.h (output_section_symbols): Declare.
4499 (object_block): Name structure.
4500 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4501 (default_use_anchors_for_symbol_p): Declare.
4502 * Makefile.in (RTL_BASE_H): Add vec.h.
4503 (explow.o): Depend on output.h.
4504 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4505 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4506 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4507 (rs6000_use_blocks_for_constant_p): New function.
4509 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4511 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4513 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4516 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4519 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4521 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4525 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4528 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4529 instead of DECL_REGISTER.
4531 2006-02-18 Olivier Hainque <hainque@adacore.com>
4534 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4536 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4539 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4540 * opth-gen.awk: Handle Var and InverseMask together.
4541 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4542 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4543 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4544 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4546 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4547 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4548 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4549 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4550 LINUX_DYNAMIC_LINKER): Define.
4551 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4552 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4554 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4555 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4556 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4557 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4558 (TARGET_C99_FUNCTIONS): Don't define.
4559 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4560 GLIBC_DYNAMIC_LINKER.
4561 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4562 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4563 GLIBC_DYNAMIC_LINKER64): Define.
4564 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4565 LINUX_DYNAMIC_LINKER64.
4566 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4567 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4568 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4569 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4570 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4571 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4572 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4573 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4574 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4575 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4576 and LINUX_DYNAMIC_LINKER32.
4577 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4578 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4579 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4580 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4581 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4583 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4584 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4585 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4586 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4587 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4588 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4589 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4590 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4591 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4592 LINUX_DYNAMIC_LINKER): Define.
4593 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4594 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4595 GLIBC_DYNAMIC_LINKER64): Define.
4596 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4597 LINUX_DYNAMIC_LINKER64.
4598 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4599 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4600 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4601 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4602 LINUX_DYNAMIC_LINKER): Define.
4603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4604 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4605 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4606 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4607 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4608 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4609 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4610 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4611 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4612 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4613 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4614 * doc/invoke.texi (-muclibc): Remove caveat about supported
4617 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4619 * doc/cpp.texi (__TIMESTAMP__): Document.
4621 2006-02-17 Roger Sayle <roger@eyesopen.com>
4624 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4625 C is one less than the width of X (and related transformations).
4626 * simplify-rtx.c (simplify_unary_operation_1): Transform
4627 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4628 depending on STORE_FLAG_VALUE, were C is one less then the
4631 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4633 Fix PR tree-optimization/26341
4634 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4635 about NAME_MEMORY_TAG's.
4637 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4640 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4641 with hardware float support, and software float support. Add fcpy
4642 alternative to hardware patterns. Add alternatives to copy between
4643 general and floating-point registers to the 32-bit pattern.
4644 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4645 secondary reload to load a QI or HI mode constant into a floating
4647 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4648 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4650 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4653 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4655 (load_macho_picbase_di): Likewise.
4657 2006-02-16 Jeff Law <law@redhat.com>
4659 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4660 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4661 (ssa_name_nonzero_p): Likewise.
4662 (get_value_range): Return NULL if VRP is not running.
4663 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4664 VRP routines do not discover a range.
4665 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4666 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4667 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4668 (tree_expr_nonnegative_p): Similarly.
4669 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4670 (restore_nonzero_vars_to_original_value): Remove.
4671 (unsafe_associative_fp_binop): Remove.
4672 (tree_ssa_dominator_optimize): Remove initialization and
4673 finalization of nonzero_vars and nonzero_vars_stack.
4674 (dom_opt_initialize_block): No longer push marker on
4676 (dom_opt_finalize_block): No longer call
4677 restore_nonzero_vars_to_original_value.
4678 (record_equivalences_from_phis): No longer look for
4679 nonzero PHI arguments.
4680 (cprop_into_successor_phis): No longer propagate nonzero
4681 property into PHI arguments. Lose unused argument. Caller
4683 (record_equivalences_from_stmt): No longer record nonzero
4684 values for SSA_NAMEs.
4685 (lookup_avail_expr): No longer use nonzero_vars.
4687 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4688 for sizetype when sizetype is unsigned.
4690 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4692 PR rtl-optimization/25603
4693 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4694 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4695 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4696 with new meaning of SETS.
4698 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4703 * config/linux.opt: New file.
4704 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4705 LINUX_DYNAMIC_LINKER): Define.
4706 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4707 * config.gcc (*-*-linux*): Define extra_options.
4708 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4709 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4710 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4711 GLIBC_DYNAMIC_LINKER.
4712 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4713 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4714 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4715 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4716 * doc/invoke.texi (GNU/Linux Options): New section.
4718 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4720 * config/sparc/sparc.md (setjmp): Rewrite.
4721 (setjmp_32): Delete.
4722 (setjmp_64): Likewise.
4724 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4726 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4729 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4731 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4734 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4736 PR rtl-optimization/26296
4737 * Makefile.in (loop-invariant.c): Add except.h dependency.
4738 * loop-invariant.c: Include except.h.
4739 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4741 2005-02-16 Paul Brook <paul@codesourcery.com>
4743 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4746 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4748 PR rtl-optimization/25636
4749 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4750 when deciding whether an insn is an initializing insn.
4752 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4754 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4755 (tree_code_size): Ditto.
4756 * tree.h (struct tree_memory_tag): Remove parent_var.
4757 (struct tree_struct_field_tag): New.
4760 (union tree_node): Add sft member.
4761 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4763 (create_sft): Add size and offset argument, set SFT_OFFSET and
4765 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4766 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4767 * tree-flow-inline.h (get_subvar_at): Update for
4768 SFT_OFFSET/SFT_SIZE.
4769 (var_can_have_subvars): Ditto.
4770 (overlap_subvar): Ditto.
4771 * print-tree.c (print_node): Print out interesting things for
4773 * tree-flow.h (struct subvar): Remove offset and size members.
4774 * tree-ssa-operands.c (get_expr_operands): Update for
4775 get_indirect_ref_operands changes.
4776 (get_indirect_ref_operands): Call add_virtual_operand instead of
4777 add_stmt_operand. Only recurse on base var if requested.
4778 (access_can_touch_variable): New function.
4779 (add_stmt_operand): Split virtual operand handling into ...
4780 (add_virtual_operand): Here. Add offset, size, and for_clobber
4781 arguments. Prune alias sets.
4782 (add_call_clobber_ops): Call add_virtual_operand.
4784 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4787 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4789 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4790 than TREE_CODE as index into omp_clause_num_ops array.
4792 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4794 PR rtl-optimization/26184
4795 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4797 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4798 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4799 must_precede, must_follow and tobe_scheduled.
4802 * opts.c (common_handle_option): Free new_option pointer.
4803 * df-core.c (df_analyze): Free postorder pointer.
4805 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4807 * Makefile.in: Fix the examples about the use of stamps
4809 2006-02-15 Michael Matz <matz@suse.de>
4813 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4814 influenced by maximum_field_alignment or DECL_PACKED.
4815 (update_alignment_for_field): Ditto.
4816 (place_field): Ditto.
4817 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4820 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4822 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4823 (debug_flow_info): Pass it.
4824 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4825 * bb-reorder.c (reorder_basic_blocks): Likewise.
4826 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4827 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4828 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4829 * gcse.c (gcse_main, bypass_jumps): Likewise.
4830 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4831 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4832 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4833 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4834 * rtl.h (dump_flow_info): Adjust prototype.
4835 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4836 * var-tracking.c (variable_tracking_main): Likewise.
4837 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4838 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4841 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4843 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4846 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4848 PR tree-optimization/26209
4849 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4850 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4852 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4854 2006-02-14 Roger Sayle <roger@eyesopen.com>
4857 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4858 (X,Y) and the corresponding symmetry related transformations.
4859 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4860 (X,Y) and its symmetry related transformations.
4862 2006-02-14 Roger Sayle <roger@eyesopen.com>
4864 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4867 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4869 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4871 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4874 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4875 support COMDAT group.
4876 * configure: Regenerate.
4878 2006-02-14 Roger Sayle <roger@eyesopen.com>
4883 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4885 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4887 Fix PR tree-optimization/26260
4889 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4891 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4892 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4893 * tree-ssa-structalias.c (create_variable_info_for): Use
4894 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4896 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4898 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4900 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4901 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4902 of the ending condition.
4903 * tree-ssa-loop-manip.c: Include params.h.
4904 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4905 tree_unroll_loop): New functions.
4906 * tree-pass.h (pass_loop_prefetch): Declare.
4907 * loop.c (rest_of_handle_loop_optimize): Test for
4908 -fprefetch-loop-arrays-rtl.
4909 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4910 * timevar.def (TV_TREE_PREFETCH): New timevar.
4911 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4912 pass_loop_prefetch): New.
4913 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4914 (cleanup_tree_cfg_loop): Call scev_reset.
4915 * common.opt (fprefetch-loop-arrays-rtl): Add.
4916 * tree-ssa-loop-prefetch.c: New file.
4917 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4918 (new_temp_expr_table): Initialize expr_vars.
4919 (free_temp_expr_table): Cleanup expr_vars.
4920 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4921 expressions from being merged into one.
4922 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4923 (struct tree_niter_desc): Add control, bound and cmp fields.
4924 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4926 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4927 (tree-cfgcleanup.o): Add SCEV_H dependency.
4928 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4929 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4931 2006-02-14 Richard Guenther <rguenther@suse.de>
4933 PR tree-optimization/26258
4934 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4935 in PHI argument processing.
4937 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4939 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4940 new expression in the requested machine mode.
4942 2006-02-13 Roger Sayle <roger@eyesopen.com>
4944 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4945 directly, instead let do_compare_rtx_and_jump handle this for us.
4946 * expr.c (expand_expr_real_1): Likewise.
4947 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4948 before do_jump_by_parts_greater.
4949 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4950 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4952 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4954 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4956 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4958 PR rtl-optimization/26235
4959 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4960 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4963 2006-02-13 Jeff Law <law@redhat.com>
4965 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4968 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4971 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4972 twice if decl is a builtin. When trying again, call get_callee_fndecl
4973 first to verify it is still a builtin.
4975 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4977 * dwarf2out.c (base_type_die): Don't add AT_name here.
4978 (subrange_type_die): Don't add AT_name here.
4979 (modified_type_die): Rearrange code flow. Do add AT_name here.
4981 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4983 PR rtl-optimization/26247
4984 PR rtl-optimization/26248
4985 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4987 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4989 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4990 * config/fixtfdi.c: Likewise.
4991 * config/fixunstfdi.c: Likewise.
4992 * config/floatditf.c: Likewise.
4994 2006-02-13 Roger Sayle <roger@eyesopen.com>
4997 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4998 into (X,C2) if C1 is a subset of the bits of C2. Transform
4999 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5001 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5003 2006-02-13 Josh Conner <jconner@apple.com>
5006 * varasm.c (function_section): Check for section name before
5007 calling select_section on targets that define
5008 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5009 unlikely_text_section instead of hot_function_section if
5010 first_function_block_is_cold.
5012 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5015 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5017 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5019 PR rtl-optimization/26222
5020 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5021 after tree->rtl expansion.
5022 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5023 before passing it to emit_move_insn.
5025 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5027 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5029 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5030 Clarify documentation.
5031 * c-common.h (warn_write_strings): Remove.
5032 * c-common.c (warn_write_strings): Likewise.
5033 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5036 2006-02-12 Roger Sayle <roger@eyesopen.com>
5039 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5040 (do_jump_parts_zero_rtx): New function renamed from
5041 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5042 (do_jump_parts_equality_rtx): New function split out from
5043 do_jump_parts_equality. Old implementation renamed as above.
5044 Call do_jump_parts_zero_rtx if either operand is zero.
5045 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5046 do all of the heavy lifting.
5047 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5048 calling either do_jump_by_parts_greater_rtx or
5049 do_jump_by_parts_equality_rtx.
5050 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5051 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5052 moved to do_compare_rtx_and_jump, call it directly.
5053 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5054 mode argument. Call do_compare_rtx_and_jump.
5055 (emit_case_nodes): Update calls to do_jump_if_equal.
5057 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5059 PR rtl-optimization/26225
5060 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5062 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5064 PR rtl-optimization/26232
5065 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5067 2006-02-11 Jason Merrill <jason@redhat.com>
5070 * tree-inline.c (declare_return_variable): Just don't use the
5071 modify target if it's a gimple complex reg and the return slot
5074 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5076 * doc/contrib.texi: Update my entry.
5078 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5080 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5082 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5084 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5087 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5089 * doc/invoke.texi (-floop-optimize2): Removed.
5090 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5091 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5092 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5093 * common.opt (floop-optimize2): Removed.
5094 (fmove-loop-invariants): Enabled by default.
5096 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5098 * tree-if-conv.c (combine_blocks): Free the result of
5099 get_loop_exit_edges.
5101 2006-02-10 Jeff Law <law@redhat.com>
5103 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5105 PR tree-optimization/26213
5106 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5107 loop trying to follow SSA_NAME_VALUE chains.
5109 2006-02-10 Richard Guenther <rguenther@suse.de>
5111 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5112 deal with structures that end in implicitly variable sized arrays.
5114 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5116 PR rtl-optimization/24762
5117 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5120 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5122 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5123 (struct ivopts_data): Add regs_used field.
5124 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5125 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5126 instead of loop_data->regs_used;
5127 (free_loop_data): Do not free aux fields for loops.
5128 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5129 and tree_ssa_iv_optimize_finalize.
5131 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5133 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5135 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5138 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5139 computing the effective result type.
5141 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5144 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5145 (tree_overlaps_hard_reg_set): Declare.
5146 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5147 type and signature to match function type expected by walk_tree.
5148 (tree_overlaps_hard_reg_set): New function.
5149 (decl_conflicts_with_clobbers_p): Rename to:
5150 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5151 Use tree_overlaps_hard_reg_set. Changed caller.
5152 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5153 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5154 * cris.c (cris_md_asm_clobbers): Likewise.
5156 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5158 * reload1.c (emit_input_reload_insns): Delete code that tries to
5159 inherit using find_equiv_reg.
5161 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5163 * c-common.h (flag_const_strings): Don't declare.
5164 * c-common.c (flag_const_strings): Remove.
5165 * c.opt (fconst_strings): Remove.
5166 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5167 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5168 (c_common_init_options): Don't set flag_const_strings.
5169 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5171 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5173 * arm.md (tlobits_cbranch): New pattern.
5174 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5175 testing a single bit.
5177 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5180 * tree-ssa-pre.c (create_component_ref_by_pieces):
5181 Handle RETURN_DECL like VAR_DECL.
5183 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5186 * fold-const.c (fold_indirect_ref_1): Fold
5187 "*(foo *)&complexfoo" to "__real__ complexfoo"
5188 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5190 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5192 * tree-flow-inline.h (var_can_have_subvars):
5193 Volatile variables should not have subvariables.
5195 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5198 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5199 multiplying unsigned values.
5202 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5204 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5206 2006-02-08 Jason Merrill <jason@redhat.com>
5209 * tree.def: Elaborate on difference from MODIFY_EXPR.
5210 * doc/c-tree.texi (INIT_EXPR): Likewise.
5211 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5212 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5213 (gimplify_target_expr): Likewise.
5214 (gimplify_cond_expr): Remove target handling.
5215 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5216 (gimplify_expr): Clobber it here.
5217 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5218 Do return slot optimization if we have an INIT_EXPR.
5221 * tree-inline.c (declare_return_variable): Also clear
5222 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5225 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5228 * gimplify.c (gimplify_one_sizepos): Fix typo.
5230 2006-02-08 Jeff Law <law@redhat.com>
5232 PR tree-optimization/21417
5233 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5234 across a backedge if the control statement at the end of the
5235 block is data dependent on other statements in the same block.
5236 (record_temporary_equivalences_from_stmts): Remove over-conservative
5237 test for threading across backedges.
5239 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5240 control statement, handle all three special cases in the same
5241 manner as they all have the same desired solution. No longer
5242 special case edge flag updating when the post dominator is
5245 2006-02-08 Roger Sayle <roger@eyesopen.com>
5247 * tree.def (CHAR_TYPE): Remove.
5248 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5249 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5250 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5251 (gen_string_type_die): Delete unreachable function.
5253 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5254 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5255 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5256 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5257 * builtins.c (type_to_class): Likewise.
5258 * fold-const.c (fold_convert, build_range_check,
5259 merge_ranges): Likewise.
5260 * expr.c (count_type_elements): Likewise.
5261 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5262 * stor-layout.c (layout_type): Likewise.
5263 * ipa-type-escape.c (type_to_consider): Likewise.
5264 * gimplify.c (omp_firstprivatize_type_sizes,
5265 gimplify_type_sizes): Likewise.
5266 * explow.c (promote_mode): Likewise.
5267 * tree-sra.c (is_sra_scalar_type): Likewise.
5268 * varasm.c (output_constant): Likewise.
5269 * tree-inline.c (remap_type_1): Likewise.
5270 * convert.c (convert_to_pointer, convert_to_real,
5271 convert_to_integer, convert_to_complex): Likewise.
5273 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5275 * df-scan.c (df_def_record_1): A set destination may
5276 be a parallel regardless of mode.
5278 2006-02-08 Roger Sayle <roger@eyesopen.com>
5281 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5282 * config/mips/_tilib.c: Remove.
5283 * config/fixtfdi.c: New libgcc source file.
5284 * config/fixunstfdi.c: New source file.
5285 * config/floatditf.c: New source file.
5286 * config/floatunditf.c: New souce file.
5287 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5288 files above instead of config/mips/_tilib.c.
5289 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5291 2006-02-08 Jeff Law <law@redhat.com>
5293 PR tree-optimization/26169
5294 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5297 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5299 * df.h (DF_REG_SIZE): Return the length of the initialized
5302 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5304 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5305 __muldf3): Return a correctly signed zero.
5307 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5309 * passes.c (register_one_dump_file): Accept the current properties
5310 instead of pass number. Adjust call to dump_register. Remove
5312 (register_dump_files): Now a wrapper around...
5313 (register_dump_files_1): ... this one. Do not modify the pass
5315 (next_pass_1): Cosmetic fix.
5316 (execute_todo): Keep second parameter only. Use curr_properties
5317 instead of fetching it from the pass structure. Check and set
5319 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5320 instead of fetching it from the pass structure. Fix calls to
5321 execute_todo. Update curr_properties and initialize .vcg RTL dump
5322 after running the pass. Reset last_verified.
5323 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5325 (FIRST_AUTO_NUMBERED_DUMP): New.
5326 (dump_register): Remove "num" parameter, assign it within the
5328 (get_dump_file_name): Modify template for dumps.
5329 * tree-dump.h (dump_register): Adjust prototype.
5330 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5331 (PROP_trees): Add PROP_gimple_lomp.
5332 (TODO_set_props): New.
5333 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5334 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5335 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5337 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5339 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5340 (sparc64-*-linux*): Likewise.
5341 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5342 * config/sparc/t-linux: New file.
5343 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5344 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5345 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5346 -m32 -mlong-double-128.
5348 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5349 * config/alpha/t-linux: New file.
5350 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5352 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5353 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5354 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5355 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5356 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5357 (CPP_ARCH32_SPEC): Remove.
5359 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5361 PR tree-optimization/26145
5362 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5365 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5368 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5369 >= 240000 when generating code for SOM runtime.
5370 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5371 to $$dyncall when generating code for SOM runtime..
5373 2006-02-07 Dirk Mueller <dmueller@suse.com>
5376 * doc/invoke.texi (-Wsequence-point): Update documentation
5377 that -Wsequence-point is implemented for C++ as well.
5379 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5381 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5382 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5383 (LIB_SPEC): Likewise.
5384 * doc/invoke.texi (SPARC options): Document -pthread.
5386 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5388 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5391 2006-02-07 Roger Sayle <roger@eyesopen.com>
5393 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5394 Correct comment describing BOOLEAN_TYPE.
5396 2006-02-07 Dirk Mueller <dmueller@suse.com>
5398 * c.opt: C++ frontend supports -Wdiv-by-zero.
5399 * c-opts.c (c_common_handle_option): Remove dead case.
5401 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5403 * configure.ac (TLS assembler check): Do not enable TLS by
5404 default on SPARC/Solaris before version 10.
5405 * configure: Regenerate.
5407 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5409 * doc/invoke.texi (xl-compat): Document conversion and support
5412 2006-02-07 Jeff Law <law@redhat.com>
5414 * tree-vrp.c (find_conditional_asserts): Update comments.
5415 (simplify_stmt_for_jump_threading): New.
5416 (identify_jump_threads, finalize_jump_threads): New.
5417 (vrp_finalize): Call identify_jump_threads.
5418 (execute_vrp): Call finalize_jump_threads.
5419 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5420 (vrp_element, vrp_data, vrp_element_p): Remove.
5421 (vrp_hash_elt, vrp_variables_stack): Remove.
5422 (vrp_hash, vrp_eq, record_range): Remove.
5423 (simplify_cond_and_lookup_avail_expr): Remove.
5424 (extract_range_from_cond): Remove.
5425 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5426 (simplify_stmt_for_jump_threading): New.
5427 (dom_thread_across_edge): New wrapper.
5428 (tree_ssa_dominator_optimize): No longer initialize or
5429 finalize any of the VRP datastructures. Remove iteration
5430 step and simplify as a result of removal of iteration step.
5431 (pass_dominator): Perform a cfg cleanup after DOM.
5432 (dom_opt_finalize_block): Use the new common routines
5433 for threading jumps. Simplify stack management slightly.
5434 No longer need to unwind VRP state.
5435 (record_equivalences_from_incoming_edge): No longer record
5437 (eliminate_redundant_computations): No longer call
5438 simplify_cond_and_lookup_avail_expr.
5439 * tree-flow.h (potentially_threadable_block): Prototype.
5440 (thread_across_edge): Likewise.
5441 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5442 (tree-ssa-threadedge.o): Add dependencies.
5443 * tree-ssa-threadedge.c: New file.
5444 * passes.c (init_optimization_passes): Merge PHIs before
5445 calling VRP. Run VRP again late in the SSA optimization pipeline.
5447 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5449 * df-core.c (df_set_blocks): Do not dereference function pointers.
5450 (df_finish1): Likewise.
5451 (df_hybrid_search_forward): Likewise.
5452 (df_hybrid_search_backward): Likewise.
5453 (df_iterative_dataflow): Likewise.
5454 (df_analyze_problem): Likewise.
5455 (df_compact_blocks): Likewise.
5456 (df_dump): Likewise.
5457 * df-scan.c (df_rescan_blocks): Likewise.
5458 (df_record_entry_block_defs): Likewise.
5460 * genconditions.c (write_conditions): Guard the definition of
5461 'insn_conditions' with the check on GCC version.
5462 (write_writer): Guard the traversal 'insn_conditions' with
5463 the check on GCC version.
5465 2006-02-07 Richard Guenther <rguenther@suse.de>
5469 2006-01-30 Richard Guenther <rguenther@suse.de>
5471 * gimplify.c (gimplify_target_expr): Handle easy cases
5472 without creating a temporary.
5474 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5476 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5477 use of float in probability computations. Use edge probabilities
5478 in place of statically computed probabilities.
5479 (min_spec_prob): New static variable.
5480 (schedule_insns): Initialize it.
5481 (GET_SRC_PROB): Removed.
5482 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5484 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5487 * config/ia64/unwind-ia64.c: Revert last change.
5488 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5489 (INCOMING_FRAME_SP_OFFSET): Define.
5491 2006-02-06 Roger Sayle <roger@eyesopen.com>
5493 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5495 2006-02-07 Ben Elliston <bje@au.ibm.com>
5497 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5498 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5499 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5500 (ix86_return_in_memory): Handle TDmode.
5501 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5502 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5504 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5506 * reorg.c (dbr_schedule): Use dump_file instead of file.
5508 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5511 * config/ia64/predicates.md (extr_len_operand): New predicate.
5512 * config/ia64/ia64.md (extv): Tighten constraints.
5514 (*tbit_and_2): Ditto.
5515 (*tbit_and_3): Ditto.
5516 (*tbit_or_2): Ditto.
5517 (*tbit_or_3): Ditto.
5521 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5524 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5526 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5528 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5529 loop_optimizer_init and loop_optimizer_finalize
5530 * tree-ssa-sink.c (execute_sink_code): Ditto.
5531 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5532 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5533 tree_ssa_loop_done): Ditto.
5534 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5535 * sched-ebb.c: Include output.h.
5536 (schedule_ebbs): Do not use dump argument.
5537 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5538 * loop.c (loop_dump_stream): Removed.
5539 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5541 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5542 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5543 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5544 loop_iterations, strength_reduce, record_biv, record_giv,
5545 final_giv_value, check_final_value, check_ext_dependent_givs,
5546 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5547 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5548 dump_file instead of loop_dump_stream.
5549 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5551 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5553 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5554 * haifa-sched.c: Include output.h
5555 (schedule_insns, sched_init): Do not use dump argument.
5556 * mode-switching.c (optimize_mode_switching): Ditto.
5557 * modulo-sched.c (stats_file): Removed.
5558 (print_node_sched_params): Do not call argument dump_file.
5559 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5560 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5562 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5564 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5565 rtl_loop_init, rtl_loop_done): Ditto.
5566 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5567 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5569 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5570 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5571 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5572 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5573 * emit-rtl.c (renumber_insns): Ditto.
5574 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5575 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5576 * regclass.c (regclass): Ditto.
5577 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5578 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5579 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5580 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5582 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5583 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5585 * gcse.c (gcse_file, debug_stderr): Removed.
5586 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5587 rest_of_handle_gcse): Do not use dump argument.
5588 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5589 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5590 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5591 compute_code_hoist_vbeinout, compute_code_hoist_data,
5592 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5593 compute_store_table, build_store_vectors, insert_insn_start_bb,
5594 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5595 store_motion): Use dump_file instead of gcse_file.
5596 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5597 * profile.c (profile_dump_file): Removed.
5598 (branch_prob): Use dump_file instead of profile_dump_file.
5599 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5601 * tree-ssa-copy.c (dump_copy_of): Ditto.
5602 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5603 dump file to life_analysis.
5604 * bt-load.c (branch_target_load_optimize): Ditto.
5605 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5607 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5608 regclass, dbr_schedule): Declaration changed.
5609 * sched-int.h (sched_init): Declaration changed.
5610 * tree-profile.c (tree_profile_dump_file): Removed.
5611 (tree_profile_hooks): Removed profile_dump_file hook.
5612 * rtl-profile (rtl_profile_dump_file): Removed.
5613 (rtl_profile_hooks): emoved profile_dump_file hook.
5614 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5616 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5617 * tree-cfg.c (build_tree_cfg): Ditto.
5618 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5619 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5620 Declaration changed.
5621 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5622 life_analysis and schedule_insns.
5623 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5625 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5627 * config/mips/mips.c (mips_reorg): Ditto.
5628 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5631 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5633 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5634 (s390_mangle_fundamental_type): New.
5635 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5638 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5639 (alpha_mangle_fundamental_type): New.
5640 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5643 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5645 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5647 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5648 (sparc_mangle_fundamental_type): New.
5650 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5652 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5653 (s390x-*-linux*): Likewise.
5654 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5655 * config/s390/t-linux: New file.
5657 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5659 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5660 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5662 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5664 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5665 (ANTIC_SAFE_LOADS): New macro.
5666 (find_or_generate_expression): Add prototype.
5667 (set_contains_value): Allow null set for sake of not always having
5668 to allocate ANTIC_SAFE_LOADS.
5669 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5670 Allow COMPONENT_REF too.
5671 (valid_in_set): Allow COMPONENT_REF.
5672 Check ANTIC_SAFE_LOADS too.
5673 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5674 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5676 (can_PRE_operation): Add COMPONENT_REF.
5677 (create_component_ref_by_pieces): New function.
5678 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5679 (insert_aux): Move AGGREGATE_TYPE_P check here.
5680 (compute_avail): Set bb local stmt uids.
5681 (pass_pre): Use TODO_update_ssa_only_virtuals.
5683 2006-02-06 Ben Elliston <bje@au.ibm.com>
5685 * configure.ac: Unconditionally disable decimal float by default.
5686 * configure: Regenerate.
5688 2006-02-06 Ben Elliston <bje@au.ibm.com>
5690 * read-rtl.c (read_name): Terminate reading on EOF.
5692 2006-02-06 Ben Elliston <bje@au.ibm.com>
5694 * dfp.c (decimal_real_arithmetic): Change second argument type
5695 from int to enum tree_code. Do not always return true, but now
5696 return result of any call to decimal_do helper functions.
5697 * dfp.h (decimal_real_arithmetic): Update prototype.
5699 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5701 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5703 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5706 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5709 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5711 * tree-vrp.c (cfg_loops): Removed.
5712 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5713 Use current_loops instead of cfg_loops. Pass flags to
5714 loop_optimizer_init.
5715 * cfgloopmanip.c (fix_loop_structure): Update only available
5717 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5718 loop_optimizer_init.
5719 * modulo-sched.c (build_loops_structure): Removed.
5720 (sms_schedule): Use loop_optimizer_init.
5721 * loop-init.c (loop_optimizer_init): Use flags to determine
5722 which properties of loops to prepare.
5723 (rtl_loop_init): Pass flags to loop_optimizer_init.
5724 * tree-ssa-sink.c (execute_sink_code): Ditto.
5725 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5726 * tree-ssa-pre.c (init_pre): Ditto.
5727 * cfgloop.h (LOOPS_NORMAL): New.
5728 (loop_optimizer_init): Declaration changed.
5730 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5732 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5733 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5735 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5737 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5739 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5740 * pa/t-pa64: Delete quadlib.c rule.
5741 * pa/x-ada: Revert last change.
5742 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5744 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5746 PR rtl-optimization/26087
5747 * rtlanal.c (canonicalize_condition): Do not cross basic block
5750 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5753 * config/ia64/ia64.c: Include debug.h.
5754 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5755 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5756 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5757 (process_epilogue, process_set, process_for_unwind_directive):
5758 Output unwind info only if requested. Add CFA info if requested.
5759 Add new arguments as needed. Adjust callers.
5760 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5762 (DWARF2_FRAME_INFO): Define to zero.
5763 * config/ia64/unwind-ia64.c: Remove code that compensated for
5764 the CFA offset error fixed above.
5765 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5766 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5767 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5768 -funwind-tables and -fexceptions to enable frame info.
5769 (dwarf2out_frame_init): Define initial CFA even if
5770 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5771 DWARF2_UNWIND_INFO is nonzero, not just defined.
5772 (dwarf2out_frame_finish): Output non-EH call frame info only
5773 if DWARF2_FRAME_INFO is nonzero.
5774 (convert_cfa_to_loc_list,
5775 compute_frame_pointer_to_cfa_displacement): Define even if
5776 unwind info is not supported.
5777 (gen_subprogram_die): Use the above unconditionally. Remove
5778 legacy alternate code.
5779 * toplev.c (compile_file): Compile in call to
5780 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5781 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5783 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5784 Jakub Jelinek <jakub@redhat.com>
5786 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5787 IBM extended float format long double as "g" on powerpc*-linux.
5789 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5792 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5793 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5795 2006-02-03 Jason Merrill <jason@redhat.com>
5798 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5801 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5802 on the return slot if it's an NRV.
5804 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5806 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5807 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5808 rewrite_use): Do not handle USE_OUTER.
5809 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5810 add_iv_outer_candidates, may_replace_final_value,
5811 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5812 (find_interesting_uses_op): Functionality of
5813 find_interesting_uses_outer_or_nonlin moved here.
5814 (find_interesting_uses_outside): Use find_interesting_uses_op.
5816 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5819 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5821 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5822 Ulrich Weigand <uweigand@de.ibm.com>
5825 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5826 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5827 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5828 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5830 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5831 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5832 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5833 Define secondary reloads for TFmode moves.
5834 (constant_modes): Add TFmode.
5835 (NR_C_MODES): Set to 8.
5836 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5838 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5839 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5840 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5841 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5842 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5843 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5844 (FPR mode macro): Add TFmode.
5845 (DSF mode macro): New.
5846 (<de>, <dee> mode attributes): Removed.
5847 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5848 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5849 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5850 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5851 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5852 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5853 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5854 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5855 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5856 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5857 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5858 "*negabs<mode>2", "sqrt<mode>2"):
5859 Changed <de> to <xde>. R constraint replaced by <Rf>.
5860 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5862 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5863 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5864 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5866 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5867 "extenddftf2", "extendsftf2"): New expanders.
5868 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5869 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5870 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5871 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5873 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5874 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5875 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5876 __floatditf): Add a GCC_4.1.0 symbol version tag.
5877 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5880 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5883 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5884 Use targetm.binds_local_p instead of TREE_PUBLIC.
5886 2006-02-02 Roger Sayle <roger@eyesopen.com>
5888 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5889 on INTEGER_TYPEs to indicate that it denotes a character type.
5890 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5891 signed_char_type_node, unsigned_char_type_node and char_type_node.
5892 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5893 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5894 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5896 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5897 Daniel Berlin <dberlin@dberlin.org>
5899 * tree-tailcall.c (arg_needs_copy_p): New function.
5900 (eliminate_tail_call): Use arg_needs_copy_p.
5901 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5902 (add_virtual_phis): New function.
5904 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5906 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5907 #ignore instead of #scratch for %g7 .register directive.
5909 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5911 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5914 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5916 * flow.c (calculate_global_regs_live): Assert that there aren't any
5919 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5921 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5923 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5924 bsi_after_labels iterator.
5925 * tree-if-conv.c (find_phi_replacement_condition,
5926 replace_phi_with_cond_modify_expr): Likewise.
5927 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5928 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5930 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5932 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5934 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5937 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5938 array after growing it.
5940 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5943 * fold-const.c (fold_checksum_tree): Change type of buf.
5945 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5947 * reload.c (push_secondary_reload): Initialize t_icode.
5949 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5951 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5952 -msoft-float -mlong-double-128 only issue a warning, but don't
5953 swich to DFmode long double.
5955 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5957 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5958 has a constant equivalent, iterate over equivalents for arg0,
5959 calling simplify_relational_operation and if there's a result
5960 cheaper than X, apply fold_rtx and return the result.
5962 2006-02-01 Jan Hubicka <jh@suse.cz>
5964 * opts.c (no_unit_at_a_time_default): New global variable.
5965 (decode_options): Use it.
5966 * opts.h (no_unit_at_a_time_default): Declare.
5968 2006-02-01 Paul Brook <paul@codesourcery.com>
5970 * function.c (assign_parm_setup_reg): Use function argument promotion
5972 * expr.c (expand_expr_real_1): Use function argument promotion rules
5975 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5977 * gcc.c (process_command): Change j to 'unsigned int'.
5979 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5982 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5983 Use the corrected index for the character
5984 out of the string constant.
5986 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5988 * mode-switching.c (optimize_mode_switching): Fix size
5989 allocated for bb_info[n_entities].
5991 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5993 * gcc.c (main): Correct type that is allocated for
5994 explicit_link_files.
5996 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5998 * config/s390/s390.c (init_alignment_context): Set
5999 ALIAS_SET_MEMORY_BARRIER on the MEM.
6000 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6002 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6005 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6007 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6010 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6012 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6013 * regrename.c: Ditto.
6014 * tree-ssa-loop-im.c: Ditto.
6015 * tree-dump.c: Ditto.
6016 * tree-complex.c: Ditto.
6017 * genrecog.c: Ditto.
6018 * tree-ssa-threadupdate.c: Ditto.
6020 * java/class.c: Ditto.
6021 * java/jcf-parse.c: Ditto.
6022 * java/resource.c: Ditto.
6023 * java/except.c: Ditto.
6024 * java/jvspec.c: Ditto.
6025 * java/jcf-write.c: Ditto.
6026 * java/jcf-path.c: Ditto.
6027 * java/gjavah.c: Ditto.
6028 * java/zextract.c: Ditto.
6029 * java/jcf-io.c: Ditto.
6030 * java/jcf.h: Ditto.
6031 * java/buffer.c: Ditto.
6032 * java/lang.c: Ditto.
6033 * java/parse-scan.y: Ditto.
6034 * java/lex.c: Ditto.
6035 * java/lex.h: Ditto.
6036 * cfgloopmanip.c: Ditto.
6037 * postreload-gcse.c: Ditto.
6038 * tree-ssa-loop-manip.c: Ditto.
6039 * postreload.c: Ditto.
6040 * tree-ssa-loop-ch.c: Ditto.
6044 * diagnostic.c: Ditto.
6046 * genoutput.c: Ditto.
6048 * cfghooks.c: Ditto.
6049 * cfgloopanal.c: Ditto.
6050 * objc/objc-act.c: Ditto.
6052 * genextract.c: Ditto.
6053 * genautomata.c: Ditto.
6054 * pretty-print.c: Ditto.
6056 * cgraphunit.c: Ditto.
6059 * haifa-sched.c: Ditto.
6060 * dominance.c: Ditto.
6062 * tree-ssa-loop-ivopts.c: Ditto.
6064 * mode-switching.c: Ditto.
6065 * modulo-sched.c: Ditto.
6067 * ipa-pure-const.c: Ditto.
6069 * fix-header.c: Ditto.
6071 * tree-stdarg.c: Ditto.
6072 * ipa-utils.c: Ditto.
6073 * loop-init.c: Ditto.
6074 * ipa-inline.c: Ditto.
6077 * alloc-pool.c: Ditto.
6078 * dwarf2out.c: Ditto.
6080 * genattrtab.c: Ditto.
6081 * tree-ssa-loop-ivcanon.c: Ditto.
6085 * fortran/gfortranspec.c: Ditto.
6087 * local-alloc.c: Ditto.
6088 * langhooks.c: Ditto.
6089 * function.c: Ditto.
6090 * tree-vectorizer.c: Ditto.
6092 * ipa-type-escape.c: Ditto.
6094 * tree-if-conv.c: Ditto.
6097 * tree-data-ref.c: Ditto.
6098 * loop-unroll.c: Ditto.
6099 * treelang/treetree.c: Ditto.
6102 * ggc-common.c: Ditto.
6104 * coverage.c: Ditto.
6106 * tree-cfgcleanup.c: Ditto.
6107 * tree-ssa-pre.c: Ditto.
6108 * cfgcleanup.c: Ditto.
6109 * loop-invariant.c: Ditto.
6111 * ipa-prop.c: Ditto.
6112 * print-tree.c: Ditto.
6113 * conflict.c: Ditto.
6114 * ggc-page.c: Ditto.
6115 * sched-deps.c: Ditto.
6116 * regclass.c: Ditto.
6117 * tree-object-size.c: Ditto.
6119 * bb-reorder.c: Ditto.
6120 * resource.c: Ditto.
6121 * var-tracking.c: Ditto.
6123 * df-problems.c: Ditto.
6124 * reg-stack.c: Ditto.
6127 * sched-rgn.c: Ditto.
6128 * tree-ssa-structalias.c: Ditto.
6129 * tree-ssa-reassoc.c: Ditto.
6130 * config/darwin-c.c: Ditto.
6131 * config/darwin.c: Ditto.
6132 * config/arm/arm.c: Ditto.
6134 * collect2.c: Ditto.
6137 2006-01-31 Nicolas Pitre <nico@cam.org>
6139 * arm.md (smaxsi3): Make aware of smax_m1.
6142 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6144 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6146 2006-01-31 Richard Guenther <rguenther@suse.de>
6148 * doc/invoke.texi (-msselibm): Document.
6149 * target.h (expand_library_builtin): New target hook.
6150 * builtins.c (expand_builtin): Use expand_library_builtin.
6151 (default_expand_library_builtin): New function.
6152 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6153 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6154 (link_gcc_math_spec): Declare.
6155 (static_specs): Add link_gcc_math_spec.
6156 * expr.h (default_expand_library_builtin): Declare.
6157 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6158 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6159 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6160 * config/i386/i386.opt (msselibm): New target option.
6161 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6162 (ix86_init_sse_abi_builtins): New function.
6163 (ix86_expand_library_builtin): Likewise.
6164 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6165 (override_options): Handle error conditions wrt -msselibm.
6166 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6167 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6168 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6171 2006-01-31 Richard Guenther <rguenther@suse.de>
6172 Paolo Bonzini <bonzini@gnu.org>
6174 * doc/install.texi (--disable-libgcc-math): Document.
6176 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6178 * expr.h (expand_normal): new inline function.
6179 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6181 * dwarf2out.c: use it.
6186 * config/sparc/sparc.c: use it.
6187 * config/i386/i386.c: use it.
6188 * config/rs6000/rs6000.c: use it.
6189 * config/arm/arm.c: use it.
6190 * config/mips/mips.c: use it.
6191 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6193 2006-01-30 Roger Sayle <roger@eyesopen.com>
6195 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6196 argv to the appropriate type.
6198 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6200 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6203 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6206 * config/s390/s390.c (struct machine_function): New flag
6207 decomposed_literal_pool_addresses_ok_p.
6208 (s390_reorg): Set it before final stage of literal pool transforms.
6209 (s390_decompose_address): Only accept displacements of the form
6210 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6212 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6214 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6215 the comparison routine return.
6217 2006-01-30 Michael Matz <matz@suse.de>
6219 * global.c (find_reg): Only evict for global regs.
6220 Take n_refs into account and dump more info.
6222 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6225 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6226 (pragma_trap, pragma_nosave_low_regs): Likewise.
6227 (current_function_anonymous_args): Likewise.
6228 (sh_deferred_function_attributes): New variable.
6229 (sh_deferred_function_attributes_tail): Likewise.
6230 (print_operand): For '@', look up trap_exit attribute.
6231 (calc_live_regs): Look up trapa_handler attribute. For trapa
6232 handlers, save/restore fpscr, but don't do any other
6233 interrupt-specific saves.
6234 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6235 Fix check for partially saved registers to check for SHmedia.
6236 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6237 (sh_output_function_epilogue): Don't clear any of the removed
6239 (sh_insert_attributes): Don't check pragma_interrupt.
6240 Insert deferred attributes. Check that interrupt attribute is
6241 present for other attributes that require its presence.
6242 (sh_attribute_table): Add new attributes trapa_handler and
6244 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6245 Don't check for pragma_interrupt. Don't store argument.
6246 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6247 (sh_deferred_function_attributes): Declare.
6248 (sh_deferred_function_attributes_tail): Likewise.
6249 * sh.md (sp_switch_1): Add operand. Change generator caller.
6250 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6251 (*return_i): Don't use when trap_exit attribute is in effect.
6252 (*return_trapa): New insn pattern.
6254 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6255 setting c_target_objs and cxx_target_objs.
6256 * t-sh: Add rule for sh-c.o.
6258 2006-01-30 Richard Guenther <rguenther@suse.de>
6261 * gimplify.c (gimplify_target_expr): Handle easy cases
6262 without creating a temporary.
6264 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6266 * vec.h (safe_grow): Remove duplicated line.
6268 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6271 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6272 (expand_omp): ... here.
6273 (expand_omp_parallel): Only remove barriers for combined
6274 parallel+workshare constructs.
6276 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6280 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6281 * tree.c (build_qualified_type): Chain the new type to the original
6282 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6283 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6284 (build_pointer_type_for_mode): Only return unqualified types.
6285 (build_reference_type_for_mode): Likewise.
6287 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6289 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6290 * Makefile.in (CXX_COMPAT_WARN): Define.
6291 * configure: Regenerate.
6293 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6296 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6299 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6301 * toplev.c: Fix thinko.
6303 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6304 Marcin Dalecki <martin@dalecki.de>
6306 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6307 (push_srcloc): Use XNEW.
6308 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6310 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6312 * df-core.c (df_set_blocks): Deleted all variable.
6314 2006-01-28 Ian Lance Taylor <ian@airs.com>
6316 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6317 cgraph_output_pending_asms.
6319 2006-01-28 Zack Weinberg <zackw@panix.com>
6321 * c.opt: Add -W(no-)overlength-strings.
6322 * doc/invoke.texi: Document it.
6323 * c-opts.c (c_common_handle_option): -pedantic implies
6324 -Woverlength-strings, if not explicitly disabled already.
6325 (c_common_post_options): -Woverlength-strings defaults to off, and
6326 is always off for C++.
6327 * c-common.c (fix_string_type): Issue warning about strings longer
6328 than is portable only if warn_overlength_strings. Rearrange code
6329 a little for clarity.
6330 * configure.in: Check for -Wno-overlength-strings as well before
6331 enabling -pedantic in stage 1.
6332 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6333 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6335 * genconditions.c (write_header, write_one_condition)
6336 (write_conditions, write_writer): Consolidate very long strings
6337 that were broken up to fit in C89 portable limit. Don't use
6338 printf when fputs will do.
6340 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6342 * combine.c (simplify_comparison <AND>): Check
6343 TRULY_NOOP_TRUNCATION before start using a subreg.
6345 * config/mips/mips.md (*branch_zero<mode>,
6346 *branch_zero<mode>_inverted, *branch_equality<mode>,
6347 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6348 Remove mode check from comparisons.
6350 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6352 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6354 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6356 * expmed.c (const_mult_add_overflow_p): Remove.
6357 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6359 * recog.c (validate_replace_rtx_subexp): Remove.
6360 * recog.h: Remove the prototype for
6361 validate_replace_rtx_subexp.
6363 * integrate.h: Remove the prototype for
6364 copy_decl_for_inlining.
6365 * rtl.h: Remove the prototype for mark_constant_function.
6366 * tree-vectorizer.h: Remove the prototype for
6367 vect_strip_conversion.
6369 * modulo-sched.c (create_partial_schedule,
6370 free_partial_schedule, reset_partial_schedule): Make them
6373 * hooks.c (hook_bool_rtx_int_false): Remove.
6374 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6376 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6378 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6379 and -mlong-double-128 are incompatible.
6380 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6381 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6382 (TARGET_LIBGCC2_CFLAGS): Define.
6383 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6384 (TARGET_LIBGCC2_CFLAGS): Same.
6385 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6387 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6390 * c-typeck.c (build_binary_op): Perform implicit casts of
6391 operands before shortening them.
6393 * cfgloopmanip.c (split_loop_bb): Remove.
6394 * cfgloop.h: Remove the prototype for split_loop_bb.
6396 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6397 * cfgloop.h: Remove the prototype for
6398 flow_loop_outside_edge_p.
6400 * emit-rtl.c (init_virtual_regs): Make it static.
6401 * function.h: Remove the prototype for init_virtual_regs.
6403 * recog.c (peephole2_optimize): Make it static.
6404 * recog.h: Remove the prototype for peephole2_optimize.
6406 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6408 * df-scan.c (df_record_entry_block_defs): Check if
6409 INCOMING_RETURN_ADDR_RTX is defined.
6411 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6412 Kenneth Zadeck <zadeck@naturalbridge.com>
6414 PR rtl-optimization/24762
6415 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6416 * targhooks.c (hook_void_bitmap): New hook prototype.
6417 * targhoohs.h (hook_void_bitmap): Ditto.
6418 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6419 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6420 * target.h (live_on_entry): New function pointer.
6421 * df-scan.c (df_all_hard_regs): Removed.
6422 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6423 (df_scan_free_internal): Added df->entry_block_defs.
6424 (df_scan_alloc): Ditto.
6425 (df_scan_dump): Ditto.
6426 (df_uses_record): Plumbed flag field properly thru calls.
6427 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6428 This part fixes PR24762.
6429 (df_bb_refs_record): Added code to make the frame and arg
6430 pointers live in EH blocks.
6431 (df_refs_record): Added call to df_record_entry_block_defs.
6432 (df_record_entry_block_defs): New function.
6433 * df-core.c: Added comments to describe new artifical defs.
6434 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6435 (entry_block_defs): New field in struct df.
6436 (df_all_hard_regs): Deleted.
6437 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6438 * df-problems.c (df_ru_bb_local_compute_process_def):
6439 Added code to handle artifical defs in the entry to a function.
6440 (df_ru_bb_local_compute): Ditto.
6441 (df_rd_bb_local_compute_process_def): Ditto.
6442 (df_rd_bb_local_compute): Ditto.
6443 (df_lr_bb_local_compute): Ditto.
6444 (df_ur_bb_local_compute): Ditto.
6445 (df_urec_bb_local_compute): Ditto.
6446 (df_chain_create_bb): Ditto.
6447 (df_ur_local_finalize): Removed entry.
6448 (df_urec_init): Ditto.
6449 (df_urec_local_finalize): Ditto.
6450 (df_ri_bb_compute): Added detection of last use of pseudos.
6451 * Makefile.in (df-scan.o): Updated dependencies.
6452 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6453 * config/mips/mips.c (mips_set_live_on_entry): Added.
6454 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6456 * dce.c (marked_insn_p): Added code to handle artifical defs.
6458 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6460 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6462 (_mm_cvtsi128_si64): Likewise.
6463 (_mm_cvtsd_si64): Likewise.
6464 (_mm_cvttsd_si64): Likewise.
6465 (_mm_cvtsi64_sd): Likewise.
6466 (_mm_cvtsi64_si128): Likewise.
6467 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6468 (_mm_cvtsi64_m64): Likewise.
6469 (_m_to_int64): Likewise.
6470 (_mm_cvtm64_si64): Likewise.
6471 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6472 (_mm_cvttss_si64): Likewise.
6473 (_mm_cvtsi64_ss): Likewise.
6474 (_mm_cvtss_f32): Likewise.
6476 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6478 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6479 for pragma redefine_extname.
6481 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6484 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6485 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6486 -mno-minimal-toc to previous content.
6487 (bispecs): Remove goal.
6488 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6489 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6490 compatibility aliases on powerpc-*-*gnu*.
6491 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6492 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6493 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6494 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6495 (ldblspecs): New goal.
6496 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6497 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6499 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6500 L_sf_to_tf or L_df_to_tf is defined.
6502 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6503 Alan Modra <amodra@bigpond.net.au>
6506 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6507 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6508 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6509 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6510 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6511 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6512 (rs6000_override_options): Initialize rs6000_ieeequad.
6513 Initialize TFmode format to ibm_extended_format if not
6515 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6517 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6518 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6519 (function_arg_advance): IBM long double passed in two FPRs, not
6521 (function_arg): IBM long double passed in FPRs.
6522 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6523 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6524 Only multireg GPR aligned.
6525 (rs6000_init_libfuncs): Enable IBM long double functions if not
6527 (rs6000_generate_compare): Use IBM long double compare if not
6529 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6530 (TARGET_IEEEQUAD): Define.
6531 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6532 not TARGET_IEEEQUAD.
6533 * config/rs6000/rs6000.md: Enable TFmode patterns if
6535 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6536 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6537 and -mlong-double-128 are incompatible.
6538 * doc/invoke.texi (-mabi): Collect options together. Add
6539 ibmlongdouble and ieeelongdouble.
6541 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6543 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6545 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6546 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6547 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6548 * rtl.h (rtunion_def): Remove rt_ptr.
6550 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6551 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6552 * config/i386/winnt.c (i386_pe_mark_dllexport)
6553 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6555 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6557 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6559 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6563 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6564 pthread_key_delete. From John David Anglin. gthrw-ify
6565 pthread_getunique_np only if it it's not a macro. Delete
6567 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6568 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6569 __gthread_objc_condition_signal, __gthread_key_delete): Add
6570 "__attribute__ ((__unused__))" to unused arguments.
6571 (__gthread_recursive_mutex_init_function): Add missing return.
6572 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6573 gthr-posix95.h: Use macro-based approach for name redirection
6574 on targets missing weakref.
6576 2006-01-26 Zack Weinberg <zackw@panix.com>
6578 * genconditions.c (write_header): In generated code, #ifdef out
6579 all includes and fake declarations, except includes of bconfig.h
6580 and system.h, unless GCC_VERSION >= 3001. Do not include
6581 gensupport.h in any case.
6582 (write_conditions): Generate a definition of struct c_test. Add
6583 a comment to the generated #endif.
6584 (write_one_condition): Escape backslashes in string too.
6585 (write_writer): Generated code must escape backslashes and quote
6586 marks (but not newlines) in the strings it writes.
6587 * Makefile.in (build/gencondmd.o): Update dependencies.
6589 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6592 * Makefile.in (insn-automata.o): Add header file dependencies.
6593 * genautomata.c: Add includes.
6595 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6598 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6600 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6602 * configure.ac: Expect target tools paths to be passed from the toplevel
6603 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6605 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6607 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6610 * c.opt (Wpointer-sign): Init to -1.
6611 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6612 OPT_pedantic, to 0 otherwise.
6613 * doc/invoke.texi: Update.
6615 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6617 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6618 constants provided by 80387 instructions in the destination mode.
6620 2006-01-26 Richard Guenther <rguenther@suse.de>
6621 Andrew Pinski <pinskia@physics.uc.edu>
6624 partial PR tree-opt/17064
6625 * tree-ssa-structalias.c (intra_create_variable_infos):
6626 Create heap variables for incoming parameters if
6627 flag_argument_noalias > 1.
6628 (find_what_p_points_to): Look through default defs of
6631 2006-01-26 Jeff Law <law@redhat.com>
6634 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6635 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6636 within the VR_RANGE, use the VR_RANGE as the result, not the
6638 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6639 bounds for the type.
6641 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6643 * tree-ssa-alias.c (maybe_create_global_var): Change
6644 subvar walking to an assertion that we don't have subvar'd variables.
6646 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6649 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6650 Use a new variable, inner. PARM_DECLs are always non-weak.
6652 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6654 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6657 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6659 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6661 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6663 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6664 (smax_insn, smin_insn, smax_0, smin_0): New.
6666 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6669 * config/cris/cris.c (cris_order_for_addsi3): New function.
6670 * config/cris/cris-protos.h: Prototype it.
6671 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6672 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6673 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6674 (split for "op.S1 [rx=rx+i],ry (swapped)")
6675 (split for "op(s|u).S1 [rx=rx+i],ry")
6676 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6677 Apply cris_order_for_addsi3 when generating addsi3 insns.
6679 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6681 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6682 (TREE_BLOCK): Add call to EXPR_CHECK.
6684 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6687 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6688 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6689 (dump_omp_clauses): ... here.
6690 (dump_generic_node): Handle OMP_CLAUSE.
6691 * tree.c (omp_clause_num_ops): New.
6692 (omp_clause_code_name): New.
6693 (tree_code_size): Handle OMP_CLAUSE.
6694 (tree_size): Likewise.
6695 (make_node): Document handling of OMP_CLAUSE.
6696 (tree_node_structure): Handle OMP_CLAUSE.
6697 (omp_clause_check_failed): New.
6698 (omp_clause_range_check_failed): New.
6699 (omp_clause_operand_check_failed): New.
6700 (build_omp_clause): New.
6701 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6702 * tree.h (enum omp_clause_code): Declare.
6703 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6704 (OMP_CLAUSE_RANGE_CHECK): Define.
6705 (OMP_CLAUSE_ELT_CHECK): Define.
6706 (omp_clause_check_failed): Declare.
6707 (omp_clause_operand_check_failed): Declare.
6708 (omp_clause_range_check_failed): Declare.
6709 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6710 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6711 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6712 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6713 (OMP_CLAUSE_IF_EXPR): Likewise.
6714 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6715 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6716 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6717 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6718 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6719 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6720 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6721 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6722 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6723 (OMP_CLAUSE_CODE): Define.
6724 (OMP_CLAUSE_SET_CODE): Define.
6725 (OMP_CLAUSE_CODE): Define.
6726 (OMP_CLAUSE_OPERAND): Define.
6727 (struct tree_omp_clause): Declare.
6728 (union tree_node): Add field 'omp_clause'.
6729 * treestruct.def (TS_OMP_CLAUSE): Define.
6730 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6731 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6732 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6733 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6734 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6735 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6736 (OMP_CLAUSE): Define.
6737 * print-tree.c (print_node): Handle OMP_CLAUSE.
6738 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6739 * c-typeck.c: Likewise.
6740 * gimplify.c: Likewise.
6741 * c-omp.c: Likewise.
6742 * tree-nested.c: Likewise.
6743 * tree-inline.c: Likewise.
6744 * c-parser.c: Likewise.
6745 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6748 2006-01-25 Roger Sayle <roger@eyesopen.com>
6750 PR rtl-optimization/25703
6751 * combine.c (try_combine): Handle zero_extract and strict_low_part
6752 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6754 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6756 * global.c: Fix comment typos.
6758 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6761 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6762 Use output_addr_const instead of assemble_name.
6764 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6766 * Makefile.in (sched-vis.o): Update dependencies.
6767 * haifa-sched.c (sched_finish): Clear current_sched_info.
6768 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6769 (dump_flow_info): Call it.
6770 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6772 * basic-block.h (dump_bb_info): Declare.
6773 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6774 option, and apply options only for dump files whose TDF_RTL,
6775 TDF_TREE, or TDF_IPA bits match.
6776 * rtl.h: Declare new functions exported from sched-vis.c.
6777 * sched-vis.c: Enable also if scheduling is not used.
6778 (print_value): Print the mode of registers if not inside scheduling.
6779 (print_insn): Make it work outside the scheduler. Beautify the output
6781 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6783 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6785 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6786 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6787 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6788 depending on the value of CONSTANT_POOL_ADDRESS_P.
6789 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6791 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6792 rather than SYMBOL_REF_DECL.
6793 (rtx_constant_pool): Remove const_rtx_sym_htab.
6794 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6795 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6796 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6797 Remove handling of const_rtx_sym_htab.
6798 (find_pool_constant): Delete.
6799 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6800 rather than find_pool_constant.
6801 (get_pool_constant_for_function): Delete.
6802 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6804 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6805 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6806 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6807 (SYMBOL_REF_CONSTANT): New macro.
6808 (get_pool_constant_for_function): Delete.
6809 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6810 rather than SYMBOL_REF_DECL.
6811 (i386_pe_mark_dllimport): Likewise.
6812 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6813 rather than SYMBOL_REF_DECL.
6814 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6815 (machopic_indirect_call_target): Likewise.
6817 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6819 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6821 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6823 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6825 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6827 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6829 2006-01-24 David Daney <ddaney@avtrex.com>
6832 * configure.ac (enable_tls): New enable option.
6833 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6834 * configure: Regenerate.
6835 * doc/install.texi (--enable-tls): Document new option.
6836 (--disable-tls): Ditto.
6838 2006-01-24 Richard Henderson <rth@redehat.com>
6840 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6841 * alias.c (true_dependence): Respect it.
6842 (canon_true_dependence, write_dependence_p): Likewise.
6843 * builtins.c (get_builtin_sync_mem): Set it.
6845 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6847 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6850 2006-01-24 DJ Delorie <dj@redhat.com>
6852 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6853 for storing constants in single-bit bitfields.
6855 2006-01-25 Ben Elliston <bje@au.ibm.com>
6857 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6859 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6862 * tree-ssa-pre.c (phi_translate): Return NULL
6863 for AGGREGATE_TYPE's.
6865 2006-01-24 Zack Weinberg <zackw@panix.com>
6867 * genautomata.c (process_state_for_insn_equiv_partition):
6868 Use xcalloc for insn_arcs_array.
6869 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6870 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6872 2006-01-24 Richard Henderson <rth@redhat.com>
6874 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6877 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6879 PR rtl-optimization/25890
6880 PR rtl-optimization/25905
6881 * combine.c (expand_compound_operation, expand_field_assignment):
6882 Fail if the bitfield's final position is out of bounds.
6884 2006-01-24 Ian Lance Taylor <ian@airs.com>
6887 * cgraphunit.c (cgraph_output_in_order): Don't clear
6888 cgraph_asm_nodes until after asm strings have been output.
6890 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6892 * fix-header.c (read_scan_file): Add new parameter imultilib when
6893 calling register_include_chains.
6895 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6897 * omp-low.c: Update documentation.
6899 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6900 Daniel Berlin <dberlin@dberlin.org>
6904 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6905 return from the function.
6907 2006-01-22 Zack Weinberg <zackw@panix.com>
6909 * rtl.def (match_code): Add second argument.
6910 * genpreds.c (write_extract_subexp): New function.
6911 (write_match_code): Add path argument. Use write_extract_subexp.
6912 (write_predicate_expr): Pass path to write_match_code.
6913 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6914 not perform a mode test.
6915 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6916 a subexpression does not constrain the top-level code set.
6917 * read-rtl.c (read_rtx_variadic): New function.
6918 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6919 * doc/md.texi: Document new notation.
6920 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6921 (cmpsi_operand): ... here, using new notation.
6923 2006-01-22 Zack Weinberg <zackw@panix.com>
6925 * varray.c: Remove GENERATOR_FILE #ifdefs.
6927 2006-01-22 Zack Weinberg <zackw@panix.com>
6929 * genautomata.c (output_reserved_units_table): Emit nothing if
6930 description->query_units_num is zero. Remove extra blank line.
6931 (output_cpu_unit_reservation_p): Short circuit
6932 if description->query_units_num is zero.
6934 2006-01-22 Zack Weinberg <zackw@panix.com>
6936 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6937 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6938 nor any of the random handful of variables that used to be necessary
6939 when this program was linked with rtlanal.o. Prune set of forward
6940 function declarations.
6941 (struct attr_desc): Remove static_p field.
6942 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6943 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6944 (attr_string): Do not read the character one past the length of
6946 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6947 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6948 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6949 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6950 (make_automaton_attrs): New.
6951 (main): Do not call into genautomata. Call local gen_bypass
6952 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6953 Remove special case for insn_alts.
6954 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6955 varray.h (leftover from previous change). Prune set of forward
6956 function declarations. Remove state_alts fields from all
6957 structures. Remove state_alts_table from struct automaton.
6958 Make everything except main static. Do not maintain num_dfa_decls.
6959 Do not maintain state_alts fields of various structures.
6960 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6961 (add_arc): Remove state_alts argument. All callers updated.
6962 (output_reserved_units_table): Emit #ifdef here...
6963 (output_tables): ...not here. Don't generate state_alts tables.
6964 (expand_automata): Don't generate attributes.
6965 (write_automata): Don't generate state_alts functions.
6966 (main): New function.
6967 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6968 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6969 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6970 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6971 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6972 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6973 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6974 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6976 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6977 * genattrtab.h: Delete file.
6978 * Makefile.in (OBJS-common): Add insn-automata.o.
6979 (insn-automata.o): New rule.
6980 (simple_generated_c): Add insn-automata.c.
6981 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6982 (genprogmd): Add automata.
6983 (build/genattrtab): Needs no extra objects nor libraries.
6984 (build/genautomata): Needs build/vec.o and -lm.
6986 2006-01-22 Zack Weinberg <zackw@panix.com>
6988 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6989 (output_dfa_max_issue_rate, locked_states_num): Delete.
6990 (struct automaton): Add locked_states field.
6991 (output_dead_lock_vect): Save number of locked states in
6992 automaton->locked_states. If it is zero, don't print anything.
6993 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6994 (output_internal_dead_lock_func): Only test the dead_lock_vect
6995 for automata that have locked states.
6996 (output_statistics): Always print the number of locked states for
6997 each automaton. Calculate total number of locked states here.
6998 (write_automata): Don't call output_dfa_max_issue_rate.
6999 * genattrtab.c: Define length_unit_log as a const variable.
7000 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7001 max_insn_queue_index const.
7002 * final.c (length_unit_log): Declare const.
7003 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7005 2006-01-22 Zack Weinberg <zackw@panix.com>
7007 * genautomata.c: Include vec.h, not varray.h.
7008 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7009 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7010 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7011 VEC_* macros operating on appropriately typed vectors, or to
7012 malloced arrays when the size is known in advance. Const-ify
7013 many char* variables and function arguments. No functional changes.
7014 * Makefile.in (build/varray.o): Delete rule.
7015 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7016 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7018 2006-01-22 Zack Weinberg <zackw@panix.com>
7020 * gensupport.c: Define get_insn_name and record_insn_name here.
7021 (read_md_rtx): Call record_insn_name as appropriate.
7022 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7023 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7024 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7026 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7027 (BUILD_VARRAY): Delete.
7028 (genprognormal): Rename genprogmd. Fold in all programs from
7029 genprognoprint; also attrtab.
7030 (build/genattrtab): Just mention genautomata.o and varray.o.
7031 Reorganize a bit, add comments to make the categories clearer.
7033 2006-01-22 Zack Weinberg <zackw@panix.com>
7035 * genconditions.c (condition_table, add_condition): Delete.
7036 (write_conditions): Don't emit n_insn_conditions nor
7037 insn_elision_unavailable. Issue the gcc version #ifdef here,
7038 inside the table, with no #else clause ...
7039 (write_header): ...not here.
7040 (write_writer): New function.
7041 (main): Don't initialize condition_table. Use add_c_test.
7043 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7044 files on the command line.
7045 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7046 Return -1 if there is no entry in the table, don't abort.
7047 (add_c_test, traverse_c_tests): New functions.
7048 * gensupport.h (insn_elision_unavailable, insn_conditions)
7049 (n_insn_conditions): Delete declarations.
7050 (add_c_test, traverse_c_tests): Declare.
7051 * read-rtl.c: Include gensupport.h.
7052 (read_conditions): New function.
7053 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7054 (read_rtx_1): If we get EOF when we were looking for an initial
7055 open paren, return 0. Call read_conditions when appropriate.
7056 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7057 dummy-conditions.o. Eliminate references to insn-conditions.o,
7058 or change them to build/gencondmd.o, as appropriate. Remove
7059 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7060 from $(simple_generated_c). For all files remaining in those
7061 two lists, add insn-conditions.md to the generator command line.
7062 Give insn-constants.h/s-constants their own rules. Add rules
7063 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7064 (build/read-rtl.o): Depend on gensupport.h.
7065 (genprognormal): Include preds.
7066 (genprogearly): Rename genprognoprint; only difference is now that
7067 they don't link with $(BUILD_PRINT).
7068 * dummy-conditions.c: Delete.
7070 2006-01-22 Zack Weinberg <zackw@panix.com>
7072 * genextract.c: Don't include insn-config.h. Do include vec.h.
7073 Declare vectors of int, char, and locstr.
7074 (locstr): New typedef.
7075 (struct extraction): Make all array fields into bare pointers.
7076 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7077 (insn_code_number): Delete.
7078 (accum_extract): New struct.
7079 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7080 (gen_insn): Take insn_code_number as an argument. Use an
7081 accum_extract structure instead of loading data directly into
7082 a struct extraction, and having to know how big it might get.
7083 (walk_rtx): Operate entirely on an accum_extract structure.
7084 (print_path): Avoid unnecessary use of printf.
7085 (print_header): New function, split out of main. Distinguish
7086 more carefully between an unrecognizable insn and an insn that
7087 has the code number of a define_expand.
7088 (main): Pass insn_code_number to gen_insn. Call print_header
7089 only after parsing. Avoid unnecessary use of printf.
7090 * Makefile.in (build/vec.o): New rule.
7091 (build/genextract): Depend on build/vec.o.
7092 (build/genextract.o): Don't depend on insn-config.h.
7094 2006-01-22 Zack Weinberg <zackw@panix.com>
7096 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7097 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7098 practical. Eliminate per-generator-program link rules.
7100 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7103 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7104 with a call expr to ...
7105 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7107 2006-01-23 Richard Guenther <rguenther@suse.de>
7109 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7110 before make_edge with conditional EDGE_TRUE_VALUE.
7112 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7113 Jan Hubicka <jh@suse.cz>
7114 Richard Guenther <rguenther@suse.de>
7116 PR rtl-optimization/25654
7117 * cfgexpand.c (aggregate_contains_union_type): New function.
7118 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7119 for structure variables that contain a union type.
7121 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7123 * gengtype.c (new_structure): Return the structure.
7124 (create_option): Add an extra "next" argument.
7125 (create_field): New function.
7126 (adjust_field_rtx_def): Use create_option and create_field.
7127 Remove a now-unnecessary call to find_structure.
7128 (adjust_field_tree_def): Likewise.
7129 (note_yacc_type): Remove an unnecessary call to find_structure.
7130 * gengtype.h (new_structure): Return the structure.
7131 (create_option): Add an extra argument.
7132 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7133 (option): Adjust calls to create_option.
7135 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7137 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7139 2006-01-22 Paul Brook <paul@codesourcery.com>
7140 Peter Barada <peter@the-baradas.com>
7142 * config/m68k/m68k.md: Add Coldfire FPU support.
7143 Define FP mode macro and associated attributes.
7144 Use it for float mode patterns.
7145 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7146 (LIBCALL_VALUE): Use m68k_libcall_value.
7147 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7148 (m68k_function_value): Ditto.
7149 (emit_move_sequence): Ditto.
7150 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7151 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7152 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7153 (MULTILIB_EXCEPTIONS): Ditto.
7154 * config/m68k/m68k.opt: Add mcfv4e.
7155 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7156 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7157 (m68k_output_function_prologue): Save ColdFire FPU registers.
7158 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7159 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7160 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7161 ColdFire FPU registers.
7162 (m68k_libcall_value, m68k_function_value): New functions.
7163 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7164 (LIBCALL_VALUE): Use m68k_libcall_value.
7165 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7166 (MASK_COLDFIRE): Add MASK_CFV4E.
7167 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7168 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7169 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7170 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7171 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7172 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7173 * doc/invoke.tex: Document -mcfv4e on m68k.
7175 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7177 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7180 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7183 * c-opts.c (c_common_handle_option): Don't include
7184 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7185 * doc/invoke.texi (C++ Dialect Options): Document that
7186 -Wnon-virtual-dtor is no longer included in -Wall.
7188 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7190 * gcov.c (print_version), gcov-dump.c (print_version),
7191 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7194 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7196 * df-scan.c (problem_SCAN): Added NULL reset function.
7197 (df_scan_reset_blocks): Added code to call reset block function
7198 (df_bb_refs_delete) Fixed comment.
7199 (df_insn_refs_delete): Made tolerant of deleting non existent info
7200 for dataflow problems that need to be reset.
7201 * df-core.c (df_set_blocks): Ditto.
7202 * df.h (struct df_problem): Added reset_fun.
7203 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7204 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7205 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7206 functions to clear out all references to def-use or use-def chains.
7208 2006-01-21 Ben Elliston <bje@au.ibm.com>
7210 * varasm.c (assemble_real): Initialise data array.
7212 2006-01-20 Paul Brook <paul@codesourcery.com>
7214 Merge from csl-arm-branch.
7215 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7216 * config/arm/arm.md (movdi): Force operands[1] to a register
7217 if we have a non-register source.
7218 (*arm_movdi, *movdf_soft_insn): Require that one of the
7219 operands be a register.
7220 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7221 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7223 2006-01-20 DJ Delorie <dj@redhat.com>
7225 * varasm.c (initialize_constant_valid_p): Allow pointers
7226 initialized from integer constants of lesser precision.
7227 (output_constant): Allow non-int-sized pointer modes to be
7228 initialized from integer constants.
7230 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7233 * cppdefault.h (struct default_include): Add multilib flag.
7234 * cppdefault.c (cpp_include_defaults): Set it.
7235 * c.opt (-imultilib): New option.
7236 * c-opts.c (imultilib): New.
7237 (c_common_handle_option): Handle -imultilib.
7238 (c_common_post_options): Likewise.
7239 * c-incpath.c (add_standard_paths, register_include_chains):
7241 * c-incpath.h (register_include_chains): Add extra parameter.
7242 * gcc.c (do_spec_1): Generate -imultilib option.
7243 (The Specs Language): Update %I description.
7244 (process_command): Update copyright notice.
7245 * doc/cppopts.texi (-imultilib): Document.
7246 * doc/invoke.texi (-imultilib): Include in option summary.
7247 (%I): Update specs documentation.
7249 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7251 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7253 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7255 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7258 2006-01-20 Richard Guenther <rguenther@suse.de>
7259 Steven Bosscher <stevenb.gcc@gmail.com>
7261 PR rtl-optimization/24626
7262 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7263 EDGE_TRUE_VALUE if in RTL mode.
7266 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7267 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7269 2006-01-20 Dirk Mueller <dmueller@suse.com>
7272 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7273 instead of a special NOP marker.
7274 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7275 NOP marker handling.
7276 * c-common.h (empty_body_warning): Add forward declaration.
7277 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7278 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7280 2006-01-20 Paul Brook <paul@codesourcery.com>
7282 * Makefile.in (lang_checks): Keep going if mkdir fails.
7284 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7286 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7287 be able to clean out basic block when not necessary.
7288 (df_scan_free): Fixed to properly delete information if df is
7289 unused before calling df_finish.
7290 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7291 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7293 (df_bb_refs_delete): New function.
7294 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7295 * df-core.c (df_set_blocks): Added code to properly clean out
7296 unused blocks if they are not part of the blocks to consider.
7297 Added additional null check.
7298 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7299 be able to clean out basic block when not necessary
7300 * df.h (df_free_bb_function): Ditto.
7301 (df_bb_refs_delete): New function.
7302 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7303 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7304 basic block parameter to be able to clean out basic block when not
7306 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7307 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7308 Fixed to properly delete information if df is unused before
7311 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7313 PR rtl-optimization/25799
7314 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7315 Corrected confluence operator to remove bits from op2 before oring
7316 with op1 rather than removing bits from op1.
7317 (df_ru_transfer_function): Corrected test on wrong bitmap which
7318 caused infinite loop. Both of these problems were introduced in
7319 the dataflow rewrite.
7321 2006-01-19 DJ Delorie <dj@redhat.com>
7323 * reload1.c (find_reload_regs): Note the details of reload
7324 failures in the dump file.
7325 (spill_failure): Likewise.
7327 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7329 * loop-iv.c: Include df.h and hashtab.h.
7330 (enum iv_grd_result): New enum.
7331 (DF_REF_IV, DF_REF_IV_SET): New macros.
7332 (struct biv_entry): New.
7333 (df, bivs): New global variables.
7334 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7335 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7337 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7338 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7339 analyzed_for_bivness_p, record_biv): New functions.
7340 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7341 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7342 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7344 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7346 (iv_number_of_iterations): Use new interface to iv analysis.
7347 * loop-unroll.c: Do not include varray.h.
7348 (analyze_iv_to_split_insn): Use new interface to iv
7350 * loop-unswitch.c (may_unswitch_on): Ditto.
7351 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7353 (df_bb_modify): Realloc tables to the new index.
7354 (df_find_use): New function.
7355 * df.h (df_find_use): Declare.
7356 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7358 * cfgloop.h (struct rtx_iv): Remove analysed field.
7359 (iv_get_reaching_def): Removed.
7360 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7361 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7362 (loop-iv.o): Add df.h and hashtab.h dependency.
7363 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7365 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7368 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7370 (__floatundisf, __floatundidf): Likewise.
7371 * libgcc2.h (IS_IBM_EXTENDED): Define.
7373 2006-01-19 DJ Delorie <dj@redhat.com>
7375 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7377 2006-01-19 Paul Brook <paul@codesourcery.com>
7379 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7380 as nothrow when unwinding tables are disabled.
7382 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7385 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7386 of bit-field" when in system header.
7388 2006-01-19 DJ Delorie <dj@redhat.com>
7390 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7391 the 16 bit shift limit of the m16c.
7393 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7396 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7397 * config/i386/i386.c (output_set_got): Output the label if we have one
7398 for the TARGET_DEEP_BRANCH_PREDICTION case.
7400 2006-01-19 Jan Hubicka <jh@suse.cz>
7401 H.J. Lu <hongjiu.lu@intel.com>
7402 Evandro Menezes <evandro.menezes@amd.com>
7404 * invoke.texi (generic): Document
7406 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7407 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7408 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7409 (x86_use_incdec, x86_pad_returns): New variables
7410 (TARGET_CPU_DEFAULT_generic): New constant
7411 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7412 (enum processor_type): Add generic32 and generic64.
7413 * i386.md (cpu attribute): Add generic32/generic64
7414 (movhi splitter): Behave sanely when both partial_reg_dependency and
7415 partial_reg_stall are set.
7416 (K8 splitters): Enable for generic as well.
7417 * predicates.md (incdec_operand): Use TARGET_INCDEC
7418 (aligned_operand): Avoid memory mismatch stalls.
7419 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7420 * ppro.md: Enable for generic32
7421 * i386.c (generic64_cost, generic32_cost): New.
7422 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7423 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7424 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7425 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7426 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7427 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7428 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7429 x86_accumulate_outgoing_args, x86_prologue_using_move,
7430 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7431 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7433 (x86_use_incdec, x86_pad_returns): New.
7434 (override_options): Add generic32 and generic64, translate "generic"
7435 to generic32/generic64 and "i686" to "generic32", refuse
7436 "generic32"/"generic64" as arch target.
7437 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7438 (ix86_reorg): Honor PAD_RETURNS.
7440 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7442 * tree-pretty-print.c (dump_generic_node): Handle
7443 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7444 * cgraph.c (cgraph_expand_queue): Rename from
7445 cgraph_analyze_queue. Update all users.
7446 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7447 cgraph_expand_queue.
7448 (cgraph_expand_all_functions): Likewise.
7449 (cgraph_finalize_pending_functions): Remove. Update callers.
7451 * tree.h (OMP_DIRECTIVE_P): Define.
7452 (OMP_PARALLEL_FN): Define.
7453 (OMP_PARALLEL_DATA_ARG): Define.
7454 (OMP_SECTIONS_SECTIONS): Define.
7455 * tree-pass.h (pass_expand_omp): Declare.
7456 * omp-low.c (struct omp_region): Declare.
7457 (struct omp_context): Remove fields 'parallel_type',
7458 'parallel_start_ix' and 'parallel_start_additional_args'.
7460 (struct omp_for_data): Rename from struct expand_omp_for_data.
7461 (omp_regions): New static variable.
7462 (root_omp_region): New static variable.
7463 (find_omp_clause): Make static.
7464 (is_in_combined_parallel_ctx): Remove.
7465 (is_combined_parallel): New.
7466 (extract_omp_for_data): Move earlier in the file.
7467 (workshare_safe_to_combine_p): New.
7468 (get_ws_args_for): New.
7469 (determine_parallel_type): Move earlier in the file.
7470 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7472 (omp_copy_decl): Likewise.
7473 (create_omp_child_function): Likewise.
7474 (lookup_omp_region): New.
7475 (dump_omp_region): New.
7476 (debug_omp_region): New.
7477 (debug_all_omp_regions): New.
7478 (new_omp_region): New.
7479 (scan_omp_parallel): If parallel_nesting_level > 1, the
7480 directive is nested within another parallel directive.
7481 Set OMP_PARALLEL_FN.
7482 (scan_omp_for): Do not try to handle combined parallel+for
7484 Remove FIXME comment.
7485 (scan_omp_nested): Remove.
7486 (scan_omp_1): Do not call scan_omp_nested when
7487 parallel_nesting_level is > 1.
7488 Do not change the DECL_CONTEXT of local variables found.
7489 (lookup_decl_in_outer_ctx): New.
7490 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7491 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7492 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7493 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7494 If CTX is nested, lookup VAR in the outer context when
7495 building copy assignment.
7496 (lower_send_clauses): Rename from expand_send_clauses.
7497 If CTX is nested, lookup VAR in the outer context when
7498 building copy assignments.
7499 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7500 If CTX is nested, lookup VAR in the outer context when
7501 building copy assignments.
7502 (expand_parallel_call): Rename from build_parallel_call.
7503 Handle combined parallel+workshare cases.
7504 Re-implement to emit code into the CFG.
7506 (expand_omp_parallel): Re-implement to emit code into the CFG.
7507 Call move_sese_region_to_fn to outline the sub-graph
7508 containing the parallel region.
7509 (expand_omp_for_1): Remove.
7510 (expand_omp_for_generic): Re-implement to emit code into the
7512 (expand_omp_for_static_nochunk): Likewise.
7513 (expand_omp_for_static_chunk): Likewise.
7514 (expand_omp_for): Likewise.
7515 (expand_omp_sections): Likewise.
7516 (remove_exit_barriers): New.
7517 (expand_omp_synch): New.
7519 (build_omp_regions_1): New.
7520 (build_omp_regions): New.
7521 (execute_expand_omp): New.
7522 (gate_expand_omp): New.
7523 (pass_expand_omp): Define.
7524 (lower_omp_sections): Rename from expand_omp_sections.
7525 Set OMP_SECTIONS_SECTIONS.
7526 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7527 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7528 (lower_omp_single): Rename from expand_omp_simple.
7529 (lower_omp_master): Rename from expand_omp_master.
7530 (lower_omp_ordered): Rename from expand_omp_ordered.
7531 (lower_omp_critical): Rename from expand_omp_critical.
7532 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7533 (lower_omp_for): Re-implement.
7534 (lower_omp_parallel): Re-implement.
7535 (lower_regimplify): Rename from expand_regimplify.
7536 (lower_omp_1): Rename from expand_omp_1.
7537 If there are syntax errors in the program, replace every
7538 OpenMP directive with NOP.
7539 Call lower_omp_* instead of expand_omp_*.
7540 (lower_omp): Rename from expand_omp.
7542 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7543 * tree-gimple.h (enum omp_parallel_type): Remove.
7544 (gimple_boolify): Declare extern.
7545 (find_omp_clause, determine_parallel_type): Remove.
7547 * gimple-low.c (lower_omp_directive): New.
7548 (lower_stmt): Call it.
7549 (record_vars_into): Move from ...
7550 (record_vars): ... here.
7551 Call record_vars_into with current_function_decl.
7553 * gimplify.c (struct gimplify_ctx): Remove fields
7554 combined_pre_p and combined_ctxp. Update users.
7555 (get_formal_tmp_var): Add documentation.
7556 (gimple_boolify): Make extern.
7557 (gimplify_expr_in_ctx): Remove. Update callers.
7558 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7559 will always be a BIND_EXPR.
7560 (gimplify_expr): Handle OMP_RETURN_EXPR.
7561 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7562 (OMP_PARALLEL): Add 3 operands.
7563 (OMP_SECTIONS): Add 1 operand.
7564 (OMP_RETURN_EXPR): Define.
7566 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7567 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7568 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7569 creating a circular free list.
7570 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7572 * tree-flow.h (move_sese_region_to_fn): Declare.
7573 (record_vars_into): Declare.
7574 * tree-cfg.c (make_omp_sections_edges): New.
7575 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7576 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7577 OMP_SECTIONS and OMP_SECTION.
7578 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7579 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7580 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7581 (gather_blocks_in_sese_region): New.
7582 (struct move_stmt_d): Declare.
7584 (move_block_to_fn): New.
7585 (move_sese_region_to_fn): New.
7587 * passes.c (init_optimization_passes): Schedule
7588 pass_expand_omp after pass_init_datastructures.
7590 * tree-ssa-operands.c (get_expr_operands): Handle
7591 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7592 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7594 2006-01-19 Jeff Law <law@redhat.com>
7596 * tree-vrp.c (extract_range_from_assert): Refine the result range
7597 if the variable referenced by the ASSERT_EXPR has a range and
7598 either the tentative result range or the previous range is a
7601 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7603 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7605 2006-01-19 Jan Hubicka <jh@suse.cz>
7607 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7609 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7611 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7612 (expand_compound_operation, expand_field_assignment): Fail if the
7613 bit lengths of an extract operation are out of range.
7614 (make_extraction): Compute wanted_inner_mode based on the position
7615 and length of the extraction. Make it extraction_mode for non-constant
7616 positions, and do not modify offset in that case. When generating a
7617 new MEM, use a mode that can hold the extraction while keeping correct
7618 alignment. Remove code that supported MEMs wrapped by USEs.
7619 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7621 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7623 * config/s390/s390.md ("Y", "y"): New mode attribute.
7624 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7625 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7626 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7627 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7628 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7629 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7630 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7631 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7632 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7633 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7634 "addsi3", "subsi3"): Insn patterns removed.
7635 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7636 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7637 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7638 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7639 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7640 "*sub<mode>3_cconly2"): New insn patterns.
7641 ("addsi3", "subsi3"): New expanders.
7643 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7645 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7646 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7647 existing STMT_VINFO_VECTYPE if available.
7648 (vect_mark_relevant): Add special handling for stmts that are
7649 marked as STMT_VINFO_IN_PATTERN_P.
7650 (vect_analyze_loop): Call vect_pattern_recog.
7651 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7652 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7654 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7655 (vect_recog_func_ptr): New function-pointer type.
7656 * tree-vect-patterns.c: New file.
7657 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7658 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7659 (vect_pattern_recog_1): New functions.
7660 (vect_pattern_recog_funcs): New array of function pointers.
7662 * tree-vectorizer.h (ternary_op): New enum value.
7663 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7664 declaration. Revised documentation. Removed redundant dump prints.
7665 Removed redundant argument. Added support for reduction patterns.
7666 (vectorizable_reduction): Added support for reduction patterns.
7667 (vect_transform_stmt): Added support for patterns.
7669 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7670 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7671 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7672 (expand_widen_pattern_expr): New function.
7673 (init_optabs): Initialize new optabs udot_prod_optab,
7675 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7676 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7677 (expand_widen_pattern_expr): New function declaration.
7678 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7680 * tree-inline.c (estimate_num_insns_1): Added cases for new
7681 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7682 * tree-pretty-print.c (dump_generic_node): Likewise.
7683 (op_prio): Likewise.
7684 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7685 * tree-ssa-operands.c (get_expr_operands): Added case for
7687 * tree-vect-patterns.c (widened_name_p): New function.
7688 (vect_recog_dot_prod_pattern): Added function implementation.
7689 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7690 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7691 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7692 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7694 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7695 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7696 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7697 (init_optabs): Initialize new optabs widen_ssum_optab,
7699 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7700 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7701 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7702 use instead of type of def.
7703 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7704 function implementation.
7705 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7706 widen_ssumv8hi): New.
7708 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7711 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7714 * c-decl.c (add_flexible_array_elts_to_size): New function.
7715 (finish_decl): Use it.
7717 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7719 * diagnostic.h: Include options.h.
7720 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7721 dependancies for diagnostic.h.
7722 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7724 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7726 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7727 (ssa_ro_call_cache_valid): Ditto.
7728 * tree-ssa-alias.c (sort_tags_by_id): New function.
7729 (init_transitive_clobber_worklist): Ditto.
7730 (add_to_worklist): Ditto.
7731 (mark_aliases_call_clobbered): Ditto.
7732 (compute_tag_properties): Ditto.
7733 (set_initial_properties): Ditto.
7734 (compute_call_clobbered): Ditto.
7735 (compute_may_aliases): Call compute_call_clobbered and grouping.
7736 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7737 (compute_flow_insensitive_aliasing): Grouping now happens in our
7739 (setup_pointers_and_addressables): Remove clobbering related code.
7740 (add_may_alias): Ditto.
7741 (replace_may_alias): Ditto.
7742 (get_nmt_for): Ditto.
7743 (create_global_var):
7744 (is_escape_site): Return an escape_type enumeration.
7745 * tree-flow-inline.h (is_call_clobbered): Global var does not
7746 imply call clobbered.
7747 (mark_call_clobbered): Take a reason for marking this. Remove
7748 marking of globalness, and cache invalidation.
7749 (clear_call_clobbered): Remove cache invalidation code.
7750 * tree-dfa.c (dump_variable): If details is on, dump the reason
7752 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7754 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7755 (struct var_ann_d): Ditto.
7756 (enum escape_type): New.
7757 (mark_call_clobbered): Adjust prototype.
7758 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7759 are never call clobbered.
7760 Record reasons for escaping.
7761 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7762 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7763 (ssa_ro_call_cache_valid): Ditto.
7764 (clobbered_v_may_defs): Ditto.
7765 (clobbered_vuses): Ditto.
7766 (ro_call_vuses): Ditto.
7767 (clobber_stats): New.
7768 (init_ssa_operands): Zero out clobber stats.
7769 (fini_ssa_operands): Print out clobber stats.
7770 (get_call_expr_operands): Pass callee fndecl to
7772 (add_call_clobber_ops): Remove use of cache.
7773 Add use of PURE_CONST information.
7774 (add_call_read_ops): Remove use of cache.
7775 Add use of static not_read information.
7777 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7779 Introduce TLS descriptors for i386 and x86_64.
7780 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7781 (TARGET_ANY_GNU_TLS): New macro.
7782 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7783 (struct machine_function): Add tls_descriptor_call_expanded_p.
7784 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7785 (ix86_current_function_calls_tls_descriptor): Likewise.
7786 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7787 (override_options): Introduce gnu2 tls dialect.
7788 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7790 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7792 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7793 (ix86_init_machine_status): Initialize new field.
7794 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7795 (ix86_tls_module_base): New.
7796 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7797 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7798 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7799 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7800 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7801 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7802 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7803 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7804 * config/i386/predicates.md (tls_modbase_operand): New.
7805 (tp_or_register_operand): New.
7807 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7809 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7810 (look_for_address_of): Ditto.
7811 (ipa_init): Walk the function decls.
7812 (static_execute): Don't set readonly on FUNCTION_DECL's.
7814 2006-01-18 Roger Sayle <roger@eyesopen.com>
7816 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7817 for shifts where the source and destination registers are different.
7819 2006-01-18 Paul Brook <paul@codesourcery.com>
7821 Merge from csl-arm-branch.
7822 2005-03-14 Julian Brown <julian@codesourcery.com>
7823 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7824 (aeabi_llsl): Likewise.
7825 (ashrdi3): Likewise.
7826 (aeabi_lasr): Likewise.
7827 (lshrdi3): Likewise.
7828 (aeabi_llsr): Likewise.
7829 2005-03-10 Julian Brown <julian@codesourcery.com>
7830 * config.gcc: Disable shared libgcc for SymbianOS.
7831 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7833 2006-01-18 DJ Delorie <dj@redhat.com>
7835 * c-pragma.c (handle_pragma_diagnostic): New.
7836 (init_pragma): Register it.
7837 * doc/extend.texi: Document it.
7839 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7840 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7841 (diagnostic_context): Add classify_diagnostic[].
7842 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7843 as errors if they're overridden to DK_WARNING.
7844 (diagnostic_initialize): Initialize classify_diagnostic[].
7845 (diagnostic_set_kind_override): New.
7846 (diagnostic_report_diagnostic): Check for kind changes.
7847 * opts.c (common_handle_option): Take lang_mask. Update callers.
7849 * common.opt (Werror=): New.
7850 * doc/invoke.texi: Document -Werror=*
7852 2006-01-18 Jeff Law <law@redhat.com>
7854 * tree-vrp.c (test_for_singularity): Correct test for new
7855 min limit. Use operand_equal_p rather than pointer equality
7856 for testing if new min/max values are equal.
7858 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7859 using range information until after propagation and folding.
7861 2006-01-18 Richard Henderson <rth@redhat.com>
7862 Aldy Hernandez <aldyh@redhat.com>
7863 Jakub Jelinek <jakub@redhat.com>
7864 Diego Novillo <dnovillo@redhat.com>
7866 * omp-low.c: New file.
7867 * c-omp.c: New file.
7869 2006-01-18 Richard Henderson <rth@redhat.com>
7870 Jakub Jelinek <jakub@redhat.com>
7871 Diego Novillo <dnovillo@redhat.com>
7873 * doc/invoke.texi: Document -fopenmp.
7874 * tree-dump.h (debug_function): Declare.
7875 * hooks.c (hook_bool_tree_bool_false): New function.
7876 (hook_tree_tree_null): Remove.
7877 (hook_tree_tree_tree_null): New.
7878 * hooks.h: Update to match.
7879 * tree-pretty-print.c (debug_tree_chain): New.
7880 (print_generic_expr): Handle TDF_CHAIN.
7881 (dump_generic_node): Handle BLOCK.
7882 Do not abort with incomplete SWITCH_EXPRs.
7883 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7884 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7885 print space after directive name.
7886 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7887 Handle OMP_MASTER and OMP_ORDERED.
7888 Handle printing of OMP_BODY just in one place, goto
7889 dump_omp_body in the rest of OMP_* nodes that have
7891 Don't handle clause nodes here. Update omp statements to
7892 use dump_omp_clauses.
7893 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7894 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7895 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7896 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7897 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7898 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7899 Adjust output for GOMP_PARALLEL.
7900 (dump_omp_clauses): New.
7901 (print_declaration): Dump DECL_VALUE_EXPR.
7902 (op_symbol_1): Split out of op_symbol.
7903 (dumping_stmts): Remove. Update all users.
7904 * cgraph.c (cgraph_analyze_queue): New.
7905 (cgraph_add_new_function): New.
7906 * cgraph.h (cgraph_analyze_queue): Declare.
7907 (cgraph_add_new_function): Declare.
7908 (cgraph_lower_function): Remove.
7909 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7910 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7911 and TYPE_P nodes in its default clause.
7912 (empty_body_p): New.
7913 (tree_range_check_failed): New.
7915 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7916 OMP_CLAUSE_REDUCTION_MERGE,
7917 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7918 OMP_CLAUSE_PRIVATE_DEBUG,
7919 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7920 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7921 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7922 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7923 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7924 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7925 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7926 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7927 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7928 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7929 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7930 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7931 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7932 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7933 (TREE_RANGE_CHECK): New.
7934 (empty_body_p): Declare.
7935 (enum omp_clause_default_kind): New.
7936 (build_string_literal): Declare.
7937 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7938 (build5_stat, build5): Declare.
7939 * tree-pass.h (TDF_CHAIN): Define.
7940 * tree-pass.h (PROP_gimple_lomp): Define.
7941 (pass_lower_omp): Declare.
7942 * diagnostic.h (debug_tree_chain): Declare.
7943 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7945 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7946 * builtins.c (build_string_literal): Make extern.
7947 * gcc.c (include_spec_function): New.
7948 (static_spec_functions): Add it.
7949 (main): Move load of libgomp.spec ...
7950 (LINK_COMMAND_SPEC): ... here.
7951 (link_gomp_spec): New.
7952 (static_specs): Include it.
7953 (LINK_COMMAND_SPEC): Add link_gomp.
7954 (GOMP_SELF_SPECS): New.
7955 (driver_self_specs): Include it.
7956 (switch_matches): Don't mark inline.
7957 (main): Load libgomp.spec.
7958 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7959 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7960 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7961 * tree-gimple.h (enum omp_parallel): Declare.
7962 (determine_parallel_type): Declare.
7963 (omp_firstprivatize_variable): Declare.
7964 (omp_reduction_init): Declare.
7965 (diagnose_omp_structured_block_errors): Declare.
7966 (struct walk_stmt_info): Add want_return_expr.
7967 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7968 (find_omp_clause): Declare.
7969 (insert_field_into_struct): Declare.
7970 (struct walk_stmt_info): Move from tree-nested.c
7971 (walk_stmts): Declare.
7972 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7974 * cgraphunit.c (cgraph_lower_function): Make static.
7975 (cgraph_finalize_pending_functions): New.
7976 (cgraph_finalize_function): Call it.
7977 (cgraph_finalize_compilation_unit): Likewise.
7978 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7979 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7980 (BT_FN_UINT_UINT): New.
7981 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7982 DEF_FUNCTION_TYPE_VAR_4): Document.
7983 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7984 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7985 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7986 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7987 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7988 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7989 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7990 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7991 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7992 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7993 into separate files.
7994 (DEF_GOMP_BUILTIN): New.
7995 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7996 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7997 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7998 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7999 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8000 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8001 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8002 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8003 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8004 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8005 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8006 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8007 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8008 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8009 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8010 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8011 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8012 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8013 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8014 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8015 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8016 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8017 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8018 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8019 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8020 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8021 * sync-builtins.def: New file, moved from builtins.def.
8022 * omp-builtins.def: New file, moved from builtins.def.
8023 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8024 * gimple-low.c (lower_function_body): Clear data.
8025 (lower_stmt): Do not handle COMPOUND_EXPR.
8026 Remove call to print_node_brief.
8027 * c-tree.h (c_finish_omp_clauses): New prototype.
8028 (C_DECL_THREADPRIVATE_P): Define.
8029 (lookup_name_no_remap, c_omp_remap_private): Remove
8030 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8031 (check_for_loop_decls): Update decl.
8032 (lookup_name_no_remap, c_omp_remap_private): Declare.
8033 (build_indirect_ref, build_modify_expr, pushdecl,
8034 pushdecl_top_level): Move to c-common.h.
8035 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8036 before the switch, but just in the 2 places that need it.
8037 * c-decl.c (diagnose_mismatched_decls): Do not check for
8038 mismatched thread-local attributes when OLDDECL is marked
8039 threadprivate and NEWDECL has no thread-local attributes.
8040 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8041 (c_gimple_diagnostics_recursively): Rename from
8042 c_warn_unused_result_recursively. Invoke
8043 diagnose_omp_structured_block_errors.
8044 (check_for_loop_decls): Return a singular decl found.
8045 * langhooks.c (lhd_omp_predetermined_sharing): Return
8046 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8047 (lhd_omp_firstprivatize_type_sizes): New.
8048 (lhd_omp_assignment): New.
8049 (lhd_omp_predetermined_sharing): New.
8050 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8051 (struct lang_hooks_for_types): Add
8052 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8053 omp_predetermined_sharing, omp_disregard_value_expr,
8054 omp_private_debug_clause, omp_clause_default_ctor,
8055 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8056 (c_finish_omp_clauses): New.
8057 (c_finish_bc_stmt): Diagnose break within omp for.
8058 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8059 (build_unary_op): Return error_mark after reporting
8061 (build_modify_expr): Likewise.
8062 * gimplify.c: Include optabs.h and pointer-set.h.
8063 (enum gimplify_omp_var_data): Declare.
8064 (struct gimplify_omp_ctx): Declare.
8065 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8067 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8068 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8069 (splay_tree_compare_decl_uid): New.
8070 (new_omp_context): New.
8071 (delete_omp_context): New.
8072 (gimple_add_tmp_var): Call omp_add_variable.
8073 (gimplify_bind_expr): Likewise.
8074 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8075 true, disregard DECL_VALUE_EXPR on the decl if any.
8076 (gimplify_expr_in_ctx): New.
8077 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8078 omp_add_variable, omp_notice_variable, omp_is_private
8079 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8080 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8081 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8082 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8083 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8084 gimplify_omp_atomic): New.
8085 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8086 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8087 OMP_CRITICAL and OMP_ATOMIC.
8088 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8089 * c-pragma.h (enum pragma_kind): Add
8090 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8091 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8092 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8093 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8094 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8095 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8096 PRAGMA_OMP_THREADPRIVATE.
8097 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8098 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8099 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8100 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8101 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8102 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8103 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8104 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8105 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8106 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8107 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8108 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8109 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8111 (struct nesting_info): Add field_map,
8112 suppress_expansion, debug_var_chain.
8113 (create_nesting_tree): Initialize them.
8114 (lookup_field_for_decl): Use field_map.
8115 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8116 (convert_local_omp_clauses): New.
8117 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8118 (walk_body): Split out of walk_function.
8119 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8120 (convert_nonlocal_reference): Handle omp statements.
8121 (convert_local_reference): Likewise.
8122 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8123 (unnest_nesting_tree): New.
8124 (lower_nested_functions): Call it.
8125 (insert_field_into_struct): Make extern.
8126 (struct walk_stmt_info): Move to tree-gimple.h.
8127 (walk_stmts): Make extern.
8128 * omp-builtins.def: New file.
8129 * tree-iterator.c (expr_only): Clarify comment.
8130 * c-common.h (pushdecl_top_level, pushdecl,
8131 build_modify_expr, build_indirect_ref,
8132 c_finish_omp_master, c_finish_omp_critical,
8133 c_finish_omp_ordered, c_finish_omp_barrier,
8134 c_finish_omp_atomic, c_finish_omp_flush,
8135 c_finish_omp_for, c_split_parallel_clauses,
8136 omp_clause_default_kind, c_omp_sharing_predetermined,
8137 c_omp_remap_decl): Declare.
8138 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8139 (OBJS-common): Add omp-low.o.
8140 (c-omp.o, omp-low.o): Add.
8141 (gimplify.o): Add dependency on $(OPTABS_H).
8142 (GTFILES): Add omp-low.c.
8143 (gt-stringpool.h): Add.
8144 * tree-cfg.c (set_bb_for_stmt): Do not update the
8145 block-to-labels map if we are currently expanding to RTL.
8146 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8148 Handle IDENTIFIER_NODE.
8149 (tree_verify_flow_info): Do not ICE when emitting error
8150 messages about invalid labels.
8151 (dump_function_to_file): Reset CFUN before emitting the body
8153 (debug_function): New.
8154 * passes.c (init_optimization_passes): Schedule
8156 * langhooks-def.h (lhd_omp_predetermined_sharing,
8157 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8159 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8160 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8161 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8162 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8163 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8164 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8165 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8166 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8167 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8168 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8169 (LANG_HOOK_DECLS): Use them.
8171 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8172 Richard Henderson <rth@redhat.com>
8173 Jakub Jelinek <jakub@redhat.com>
8174 Diego Novillo <dnovillo@redhat.com>
8176 * c-parser.c (pragma_omp_clause): Define.
8177 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8178 (c_parser_compound_statement): Likewise.
8179 (c_parser_statement): Likewise.
8180 (c_parser_pragma): Handle omp pragmas.
8181 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8182 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8183 (c_parser_omp_clause_name, check_no_duplicate_clause,
8184 c_parser_omp_variable_list,
8185 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8186 c_parser_omp_clause_copyprivate,
8187 c_parser_omp_clause_default,
8188 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8189 c_parser_omp_clause_lastprivate,
8190 c_parser_omp_clause_nowait,
8191 c_parser_omp_clause_num_threads,
8192 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8193 c_parser_omp_clause_reduction,
8194 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8195 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8196 c_parser_omp_atomic, c_parser_omp_barrier,
8197 c_parser_omp_critical, c_parser_omp_flush,
8198 c_parser_omp_for_loop, c_parser_omp_for,
8199 c_parser_omp_master, c_parser_omp_ordered,
8200 c_parser_omp_sections_scope, c_parser_omp_sections,
8201 c_parser_omp_parallel, c_parser_omp_single,
8202 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8203 * c-pragma.c (init_pragma): Do omp pragma registration here.
8204 * c.opt (fopenmp): New flag.
8206 2006-01-18 Eric Christopher <echristo@apple.com>
8208 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8209 * config/darwin.h (GOMP_SELF_SPECS): Define.
8211 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8213 * rtl.h: Remove the prototype for reg_alloc.
8215 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8218 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8219 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8220 sjlj and dwarf2 exception handling.
8221 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8222 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8223 * pa/pa.c (function_value): Treat complex and vector types as
8225 (function_arg): Likewise. Only pass scalar floats in the floating
8226 point argument registers.
8227 * pa/t-slibgcc-dwarf-ver: New file.
8228 * pa/t-slibgcc-sjlj-ver: New file.
8229 * pa/t-slibgcc-elf-ver: Delete file.
8231 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8233 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8234 unlikely_test_section_p test.
8236 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8238 * mode-switching.c (optimize_mode_switching): Make it static.
8239 * basic-block.h: Remove the prototype for
8240 optimize_mode_switching.
8242 * modulo-sched.c (sms_schedule): Make it static.
8243 * rtl.h: Remove the prototype for sms_schedule.
8245 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8246 * rtl.h: Remove the prototype for gcse_after_reload_main.
8248 * reg-stack.c (reg_to_stack): Make it static.
8249 * rtl.h: Remove the prototype for reg_to_stack.
8251 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8253 * rtl.h: Remove the prototypes for regrename_optimize and
8254 copyprop_hardreg_forward.
8256 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8258 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8259 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8260 Test against the appropriate null constant for the mode.
8261 If 'fixup_overlap' is true, swap the operands if they overlap.
8262 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8263 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8264 alpha_split_tmode_pair and adjust for above change.
8265 * config/alpha/alpha.md (movtf_internal): Adjust call to
8266 alpha_split_tfmode_pair and rely on it to swap the operands.
8267 (movti_internal): New insn and post-reload splitter.
8268 (movti): New expander.
8270 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8272 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8275 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8277 * rtlanal.c (global_reg_mentioned_p_1,
8278 global_reg_mentioned_p): Remove.
8279 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8281 * flow.c (initialize_uninitialized_subregs): Make it static.
8282 * rtl.h: Remove the prototype for
8283 initialize_uninitialized_subregs.
8285 * function.c (instantiate_virtual_regs): Make it static.
8286 * function.h: Remove the prototype for
8287 instantiate_virtual_regs.
8289 * regmove.c (regmove_optimize, combine_stack_adjustments):
8291 * rtl.h: Remove the prototypes for regmove_optimize and
8292 combine_stack_adjustments.
8294 2006-01-17 Roger Sayle <roger@eyesopen.com>
8296 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8297 (size_cost): Encode costs in bytes so that a reg-reg addition is
8298 equivalent to COSTS_N_INSNS(1).
8299 (override_options): Use the size_cost.branch_cost as the default
8300 ix86_branch_cost when optimizing for size.
8302 2006-01-18 Ben Elliston <bje@au.ibm.com>
8304 * Makefile.in (D32PBIT_FUNCS): New.
8305 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8306 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8307 D64PBIT_FUNCS and D128PBIT_FUNCS.
8308 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8309 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8311 (decnumber_dep): Define.
8312 * doc/libgcc.texi (Decimal float library routines): New node.
8313 * config/dfp-bit.h, config/dfp-bit.c: New files.
8315 2006-01-18 Ben Elliston <bje@au.ibm.com>
8317 * expr.c (emit_move_change_mode): Always adjust addresses, not
8318 just during reload. Copy replacements only during reload.
8319 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8320 emit_move_via_integer.
8322 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8324 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8325 instead of $(srcdir) and ${srcdir}.
8327 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8331 * arm.h (struct machine_function): Add pic_reg.
8332 * arm.c (arm_pic_register): Make unsigned.
8333 (arm_override_options): Only set arm_pic_register if
8334 TARGET_SINGLE_PIC_BASE.
8335 (use_return_insn): Only test for a pic register if it is fixed.
8336 (arm_compute_save_reg0_reg12_mask): Likewise.
8337 (thumb_compute_save_reg_mask): Likewise.
8338 (legitimate_pic_operand): Factor out some known invariants.
8339 (legitimize_pic_address): If we don't have a fixed pic register,
8340 then set up a pseudo in the function entry sequence. Handle the
8341 pic base being in a pseudo.
8342 (arm_load_pic_register): Handle the pic register being in a pseudo.
8343 (arm_expand_prologue): Only set up the pic register if it is fixed.
8344 (thumb_expand_prologue): Likewise.
8345 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8346 (pic_load_addr_based_insn): Likewise.
8347 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8350 2006-01-18 Ben Elliston <bje@au.ibm.com>
8352 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8353 decimal float modes for all floating point registers.
8355 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8356 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8358 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8361 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8362 even when the pointer is not NULL.
8364 2006-01-16 Ian Lance Taylor <ian@airs.com>
8366 * common.opt (ftoplevel-reorder): New option.
8367 * cgraph.c (cgraph_asm_nodes): New global variable.
8368 (cgraph_asm_last_node): New static variable.
8369 (cgraph_order): New global variable.
8370 (cgraph_create_node): Set new order field.
8371 (cgraph_varpool_node): Likewise.
8372 (decide_is_variable_needed): Return true if not
8373 flag_toplevel_reorder.
8374 (cgraph_add_asm_node): New function.
8375 * cgraph.h (struct cgraph_node): Add order field.
8376 (struct cgraph_varpool_node): Add order field.
8377 (struct cgraph_asm_node): Define.
8378 (cgraph_asm_nodes, cgraph_order): Declare.
8379 (cgraph_add_asm_node): Declare.
8380 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8382 (cgraph_varpool_assemble_pending_decls): Call it.
8383 (cgraph_output_pending_asms): New static function.
8384 (cgraph_finalize_compilation_unit): Call it.
8385 (struct cgraph_order_sort): Define.
8386 (cgraph_output_in_order): New static function.
8387 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8388 !flag_toplevel_reorder case.
8389 * c-parser.c: Include "cgraph.h".
8390 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8392 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8393 than -fno-unit-at-a-time.
8394 * doc/invoke.texi (Option Summary): Mention
8395 -fno-toplevel-reorder.
8396 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8397 -funit-at-a-time documentation.
8399 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8400 Kazu Hirata <kazu@codesourcery.com>
8402 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8404 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8406 * Makefile.in (FUNCTION_H): New. Use it instead of
8407 function.h throughout the file.
8408 * function.h: Include tree.h.
8410 2006-01-17 Ben Elliston <bje@au.ibm.com>
8412 * recog.c: Separate some functions with whitespace.
8414 2006-01-16 Richard Henderson <rth@redhat.com>
8416 Merge from gomp branch:
8417 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8418 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8419 and rename from struct inline_data. Rename callee* to dst*;
8420 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8421 transform_new_cfg, transform_return_to_modify, and
8422 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8424 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8425 (copy_decl_for_dup): Remove.
8426 * tree-inline.c (struct inline_data): Move to header.
8427 (insert_decl_map): Export.
8428 (remap_decl): Update for member name changes. Use copy_decl hook.
8429 Allow for replacement to be a non-decl. Remove dead code.
8430 (remap_type_1): Check for existing mapping.
8431 (remap_type): Export.
8432 (remap_decls): Update for member name changes.
8433 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8434 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8435 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8436 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8437 (tree_function_versioning, build_duplicate_type): Likewise.
8438 (copy_body_r): Likewise. Export.
8439 (copy_decl_for_dup): Split into ...
8440 (copy_decl_for_dup_finish, copy_decl_to_var,
8441 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8442 (replace_ref_tree, inlining_p): Remove.
8444 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8446 * ifcvt.c (if_convert): Make it static.
8447 * rtl.h: Remove the prototype for if_convert.
8449 * local-alloc.c (local_alloc): Make it static.
8450 * rtl.h: Remove the prototype for local_alloc.
8452 * loop.c (loop_optimize): Make it static.
8453 * cfgloop.h: Remove the prototype for loop_optimize.
8456 2006-01-16 DJ Delorie <dj@redhat.com>
8458 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8461 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8463 * pa.md: Disparage copies between general and floating-point registers
8464 in 32-bit move patterns.
8466 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8469 * Makefile.in (check-%): Depend on site.exp instead of
8470 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8473 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8475 * global.c (global_alloc): Make it static.
8476 * rtl.h: Remove the prototype for global_alloc.
8478 2006-01-16 Richard Guenther <rguenther@suse.de>
8480 * tree-ssa-alias.c (struct used_part): Add write_only field.
8481 (get_or_create_used_part_for): Initialize it to true.
8482 (create_overlap_variables_for): Don't create structure variables
8483 for structures that only are written to.
8484 (find_used_portions): Handle MODIFY_EXPR to track whether a
8485 structure is only written to.
8487 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8489 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8491 * basic-block.h: Remove the prototype for
8492 partition_hot_cold_basic_blocks.
8494 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8496 * cppspec.c (lang_specific_spec_functions): Remove.
8497 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8498 * gcc.h (lang_specific_spec_functions): Remove.
8499 * gccspec.c (lang_specific_spec_functions): Remove.
8501 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8503 * combine.c (record_value_for_reg): Invalidate registers
8505 (record_dead_and_set_regs_1): Likewise, by passing them to
8506 record_value_for_reg.
8507 (record_dead_and_set_regs): Invalidate stores made by a
8508 call. We do not combine across a call, but we still
8509 relied on equivalences.
8511 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8513 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8514 vrp_int_const_binop returning non-constant nodes.
8516 2006-01-16 Paul Brook <paul@codesourcery.com>
8518 * config/m68k/m68k.c (output_move_const_into_data_reg):
8519 Output correct mnemonic for mvz and mvs.
8521 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8523 * rtl-factoring.c: Add sequence abstraction algorithm.
8524 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8525 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8527 (block_has_preserve_label): New function.
8528 * common.opt: Register new pass.
8529 * Makefile.in: Ditto.
8531 * timevar.def: Ditto.
8532 * tree-pass.h: Ditto.
8533 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8534 * rtl.h (make_jump_insn_raw): Add forward decl.
8535 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8537 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8538 Roger Sayle <roger@eyesopen.com>
8540 * fold-const.c (fold_minmax): New static function.
8541 (fold_binary) <MIN_EXPR>: Call it.
8542 <MAX_EXPR>: Likewise.
8543 * stor-layout.c (place_field): Use DECL_SIZE consistently
8544 in the computation of the new record size.
8546 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8548 * cse.c (cse_condition_code_reg): Make it static.
8549 * rtl.h: Remove the prototype for cse_condition_code_reg.
8551 * combine.c (combine_instructions): Make it static.
8552 * rtl.h: Remove the prototype for combine_instructions.
8554 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8557 * tree.c (get_file_function_name_long): Concatenate the first global
8558 object name with a string derived from the input filename of the object
8561 2006-01-16 Ben Elliston <bje@au.ibm.com>
8563 * config/i386/winnt-stubs.c: Update FSF address.
8564 * config/xtensa/ieee754-df.S: Ditto.
8565 * config/xtensa/ieee754-sf.S: Ditto.
8567 2006-01-14 Ian Lance Taylor <ian@airs.com>
8569 * ifcvt.c (noce_init_if_info): New static function, broken out of
8570 noce_process_if_block.
8571 (noce_process_if_block): Call noce_init_if_info.
8572 (check_cond_move_block): New static function.
8573 (cond_move_process_if_block): New static function.
8574 (process_if_block): Call cond_move_process_if_block.
8576 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8578 * cselib.c (hash_table): Rename to cselib_hash_table.
8579 (cselib_clear_table, discard_useless_values,
8580 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8581 cselib_init, cselib_finish): Adjust uses of hash_table.
8583 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8585 PR tree-optimization/25485
8586 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8587 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8588 is known to be false and true, respectively.
8590 2006-01-14 Richard Guenther <rguenther@suse.de>
8592 PR tree-optimization/22548
8593 PR tree-optimization/22555
8594 PR tree-optimization/22501
8595 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8596 * params.def (salias-max-array-elements): New parameter.
8597 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8598 * doc/invoke.texi (salias-max-array-elements): Document.
8599 * tree-flow-inline.h (var_can_have_subvars): We also handle
8601 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8603 * tree-ssa-structalias.c (params.h): Include.
8604 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8605 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8606 (get_constraint_for): For ADDR_EXPR operating on something
8607 containing an ARRAY_REF, add all subvars to the solution.
8608 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8609 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8610 for creating MUST_DEFs.
8611 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8613 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8615 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8617 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8618 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8619 number_of_iterations_le): New functions.
8620 (number_of_iterations_special): Removed.
8621 (number_of_iterations_exit): Do not use number_of_iterations_special.
8622 * tree.c (unsigned_type_for): Always return integer type.
8624 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8625 Richard Guenther <rguenther@suse.de>
8627 PR rtl-optimization/24257
8628 * gcse.c (find_moveable_store): Only consider a store movable
8629 when the SET_SRC of the insn can be assigned to a register.
8631 2006-01-14 Ian Lance Taylor <ian@airs.com>
8633 * tree.c (tree_not_class_check_failed): New function.
8634 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8635 (tree_not_class_check_failed): Declare.
8637 2006-01-13 Ian Lance Taylor <ian@airs.com>
8639 * reload1.c (do_output_reload): Add assertion rejecting a
8642 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8644 * combine.c (struct reg_stat): Add new fields truncation_label and
8646 (record_value_for_reg): Reset truncated_to_mode.
8647 (record_truncated_value): New function.
8648 (check_promoted_subreg): Call it. Rename to check_conversions.
8649 (combine_instructions): Rename check_promoted_subreg to
8651 (reg_truncated_to_mode): New function.
8652 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8653 (gen_lowpart_or_truncate): New function.
8654 (force_to_mode): Use it instead of gen_lowpart.
8656 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8658 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8659 VAR is a tag, not its type tag.
8661 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8663 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8664 alternatives to match style of other entries.
8665 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8667 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8669 PR tree-optimization/25771
8670 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8673 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8676 * tree-inline.c (declare_return_variable): If the return variable
8677 was marked as a non gimple complex, set the return slot variable
8678 to be a non gimple comple variable.
8680 2006-01-13 Richard Guenther <rguenther@suse.de>
8682 * builtins.c (expand_builtin_sincos): New function.
8683 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8685 (expand_builtin): Expand sincos using expand_builtin_sincos.
8687 2006-01-12 DJ Delorie <dj@redhat.com>
8689 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8690 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8691 so that constant shifts can be split.
8692 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8693 (m32c_valid_pointer_mode): Make static.
8694 (shift_gen_func_for): New.
8695 (m32c_prepare_shift): Use it. Split large const shifts into
8697 * config/m32c/predicates.md (shiftcount_operand): Allow more
8699 (longshiftcount_operand): New.
8700 * doc/md.texi (Machine Constraints): Document In6.
8702 2006-01-13 Ben Elliston <bje@au.ibm.com>
8704 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8705 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8708 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8710 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8711 to try to avoid clobbering pieces of structures when we know
8712 something about the whole structure.
8713 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8715 2006-01-13 Ben Elliston <bje@au.ibm.com>
8717 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8718 return in memory, as this is no limitation is no longer present.
8720 2006-01-12 DJ Delorie <dj@redhat.com>
8722 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8723 mova with fb, and for fb+0 -> An.
8725 * config/m32c/mov.md (peephole2): Fix enabling logic.
8727 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8728 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8729 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8730 FINI_ARRAY_SECTION_ASM_OP): Define.
8732 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8734 (m32c_legitimize_reload_address): New logic to reload FB to An.
8735 (m32c_output_reg_push): Add newline.
8736 (m32c_output_reg_pop): Likewise.
8738 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8740 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8742 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8744 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8746 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8748 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8751 2006-01-11 Ben Elliston <bje@au.ibm.com>
8753 * rtlanal.c (find_reg_note): Assert insn is not null.
8755 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8757 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8760 2006-01-11 Jeff Law <law@redhat.com>
8762 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8764 (mark_threaded_blocks, register_jump_thread): New functions.
8765 (thread_through_all_blocks): Remove unwanted argument. No
8766 longer rely on e->aux to communicate thread target info.
8767 Call mark_threaded_blocks. Release the threaded_blocks
8768 bitmap and threaded_edges vector when complete.
8769 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8770 (threaded_blocks): Remove.
8771 (tree_ssa_dominator_optimize): Remove initialization and
8772 finalization of threaded_blocks. Simplify call to
8773 thread_through_all_blocks.
8774 (thread_across_edge): Call register_jump_thread rather than
8775 storing thread information into e->aux.
8776 (free_all_edge_infos): Simplify now that e->aux is no longer
8777 used to communicate with thread_through_all_blocks.
8778 * tree-flow.h (thread_through_all_blocks): Update prototype.
8779 (register_jump_thread): Prototype.
8781 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8783 * df-core.c (df_compact_blocks, df_bb_replace): Use
8784 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8786 2006-01-11 Richard Guenther <rguenther@suse.de>
8788 PR tree-optimization/25734
8789 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8790 stop propagation after successful propagation to the LHS.
8792 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8794 * basic-block.h (control_flow_graph): Change the type of
8795 x_basic_block_info to VEC(basic_block,gc) *.
8796 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8798 (SET_BASIC_BLOCK): New.
8799 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8800 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8801 * cfgbuild.c (find_basic_blocks): Likewise.
8802 * cfglayout.c (fixup_reorder_chain): Likewise.
8803 * cfgrtl.c (create_basic_block_structure,
8804 rtl_create_basic_block): Likewise.
8805 * ifcvt.c (find_if_case_1): Likewise.
8806 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8809 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8811 * Makefile.in: Removed rotted odf.c entry.
8813 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8816 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8817 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8818 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8819 output pattern modifier, not %e.
8820 * config/cris/cris.c (cris_op_str): Update comment about pattern
8822 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8823 before falling through into...
8824 <case 'E'>: Redefined from old 'e' case.
8826 2006-01-11 Jan Hubicka <jh@suse.cz>
8829 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8831 2006-01-11 Jan Hubicka <jh@suse.cz>
8833 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8834 * i386.c (x86_decompose_lea): Kill.
8835 (ix86_rtx_costs): Kill.
8837 2006-01-11 Jan Hubicka <jh@suse.cz>
8839 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8840 * cgraph.h (cgraph_node): Add inline_decl.
8841 (cgraph_insert_node_to_hashtable): Declare.
8842 (save_inline_function_body): Declare.
8843 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8845 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8846 (cgraph_function_versioning): Update call of tree_function_versioning.
8847 (save_inline_function_body): New function.
8848 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8849 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8850 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8851 (cgraph_default_inline_p): Likewise.
8852 (cgraph_decide_inlining_incrementally): Likewise.
8853 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8854 (copy_bb): Kill saving; do updating of clones.
8855 (copy_cfg_body): Kill saving.
8856 (initialize_inlined-parameters): Likewise.
8857 (expand_call_inline): Likewise.
8859 (tree_function_versioning): New parameter "update_clones".
8860 (inlining_p): Kill saving.
8861 * tree-inline.h (tree_function_versioning): Update prototype.
8862 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8865 2006-01-11 Ian Lance Taylor <ian@airs.com>
8867 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8868 Allow undoing set of machine mode.
8869 (do_SUBST): Use enums instead of is_int.
8870 (do_SUBST_MODE): New function.
8871 (SUBST_MODE): New macro.
8872 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8873 reg and trying to replace reg_regno_rtx with a new register.
8874 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8875 (simplify_set): Use SUBST_MODE.
8876 (distribute_notes): Remove code that tried to update reg notes
8877 for regno_reg_rtx changes.
8879 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8881 PR tree-optimization/23109
8882 PR tree-optimization/23948
8883 PR tree-optimization/24123
8885 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8886 * tree-cfg.c (single_noncomplex_succ): New.
8887 * tree-flow.h (single_noncomplex_succ): Declare it.
8888 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8889 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8890 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8891 insert_bb, register_division_in, insert_reciprocals,
8892 replace_reciprocal, free_bb): New.
8893 (execute_cse_reciprocals_1): Rewritten.
8894 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8895 Do not commit any edge insertion. Always compute dominators and
8896 create the allocation pool.
8897 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8898 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8899 * targhooks.c (default_min_divistions_for_recip_mul): New.
8900 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8901 * passes.c (init_optimization_passes): Run recip after tree loop
8903 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8905 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8906 Kenneth Zadeck <zadeck@naturalbridge.com>
8908 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8909 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8910 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8911 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8912 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8913 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8914 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8915 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8916 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8917 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8918 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8919 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8920 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8921 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8922 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8923 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8924 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8925 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8926 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8927 DF_SCAN_POST_ALLOC): New macros.
8928 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8929 df_free_bb_function, df_local_compute_function, df_init_function,
8930 df_dataflow_function, df_confluence_function_0,
8931 df_confluence_function_n, df_transfer_function,
8932 df_finalizer_function, df_free_function, df_dump_problem_function,
8933 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8934 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8935 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8936 df_urec_bb_info, ) New types.
8937 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8939 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8940 df_analyze_simple_change_some_blocks,
8941 df_analyze_simple_change_one_block, df_compact_blocks,
8942 df_bb_replace, df_bb_regno_last_use_find,
8943 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8944 df_insn_regno_def_p, df_find_def, df_find_use,
8945 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8946 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8947 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8948 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8949 debug_df_chain, df_get_dependent_problem, df_chain_create,
8950 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8951 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8952 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8953 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8954 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8955 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8956 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8957 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8958 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8959 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8960 df_reorganize_refs, df_set_state, df_hard_reg_init,
8961 df_read_modify_subreg_p) New public functions.
8962 * df-core.c: The core dataflow solver and glue routines for rtl
8964 (df_init, df_add_problem, df_set_blocks, df_finish,
8965 df_hybrid_search_forward, df_hybrid_search_backward,
8966 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8967 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8968 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8969 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8970 df_reg_defined, df_find_use, df_reg_used, df_dump,
8971 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8972 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8973 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8974 debug_df_useno, reset_df_after_reload): New functions.
8975 * df-scan.c: The scanning fuctions, once in df.c, completely
8976 rewritten so that they now fully model the functionality of
8977 register usage at the backend.
8978 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8979 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8980 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8981 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8982 df_get_artificial_defs, df_get_artificial_uses,
8983 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8984 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8985 df_refs_delete, df_reorganize_refs, df_set_state,
8986 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8987 df_def_record_1, df_defs_record, df_uses_record,
8988 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8989 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8990 df_record_exit_block_uses, df_hard_reg_init): New functions.
8992 * df-problems.c: Seven concrete dataflow problems that use the
8993 scanning in df-scan.c and are solved by the engine in df-core.c.
8994 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8995 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8996 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8997 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8998 df_ru_free_bb_info, df_ru_alloc,
8999 df_ru_bb_local_compute_process_def,
9000 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9001 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9002 df_ru_transfer_function, df_ru_free, df_ru_dump,
9003 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9004 df_rd_free_bb_info, df_rd_alloc,
9005 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9006 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9007 df_rd_transfer_function, df_rd_free, df_rd_dump,
9008 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9009 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9010 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9011 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9012 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9013 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9014 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9015 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9016 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9017 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9018 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9019 df_urec_mark_reg_use_for_earlyclobber,
9020 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9021 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9022 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9023 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9024 df_chain_create_bb_process_use, df_chain_create_bb,
9025 df_chain_finalize, df_chain_free, df_chains_dump,
9026 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9027 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9028 df_reg_lifetime): New functions.
9029 * df.c: Deleted file.
9030 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9031 consistent with new df api.
9032 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9033 rest_of_handle_sms): Ditto.
9034 * web.c (unionfind_union, union_defs, entry_register, web_main):
9036 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9037 invariant_expr_equal_p, find_defs, check_dependencies,
9038 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9039 free_inv_motion_data, move_loop_invariants): Ditto.
9040 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9041 Update dependencies.
9042 (odf.c): Added defective entry that was deleted later in day.
9043 * sched-deps.c (sched_analyze_1): Ditto.
9045 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9047 * tree-ssa-operands.c (get_expr_operands): Record addressable
9048 variables directly. Do not call add_stmt_operands for CONST_DECLs
9050 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9051 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9053 2006-01-11 Ben Elliston <bje@au.ibm.com>
9055 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9056 function returns true in the positive case.
9058 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9061 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9062 for SI, DI, SF and DF modes. Add alternatives to copy between
9063 general and floating point registers to the 32-bit patterns.
9064 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9065 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9066 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9067 generating 64-bit code.
9068 * config/pa/pa.c (output_move_double): Handle copies between general
9069 and floating registers.
9071 2006-01-10 Stuart Hastings <stuart@apple.com>
9073 * config/i386/i386.md (set_got): Update.
9074 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9075 (builtin_setjmp_receiver): Mach-O support.
9076 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9077 (GOT_SYMBOL_NAME): Define.
9078 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9079 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9080 * config/i386/i386.c (override_options): Revise for Darwin.
9081 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9082 support. (darwin_x86_file_end): New. (output_set_got): Add label
9083 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9084 * config/i386/i386-protos.h (output_set_got): Likewise.
9085 * config/darwin.c (machopic_legitimize_pic_address): Update
9088 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9090 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9091 when MODE isn't BLKmode.
9093 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9095 PR rtl-optimization/25367
9096 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9098 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9101 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9102 for a negative bound.
9104 2006-01-10 Richard Guenther <rguenther@suse.de>
9106 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9107 Never override with anything constraint.
9109 2006-01-10 Jan Beulich <jbeulich@novell.com>
9111 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9112 256 bits when optimize_size.
9114 2006-01-10 Jan Beulich <jbeulich@novell.com>
9116 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9118 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9119 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9122 2006-01-10 Ben Elliston <bje@au.ibm.com>
9124 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9126 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9127 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9128 (USE_FP_FOR_ARG): Reject decimal float modes.
9129 (function_arg_advance): Likewise.
9130 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9131 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9132 point types in AltiVec vectors.
9133 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9134 (rs6000_libcall_value): Likewise.
9136 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9138 * config/xtensa/ieee754-df.S: New file.
9139 * config/xtensa/ieee754-sf.S: New file.
9140 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9141 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9142 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9144 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9146 * config/sh/predicates.md (binary_float_operator,
9147 binary_logical_operator, commutative_float_operator,
9148 equality_comparison_operator, greater_comparison_operator,
9149 less_comparison_operator, logical_operator,
9150 noncommutative_float_operator, shift_operator,
9151 symbol_ref_operand, unary_float_operator): Remove redundant
9154 2006-01-09 Jeff Law <law@redhat.com>
9156 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9157 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9158 now unused arguments. Callers updated.
9159 (eliminate_redundant_computations): Remove now unused arguments,
9161 (local_fold): Remove, no longer used.
9162 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9164 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9165 (simplify_cond): New function.
9166 (forward_propagate_into_cond): Call simplify_cond.
9168 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9170 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9171 (*vec_extractv2di_1_sse): New.
9173 2006-01-09 Ben Elliston <bje@au.ibm.com>
9175 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9177 2006-01-08 Richard Guenther <rguenther@suse.de>
9179 * tree-ssa-structalias.c (get_constraint_for): Remove
9181 (get_constraint_for_component_ref): Likewise.
9182 (do_deref): Likewise.
9183 (get_constraint_for): Likewise.
9184 (do_structure_copy): Likewise.
9185 (handle_ptr_arith): Likewise.
9186 (find_func_aliases): Likewise. Remove unused need_anyoffset
9189 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9190 Kaz Kojima <kkojima@gcc.gnu.org>
9192 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9193 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9194 (EXTRA_CONSTRAINT_C16): Remove.
9195 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9196 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9197 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9198 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9199 constants of SHmedia. Handle nested constant expressions of
9201 (andcosts): Fix the costs for SHmedia constants.
9202 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9203 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9204 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9205 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9206 (movv4hi_i, movv2si_i): Likewise.
9207 (movsi_const): Adjust the second operand of ior so to match with
9209 (movdi_const, movdi_const_32bit): Likewise.
9210 (movdi_const_16bit+1): Don't sign-extend LOW.
9211 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9213 (*double_shori): Fix the split condition. Use GEN_INT instead
9214 of get_int_mode calls. Mask lower 16-bit of the argument of
9216 (sym2GOTPLT): Remove.
9217 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9219 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9220 instead of EXTRA_CONSTRAINT_C16.
9222 2006-01-07 Ian Lance Taylor <ian@airs.com>
9223 David Edelsohn <edelsohn@gnu.org>
9225 PR rtl-optimization/25662
9226 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9227 for constant operands instead of simplify_gen_binary.
9228 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9229 after trying simplify_binary_operation
9231 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9233 * tree.c (iterative_hash_expr): Hash decls based on UID.
9235 2006-01-06 Eric Christopher <echristo@apple.com>
9237 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9238 (TARGET_UNWIND_EMIT): Fix spelling.
9239 * target.h (gcc_target): Add except_table_label.
9240 * except.c (output_function_exception_table): Use.
9241 * varasm.c (default_emit_except_table_label): New.
9242 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9244 (asm_out): Add here.
9245 * output.h (default_emit_except_table_label): Prototype.
9246 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9247 * config/darwin.c (darwin_emit_except_table_label): Define.
9248 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9250 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9252 PR tree-optimization/18527
9253 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9254 number_of_iterations_special, number_of_iterations_exit):
9255 Move base and step of an iv to a single structure. Add
9256 no_overflow flag, and use it in # of iterations analysis.
9257 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9258 folded_casts argument.
9259 (simple_iv): Pass base and step in a structure. Set no_overflow
9261 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9262 Evaluate expensiveness of computing # of iterations instead of
9263 the final expression.
9264 * tree-scalar-evolution.h (affine_iv): New structure.
9265 (simple_iv): Declaration changed.
9266 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9267 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9268 find_givs_in_stmt): Changed due to simple_iv change.
9270 2006-01-06 Jeff Law <law@redhat.com>
9273 * tree-cfg.c (bsi_replace): Rename final argument from
9274 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9275 change (stmt -> orig_stmt).
9276 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9277 (bsi_remove): Add new argument. Remove EH information
9279 (verify_eh_throw_table_statements): New function.
9280 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9282 * tree-optimize.c (execute_free_cfg_annotations): Verify
9283 the EH throw statement table after removing annotations.
9284 * except.h (verify_eh_throw_table_statements): Prototype.
9285 * tree-flow.h (bsi_remove): Update prototype.
9286 * tree-vrp.c (remove_range_assertions): Add new argument to
9288 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9289 * tree-complex.c (expand_complex_div_wide): Likewise.
9290 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9291 * tree-tailcall.c (eliminate_tailcall): Likewise.
9292 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9293 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9294 * tree-nrv.c (tree_nrv): Likewise.
9295 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9296 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9297 (combine_blocks): Likewise.
9298 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9299 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9300 (cleanup_control_flow): Likewise.
9301 (remove_forwarder_block): Likewise.
9302 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9303 * tree-sra.c (sra_replace): Likewise.
9304 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9305 (forward_propagate_single_use_vars): Likewise.
9306 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9307 * tree-inline.c (expand_call_inline): Likewise.
9308 * tree-vect-transform.c (vect_transform_loop): Likewise.
9309 * tree-outof-ssa.c (rewrite_trees): Likewise.
9310 * tree-cfg.c (make_goto_expr_edges): Likewise.
9311 (cleanup_dead_labels): Likewise.
9312 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9313 (bsi_move_before, bsi_move_after): Likewise.
9314 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9315 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9317 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9320 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9322 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9323 on non gimple variables. Also add checks at the top for decls and
9325 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9327 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9328 and IMAGPART_EXPR for creating MUST_DEFs.
9329 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9330 and NAME_MEMORY_TAG separately from the DECLs.
9332 2006-01-06 Richard Guenther <rguenther@suse.de>
9334 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9335 annotation, if necessary.
9336 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9337 redundant calls to update_stmt.
9338 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9341 2006-01-05 Richard Henderson <rth@redhat.com>
9343 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9345 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9347 * c-typeck.c: Update copyright date.
9349 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9351 * c-typeck.c (build_c_cast): Always warn when casting
9352 from a pointer to an integer of different size, even if
9353 the node was constant.
9355 2006-01-05 Richard Guenther <rguenther@suse.de>
9357 PR tree-optimization/22555
9358 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9359 if one structure field is an array.
9360 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9361 operands even if we found a subvar, but ignore VOPs in this
9363 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9365 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9367 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9370 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9372 2006-01-05 Richard Guenther <rguenther@suse.de>
9373 Diego Novillo <dnovillo@redhat.com>
9375 * tree-pass.h (TODO_remove_unused_locals): Define.
9376 * gimple-low.c (expand_var_p, remove_useless_vars,
9377 pass_remove_useless_vars): Remove. Update all users.
9378 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9379 (remove_unused_locals): New function.
9380 * tree-flow.h (remove_unused_locals): Declare.
9381 * passes.c (execute_todo): Call remove_unused_locals if
9382 TODO_remove_unused_locals is set.
9383 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9384 * tree-ssa-dce.c (pass_dce): Likewise.
9385 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9387 2006-01-05 Richard Guenther <rguenther@suse.de>
9389 * tree-flow.h (struct fieldoff): Decompose field to
9390 type, size and decl.
9391 * tree-ssa-alias.c (create_sft): Take type as parameter.
9392 (create_overlap_variables_for): Store type, size and decl
9393 in the fieldoff structure.
9394 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9396 (push_fields_onto_fieldstack): Likewise.
9397 (create_variable_info_for): Likewise. Use offset for the
9398 SFT name if the decl is not available.
9400 2006-01-04 Paul Brook <paul@codesourcery.com>
9402 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9404 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9406 * lambda-code.c (can_put_in_inner_loop): Relax
9408 (can_put_after_inner_loop): New function.
9409 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9410 (perfect_nestify): Change to make copies and modify uses.
9412 2006-01-04 Richard Henderson <rth@redhat.com>
9414 Merge from gomp branch:
9415 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9416 via integer constant.
9417 (pragma_lex): Remove.
9418 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9419 rather than parsing it.
9420 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9421 handle_pragma_extern_prefix): Add %< %> quotes.
9422 (registered_pragmas): New.
9423 (c_register_pragma_1): New.
9424 (c_register_pragma): Use it.
9425 (c_register_pragma_with_expansion): Likewise.
9426 (c_invoke_pragma_handler): New.
9427 (init_pragma): Use cpp_register_deferred_pragma directly for
9429 * c-pragma.h (enum pragma_kind): New.
9430 (pragma_handler): New.
9431 (c_invoke_pragma_handler): Declare.
9432 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9434 * c-common.h (c_common_pch_pragma): Update decl.
9435 * Makefile.in (c-parser.o): Update dependencies.
9436 (GTFILES): Add c-pragma.h.
9437 * c-parser.c (struct c_token): Add pragma_kind.
9438 (struct c_parser): Add in_pragma.
9439 (c_lex_one_token): Always initialize keyword and pragma_kind.
9440 Extract data for CPP_PRAGMA.
9441 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9442 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9443 Don't allow CPP_PRAGMA_EOL if in_pragma.
9444 (c_parser_consume_pragma): New.
9445 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9446 (c_parser_skip_to_end_of_parameter): Likewise.
9447 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9448 (c_parser_skip_to_pragma_eol): New.
9449 (c_parser_external_declaration): Handle CPP_PRAGMA.
9450 (c_parser_compound_statement_nostart): Likewise.
9451 (c_parser_statement_after_labels): Likewise.
9452 (c_parser_pragma): New.
9453 (pragma_lex): Likewise.
9454 (c_parser_pragma_pch_preprocess): New.
9455 (c_parser_new): Merge into ...
9456 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9458 2006-01-04 Jeff Law <law@redhat.com>
9461 * tree-cfg.c (bsi_replace): Remove the original statement
9462 from the EH throw statement table.
9464 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9466 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9467 make the prototype extern "C" and add throw ().
9470 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9471 and pos non-negative and pos + len <= 32.
9472 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9473 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9474 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9477 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9478 as well as sizes not multiple of component size.
9481 * function.c (instantiate_expr): New function.
9482 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9483 walk its DECL_VALUE_EXPR with instantiate_expr.
9485 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9486 DW_OP_deref{,_size} if address isn't going to be added.
9488 2006-01-04 Ben Elliston <bje@au.ibm.com>
9490 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9491 * config/fp-bit.c: Likewise.
9493 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9495 * dominance.c: Add comment about why we use DFS numbering
9498 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9499 Richard Henderson <rth@redhat.com>
9501 Merge from gomp-branch:
9502 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9503 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9505 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9507 PR rtl-optimization/25578
9508 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9509 pass a parameter to simplify_shift_const if changing ASHIFTRT
9512 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9514 * builtins.c (get_builtin_sync_mem): New function.
9515 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9516 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9517 Call get_builtin_sync_mem to generate mem rtx.
9519 2006-01-03 Richard Guenther <rguenther@suse.de>
9522 * stmt.c (add_case_node): Make sure to clear overflow flags
9525 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9527 Merge from gomp-branch.
9528 * config/sparc/sync.md: New file.
9529 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9530 UNSPECV_LDSTUB): New constants.
9531 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9532 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9533 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9536 2006-01-03 Roger Sayle <roger@eyesopen.com>
9538 * combine.c (reg_subword_p): New predicate to test whether the
9539 destination of a set refers to a subword/piece of a register.
9540 (try_combine): Generalize the code to merge the setting of a
9541 pseudo to a constant followed by a set of a subword of that
9542 register to a constant.
9544 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9546 * basic-block.h (control_flow_graph): Change the type of
9547 x_label_to_block_map to VEC(basic_block,gc) *.
9548 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9549 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9551 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9552 VEC(basic_block,heap) *.
9553 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9554 ssa_prop_fini): Adjust the uses of cfg_blocks.
9556 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9558 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9560 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9561 hashing trees instead of a pointer hash.
9562 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9563 compare for MEM_EXPR.
9565 PR rtl-optimization/25130
9566 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9567 when comparing MEMs for GCSE
9569 2006-01-03 Ben Elliston <bje@au.ibm.com>
9571 * targhooks.h (default_decimal_float_supported_p): Declare.
9572 * targhooks.c (default_decimal_float_supported_p): Define.
9573 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9574 `default_decimal_float_supported_p'.
9575 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9577 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9579 * combine.c (apply_distributive_law <SUBREG>): Check
9580 TRULY_NOOP_TRUNCATION.
9582 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9584 * dwarf2out.c (have_switched_text_section): Delete.
9585 (have_multiple_function_sections): New.
9586 (have_location_lists): Make 'bool'.
9587 (add_AT_loc_list): Use 'true' not '1'.
9588 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9589 (output_loc_list): Use have_multiple_function_sections.
9590 (output_ranges): Likewise.
9591 (dwarf2out_begin_function): Set have_multiple_function_sections if
9593 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9594 Check function_section rather than DECL_SECTION_NAME.
9595 (dwarf2out_finish): Use have_multiple_function_sections.
9596 Don't clear have_location_lists.
9598 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9599 Jan Hubicka <jh@suse.cz>
9601 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9602 case of conditional jump jumping to the next instruction.
9603 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9604 cases of conditional jump jumping to the next instruction.
9606 2006-01-02 Jan Hubicka <jh@suse.cz>
9608 * i386.c (*_cost): Add COSTS_N_INSNS.
9609 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9611 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9614 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9616 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9618 * config/arm/arm.c (all_fpus): Fix comment typo.
9619 * config/darwin.c: Likewise.
9620 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9621 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9622 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9624 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9626 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9627 (rs6000_split_compare_and_swapqhi): New.
9628 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9629 (sync_compare_and_swapqhi_internal): New.
9630 * config/rs6000/rs6000-protos.h: Declare.