1 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3 * alias.c (reg_base_value, old_reg_base_value): Change the
5 (REG_BASE_VALUE, find_base_value, record_set,
6 init_alias_analysis): Use VEC instead of VARRAY.
8 * alias.c (alias_sets): Change the type to
9 VEC(alias_set_entry,gc) *.
10 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
11 VEC instead of VARRAY.
12 (last_alias_set): Remove.
14 * cgraph.h (cgraph_edge_p): New.
15 Update the prototype of cgraph_function_versioning.
16 * cgraphunit.c (cgraph_copy_node_for_versioning,
17 cgraph_function_versioning): Use VEC instead of VARRAY.
18 * ipa-cp.c (ipcp_insert_stage): Likewise.
20 2006-04-16 Roger Sayle <roger@eyesopen.com>
23 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
24 "A op B" or "A op C", we may need to convert A to the type of B and C.
26 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
28 * target.h (struct gcc_target): Add mode_rep_extended.
29 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
30 (init_num_sign_bit_copies_in_rep): Initialize it using
32 (truncate_to_mode): Use it.
33 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
34 * targhooks.h (default_mode_rep_extended): Declare it.
35 * targhooks.c (default_mode_rep_extended): Define it.
36 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
37 default_mode_rep_extended.
38 (TARGET_INITIALIZER): Include it.
39 * doc/tm.texi (Misc): Document it.
40 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
41 (mips_truncated_to_mode): New function.
43 2006-04-16 Roger Sayle <roger@eyesopen.com>
46 * expr.c (compress_float_constant): Copy the narrow constant into
47 a new pseudo before extending it to its final width.
49 2006-04-16 Roger Sayle <roger@eyesopen.com>
50 Andrew Pinski <pinskia@gcc.gnu.org>
51 Dale Johannesen <dalej@apple.com>
54 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
55 special case code to implement V8HImode and V16QImode with SSE2.
57 2006-04-15 Roger Sayle <roger@eyesopen.com>
59 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
60 trees are constructed with a suitable tree type.
62 2006-04-15 Roger Sayle <roger@eyesopen.com>
64 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
65 (integer_onep): Likewise.
66 (integer_all_onesp): Likewise.
67 (integer_pow2p): Likewise.
68 (integer_nonzerop): Likewise.
69 (real_zerop): Likewise.
70 (real_onep): Likewise.
71 (real_twop): Likewise.
72 (real_minus_onep): Likewise.
73 (int_size_in_bytes): Likewise.
74 (host_integerp): Likewise.
76 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
78 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
79 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
80 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
82 * tree-ssa-structalias.h (alias_info): Remove num_references.
84 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
86 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
87 (output_bvb patterns): Likewise.
88 * pa.c (output_bb): Use 'bb' insn for long branch case.
89 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
90 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
91 1. Correct length operand for alternatives 1 and 2.
92 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
93 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
95 2006-04-14 Roger Sayle <roger@eyesopen.com>
97 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
98 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
99 were accidentally reverted by r112959.
101 2006-04-15 Jakub Jelinek <jakub@redhat.com>
104 * except.h (eh_region_outermost): New prototype.
105 * except.c (eh_region_outermost): New function.
106 * tree-cfg.c (find_outermost_region_in_block): Use it.
108 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
110 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
112 * reload1.c (reg_equiv_memory_loc_varray): Rename to
113 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
114 (init_reload, reload): Use VEC instead of VARRAY.
115 * reload.h: Update the prototype for
116 reg_equiv_memory_loc_varray.
118 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
119 Eric Botcazou <ebotcazou@libertysurf.fr>
121 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
124 2005-04-13 Uros Bizjak <uros@kss-loka.si>
127 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
128 to expand fallback builtin function call.
130 2006-04-14 Alan Modra <amodra@bigpond.net.au>
133 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
134 and emit libcall here in case the builtin fails.
135 (expand_builtin_strcmp): Always emit the libcall here on failure.
137 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
139 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
140 * flow.c (reg_n_info): Change the type to
141 VEC(reg_info_p,heap) *.
142 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
144 * regs.h (reg_info_p): New.
145 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
146 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
147 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
150 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
152 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
154 * params.h (MAX_SCHED_READY_INSNS): New macro.
155 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
156 past MAX_SCHED_READY_INSNS during the first scheduling pass.
157 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
158 the ready list for 1 cycle during the first scheduling pass.
159 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
161 2006-04-13 Richard Henderson <rth@redhat.com>
164 * gimple-low.c (lower_omp_directive): Remove dead code.
165 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
166 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
167 * omp-low.c (struct omp_region): Move to tree-flow.h.
168 (root_omp_region): Export.
169 (omp_regions, lookup_omp_region): Remove.
170 (determine_parallel_type): Update for struct omp_region changes.
171 (dump_omp_region): Dump regions with block numbers.
172 (new_omp_region): Take type and block instead of stmt; malloc
174 (free_omp_region_1, free_omp_regions): New.
175 (expand_parallel_call): Take entry_stmt as argument; update for
176 changes to omp_region.
177 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
178 (remove_exit_barriers): New.
179 (expand_omp_parallel): Update for struct omp_region changes.
180 (expand_omp_synch): Likewise.
181 (expand_omp): Likewise.
182 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
183 (expand_omp_for_static_chunk): Likewise.
184 (expand_omp_for): Likewise.
185 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
186 (expand_omp_sections): Similarly, with GOMP_sections_end.
187 (expand_omp_single): New.
188 (build_omp_regions_1): Update for OMP_CONTINUE.
189 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
190 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
191 OMP_SECTIONS_SECTIONS.
192 (lower_omp_single_simple): Don't emit barrier here.
193 (lower_omp_single_copy): Likewise.
194 (lower_omp_single): Fix bindings, and lower to straightline now.
195 (lower_omp_master, lower_omp_ordered): Likewise.
196 (lower_omp_critical): Likewise.
197 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
198 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
199 omp edges, free it afterward.
200 (make_omp_sections_edges): Remove.
201 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
202 (move_stmt_r): Handle OMP_CONTINUE.
203 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
204 statement pointers to basic blocks. Add type member.
205 (root_omp_region, new_omp_region, free_omp_regions): Declare.
206 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
207 * tree-inline.c (estimate_num_insns_1): Likewise.
208 * tree-pretty-print.c (dump_generic_node): Likewise.
209 * tree-ssa-operands.c (get_expr_operands): Likewise.
210 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
211 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
213 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
214 (OMP_SECTIONS_SECTIONS): Remove.
215 (OMP_SECTION_LAST): New.
216 (OMP_RETURN_NOWAIT): New.
218 2006-04-13 Roger Sayle <roger@eyesopen.com>
220 * fold-const.c (native_encode_vector, native_interpret_real):
221 Correct obvious mistakes in the previous check-in.
223 2006-04-13 Roger Sayle <roger@eyesopen.com>
225 * fold-const.c (native_encode_expr): New function to encode
226 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
227 or VECTOR_CST into a specified buffer.
228 (native_encode_int): New function.
229 (native_encode_real): New function.
230 (native_encode_complex): New function.
231 (native_encode_vector): New function.
232 (native_interpret_expr): Inverse of native_encode_expr to convert
233 a target representation into an INTEGER_CST, REAL_CST etc...
234 (native_interpret_int): New function.
235 (native_interpret_real): New function.
236 (native_interpret_complex): New function.
237 (native_interpret_vector): New function.
238 (fold_view_convert_expr): New function to constant fold/evaluate
239 a VIEW_CONVERT_EXPR of a suitable constant expression.
240 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
241 Change call of build1 to fold_build1 when constructing a
244 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
245 Ulrich Weigand <uweigand@de.ibm.com>
248 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
251 2006-04-13 Alan Modra <amodra@bigpond.net.au>
254 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
255 optimize to lo_sum for DFmode if !TARGET_FPRS.
257 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
259 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
260 delete_alias_info, compute_flow_sensitive_aliasing,
261 group_aliases): Use VEC instead of VARRAY.
262 * tree-ssa-structalias.c (update_alias_info): Likewise.
263 * tree-ssa-structalias.h (alias_info): Change the type of
264 processed_ptrs to VEC(tree,heap) *.
266 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
269 * config/sh/lib1funcs.h: New file, broken out of:
270 * config/sh/lib1funcs.asm.
271 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
273 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
274 * config/sh/lib1funcs-Os-4-200.asm: New file.
275 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
276 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
277 (EXTRA_MULTILIB_PARTS): Include it.
278 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
279 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
280 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
281 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
284 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
286 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
287 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
288 tpa_compact, root_var_init, type_var_init): Use VEC instead of
290 * tree-ssa-live.h: Include vecprim.h.
291 (tree_partition_associator_d): Change the type of
292 first_partition to VEC(int,heap) *.
293 (tpa_first_partition): Use VEC instead of VARRAY.
295 * Makefile.in (GTFILES): Move functions.h after tree.h.
296 * function.c (reset_block_changes, record_block_change,
297 check_block_change, free_block_changes): Use VEC instead of
299 * function.h (function): Change the type of
300 ib_boundaries_block to VEC(tree,gc) *.
301 * tree-inline.c (copy_cfg_body): Initialize
302 ib_boundaries_block to NULL instead of (varray_type) 0.
304 2006-04-12 Roger Sayle <roger@eyesopen.com>
306 * expr.c (emit_group_store): Correct operand order in call to
307 subreg_lowpart_offset. Always create paradoxical SUBREGs with
308 a SUBREG_BYTE of zero.
310 2006-04-12 Richard Guenther <rguenther@suse.de>
312 * profile.c (compute_branch_probabilities): Remove code
313 encapsulated in !ir_type (), which are remanents of the
314 removed RTL profiling code.
315 * rtl-profile.c: Remove.
317 2006-04-12 Alan Modra <amodra@bigpond.net.au>
319 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
320 magic NULL_RTX comment.
321 (function_arg): Store entire fp arg to mem if any part should go
323 (rs6000_arg_partial_bytes): Adjust for above change.
325 2006-04-11 Roger Sayle <roger@eyesopen.com>
327 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
328 if it hasn't been initialized by dwarf2out_init.
330 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
332 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
333 symbolic constants in branch patterns.
335 2006-04-11 Roger Sayle <roger@eyesopen.com>
337 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
339 2006-04-11 Richard Sandiford <richard@codesourcery.com>
341 PR rtl-optimization/27073
342 * gcse.c (try_replace_reg): Revert last change. Continue to search
343 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
346 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
348 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
349 aggregate types other than record and union types.
350 (function_arg): Likewise.
351 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
353 (function_value): In 64-bit mode, return objects that require it
356 2006-04-11 Roger Sayle <roger@eyesopen.com>
358 * dwarf2out.c (premark_used_types): Remove problematic prototype.
360 2006-04-11 Jakub Jelinek <jakub@redhat.com>
362 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
364 2006-04-03 Jeff Law <law@redhat.com>
367 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
368 alias information too.
370 2006-04-10 Mike Frysinger <vapier@gentoo.org>
372 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
374 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
377 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
378 (premark_used_types_helper): New.
379 (premark_used_types): New.
380 (gen_subprogram_die): Call premark_used_types.
381 (prune_unused_types_walk): Do not prune perennial dies.
382 * function.c (used_types_insert): New.
383 * function.h (struct function): Add used_types_hash field.
384 (used_types_insert): Add prototype.
385 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
386 * c-parser.c (c_parser_cast_expression): Save casted types in used
389 2006-04-11 Mark Mitchell <mark@codesourcery.com>
392 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
393 rs6000_explicit_options.float_gprs.
395 2006-04-10 Roger Sayle <roger@eyesopen.com>
397 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
398 from ix86_expand_vector_init_low_nonzero. Take an additional
399 one_var argument indicating which element is non-zero. Support
400 one_var != 0 for V4SFmode and V4SImode by permuting the result.
401 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
402 with one_var instead of ix86_expand_vector_init_low_nonzero.
404 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
406 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
407 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
408 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
409 build/genextract.o): Depend on vecprim.h.
410 * cfglayout.c, df-problems.c, function.c, genextract.c,
411 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
412 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
416 2006-04-10 Geoffrey Keating <geoffk@apple.com>
418 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
419 Declare VECs of this type.
420 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
421 (remove_children): Delete.
422 (add_dwarf_attr): Use VEC routines.
423 (add_AT_flag): Update for changes to add_dwarf_attr.
424 (add_AT_int): Likewise.
425 (add_AT_unsigned): Likewise.
426 (add_AT_long_long): Likewise.
427 (add_AT_vec): Likewise.
428 (add_AT_string): Likewise.
429 (add_AT_die_ref): Likewise.
430 (add_AT_fde_ref): Likewise.
431 (add_AT_loc): Likewise.
432 (add_AT_loc_list): Likewise.
433 (add_AT_addr): Likewise.
434 (add_AT_lbl_id): Likewise.
435 (add_AT_lineptr): Likewise.
436 (add_AT_macptr): Likewise.
437 (add_AT_offset): Likewise.
438 (add_AT_range_list): Likewise.
439 (get_AT): Use VEC_iterate.
440 (remove_AT): Use VEC_ordered_remove.
441 (free_die): Fold remove_children into here; have it use VEC_iterate.
442 (print_die): Use VEC_iterate on attrs.
443 (reverse_die_lists): Don't reverse attr lists.
444 (die_checksum): Use VEC_iterate on attrs.
445 (same_die_p): Likewise.
446 (output_location_lists): Likewise.
447 (build_abbrev_table): Likewise.
448 (size_of_die): Likewise.
449 (unmark_all_dies): Likewise.
450 (output_abbrev_section): Likewise.
451 (output_die): Likewise.
452 (prune_unused_types_walk_attribs): Likewise.
454 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
456 * doc/install.texi (*-*-solaris2*): Point to the configure page.
458 2006-04-10 Jakub Jelinek <jakub@redhat.com>
461 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
463 2006-04-09 Roger Sayle <roger@eyesopen.com>
465 * expr.c (store_constructor): Don't bother clearing target if
466 we're about to assign a vector to it using vec_init_optab.
468 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
470 * tree-ssa-alias.c (lhs_may_store_to): New function.
471 (recalculate_used_alone): Handle LHS of calls.
473 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
477 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
478 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
479 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
480 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
481 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
482 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
483 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
484 stubs. Add ".align 8" directives before all ".dword" directives.
485 (GTHREAD_USE_WEAK): Revise comment.
486 (TARGET_ATTRIBUTE_WEAK): Define.
487 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
488 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
489 * stublib.c: New file.
494 * pa.md (cbranch patterns): Revise arguments used in calls to
495 output_cbranch, output_bb and output_bvd. Add long branch length
497 (fbranch patterns): Handle long branches.
498 (jump): Revise length check. Revise arguments for output_lbranch call.
499 Add long branch length attributes.
500 (decrement_and_branch_until_zero): Add long branch length attributes.
501 (output_movb, output_parallel_addb and output_parallel_movb patterns):
502 Likewise. Revise arguments for output_parallel_addb and
503 output_parallel_movb calls.
504 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
505 output_parallel_movb and output_parallel_addb): Update prototypes.
506 * pa.c (output_cbranch): Revise arguments. Correct handling of
507 nullification in long branches.
508 (output_lbranch): Add new argument to control extraction of delay
510 (output_bb): Handle long branches.
511 (output_bvb, output_dbra, output_movb, output_parallel_movb,
512 output_parallel_addb): Likewise.
514 2006-04-09 Richard Sandiford <richard@codesourcery.com>
516 PR rtl-optimization/27073
517 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
520 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
522 * tree.h (tree_memory_tag): Add old_used_alone.
523 (SMT_OLD_USED_ALONE): New macro.
524 * tree-ssa-alias.c (recalculate_used_alone): Stop
525 marking things for renaming unnecessarily.
527 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
529 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
530 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
531 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
532 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
533 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
534 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
535 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
536 spelling convensions.
537 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
538 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
539 typos. Follow spelling conventions.
541 2006-04-07 DJ Delorie <dj@redhat.com>
543 * config/m32c/m32c.c (m32c_function_arg): Structures are always
545 (m32c_init_cumulative_args): When a function returns a structure,
546 always pass the pointer to that return area on the stack.
547 (m32c_function_arg_advance): Don't increment the parameter number
548 if we're processing the returned structure pointer.
549 (pushm_info): Reverse order of registers.
551 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
553 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
554 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
555 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
556 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
558 * tree-chrec.c (chrec_fold_multiply_poly_poly,
559 chrec_fold_multiply): Same.
560 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
561 force_expr_to_var_cost): Same.
562 * tree-mudflap.c (mf_xform_derefs_1): Same.
563 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
565 2006-04-07 David Edelsohn <edelsohn@gnu.org>
567 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
568 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
571 2006-04-07 Jan Hubicka <jh@suse.cz>
573 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
575 2006-04-07 Richard Guenther <rguenther@suse.de>
577 PR tree-optimization/26135
578 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
579 loads for store copy-prop.
580 (copy_prop_visit_stmt): Likewise.
582 2006-04-05 Robert Millan <robertmh@gnu.org>
584 * gcc/config/i386/linux.h: Add a comment to mark macros that are
585 being overriden in config/k*bsd-gnu.h.
586 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
588 * gcc/config/knetbsd-gnu.h: Ditto.
590 2006-04-06 Jan Hubicka <jh@suse.cz>
594 * coverage.c (coverage_checksum_string): Reorganize loop to not read
597 2006-04-06 Mike Stump <mrs@apple.com>
599 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
600 for HAVE_nonlocal_goto to be consistent.
601 (expand_builtin_nonlocal_goto): Likewise.
602 (expand_builtin_strcmp): Use #ifdef instead of #if
603 for HAVE_cmpstrnsi to be consistent.
605 2006-04-05 DJ Delorie <dj@redhat.com>
607 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
610 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
612 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
613 got-relative addressing for anything but SImode.
615 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
616 even if the calling function doesn't modify them.
618 2006-04-05 Richard Guenther <rguenther@suse.de>
620 PR tree-optimization/26919
621 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
622 to cgraph_estimate_size_after_inlining.
624 2006-04-05 Alan Modra <amodra@bigpond.net.au>
626 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
628 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
630 PR tree-optimization/26996
631 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
632 VECTOR_TYPE variables.
634 2006-04-05 Richard Guenther <rguenther@suse.de>
636 PR tree-optimization/26763
637 * fold-const.c (fold_comparison): Move folding of
638 PTR + CST CMP PTR + CST ...
639 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
641 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
643 * doc/install.texi (Prerequisites): Refine some wording on
644 bootstrapping and ksh.
645 Move the version numbers of DejaGnu here from the testing section
646 and fix casing of names.
647 Fix markup and clarify wording for autogen requirements.
648 Refer to GCJ instead of just java.
649 Refer to SVN instead of CVS.
650 Describe diffutils as useful instead of necessary.
651 (Downloading the source): Refer to SVN instead of CVS.
652 Adjust a link to our web site accordingly.
653 (Configuration): Fix casing of Bison.
654 (Building): Refer to SVN instead of CVS.
655 Fix a sentence on the use of Bison and remove duplicate (and
656 incorrect) version number of Bison requirement.
657 Remove one redundant list of packages needed for building.
658 (Specific): Avoid reference to CVS.
660 2006-04-04 Eric Christopher <echristo@apple.com>
662 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
663 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
664 (rs6000_handle_struct_attribute): New.
665 (rs6000_ms_bitfield_layout_p): Ditto.
667 2006-04-04 Geoffrey Keating <geoffk@apple.com>
669 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
670 NULL for dso parameter to atexit_common.
672 2006-04-04 Eric Christopher <echristo@apple.com>
674 * config/i386/i386.c (machopic_output_stub): Output \t
675 between instructions and operands.
677 2006-04-04 David Edelsohn <edelsohn@gnu.org>
679 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
680 satisfies_constraint_[IL] to explicit tests on value.
682 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
684 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
685 set_nb_iterations_in_loop): Use build_int_cst instead of
687 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
688 build_int_cst instead of convert.
690 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
692 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
693 new value 2 for incoming.
694 * function.c (expand_function_start): Call struct_value_rtx
696 * config/sparc/sparc.md: Comment updated_return.
697 * config/sparc/sparc.opt: Add -mstd-struct-return option.
698 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
699 struct return if sparc_std_struct_return and incoming is 2.
700 (print_operand): Do not adjust return if
701 sparc_std_struct_return.
703 2006-04-04 Roger Sayle <roger@eyesopen.com>
705 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
706 convert in the middle-end.
707 * expr.c (store_expr, store_constructor, get_inner_reference,
708 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
710 * tree.c (build_range_type): Likewise.
712 2006-04-04 Tom Tromey <tromey@redhat.com>
714 * doc/install.texi (Prerequisites): Mention jar.
716 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
718 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
721 2006-04-04 Matthias Klose <doko@debian.org>
723 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
725 2006-04-03 Geoffrey Keating <geoffk@apple.com>
727 * doc/extend.texi (Function Attributes): Rewrite visibility
728 attribute documentation.
729 * doc/invoke.texi (C++ Dialect Options): Rewrite
730 -fvisibility-inlines-hidden documentation to describe something
731 entirely different, although in practise compatible.
732 (Code Gen Options): Warn about system headers in -fvisibiltity=
735 * doc/extend.texi (Other Builtins): Document that
736 __builtin_nan is a compile-time constant only when its argument
739 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
741 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
742 trying to remove TRUNCATE check if all bits outside the new mode
743 are identical to the sign bit.
745 2006-04-03 Jeff Law <law@redhat.com>
747 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
748 and operand scanning in some common cases.
750 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
751 Dale Johannesen <dalej@apple.com>
754 * regclass.c (struct reg_pref): Update documentation.
755 (regclass): Set prefclass to NO_REGS if memory is the best option.
756 (record_reg_classes): Cope with a prefclass set to NO_REGS.
757 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
758 into account. For non-registers, equate an empty preferred
759 reload class to a `!' in the constraint; move the if clause to
760 do so after those that reject the insn.
761 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
763 (find_dummy_reload): Likewise.
764 * doc/tm.texi (Register Classes): Document what it means
765 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
766 * config/i386/i386.c (ix86_preferred_reload_class): Force
767 using SSE registers (and return NO_REGS for floating-point
768 constants) if math is done with SSE.
769 (ix86_preferred_output_reload_class): New.
770 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
771 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
772 * config/i386/i386.md: Remove # register preferences.
774 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
777 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
778 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
780 (instantiate_parameters_1): Convert the operands before calling
781 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
782 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
784 2006-04-02 Roger Sayle <roger@eyesopen.com>
786 * builtins.c (dummy_object): Use build_int_cst instead of convert.
787 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
789 * dojump.c (do_jump): Likewise.
790 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
791 * gimplify.c (gimple_boolify, gimplify_init_constructor,
792 gimplify_boolean_expr): Likewise.
793 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
794 * varasm.c (array_size_for_constructor): Likewise.
795 * tree-object-size.c (compute_object_offset): Likewise.
797 2006-04-02 Roger Sayle <roger@eyesopen.com>
800 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
801 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
803 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
805 PR tree-optimization/26939
806 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
808 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
810 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
811 at_stmt. Convert the type of operands before calling
812 build_polynomial_chrec.
813 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
815 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
816 (instantiate_parameters_1): Convert the type of operands before calling
817 build_polynomial_chrec.
818 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
819 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
820 reset_evolution_in_loop): Insert asserts to check the types of the
822 (chrec_type): Moved...
823 (eq_evolutions_p): Use operand_equal_p.
824 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
825 the types of the operands.
826 (chrec_type): ...here.
827 * tree-data-ref.c (create_data_ref): Convert the operands before
828 calling chrec_replace_initial_condition.
829 (same_access_functions, analyze_subscript_affine_affine,
830 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
831 (compute_subscript_distance, analyze_ziv_subscript,
832 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
833 analyze_miv_subscript): Convert the operands before calling
834 chrec_fold_minus or chrec_fold_plus.
836 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
838 * tree-data-ref.c (compute_all_dependences): Use a pointer to
839 the dependence_relations vector.
840 (compute_data_dependences_for_loop): Adjust call to
841 compute_all_dependences.
843 2006-04-01 Roger Sayle <roger@eyesopen.com>
844 Richard Henderson <rth@redhat.com>
846 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
847 gimple_boolify on the condition before calling gimplify_expr.
849 2006-03-31 Bob Wilson <bob.wilson@acm.org>
851 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
852 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
853 the frame size. Update to use the new macros.
854 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
855 * config/xtensa/ieee754-df.S: Likewise.
857 2006-03-31 Richard Henderson <rth@redhat.com>
859 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
860 (make_edges): ... here. Control fallthru creation with a local
861 variable. Do not play with fake edges.
862 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
863 (make_goto_expr_edges): Don't play with fake edges. Make for_call
866 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
868 * dwarf2.h (DW64_CIE_ID): Define.
869 * dwarf2out.c (DWARF_CIE_ID): Define.
870 (output_call_frame_info): Output 0xffffffff before standard 8-byte
871 length header. Use DWARF_CIE_ID.
872 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
873 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
875 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
877 * config/sh/linux-atomic.asm: New file.
878 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
880 2006-03-31 DJ Delorie <dj@redhat.com>
882 * config/m32c/cond.md: Set condition flags properly throughout.
883 * config/m32c/minmax.md: Likewise.
884 * config/m32c/prologue.md: Likewise.
885 * config/m32c/bitops.md: Likewise.
886 * config/m32c/muldiv.md: Likewise.
887 * config/m32c/mov.md: Likewise.
888 * config/m32c/addsub.md: Likewise.
889 * config/m32c/m32c.md: Likewise.
890 * config/m32c/jump.md: Likewise.
891 * config/m32c/shift.md: Likewise.
893 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
894 conditionally output the pattern for this.
895 * config/m32c/m32c.c (flags_needed_for_conditional): New.
896 (m32c_compare_redundant): New.
897 (m32c_output_compare): New.
898 * config/m32c/m32c-protos.h (m32c_output_compare): New.
900 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
901 dest, not src. Allow other 4-byte modes.
903 2006-03-30 Denis Chertykov <denisc@overta.ru>
905 * doc/md.texi: Refer to avr/constraints.md instead of
908 2006-03-30 Roger Sayle <roger@eyesopen.com>
910 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
911 signed vs. unsigned comparison failures on some hosts.
913 2006-03-31 Alan Modra <amodra@bigpond.net.au>
916 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
917 change to FLOAT_REGS.
919 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
920 (rs6000_override_options): Use it.
921 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
922 only for -mabi=spe/no-spe and -mabi=altivec.
924 2006-03-30 Geoffrey Keating <geoffk@apple.com>
926 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
929 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
931 * Makefile.in: Rename docdir to gcc_docdir.
933 2006-03-30 Roger Sayle <roger@eyesopen.com>
936 * expr.c (emit_group_store): Optimize group stores into a pseudo
937 register by using a paradoxical subreg to initialize the destination
938 if the first or last member of the group specifies a "low part".
940 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
943 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
944 * target.h (struct gcc_target.speculate_insn): Change type of the
945 second parameter to 'int'.
946 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
947 the second operand of the DEPS_LIST.
948 (copy_DEPS_LIST_list): Update reference to the second operand of the
950 * rtl.h (alloc_DEPS_LIST): Update signature.
951 * sched-int.h (ds_t): Change typedef to 'int'.
952 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
954 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
956 * haifa-sched.c (try_ready): Change condition to restore
957 non-speculative pattern of the instruction.
958 (process_insn_depend_be_in_spec): Code to keep probability of the
959 speculative dependence non-decreasing.
961 2006-03-30 Jie Zhang <jie.zhang@analog.com>
963 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
964 (single_move_for_movmem): ... this. Also change all uses.
965 (bfin_expand_strmov): Renamed to...
966 (bfin_expand_movmem): ... this. Also change all uses.
967 * config/bfin/bfin.md (movstrsi): Renamed to...
970 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
972 PR tree-optimization/26830
974 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
975 (copy_prop_visit_stmt): Remove write-only variable ann.
976 (init_copy_prop): Check variable loop depth here. Do not simulate
977 memory-tag and virtual operand PHIs except for store copy prop.
979 2006-03-30 Richard Guenther <rguenther@suse.de>
981 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
982 variants with double arguments.
984 2006-03-29 David Edelsohn <edelsohn@gnu.org>
986 * genpreds.c (write_tm_constrs_h): Delete variable p.
987 * genconditions.c (write_header): Add tm-constrs.h to included
989 * genpeep.c (main): Add toplev.h to included headers.
990 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
991 (build/genpeep.o): Add toplev.h dependency.
992 * config/rs6000/constraints.md: Add "W" constraint.
994 2006-03-29 Roger Sayle <roger@eyesopen.com>
996 * stor-layout.c (mode_for_size_tree): Remove restiction on type
997 sizes by correctly testing whether the size fits a host integer.
998 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
999 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1000 SImode range for the default sizetype and bitsizetype.
1002 2006-03-29 Roger Sayle <roger@eyesopen.com>
1004 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1005 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1006 quickly if the argument is already of the correct type.
1007 Call fold_build1 instead of build1. Tidy up blank lines.
1009 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1011 * genemit.c (main): Add tm-constrs.h to included headers.
1012 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1013 * genpeep.c (main): Add tm-constrs.h to included headers.
1014 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1015 (write_tm_constrs_h): this and write complete file.
1016 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1017 (write_insn_preds_c): Add tm-constrs.h to included headers.
1018 (gen_constrs): New variable.
1019 (parse_option): Parse "-c".
1020 (main): Invoke write_tm_constrs_h.
1021 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1022 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1023 (object_out_file): Add tm-constrs.h dependency.
1024 (insn-emit.o): Same.
1025 (insn-output.o): Same.
1026 (insn-peep.o): Same.
1027 (insn-preds.o): Same.
1028 (insn-recog.o): Same.
1029 (tm-constsr.h): New target.
1030 (s-constrs-h): New target.
1032 * config/rs6000/constraints.md: New file.
1033 * config/rs6000/rs6000.c: Include tm-constrs.h.
1034 (num_insn_constant_wide): Convert to satisfies_constraint.
1035 (rs6000_rtx_costs): Convert to satisfies_constraint.
1036 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1037 (CONST_OK_FOR_LETTER_P): Delete.
1038 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1039 (EXTRA_CONSTRAINT): Delete.
1040 (EXTRA_MEMORY_CONSTRAINT): Delete.
1041 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1042 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1043 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1044 satisfies_constraint.
1046 * config/i386/i386.c: Include tm-constrs.h.
1048 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1050 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1051 * tree-data-ref.c (find_data_references_in_loop,
1052 compute_data_dependences_for_loop): Use pointers to VEC.
1053 (analyze_all_data_dependences): Adjust calls.
1054 * tree-data-ref.h (find_data_references_in_loop,
1055 compute_data_dependences_for_loop): Adjust declarations.
1056 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1057 compute_data_dependences_for_loop.
1059 2006-03-29 Paul Brook <paul@codesourcery.com>
1061 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1064 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1066 PR tree-optimization/26859
1067 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1069 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1070 for the step after fold_convert.
1072 2006-03-29 Paul Brook <paul@codesourcery.com>
1074 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1075 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1077 2006-03-29 Paul Brook <paul@codesourcery.com>
1080 * targhooks.c (default_narrow_bitfield): New fuction.
1081 * targhooks.h (default_narrow_bitfield): add prototype.
1082 * target.h (gcc_target): Add narrow_volatile_bitfield.
1083 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1084 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1085 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1086 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1088 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1090 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1092 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1093 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1094 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1095 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1096 (s390_function_arg_float): Allow SDmode and DDmode values to be
1097 passed in floating point registers.
1098 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1099 check with SCALAR_FLOAT_MODE_P.
1100 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1102 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1104 PR tree-optimization/25985
1105 * tree-ssa-loop-niter.c (number_of_iterations_le,
1106 number_of_iterations_ne): Make comments more precise.
1107 (number_of_iterations_cond): Add only_exit argument. Use the
1108 fact that signed variables do not overflow only when only_exit
1110 (loop_only_exit_p): New.
1111 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1112 number_of_iterations_cond.
1114 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1116 PR tree-optimization/26643
1117 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1120 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1122 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1123 (divsi3_i4_int): Likewise.
1125 2006-03-28 Roger Sayle <roger@eyesopen.com>
1127 * expr.c (emit_group_store): Only create a new pseudo reg if the
1128 quantity it needs to hold isn't already a suitable pseudo.
1130 2006-03-28 Jeff Law <law@redhat.com>
1132 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1133 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1135 2006-03-28 Roger Sayle <roger@eyesopen.com>
1137 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1138 the equivalent ~X & Y, and the symmetry related transformations.
1139 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1140 ~X & Y, and symmetry related transforms.
1142 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1144 Revert my 2006-03-27 patches.
1146 2006-03-28 Roger Sayle <roger@eyesopen.com>
1148 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1149 ~(T1)X, when T1 and T2 are integer types of the same precision
1150 and (T2)X isn't an extension.
1152 2006-03-28 Jeff Law <law@redhat.com>
1154 PR tree-optimization/26796
1155 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1156 need EH edge cleanups rather than purging them immediately.
1157 (eliminate_degenerate_phis): Handle queued EH cleanups.
1159 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1161 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1164 2006-03-27 Roger Sayle <roger@eyesopen.com>
1167 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1168 cast BIT_NOT_EXPR operand to the correct type.
1170 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1172 * tree-loop-linear.c: Don't include varray.h.
1173 (gather_interchange_stats, try_interchange_loops,
1174 linear_transform_loops): Use VEC instead of VARRAY.
1175 * lambda-mat.c: Don't include varray.h.
1176 * tree-chrec.c: Same.
1177 * lambda-trans.c: Same.
1178 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1179 VEC instead of VARRAY.
1180 * tree-vectorizer.h: Idem.
1181 * tree-data-ref.c (dump_data_references,
1182 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1183 initialize_data_dependence_relation, finalize_ddr_dependent,
1184 compute_all_dependences, find_data_references_in_loop,
1185 compute_data_dependences_for_loop, analyze_all_data_dependences,
1186 free_dependence_relation, free_dependence_relations,
1187 free_data_refs): Idem.
1188 * tree-data-ref.h (data_reference_p, subscript_p): New.
1189 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1190 VEC instead of VARRAY.
1191 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1192 (find_data_references_in_loop, compute_data_dependences_for_loop,
1193 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1194 dump_data_dependence_relations, free_dependence_relations,
1195 free_data_refs): Adjust declaration.
1196 (lambda_transform_legal_p): Move declaration here...
1197 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1198 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1199 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1200 vect_analyze_data_refs): Use VEC instead of VARRAY.
1201 * lambda.h (lambda_transform_legal_p): ...from here.
1202 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1203 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1204 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1205 tree-chrec.o): Don't depend on VARRAY_H.
1207 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1209 * rtl.def (Copyright): Update date.
1210 (DEPS_LIST): Change type of the second operand to 'int'.
1211 * target.h (Copyright): Update date.
1212 (struct gcc_target.speculate_insn): Change type of the second parameter
1214 * lists.c (Copyright): Update date.
1215 (alloc_DEPS_LIST): Change signature. Update reference to the second
1216 operand of the DEPS_LIST.
1217 (copy_DEPS_LIST_list): Update reference to the second operand of the
1219 * rtl.h (Copyright): Update date.
1220 (alloc_DEPS_LIST): Update signature.
1221 * sched-int.h (Copyright): Update date.
1222 (ds_t): Change typedef to 'int'.
1223 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1225 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1227 * haifa-sched.c (Copyright): Update date.
1228 (try_ready): Change condition to restore non-speculative pattern
1230 (process_insn_depend_be_in_spec): Code to keep probability of the
1231 speculative dependence non-decreasing.
1233 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1235 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1236 shut up the compiler.
1238 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1240 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1241 to use lib prefix for target.
1242 ($(T)libic_invalidate_array_4-200.a): Likewise.
1243 ($(T)libic_invalidate_array_4a.a): Likewise.
1245 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1246 J"orn Rennecke <joern.rennecke@st.com>
1248 * superh.opt: New file.
1249 * sh.c (boardtype, osruntime): Remove.
1250 * superh.h (SUBTARGET_OPTIONS): Remove.
1251 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1253 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1254 arguments with ^ and/or [].
1256 * config.gcc (sh-*-*): Add quoting to account for quirk of
1258 Replace == with = in enable_incomplete_targets test.
1260 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1261 with MASK_LITTLE_ENDIAN.
1263 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1264 * config/sh/sh.opt: Added to some comments.
1265 * config/sh/superh.h: Removed some chaff.
1267 * config/sh/sh.opt: Add m4-[1234]00* options.
1268 * config/sh/sh.c (sh_handle_option): Likewise.
1269 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1270 (ic_invalidate_array_4-100.o): New rule.
1271 ($(T)libic_invalidate_array_4-100.a): Likewise.
1272 (ic_invalidate_array_4-200.o): Likewise.
1273 ($(T)libic_invalidate_array_4-200.a): Likewise.
1274 (ic_invalidate_array_4a.o): Likewise.
1275 ($(T)libic_invalidate_array_4a.a): Likewise.
1276 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1277 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1279 * config/sh/crt1.asm: Merged in profiling code.
1280 * config/sh/superh.h (STARTFILE_SPEC): Override.
1281 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1282 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1283 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1285 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1286 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1287 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1289 * sh.opt (mpretend-cmove): New option.
1290 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1291 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1292 (movsicc): Add TARGET_PRETEND_CMOVE code.
1294 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1296 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1297 s390_class_max_nregs): New function prototypes.
1298 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1299 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1300 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1301 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1303 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1305 * dwarf2out.c (add_location_or_const_value_attribute): Call
1306 tree_add_const_value_attribute if nothing else works.
1307 (reference_to_unused): New.
1308 (rtl_for_decl_init): Use reference_to_unused to decide whether
1309 to output an initializer.
1311 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1314 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1315 peephole removing spe frob_di_df_2.
1317 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1319 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1320 (subscript_dependence_tester_1): Declared.
1321 (print_dir_vectors, print_dist_vectors): New.
1322 (debug_data_dependence_relation): New.
1323 (dump_data_dependence_relation): Print more details.
1324 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1325 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1326 (save_dist_v, save_dir_v, add_outer_distances,
1327 build_classic_dist_vector_1): New.
1328 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1329 Don't test for lambda_vector_lexico_pos.
1330 (same_access_functions, add_multivariate_self_dist,
1331 add_other_self_distances, dir_from_dist): New.
1332 (build_classic_dir_vector): Replace implementation almost identical to
1333 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1335 (subscript_dependence_tester_1): New.
1336 (subscript_dependence_tester): Handle the lexicographically negative
1337 distance vectors by recomputing the dependence relation.
1338 (compute_affine_dependence): Remove parameter loop_nest_depth.
1339 (compute_self_dependence): Don't call compute_subscript_distance.
1340 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1341 Add a parameter for the loop_nest.
1342 (find_loop_nest_1, find_loop_nest): New.
1343 (compute_data_dependences_for_loop): Compute the loop nest, and give
1344 up if the nest is not well formed.
1345 * tree-data-ref.h (loop_p): New.
1346 (struct data_dependence_relation): Replace size_vect field with
1347 loop_nest, a vec of loops.
1348 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1349 (DDR_LOOP_NEST): New.
1350 (print_dir_vectors, print_dist_vectors,
1351 debug_data_dependence_relation): Declared.
1352 (index_in_loop_nest): New.
1353 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1354 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1357 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1359 * simplify-rtx.c (simplify_relational_operation): Call
1360 simplify_relational_operation_1 even if mode is VOIDmode.
1362 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1364 PR tree-optimization/26804
1365 * tree.h (DECL_CALL_CLOBBERED): New macro.
1366 (tree_decl_common): Add call_clobbered_flag.
1367 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1368 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1369 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1370 (mark_non_addressable): Ditto.
1371 * tree-ssa.c (verify_call_clobbered): New function.
1372 (verify_alias_info): Use it.
1373 * tree-pass.h (pass_reset_cc_flags): New prototype.
1374 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1375 (reset_cc_flags): New function.
1376 * passes.c (init_optimization_passes): Call reset_cc_flags after
1377 initializing referenced_vars.
1379 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1380 Roger Sayle <roger@eyesopen.com>
1383 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1384 to 1.0 for non-real operands. Implement A / A optimization for
1387 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1389 * config/i386/i386.c (size_cost): Correct the comment for
1390 cost of storing fp registers.
1391 (i386_cost): Likewise.
1392 (i486_cost): Likewise.
1393 (pentium_cost): Likewise.
1394 (pentiumpro_cost): Likewise.
1395 (k6_cost): Likewise.
1396 (athlon_cost): Likewise.
1397 (k8_cost): Likewise.
1398 (pentium4_cost): Likewise.
1399 (nocona_cost): Likewise.
1400 (generic64_cost): Likewise.
1401 (generic32_cost): Likewise.
1403 2006-03-24 Denis Chertykov <denisc@overta.ru>
1405 * config/avr/avr-protos.h (extra_constraint): Delete.
1406 (extra_constraint_Q): New declaration.
1407 * config/avr/constraints.md: New file.
1408 * config/avr/avr.md: Include it.
1409 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1410 (TMP_REGNO, ZERO_REGNO): Likewise.
1411 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1412 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1413 (extra_constraint): Delete.
1414 (extra_constraint_Q): Test for memory constraint 'Q'.
1415 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1416 (REG_CLASS_FROM_LETTER): Delete.
1417 (CONST_OK_FOR_LETTER_P): Delete.
1418 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1419 (EXTRA_CONSTRAINT): Delete.
1420 (TMP_REGNO): Delete.
1421 (ZERO_REGNO): Delete.
1423 2006-03-24 Jeff Law <law@redhat.com>
1425 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1426 directly. Call mark_new_vars_to_rename slightly earlier.
1428 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1430 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1432 (gen_compile_unit_die): Use new language types for Objective-C and
1434 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1435 DW_LANG_C_plus_plus.
1438 * config/t-darwin (crt3.o): Work around bug 26840.
1439 * config/darwin-crt3.c: Rewrite.
1440 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1442 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1444 * doc/invoke.texi: Document -femit-class-debug-always
1445 * common.opt: Add -femit-class-debug-always.
1447 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1449 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1450 index and base register.
1451 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1452 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1453 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1454 REGNO_OK_FOR_INDEX_P.
1455 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1457 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1458 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1459 REG_OK_FOR_BASE_P): Definitions removed.
1461 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1464 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1465 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1466 set yet or weren't marked as local yet.
1468 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1470 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1473 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1475 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1476 (rs6000_legitimate_small_data_p): Delete.
1477 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1478 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1479 and make static. Add forward declaration. Update uses.
1480 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1481 of offsettable_memref_p.
1482 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1483 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1485 2006-03-24 Jeff Law <law@redhat.com>
1487 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1488 around bug in immediate-use iterator.
1490 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1493 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1494 or __LITTLE_ENDIAN__.
1496 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1498 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1499 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1500 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1501 * config/sh/sh.opt (mdiv=): Amend description.
1502 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1503 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1504 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1505 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1506 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1507 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1508 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1509 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1510 TARGET_DIVIDE_CALL_FP.
1512 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1514 * haifa-sched.c (choose_ready): Fix type of the local variable.
1515 Move local variables. Add comment.
1516 (check_reg_live): Change signature. Make callable from debugger.
1517 * sched-int.h (check_reg_live): Update signature.
1518 * sched-ebb.c (check_reg_live): Update parameters.
1519 * sched-rgn.c (check_reg_live): Ditto.
1520 (region_head_or_leaf_p): Check pointer before dereferencing.
1521 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1522 before reload on optimization levels below 1.
1524 2006-03-23 Richard Henderson <rth@redhat.com>
1526 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1530 * config/alpha/predicates.md (local_symbolic_operand): Reject
1533 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1536 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1537 expressions which have overflowed constants.
1539 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1541 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1543 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1545 * cfgloopmanip.c (create_loop_notes): Removed.
1546 * final.c (final_scan_insn): Do not handle loop notes.
1547 * jump.c (squeeze_notes): Ditto.
1548 * cfglayout.c (skip_insns_after_block,
1549 duplicate_insn_chain): Ditto.
1550 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1552 * cfgloop.h (create_loop_notes): Declaration removed.
1554 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1556 * varasm.c (output_constant_pool): Restore fnname and fndecl
1558 (assemble_start_function): Adjust call accordingly.
1559 (assemble_end_function): Likewise.
1561 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1564 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1567 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1569 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1572 * system.h (ICE_EXIT_CODE): New macro.
1573 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1574 (diagnostic_action_after_output): Likewise.
1575 * gcc.c (fatal_ice): New function.
1576 (execute): Use it instead of fatal.
1577 (fancy_abort): Likewise.
1578 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1580 2006-03-22 Jeff Law <law@redhat.com>
1582 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1583 iv_analyze_result returning false.
1585 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1587 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1589 2006-03-22 Richard Henderson <rth@redhat.com>
1592 * except.c (duplicate_eh_regions_0): New.
1593 (duplicate_eh_region_1): Duplicate the children of the node as
1594 well as the node itself. Link them up properly.
1595 (duplicate_eh_region_2): Merge into ...
1596 (duplicate_eh_regions): ... here. Take copy_region argument, and
1597 copy only a sub-tree if asked. Simplify copying and fixup.
1598 (eh_region_outer_p): New.
1599 * except.h (duplicate_eh_regions): Update decl.
1600 (eh_region_outer_p): Declare.
1601 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1602 (lower_omp_master): Likewise.
1603 (lower_omp_ordered): Likewise.
1604 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1605 (move_stmt_r): Use it to remap labels. Handle recursion vs
1606 remap_decls_p properly.
1607 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1608 (find_outermost_region_in_block): New.
1609 (new_label_mapper): New.
1610 (move_sese_region_to_fn): Copy eh information to the new function
1612 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1614 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1617 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1619 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1620 into shared libraries.
1622 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1624 * doc/md.texi: Refer to i386/constraints.md instead of
1626 * config/i386/constraints.md: New file, extracted from...
1627 * config/i386/predicates.md: ...here.
1628 * config/i386/i386.md: Include constraints.md.
1630 2006-03-21 Jason Merrill <jason@redhat.com>
1632 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1635 * expr.c (init_block_move_fn): Force default visibility.
1636 (init_block_clear_fn): Likewise.
1637 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1638 * targhooks.c (default_external_stack_protect_fail): Likewise.
1640 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1642 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1643 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1644 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1645 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1646 (loadgp): Use mips_current_loadgp_style.
1647 (loadgp_noshared): New pattern.
1648 (sibcall_internal): Use MIPS_CALL.
1649 (sibcall_value_internal): Likewise.
1650 (sibcall_value_multiple_internal): Likewise.
1651 (call_internal): Likewise.
1652 (call_value_internal): Likewise.
1653 (call_value_multiple_internal): Likewise.
1654 (call_split): Use MIPS_CALL and add an 'S' constraint.
1655 (call_value_split): Likewise.
1656 (call_value_multiple_split): Likewise.
1657 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1658 (-mshared): New option.
1659 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1660 (mips_current_loadgp_style): Declare.
1661 * config/mips/mips.c (mips_classify_symbol): Avoid using
1662 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1663 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1664 TARGET_ABSOLUTE_ABICALLS.
1665 (override_options): Adjust comments. Improve the warning that is
1666 issued when -mabicalls and -G are used together.
1667 (mips_file_start): Remove comment.
1668 (mips_current_loadgp_style): New function.
1669 (mips_gnu_local_gp): New variable.
1670 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1672 (mips_output_function_prologue): Use mips_current_laodgp_style.
1673 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1674 the cprestore instruction.
1675 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1676 live for TARGET_ABSOLUTE_ABICALLS.
1677 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1678 (ASM_SPEC): Pass down -mshared and -mno-shared.
1679 (MIPS_CALL): New macro.
1680 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1682 * doc/invoke.texi (-mabicalls): Update documentation.
1683 (-mshared): Document.
1685 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1687 * config/ia64/unwind-hpux.c: New file.
1688 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1690 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1693 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1695 2006-03-21 Jeff Law <law@redhat.com>
1697 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1698 type conversions of a VR_VARYING source to a wider type.
1700 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1702 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1703 tm_file on Solaris 10 and later.
1704 (sparc64-*-solaris2*): Likewise.
1705 (sparc-*-solaris2*): Likewise.
1706 * config/sol26.h: Rename to config/sol2-6.h.
1707 * config/sol2-10.h: New file.
1709 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1712 * tree-ssa-pre.c (create_component_ref_by_pieces):
1715 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1718 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1719 return it immediately.
1721 2006-03-21 Michael Matz <matz@suse.de>
1723 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1725 (remove_arc, add_arc): Update num_out_arcs member.
1726 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1728 (cache_presence): New function.
1729 (compare_states_for_equiv): New function.
1730 (state_is_differed): Don't take number of outargs, adjust callers.
1731 Use new invariant for speeding up.
1732 (init_equiv_class): Create initial classes based on sorted
1734 (partition_equiv_class): Don't track out_arcs_num.
1735 (evaluate_equiv_classes): Call cache_presence on all states and
1738 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1740 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1741 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1742 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1743 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1745 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1746 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1747 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1748 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1749 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1751 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1752 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1753 (REGNO_REG_CLASS): ARGP is in PREGS.
1754 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1756 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1757 to deal with those addresses.
1758 * addresses.h: New file.
1759 * caller-save.c: Include "addresses.h".
1760 (init_caller_save): Use new base_reg_class function.
1761 * rtl-factoring.c: Include "addresses.h".
1762 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1763 * recog.c: Include "addresses.h".
1764 (preprocess_constraints): Use new base_reg_class function.
1765 * regrename.c: Include "addresses.h".
1766 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1767 functions. Keep track of a new var INDEX_CODE to compute valid
1769 (replace_oldest_value_addr): Likewise.
1770 (replace_oldest_value_mem): Use base_reg_class.
1771 * reload.c: Include "addresses.h".
1772 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1773 (find_reloads): Use new base_reg_class function.
1774 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1775 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1776 all callers and prototype changed.
1777 * reload1.c: Include "addresses.h".
1778 (maybe_fix_stack_asms): Use base_reg_class.
1779 * regclass.c: Include "addresses.h".
1780 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1781 (init_reg_autoinc): Use new base_reg_class function.
1782 (record_reg_classes): Likewise.
1783 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1784 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1785 Use new args to compute necessary class.
1787 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1788 regrename.o, rtl-factoring.o): Update dependencies.
1789 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1790 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1791 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1792 REG_OK_FOR_INDEX_P): Delete documentation.
1794 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1796 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1797 from V7 to V9 for Solaris 7 and above.
1799 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1801 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1802 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1803 argument pointers may not alias any other storage.
1804 * common.opt: Define option -fargument-noalias-anything.
1805 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1806 alias semantics is specified by flag_argument_noalias > 2.
1808 2006-03-20 Jeff Law <law@redhat.com>
1810 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1811 (pass_phi_only_cprop): Declare.
1812 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1814 * tree-ssa-dom.c (degenerate_phi_result): New function.
1815 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1816 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1817 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1818 (eliminate_degenerate_phis): Likewise.
1819 (pass_phi_only_cprop): New pass descriptor.
1820 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1821 support code. Callers updated.
1822 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1823 (store_copy_prop): Likewise.
1824 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1826 2006-03-20 Jason Merrill <jason@redhat.com>
1829 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1830 (push_visibility, pop_visibility): Likewise.
1831 * c-pragma.h: Declare them.
1833 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1835 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1837 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1838 parameter and use get_ebb_head_tail.
1839 (sh_md_init_global): Adjust uses of find_regmode_weight.
1841 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1843 * function.h (struct function) <x_tail_recursion_reentry>:
1844 Rename to x_stack_check_probe_note.
1845 (tail_recursion_reentry): Rename to stack_check_probe_note.
1846 * function.c: Replace tail_recursion_reentry with
1847 stack_check_probe_note everywhere.
1848 (expand_function_start): Only emit a note for
1849 stack_check_probe_note with -fstack-protect.
1850 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1852 * emit-rtl.c (remove_unnecessary_notes): Remove.
1853 (pass_remove_unnecessary_notes): Remove.
1854 * rtl.h (remove_unnecessary_notes): Remove prototype.
1855 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1856 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1857 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1859 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1862 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1863 (valid_in_set): Handle ARRAY_REF.
1864 Change "if min_variant or VH" to asserts.
1865 (create_component_ref_by_pieces): Handle ARRAY_REF.
1866 (create_expression_by_pieces): Likewise.
1867 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1869 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1871 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1872 is operand of switch, not str[0].
1874 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1876 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1877 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1879 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1881 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1882 end of insn_extra_address_constraint declaration.
1884 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1886 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1887 (no-sum-in-toc): Same.
1888 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1890 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1891 NO_FP_IN_TOC for -fPIC instead of mask.
1893 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1894 (BOOT_LDFLAGS): Delete.
1896 * config/rs6000/t-aix52: Same.
1898 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1899 (stmsi[345678]_power): New.
1901 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1903 * config/ia64/ia64.opt: Add empty line to end of file.
1905 2006-03-17 Richard Guenther <rguenther@suse.de>
1908 * builtins.c (get_pointer_alignment): For component style references
1909 adjust alignment to the component type alignment. Make sure
1910 to adjust alignment for component access of constants.
1912 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1914 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1917 2006-03-17 Paul Brook <paul@codesourcery.com>
1919 * doc/install.texi: Docuemnt --with-mode.
1920 * config.gcc: Add --with-mode for arm*-*-*.
1921 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1923 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1925 * sh.c (max_labelno_before_reorg): New variable.
1926 (sh_reorg): Initialize it.
1927 (find_barrier): Check max_labelno_before_reorg before using
1928 label_to_alignment. Take length of explicit alignment insns
1929 into account. When seeing a UNSPECV_CONST_END, return it.
1931 * sh.c (fixup_mova): Set mode of affected label to QImode.
1932 (untangle_mova): New function.
1933 (find_barrier): Use it. Check mode of label before decrementing
1935 (sh_reorg): Likewise.
1936 Set mode of all insns back to VOIDmode.
1938 * sh.c (MOVA_LABELREF): New macro.
1939 (mova_p, fixup_mova, sh_reorg): Use it.
1940 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1941 ADDR_DIFF_VEC matches mova.
1943 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1945 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1946 with ATTRIBUTE_UNUSED.
1948 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1950 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1951 pointer, instead of assuming it is possible to derive the
1952 correct args size from a call insn.
1954 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1956 * rtl.h (CONST_INT_P): Define.
1957 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1958 instead of GET_CODE(x) == CONST_INT.
1959 (vax_rtx_costs): Likewise.
1960 (vax_output_int_move): Likewise.
1961 (vax_output_int_add): Likewise.
1962 (legitimate_constant_address_p): Likewise.
1963 (index_term_p): Likewise.
1964 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1965 * config/vax/vax.md (and<mode>3): Likewise.
1966 (ashrsi3): Likewise.
1968 (movstricthi): Likewise.
1969 (movstrictqi): Likewise.
1970 (rotrsi3): Likewise.
1971 (five unnamed insns): Likewise.
1973 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1975 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1976 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1977 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1978 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1979 Pass to ASM_OUTPUT_DWARF_OFFSET.
1980 * dwarf2out.c (debug_frame_section): New.
1981 (output_call_frame_info): Use debug_frame_section. Pass it to
1982 dw2_asm_output_offset.
1983 (output_die): Pass appropriate section to dw2_asm_output_offset.
1984 (output_compilation_unit_header): Likewise.
1985 (output_pubnames): Likewise.
1986 (output_aranges): Likewise.
1987 (enum dw_val_class): Break dw_val_class_lbl_offset into
1988 dw_val_class_lineptr and dw_val_class_macptr.
1989 (add_AT_lbl_offset): Delete.
1990 (add_AT_lineptr): New.
1991 (add_AT_macptr): New.
1992 (AT_lbl): Expect a lineptr or macptr.
1993 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1994 (attr_checksum): Likewise.
1995 (same_dw_val_p): Likewise.
1996 (size_of_die): Likewise.
1997 (value_format): Likewise.
1998 (output_die): Likewise.
1999 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2001 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2002 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2003 * config/darwin-protos.h (darwin_file_start): New.
2004 (darwin_asm_output_dwarf_offset): New.
2005 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2006 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2008 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2009 if not EH section; simplify.
2010 (darwin_file_start): New.
2011 (darwin_asm_output_dwarf_offset): New.
2012 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2014 (DEBUG_INFO_SECTION): Likewise.
2015 (DEBUG_ABBREV_SECTION): Likewise.
2016 (DEBUG_ARANGES_SECTION): Likewise.
2017 (DEBUG_MACINFO_SECTION): Likewise.
2018 (DEBUG_LINE_SECTION): Likewise.
2019 (DEBUG_LOC_SECTION): Likewise.
2020 (DEBUG_PUBNAMES_SECTION): Likewise.
2021 (DEBUG_STR_SECTION): Likewise.
2022 (DEBUG_RANGES_SECTION): Likewise.
2023 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2024 (ASM_OUTPUT_DWARF_OFFSET): New.
2026 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2028 * config.gcc (tm_defines): Always add to previous value rather
2031 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2033 * config/mips/predicates.md (splittable_const_int_operand): New,
2034 split from move_operand.
2035 (splittable_symbolic_operand): New.
2036 (move_operand): Add commentary. Use splittable_const_int_operand.
2037 Inline mips_atomic_symbolic_constant_p.
2038 * config/mips/mips.md: Add combine splitters for handling moves
2039 of splittable_const_int_operands and splittable_symbolic_operands.
2040 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2041 (mips_split_symbol): Declare.
2042 (mips_move_integer): Declare.
2043 * config/mips/mips.c (mips_split_p): Make global.
2044 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2045 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2046 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2047 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2048 (mips_offset_within_object_p): Handle block symbols.
2049 (mips_atomic_symbolic_constant_p): Delete.
2050 (mips_cannot_force_const_mem): Return false for constants that
2051 mips_legitimize_move can handle.
2052 (mips_use_blocks_for_constant_p): New function.
2053 (mips_split_symbol): Make global.
2054 (mips_move_integer): Likewise. Add a temporary register argument.
2055 (mips_legitimize_const_move): Use splittable_const_int_operand and
2056 splittable_symbolic_operand.
2057 (mips_use_anchors_for_symbol_p): New function.
2058 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2059 (mips_split_p): Declare.
2061 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2063 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2064 (mips*-*-linux*): Likewise.
2066 2006-03-16 Roger Sayle <roger@eyesopen.com>
2067 Daniel Speyer <dspeyer@wam.umd.edu>
2070 * tree-dump.c (dump_real): New function.
2071 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2072 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2073 (tree-dump.o): Add $(REAL_H) to the dependencies.
2075 2006-03-16 Roger Sayle <roger@eyesopen.com>
2078 * real.c (real_from_string): If the mantissa is zero, don't bother
2079 parsing the exponent as the result should always be zero.
2081 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2083 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2085 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2087 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2088 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2089 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2090 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2091 ia64_sched_finish_global): New static functions to implement
2092 hooks from gcc_target.sched.
2093 (spec_check_no, max_uid, pending_data_specs): New static variables.
2094 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2095 ia64_spec_check_src_p): New static functions.
2096 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2097 (TARGET_SCHED_ADJUST_COST): Removed.
2098 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2099 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2100 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2101 TARGET_SCHED_GEN_CHECK,
2102 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2103 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2104 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2105 Fixed to handle speculation checks.
2106 (rtx_needs_barrier): Fixed to handle speculative loads and
2108 (ia64_variable_issue): Added code to count speculative loads and their
2110 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2112 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2114 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2116 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2117 (ia64_reorg): Reset stops_p to NULL after it is freed.
2118 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2119 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2120 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2122 (data_speculative, control_speculative, check_load): New attributes.
2123 (mov<mode>_advanced, mov<mode>_speculative,
2124 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2125 zero_extend<mode>di2_speculative,
2126 zero_extend<mode>di2_speculative_advanced): New patterns for
2127 data and control speculative loads.
2128 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2130 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2131 New pattern for data and control speculation checks.
2132 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2133 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2134 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2135 Auxiliary definitions for the patterns.
2136 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2137 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2139 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2141 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2142 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2143 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2144 New resource constraints.
2145 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2147 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2148 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2149 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2150 msched-in-control-spec, msched-ldc, msched-control-ldc,
2151 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2152 msched-prefer-non-control-spec-insns,
2153 msched-count-spec-in-critical-path): New flags to tune speculative
2155 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2156 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2157 msched-in-control-spec, msched-ldc, msched-control-ldc,
2158 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2159 msched-prefer-non-control-spec-insns,
2160 msched-count-spec-in-critical-path): Document new flags.
2162 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2164 * target.h (struct spec_info_def): New opaque declaration.
2165 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2166 speculate_insn, needs_block_p, gen_check,
2167 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2168 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2169 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2170 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2171 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2172 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2174 (TARGET_SCHED): Use new macros.
2175 * rtl.h (copy_DEPS_LIST_list): New prototype.
2176 * sched-int.h (struct sched_info): Change signature of new_ready field,
2177 adjust all initializations. New fields: add_remove_insn,
2178 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2179 region_head_or_leaf_p.
2180 (struct spec_info_def): New structure declaration.
2181 (spec_info_t): New typedef.
2182 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2183 recovery_block, orig_pat.
2184 (glat_start, glat_end): New variables declaraions.
2185 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2187 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2188 DETACH_LIFE_INFO, USE_GLAT.
2189 (enum SPEC_SCHED_FLAGS): New enumeration.
2190 (NOTE_NOTE_BB_P): New macro.
2191 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2192 attach_life_info, debug_spec_status, check_reg_live): New functions.
2193 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2194 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2196 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2197 * ddg.c (get_block_head_tail): Adjust all uses.
2198 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2199 (sms_sched_info): Initialize new fields.
2200 (contributes_to_priority): Removed.
2201 * haifa-sched.c (params.h): New include.
2202 (get_block_head_tail): Adjust all uses.
2203 (ISSUE_POINTS): New macro.
2204 (glat_start, glat_end): New global variables.
2205 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2206 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2207 old_last_basic_block, before_recovery, current_sched_info_var,
2208 rgn_n_insns, luid): New static variables.
2209 (insn_cost1): New function. Move logic from insn_cost to here.
2210 (find_insn_reg_weight1): New function. Move logic from
2211 find_insn_reg_weight to here.
2212 (reemit_notes, move_insn, max_issue): Change signature.
2213 (move_insn1): Removed.
2214 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2215 extend_bb): New static functions to support extension of scheduler's
2217 (generate_recovery_code, process_insn_depend_be_in_spec,
2218 begin_speculative_block, add_to_speculative_block,
2219 init_before_recovery, create_recovery_block, create_check_block_twin,
2220 fix_recovery_deps): New static functions to support
2221 generation of recovery code.
2222 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2223 restore_bb_notes, move_block_after_check, move_succs): New static
2224 functions to support ebb scheduling.
2225 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2226 functions to support handling of register live information.
2227 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2228 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2229 add_jump_dependencies): New static functions.
2230 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2231 consistancy checking.
2232 (debug_spec_status): New function to call from debugger.
2233 (priority): Added code to handle speculation checks.
2234 (rank_for_schedule): Added code to distinguish speculative instructions.
2235 (schedule_insn): Added code to handle speculation checks.
2236 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2237 Fixed to handle ebbs.
2238 (move_insn): Added code to handle ebb scheduling.
2239 (max_issue): Added code to use ISSUE_POINTS of instructions.
2240 (choose_ready): Added code to choose between speculative and
2241 non-speculative instructions.
2242 (schedule_block): Added code to handle ebb scheduling and scheduling of
2243 speculative instructions.
2244 (sched_init): Initialize new variables.
2245 (sched_finish): Free new variables. Print statistics.
2246 (try_ready): Added code to handle speculative instructions.
2247 * lists.c (copy_DEPS_LIST_list): New function.
2248 * sched-deps.c (extend_dependency_caches): New function. Move logic
2249 from create_dependency_caches to here.
2250 (get_dep_weak, ds_merge): Make global.
2251 * genattr.c (main): Code to output prototype for
2252 dfa_clear_single_insn_cache.
2253 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2254 (output_dfa_clean_insn_cache_func): Code to output
2255 dfa_clear_single_insn_cache function.
2256 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2258 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2260 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2261 New static variables.
2262 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2263 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2265 (ebb_sched_info): Initialize new fields.
2266 (get_block_head_tail): Adjust all uses.
2267 (compute_jump_reg_dependencies): Fixed to use glat_start.
2268 (schedule_ebb): Code to remove unreachable last block.
2269 (schedule_ebbs): Added code to update register live information.
2270 * sched-rgn.c (region_sched_info): Initialize new fields.
2271 (get_block_head_tail): Adjust all uses.
2272 (last_was_jump): Removed. Adjust users.
2273 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2274 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2275 Implement new hooks.
2276 (check_dead_notes1): New static function.
2277 (struct region): New fields: dont_calc_deps, has_real_ebb.
2278 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2279 (BB_TO_BLOCK): Fixed to handle EBBs.
2280 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2281 (ebb_head): New static variable.
2282 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2283 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2285 (compute_dom_prob_ps): New assertion.
2286 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2287 global_live_at_start.
2288 (init_ready_list): New assertions.
2289 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2290 (new_ready): Add support for BEGIN_CONTROL speculation.
2291 (schedule_insns): Fixed code that updates register live information
2293 (schedule_region): Fixed to handle EBBs.
2294 (init_regions): Use extend_regions and check_dead_notes1.
2295 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2296 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2297 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2298 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2299 TARGET_SCHED_GEN_CHECK,
2300 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2301 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2302 * doc/invoke.texi (max-sched-insn-conflict-delay,
2303 sched-spec-prob-cutoff): Document.
2305 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2307 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2308 inter_tick, queue_index.
2309 (struct sched_info): Change signature of init_ready_list field.
2310 Adjust all initializations.
2311 (RESOLVED_DEPS): New access macro.
2312 (ready_add): Remove prototype.
2313 (try_ready): Add prototype.
2314 * sched-rgn.c (init_ready_list): Use try_ready.
2315 (schedule_region): Initialize
2316 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2317 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2318 (init_ready_list): Use try_ready.
2319 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2320 * lists.c (remove_list_elem): Remove `static'.
2321 (remove_free_INSN_LIST_elem): New function.
2322 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2323 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2324 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2326 (readyp): New variable.
2327 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2328 change_queue_index, resolve_dep): New static functions.
2329 (try_ready): New function. Adjust callers in sched-rgn.c and
2330 sched-ebb.c to use it instead of ready_add.
2331 (clock_var): Move at the begining of file.
2332 (rank_for_schedule): Fix typo.
2333 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2334 (ready_lastpos): Enforce assertion.
2335 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2337 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2338 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2339 (queue_to_ready): Use free_INSN_LIST_list.
2340 (early_queue_to_ready): Fix typo.
2341 (schedule_block): Init readyp. Move init_ready_list call after the
2342 initialization of clock_var. Fix error in rejecting insn by
2343 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2344 that previously corrected INSN_TICKs. Add code for handling
2346 (set_priorities): Fix typo.
2347 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2348 Clarify comment and code that keeps current_sched_info->next_tail
2351 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2353 * sched-rgn.c (extend_rgns): New static function.
2354 (find_rgns): Use it.
2355 (gather_region_statistics, print_region_statistics): New static
2357 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2358 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2360 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2361 Andrey Belevantsev <abel@ispras.ru>
2363 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2364 * lists.c (unused_deps_list): New variable.
2365 (free_list): Add assertions to verify the proper distinguishing
2366 between INSN_LISTs and DEPS_LISTs.
2367 (find_list_elem, remove_list_elem, remove_list_node): New static
2369 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2370 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2371 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2372 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2374 (free_INSN_LIST_node): Likewise.
2375 * modulo-sched.c (current_sched_info): Initialize flags field.
2376 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2377 * rtl.def (DEPS_LIST): Define.
2378 * rtl.h: Declare new functions from lists.c.
2379 * sched-deps.c (spec_dependency_cache): New static variable.
2380 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2381 (add_dependence): Change return type to void. Move the logic to ...
2382 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2383 (delete_all_dependences): Add comment about forward_dependency_cache.
2384 Handle spec_dependency_cache. Handle DEPS_LISTs.
2385 (fixup_sched_groups): Clarify the change of priority of output
2386 and anti dependencies.
2387 (sched_analyze_2): Adjust add_dependence calls to create data
2388 speculative dependence.
2389 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2390 Adjust all callers. Handle DEPS_LISTS.
2391 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2392 presence of speculation.
2393 (init_dependency_caches, free_dependency_caches):
2394 Handle spec_dependency_cache.
2395 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2396 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2397 New static functions.
2398 (add_or_update_back_dep, add_or_update_back_forw_dep,
2399 add_back_forw_dep, delete_back_forw_dep): New functions.
2400 * sched-int.h (ds_t, dw_t): New typedefs.
2401 (struct sched_info): Add new field flags.
2402 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2403 Prototype new sched-deps.c functions.
2404 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2405 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2406 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2407 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2408 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2409 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2411 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2413 * sched-rgn.c (current_sched_info): Initialize flags field.
2414 (schedule_insns): Initialize current_sched_info before the sched_init
2416 * sched-ebb.c (current_sched_info): Initialize flags field.
2417 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2418 Call add_or_update_back_dep instead of add_dependence.
2419 Create control speculative dependencies.
2420 (schedule_insns): Initialize current_sched_info before the sched_init
2423 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2425 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2427 (sh_fallback_frame_state): Likewise.
2429 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2431 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2432 Do switch on default_use_cxa_atexit.
2433 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2434 * config/darwin-crt3.o: New.
2435 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2436 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2437 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2439 * config/rs6000/t-darwin: Move crt2.o building to here.
2440 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2441 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2444 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2446 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2447 from '! xxx' to '!xxx' for coding-style conformance.
2448 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2449 (EXTRA_CONSTRAINT): Likewise.
2450 * config/vax/vax.md (four unnamed insns): Likewise.
2452 2006-03-15 Paul Brook <paul@codesourcery.com>
2454 * config/arm/arm.c (minipool_pad): New.
2455 (add_minipool_forward_ref): Include pool alignment padding in address
2457 (push_minipool_fix): Set minipool_pad.
2458 (minipool_pad): Ditto.
2460 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2462 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2463 instead of GET_CODE() == MEM and REG_P() instead of
2465 (print_operand_address): Likewise.
2466 (vax_address_cost): Likewise.
2467 (vax_rtx_costs): Likewise.
2468 (vax_notice_update_cc): Likewise.
2469 (vax_output_int_add): Likewise.
2470 (INDEX_REGISTER_P): Likewise.
2471 (BASE_REGISTER_P): Likewise.
2472 (nonindexed_address_p): Likewise.
2473 (vax_mode_dependent_address_p): Likewise.
2474 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2475 (PRINT_OPERAND): Likewise.
2476 * config/vax/vax.md (ashlsi3): Likewise.
2477 (ashlsi3): Likewise.
2478 (some more unnamed insns): Likewise.
2480 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2482 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2483 iterator-style macro.
2484 (mark_control_dependent_edges_necessary): Update the use of
2485 EXECUTE_IF_CONTROL_DEPENDENT.
2487 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2489 * config/sh/predicates.md (cache_address_operand): Special.
2490 (ua_address_operand): Likewise.
2492 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2494 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2496 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2498 2006-03-15 Andreas Schwab <schwab@suse.de>
2500 * gensupport.c (identify_predicable_attribute): Don't free p_false
2501 when it is still in use.
2503 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2505 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2506 the default setting here.
2508 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2510 * tree-pass.h (pass_cfg): Remove.
2511 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2512 * passes.c (pass_cfg): Don't run it.
2514 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2516 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2517 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2519 (stack_regs_mentioned): Update the uses of
2520 stack_regs_mentioned_data. Don't access the array beyond its
2522 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2523 Don't include gt-reg-stack.h.
2525 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2526 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2528 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2531 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2534 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2536 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2538 2006-03-14 Richard Guenther <rguenther@suse.de>
2540 PR tree-optimization/26672
2541 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2544 2006-03-14 Richard Guenther <rguenther@suse.de>
2546 PR tree-optimization/26667
2547 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2548 node for the callees. Always allow inlining if it will shrink
2551 2006-03-14 Richard Guenther <rguenther@suse.de>
2554 * builtins.c (get_pointer_alignment): Prefer alignment
2555 information from decls over that from types.
2557 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2560 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2562 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2564 * config/rs6000/rs6000.opt (mdlmzb): New option.
2565 (msched-prolog, msched-epilog): Use Var not Mask.
2566 * doc/invoke.texi (-mdlmzb): Document.
2567 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2569 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2570 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2572 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2574 PR rtl-optimization/25739
2575 * bt-load.c (augment_live_range): Free tos pointer.
2577 * gensupport.c (identify_predicable_attribute): Free
2579 * gcov.c (create_file_names): Free name pointer.
2581 2006-03-13 Roger Sayle <roger@eyesopen.com>
2584 * stmt.c (emit_case_nodes): Handle the case where the index is a
2585 CONST_INT, where the comparison mode is specified by the index type.
2587 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2589 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2592 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2594 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2595 (*branch_fp_inverted): Likewise.
2597 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2600 * omp-low.c (expand_omp_for_generic): Mark istart0
2601 and iend0 as addressable.
2603 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2605 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2607 2006-03-13 Jeff Law <law@redhat.com>
2609 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2610 virtual operands are interesting.
2611 (vrp_visit_stmt): Corresponding changes.
2613 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2615 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2617 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2618 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2619 * config/bfin/crti.S: Use it instead of __PIC__.
2620 * config/bfin/crtn.S: Likewise.
2622 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2623 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2625 Lose 'G' modifier for call operand.
2626 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2627 recognize 'G' modifier.
2629 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2632 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2633 * stmt.c (expand_case): Likewise.
2635 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2637 PR rtl-optimization/26254
2638 * loop-invariant.c (seq_insns_valid_p): New function.
2639 (move_invariant_reg): Only emit new code if it is valid.
2641 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2643 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2645 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2646 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2647 (commit_one_edge_insertion): Do not look for loop notes.
2649 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2651 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2652 flag_test_coverage out of loop.
2654 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2656 * final.c (shorten_branches): Remove outdated comment, and turn
2657 the if branch that guards it to continue.
2659 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2661 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2662 * cfgloop.h (struct loop): Remove unused fields.
2664 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2666 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2667 (-dL, -fdump-rtl-loop2): Update the dump file names
2669 * doc/invoke.texi: Update dump file names.
2671 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2673 * predict.c (estimate_probability): Remove.
2674 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2675 * basic-block.h (estimate_probability): Remove prototype.
2676 * passes.c (finish_optimization_passes): Dump branch prediction or
2677 profiling heuristics to the .profile tree dump.
2678 (init_optimization_passes): Unqueue pass_branch_prob.
2680 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2682 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2684 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2685 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2687 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2689 * function.h (frame_offset_overflow): Declare.
2690 * function.c (frame_offset_overflow): New function.
2691 (assign_stack_local_1): Call it to detect that the offset overflows.
2692 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2694 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2696 * config/sh/sh.c: Include alloc-pool.h.
2697 (label_ref_list_pool): New alloc pool.
2698 (label_ref_list_t): New type for lists of labels.
2699 (struct pool_node): Make wend a label_ref_list_t.
2700 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2702 (dump_table): Likewise.
2703 (sh_reorg): Set up the alloc pool before using add_constant and
2704 dump_table, and destroy it when finishing.
2706 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2708 * config/mips/mips.c: Remove redundant comment.
2710 2006-03-10 Jason Merrill <jason@redhat.com>
2713 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2714 the target was declared 'register'.
2716 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2718 * genpreds.c (write_insn_constraint_len): Change definition of
2719 insn_constraint_len to return size_t to match the declaration.
2721 2006-03-10 DJ Delorie <dj@redhat.com>
2723 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2725 (m32c_expand_insv): Fix test for an AND mask.
2727 2006-03-10 Richard Guenther <rguenther@suse.de>
2730 * builtins.c (get_pointer_alignment): Handle component
2731 references for field alignment.
2733 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2735 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2736 when building with libgloss.
2737 (sh*elf): Implement --without-fp option.
2738 (sh64-superh-linux*): Don't multilib.
2740 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2742 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2744 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2746 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2747 Set it when one of the replacement functions returned true.
2748 Return TODO_cleanup_cfg if cfgchanged is true.
2749 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2751 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2753 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2754 instead of gen_lowpart.
2756 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2758 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2760 (mips_output_order_conditional_branch): Declare.
2761 * config/mips/mips.h (MIPS_BRANCH): New macro.
2762 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2763 for the comparison. Use gen_condjump.
2764 (mips_output_conditional_branch): Rework interface to take the
2765 asm templates for a direct branch and the inverse of a direct branch.
2766 (mips_output_order_conditional_branch): New function.
2767 (mips_builtin_branch_and_move): New function.
2768 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2769 branch condition. Use gen_single_cc as the condition for
2770 __builtin_mips_upper_* or __builtin_mips_lower_*.
2771 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2772 Use VOIDmode for the branch condition.
2773 * config/mips/predicates.md (order_operator): New predicate.
2774 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2775 (branch_fp): Rename to...
2776 (*branch_fp): ...this. Remove mode from comparison operator.
2777 Use new mips_output_conditional_branch interface.
2778 (branch_fp_inverted): Rename to...
2779 (*branch_fp_inverted): ...this and update as for *branch_fp.
2780 (*branch_zero<mode>): Rename to...
2781 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2782 Use mips_output_order_conditional_branch. Only accept ordered
2784 (*branch_zero<mode>_inverted): Rename to...
2785 (*branch_order<mode>_inverted): ...this and update as for
2786 *branch_order<mode>.
2787 (*branch_equality<mode>): Accept zero as the second operand to
2788 the equality operator. Use the new mips_output_conditional_branch
2790 (*branch_equality<mode>_inverted): Likewise.
2791 (condjump): New expander.
2792 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2794 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2795 (bc1any2t, bc1any2f): Likewise.
2796 (single_cc): New expander.
2797 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2799 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2801 * doc/md.texi: Update documentation of MIPS constraints.
2802 * config/mips/constraints.md: New file.
2803 * config/mips/mips.md: Include it.
2804 * config/mips/mips.c (mips_char_to_class): Delete.
2805 (override_options): Don't initialize mips_char_to_class.
2806 * config/mips/mips.h (mips_char_to_class): Delete.
2807 (REG_CLASS_FROM_LETTER): Delete.
2808 (CONST_OK_FOR_LETTER_P): Delete.
2809 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2810 (EXTRA_CONSTRAINT_Y): Delete.
2811 (EXTRA_CONSTRAINT_STR): Delete.
2812 (CONSTRAINT_LEN): Delete.
2813 (EXTRA_MEMORY_CONSTRAINT): Delete.
2815 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2817 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2818 original fn's eh regions.
2820 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2822 * fold-const.c (build_range_check): Make sure to use a valid type to
2823 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2826 (range_predecessor): New static function.
2827 (range_successor): Likewise.
2828 (merge_ranges): Use them to compute predecessors and successors of
2831 2006-03-09 Roger Sayle <roger@eyesopen.com>
2834 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2835 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2837 2006-03-08 DJ Delorie <dj@redhat.com>
2839 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2840 (addpsi3): Expand to include memory operands. Remove
2841 reload-specific splits.
2842 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2843 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2844 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2845 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2846 (shift1_qi, shift1_hi, insv): New.
2847 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2848 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2849 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2851 * config/m32c/m32c-protos.h: Update as needed.
2852 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2853 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2854 Fail for unrecognized R* constraints.
2855 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2856 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2857 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2859 (m32c_init_libfuncs): New.
2860 (m32c_legitimate_address_p): Add debug wrapper.
2861 (m32c_rtx_costs): New.
2862 (m32c_address_cost): New.
2863 (conversions): Add 'B' prefix.
2864 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2865 operands, or word regnames for QI operands. 'B' prints bit
2867 (m32c_expand_setmemhi): New.
2868 (m32c_expand_movmemhi): New.
2869 (m32c_expand_movstr): New.
2870 (m32c_expand_cmpstr): New.
2871 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2872 (m32c_expand_neg_mulpsi3): Handle non-ints.
2873 (m32c_cmp_flg_0): New.
2874 (m32c_expand_movcc): New.
2875 (m32c_expand_insv): New.
2876 (m32c_scc_pattern): New.
2877 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2878 a0/a1 out of SIregs.
2879 (STORE_FLAG_VALUE): New.
2880 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2883 * config/m32c/mov.md: Make constraints more liberal.
2884 (zero_extendqihi2): Optimize r0/r1 case.
2885 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2886 * config/m32c/predicates.md (m32c_any_operand): New.
2887 (m32c_nonimmediate_operand): New.
2888 (m32c_hl_operand): New.
2889 (m32c_r3_operand): New.
2892 (memsym_operand): New.
2893 (memimmed_operand): New.
2894 (a_qi_operand): New.
2895 (m32c_eqne_operator): New.
2896 (m32c_1bit8_operand): New.
2897 (m32c_1bit16_operand): New.
2898 (m32c_1mask8_operand): New.
2899 (m32c_1mask16_operand): New.
2900 * config/m32c/blkmov.md: New file.
2901 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2903 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2905 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2906 unsigned to fix signed/unsigned comparison issue in
2907 DWARF2_FRAME_REG_OUT.
2908 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2909 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2911 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2912 of ptr into the ENABLE_CHECKING section.
2914 2006-03-08 Jeff Law <law@redhat.com>
2916 * tree-vrp.c (infer_value_range): Only count pointer uses
2917 and dereferences if -fdelete-null-pointer-checks is enabled.
2919 * tree-vrp.c (find_assert_locations): Infer value ranges for
2920 single use pointers, but do not create ASSERT_EXPRs for them.
2921 When a non-null range is inferred for a pointer, backwards
2922 propagate that range to other equivalent pointers through the
2925 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2928 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2929 language hook targets.
2930 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2931 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2932 if language hook targets were missing.
2934 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2936 * tree-ssa-opfinalize.h: Removed.
2937 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2939 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2940 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2941 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2942 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2943 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2944 finalize_ssa_v_must_def_ops): New.
2946 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2948 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2951 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2953 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2955 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2956 addresses with offsets; reorganize.
2958 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2959 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2960 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2962 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2965 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2967 2006-03-08 Ben Elliston <bje@au.ibm.com>
2969 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2971 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2974 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2977 2006-03-07 Richard Guenther <rguenther@suse.de>
2979 PR tree-optimization/26587
2980 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2982 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2984 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2986 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2988 * hooks.c (hook_bool_mode_rtx_true): New function.
2989 * hooks.h (hook_bool_mode_rtx_true): Declare.
2990 * toplev.c (compile_file): Call output_shared_constant_pool.
2991 * varasm.c (shared_constant_pool): New variable.
2992 (assemble_start_function, assemble_end_function): Remove arguments
2993 from call to output_constant_pool.
2994 (create_constant_pool): New function, split out from...
2995 (init_varasm_status): ...here.
2996 (force_const_mem): Choose between the shared and per-function constant
2997 pools. Set current_function_uses_const_pool when reusing old entries
2998 as well as when creating new ones.
2999 (mark_constant): Ignore data argument.
3000 (mark_constants): Remove pool argument.
3001 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3002 to decide whether the function uses a constant pool.
3003 (output_constant_pool_contents): New function, split out from...
3004 (output_constant_pool): ...here.
3005 (output_shared_constant_pool): New function.
3006 (init_varasm_once): Initialize shared_constant_pool.
3007 * output.h (output_constant_pool): Delete.
3008 (output_shared_constant_pool): Declare.
3009 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3010 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3012 2006-03-06 Nick Clifton <nickc@redhat.com>
3014 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3015 flag_strength_reduce.
3017 2006-03-06 Ben Elliston <bje@au.ibm.com>
3019 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3020 x86_64-*-linux* configurations.
3022 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3023 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3025 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3027 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3029 * basic-block.h: Remove the extern for
3030 rediscover_loops_after_threading.
3032 * cfgloop.c (cancel_loop): Make it static.
3033 * cfgloop.h: Remove the prototype for cancel_loop.
3035 * flow.c (recompute_reg_usage): Make it static.
3036 * rtl.h: Remove the prototype for recompute_reg_usage.
3038 * function.c (use_return_register): Make it static.
3039 * function.h: Remove the prototype.
3041 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3043 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3045 * recog.h: Remove the prototype for
3046 validate_change_maybe_volatile.
3048 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3050 * rtlanal.c (replace_reg): Remove.
3051 * rtl.h: Remove the prototype for replace_reg.
3053 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3055 * regclass.c (reg_scan_update): Remove.
3056 (reg_scan_mark_refs): Remove the last argument.
3057 * rtl.h: Remove the prototype for reg_scan_update.
3059 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3061 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3062 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3063 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3064 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3065 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3066 loop-invariant.c, omp-low.c, opts.c, passes.c,
3067 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3068 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3069 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3070 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3071 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3072 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3074 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3076 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3077 * dwarf2out.h: Remove the prototype for
3078 dwarf2out_add_library_unit_info.
3080 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3082 * tree.c (add_var_to_bind_expr): Remove.
3083 * tree.h: Remove the prototype for add_var_to_bind_expr.
3085 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3087 * regclass.c (n_non_fixed_regs): Remove.
3088 (init_reg_sets_1, globalize_reg): Remove all uses of
3090 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3092 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3094 * rtlanal.c (insns_safe_to_move_p): Remove.
3095 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3097 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3099 * expmed.c (expand_mult_add): Remove.
3100 * expr.h: Remove the prototype for expand_mult_add.
3102 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3104 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3105 and REG_SAVED_VAL_EXP constants.
3106 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3107 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3108 Handle regs stored by value.
3109 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3110 (execute_cfa_program): Handle DW_CFA_val_offset,
3111 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3112 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3113 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3114 (uw_install_context_1): Handle target regs stored by value.
3116 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3118 * tree-sra.c (tree_sra): Return todoflags;
3119 (generate_one_element): Set TODO_update_smt_usage if needed.
3120 (pass_sra): Remove TODO_update_smt_usage.
3121 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3123 (tree_ssa_forward_propagate_single_use_vars): Return
3124 TODO_update_smt_usage if we need to update SMT usage.
3125 (pass_forwprop): Remove TODO_update_smt_usage.
3127 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3129 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3130 (correct_use_link): Remove reference to get_stmt_operands.
3131 (update_stmt_operands): Likewise.
3132 (get_modify_expr_operands): New function factored out of
3133 parse_ssa_operands and get_expr_operands.
3134 Try to create V_MUST_DEFs for LHS by default.
3135 (get_expr_operands) <case MODIFY_EXPR>: Call
3136 get_modify_expr_operands.
3137 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3138 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3139 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3140 get_modify_expr_operands.
3142 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3144 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3145 * tree-flow.h: Remove the prototype for
3146 referenced_var_lookup_if_exists.
3148 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3150 PR rtl-optimization/26345
3152 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3154 2006-03-03 Roger Sayle <roger@eyesopen.com>
3156 PR tree-optimization/26524
3157 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3158 fold_convert to create a constant of the appropriate type.
3160 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3162 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3163 SYMBOL_REF_IN_BLOCK_P.
3164 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3165 of SYMBOL_FLAG_IN_BLOCK.
3166 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3167 instead of SYMBOL_REF_IN_BLOCK_P.
3168 * explow.c (use_anchored_address): Likewise.
3169 * rtl.c (rtx_size): Likewise.
3170 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3171 instead of SYMBOL_FLAG_IN_BLOCK.
3172 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3173 SYMBOL_REF_IN_BLOCK_P.
3174 (assemble_variable): Likewise.
3175 (output_constant_def_contents): Likewise.
3176 (output_constant_pool): Likewise.
3177 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3178 instead of SYMBOL_FLAG_IN_BLOCK.
3179 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3180 SYMBOL_REF_IN_BLOCK_P.
3181 (SYMBOL_REF_BLOCK): Likewise.
3182 (SYMBOL_REF_OFFSET): Likewise.
3183 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3184 SYMBOL_REF_IN_BLOCK_P.
3185 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3186 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3187 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3188 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3190 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3192 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3194 2006-03-02 Roger Sayle <roger@eyesopen.com>
3196 * simplify-rtx.c (simplify_unary_operation): When simplifying
3197 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3198 that we perform the right shift in the appropriate mode, and
3199 then extend or truncate the result to requested mode.
3201 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3203 * gengtype.c (main): Handle double_int type.
3204 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3205 * double-int.c: New file.
3206 * double-int.h: New file.
3207 * system.h: Include doubleint.h.
3208 * Makefile.in (SYSTEM_H): Include double-int.h.
3209 (double-int.o): Add.
3211 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3214 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3217 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3219 * tree-vrp.c (remove_range_assertions): Do not update statements
3222 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3224 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3226 * gcse.c (rest_of_handle_gcse): Ditto.
3227 * except.c (gate_handle_eh): Ditto.
3228 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3229 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3231 2006-03-02 Eric Christopher <echristo@apple.com>
3233 * config/i386/i386.c (machopic_output_stub): Add indirection to
3236 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3240 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3242 Sun Niagara specific optimizations.
3243 * config.gcc: Recognize niagara as target.
3244 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3245 (TARGET_CPU_niagara): Define.
3246 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3247 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3248 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3249 (ASM_CPU_SPEC): Likewise.
3250 (PROCESSOR_NIAGARA): New enum entry.
3251 (REGISTER_MOVE_COST): Handle Niagara.
3252 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3253 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3254 (sparc_override_options): Recognize "niagara", set appropriate
3255 default MASK_* values for it, and align functions to 32-bytes
3256 by default just like ULTRASPARC/ULTRASPARC3.
3257 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3258 (sparc64_initialize_trampoline): Likewise.
3259 (sparc_use_sched_lookahead): Use zero for niagara.
3260 (sparc_issue_rate): Use one for niagara.
3261 * config/sparc/niagara.md: New file.
3262 * config/sparc/sparc.md: Include it.
3263 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3264 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3265 when default cpu is niagara.
3266 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3267 (ASM_CPU_SPEC): Likewise.
3268 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3269 when default cpu is niagara.
3270 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3271 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3272 just like v9/ultrasparc/ultrasparc3.
3273 * doc/invoke.texi: Add documentation for "niagara" and improve
3274 existing documentation for ultrasparc variants.
3276 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3278 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3280 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3282 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3283 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3284 and say that only one is needed.
3285 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3286 * target.h (have_switchable_bss_sections): New hook.
3287 * explow.c (use_anchored_address): Check that the symbol is in a block.
3288 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3289 (bss_noswitch_section): New variables.
3290 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3291 (get_noswitch_section): New function.
3292 (get_block_for_section): Allow SECT to be null.
3293 (unlikely_text_section_p): Use SECTION_STYLE.
3294 (bss_initializer_p): New function.
3295 (get_variable_section): Move earlier in file. Take a new argument,
3296 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3297 Return one of the new *_sections in such cases.
3298 (get_block_for_decl): New function, extracting some logic from
3299 use_blocks_for_decl_p.
3300 (change_symbol_section): Remove in favor of...
3301 (change_symbol_block): ...this new function.
3302 (use_blocks_for_decl_p): Remove checks now performed by
3304 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3305 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3306 (emit_local, emit_bss, emit_common): ...these new functions.
3307 Return true if the alignment was honored.
3308 (emit_tls_common): New function.
3309 (asm_emit_uninitialised): Delete.
3310 (assemble_variable_noswitch): New function, split out from...
3311 (assemble_variable): ...here. Don't make decisions about common
3312 variables here. Globalize all public decls that go into non-common
3313 sections. Check whether SYMBOL_REF_BLOCK is null.
3314 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3315 (output_constant_pool): Likewise.
3316 (init_varasm_once): Initialize the new section variables.
3317 (have_global_bss_p): New function.
3318 (categorize_decl_for_section): Use bss_initializer_p.
3319 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3320 (place_block_symbol): Assert that the symbol must be in a block.
3321 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3322 (TARGET_INITIALIZER): Include it.
3323 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3324 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3325 (SECTION_MACH_DEP): Bump by two.
3326 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3327 (unnamed_section): Mention SECTION_UNNAMED in comment.
3328 (named_section): Likewise SECTION_NAMED.
3329 (noswitch_section_callback): New type.
3330 (noswitch_section): New structure.
3331 (section): Add a noswitch_section alternative.
3332 (SECTION_STYLE): New macro.
3333 (tls_comm_section, comm_section, lcomm_section): Declare.
3334 (bss_noswitch_section, have_global_bss_p): Declare.
3335 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3336 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3338 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3339 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3342 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3344 * gcc/tree-vrp.c (execute_vrp): Return value.
3345 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3346 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3347 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3348 (tree_lower_complex_O0): Ditto.
3349 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3350 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3351 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3352 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3353 (execute_tail_calls): Ditto.
3354 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3355 * gcc/tree.h (init_function_for_compilation): Ditto.
3356 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3357 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3358 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3359 * gcc/final.c (compute_alignments): Ditto.
3360 (rest_of_handle_final): Ditto.
3361 (rest_of_handle_shorten_branches): Ditto.
3362 (rest_of_clean_state): Ditto.
3363 * gcc/omp-low.c (execute_expand_omp): Ditto.
3364 (execute_lower_omp): Ditto.
3365 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3366 * gcc/ipa-reference.c (static_execute): Ditto.
3367 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3368 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3369 (rest_of_handle_machine_reorg): Ditto.
3370 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3371 * gcc/flow.c (recompute_reg_usage): Ditto.
3372 (rest_of_handle_remove_death_notes): Ditto.
3373 (rest_of_handle_life): Ditto.
3374 (rest_of_handle_flow2): Ditto.
3375 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3376 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3377 (do_ssa_store_ccp): Ditto.
3378 (execute_fold_all_builtins): Ditto.
3379 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3380 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3381 * gcc/ipa-pure-const.c (static_execute): Ditto.
3382 * gcc/cse.c (rest_of_handle_cse): Ditto.
3383 (rest_of_handle_cse2): Ditto.
3384 * gcc/web.c (rest_of_handle_web): Ditto.
3385 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3386 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3387 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3388 * gcc/tree-nrv.c (tree_nrv): Ditto.
3389 (execute_return_slot_opt): Ditto.
3390 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3391 (create_structure_vars): Ditto.
3392 * gcc/loop-init.c (rtl_loop_init): Ditto.
3393 (rtl_loop_done): Ditto.
3394 (rtl_move_loop_invariants): Ditto.
3395 (rtl_unswitch): Ditto.
3396 (rtl_unroll_and_peel_loops): Ditto.
3397 (rtl_doloop): Ditto.
3398 * gcc/gimple-low.c (lower_function_body): Ditto.
3399 (mark_used_blocks): Ditto.
3400 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3401 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3402 (cgraph_early_inlining): Ditto.
3403 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3404 * gcc/jump.c (cleanup_barriers): Ditto.
3405 (purge_line_number_notes): Ditto.
3406 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3407 (rest_of_handle_if_after_reload): Ditto.
3408 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3409 (tree_ssa_loop_im): Ditto.
3410 (tree_ssa_loop_unswitch): Ditto.
3411 (tree_vectorize): Ditto.
3412 (tree_linear_transform): Ditto.
3413 (tree_ssa_loop_ivcanon): Ditto.
3414 (tree_ssa_empty_loop): Ditto.
3415 (tree_ssa_loop_bounds): Ditto.
3416 (tree_complete_unroll): Ditto.
3417 (tree_ssa_loop_prefetch): Ditto.
3418 (tree_ssa_loop_ivopts): Ditto.
3419 (tree_ssa_loop_done): Ditto.
3420 * gcc/predict.c (tree_estimate_probability): Ditto.
3421 * gcc/recog.c (split_all_insns_noflow): Ditto.
3422 (rest_of_handle_peephole2): Ditto.
3423 (rest_of_handle_split_all_insns): Ditto.
3424 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3425 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3426 (rest_of_handle_stack_adjustments): Ditto.
3427 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3428 * gcc/function.c (instantiate_virtual_regs): Ditto.
3429 (init_function_for_compilation): Ditto.
3430 (rest_of_handle_check_leaf_regs): Ditto.
3431 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3432 (rest_of_handle_gcse): Ditto.
3433 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3434 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3435 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3436 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3437 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3438 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3439 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3440 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3441 * gcc/except.c (set_nothrow_function_flags): Ditto.
3442 (convert_to_eh_region_ranges): Ditto.
3443 (rest_of_handle_eh): Ditto.
3444 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3445 (remove_unnecessary_notes): Ditto.
3446 * gcc/except.h (set_nothrow_function_flags): Ditto.
3447 (convert_to_eh_region_ranges): Ditto.
3448 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3449 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3450 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3451 (execute_fre): Ditto.
3452 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3453 (rest_of_handle_jump2): Ditto.
3454 * gcc/tree-sra.c (tree_sra): Ditto.
3455 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3456 (execute_mudflap_function_decls): Ditto.
3457 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3458 (do_store_copy_prop): Ditto.
3459 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3460 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3461 * gcc/tree-ssa-forwprop.c
3462 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3463 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3464 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3465 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3466 (execute_late_warn_uninitialized): Ditto.
3467 * gcc/rtl.h (cleanup_barriers): Ditto.
3468 (split_all_insns_noflow): Ditto.
3469 (purge_line_number_notes): Ditto.
3470 (unshare_all_rtl): Ditto.
3471 (remove_unnecessary_notes): Ditto.
3472 (recompute_reg_usage): Ditto.
3473 (variable_tracking_main): Ditto.
3474 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3475 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3476 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3477 (execute_free_cfg_annotations): Ditto.
3478 (execute_fixup_cfg): Ditto.
3479 (execute_cleanup_cfg_pre_ipa): Ditto.
3480 (execute_cleanup_cfg_post_optimizing): Ditto.
3481 (execute_init_datastructures): Ditto.
3482 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3483 * gcc/combine.c (rest_of_handle_combine): Ditto.
3484 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3485 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3486 (rest_of_handle_reorder_blocks): Ditto.
3487 (rest_of_handle_partition_blocks): Ditto.
3488 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3489 * gcc/tree-profile.c (tree_profiling): Ditto.
3490 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3491 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3492 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3493 (rest_of_handle_sched2): Ditto.
3494 * gcc/basic-block.h (free_bb_insn): Ditto.
3495 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3496 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3497 (remove_useless_stmts): Ditto.
3498 (split_critical_edges): Ditto.
3499 (execute_warn_function_return): Ditto.
3500 (execute_warn_function_noreturn): Ditto.
3501 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3502 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3503 * gcc/passes.c (execute_one_pass): Run additional
3504 todos returned by execute function.
3505 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3508 2006-03-02 Richard Guenther <rguenther@suse.de>
3510 * tree-ssa-alias.c (find_used_portions): Consider taking
3511 the address as making the variable not write-only.
3513 2006-03-02 Nick Clifton <nickc@redhat.com>
3515 * config.gcc (default_use_cxa_atexit): Extend the description of
3516 this configure variable. Set its default value to "yes" for
3517 Linux, NetBSD and ELF targets on the assumption that they will
3518 use C libraries with the __cxa_atexit function.
3520 2006-03-02 Ben Elliston <bje@au.ibm.com>
3522 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3523 parameter as unused to suppress a build warning.
3525 2006-03-02 Ben Elliston <bje@au.ibm.com>
3527 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3530 2006-03-01 Roger Sayle <roger@eyesopen.com>
3533 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3534 declared name, the weak reference name, and the typeof name.
3535 (__gthrw): Avoid expanding the declared name suffix.
3536 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3538 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3540 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3542 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3543 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3544 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3545 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3546 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3547 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3548 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3549 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3550 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3551 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3552 (DW_END_default, DW_END_big, DW_END_little): New.
3553 (DW_END_lo_user, DW_END_hi_user): Define.
3554 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3555 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3556 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3559 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3561 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3563 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3565 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3567 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3569 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3570 to 'symbol_mem_tag'.
3572 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3575 2006-03-01 Roger Sayle <roger@eyesopen.com>
3577 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3579 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3582 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3583 MACHO_DYNAMIC_NO_PIC_P.
3584 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3586 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3589 * config/darwin-protos.h (darwin_asm_output_anchor):
3591 * config/darwin-sections.def (cstring_section):
3592 Add SECTION_MERGE to the flags.
3593 (literal4_section): Likewise.
3594 (literal8_section): Likewise.
3595 (objc_selector_refs_section): Likewise.
3596 (objc_cls_refs_section): Likewise.
3597 * config/darwin.c (darwin_asm_output_anchor): New
3599 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3601 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3603 Fix PR tree-optimization/26443
3604 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3605 to todo and PROP_tmt_usage to properties_destroyed.
3606 * tree-ssa-ccp.c (pass_ccp): Ditto.
3607 (pass_store_ccp): Ditto.
3608 * tree-ssa-dom.c (pass_dominator): Ditto.
3610 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3612 * tree-ssa-operands.c: Cleanup whitespace.
3613 (get_asm_expr_operands): Move before first invocation.
3614 (get_indirect_ref_operands): Likewise.
3615 (get_tmr_operands): Likewise.
3616 (get_call_expr_operands): Likewise.
3617 (append_def): Likewise.
3618 (append_use): Likewise.
3619 (append_v_may_def): Likewise.
3620 (append_v_must_def): Likewise.
3621 (add_call_clobber_ops): Likewise.
3622 (add_call_read_ops): Likewise.
3623 (add_stmt_operand): Likewise.
3624 (add_virtual_operand): Likewise.
3625 (build_ssa_operands): Likewise.
3627 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3632 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3633 with a call expr to ...
3634 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3636 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3638 * tree-vrp.c (extract_range_from_assert): Remove special
3639 handling for types with super-types.
3641 2006-03-01 Ben Elliston <bje@au.ibm.com>
3643 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3644 and powerpc64-*-linux* configurations.
3645 * config/t-dfprules: New file.
3647 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3648 Compile dfp-bit.c from the source directory using -DWIDTH and
3649 $DFP_CFLAGS to control the compilation of that file, rather than
3650 generating width-specific versions in the build directory.
3651 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3652 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3654 2006-02-28 Zack Weinberg <zackw@panix.com>
3656 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3659 2006-02-28 Eric Christopher <echristo@apple.com>
3661 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3662 Set up IN_LIBGCC definition of TARGET_64BIT.
3663 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3665 2006-02-28 Roger Sayle <roger@eyesopen.com>
3668 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3669 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3670 cases via the construction of "expr != 0".
3672 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3674 * alias.c (alias_invariant, alias_invariant_size): Remove.
3675 (record_base_value): Remove.
3676 (memrefs_conflict_p): Don't look at alias_invariant.
3677 (end_alias_analysis): Don't free it.
3678 * alias.h (record_base_value): Remove prototype.
3680 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3681 Adam Nemet <anemet@caviumnetworks.com>
3683 * rtl.h (truncated_to_mode): Declare it.
3684 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3685 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3686 (RTL_HOOKS_INITIALIZER): Include it.
3687 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3688 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3689 reg_truncated_to_mode.
3690 * rtlanal.c (truncated_to_mode): Define it.
3691 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3693 2006-02-28 Jeff Law <law@redhat.com>
3695 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3696 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3697 the range allowed by TYPE_PRECISION.
3699 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3701 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3703 PR tree-optimization/26419
3704 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3707 2006-02-27 Zack Weinberg <zackw@panix.com>
3709 * doc/md.texi: Fix typo in previous change.
3711 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3715 2006-02-27 Zack Weinberg <zackw@panix.com>
3717 * rtl.def (define_constraint, define_register_constraint)
3718 (define_memory_constraint, define_address_constraint): New MD forms.
3719 * gensupport.c (process_rtx): Put define_constraint etc on the
3721 * genpreds.c (process_define_predicate): Adjust comment. Validate
3722 the name, and call validate_exp to validate the expression.
3723 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3724 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3725 all callers changed.
3726 (validate_exp, needs_variable, struct constraint_data)
3727 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3728 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3729 (const_dbl_constraints, constraint_max_namelen)
3730 (have_register_constraints, have_memory_constraints)
3731 (have_address_constraints, have_address_constraints)
3732 (have_extra_constraints, have_const_int_constraints)
3733 (have_const_dbl_constraints, mangle, add_constraint)
3734 (process_define_constraint, process_define_register_constraint)
3735 (write_enum_constraint_num, write_lookup_constraint)
3736 (write_insn_constraint_len, write_regclass_for_constraint)
3737 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3738 (write_insn_extra_memory_constraint)
3739 (write_insn_extra_address_constraint)
3740 (write_satisfies_constraint_fns): New.
3741 (write_tm_preds_h): If we have new-style constraint definitions,
3742 prototype the functions generated from them, and define the
3743 old constraint interface (still used by generic code) in terms of
3745 (write_insn_preds_c): If we have new-style constraint definitions,
3746 generate all relevant functions from those definitions.
3747 (main): Handle define_constraint etc.
3748 * genoutput.c (struct constraint_data, indep_constraints)
3749 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3750 (mdep_constraint_len): New data structures and functions, defined
3751 #ifdef USE_MD_CONSTRAINTS.
3752 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3753 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3754 use new logic to validate operand constraints against constraint
3756 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3758 * defaults.h: If none of the old-style constraint macros are
3759 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3760 old-style macros; and poison REG_CLASS_FROM_LETTER,
3761 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3763 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3764 * doc/md.texi: Document new constraint-definition mechanism and the
3765 C interface it provides. Remove references to old mechanism
3766 elsewhere in the document.
3767 (Machine Constraints): Use pathnames relative to gcc directory,
3768 i.e. config/ARCH/FILE. Change i386 section to refer to
3769 config/i386/predicates.md; update that section to match docstrings.
3770 * doc/tm.texi: Move all documentation of the old constraint-
3771 definition macros to their own section, clearly mark as obsolete.
3773 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3774 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3776 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3777 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3778 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3780 (splits and peepholes): Use satisfies_constraint_*.
3781 * config/i386/i386.c (memory_address_length)
3782 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3784 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3786 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3787 scalar operation to be put back into the loop.
3789 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3792 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3793 (extract_cie_info): Handle S flag in augmentation string.
3794 (execute_cfa_program): If context->signal_frame, execute also
3795 fs->pc == context->ra instructions.
3796 (uw_frame_state_for): If context->signal_frame, don't subtract one
3797 from context->ra to find FDE.
3798 (uw_update_context_1): Set context->signal_frame to
3800 (_Unwind_GetIPInfo): New function.
3801 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3802 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3804 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3805 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3806 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3807 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3808 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3809 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3810 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3811 x86_64_fallback_frame_state): Set fs->signal_frame.
3812 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3813 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3814 (frob_update_context): Likewise. Workaround missing S flag in
3815 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3816 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3817 Remove the psw_addr + 1 hack.
3819 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3821 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3822 with aggregates here.
3823 (find_func_aliases): Remove code for &<aggregate> from here.
3825 2006-02-26 Roger Sayle <roger@eyesopen.com>
3827 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3828 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3829 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3832 2006-02-26 Roger Sayle <roger@eyesopen.com>
3835 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3837 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3839 * opts.c (decode_options): Do not handle flag_strength_reduce.
3840 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3841 and OPT_fstrength_reduce.
3842 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3843 flag_prefetch_loop_arrays for being nonzero.
3844 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3846 (fprefetch-loop-arrays-rtl): Removed.
3847 (flag_prefetch_loop_arrays): Do not specify the value.
3849 * doc/passes.texi: Update documentation of loop optimizer
3851 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3852 -frerun-loop-opt): Remove.
3854 2006-02-26 Richard Guenther <rguenther@suse.de>
3856 PR tree-optimization/26421
3857 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3858 in function calls that are ADDR_EXPRs as using the whole structure.
3860 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3862 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3863 * tree-pass.h (pass_loop_optimize): Remove.
3864 * passes.c (pass_loop_optimize): Never run it.
3865 * toplev.c (backend_init): Don't call init_loop.
3866 * opts.c (flag_loop_optimize_set): Remove.
3867 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3868 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3869 the old RTL loop optimizer when profiling enabled.
3870 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3871 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3872 pre-headers for the sake of the old RTL loop optimizer.
3873 * Makefile.in: Remove all references to loop.o.
3875 * doc/invoke.texi: Remove all references to -floop-optimize
3876 and -frerun-loop-opt.
3878 2006-02-26 Zack Weinberg <zackw@panix.com>
3880 * doc/md.texi (Machine Constraints): Refer to all files with paths
3881 relative to gcc directory (i.e. config/CPU/file). Add missing
3882 @table @code ... @end table to M32C subsection.
3884 2006-02-26 Roger Sayle <roger@eyesopen.com>
3886 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3888 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3890 2006-02-26 Roger Sayle <roger@eyesopen.com>
3891 James A. Morrison <phython@gcc.gnu.org>
3894 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3895 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3896 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3897 signedness of the shift operation.
3899 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3901 PR tree-optimization/26359
3902 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3904 2006-02-25 Roger Sayle <roger@eyesopen.com>
3906 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3907 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3908 as X == 0, and some symmetry related transformations.
3909 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3911 2006-02-25 Roger Sayle <roger@eyesopen.com>
3914 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3915 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3916 symmetry related transformations. Fold (X^C1) == C2 as
3919 2006-02-25 Juergen Weigert <jw@suse.de>
3920 Richard Guenther <rguenther@suse.de>
3922 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3924 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3926 * combine.c (gen_lowpart_or_truncate): Call
3927 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3929 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3931 * doc/invoke.texi: Move -fopenmp description to "Options for
3933 Remove reference to -lgomp.
3935 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3937 * doc/install.texi: Require GNU tar version 1.14.
3939 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3941 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3942 * doc/invoke.texi (C++ Dialect Options): Document
3943 -fno-use-cxa-get-exception-ptr.
3944 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3945 * configure: Regenerate.
3946 * c.opt (fuse-cxa-get-exception-ptr): New.
3947 * c-opts.c (c_common_handle_option): Handle
3948 OPT_fuse_cxa_get_exception_ptr.
3949 * c-common.c (flag_use_cxa_atexit): Update documentation.
3950 (flag_use_cxa_get_exception_ptr): New.
3951 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3952 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3954 (C_COMMON_OVERRIDE_OPTIONS): New.
3956 2006-02-24 Roger Sayle <roger@eyesopen.com>
3959 * combine.c (try_combine): Explicitly check whether GET_CODE is
3960 a SET or a CLOBBER, instead on checking that it isn't a USE.
3962 2006-02-24 Roger Sayle <roger@eyesopen.com>
3964 * fold-const.c (fold_comparison): New subroutine of fold_binary
3965 containing transformations common to both the equality and
3966 ordering relational operators, factored out of fold_binary.
3967 (fold_binary): Separate out the equality operators (EQ_EXPR
3968 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3969 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3970 transformations common to both.
3971 (fold_div_compare): Fix latent bugs in the previously unreachable
3972 LT_EXPR and GE_EXPR cases.
3974 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3976 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3977 decl libname for clog to __clog on AIX.
3979 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3981 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3984 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3985 output traceback table for thunks. Localise rs6000_stack_info call.
3987 2006-02-23 Roger Sayle <roger@eyesopen.com>
3988 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3990 * gthr-posix.h (__gthrw): Fix typo in comment.
3992 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3994 * doc/cpp.texi (Character sets): Document that we do support
3995 input files to be in any character set.
3997 2006-02-23 Jeff Law <law@redhat.com>
3999 * tree.h (PHI_ARG_NONZERO): Remove.
4000 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4001 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4002 node to the new node.
4004 PR tree-optimization/26425
4005 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4006 min/max, then assume its varying.
4008 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4010 PR rtl-optimization/26316
4011 * rtlanal.c (enum may_trap_p_flags): New.
4012 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4013 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4014 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4015 (may_trap_after_code_motion_p): New function.
4016 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4017 (find_invariant_insn): Use may_trap_after_code_motion_p.
4018 * rtl.h (may_trap_after_code_motion_p): Declare.
4020 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4022 * emit-rtl.c (immed_double_const): Cleanup.
4024 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4026 Fix PR tree-optimization/26376
4027 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4030 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4033 * gimplify.c (omp_add_variable): Guard variable size decl test with
4034 DECL_SIZE (decl) check.
4036 2006-02-23 Richard Guenther <rguenther@suse.de>
4039 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4040 like aggregate types.
4042 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4044 * configure.ac: Add --with{,out}-long-double-128 configure option.
4045 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4046 * configure: Rebuilt.
4047 * config.in: Rebuilt.
4048 * doc/install.texi (Options specification): Document
4049 --with-long-double-128.
4051 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4052 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4053 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4054 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4056 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4058 * config/s390/s390.c (override_options): Handle
4059 TARGET_DEFAULT_LONG_DOUBLE_128.
4061 * config/alpha/alpha.c (override_options): Handle
4062 TARGET_DEFAULT_LONG_DOUBLE_128.
4064 * config/sparc/sparc.c (sparc_override_options): Handle
4065 TARGET_DEFAULT_LONG_DOUBLE_128.
4067 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4069 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4070 (real-install-headers-tar, real-install-headers-cpio)
4071 (real-install-headers-cp): New targets.
4073 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4075 * tree.h (variable_section): Delete.
4076 * varasm.c (variable_section): Delete.
4078 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4080 * install.texi: Add notes on install.texi2html.
4081 (Building in parallel): Do not use footnotes.
4083 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4086 * doc/install.texi (Configuration): Document --disable-libgomp.
4088 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4090 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4092 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4094 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4095 (vec_extractv2df_0_sse): New.
4097 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4099 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4100 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4101 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4102 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4103 to the result of the expression.
4104 (def_cfa_1): Adjust.
4105 (frame_pointer_cfa_offset): Rename to...
4106 (frame_pointer_fb_offset): ... this. Adjust all uses.
4107 (convert_cfa_to_loc_list): Rename to...
4108 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4109 Pass it on to build_cfa_loc.
4110 (compute_frame_pointer_to_cfa_displacement): Rename to...
4111 (compute_frame_pointer_to_fb_displacement): ... this. New
4112 offset parameter. Use it in computation.
4113 (gen_subprogram_die): Compute cfa_fb_offset with the new
4114 macro, and use it to compute the fb loc list and the
4117 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4119 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4120 replaced with register_operand.
4121 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4122 non-DREG is expensive.
4123 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4124 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4127 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4129 * doc/install.texi2html: Use set -e.
4131 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4133 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4134 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4135 * doc/invoke.texi (-fshared-data): Delete.
4136 * common.opt (fshared-data): Delete.
4137 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4138 (assemble_static_space): Remove #if 0 code.
4139 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4140 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4141 * config/cris/cris.h: Remove FIXME.
4143 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4145 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4148 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4151 * combine.c (simplify_shift_const_1): Disable nested shifts
4152 optimization for vector shifts.
4154 2006-02-20 Roger Sayle <roger@eyesopen.com>
4156 PR tree-optimization/26361
4157 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4158 of unsigned integer types.
4160 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4162 * tree-chrec.c (eq_evolutions_p): New.
4163 * tree-chrec.h (eq_evolutions_p): Declared.
4164 * tree-data-ref.c: Fix formatting.
4165 (datadep_stats, dependence_stats): New.
4167 (print_direction_vector): New.
4168 (dump_data_dependence_relation): Use print_direction_vector.
4169 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4170 (compute_subscript_distance): Static.
4171 (initialize_data_dependence_relation): Static. Get the number
4172 of loops surrounding the references from the callers, and initialize
4173 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4174 base_object_differ_p analyzers.
4175 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4176 compute_overlap_steps_for_affine_1_2,
4177 analyze_subscript_affine_affine): Count the classified dependences.
4178 Print a message when a test failed.
4179 (can_use_analyze_subscript_affine_affine): New.
4180 (analyze_siv_subscript): Compute the data dependences on symbolic
4181 scevs that verify can_use_analyze_subscript_affine_affine.
4182 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4183 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4184 Handle symbolic scevs.
4185 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4187 (subscript_dependence_tester): Moved...
4188 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4189 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4190 DDR_SIZE_VECT instead of getting it in parameter.
4191 (subscript_dependence_tester): ... here. Take as a parameter
4192 loop_nest_depth. Call build_classic_dist_vector and
4193 build_classic_dir_vector.
4194 (compute_affine_dependence): Update subscript_dependence_tester
4195 parameters. Update datadep_stats counters. Call
4196 compute_subscript_distance.
4197 (compute_self_dependence): Save the dist and dir vectors. Call
4198 compute_subscript_distance.
4199 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4200 (compute_all_dependences): Reorder parameters as they were before
4201 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4202 compute_subscript_distance. Update the use of
4203 compute_affine_dependence and initialize_data_dependence_relation.
4204 (find_data_references_in_loop): Handle COMPONENT_REF.
4205 (compute_data_dependences_for_loop): Initialize dependence_stats.
4206 Don't call build_classic_dist_vector and build_classic_dir_vector.
4207 Update the parameters of initialize_data_dependence_relation and
4208 compute_all_dependences. Print the statistics from datadep_stats.
4209 (analyze_all_data_dependences): Static. Not used until the pass for
4210 checking the data dependences is contributed.
4211 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4212 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4213 (initialize_data_dependence_relation, compute_affine_dependence,
4214 analyze_all_data_dependences, compute_subscript_distance): Removed.
4215 (print_direction_vector): New.
4216 * lambda.h (gcd): ... here.
4217 (lambda_vector_gcd): Moved here from gcd_vector.
4218 * lambda-code.c (gcd, gcd_vector): Removed.
4219 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4220 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4222 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4224 * ipa-type-escape.c: Tidy some comments and white space.
4225 * tree-ssa-operands.c: Likewise.
4227 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4230 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4231 (dump_decl_name): Do not walk the decl tree chains.
4232 * tree-pass.h (TDF_CHAIN): Remove.
4234 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4236 * Makefile.in (C): Remove
4238 (.PHONY): Remove C and PROTO
4240 2006-02-20 Roger Sayle <roger@eyesopen.com>
4243 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4244 deprecated CHAR_TYPE tree code.
4246 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4248 * configure.ac (target_list): Add install-info, dvi, html.
4249 * configure: Regenerate.
4251 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4252 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4253 treelang/Make-lang.in: Do not use double-colon rules.
4255 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4257 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4258 (TMT_USED_ALONE): New macro.
4259 * tree-pass.h (PROP_tmt_usage): New property.
4260 (TODO_update_tmt_usage): New todo.
4261 * tree-ssa-alias.c (updating_used_alone): New variable.
4262 (recalculate_used_alone): New function.
4263 (compute_may_aliases): Set updating_used_alone, call
4264 recalculate_used_alone.
4265 * tree-sra.c (pass_sra): Note that this pass destroys
4266 PROP_tmt_usage, and add TODO_update_tmt_usage.
4267 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4268 * tree-flow.h (updating_used_alone): Prototype.
4269 (recalculate_used_alone): Ditto.
4270 * passes.c (execute_todo): Add code to set updating_used_alone,
4271 and call recalculate.
4272 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4273 for clobber if used alone, and add assert to verify used_alone
4276 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4278 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4279 for non tls symbols added.
4280 (legitimize_address): Do nothing for PLUS expressions if one of the
4281 addends is a tls symbol reference.
4283 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4287 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4289 * Makefile.in (BOOTSTRAPPING): New.
4290 (quickstrap): New definition if BOOTSTRAPPING=yes.
4292 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4293 * configure.ac: Substitute all_selected_languages with the languages
4294 that were configured. For all the other variables except
4295 lang_specs_files, include all the languages in the tree.
4296 * configure: Regenerate.
4298 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4299 if there is one. Run the commands to run fixincludes in the same
4302 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4303 * doc/install.texi: Document exact conventions for searching target tools.
4304 Document --with-build-time-tools. Document toplevel bootstrap. Document
4305 something more about building an Ada cross-compiler. Don't list GNU Make
4306 requirements which affect all platforms.
4308 2006-02-19 Roger Sayle <roger@eyesopen.com>
4311 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4312 only equivalent if the have both the same mode and precision.
4314 2006-02-20 Ben Elliston <bje@au.ibm.com>
4316 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4318 2006-02-19 Roger Sayle <roger@eyesopen.com>
4319 Steven Bosscher <stevenb.gcc@gmail.com>
4321 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4322 constant pool references to identify stack mode constants.
4323 * rtlanal.c (constant_pool_constant_p): New predicate to check
4324 whether operand is a floating point constant in the pool.
4325 * rtl.h (constant_pool_constant_p): Prototype here.
4326 * loop.c (scan_loop): Avoid hoisting constants from the constant
4327 pool on STACK_REGS targets.
4328 (load_mems): Likewise.
4329 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4330 loads into x87 registers expensive in terms of register pressure.
4332 2006-02-19 Roger Sayle <roger@eyesopen.com>
4334 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4335 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4337 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4339 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4340 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4342 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4344 * doc/invoke.texi: Document -fipa-pta.
4345 * common.opt: Add ipa-pta option.
4346 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4347 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4348 (do_ds_constraint): Ditto.
4349 (get_constraint_for): Only add to referenced_vars if
4350 referenced_vars exists.
4351 (insert_into_field_list): Rewrite to do this unsorted.
4352 (insert_into_field_list_sorted): Rename old insert_into_field_list
4354 (create_function_info_for): Use insert_into_field_list_sorted.
4355 (create_variable_info_for): Rewrite so it uses unsorted version,
4356 since the field list is sorted.
4357 (intra_create_variable_infos): Only add to referenced_vars if
4358 referenced_vars exists.
4359 (ipa_pta_execute): Init heapvars, and delete when done.
4360 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4362 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4364 * doc/install.texi: Add missing `@samp'.
4366 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4368 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4371 2006-02-18 Mark Wielaard <mark@klomp.org>
4373 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4374 who added new 4.1 features, bug fixes and integration support.
4376 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4379 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4382 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4384 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4385 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4386 (copy_insn_1): Likewise. Don't copy each field individually.
4388 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4390 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4391 * rtl.c (rtx_size): Rename variable to...
4392 (rtx_code_size): ...this.
4393 (rtx_size): New function.
4394 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4395 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4397 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4398 * rtl.h (rtx_code_size): New variable.
4399 (rtx_size): Change from a variable to a function.
4400 (RTX_SIZE): Rename to...
4401 (RTX_CODE_SIZE): ...this.
4404 PR tree-optimization/17106
4405 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4406 (Anchored Addresses): New section.
4407 * doc/invoke.texi (-fsection-anchors): Document.
4408 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4409 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4410 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4411 * hooks.c (hook_bool_mode_rtx_false): New function.
4412 * hooks.h (hook_bool_mode_rtx_false): Declare.
4413 * gengtype.c (create_optional_field): New function.
4414 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4415 SYMBOL_REF_IN_BLOCK_P is true.
4416 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4417 (min_anchor_offset, max_anchor_offset): Likewise.
4418 (use_anchors_for_symbol_p): New hook.
4419 * toplev.c (compile_file): Call output_object_blocks.
4420 (target_supports_section_anchors_p): New function.
4421 (process_options): Check that -fsection-anchors is only used on
4422 targets that support it and when -funit-at-a-time is in effect.
4423 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4424 if the decl doesn't have one.
4425 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4426 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4427 of force_const_mem through use_anchored_address.
4428 (expand_expr_constant): New function.
4429 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4430 calling expand_expr for INDIRECT_REF.
4431 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4432 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4433 * expr.h (use_anchored_address): Declare.
4434 * loop-unroll.c: Don't declare rtx vectors here.
4435 * explow.c: Include output.h.
4436 (validize_mem): Call use_anchored_address.
4437 (use_anchored_address): New function.
4438 * common.opt (-fsection-anchors): New switch.
4439 * varasm.c (object_block_htab, anchor_labelno): New variables.
4440 (hash_section, object_block_entry_eq, object_block_entry_hash)
4441 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4442 (use_blocks_for_decl_p, change_symbol_section): New functions.
4443 (get_variable_section): New function, split out from assemble_variable.
4444 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4445 use_blocks_for_decl_p say so. Use change_symbol_section if the
4446 symbol has already been created.
4447 (assemble_variable_contents): New function, split out from...
4448 (assemble_variable): ...here. Don't output any code for
4449 block symbols; just pass them to place_block_symbol.
4450 Use get_variable_section and assemble_variable_contents.
4451 (get_constant_alignment, get_constant_section, get_constant_size): New
4452 functions, split from output_constant_def_contents.
4453 (build_constant_desc): Create a block symbol if use_object_blocks_p
4454 says so. Or into SYMBOL_REF_FLAGS.
4455 (assemble_constant_contents): New function, split from...
4456 (output_constant_def_contents): ...here. Don't output any code
4457 for block symbols; just pass them to place_section_symbol.
4458 Use get_constant_section and get_constant_alignment.
4459 (force_const_mem): Create a block symbol if use_object_blocks_p and
4460 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4461 (output_constant_pool_1): Add an explicit alignment argument.
4462 Don't switch sections here.
4463 (output_constant_pool): Adjust call to output_constant_pool_1.
4464 Switch sections here instead. Don't output anything for block symbols;
4465 just pass them to place_block_symbol.
4466 (init_varasm_once): Initialize object_block_htab.
4467 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4468 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4469 (place_block_symbol, get_section_anchor, output_object_block)
4470 (output_object_block_htab, output_object_blocks): New functions.
4471 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4472 (TARGET_ASM_OUT): Include it.
4473 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4474 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4475 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4476 (TARGET_INITIALIZER): Include them.
4477 * rtl.c (rtl_check_failed_block_symbol): New function.
4478 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4479 (block_symbol, object_block): New structures.
4480 (rtx_def): Add a block_symbol field to the union.
4481 (BLOCK_SYMBOL_CHECK): New macro.
4482 (rtl_check_failed_block_symbol): Declare.
4483 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4484 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4485 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4486 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4487 * output.h (output_section_symbols): Declare.
4488 (object_block): Name structure.
4489 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4490 (default_use_anchors_for_symbol_p): Declare.
4491 * Makefile.in (RTL_BASE_H): Add vec.h.
4492 (explow.o): Depend on output.h.
4493 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4494 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4495 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4496 (rs6000_use_blocks_for_constant_p): New function.
4498 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4500 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4502 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4505 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4508 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4510 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4514 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4517 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4518 instead of DECL_REGISTER.
4520 2006-02-18 Olivier Hainque <hainque@adacore.com>
4523 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4525 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4528 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4529 * opth-gen.awk: Handle Var and InverseMask together.
4530 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4531 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4532 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4533 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4535 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4536 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4537 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4538 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4539 LINUX_DYNAMIC_LINKER): Define.
4540 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4541 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4543 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4544 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4545 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4546 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4547 (TARGET_C99_FUNCTIONS): Don't define.
4548 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4549 GLIBC_DYNAMIC_LINKER.
4550 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4551 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4552 GLIBC_DYNAMIC_LINKER64): Define.
4553 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4554 LINUX_DYNAMIC_LINKER64.
4555 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4556 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4557 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4558 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4559 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4560 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4561 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4562 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4563 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4564 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4565 and LINUX_DYNAMIC_LINKER32.
4566 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4567 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4568 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4569 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4570 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4572 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4573 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4574 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4575 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4576 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4577 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4578 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4579 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4580 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4581 LINUX_DYNAMIC_LINKER): Define.
4582 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4583 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4584 GLIBC_DYNAMIC_LINKER64): Define.
4585 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4586 LINUX_DYNAMIC_LINKER64.
4587 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4588 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4589 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4590 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4591 LINUX_DYNAMIC_LINKER): Define.
4592 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4593 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4594 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4595 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4596 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4597 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4598 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4599 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4600 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4601 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4602 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4603 * doc/invoke.texi (-muclibc): Remove caveat about supported
4606 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4608 * doc/cpp.texi (__TIMESTAMP__): Document.
4610 2006-02-17 Roger Sayle <roger@eyesopen.com>
4613 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4614 C is one less than the width of X (and related transformations).
4615 * simplify-rtx.c (simplify_unary_operation_1): Transform
4616 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4617 depending on STORE_FLAG_VALUE, were C is one less then the
4620 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4622 Fix PR tree-optimization/26341
4623 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4624 about NAME_MEMORY_TAG's.
4626 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4629 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4630 with hardware float support, and software float support. Add fcpy
4631 alternative to hardware patterns. Add alternatives to copy between
4632 general and floating-point registers to the 32-bit pattern.
4633 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4634 secondary reload to load a QI or HI mode constant into a floating
4636 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4637 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4639 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4642 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4644 (load_macho_picbase_di): Likewise.
4646 2006-02-16 Jeff Law <law@redhat.com>
4648 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4649 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4650 (ssa_name_nonzero_p): Likewise.
4651 (get_value_range): Return NULL if VRP is not running.
4652 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4653 VRP routines do not discover a range.
4654 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4655 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4656 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4657 (tree_expr_nonnegative_p): Similarly.
4658 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4659 (restore_nonzero_vars_to_original_value): Remove.
4660 (unsafe_associative_fp_binop): Remove.
4661 (tree_ssa_dominator_optimize): Remove initialization and
4662 finalization of nonzero_vars and nonzero_vars_stack.
4663 (dom_opt_initialize_block): No longer push marker on
4665 (dom_opt_finalize_block): No longer call
4666 restore_nonzero_vars_to_original_value.
4667 (record_equivalences_from_phis): No longer look for
4668 nonzero PHI arguments.
4669 (cprop_into_successor_phis): No longer propagate nonzero
4670 property into PHI arguments. Lose unused argument. Caller
4672 (record_equivalences_from_stmt): No longer record nonzero
4673 values for SSA_NAMEs.
4674 (lookup_avail_expr): No longer use nonzero_vars.
4676 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4677 for sizetype when sizetype is unsigned.
4679 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4681 PR rtl-optimization/25603
4682 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4683 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4684 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4685 with new meaning of SETS.
4687 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4692 * config/linux.opt: New file.
4693 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4694 LINUX_DYNAMIC_LINKER): Define.
4695 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4696 * config.gcc (*-*-linux*): Define extra_options.
4697 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4698 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4699 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4700 GLIBC_DYNAMIC_LINKER.
4701 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4702 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4703 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4704 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4705 * doc/invoke.texi (GNU/Linux Options): New section.
4707 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4709 * config/sparc/sparc.md (setjmp): Rewrite.
4710 (setjmp_32): Delete.
4711 (setjmp_64): Likewise.
4713 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4715 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4718 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4720 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4723 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4725 PR rtl-optimization/26296
4726 * Makefile.in (loop-invariant.c): Add except.h dependency.
4727 * loop-invariant.c: Include except.h.
4728 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4730 2005-02-16 Paul Brook <paul@codesourcery.com>
4732 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4735 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4737 PR rtl-optimization/25636
4738 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4739 when deciding whether an insn is an initializing insn.
4741 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4743 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4744 (tree_code_size): Ditto.
4745 * tree.h (struct tree_memory_tag): Remove parent_var.
4746 (struct tree_struct_field_tag): New.
4749 (union tree_node): Add sft member.
4750 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4752 (create_sft): Add size and offset argument, set SFT_OFFSET and
4754 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4755 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4756 * tree-flow-inline.h (get_subvar_at): Update for
4757 SFT_OFFSET/SFT_SIZE.
4758 (var_can_have_subvars): Ditto.
4759 (overlap_subvar): Ditto.
4760 * print-tree.c (print_node): Print out interesting things for
4762 * tree-flow.h (struct subvar): Remove offset and size members.
4763 * tree-ssa-operands.c (get_expr_operands): Update for
4764 get_indirect_ref_operands changes.
4765 (get_indirect_ref_operands): Call add_virtual_operand instead of
4766 add_stmt_operand. Only recurse on base var if requested.
4767 (access_can_touch_variable): New function.
4768 (add_stmt_operand): Split virtual operand handling into ...
4769 (add_virtual_operand): Here. Add offset, size, and for_clobber
4770 arguments. Prune alias sets.
4771 (add_call_clobber_ops): Call add_virtual_operand.
4773 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4776 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4778 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4779 than TREE_CODE as index into omp_clause_num_ops array.
4781 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4783 PR rtl-optimization/26184
4784 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4786 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4787 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4788 must_precede, must_follow and tobe_scheduled.
4791 * opts.c (common_handle_option): Free new_option pointer.
4792 * df-core.c (df_analyze): Free postorder pointer.
4794 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4796 * Makefile.in: Fix the examples about the use of stamps
4798 2006-02-15 Michael Matz <matz@suse.de>
4802 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4803 influenced by maximum_field_alignment or DECL_PACKED.
4804 (update_alignment_for_field): Ditto.
4805 (place_field): Ditto.
4806 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4809 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4811 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4812 (debug_flow_info): Pass it.
4813 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4814 * bb-reorder.c (reorder_basic_blocks): Likewise.
4815 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4816 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4817 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4818 * gcse.c (gcse_main, bypass_jumps): Likewise.
4819 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4820 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4821 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4822 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4823 * rtl.h (dump_flow_info): Adjust prototype.
4824 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4825 * var-tracking.c (variable_tracking_main): Likewise.
4826 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4827 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4830 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4832 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4835 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4837 PR tree-optimization/26209
4838 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4839 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4841 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4843 2006-02-14 Roger Sayle <roger@eyesopen.com>
4846 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4847 (X,Y) and the corresponding symmetry related transformations.
4848 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4849 (X,Y) and its symmetry related transformations.
4851 2006-02-14 Roger Sayle <roger@eyesopen.com>
4853 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4856 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4858 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4860 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4863 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4864 support COMDAT group.
4865 * configure: Regenerate.
4867 2006-02-14 Roger Sayle <roger@eyesopen.com>
4872 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4874 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4876 Fix PR tree-optimization/26260
4878 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4880 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4881 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4882 * tree-ssa-structalias.c (create_variable_info_for): Use
4883 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4885 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4887 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4889 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4890 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4891 of the ending condition.
4892 * tree-ssa-loop-manip.c: Include params.h.
4893 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4894 tree_unroll_loop): New functions.
4895 * tree-pass.h (pass_loop_prefetch): Declare.
4896 * loop.c (rest_of_handle_loop_optimize): Test for
4897 -fprefetch-loop-arrays-rtl.
4898 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4899 * timevar.def (TV_TREE_PREFETCH): New timevar.
4900 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4901 pass_loop_prefetch): New.
4902 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4903 (cleanup_tree_cfg_loop): Call scev_reset.
4904 * common.opt (fprefetch-loop-arrays-rtl): Add.
4905 * tree-ssa-loop-prefetch.c: New file.
4906 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4907 (new_temp_expr_table): Initialize expr_vars.
4908 (free_temp_expr_table): Cleanup expr_vars.
4909 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4910 expressions from being merged into one.
4911 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4912 (struct tree_niter_desc): Add control, bound and cmp fields.
4913 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4915 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4916 (tree-cfgcleanup.o): Add SCEV_H dependency.
4917 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4918 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4920 2006-02-14 Richard Guenther <rguenther@suse.de>
4922 PR tree-optimization/26258
4923 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4924 in PHI argument processing.
4926 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4928 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4929 new expression in the requested machine mode.
4931 2006-02-13 Roger Sayle <roger@eyesopen.com>
4933 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4934 directly, instead let do_compare_rtx_and_jump handle this for us.
4935 * expr.c (expand_expr_real_1): Likewise.
4936 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4937 before do_jump_by_parts_greater.
4938 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4939 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4941 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4943 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4945 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4947 PR rtl-optimization/26235
4948 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4949 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4952 2006-02-13 Jeff Law <law@redhat.com>
4954 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4957 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4960 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4961 twice if decl is a builtin. When trying again, call get_callee_fndecl
4962 first to verify it is still a builtin.
4964 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4966 * dwarf2out.c (base_type_die): Don't add AT_name here.
4967 (subrange_type_die): Don't add AT_name here.
4968 (modified_type_die): Rearrange code flow. Do add AT_name here.
4970 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4972 PR rtl-optimization/26247
4973 PR rtl-optimization/26248
4974 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4976 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4978 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4979 * config/fixtfdi.c: Likewise.
4980 * config/fixunstfdi.c: Likewise.
4981 * config/floatditf.c: Likewise.
4983 2006-02-13 Roger Sayle <roger@eyesopen.com>
4986 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4987 into (X,C2) if C1 is a subset of the bits of C2. Transform
4988 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4990 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4992 2006-02-13 Josh Conner <jconner@apple.com>
4995 * varasm.c (function_section): Check for section name before
4996 calling select_section on targets that define
4997 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4998 unlikely_text_section instead of hot_function_section if
4999 first_function_block_is_cold.
5001 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5004 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5006 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5008 PR rtl-optimization/26222
5009 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5010 after tree->rtl expansion.
5011 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5012 before passing it to emit_move_insn.
5014 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5016 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5018 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5019 Clarify documentation.
5020 * c-common.h (warn_write_strings): Remove.
5021 * c-common.c (warn_write_strings): Likewise.
5022 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5025 2006-02-12 Roger Sayle <roger@eyesopen.com>
5028 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5029 (do_jump_parts_zero_rtx): New function renamed from
5030 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5031 (do_jump_parts_equality_rtx): New function split out from
5032 do_jump_parts_equality. Old implementation renamed as above.
5033 Call do_jump_parts_zero_rtx if either operand is zero.
5034 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5035 do all of the heavy lifting.
5036 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5037 calling either do_jump_by_parts_greater_rtx or
5038 do_jump_by_parts_equality_rtx.
5039 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5040 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5041 moved to do_compare_rtx_and_jump, call it directly.
5042 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5043 mode argument. Call do_compare_rtx_and_jump.
5044 (emit_case_nodes): Update calls to do_jump_if_equal.
5046 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5048 PR rtl-optimization/26225
5049 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5051 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5053 PR rtl-optimization/26232
5054 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5056 2006-02-11 Jason Merrill <jason@redhat.com>
5059 * tree-inline.c (declare_return_variable): Just don't use the
5060 modify target if it's a gimple complex reg and the return slot
5063 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5065 * doc/contrib.texi: Update my entry.
5067 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5069 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5071 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5073 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5076 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5078 * doc/invoke.texi (-floop-optimize2): Removed.
5079 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5080 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5081 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5082 * common.opt (floop-optimize2): Removed.
5083 (fmove-loop-invariants): Enabled by default.
5085 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5087 * tree-if-conv.c (combine_blocks): Free the result of
5088 get_loop_exit_edges.
5090 2006-02-10 Jeff Law <law@redhat.com>
5092 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5094 PR tree-optimization/26213
5095 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5096 loop trying to follow SSA_NAME_VALUE chains.
5098 2006-02-10 Richard Guenther <rguenther@suse.de>
5100 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5101 deal with structures that end in implicitly variable sized arrays.
5103 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5105 PR rtl-optimization/24762
5106 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5109 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5111 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5112 (struct ivopts_data): Add regs_used field.
5113 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5114 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5115 instead of loop_data->regs_used;
5116 (free_loop_data): Do not free aux fields for loops.
5117 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5118 and tree_ssa_iv_optimize_finalize.
5120 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5122 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5124 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5127 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5128 computing the effective result type.
5130 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5133 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5134 (tree_overlaps_hard_reg_set): Declare.
5135 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5136 type and signature to match function type expected by walk_tree.
5137 (tree_overlaps_hard_reg_set): New function.
5138 (decl_conflicts_with_clobbers_p): Rename to:
5139 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5140 Use tree_overlaps_hard_reg_set. Changed caller.
5141 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5142 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5143 * cris.c (cris_md_asm_clobbers): Likewise.
5145 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5147 * reload1.c (emit_input_reload_insns): Delete code that tries to
5148 inherit using find_equiv_reg.
5150 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5152 * c-common.h (flag_const_strings): Don't declare.
5153 * c-common.c (flag_const_strings): Remove.
5154 * c.opt (fconst_strings): Remove.
5155 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5156 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5157 (c_common_init_options): Don't set flag_const_strings.
5158 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5160 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5162 * arm.md (tlobits_cbranch): New pattern.
5163 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5164 testing a single bit.
5166 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5169 * tree-ssa-pre.c (create_component_ref_by_pieces):
5170 Handle RETURN_DECL like VAR_DECL.
5172 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5175 * fold-const.c (fold_indirect_ref_1): Fold
5176 "*(foo *)&complexfoo" to "__real__ complexfoo"
5177 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5179 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5181 * tree-flow-inline.h (var_can_have_subvars):
5182 Volatile variables should not have subvariables.
5184 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5187 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5188 multiplying unsigned values.
5191 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5193 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5195 2006-02-08 Jason Merrill <jason@redhat.com>
5198 * tree.def: Elaborate on difference from MODIFY_EXPR.
5199 * doc/c-tree.texi (INIT_EXPR): Likewise.
5200 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5201 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5202 (gimplify_target_expr): Likewise.
5203 (gimplify_cond_expr): Remove target handling.
5204 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5205 (gimplify_expr): Clobber it here.
5206 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5207 Do return slot optimization if we have an INIT_EXPR.
5210 * tree-inline.c (declare_return_variable): Also clear
5211 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5214 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5217 * gimplify.c (gimplify_one_sizepos): Fix typo.
5219 2006-02-08 Jeff Law <law@redhat.com>
5221 PR tree-optimization/21417
5222 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5223 across a backedge if the control statement at the end of the
5224 block is data dependent on other statements in the same block.
5225 (record_temporary_equivalences_from_stmts): Remove over-conservative
5226 test for threading across backedges.
5228 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5229 control statement, handle all three special cases in the same
5230 manner as they all have the same desired solution. No longer
5231 special case edge flag updating when the post dominator is
5234 2006-02-08 Roger Sayle <roger@eyesopen.com>
5236 * tree.def (CHAR_TYPE): Remove.
5237 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5238 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5239 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5240 (gen_string_type_die): Delete unreachable function.
5242 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5243 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5244 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5245 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5246 * builtins.c (type_to_class): Likewise.
5247 * fold-const.c (fold_convert, build_range_check,
5248 merge_ranges): Likewise.
5249 * expr.c (count_type_elements): Likewise.
5250 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5251 * stor-layout.c (layout_type): Likewise.
5252 * ipa-type-escape.c (type_to_consider): Likewise.
5253 * gimplify.c (omp_firstprivatize_type_sizes,
5254 gimplify_type_sizes): Likewise.
5255 * explow.c (promote_mode): Likewise.
5256 * tree-sra.c (is_sra_scalar_type): Likewise.
5257 * varasm.c (output_constant): Likewise.
5258 * tree-inline.c (remap_type_1): Likewise.
5259 * convert.c (convert_to_pointer, convert_to_real,
5260 convert_to_integer, convert_to_complex): Likewise.
5262 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5264 * df-scan.c (df_def_record_1): A set destination may
5265 be a parallel regardless of mode.
5267 2006-02-08 Roger Sayle <roger@eyesopen.com>
5270 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5271 * config/mips/_tilib.c: Remove.
5272 * config/fixtfdi.c: New libgcc source file.
5273 * config/fixunstfdi.c: New source file.
5274 * config/floatditf.c: New source file.
5275 * config/floatunditf.c: New souce file.
5276 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5277 files above instead of config/mips/_tilib.c.
5278 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5280 2006-02-08 Jeff Law <law@redhat.com>
5282 PR tree-optimization/26169
5283 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5286 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5288 * df.h (DF_REG_SIZE): Return the length of the initialized
5291 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5293 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5294 __muldf3): Return a correctly signed zero.
5296 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5298 * passes.c (register_one_dump_file): Accept the current properties
5299 instead of pass number. Adjust call to dump_register. Remove
5301 (register_dump_files): Now a wrapper around...
5302 (register_dump_files_1): ... this one. Do not modify the pass
5304 (next_pass_1): Cosmetic fix.
5305 (execute_todo): Keep second parameter only. Use curr_properties
5306 instead of fetching it from the pass structure. Check and set
5308 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5309 instead of fetching it from the pass structure. Fix calls to
5310 execute_todo. Update curr_properties and initialize .vcg RTL dump
5311 after running the pass. Reset last_verified.
5312 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5314 (FIRST_AUTO_NUMBERED_DUMP): New.
5315 (dump_register): Remove "num" parameter, assign it within the
5317 (get_dump_file_name): Modify template for dumps.
5318 * tree-dump.h (dump_register): Adjust prototype.
5319 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5320 (PROP_trees): Add PROP_gimple_lomp.
5321 (TODO_set_props): New.
5322 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5323 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5324 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5326 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5328 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5329 (sparc64-*-linux*): Likewise.
5330 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5331 * config/sparc/t-linux: New file.
5332 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5333 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5334 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5335 -m32 -mlong-double-128.
5337 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5338 * config/alpha/t-linux: New file.
5339 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5341 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5342 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5343 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5344 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5345 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5346 (CPP_ARCH32_SPEC): Remove.
5348 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5350 PR tree-optimization/26145
5351 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5354 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5357 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5358 >= 240000 when generating code for SOM runtime.
5359 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5360 to $$dyncall when generating code for SOM runtime..
5362 2006-02-07 Dirk Mueller <dmueller@suse.com>
5365 * doc/invoke.texi (-Wsequence-point): Update documentation
5366 that -Wsequence-point is implemented for C++ as well.
5368 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5370 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5371 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5372 (LIB_SPEC): Likewise.
5373 * doc/invoke.texi (SPARC options): Document -pthread.
5375 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5377 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5380 2006-02-07 Roger Sayle <roger@eyesopen.com>
5382 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5383 Correct comment describing BOOLEAN_TYPE.
5385 2006-02-07 Dirk Mueller <dmueller@suse.com>
5387 * c.opt: C++ frontend supports -Wdiv-by-zero.
5388 * c-opts.c (c_common_handle_option): Remove dead case.
5390 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5392 * configure.ac (TLS assembler check): Do not enable TLS by
5393 default on SPARC/Solaris before version 10.
5394 * configure: Regenerate.
5396 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5398 * doc/invoke.texi (xl-compat): Document conversion and support
5401 2006-02-07 Jeff Law <law@redhat.com>
5403 * tree-vrp.c (find_conditional_asserts): Update comments.
5404 (simplify_stmt_for_jump_threading): New.
5405 (identify_jump_threads, finalize_jump_threads): New.
5406 (vrp_finalize): Call identify_jump_threads.
5407 (execute_vrp): Call finalize_jump_threads.
5408 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5409 (vrp_element, vrp_data, vrp_element_p): Remove.
5410 (vrp_hash_elt, vrp_variables_stack): Remove.
5411 (vrp_hash, vrp_eq, record_range): Remove.
5412 (simplify_cond_and_lookup_avail_expr): Remove.
5413 (extract_range_from_cond): Remove.
5414 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5415 (simplify_stmt_for_jump_threading): New.
5416 (dom_thread_across_edge): New wrapper.
5417 (tree_ssa_dominator_optimize): No longer initialize or
5418 finalize any of the VRP datastructures. Remove iteration
5419 step and simplify as a result of removal of iteration step.
5420 (pass_dominator): Perform a cfg cleanup after DOM.
5421 (dom_opt_finalize_block): Use the new common routines
5422 for threading jumps. Simplify stack management slightly.
5423 No longer need to unwind VRP state.
5424 (record_equivalences_from_incoming_edge): No longer record
5426 (eliminate_redundant_computations): No longer call
5427 simplify_cond_and_lookup_avail_expr.
5428 * tree-flow.h (potentially_threadable_block): Prototype.
5429 (thread_across_edge): Likewise.
5430 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5431 (tree-ssa-threadedge.o): Add dependencies.
5432 * tree-ssa-threadedge.c: New file.
5433 * passes.c (init_optimization_passes): Merge PHIs before
5434 calling VRP. Run VRP again late in the SSA optimization pipeline.
5436 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5438 * df-core.c (df_set_blocks): Do not dereference function pointers.
5439 (df_finish1): Likewise.
5440 (df_hybrid_search_forward): Likewise.
5441 (df_hybrid_search_backward): Likewise.
5442 (df_iterative_dataflow): Likewise.
5443 (df_analyze_problem): Likewise.
5444 (df_compact_blocks): Likewise.
5445 (df_dump): Likewise.
5446 * df-scan.c (df_rescan_blocks): Likewise.
5447 (df_record_entry_block_defs): Likewise.
5449 * genconditions.c (write_conditions): Guard the definition of
5450 'insn_conditions' with the check on GCC version.
5451 (write_writer): Guard the traversal 'insn_conditions' with
5452 the check on GCC version.
5454 2006-02-07 Richard Guenther <rguenther@suse.de>
5458 2006-01-30 Richard Guenther <rguenther@suse.de>
5460 * gimplify.c (gimplify_target_expr): Handle easy cases
5461 without creating a temporary.
5463 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5465 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5466 use of float in probability computations. Use edge probabilities
5467 in place of statically computed probabilities.
5468 (min_spec_prob): New static variable.
5469 (schedule_insns): Initialize it.
5470 (GET_SRC_PROB): Removed.
5471 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5473 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5476 * config/ia64/unwind-ia64.c: Revert last change.
5477 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5478 (INCOMING_FRAME_SP_OFFSET): Define.
5480 2006-02-06 Roger Sayle <roger@eyesopen.com>
5482 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5484 2006-02-07 Ben Elliston <bje@au.ibm.com>
5486 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5487 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5488 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5489 (ix86_return_in_memory): Handle TDmode.
5490 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5491 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5493 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5495 * reorg.c (dbr_schedule): Use dump_file instead of file.
5497 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5500 * config/ia64/predicates.md (extr_len_operand): New predicate.
5501 * config/ia64/ia64.md (extv): Tighten constraints.
5503 (*tbit_and_2): Ditto.
5504 (*tbit_and_3): Ditto.
5505 (*tbit_or_2): Ditto.
5506 (*tbit_or_3): Ditto.
5510 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5513 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5515 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5517 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5518 loop_optimizer_init and loop_optimizer_finalize
5519 * tree-ssa-sink.c (execute_sink_code): Ditto.
5520 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5521 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5522 tree_ssa_loop_done): Ditto.
5523 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5524 * sched-ebb.c: Include output.h.
5525 (schedule_ebbs): Do not use dump argument.
5526 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5527 * loop.c (loop_dump_stream): Removed.
5528 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5530 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5531 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5532 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5533 loop_iterations, strength_reduce, record_biv, record_giv,
5534 final_giv_value, check_final_value, check_ext_dependent_givs,
5535 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5536 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5537 dump_file instead of loop_dump_stream.
5538 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5540 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5542 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5543 * haifa-sched.c: Include output.h
5544 (schedule_insns, sched_init): Do not use dump argument.
5545 * mode-switching.c (optimize_mode_switching): Ditto.
5546 * modulo-sched.c (stats_file): Removed.
5547 (print_node_sched_params): Do not call argument dump_file.
5548 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5549 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5551 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5553 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5554 rtl_loop_init, rtl_loop_done): Ditto.
5555 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5556 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5558 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5559 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5560 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5561 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5562 * emit-rtl.c (renumber_insns): Ditto.
5563 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5564 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5565 * regclass.c (regclass): Ditto.
5566 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5567 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5568 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5569 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5571 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5572 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5574 * gcse.c (gcse_file, debug_stderr): Removed.
5575 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5576 rest_of_handle_gcse): Do not use dump argument.
5577 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5578 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5579 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5580 compute_code_hoist_vbeinout, compute_code_hoist_data,
5581 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5582 compute_store_table, build_store_vectors, insert_insn_start_bb,
5583 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5584 store_motion): Use dump_file instead of gcse_file.
5585 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5586 * profile.c (profile_dump_file): Removed.
5587 (branch_prob): Use dump_file instead of profile_dump_file.
5588 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5590 * tree-ssa-copy.c (dump_copy_of): Ditto.
5591 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5592 dump file to life_analysis.
5593 * bt-load.c (branch_target_load_optimize): Ditto.
5594 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5596 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5597 regclass, dbr_schedule): Declaration changed.
5598 * sched-int.h (sched_init): Declaration changed.
5599 * tree-profile.c (tree_profile_dump_file): Removed.
5600 (tree_profile_hooks): Removed profile_dump_file hook.
5601 * rtl-profile (rtl_profile_dump_file): Removed.
5602 (rtl_profile_hooks): emoved profile_dump_file hook.
5603 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5605 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5606 * tree-cfg.c (build_tree_cfg): Ditto.
5607 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5608 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5609 Declaration changed.
5610 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5611 life_analysis and schedule_insns.
5612 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5614 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5616 * config/mips/mips.c (mips_reorg): Ditto.
5617 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5620 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5622 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5623 (s390_mangle_fundamental_type): New.
5624 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5627 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5628 (alpha_mangle_fundamental_type): New.
5629 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5632 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5634 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5636 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5637 (sparc_mangle_fundamental_type): New.
5639 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5641 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5642 (s390x-*-linux*): Likewise.
5643 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5644 * config/s390/t-linux: New file.
5646 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5648 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5649 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5651 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5653 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5654 (ANTIC_SAFE_LOADS): New macro.
5655 (find_or_generate_expression): Add prototype.
5656 (set_contains_value): Allow null set for sake of not always having
5657 to allocate ANTIC_SAFE_LOADS.
5658 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5659 Allow COMPONENT_REF too.
5660 (valid_in_set): Allow COMPONENT_REF.
5661 Check ANTIC_SAFE_LOADS too.
5662 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5663 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5665 (can_PRE_operation): Add COMPONENT_REF.
5666 (create_component_ref_by_pieces): New function.
5667 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5668 (insert_aux): Move AGGREGATE_TYPE_P check here.
5669 (compute_avail): Set bb local stmt uids.
5670 (pass_pre): Use TODO_update_ssa_only_virtuals.
5672 2006-02-06 Ben Elliston <bje@au.ibm.com>
5674 * configure.ac: Unconditionally disable decimal float by default.
5675 * configure: Regenerate.
5677 2006-02-06 Ben Elliston <bje@au.ibm.com>
5679 * read-rtl.c (read_name): Terminate reading on EOF.
5681 2006-02-06 Ben Elliston <bje@au.ibm.com>
5683 * dfp.c (decimal_real_arithmetic): Change second argument type
5684 from int to enum tree_code. Do not always return true, but now
5685 return result of any call to decimal_do helper functions.
5686 * dfp.h (decimal_real_arithmetic): Update prototype.
5688 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5690 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5692 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5695 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5698 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5700 * tree-vrp.c (cfg_loops): Removed.
5701 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5702 Use current_loops instead of cfg_loops. Pass flags to
5703 loop_optimizer_init.
5704 * cfgloopmanip.c (fix_loop_structure): Update only available
5706 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5707 loop_optimizer_init.
5708 * modulo-sched.c (build_loops_structure): Removed.
5709 (sms_schedule): Use loop_optimizer_init.
5710 * loop-init.c (loop_optimizer_init): Use flags to determine
5711 which properties of loops to prepare.
5712 (rtl_loop_init): Pass flags to loop_optimizer_init.
5713 * tree-ssa-sink.c (execute_sink_code): Ditto.
5714 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5715 * tree-ssa-pre.c (init_pre): Ditto.
5716 * cfgloop.h (LOOPS_NORMAL): New.
5717 (loop_optimizer_init): Declaration changed.
5719 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5721 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5722 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5724 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5726 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5728 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5729 * pa/t-pa64: Delete quadlib.c rule.
5730 * pa/x-ada: Revert last change.
5731 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5733 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5735 PR rtl-optimization/26087
5736 * rtlanal.c (canonicalize_condition): Do not cross basic block
5739 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5742 * config/ia64/ia64.c: Include debug.h.
5743 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5744 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5745 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5746 (process_epilogue, process_set, process_for_unwind_directive):
5747 Output unwind info only if requested. Add CFA info if requested.
5748 Add new arguments as needed. Adjust callers.
5749 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5751 (DWARF2_FRAME_INFO): Define to zero.
5752 * config/ia64/unwind-ia64.c: Remove code that compensated for
5753 the CFA offset error fixed above.
5754 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5755 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5756 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5757 -funwind-tables and -fexceptions to enable frame info.
5758 (dwarf2out_frame_init): Define initial CFA even if
5759 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5760 DWARF2_UNWIND_INFO is nonzero, not just defined.
5761 (dwarf2out_frame_finish): Output non-EH call frame info only
5762 if DWARF2_FRAME_INFO is nonzero.
5763 (convert_cfa_to_loc_list,
5764 compute_frame_pointer_to_cfa_displacement): Define even if
5765 unwind info is not supported.
5766 (gen_subprogram_die): Use the above unconditionally. Remove
5767 legacy alternate code.
5768 * toplev.c (compile_file): Compile in call to
5769 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5770 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5772 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5773 Jakub Jelinek <jakub@redhat.com>
5775 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5776 IBM extended float format long double as "g" on powerpc*-linux.
5778 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5781 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5782 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5784 2006-02-03 Jason Merrill <jason@redhat.com>
5787 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5790 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5791 on the return slot if it's an NRV.
5793 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5795 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5796 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5797 rewrite_use): Do not handle USE_OUTER.
5798 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5799 add_iv_outer_candidates, may_replace_final_value,
5800 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5801 (find_interesting_uses_op): Functionality of
5802 find_interesting_uses_outer_or_nonlin moved here.
5803 (find_interesting_uses_outside): Use find_interesting_uses_op.
5805 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5808 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5810 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5811 Ulrich Weigand <uweigand@de.ibm.com>
5814 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5815 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5816 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5817 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5819 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5820 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5821 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5822 Define secondary reloads for TFmode moves.
5823 (constant_modes): Add TFmode.
5824 (NR_C_MODES): Set to 8.
5825 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5827 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5828 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5829 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5830 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5831 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5832 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5833 (FPR mode macro): Add TFmode.
5834 (DSF mode macro): New.
5835 (<de>, <dee> mode attributes): Removed.
5836 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5837 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5838 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5839 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5840 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5841 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5842 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5843 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5844 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5845 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5846 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5847 "*negabs<mode>2", "sqrt<mode>2"):
5848 Changed <de> to <xde>. R constraint replaced by <Rf>.
5849 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5851 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5852 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5853 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5855 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5856 "extenddftf2", "extendsftf2"): New expanders.
5857 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5858 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5859 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5860 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5862 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5863 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5864 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5865 __floatditf): Add a GCC_4.1.0 symbol version tag.
5866 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5869 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5872 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5873 Use targetm.binds_local_p instead of TREE_PUBLIC.
5875 2006-02-02 Roger Sayle <roger@eyesopen.com>
5877 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5878 on INTEGER_TYPEs to indicate that it denotes a character type.
5879 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5880 signed_char_type_node, unsigned_char_type_node and char_type_node.
5881 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5882 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5883 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5885 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5886 Daniel Berlin <dberlin@dberlin.org>
5888 * tree-tailcall.c (arg_needs_copy_p): New function.
5889 (eliminate_tail_call): Use arg_needs_copy_p.
5890 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5891 (add_virtual_phis): New function.
5893 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5895 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5896 #ignore instead of #scratch for %g7 .register directive.
5898 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5900 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5903 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5905 * flow.c (calculate_global_regs_live): Assert that there aren't any
5908 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5910 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5912 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5913 bsi_after_labels iterator.
5914 * tree-if-conv.c (find_phi_replacement_condition,
5915 replace_phi_with_cond_modify_expr): Likewise.
5916 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5917 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5919 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5921 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5923 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5926 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5927 array after growing it.
5929 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5932 * fold-const.c (fold_checksum_tree): Change type of buf.
5934 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5936 * reload.c (push_secondary_reload): Initialize t_icode.
5938 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5940 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5941 -msoft-float -mlong-double-128 only issue a warning, but don't
5942 swich to DFmode long double.
5944 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5946 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5947 has a constant equivalent, iterate over equivalents for arg0,
5948 calling simplify_relational_operation and if there's a result
5949 cheaper than X, apply fold_rtx and return the result.
5951 2006-02-01 Jan Hubicka <jh@suse.cz>
5953 * opts.c (no_unit_at_a_time_default): New global variable.
5954 (decode_options): Use it.
5955 * opts.h (no_unit_at_a_time_default): Declare.
5957 2006-02-01 Paul Brook <paul@codesourcery.com>
5959 * function.c (assign_parm_setup_reg): Use function argument promotion
5961 * expr.c (expand_expr_real_1): Use function argument promotion rules
5964 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5966 * gcc.c (process_command): Change j to 'unsigned int'.
5968 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5971 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5972 Use the corrected index for the character
5973 out of the string constant.
5975 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5977 * mode-switching.c (optimize_mode_switching): Fix size
5978 allocated for bb_info[n_entities].
5980 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5982 * gcc.c (main): Correct type that is allocated for
5983 explicit_link_files.
5985 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5987 * config/s390/s390.c (init_alignment_context): Set
5988 ALIAS_SET_MEMORY_BARRIER on the MEM.
5989 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5991 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5994 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5996 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5999 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6001 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6002 * regrename.c: Ditto.
6003 * tree-ssa-loop-im.c: Ditto.
6004 * tree-dump.c: Ditto.
6005 * tree-complex.c: Ditto.
6006 * genrecog.c: Ditto.
6007 * tree-ssa-threadupdate.c: Ditto.
6009 * java/class.c: Ditto.
6010 * java/jcf-parse.c: Ditto.
6011 * java/resource.c: Ditto.
6012 * java/except.c: Ditto.
6013 * java/jvspec.c: Ditto.
6014 * java/jcf-write.c: Ditto.
6015 * java/jcf-path.c: Ditto.
6016 * java/gjavah.c: Ditto.
6017 * java/zextract.c: Ditto.
6018 * java/jcf-io.c: Ditto.
6019 * java/jcf.h: Ditto.
6020 * java/buffer.c: Ditto.
6021 * java/lang.c: Ditto.
6022 * java/parse-scan.y: Ditto.
6023 * java/lex.c: Ditto.
6024 * java/lex.h: Ditto.
6025 * cfgloopmanip.c: Ditto.
6026 * postreload-gcse.c: Ditto.
6027 * tree-ssa-loop-manip.c: Ditto.
6028 * postreload.c: Ditto.
6029 * tree-ssa-loop-ch.c: Ditto.
6033 * diagnostic.c: Ditto.
6035 * genoutput.c: Ditto.
6037 * cfghooks.c: Ditto.
6038 * cfgloopanal.c: Ditto.
6039 * objc/objc-act.c: Ditto.
6041 * genextract.c: Ditto.
6042 * genautomata.c: Ditto.
6043 * pretty-print.c: Ditto.
6045 * cgraphunit.c: Ditto.
6048 * haifa-sched.c: Ditto.
6049 * dominance.c: Ditto.
6051 * tree-ssa-loop-ivopts.c: Ditto.
6053 * mode-switching.c: Ditto.
6054 * modulo-sched.c: Ditto.
6056 * ipa-pure-const.c: Ditto.
6058 * fix-header.c: Ditto.
6060 * tree-stdarg.c: Ditto.
6061 * ipa-utils.c: Ditto.
6062 * loop-init.c: Ditto.
6063 * ipa-inline.c: Ditto.
6066 * alloc-pool.c: Ditto.
6067 * dwarf2out.c: Ditto.
6069 * genattrtab.c: Ditto.
6070 * tree-ssa-loop-ivcanon.c: Ditto.
6074 * fortran/gfortranspec.c: Ditto.
6076 * local-alloc.c: Ditto.
6077 * langhooks.c: Ditto.
6078 * function.c: Ditto.
6079 * tree-vectorizer.c: Ditto.
6081 * ipa-type-escape.c: Ditto.
6083 * tree-if-conv.c: Ditto.
6086 * tree-data-ref.c: Ditto.
6087 * loop-unroll.c: Ditto.
6088 * treelang/treetree.c: Ditto.
6091 * ggc-common.c: Ditto.
6093 * coverage.c: Ditto.
6095 * tree-cfgcleanup.c: Ditto.
6096 * tree-ssa-pre.c: Ditto.
6097 * cfgcleanup.c: Ditto.
6098 * loop-invariant.c: Ditto.
6100 * ipa-prop.c: Ditto.
6101 * print-tree.c: Ditto.
6102 * conflict.c: Ditto.
6103 * ggc-page.c: Ditto.
6104 * sched-deps.c: Ditto.
6105 * regclass.c: Ditto.
6106 * tree-object-size.c: Ditto.
6108 * bb-reorder.c: Ditto.
6109 * resource.c: Ditto.
6110 * var-tracking.c: Ditto.
6112 * df-problems.c: Ditto.
6113 * reg-stack.c: Ditto.
6116 * sched-rgn.c: Ditto.
6117 * tree-ssa-structalias.c: Ditto.
6118 * tree-ssa-reassoc.c: Ditto.
6119 * config/darwin-c.c: Ditto.
6120 * config/darwin.c: Ditto.
6121 * config/arm/arm.c: Ditto.
6123 * collect2.c: Ditto.
6126 2006-01-31 Nicolas Pitre <nico@cam.org>
6128 * arm.md (smaxsi3): Make aware of smax_m1.
6131 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6133 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6135 2006-01-31 Richard Guenther <rguenther@suse.de>
6137 * doc/invoke.texi (-msselibm): Document.
6138 * target.h (expand_library_builtin): New target hook.
6139 * builtins.c (expand_builtin): Use expand_library_builtin.
6140 (default_expand_library_builtin): New function.
6141 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6142 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6143 (link_gcc_math_spec): Declare.
6144 (static_specs): Add link_gcc_math_spec.
6145 * expr.h (default_expand_library_builtin): Declare.
6146 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6147 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6148 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6149 * config/i386/i386.opt (msselibm): New target option.
6150 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6151 (ix86_init_sse_abi_builtins): New function.
6152 (ix86_expand_library_builtin): Likewise.
6153 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6154 (override_options): Handle error conditions wrt -msselibm.
6155 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6156 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6157 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6160 2006-01-31 Richard Guenther <rguenther@suse.de>
6161 Paolo Bonzini <bonzini@gnu.org>
6163 * doc/install.texi (--disable-libgcc-math): Document.
6165 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6167 * expr.h (expand_normal): new inline function.
6168 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6170 * dwarf2out.c: use it.
6175 * config/sparc/sparc.c: use it.
6176 * config/i386/i386.c: use it.
6177 * config/rs6000/rs6000.c: use it.
6178 * config/arm/arm.c: use it.
6179 * config/mips/mips.c: use it.
6180 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6182 2006-01-30 Roger Sayle <roger@eyesopen.com>
6184 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6185 argv to the appropriate type.
6187 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6189 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6192 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6195 * config/s390/s390.c (struct machine_function): New flag
6196 decomposed_literal_pool_addresses_ok_p.
6197 (s390_reorg): Set it before final stage of literal pool transforms.
6198 (s390_decompose_address): Only accept displacements of the form
6199 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6201 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6203 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6204 the comparison routine return.
6206 2006-01-30 Michael Matz <matz@suse.de>
6208 * global.c (find_reg): Only evict for global regs.
6209 Take n_refs into account and dump more info.
6211 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6214 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6215 (pragma_trap, pragma_nosave_low_regs): Likewise.
6216 (current_function_anonymous_args): Likewise.
6217 (sh_deferred_function_attributes): New variable.
6218 (sh_deferred_function_attributes_tail): Likewise.
6219 (print_operand): For '@', look up trap_exit attribute.
6220 (calc_live_regs): Look up trapa_handler attribute. For trapa
6221 handlers, save/restore fpscr, but don't do any other
6222 interrupt-specific saves.
6223 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6224 Fix check for partially saved registers to check for SHmedia.
6225 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6226 (sh_output_function_epilogue): Don't clear any of the removed
6228 (sh_insert_attributes): Don't check pragma_interrupt.
6229 Insert deferred attributes. Check that interrupt attribute is
6230 present for other attributes that require its presence.
6231 (sh_attribute_table): Add new attributes trapa_handler and
6233 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6234 Don't check for pragma_interrupt. Don't store argument.
6235 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6236 (sh_deferred_function_attributes): Declare.
6237 (sh_deferred_function_attributes_tail): Likewise.
6238 * sh.md (sp_switch_1): Add operand. Change generator caller.
6239 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6240 (*return_i): Don't use when trap_exit attribute is in effect.
6241 (*return_trapa): New insn pattern.
6243 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6244 setting c_target_objs and cxx_target_objs.
6245 * t-sh: Add rule for sh-c.o.
6247 2006-01-30 Richard Guenther <rguenther@suse.de>
6250 * gimplify.c (gimplify_target_expr): Handle easy cases
6251 without creating a temporary.
6253 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6255 * vec.h (safe_grow): Remove duplicated line.
6257 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6260 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6261 (expand_omp): ... here.
6262 (expand_omp_parallel): Only remove barriers for combined
6263 parallel+workshare constructs.
6265 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6269 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6270 * tree.c (build_qualified_type): Chain the new type to the original
6271 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6272 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6273 (build_pointer_type_for_mode): Only return unqualified types.
6274 (build_reference_type_for_mode): Likewise.
6276 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6278 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6279 * Makefile.in (CXX_COMPAT_WARN): Define.
6280 * configure: Regenerate.
6282 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6285 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6288 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6290 * toplev.c: Fix thinko.
6292 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6293 Marcin Dalecki <martin@dalecki.de>
6295 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6296 (push_srcloc): Use XNEW.
6297 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6299 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6301 * df-core.c (df_set_blocks): Deleted all variable.
6303 2006-01-28 Ian Lance Taylor <ian@airs.com>
6305 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6306 cgraph_output_pending_asms.
6308 2006-01-28 Zack Weinberg <zackw@panix.com>
6310 * c.opt: Add -W(no-)overlength-strings.
6311 * doc/invoke.texi: Document it.
6312 * c-opts.c (c_common_handle_option): -pedantic implies
6313 -Woverlength-strings, if not explicitly disabled already.
6314 (c_common_post_options): -Woverlength-strings defaults to off, and
6315 is always off for C++.
6316 * c-common.c (fix_string_type): Issue warning about strings longer
6317 than is portable only if warn_overlength_strings. Rearrange code
6318 a little for clarity.
6319 * configure.in: Check for -Wno-overlength-strings as well before
6320 enabling -pedantic in stage 1.
6321 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6322 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6324 * genconditions.c (write_header, write_one_condition)
6325 (write_conditions, write_writer): Consolidate very long strings
6326 that were broken up to fit in C89 portable limit. Don't use
6327 printf when fputs will do.
6329 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6331 * combine.c (simplify_comparison <AND>): Check
6332 TRULY_NOOP_TRUNCATION before start using a subreg.
6334 * config/mips/mips.md (*branch_zero<mode>,
6335 *branch_zero<mode>_inverted, *branch_equality<mode>,
6336 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6337 Remove mode check from comparisons.
6339 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6341 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6343 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6345 * expmed.c (const_mult_add_overflow_p): Remove.
6346 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6348 * recog.c (validate_replace_rtx_subexp): Remove.
6349 * recog.h: Remove the prototype for
6350 validate_replace_rtx_subexp.
6352 * integrate.h: Remove the prototype for
6353 copy_decl_for_inlining.
6354 * rtl.h: Remove the prototype for mark_constant_function.
6355 * tree-vectorizer.h: Remove the prototype for
6356 vect_strip_conversion.
6358 * modulo-sched.c (create_partial_schedule,
6359 free_partial_schedule, reset_partial_schedule): Make them
6362 * hooks.c (hook_bool_rtx_int_false): Remove.
6363 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6365 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6367 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6368 and -mlong-double-128 are incompatible.
6369 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6370 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6371 (TARGET_LIBGCC2_CFLAGS): Define.
6372 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6373 (TARGET_LIBGCC2_CFLAGS): Same.
6374 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6376 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6379 * c-typeck.c (build_binary_op): Perform implicit casts of
6380 operands before shortening them.
6382 * cfgloopmanip.c (split_loop_bb): Remove.
6383 * cfgloop.h: Remove the prototype for split_loop_bb.
6385 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6386 * cfgloop.h: Remove the prototype for
6387 flow_loop_outside_edge_p.
6389 * emit-rtl.c (init_virtual_regs): Make it static.
6390 * function.h: Remove the prototype for init_virtual_regs.
6392 * recog.c (peephole2_optimize): Make it static.
6393 * recog.h: Remove the prototype for peephole2_optimize.
6395 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6397 * df-scan.c (df_record_entry_block_defs): Check if
6398 INCOMING_RETURN_ADDR_RTX is defined.
6400 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6401 Kenneth Zadeck <zadeck@naturalbridge.com>
6403 PR rtl-optimization/24762
6404 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6405 * targhooks.c (hook_void_bitmap): New hook prototype.
6406 * targhoohs.h (hook_void_bitmap): Ditto.
6407 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6408 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6409 * target.h (live_on_entry): New function pointer.
6410 * df-scan.c (df_all_hard_regs): Removed.
6411 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6412 (df_scan_free_internal): Added df->entry_block_defs.
6413 (df_scan_alloc): Ditto.
6414 (df_scan_dump): Ditto.
6415 (df_uses_record): Plumbed flag field properly thru calls.
6416 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6417 This part fixes PR24762.
6418 (df_bb_refs_record): Added code to make the frame and arg
6419 pointers live in EH blocks.
6420 (df_refs_record): Added call to df_record_entry_block_defs.
6421 (df_record_entry_block_defs): New function.
6422 * df-core.c: Added comments to describe new artifical defs.
6423 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6424 (entry_block_defs): New field in struct df.
6425 (df_all_hard_regs): Deleted.
6426 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6427 * df-problems.c (df_ru_bb_local_compute_process_def):
6428 Added code to handle artifical defs in the entry to a function.
6429 (df_ru_bb_local_compute): Ditto.
6430 (df_rd_bb_local_compute_process_def): Ditto.
6431 (df_rd_bb_local_compute): Ditto.
6432 (df_lr_bb_local_compute): Ditto.
6433 (df_ur_bb_local_compute): Ditto.
6434 (df_urec_bb_local_compute): Ditto.
6435 (df_chain_create_bb): Ditto.
6436 (df_ur_local_finalize): Removed entry.
6437 (df_urec_init): Ditto.
6438 (df_urec_local_finalize): Ditto.
6439 (df_ri_bb_compute): Added detection of last use of pseudos.
6440 * Makefile.in (df-scan.o): Updated dependencies.
6441 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6442 * config/mips/mips.c (mips_set_live_on_entry): Added.
6443 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6445 * dce.c (marked_insn_p): Added code to handle artifical defs.
6447 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6449 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6451 (_mm_cvtsi128_si64): Likewise.
6452 (_mm_cvtsd_si64): Likewise.
6453 (_mm_cvttsd_si64): Likewise.
6454 (_mm_cvtsi64_sd): Likewise.
6455 (_mm_cvtsi64_si128): Likewise.
6456 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6457 (_mm_cvtsi64_m64): Likewise.
6458 (_m_to_int64): Likewise.
6459 (_mm_cvtm64_si64): Likewise.
6460 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6461 (_mm_cvttss_si64): Likewise.
6462 (_mm_cvtsi64_ss): Likewise.
6463 (_mm_cvtss_f32): Likewise.
6465 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6467 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6468 for pragma redefine_extname.
6470 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6473 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6474 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6475 -mno-minimal-toc to previous content.
6476 (bispecs): Remove goal.
6477 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6478 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6479 compatibility aliases on powerpc-*-*gnu*.
6480 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6481 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6482 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6483 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6484 (ldblspecs): New goal.
6485 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6486 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6488 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6489 L_sf_to_tf or L_df_to_tf is defined.
6491 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6492 Alan Modra <amodra@bigpond.net.au>
6495 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6496 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6497 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6498 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6499 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6500 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6501 (rs6000_override_options): Initialize rs6000_ieeequad.
6502 Initialize TFmode format to ibm_extended_format if not
6504 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6506 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6507 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6508 (function_arg_advance): IBM long double passed in two FPRs, not
6510 (function_arg): IBM long double passed in FPRs.
6511 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6512 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6513 Only multireg GPR aligned.
6514 (rs6000_init_libfuncs): Enable IBM long double functions if not
6516 (rs6000_generate_compare): Use IBM long double compare if not
6518 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6519 (TARGET_IEEEQUAD): Define.
6520 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6521 not TARGET_IEEEQUAD.
6522 * config/rs6000/rs6000.md: Enable TFmode patterns if
6524 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6525 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6526 and -mlong-double-128 are incompatible.
6527 * doc/invoke.texi (-mabi): Collect options together. Add
6528 ibmlongdouble and ieeelongdouble.
6530 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6532 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6534 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6535 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6536 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6537 * rtl.h (rtunion_def): Remove rt_ptr.
6539 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6540 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6541 * config/i386/winnt.c (i386_pe_mark_dllexport)
6542 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6544 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6546 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6548 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6552 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6553 pthread_key_delete. From John David Anglin. gthrw-ify
6554 pthread_getunique_np only if it it's not a macro. Delete
6556 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6557 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6558 __gthread_objc_condition_signal, __gthread_key_delete): Add
6559 "__attribute__ ((__unused__))" to unused arguments.
6560 (__gthread_recursive_mutex_init_function): Add missing return.
6561 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6562 gthr-posix95.h: Use macro-based approach for name redirection
6563 on targets missing weakref.
6565 2006-01-26 Zack Weinberg <zackw@panix.com>
6567 * genconditions.c (write_header): In generated code, #ifdef out
6568 all includes and fake declarations, except includes of bconfig.h
6569 and system.h, unless GCC_VERSION >= 3001. Do not include
6570 gensupport.h in any case.
6571 (write_conditions): Generate a definition of struct c_test. Add
6572 a comment to the generated #endif.
6573 (write_one_condition): Escape backslashes in string too.
6574 (write_writer): Generated code must escape backslashes and quote
6575 marks (but not newlines) in the strings it writes.
6576 * Makefile.in (build/gencondmd.o): Update dependencies.
6578 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6581 * Makefile.in (insn-automata.o): Add header file dependencies.
6582 * genautomata.c: Add includes.
6584 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6587 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6589 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6591 * configure.ac: Expect target tools paths to be passed from the toplevel
6592 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6594 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6596 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6599 * c.opt (Wpointer-sign): Init to -1.
6600 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6601 OPT_pedantic, to 0 otherwise.
6602 * doc/invoke.texi: Update.
6604 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6606 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6607 constants provided by 80387 instructions in the destination mode.
6609 2006-01-26 Richard Guenther <rguenther@suse.de>
6610 Andrew Pinski <pinskia@physics.uc.edu>
6613 partial PR tree-opt/17064
6614 * tree-ssa-structalias.c (intra_create_variable_infos):
6615 Create heap variables for incoming parameters if
6616 flag_argument_noalias > 1.
6617 (find_what_p_points_to): Look through default defs of
6620 2006-01-26 Jeff Law <law@redhat.com>
6623 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6624 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6625 within the VR_RANGE, use the VR_RANGE as the result, not the
6627 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6628 bounds for the type.
6630 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6632 * tree-ssa-alias.c (maybe_create_global_var): Change
6633 subvar walking to an assertion that we don't have subvar'd variables.
6635 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6638 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6639 Use a new variable, inner. PARM_DECLs are always non-weak.
6641 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6643 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6646 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6648 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6650 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6652 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6653 (smax_insn, smin_insn, smax_0, smin_0): New.
6655 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6658 * config/cris/cris.c (cris_order_for_addsi3): New function.
6659 * config/cris/cris-protos.h: Prototype it.
6660 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6661 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6662 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6663 (split for "op.S1 [rx=rx+i],ry (swapped)")
6664 (split for "op(s|u).S1 [rx=rx+i],ry")
6665 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6666 Apply cris_order_for_addsi3 when generating addsi3 insns.
6668 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6670 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6671 (TREE_BLOCK): Add call to EXPR_CHECK.
6673 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6676 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6677 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6678 (dump_omp_clauses): ... here.
6679 (dump_generic_node): Handle OMP_CLAUSE.
6680 * tree.c (omp_clause_num_ops): New.
6681 (omp_clause_code_name): New.
6682 (tree_code_size): Handle OMP_CLAUSE.
6683 (tree_size): Likewise.
6684 (make_node): Document handling of OMP_CLAUSE.
6685 (tree_node_structure): Handle OMP_CLAUSE.
6686 (omp_clause_check_failed): New.
6687 (omp_clause_range_check_failed): New.
6688 (omp_clause_operand_check_failed): New.
6689 (build_omp_clause): New.
6690 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6691 * tree.h (enum omp_clause_code): Declare.
6692 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6693 (OMP_CLAUSE_RANGE_CHECK): Define.
6694 (OMP_CLAUSE_ELT_CHECK): Define.
6695 (omp_clause_check_failed): Declare.
6696 (omp_clause_operand_check_failed): Declare.
6697 (omp_clause_range_check_failed): Declare.
6698 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6699 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6700 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6701 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6702 (OMP_CLAUSE_IF_EXPR): Likewise.
6703 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6704 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6705 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6706 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6707 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6708 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6709 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6710 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6711 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6712 (OMP_CLAUSE_CODE): Define.
6713 (OMP_CLAUSE_SET_CODE): Define.
6714 (OMP_CLAUSE_CODE): Define.
6715 (OMP_CLAUSE_OPERAND): Define.
6716 (struct tree_omp_clause): Declare.
6717 (union tree_node): Add field 'omp_clause'.
6718 * treestruct.def (TS_OMP_CLAUSE): Define.
6719 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6720 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6721 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6722 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6723 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6724 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6725 (OMP_CLAUSE): Define.
6726 * print-tree.c (print_node): Handle OMP_CLAUSE.
6727 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6728 * c-typeck.c: Likewise.
6729 * gimplify.c: Likewise.
6730 * c-omp.c: Likewise.
6731 * tree-nested.c: Likewise.
6732 * tree-inline.c: Likewise.
6733 * c-parser.c: Likewise.
6734 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6737 2006-01-25 Roger Sayle <roger@eyesopen.com>
6739 PR rtl-optimization/25703
6740 * combine.c (try_combine): Handle zero_extract and strict_low_part
6741 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6743 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6745 * global.c: Fix comment typos.
6747 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6750 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6751 Use output_addr_const instead of assemble_name.
6753 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6755 * Makefile.in (sched-vis.o): Update dependencies.
6756 * haifa-sched.c (sched_finish): Clear current_sched_info.
6757 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6758 (dump_flow_info): Call it.
6759 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6761 * basic-block.h (dump_bb_info): Declare.
6762 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6763 option, and apply options only for dump files whose TDF_RTL,
6764 TDF_TREE, or TDF_IPA bits match.
6765 * rtl.h: Declare new functions exported from sched-vis.c.
6766 * sched-vis.c: Enable also if scheduling is not used.
6767 (print_value): Print the mode of registers if not inside scheduling.
6768 (print_insn): Make it work outside the scheduler. Beautify the output
6770 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6772 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6774 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6775 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6776 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6777 depending on the value of CONSTANT_POOL_ADDRESS_P.
6778 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6780 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6781 rather than SYMBOL_REF_DECL.
6782 (rtx_constant_pool): Remove const_rtx_sym_htab.
6783 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6784 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6785 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6786 Remove handling of const_rtx_sym_htab.
6787 (find_pool_constant): Delete.
6788 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6789 rather than find_pool_constant.
6790 (get_pool_constant_for_function): Delete.
6791 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6793 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6794 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6795 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6796 (SYMBOL_REF_CONSTANT): New macro.
6797 (get_pool_constant_for_function): Delete.
6798 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6799 rather than SYMBOL_REF_DECL.
6800 (i386_pe_mark_dllimport): Likewise.
6801 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6802 rather than SYMBOL_REF_DECL.
6803 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6804 (machopic_indirect_call_target): Likewise.
6806 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6808 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6810 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6812 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6814 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6816 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6818 2006-01-24 David Daney <ddaney@avtrex.com>
6821 * configure.ac (enable_tls): New enable option.
6822 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6823 * configure: Regenerate.
6824 * doc/install.texi (--enable-tls): Document new option.
6825 (--disable-tls): Ditto.
6827 2006-01-24 Richard Henderson <rth@redehat.com>
6829 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6830 * alias.c (true_dependence): Respect it.
6831 (canon_true_dependence, write_dependence_p): Likewise.
6832 * builtins.c (get_builtin_sync_mem): Set it.
6834 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6836 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6839 2006-01-24 DJ Delorie <dj@redhat.com>
6841 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6842 for storing constants in single-bit bitfields.
6844 2006-01-25 Ben Elliston <bje@au.ibm.com>
6846 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6848 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6851 * tree-ssa-pre.c (phi_translate): Return NULL
6852 for AGGREGATE_TYPE's.
6854 2006-01-24 Zack Weinberg <zackw@panix.com>
6856 * genautomata.c (process_state_for_insn_equiv_partition):
6857 Use xcalloc for insn_arcs_array.
6858 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6859 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6861 2006-01-24 Richard Henderson <rth@redhat.com>
6863 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6866 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6868 PR rtl-optimization/25890
6869 PR rtl-optimization/25905
6870 * combine.c (expand_compound_operation, expand_field_assignment):
6871 Fail if the bitfield's final position is out of bounds.
6873 2006-01-24 Ian Lance Taylor <ian@airs.com>
6876 * cgraphunit.c (cgraph_output_in_order): Don't clear
6877 cgraph_asm_nodes until after asm strings have been output.
6879 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6881 * fix-header.c (read_scan_file): Add new parameter imultilib when
6882 calling register_include_chains.
6884 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6886 * omp-low.c: Update documentation.
6888 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6889 Daniel Berlin <dberlin@dberlin.org>
6893 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6894 return from the function.
6896 2006-01-22 Zack Weinberg <zackw@panix.com>
6898 * rtl.def (match_code): Add second argument.
6899 * genpreds.c (write_extract_subexp): New function.
6900 (write_match_code): Add path argument. Use write_extract_subexp.
6901 (write_predicate_expr): Pass path to write_match_code.
6902 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6903 not perform a mode test.
6904 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6905 a subexpression does not constrain the top-level code set.
6906 * read-rtl.c (read_rtx_variadic): New function.
6907 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6908 * doc/md.texi: Document new notation.
6909 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6910 (cmpsi_operand): ... here, using new notation.
6912 2006-01-22 Zack Weinberg <zackw@panix.com>
6914 * varray.c: Remove GENERATOR_FILE #ifdefs.
6916 2006-01-22 Zack Weinberg <zackw@panix.com>
6918 * genautomata.c (output_reserved_units_table): Emit nothing if
6919 description->query_units_num is zero. Remove extra blank line.
6920 (output_cpu_unit_reservation_p): Short circuit
6921 if description->query_units_num is zero.
6923 2006-01-22 Zack Weinberg <zackw@panix.com>
6925 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6926 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6927 nor any of the random handful of variables that used to be necessary
6928 when this program was linked with rtlanal.o. Prune set of forward
6929 function declarations.
6930 (struct attr_desc): Remove static_p field.
6931 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6932 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6933 (attr_string): Do not read the character one past the length of
6935 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6936 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6937 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6938 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6939 (make_automaton_attrs): New.
6940 (main): Do not call into genautomata. Call local gen_bypass
6941 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6942 Remove special case for insn_alts.
6943 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6944 varray.h (leftover from previous change). Prune set of forward
6945 function declarations. Remove state_alts fields from all
6946 structures. Remove state_alts_table from struct automaton.
6947 Make everything except main static. Do not maintain num_dfa_decls.
6948 Do not maintain state_alts fields of various structures.
6949 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6950 (add_arc): Remove state_alts argument. All callers updated.
6951 (output_reserved_units_table): Emit #ifdef here...
6952 (output_tables): ...not here. Don't generate state_alts tables.
6953 (expand_automata): Don't generate attributes.
6954 (write_automata): Don't generate state_alts functions.
6955 (main): New function.
6956 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6957 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6958 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6959 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6960 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6961 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6962 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6963 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6965 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6966 * genattrtab.h: Delete file.
6967 * Makefile.in (OBJS-common): Add insn-automata.o.
6968 (insn-automata.o): New rule.
6969 (simple_generated_c): Add insn-automata.c.
6970 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6971 (genprogmd): Add automata.
6972 (build/genattrtab): Needs no extra objects nor libraries.
6973 (build/genautomata): Needs build/vec.o and -lm.
6975 2006-01-22 Zack Weinberg <zackw@panix.com>
6977 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6978 (output_dfa_max_issue_rate, locked_states_num): Delete.
6979 (struct automaton): Add locked_states field.
6980 (output_dead_lock_vect): Save number of locked states in
6981 automaton->locked_states. If it is zero, don't print anything.
6982 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6983 (output_internal_dead_lock_func): Only test the dead_lock_vect
6984 for automata that have locked states.
6985 (output_statistics): Always print the number of locked states for
6986 each automaton. Calculate total number of locked states here.
6987 (write_automata): Don't call output_dfa_max_issue_rate.
6988 * genattrtab.c: Define length_unit_log as a const variable.
6989 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6990 max_insn_queue_index const.
6991 * final.c (length_unit_log): Declare const.
6992 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6994 2006-01-22 Zack Weinberg <zackw@panix.com>
6996 * genautomata.c: Include vec.h, not varray.h.
6997 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6998 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6999 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7000 VEC_* macros operating on appropriately typed vectors, or to
7001 malloced arrays when the size is known in advance. Const-ify
7002 many char* variables and function arguments. No functional changes.
7003 * Makefile.in (build/varray.o): Delete rule.
7004 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7005 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7007 2006-01-22 Zack Weinberg <zackw@panix.com>
7009 * gensupport.c: Define get_insn_name and record_insn_name here.
7010 (read_md_rtx): Call record_insn_name as appropriate.
7011 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7012 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7013 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7015 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7016 (BUILD_VARRAY): Delete.
7017 (genprognormal): Rename genprogmd. Fold in all programs from
7018 genprognoprint; also attrtab.
7019 (build/genattrtab): Just mention genautomata.o and varray.o.
7020 Reorganize a bit, add comments to make the categories clearer.
7022 2006-01-22 Zack Weinberg <zackw@panix.com>
7024 * genconditions.c (condition_table, add_condition): Delete.
7025 (write_conditions): Don't emit n_insn_conditions nor
7026 insn_elision_unavailable. Issue the gcc version #ifdef here,
7027 inside the table, with no #else clause ...
7028 (write_header): ...not here.
7029 (write_writer): New function.
7030 (main): Don't initialize condition_table. Use add_c_test.
7032 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7033 files on the command line.
7034 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7035 Return -1 if there is no entry in the table, don't abort.
7036 (add_c_test, traverse_c_tests): New functions.
7037 * gensupport.h (insn_elision_unavailable, insn_conditions)
7038 (n_insn_conditions): Delete declarations.
7039 (add_c_test, traverse_c_tests): Declare.
7040 * read-rtl.c: Include gensupport.h.
7041 (read_conditions): New function.
7042 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7043 (read_rtx_1): If we get EOF when we were looking for an initial
7044 open paren, return 0. Call read_conditions when appropriate.
7045 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7046 dummy-conditions.o. Eliminate references to insn-conditions.o,
7047 or change them to build/gencondmd.o, as appropriate. Remove
7048 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7049 from $(simple_generated_c). For all files remaining in those
7050 two lists, add insn-conditions.md to the generator command line.
7051 Give insn-constants.h/s-constants their own rules. Add rules
7052 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7053 (build/read-rtl.o): Depend on gensupport.h.
7054 (genprognormal): Include preds.
7055 (genprogearly): Rename genprognoprint; only difference is now that
7056 they don't link with $(BUILD_PRINT).
7057 * dummy-conditions.c: Delete.
7059 2006-01-22 Zack Weinberg <zackw@panix.com>
7061 * genextract.c: Don't include insn-config.h. Do include vec.h.
7062 Declare vectors of int, char, and locstr.
7063 (locstr): New typedef.
7064 (struct extraction): Make all array fields into bare pointers.
7065 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7066 (insn_code_number): Delete.
7067 (accum_extract): New struct.
7068 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7069 (gen_insn): Take insn_code_number as an argument. Use an
7070 accum_extract structure instead of loading data directly into
7071 a struct extraction, and having to know how big it might get.
7072 (walk_rtx): Operate entirely on an accum_extract structure.
7073 (print_path): Avoid unnecessary use of printf.
7074 (print_header): New function, split out of main. Distinguish
7075 more carefully between an unrecognizable insn and an insn that
7076 has the code number of a define_expand.
7077 (main): Pass insn_code_number to gen_insn. Call print_header
7078 only after parsing. Avoid unnecessary use of printf.
7079 * Makefile.in (build/vec.o): New rule.
7080 (build/genextract): Depend on build/vec.o.
7081 (build/genextract.o): Don't depend on insn-config.h.
7083 2006-01-22 Zack Weinberg <zackw@panix.com>
7085 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7086 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7087 practical. Eliminate per-generator-program link rules.
7089 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7092 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7093 with a call expr to ...
7094 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7096 2006-01-23 Richard Guenther <rguenther@suse.de>
7098 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7099 before make_edge with conditional EDGE_TRUE_VALUE.
7101 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7102 Jan Hubicka <jh@suse.cz>
7103 Richard Guenther <rguenther@suse.de>
7105 PR rtl-optimization/25654
7106 * cfgexpand.c (aggregate_contains_union_type): New function.
7107 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7108 for structure variables that contain a union type.
7110 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7112 * gengtype.c (new_structure): Return the structure.
7113 (create_option): Add an extra "next" argument.
7114 (create_field): New function.
7115 (adjust_field_rtx_def): Use create_option and create_field.
7116 Remove a now-unnecessary call to find_structure.
7117 (adjust_field_tree_def): Likewise.
7118 (note_yacc_type): Remove an unnecessary call to find_structure.
7119 * gengtype.h (new_structure): Return the structure.
7120 (create_option): Add an extra argument.
7121 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7122 (option): Adjust calls to create_option.
7124 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7126 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7128 2006-01-22 Paul Brook <paul@codesourcery.com>
7129 Peter Barada <peter@the-baradas.com>
7131 * config/m68k/m68k.md: Add Coldfire FPU support.
7132 Define FP mode macro and associated attributes.
7133 Use it for float mode patterns.
7134 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7135 (LIBCALL_VALUE): Use m68k_libcall_value.
7136 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7137 (m68k_function_value): Ditto.
7138 (emit_move_sequence): Ditto.
7139 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7140 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7141 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7142 (MULTILIB_EXCEPTIONS): Ditto.
7143 * config/m68k/m68k.opt: Add mcfv4e.
7144 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7145 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7146 (m68k_output_function_prologue): Save ColdFire FPU registers.
7147 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7148 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7149 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7150 ColdFire FPU registers.
7151 (m68k_libcall_value, m68k_function_value): New functions.
7152 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7153 (LIBCALL_VALUE): Use m68k_libcall_value.
7154 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7155 (MASK_COLDFIRE): Add MASK_CFV4E.
7156 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7157 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7158 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7159 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7160 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7161 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7162 * doc/invoke.tex: Document -mcfv4e on m68k.
7164 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7166 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7169 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7172 * c-opts.c (c_common_handle_option): Don't include
7173 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7174 * doc/invoke.texi (C++ Dialect Options): Document that
7175 -Wnon-virtual-dtor is no longer included in -Wall.
7177 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7179 * gcov.c (print_version), gcov-dump.c (print_version),
7180 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7183 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7185 * df-scan.c (problem_SCAN): Added NULL reset function.
7186 (df_scan_reset_blocks): Added code to call reset block function
7187 (df_bb_refs_delete) Fixed comment.
7188 (df_insn_refs_delete): Made tolerant of deleting non existent info
7189 for dataflow problems that need to be reset.
7190 * df-core.c (df_set_blocks): Ditto.
7191 * df.h (struct df_problem): Added reset_fun.
7192 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7193 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7194 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7195 functions to clear out all references to def-use or use-def chains.
7197 2006-01-21 Ben Elliston <bje@au.ibm.com>
7199 * varasm.c (assemble_real): Initialise data array.
7201 2006-01-20 Paul Brook <paul@codesourcery.com>
7203 Merge from csl-arm-branch.
7204 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7205 * config/arm/arm.md (movdi): Force operands[1] to a register
7206 if we have a non-register source.
7207 (*arm_movdi, *movdf_soft_insn): Require that one of the
7208 operands be a register.
7209 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7210 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7212 2006-01-20 DJ Delorie <dj@redhat.com>
7214 * varasm.c (initialize_constant_valid_p): Allow pointers
7215 initialized from integer constants of lesser precision.
7216 (output_constant): Allow non-int-sized pointer modes to be
7217 initialized from integer constants.
7219 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7222 * cppdefault.h (struct default_include): Add multilib flag.
7223 * cppdefault.c (cpp_include_defaults): Set it.
7224 * c.opt (-imultilib): New option.
7225 * c-opts.c (imultilib): New.
7226 (c_common_handle_option): Handle -imultilib.
7227 (c_common_post_options): Likewise.
7228 * c-incpath.c (add_standard_paths, register_include_chains):
7230 * c-incpath.h (register_include_chains): Add extra parameter.
7231 * gcc.c (do_spec_1): Generate -imultilib option.
7232 (The Specs Language): Update %I description.
7233 (process_command): Update copyright notice.
7234 * doc/cppopts.texi (-imultilib): Document.
7235 * doc/invoke.texi (-imultilib): Include in option summary.
7236 (%I): Update specs documentation.
7238 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7240 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7242 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7244 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7247 2006-01-20 Richard Guenther <rguenther@suse.de>
7248 Steven Bosscher <stevenb.gcc@gmail.com>
7250 PR rtl-optimization/24626
7251 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7252 EDGE_TRUE_VALUE if in RTL mode.
7255 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7256 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7258 2006-01-20 Dirk Mueller <dmueller@suse.com>
7261 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7262 instead of a special NOP marker.
7263 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7264 NOP marker handling.
7265 * c-common.h (empty_body_warning): Add forward declaration.
7266 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7267 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7269 2006-01-20 Paul Brook <paul@codesourcery.com>
7271 * Makefile.in (lang_checks): Keep going if mkdir fails.
7273 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7275 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7276 be able to clean out basic block when not necessary.
7277 (df_scan_free): Fixed to properly delete information if df is
7278 unused before calling df_finish.
7279 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7280 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7282 (df_bb_refs_delete): New function.
7283 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7284 * df-core.c (df_set_blocks): Added code to properly clean out
7285 unused blocks if they are not part of the blocks to consider.
7286 Added additional null check.
7287 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7288 be able to clean out basic block when not necessary
7289 * df.h (df_free_bb_function): Ditto.
7290 (df_bb_refs_delete): New function.
7291 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7292 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7293 basic block parameter to be able to clean out basic block when not
7295 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7296 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7297 Fixed to properly delete information if df is unused before
7300 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7302 PR rtl-optimization/25799
7303 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7304 Corrected confluence operator to remove bits from op2 before oring
7305 with op1 rather than removing bits from op1.
7306 (df_ru_transfer_function): Corrected test on wrong bitmap which
7307 caused infinite loop. Both of these problems were introduced in
7308 the dataflow rewrite.
7310 2006-01-19 DJ Delorie <dj@redhat.com>
7312 * reload1.c (find_reload_regs): Note the details of reload
7313 failures in the dump file.
7314 (spill_failure): Likewise.
7316 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7318 * loop-iv.c: Include df.h and hashtab.h.
7319 (enum iv_grd_result): New enum.
7320 (DF_REF_IV, DF_REF_IV_SET): New macros.
7321 (struct biv_entry): New.
7322 (df, bivs): New global variables.
7323 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7324 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7326 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7327 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7328 analyzed_for_bivness_p, record_biv): New functions.
7329 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7330 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7331 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7333 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7335 (iv_number_of_iterations): Use new interface to iv analysis.
7336 * loop-unroll.c: Do not include varray.h.
7337 (analyze_iv_to_split_insn): Use new interface to iv
7339 * loop-unswitch.c (may_unswitch_on): Ditto.
7340 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7342 (df_bb_modify): Realloc tables to the new index.
7343 (df_find_use): New function.
7344 * df.h (df_find_use): Declare.
7345 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7347 * cfgloop.h (struct rtx_iv): Remove analysed field.
7348 (iv_get_reaching_def): Removed.
7349 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7350 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7351 (loop-iv.o): Add df.h and hashtab.h dependency.
7352 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7354 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7357 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7359 (__floatundisf, __floatundidf): Likewise.
7360 * libgcc2.h (IS_IBM_EXTENDED): Define.
7362 2006-01-19 DJ Delorie <dj@redhat.com>
7364 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7366 2006-01-19 Paul Brook <paul@codesourcery.com>
7368 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7369 as nothrow when unwinding tables are disabled.
7371 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7374 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7375 of bit-field" when in system header.
7377 2006-01-19 DJ Delorie <dj@redhat.com>
7379 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7380 the 16 bit shift limit of the m16c.
7382 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7385 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7386 * config/i386/i386.c (output_set_got): Output the label if we have one
7387 for the TARGET_DEEP_BRANCH_PREDICTION case.
7389 2006-01-19 Jan Hubicka <jh@suse.cz>
7390 H.J. Lu <hongjiu.lu@intel.com>
7391 Evandro Menezes <evandro.menezes@amd.com>
7393 * invoke.texi (generic): Document
7395 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7396 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7397 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7398 (x86_use_incdec, x86_pad_returns): New variables
7399 (TARGET_CPU_DEFAULT_generic): New constant
7400 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7401 (enum processor_type): Add generic32 and generic64.
7402 * i386.md (cpu attribute): Add generic32/generic64
7403 (movhi splitter): Behave sanely when both partial_reg_dependency and
7404 partial_reg_stall are set.
7405 (K8 splitters): Enable for generic as well.
7406 * predicates.md (incdec_operand): Use TARGET_INCDEC
7407 (aligned_operand): Avoid memory mismatch stalls.
7408 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7409 * ppro.md: Enable for generic32
7410 * i386.c (generic64_cost, generic32_cost): New.
7411 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7412 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7413 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7414 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7415 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7416 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7417 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7418 x86_accumulate_outgoing_args, x86_prologue_using_move,
7419 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7420 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7422 (x86_use_incdec, x86_pad_returns): New.
7423 (override_options): Add generic32 and generic64, translate "generic"
7424 to generic32/generic64 and "i686" to "generic32", refuse
7425 "generic32"/"generic64" as arch target.
7426 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7427 (ix86_reorg): Honor PAD_RETURNS.
7429 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7431 * tree-pretty-print.c (dump_generic_node): Handle
7432 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7433 * cgraph.c (cgraph_expand_queue): Rename from
7434 cgraph_analyze_queue. Update all users.
7435 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7436 cgraph_expand_queue.
7437 (cgraph_expand_all_functions): Likewise.
7438 (cgraph_finalize_pending_functions): Remove. Update callers.
7440 * tree.h (OMP_DIRECTIVE_P): Define.
7441 (OMP_PARALLEL_FN): Define.
7442 (OMP_PARALLEL_DATA_ARG): Define.
7443 (OMP_SECTIONS_SECTIONS): Define.
7444 * tree-pass.h (pass_expand_omp): Declare.
7445 * omp-low.c (struct omp_region): Declare.
7446 (struct omp_context): Remove fields 'parallel_type',
7447 'parallel_start_ix' and 'parallel_start_additional_args'.
7449 (struct omp_for_data): Rename from struct expand_omp_for_data.
7450 (omp_regions): New static variable.
7451 (root_omp_region): New static variable.
7452 (find_omp_clause): Make static.
7453 (is_in_combined_parallel_ctx): Remove.
7454 (is_combined_parallel): New.
7455 (extract_omp_for_data): Move earlier in the file.
7456 (workshare_safe_to_combine_p): New.
7457 (get_ws_args_for): New.
7458 (determine_parallel_type): Move earlier in the file.
7459 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7461 (omp_copy_decl): Likewise.
7462 (create_omp_child_function): Likewise.
7463 (lookup_omp_region): New.
7464 (dump_omp_region): New.
7465 (debug_omp_region): New.
7466 (debug_all_omp_regions): New.
7467 (new_omp_region): New.
7468 (scan_omp_parallel): If parallel_nesting_level > 1, the
7469 directive is nested within another parallel directive.
7470 Set OMP_PARALLEL_FN.
7471 (scan_omp_for): Do not try to handle combined parallel+for
7473 Remove FIXME comment.
7474 (scan_omp_nested): Remove.
7475 (scan_omp_1): Do not call scan_omp_nested when
7476 parallel_nesting_level is > 1.
7477 Do not change the DECL_CONTEXT of local variables found.
7478 (lookup_decl_in_outer_ctx): New.
7479 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7480 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7481 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7482 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7483 If CTX is nested, lookup VAR in the outer context when
7484 building copy assignment.
7485 (lower_send_clauses): Rename from expand_send_clauses.
7486 If CTX is nested, lookup VAR in the outer context when
7487 building copy assignments.
7488 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7489 If CTX is nested, lookup VAR in the outer context when
7490 building copy assignments.
7491 (expand_parallel_call): Rename from build_parallel_call.
7492 Handle combined parallel+workshare cases.
7493 Re-implement to emit code into the CFG.
7495 (expand_omp_parallel): Re-implement to emit code into the CFG.
7496 Call move_sese_region_to_fn to outline the sub-graph
7497 containing the parallel region.
7498 (expand_omp_for_1): Remove.
7499 (expand_omp_for_generic): Re-implement to emit code into the
7501 (expand_omp_for_static_nochunk): Likewise.
7502 (expand_omp_for_static_chunk): Likewise.
7503 (expand_omp_for): Likewise.
7504 (expand_omp_sections): Likewise.
7505 (remove_exit_barriers): New.
7506 (expand_omp_synch): New.
7508 (build_omp_regions_1): New.
7509 (build_omp_regions): New.
7510 (execute_expand_omp): New.
7511 (gate_expand_omp): New.
7512 (pass_expand_omp): Define.
7513 (lower_omp_sections): Rename from expand_omp_sections.
7514 Set OMP_SECTIONS_SECTIONS.
7515 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7516 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7517 (lower_omp_single): Rename from expand_omp_simple.
7518 (lower_omp_master): Rename from expand_omp_master.
7519 (lower_omp_ordered): Rename from expand_omp_ordered.
7520 (lower_omp_critical): Rename from expand_omp_critical.
7521 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7522 (lower_omp_for): Re-implement.
7523 (lower_omp_parallel): Re-implement.
7524 (lower_regimplify): Rename from expand_regimplify.
7525 (lower_omp_1): Rename from expand_omp_1.
7526 If there are syntax errors in the program, replace every
7527 OpenMP directive with NOP.
7528 Call lower_omp_* instead of expand_omp_*.
7529 (lower_omp): Rename from expand_omp.
7531 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7532 * tree-gimple.h (enum omp_parallel_type): Remove.
7533 (gimple_boolify): Declare extern.
7534 (find_omp_clause, determine_parallel_type): Remove.
7536 * gimple-low.c (lower_omp_directive): New.
7537 (lower_stmt): Call it.
7538 (record_vars_into): Move from ...
7539 (record_vars): ... here.
7540 Call record_vars_into with current_function_decl.
7542 * gimplify.c (struct gimplify_ctx): Remove fields
7543 combined_pre_p and combined_ctxp. Update users.
7544 (get_formal_tmp_var): Add documentation.
7545 (gimple_boolify): Make extern.
7546 (gimplify_expr_in_ctx): Remove. Update callers.
7547 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7548 will always be a BIND_EXPR.
7549 (gimplify_expr): Handle OMP_RETURN_EXPR.
7550 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7551 (OMP_PARALLEL): Add 3 operands.
7552 (OMP_SECTIONS): Add 1 operand.
7553 (OMP_RETURN_EXPR): Define.
7555 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7556 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7557 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7558 creating a circular free list.
7559 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7561 * tree-flow.h (move_sese_region_to_fn): Declare.
7562 (record_vars_into): Declare.
7563 * tree-cfg.c (make_omp_sections_edges): New.
7564 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7565 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7566 OMP_SECTIONS and OMP_SECTION.
7567 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7568 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7569 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7570 (gather_blocks_in_sese_region): New.
7571 (struct move_stmt_d): Declare.
7573 (move_block_to_fn): New.
7574 (move_sese_region_to_fn): New.
7576 * passes.c (init_optimization_passes): Schedule
7577 pass_expand_omp after pass_init_datastructures.
7579 * tree-ssa-operands.c (get_expr_operands): Handle
7580 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7581 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7583 2006-01-19 Jeff Law <law@redhat.com>
7585 * tree-vrp.c (extract_range_from_assert): Refine the result range
7586 if the variable referenced by the ASSERT_EXPR has a range and
7587 either the tentative result range or the previous range is a
7590 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7592 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7594 2006-01-19 Jan Hubicka <jh@suse.cz>
7596 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7598 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7600 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7601 (expand_compound_operation, expand_field_assignment): Fail if the
7602 bit lengths of an extract operation are out of range.
7603 (make_extraction): Compute wanted_inner_mode based on the position
7604 and length of the extraction. Make it extraction_mode for non-constant
7605 positions, and do not modify offset in that case. When generating a
7606 new MEM, use a mode that can hold the extraction while keeping correct
7607 alignment. Remove code that supported MEMs wrapped by USEs.
7608 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7610 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7612 * config/s390/s390.md ("Y", "y"): New mode attribute.
7613 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7614 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7615 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7616 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7617 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7618 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7619 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7620 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7621 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7622 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7623 "addsi3", "subsi3"): Insn patterns removed.
7624 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7625 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7626 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7627 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7628 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7629 "*sub<mode>3_cconly2"): New insn patterns.
7630 ("addsi3", "subsi3"): New expanders.
7632 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7634 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7635 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7636 existing STMT_VINFO_VECTYPE if available.
7637 (vect_mark_relevant): Add special handling for stmts that are
7638 marked as STMT_VINFO_IN_PATTERN_P.
7639 (vect_analyze_loop): Call vect_pattern_recog.
7640 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7641 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7643 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7644 (vect_recog_func_ptr): New function-pointer type.
7645 * tree-vect-patterns.c: New file.
7646 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7647 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7648 (vect_pattern_recog_1): New functions.
7649 (vect_pattern_recog_funcs): New array of function pointers.
7651 * tree-vectorizer.h (ternary_op): New enum value.
7652 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7653 declaration. Revised documentation. Removed redundant dump prints.
7654 Removed redundant argument. Added support for reduction patterns.
7655 (vectorizable_reduction): Added support for reduction patterns.
7656 (vect_transform_stmt): Added support for patterns.
7658 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7659 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7660 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7661 (expand_widen_pattern_expr): New function.
7662 (init_optabs): Initialize new optabs udot_prod_optab,
7664 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7665 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7666 (expand_widen_pattern_expr): New function declaration.
7667 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7669 * tree-inline.c (estimate_num_insns_1): Added cases for new
7670 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7671 * tree-pretty-print.c (dump_generic_node): Likewise.
7672 (op_prio): Likewise.
7673 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7674 * tree-ssa-operands.c (get_expr_operands): Added case for
7676 * tree-vect-patterns.c (widened_name_p): New function.
7677 (vect_recog_dot_prod_pattern): Added function implementation.
7678 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7679 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7680 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7681 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7683 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7684 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7685 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7686 (init_optabs): Initialize new optabs widen_ssum_optab,
7688 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7689 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7690 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7691 use instead of type of def.
7692 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7693 function implementation.
7694 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7695 widen_ssumv8hi): New.
7697 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7700 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7703 * c-decl.c (add_flexible_array_elts_to_size): New function.
7704 (finish_decl): Use it.
7706 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7708 * diagnostic.h: Include options.h.
7709 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7710 dependancies for diagnostic.h.
7711 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7713 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7715 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7716 (ssa_ro_call_cache_valid): Ditto.
7717 * tree-ssa-alias.c (sort_tags_by_id): New function.
7718 (init_transitive_clobber_worklist): Ditto.
7719 (add_to_worklist): Ditto.
7720 (mark_aliases_call_clobbered): Ditto.
7721 (compute_tag_properties): Ditto.
7722 (set_initial_properties): Ditto.
7723 (compute_call_clobbered): Ditto.
7724 (compute_may_aliases): Call compute_call_clobbered and grouping.
7725 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7726 (compute_flow_insensitive_aliasing): Grouping now happens in our
7728 (setup_pointers_and_addressables): Remove clobbering related code.
7729 (add_may_alias): Ditto.
7730 (replace_may_alias): Ditto.
7731 (get_nmt_for): Ditto.
7732 (create_global_var):
7733 (is_escape_site): Return an escape_type enumeration.
7734 * tree-flow-inline.h (is_call_clobbered): Global var does not
7735 imply call clobbered.
7736 (mark_call_clobbered): Take a reason for marking this. Remove
7737 marking of globalness, and cache invalidation.
7738 (clear_call_clobbered): Remove cache invalidation code.
7739 * tree-dfa.c (dump_variable): If details is on, dump the reason
7741 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7743 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7744 (struct var_ann_d): Ditto.
7745 (enum escape_type): New.
7746 (mark_call_clobbered): Adjust prototype.
7747 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7748 are never call clobbered.
7749 Record reasons for escaping.
7750 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7751 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7752 (ssa_ro_call_cache_valid): Ditto.
7753 (clobbered_v_may_defs): Ditto.
7754 (clobbered_vuses): Ditto.
7755 (ro_call_vuses): Ditto.
7756 (clobber_stats): New.
7757 (init_ssa_operands): Zero out clobber stats.
7758 (fini_ssa_operands): Print out clobber stats.
7759 (get_call_expr_operands): Pass callee fndecl to
7761 (add_call_clobber_ops): Remove use of cache.
7762 Add use of PURE_CONST information.
7763 (add_call_read_ops): Remove use of cache.
7764 Add use of static not_read information.
7766 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7768 Introduce TLS descriptors for i386 and x86_64.
7769 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7770 (TARGET_ANY_GNU_TLS): New macro.
7771 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7772 (struct machine_function): Add tls_descriptor_call_expanded_p.
7773 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7774 (ix86_current_function_calls_tls_descriptor): Likewise.
7775 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7776 (override_options): Introduce gnu2 tls dialect.
7777 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7779 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7781 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7782 (ix86_init_machine_status): Initialize new field.
7783 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7784 (ix86_tls_module_base): New.
7785 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7786 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7787 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7788 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7789 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7790 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7791 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7792 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7793 * config/i386/predicates.md (tls_modbase_operand): New.
7794 (tp_or_register_operand): New.
7796 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7798 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7799 (look_for_address_of): Ditto.
7800 (ipa_init): Walk the function decls.
7801 (static_execute): Don't set readonly on FUNCTION_DECL's.
7803 2006-01-18 Roger Sayle <roger@eyesopen.com>
7805 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7806 for shifts where the source and destination registers are different.
7808 2006-01-18 Paul Brook <paul@codesourcery.com>
7810 Merge from csl-arm-branch.
7811 2005-03-14 Julian Brown <julian@codesourcery.com>
7812 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7813 (aeabi_llsl): Likewise.
7814 (ashrdi3): Likewise.
7815 (aeabi_lasr): Likewise.
7816 (lshrdi3): Likewise.
7817 (aeabi_llsr): Likewise.
7818 2005-03-10 Julian Brown <julian@codesourcery.com>
7819 * config.gcc: Disable shared libgcc for SymbianOS.
7820 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7822 2006-01-18 DJ Delorie <dj@redhat.com>
7824 * c-pragma.c (handle_pragma_diagnostic): New.
7825 (init_pragma): Register it.
7826 * doc/extend.texi: Document it.
7828 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7829 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7830 (diagnostic_context): Add classify_diagnostic[].
7831 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7832 as errors if they're overridden to DK_WARNING.
7833 (diagnostic_initialize): Initialize classify_diagnostic[].
7834 (diagnostic_set_kind_override): New.
7835 (diagnostic_report_diagnostic): Check for kind changes.
7836 * opts.c (common_handle_option): Take lang_mask. Update callers.
7838 * common.opt (Werror=): New.
7839 * doc/invoke.texi: Document -Werror=*
7841 2006-01-18 Jeff Law <law@redhat.com>
7843 * tree-vrp.c (test_for_singularity): Correct test for new
7844 min limit. Use operand_equal_p rather than pointer equality
7845 for testing if new min/max values are equal.
7847 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7848 using range information until after propagation and folding.
7850 2006-01-18 Richard Henderson <rth@redhat.com>
7851 Aldy Hernandez <aldyh@redhat.com>
7852 Jakub Jelinek <jakub@redhat.com>
7853 Diego Novillo <dnovillo@redhat.com>
7855 * omp-low.c: New file.
7856 * c-omp.c: New file.
7858 2006-01-18 Richard Henderson <rth@redhat.com>
7859 Jakub Jelinek <jakub@redhat.com>
7860 Diego Novillo <dnovillo@redhat.com>
7862 * doc/invoke.texi: Document -fopenmp.
7863 * tree-dump.h (debug_function): Declare.
7864 * hooks.c (hook_bool_tree_bool_false): New function.
7865 (hook_tree_tree_null): Remove.
7866 (hook_tree_tree_tree_null): New.
7867 * hooks.h: Update to match.
7868 * tree-pretty-print.c (debug_tree_chain): New.
7869 (print_generic_expr): Handle TDF_CHAIN.
7870 (dump_generic_node): Handle BLOCK.
7871 Do not abort with incomplete SWITCH_EXPRs.
7872 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7873 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7874 print space after directive name.
7875 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7876 Handle OMP_MASTER and OMP_ORDERED.
7877 Handle printing of OMP_BODY just in one place, goto
7878 dump_omp_body in the rest of OMP_* nodes that have
7880 Don't handle clause nodes here. Update omp statements to
7881 use dump_omp_clauses.
7882 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7883 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7884 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7885 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7886 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7887 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7888 Adjust output for GOMP_PARALLEL.
7889 (dump_omp_clauses): New.
7890 (print_declaration): Dump DECL_VALUE_EXPR.
7891 (op_symbol_1): Split out of op_symbol.
7892 (dumping_stmts): Remove. Update all users.
7893 * cgraph.c (cgraph_analyze_queue): New.
7894 (cgraph_add_new_function): New.
7895 * cgraph.h (cgraph_analyze_queue): Declare.
7896 (cgraph_add_new_function): Declare.
7897 (cgraph_lower_function): Remove.
7898 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7899 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7900 and TYPE_P nodes in its default clause.
7901 (empty_body_p): New.
7902 (tree_range_check_failed): New.
7904 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7905 OMP_CLAUSE_REDUCTION_MERGE,
7906 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7907 OMP_CLAUSE_PRIVATE_DEBUG,
7908 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7909 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7910 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7911 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7912 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7913 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7914 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7915 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7916 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7917 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7918 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7919 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7920 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7921 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7922 (TREE_RANGE_CHECK): New.
7923 (empty_body_p): Declare.
7924 (enum omp_clause_default_kind): New.
7925 (build_string_literal): Declare.
7926 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7927 (build5_stat, build5): Declare.
7928 * tree-pass.h (TDF_CHAIN): Define.
7929 * tree-pass.h (PROP_gimple_lomp): Define.
7930 (pass_lower_omp): Declare.
7931 * diagnostic.h (debug_tree_chain): Declare.
7932 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7934 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7935 * builtins.c (build_string_literal): Make extern.
7936 * gcc.c (include_spec_function): New.
7937 (static_spec_functions): Add it.
7938 (main): Move load of libgomp.spec ...
7939 (LINK_COMMAND_SPEC): ... here.
7940 (link_gomp_spec): New.
7941 (static_specs): Include it.
7942 (LINK_COMMAND_SPEC): Add link_gomp.
7943 (GOMP_SELF_SPECS): New.
7944 (driver_self_specs): Include it.
7945 (switch_matches): Don't mark inline.
7946 (main): Load libgomp.spec.
7947 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7948 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7949 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7950 * tree-gimple.h (enum omp_parallel): Declare.
7951 (determine_parallel_type): Declare.
7952 (omp_firstprivatize_variable): Declare.
7953 (omp_reduction_init): Declare.
7954 (diagnose_omp_structured_block_errors): Declare.
7955 (struct walk_stmt_info): Add want_return_expr.
7956 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7957 (find_omp_clause): Declare.
7958 (insert_field_into_struct): Declare.
7959 (struct walk_stmt_info): Move from tree-nested.c
7960 (walk_stmts): Declare.
7961 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7963 * cgraphunit.c (cgraph_lower_function): Make static.
7964 (cgraph_finalize_pending_functions): New.
7965 (cgraph_finalize_function): Call it.
7966 (cgraph_finalize_compilation_unit): Likewise.
7967 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7968 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7969 (BT_FN_UINT_UINT): New.
7970 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7971 DEF_FUNCTION_TYPE_VAR_4): Document.
7972 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7973 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7974 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7975 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7976 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7977 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7978 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7979 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7980 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7981 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7982 into separate files.
7983 (DEF_GOMP_BUILTIN): New.
7984 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7985 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7986 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7987 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7988 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7989 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7990 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7991 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7992 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7993 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7994 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7995 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7996 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7997 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7998 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7999 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8000 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8001 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8002 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8003 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8004 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8005 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8006 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8007 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8008 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8009 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8010 * sync-builtins.def: New file, moved from builtins.def.
8011 * omp-builtins.def: New file, moved from builtins.def.
8012 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8013 * gimple-low.c (lower_function_body): Clear data.
8014 (lower_stmt): Do not handle COMPOUND_EXPR.
8015 Remove call to print_node_brief.
8016 * c-tree.h (c_finish_omp_clauses): New prototype.
8017 (C_DECL_THREADPRIVATE_P): Define.
8018 (lookup_name_no_remap, c_omp_remap_private): Remove
8019 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8020 (check_for_loop_decls): Update decl.
8021 (lookup_name_no_remap, c_omp_remap_private): Declare.
8022 (build_indirect_ref, build_modify_expr, pushdecl,
8023 pushdecl_top_level): Move to c-common.h.
8024 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8025 before the switch, but just in the 2 places that need it.
8026 * c-decl.c (diagnose_mismatched_decls): Do not check for
8027 mismatched thread-local attributes when OLDDECL is marked
8028 threadprivate and NEWDECL has no thread-local attributes.
8029 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8030 (c_gimple_diagnostics_recursively): Rename from
8031 c_warn_unused_result_recursively. Invoke
8032 diagnose_omp_structured_block_errors.
8033 (check_for_loop_decls): Return a singular decl found.
8034 * langhooks.c (lhd_omp_predetermined_sharing): Return
8035 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8036 (lhd_omp_firstprivatize_type_sizes): New.
8037 (lhd_omp_assignment): New.
8038 (lhd_omp_predetermined_sharing): New.
8039 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8040 (struct lang_hooks_for_types): Add
8041 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8042 omp_predetermined_sharing, omp_disregard_value_expr,
8043 omp_private_debug_clause, omp_clause_default_ctor,
8044 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8045 (c_finish_omp_clauses): New.
8046 (c_finish_bc_stmt): Diagnose break within omp for.
8047 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8048 (build_unary_op): Return error_mark after reporting
8050 (build_modify_expr): Likewise.
8051 * gimplify.c: Include optabs.h and pointer-set.h.
8052 (enum gimplify_omp_var_data): Declare.
8053 (struct gimplify_omp_ctx): Declare.
8054 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8056 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8057 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8058 (splay_tree_compare_decl_uid): New.
8059 (new_omp_context): New.
8060 (delete_omp_context): New.
8061 (gimple_add_tmp_var): Call omp_add_variable.
8062 (gimplify_bind_expr): Likewise.
8063 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8064 true, disregard DECL_VALUE_EXPR on the decl if any.
8065 (gimplify_expr_in_ctx): New.
8066 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8067 omp_add_variable, omp_notice_variable, omp_is_private
8068 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8069 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8070 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8071 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8072 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8073 gimplify_omp_atomic): New.
8074 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8075 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8076 OMP_CRITICAL and OMP_ATOMIC.
8077 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8078 * c-pragma.h (enum pragma_kind): Add
8079 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8080 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8081 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8082 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8083 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8084 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8085 PRAGMA_OMP_THREADPRIVATE.
8086 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8087 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8088 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8089 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8090 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8091 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8092 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8093 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8094 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8095 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8096 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8097 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8098 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8100 (struct nesting_info): Add field_map,
8101 suppress_expansion, debug_var_chain.
8102 (create_nesting_tree): Initialize them.
8103 (lookup_field_for_decl): Use field_map.
8104 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8105 (convert_local_omp_clauses): New.
8106 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8107 (walk_body): Split out of walk_function.
8108 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8109 (convert_nonlocal_reference): Handle omp statements.
8110 (convert_local_reference): Likewise.
8111 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8112 (unnest_nesting_tree): New.
8113 (lower_nested_functions): Call it.
8114 (insert_field_into_struct): Make extern.
8115 (struct walk_stmt_info): Move to tree-gimple.h.
8116 (walk_stmts): Make extern.
8117 * omp-builtins.def: New file.
8118 * tree-iterator.c (expr_only): Clarify comment.
8119 * c-common.h (pushdecl_top_level, pushdecl,
8120 build_modify_expr, build_indirect_ref,
8121 c_finish_omp_master, c_finish_omp_critical,
8122 c_finish_omp_ordered, c_finish_omp_barrier,
8123 c_finish_omp_atomic, c_finish_omp_flush,
8124 c_finish_omp_for, c_split_parallel_clauses,
8125 omp_clause_default_kind, c_omp_sharing_predetermined,
8126 c_omp_remap_decl): Declare.
8127 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8128 (OBJS-common): Add omp-low.o.
8129 (c-omp.o, omp-low.o): Add.
8130 (gimplify.o): Add dependency on $(OPTABS_H).
8131 (GTFILES): Add omp-low.c.
8132 (gt-stringpool.h): Add.
8133 * tree-cfg.c (set_bb_for_stmt): Do not update the
8134 block-to-labels map if we are currently expanding to RTL.
8135 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8137 Handle IDENTIFIER_NODE.
8138 (tree_verify_flow_info): Do not ICE when emitting error
8139 messages about invalid labels.
8140 (dump_function_to_file): Reset CFUN before emitting the body
8142 (debug_function): New.
8143 * passes.c (init_optimization_passes): Schedule
8145 * langhooks-def.h (lhd_omp_predetermined_sharing,
8146 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8148 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8149 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8150 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8151 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8152 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8153 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8154 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8155 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8156 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8157 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8158 (LANG_HOOK_DECLS): Use them.
8160 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8161 Richard Henderson <rth@redhat.com>
8162 Jakub Jelinek <jakub@redhat.com>
8163 Diego Novillo <dnovillo@redhat.com>
8165 * c-parser.c (pragma_omp_clause): Define.
8166 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8167 (c_parser_compound_statement): Likewise.
8168 (c_parser_statement): Likewise.
8169 (c_parser_pragma): Handle omp pragmas.
8170 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8171 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8172 (c_parser_omp_clause_name, check_no_duplicate_clause,
8173 c_parser_omp_variable_list,
8174 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8175 c_parser_omp_clause_copyprivate,
8176 c_parser_omp_clause_default,
8177 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8178 c_parser_omp_clause_lastprivate,
8179 c_parser_omp_clause_nowait,
8180 c_parser_omp_clause_num_threads,
8181 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8182 c_parser_omp_clause_reduction,
8183 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8184 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8185 c_parser_omp_atomic, c_parser_omp_barrier,
8186 c_parser_omp_critical, c_parser_omp_flush,
8187 c_parser_omp_for_loop, c_parser_omp_for,
8188 c_parser_omp_master, c_parser_omp_ordered,
8189 c_parser_omp_sections_scope, c_parser_omp_sections,
8190 c_parser_omp_parallel, c_parser_omp_single,
8191 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8192 * c-pragma.c (init_pragma): Do omp pragma registration here.
8193 * c.opt (fopenmp): New flag.
8195 2006-01-18 Eric Christopher <echristo@apple.com>
8197 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8198 * config/darwin.h (GOMP_SELF_SPECS): Define.
8200 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8202 * rtl.h: Remove the prototype for reg_alloc.
8204 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8207 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8208 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8209 sjlj and dwarf2 exception handling.
8210 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8211 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8212 * pa/pa.c (function_value): Treat complex and vector types as
8214 (function_arg): Likewise. Only pass scalar floats in the floating
8215 point argument registers.
8216 * pa/t-slibgcc-dwarf-ver: New file.
8217 * pa/t-slibgcc-sjlj-ver: New file.
8218 * pa/t-slibgcc-elf-ver: Delete file.
8220 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8222 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8223 unlikely_test_section_p test.
8225 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8227 * mode-switching.c (optimize_mode_switching): Make it static.
8228 * basic-block.h: Remove the prototype for
8229 optimize_mode_switching.
8231 * modulo-sched.c (sms_schedule): Make it static.
8232 * rtl.h: Remove the prototype for sms_schedule.
8234 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8235 * rtl.h: Remove the prototype for gcse_after_reload_main.
8237 * reg-stack.c (reg_to_stack): Make it static.
8238 * rtl.h: Remove the prototype for reg_to_stack.
8240 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8242 * rtl.h: Remove the prototypes for regrename_optimize and
8243 copyprop_hardreg_forward.
8245 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8247 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8248 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8249 Test against the appropriate null constant for the mode.
8250 If 'fixup_overlap' is true, swap the operands if they overlap.
8251 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8252 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8253 alpha_split_tmode_pair and adjust for above change.
8254 * config/alpha/alpha.md (movtf_internal): Adjust call to
8255 alpha_split_tfmode_pair and rely on it to swap the operands.
8256 (movti_internal): New insn and post-reload splitter.
8257 (movti): New expander.
8259 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8261 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8264 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8266 * rtlanal.c (global_reg_mentioned_p_1,
8267 global_reg_mentioned_p): Remove.
8268 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8270 * flow.c (initialize_uninitialized_subregs): Make it static.
8271 * rtl.h: Remove the prototype for
8272 initialize_uninitialized_subregs.
8274 * function.c (instantiate_virtual_regs): Make it static.
8275 * function.h: Remove the prototype for
8276 instantiate_virtual_regs.
8278 * regmove.c (regmove_optimize, combine_stack_adjustments):
8280 * rtl.h: Remove the prototypes for regmove_optimize and
8281 combine_stack_adjustments.
8283 2006-01-17 Roger Sayle <roger@eyesopen.com>
8285 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8286 (size_cost): Encode costs in bytes so that a reg-reg addition is
8287 equivalent to COSTS_N_INSNS(1).
8288 (override_options): Use the size_cost.branch_cost as the default
8289 ix86_branch_cost when optimizing for size.
8291 2006-01-18 Ben Elliston <bje@au.ibm.com>
8293 * Makefile.in (D32PBIT_FUNCS): New.
8294 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8295 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8296 D64PBIT_FUNCS and D128PBIT_FUNCS.
8297 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8298 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8300 (decnumber_dep): Define.
8301 * doc/libgcc.texi (Decimal float library routines): New node.
8302 * config/dfp-bit.h, config/dfp-bit.c: New files.
8304 2006-01-18 Ben Elliston <bje@au.ibm.com>
8306 * expr.c (emit_move_change_mode): Always adjust addresses, not
8307 just during reload. Copy replacements only during reload.
8308 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8309 emit_move_via_integer.
8311 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8313 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8314 instead of $(srcdir) and ${srcdir}.
8316 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8320 * arm.h (struct machine_function): Add pic_reg.
8321 * arm.c (arm_pic_register): Make unsigned.
8322 (arm_override_options): Only set arm_pic_register if
8323 TARGET_SINGLE_PIC_BASE.
8324 (use_return_insn): Only test for a pic register if it is fixed.
8325 (arm_compute_save_reg0_reg12_mask): Likewise.
8326 (thumb_compute_save_reg_mask): Likewise.
8327 (legitimate_pic_operand): Factor out some known invariants.
8328 (legitimize_pic_address): If we don't have a fixed pic register,
8329 then set up a pseudo in the function entry sequence. Handle the
8330 pic base being in a pseudo.
8331 (arm_load_pic_register): Handle the pic register being in a pseudo.
8332 (arm_expand_prologue): Only set up the pic register if it is fixed.
8333 (thumb_expand_prologue): Likewise.
8334 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8335 (pic_load_addr_based_insn): Likewise.
8336 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8339 2006-01-18 Ben Elliston <bje@au.ibm.com>
8341 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8342 decimal float modes for all floating point registers.
8344 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8345 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8347 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8350 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8351 even when the pointer is not NULL.
8353 2006-01-16 Ian Lance Taylor <ian@airs.com>
8355 * common.opt (ftoplevel-reorder): New option.
8356 * cgraph.c (cgraph_asm_nodes): New global variable.
8357 (cgraph_asm_last_node): New static variable.
8358 (cgraph_order): New global variable.
8359 (cgraph_create_node): Set new order field.
8360 (cgraph_varpool_node): Likewise.
8361 (decide_is_variable_needed): Return true if not
8362 flag_toplevel_reorder.
8363 (cgraph_add_asm_node): New function.
8364 * cgraph.h (struct cgraph_node): Add order field.
8365 (struct cgraph_varpool_node): Add order field.
8366 (struct cgraph_asm_node): Define.
8367 (cgraph_asm_nodes, cgraph_order): Declare.
8368 (cgraph_add_asm_node): Declare.
8369 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8371 (cgraph_varpool_assemble_pending_decls): Call it.
8372 (cgraph_output_pending_asms): New static function.
8373 (cgraph_finalize_compilation_unit): Call it.
8374 (struct cgraph_order_sort): Define.
8375 (cgraph_output_in_order): New static function.
8376 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8377 !flag_toplevel_reorder case.
8378 * c-parser.c: Include "cgraph.h".
8379 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8381 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8382 than -fno-unit-at-a-time.
8383 * doc/invoke.texi (Option Summary): Mention
8384 -fno-toplevel-reorder.
8385 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8386 -funit-at-a-time documentation.
8388 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8389 Kazu Hirata <kazu@codesourcery.com>
8391 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8393 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8395 * Makefile.in (FUNCTION_H): New. Use it instead of
8396 function.h throughout the file.
8397 * function.h: Include tree.h.
8399 2006-01-17 Ben Elliston <bje@au.ibm.com>
8401 * recog.c: Separate some functions with whitespace.
8403 2006-01-16 Richard Henderson <rth@redhat.com>
8405 Merge from gomp branch:
8406 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8407 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8408 and rename from struct inline_data. Rename callee* to dst*;
8409 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8410 transform_new_cfg, transform_return_to_modify, and
8411 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8413 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8414 (copy_decl_for_dup): Remove.
8415 * tree-inline.c (struct inline_data): Move to header.
8416 (insert_decl_map): Export.
8417 (remap_decl): Update for member name changes. Use copy_decl hook.
8418 Allow for replacement to be a non-decl. Remove dead code.
8419 (remap_type_1): Check for existing mapping.
8420 (remap_type): Export.
8421 (remap_decls): Update for member name changes.
8422 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8423 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8424 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8425 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8426 (tree_function_versioning, build_duplicate_type): Likewise.
8427 (copy_body_r): Likewise. Export.
8428 (copy_decl_for_dup): Split into ...
8429 (copy_decl_for_dup_finish, copy_decl_to_var,
8430 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8431 (replace_ref_tree, inlining_p): Remove.
8433 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8435 * ifcvt.c (if_convert): Make it static.
8436 * rtl.h: Remove the prototype for if_convert.
8438 * local-alloc.c (local_alloc): Make it static.
8439 * rtl.h: Remove the prototype for local_alloc.
8441 * loop.c (loop_optimize): Make it static.
8442 * cfgloop.h: Remove the prototype for loop_optimize.
8445 2006-01-16 DJ Delorie <dj@redhat.com>
8447 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8450 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8452 * pa.md: Disparage copies between general and floating-point registers
8453 in 32-bit move patterns.
8455 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8458 * Makefile.in (check-%): Depend on site.exp instead of
8459 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8462 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8464 * global.c (global_alloc): Make it static.
8465 * rtl.h: Remove the prototype for global_alloc.
8467 2006-01-16 Richard Guenther <rguenther@suse.de>
8469 * tree-ssa-alias.c (struct used_part): Add write_only field.
8470 (get_or_create_used_part_for): Initialize it to true.
8471 (create_overlap_variables_for): Don't create structure variables
8472 for structures that only are written to.
8473 (find_used_portions): Handle MODIFY_EXPR to track whether a
8474 structure is only written to.
8476 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8478 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8480 * basic-block.h: Remove the prototype for
8481 partition_hot_cold_basic_blocks.
8483 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8485 * cppspec.c (lang_specific_spec_functions): Remove.
8486 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8487 * gcc.h (lang_specific_spec_functions): Remove.
8488 * gccspec.c (lang_specific_spec_functions): Remove.
8490 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8492 * combine.c (record_value_for_reg): Invalidate registers
8494 (record_dead_and_set_regs_1): Likewise, by passing them to
8495 record_value_for_reg.
8496 (record_dead_and_set_regs): Invalidate stores made by a
8497 call. We do not combine across a call, but we still
8498 relied on equivalences.
8500 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8502 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8503 vrp_int_const_binop returning non-constant nodes.
8505 2006-01-16 Paul Brook <paul@codesourcery.com>
8507 * config/m68k/m68k.c (output_move_const_into_data_reg):
8508 Output correct mnemonic for mvz and mvs.
8510 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8512 * rtl-factoring.c: Add sequence abstraction algorithm.
8513 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8514 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8516 (block_has_preserve_label): New function.
8517 * common.opt: Register new pass.
8518 * Makefile.in: Ditto.
8520 * timevar.def: Ditto.
8521 * tree-pass.h: Ditto.
8522 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8523 * rtl.h (make_jump_insn_raw): Add forward decl.
8524 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8526 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8527 Roger Sayle <roger@eyesopen.com>
8529 * fold-const.c (fold_minmax): New static function.
8530 (fold_binary) <MIN_EXPR>: Call it.
8531 <MAX_EXPR>: Likewise.
8532 * stor-layout.c (place_field): Use DECL_SIZE consistently
8533 in the computation of the new record size.
8535 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8537 * cse.c (cse_condition_code_reg): Make it static.
8538 * rtl.h: Remove the prototype for cse_condition_code_reg.
8540 * combine.c (combine_instructions): Make it static.
8541 * rtl.h: Remove the prototype for combine_instructions.
8543 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8546 * tree.c (get_file_function_name_long): Concatenate the first global
8547 object name with a string derived from the input filename of the object
8550 2006-01-16 Ben Elliston <bje@au.ibm.com>
8552 * config/i386/winnt-stubs.c: Update FSF address.
8553 * config/xtensa/ieee754-df.S: Ditto.
8554 * config/xtensa/ieee754-sf.S: Ditto.
8556 2006-01-14 Ian Lance Taylor <ian@airs.com>
8558 * ifcvt.c (noce_init_if_info): New static function, broken out of
8559 noce_process_if_block.
8560 (noce_process_if_block): Call noce_init_if_info.
8561 (check_cond_move_block): New static function.
8562 (cond_move_process_if_block): New static function.
8563 (process_if_block): Call cond_move_process_if_block.
8565 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8567 * cselib.c (hash_table): Rename to cselib_hash_table.
8568 (cselib_clear_table, discard_useless_values,
8569 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8570 cselib_init, cselib_finish): Adjust uses of hash_table.
8572 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8574 PR tree-optimization/25485
8575 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8576 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8577 is known to be false and true, respectively.
8579 2006-01-14 Richard Guenther <rguenther@suse.de>
8581 PR tree-optimization/22548
8582 PR tree-optimization/22555
8583 PR tree-optimization/22501
8584 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8585 * params.def (salias-max-array-elements): New parameter.
8586 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8587 * doc/invoke.texi (salias-max-array-elements): Document.
8588 * tree-flow-inline.h (var_can_have_subvars): We also handle
8590 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8592 * tree-ssa-structalias.c (params.h): Include.
8593 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8594 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8595 (get_constraint_for): For ADDR_EXPR operating on something
8596 containing an ARRAY_REF, add all subvars to the solution.
8597 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8598 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8599 for creating MUST_DEFs.
8600 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8602 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8604 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8606 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8607 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8608 number_of_iterations_le): New functions.
8609 (number_of_iterations_special): Removed.
8610 (number_of_iterations_exit): Do not use number_of_iterations_special.
8611 * tree.c (unsigned_type_for): Always return integer type.
8613 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8614 Richard Guenther <rguenther@suse.de>
8616 PR rtl-optimization/24257
8617 * gcse.c (find_moveable_store): Only consider a store movable
8618 when the SET_SRC of the insn can be assigned to a register.
8620 2006-01-14 Ian Lance Taylor <ian@airs.com>
8622 * tree.c (tree_not_class_check_failed): New function.
8623 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8624 (tree_not_class_check_failed): Declare.
8626 2006-01-13 Ian Lance Taylor <ian@airs.com>
8628 * reload1.c (do_output_reload): Add assertion rejecting a
8631 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8633 * combine.c (struct reg_stat): Add new fields truncation_label and
8635 (record_value_for_reg): Reset truncated_to_mode.
8636 (record_truncated_value): New function.
8637 (check_promoted_subreg): Call it. Rename to check_conversions.
8638 (combine_instructions): Rename check_promoted_subreg to
8640 (reg_truncated_to_mode): New function.
8641 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8642 (gen_lowpart_or_truncate): New function.
8643 (force_to_mode): Use it instead of gen_lowpart.
8645 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8647 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8648 VAR is a tag, not its type tag.
8650 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8652 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8653 alternatives to match style of other entries.
8654 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8656 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8658 PR tree-optimization/25771
8659 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8662 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8665 * tree-inline.c (declare_return_variable): If the return variable
8666 was marked as a non gimple complex, set the return slot variable
8667 to be a non gimple comple variable.
8669 2006-01-13 Richard Guenther <rguenther@suse.de>
8671 * builtins.c (expand_builtin_sincos): New function.
8672 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8674 (expand_builtin): Expand sincos using expand_builtin_sincos.
8676 2006-01-12 DJ Delorie <dj@redhat.com>
8678 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8679 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8680 so that constant shifts can be split.
8681 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8682 (m32c_valid_pointer_mode): Make static.
8683 (shift_gen_func_for): New.
8684 (m32c_prepare_shift): Use it. Split large const shifts into
8686 * config/m32c/predicates.md (shiftcount_operand): Allow more
8688 (longshiftcount_operand): New.
8689 * doc/md.texi (Machine Constraints): Document In6.
8691 2006-01-13 Ben Elliston <bje@au.ibm.com>
8693 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8694 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8697 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8699 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8700 to try to avoid clobbering pieces of structures when we know
8701 something about the whole structure.
8702 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8704 2006-01-13 Ben Elliston <bje@au.ibm.com>
8706 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8707 return in memory, as this is no limitation is no longer present.
8709 2006-01-12 DJ Delorie <dj@redhat.com>
8711 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8712 mova with fb, and for fb+0 -> An.
8714 * config/m32c/mov.md (peephole2): Fix enabling logic.
8716 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8717 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8718 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8719 FINI_ARRAY_SECTION_ASM_OP): Define.
8721 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8723 (m32c_legitimize_reload_address): New logic to reload FB to An.
8724 (m32c_output_reg_push): Add newline.
8725 (m32c_output_reg_pop): Likewise.
8727 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8729 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8731 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8733 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8735 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8737 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8740 2006-01-11 Ben Elliston <bje@au.ibm.com>
8742 * rtlanal.c (find_reg_note): Assert insn is not null.
8744 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8746 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8749 2006-01-11 Jeff Law <law@redhat.com>
8751 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8753 (mark_threaded_blocks, register_jump_thread): New functions.
8754 (thread_through_all_blocks): Remove unwanted argument. No
8755 longer rely on e->aux to communicate thread target info.
8756 Call mark_threaded_blocks. Release the threaded_blocks
8757 bitmap and threaded_edges vector when complete.
8758 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8759 (threaded_blocks): Remove.
8760 (tree_ssa_dominator_optimize): Remove initialization and
8761 finalization of threaded_blocks. Simplify call to
8762 thread_through_all_blocks.
8763 (thread_across_edge): Call register_jump_thread rather than
8764 storing thread information into e->aux.
8765 (free_all_edge_infos): Simplify now that e->aux is no longer
8766 used to communicate with thread_through_all_blocks.
8767 * tree-flow.h (thread_through_all_blocks): Update prototype.
8768 (register_jump_thread): Prototype.
8770 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8772 * df-core.c (df_compact_blocks, df_bb_replace): Use
8773 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8775 2006-01-11 Richard Guenther <rguenther@suse.de>
8777 PR tree-optimization/25734
8778 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8779 stop propagation after successful propagation to the LHS.
8781 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8783 * basic-block.h (control_flow_graph): Change the type of
8784 x_basic_block_info to VEC(basic_block,gc) *.
8785 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8787 (SET_BASIC_BLOCK): New.
8788 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8789 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8790 * cfgbuild.c (find_basic_blocks): Likewise.
8791 * cfglayout.c (fixup_reorder_chain): Likewise.
8792 * cfgrtl.c (create_basic_block_structure,
8793 rtl_create_basic_block): Likewise.
8794 * ifcvt.c (find_if_case_1): Likewise.
8795 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8798 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8800 * Makefile.in: Removed rotted odf.c entry.
8802 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8805 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8806 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8807 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8808 output pattern modifier, not %e.
8809 * config/cris/cris.c (cris_op_str): Update comment about pattern
8811 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8812 before falling through into...
8813 <case 'E'>: Redefined from old 'e' case.
8815 2006-01-11 Jan Hubicka <jh@suse.cz>
8818 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8820 2006-01-11 Jan Hubicka <jh@suse.cz>
8822 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8823 * i386.c (x86_decompose_lea): Kill.
8824 (ix86_rtx_costs): Kill.
8826 2006-01-11 Jan Hubicka <jh@suse.cz>
8828 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8829 * cgraph.h (cgraph_node): Add inline_decl.
8830 (cgraph_insert_node_to_hashtable): Declare.
8831 (save_inline_function_body): Declare.
8832 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8834 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8835 (cgraph_function_versioning): Update call of tree_function_versioning.
8836 (save_inline_function_body): New function.
8837 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8838 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8839 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8840 (cgraph_default_inline_p): Likewise.
8841 (cgraph_decide_inlining_incrementally): Likewise.
8842 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8843 (copy_bb): Kill saving; do updating of clones.
8844 (copy_cfg_body): Kill saving.
8845 (initialize_inlined-parameters): Likewise.
8846 (expand_call_inline): Likewise.
8848 (tree_function_versioning): New parameter "update_clones".
8849 (inlining_p): Kill saving.
8850 * tree-inline.h (tree_function_versioning): Update prototype.
8851 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8854 2006-01-11 Ian Lance Taylor <ian@airs.com>
8856 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8857 Allow undoing set of machine mode.
8858 (do_SUBST): Use enums instead of is_int.
8859 (do_SUBST_MODE): New function.
8860 (SUBST_MODE): New macro.
8861 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8862 reg and trying to replace reg_regno_rtx with a new register.
8863 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8864 (simplify_set): Use SUBST_MODE.
8865 (distribute_notes): Remove code that tried to update reg notes
8866 for regno_reg_rtx changes.
8868 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8870 PR tree-optimization/23109
8871 PR tree-optimization/23948
8872 PR tree-optimization/24123
8874 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8875 * tree-cfg.c (single_noncomplex_succ): New.
8876 * tree-flow.h (single_noncomplex_succ): Declare it.
8877 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8878 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8879 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8880 insert_bb, register_division_in, insert_reciprocals,
8881 replace_reciprocal, free_bb): New.
8882 (execute_cse_reciprocals_1): Rewritten.
8883 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8884 Do not commit any edge insertion. Always compute dominators and
8885 create the allocation pool.
8886 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8887 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8888 * targhooks.c (default_min_divistions_for_recip_mul): New.
8889 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8890 * passes.c (init_optimization_passes): Run recip after tree loop
8892 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8894 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8895 Kenneth Zadeck <zadeck@naturalbridge.com>
8897 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8898 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8899 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8900 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8901 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8902 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8903 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8904 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8905 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8906 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8907 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8908 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8909 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8910 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8911 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8912 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8913 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8914 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8915 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8916 DF_SCAN_POST_ALLOC): New macros.
8917 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8918 df_free_bb_function, df_local_compute_function, df_init_function,
8919 df_dataflow_function, df_confluence_function_0,
8920 df_confluence_function_n, df_transfer_function,
8921 df_finalizer_function, df_free_function, df_dump_problem_function,
8922 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8923 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8924 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8925 df_urec_bb_info, ) New types.
8926 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8928 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8929 df_analyze_simple_change_some_blocks,
8930 df_analyze_simple_change_one_block, df_compact_blocks,
8931 df_bb_replace, df_bb_regno_last_use_find,
8932 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8933 df_insn_regno_def_p, df_find_def, df_find_use,
8934 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8935 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8936 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8937 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8938 debug_df_chain, df_get_dependent_problem, df_chain_create,
8939 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8940 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8941 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8942 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8943 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8944 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8945 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8946 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8947 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8948 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8949 df_reorganize_refs, df_set_state, df_hard_reg_init,
8950 df_read_modify_subreg_p) New public functions.
8951 * df-core.c: The core dataflow solver and glue routines for rtl
8953 (df_init, df_add_problem, df_set_blocks, df_finish,
8954 df_hybrid_search_forward, df_hybrid_search_backward,
8955 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8956 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8957 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8958 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8959 df_reg_defined, df_find_use, df_reg_used, df_dump,
8960 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8961 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8962 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8963 debug_df_useno, reset_df_after_reload): New functions.
8964 * df-scan.c: The scanning fuctions, once in df.c, completely
8965 rewritten so that they now fully model the functionality of
8966 register usage at the backend.
8967 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8968 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8969 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8970 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8971 df_get_artificial_defs, df_get_artificial_uses,
8972 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8973 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8974 df_refs_delete, df_reorganize_refs, df_set_state,
8975 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8976 df_def_record_1, df_defs_record, df_uses_record,
8977 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8978 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8979 df_record_exit_block_uses, df_hard_reg_init): New functions.
8981 * df-problems.c: Seven concrete dataflow problems that use the
8982 scanning in df-scan.c and are solved by the engine in df-core.c.
8983 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8984 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8985 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8986 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8987 df_ru_free_bb_info, df_ru_alloc,
8988 df_ru_bb_local_compute_process_def,
8989 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8990 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8991 df_ru_transfer_function, df_ru_free, df_ru_dump,
8992 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8993 df_rd_free_bb_info, df_rd_alloc,
8994 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8995 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8996 df_rd_transfer_function, df_rd_free, df_rd_dump,
8997 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8998 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8999 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9000 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9001 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9002 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9003 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9004 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9005 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9006 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9007 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9008 df_urec_mark_reg_use_for_earlyclobber,
9009 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9010 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9011 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9012 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9013 df_chain_create_bb_process_use, df_chain_create_bb,
9014 df_chain_finalize, df_chain_free, df_chains_dump,
9015 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9016 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9017 df_reg_lifetime): New functions.
9018 * df.c: Deleted file.
9019 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9020 consistent with new df api.
9021 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9022 rest_of_handle_sms): Ditto.
9023 * web.c (unionfind_union, union_defs, entry_register, web_main):
9025 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9026 invariant_expr_equal_p, find_defs, check_dependencies,
9027 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9028 free_inv_motion_data, move_loop_invariants): Ditto.
9029 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9030 Update dependencies.
9031 (odf.c): Added defective entry that was deleted later in day.
9032 * sched-deps.c (sched_analyze_1): Ditto.
9034 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9036 * tree-ssa-operands.c (get_expr_operands): Record addressable
9037 variables directly. Do not call add_stmt_operands for CONST_DECLs
9039 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9040 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9042 2006-01-11 Ben Elliston <bje@au.ibm.com>
9044 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9045 function returns true in the positive case.
9047 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9050 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9051 for SI, DI, SF and DF modes. Add alternatives to copy between
9052 general and floating point registers to the 32-bit patterns.
9053 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9054 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9055 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9056 generating 64-bit code.
9057 * config/pa/pa.c (output_move_double): Handle copies between general
9058 and floating registers.
9060 2006-01-10 Stuart Hastings <stuart@apple.com>
9062 * config/i386/i386.md (set_got): Update.
9063 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9064 (builtin_setjmp_receiver): Mach-O support.
9065 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9066 (GOT_SYMBOL_NAME): Define.
9067 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9068 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9069 * config/i386/i386.c (override_options): Revise for Darwin.
9070 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9071 support. (darwin_x86_file_end): New. (output_set_got): Add label
9072 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9073 * config/i386/i386-protos.h (output_set_got): Likewise.
9074 * config/darwin.c (machopic_legitimize_pic_address): Update
9077 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9079 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9080 when MODE isn't BLKmode.
9082 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9084 PR rtl-optimization/25367
9085 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9087 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9090 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9091 for a negative bound.
9093 2006-01-10 Richard Guenther <rguenther@suse.de>
9095 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9096 Never override with anything constraint.
9098 2006-01-10 Jan Beulich <jbeulich@novell.com>
9100 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9101 256 bits when optimize_size.
9103 2006-01-10 Jan Beulich <jbeulich@novell.com>
9105 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9107 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9108 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9111 2006-01-10 Ben Elliston <bje@au.ibm.com>
9113 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9115 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9116 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9117 (USE_FP_FOR_ARG): Reject decimal float modes.
9118 (function_arg_advance): Likewise.
9119 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9120 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9121 point types in AltiVec vectors.
9122 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9123 (rs6000_libcall_value): Likewise.
9125 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9127 * config/xtensa/ieee754-df.S: New file.
9128 * config/xtensa/ieee754-sf.S: New file.
9129 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9130 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9131 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9133 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9135 * config/sh/predicates.md (binary_float_operator,
9136 binary_logical_operator, commutative_float_operator,
9137 equality_comparison_operator, greater_comparison_operator,
9138 less_comparison_operator, logical_operator,
9139 noncommutative_float_operator, shift_operator,
9140 symbol_ref_operand, unary_float_operator): Remove redundant
9143 2006-01-09 Jeff Law <law@redhat.com>
9145 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9146 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9147 now unused arguments. Callers updated.
9148 (eliminate_redundant_computations): Remove now unused arguments,
9150 (local_fold): Remove, no longer used.
9151 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9153 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9154 (simplify_cond): New function.
9155 (forward_propagate_into_cond): Call simplify_cond.
9157 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9159 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9160 (*vec_extractv2di_1_sse): New.
9162 2006-01-09 Ben Elliston <bje@au.ibm.com>
9164 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9166 2006-01-08 Richard Guenther <rguenther@suse.de>
9168 * tree-ssa-structalias.c (get_constraint_for): Remove
9170 (get_constraint_for_component_ref): Likewise.
9171 (do_deref): Likewise.
9172 (get_constraint_for): Likewise.
9173 (do_structure_copy): Likewise.
9174 (handle_ptr_arith): Likewise.
9175 (find_func_aliases): Likewise. Remove unused need_anyoffset
9178 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9179 Kaz Kojima <kkojima@gcc.gnu.org>
9181 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9182 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9183 (EXTRA_CONSTRAINT_C16): Remove.
9184 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9185 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9186 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9187 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9188 constants of SHmedia. Handle nested constant expressions of
9190 (andcosts): Fix the costs for SHmedia constants.
9191 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9192 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9193 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9194 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9195 (movv4hi_i, movv2si_i): Likewise.
9196 (movsi_const): Adjust the second operand of ior so to match with
9198 (movdi_const, movdi_const_32bit): Likewise.
9199 (movdi_const_16bit+1): Don't sign-extend LOW.
9200 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9202 (*double_shori): Fix the split condition. Use GEN_INT instead
9203 of get_int_mode calls. Mask lower 16-bit of the argument of
9205 (sym2GOTPLT): Remove.
9206 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9208 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9209 instead of EXTRA_CONSTRAINT_C16.
9211 2006-01-07 Ian Lance Taylor <ian@airs.com>
9212 David Edelsohn <edelsohn@gnu.org>
9214 PR rtl-optimization/25662
9215 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9216 for constant operands instead of simplify_gen_binary.
9217 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9218 after trying simplify_binary_operation
9220 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9222 * tree.c (iterative_hash_expr): Hash decls based on UID.
9224 2006-01-06 Eric Christopher <echristo@apple.com>
9226 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9227 (TARGET_UNWIND_EMIT): Fix spelling.
9228 * target.h (gcc_target): Add except_table_label.
9229 * except.c (output_function_exception_table): Use.
9230 * varasm.c (default_emit_except_table_label): New.
9231 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9233 (asm_out): Add here.
9234 * output.h (default_emit_except_table_label): Prototype.
9235 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9236 * config/darwin.c (darwin_emit_except_table_label): Define.
9237 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9239 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9241 PR tree-optimization/18527
9242 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9243 number_of_iterations_special, number_of_iterations_exit):
9244 Move base and step of an iv to a single structure. Add
9245 no_overflow flag, and use it in # of iterations analysis.
9246 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9247 folded_casts argument.
9248 (simple_iv): Pass base and step in a structure. Set no_overflow
9250 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9251 Evaluate expensiveness of computing # of iterations instead of
9252 the final expression.
9253 * tree-scalar-evolution.h (affine_iv): New structure.
9254 (simple_iv): Declaration changed.
9255 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9256 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9257 find_givs_in_stmt): Changed due to simple_iv change.
9259 2006-01-06 Jeff Law <law@redhat.com>
9262 * tree-cfg.c (bsi_replace): Rename final argument from
9263 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9264 change (stmt -> orig_stmt).
9265 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9266 (bsi_remove): Add new argument. Remove EH information
9268 (verify_eh_throw_table_statements): New function.
9269 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9271 * tree-optimize.c (execute_free_cfg_annotations): Verify
9272 the EH throw statement table after removing annotations.
9273 * except.h (verify_eh_throw_table_statements): Prototype.
9274 * tree-flow.h (bsi_remove): Update prototype.
9275 * tree-vrp.c (remove_range_assertions): Add new argument to
9277 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9278 * tree-complex.c (expand_complex_div_wide): Likewise.
9279 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9280 * tree-tailcall.c (eliminate_tailcall): Likewise.
9281 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9282 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9283 * tree-nrv.c (tree_nrv): Likewise.
9284 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9285 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9286 (combine_blocks): Likewise.
9287 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9288 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9289 (cleanup_control_flow): Likewise.
9290 (remove_forwarder_block): Likewise.
9291 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9292 * tree-sra.c (sra_replace): Likewise.
9293 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9294 (forward_propagate_single_use_vars): Likewise.
9295 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9296 * tree-inline.c (expand_call_inline): Likewise.
9297 * tree-vect-transform.c (vect_transform_loop): Likewise.
9298 * tree-outof-ssa.c (rewrite_trees): Likewise.
9299 * tree-cfg.c (make_goto_expr_edges): Likewise.
9300 (cleanup_dead_labels): Likewise.
9301 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9302 (bsi_move_before, bsi_move_after): Likewise.
9303 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9304 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9306 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9309 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9311 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9312 on non gimple variables. Also add checks at the top for decls and
9314 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9316 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9317 and IMAGPART_EXPR for creating MUST_DEFs.
9318 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9319 and NAME_MEMORY_TAG separately from the DECLs.
9321 2006-01-06 Richard Guenther <rguenther@suse.de>
9323 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9324 annotation, if necessary.
9325 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9326 redundant calls to update_stmt.
9327 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9330 2006-01-05 Richard Henderson <rth@redhat.com>
9332 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9334 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9336 * c-typeck.c: Update copyright date.
9338 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9340 * c-typeck.c (build_c_cast): Always warn when casting
9341 from a pointer to an integer of different size, even if
9342 the node was constant.
9344 2006-01-05 Richard Guenther <rguenther@suse.de>
9346 PR tree-optimization/22555
9347 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9348 if one structure field is an array.
9349 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9350 operands even if we found a subvar, but ignore VOPs in this
9352 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9354 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9356 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9359 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9361 2006-01-05 Richard Guenther <rguenther@suse.de>
9362 Diego Novillo <dnovillo@redhat.com>
9364 * tree-pass.h (TODO_remove_unused_locals): Define.
9365 * gimple-low.c (expand_var_p, remove_useless_vars,
9366 pass_remove_useless_vars): Remove. Update all users.
9367 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9368 (remove_unused_locals): New function.
9369 * tree-flow.h (remove_unused_locals): Declare.
9370 * passes.c (execute_todo): Call remove_unused_locals if
9371 TODO_remove_unused_locals is set.
9372 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9373 * tree-ssa-dce.c (pass_dce): Likewise.
9374 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9376 2006-01-05 Richard Guenther <rguenther@suse.de>
9378 * tree-flow.h (struct fieldoff): Decompose field to
9379 type, size and decl.
9380 * tree-ssa-alias.c (create_sft): Take type as parameter.
9381 (create_overlap_variables_for): Store type, size and decl
9382 in the fieldoff structure.
9383 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9385 (push_fields_onto_fieldstack): Likewise.
9386 (create_variable_info_for): Likewise. Use offset for the
9387 SFT name if the decl is not available.
9389 2006-01-04 Paul Brook <paul@codesourcery.com>
9391 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9393 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9395 * lambda-code.c (can_put_in_inner_loop): Relax
9397 (can_put_after_inner_loop): New function.
9398 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9399 (perfect_nestify): Change to make copies and modify uses.
9401 2006-01-04 Richard Henderson <rth@redhat.com>
9403 Merge from gomp branch:
9404 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9405 via integer constant.
9406 (pragma_lex): Remove.
9407 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9408 rather than parsing it.
9409 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9410 handle_pragma_extern_prefix): Add %< %> quotes.
9411 (registered_pragmas): New.
9412 (c_register_pragma_1): New.
9413 (c_register_pragma): Use it.
9414 (c_register_pragma_with_expansion): Likewise.
9415 (c_invoke_pragma_handler): New.
9416 (init_pragma): Use cpp_register_deferred_pragma directly for
9418 * c-pragma.h (enum pragma_kind): New.
9419 (pragma_handler): New.
9420 (c_invoke_pragma_handler): Declare.
9421 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9423 * c-common.h (c_common_pch_pragma): Update decl.
9424 * Makefile.in (c-parser.o): Update dependencies.
9425 (GTFILES): Add c-pragma.h.
9426 * c-parser.c (struct c_token): Add pragma_kind.
9427 (struct c_parser): Add in_pragma.
9428 (c_lex_one_token): Always initialize keyword and pragma_kind.
9429 Extract data for CPP_PRAGMA.
9430 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9431 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9432 Don't allow CPP_PRAGMA_EOL if in_pragma.
9433 (c_parser_consume_pragma): New.
9434 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9435 (c_parser_skip_to_end_of_parameter): Likewise.
9436 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9437 (c_parser_skip_to_pragma_eol): New.
9438 (c_parser_external_declaration): Handle CPP_PRAGMA.
9439 (c_parser_compound_statement_nostart): Likewise.
9440 (c_parser_statement_after_labels): Likewise.
9441 (c_parser_pragma): New.
9442 (pragma_lex): Likewise.
9443 (c_parser_pragma_pch_preprocess): New.
9444 (c_parser_new): Merge into ...
9445 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9447 2006-01-04 Jeff Law <law@redhat.com>
9450 * tree-cfg.c (bsi_replace): Remove the original statement
9451 from the EH throw statement table.
9453 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9455 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9456 make the prototype extern "C" and add throw ().
9459 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9460 and pos non-negative and pos + len <= 32.
9461 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9462 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9463 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9466 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9467 as well as sizes not multiple of component size.
9470 * function.c (instantiate_expr): New function.
9471 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9472 walk its DECL_VALUE_EXPR with instantiate_expr.
9474 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9475 DW_OP_deref{,_size} if address isn't going to be added.
9477 2006-01-04 Ben Elliston <bje@au.ibm.com>
9479 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9480 * config/fp-bit.c: Likewise.
9482 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9484 * dominance.c: Add comment about why we use DFS numbering
9487 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9488 Richard Henderson <rth@redhat.com>
9490 Merge from gomp-branch:
9491 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9492 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9494 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9496 PR rtl-optimization/25578
9497 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9498 pass a parameter to simplify_shift_const if changing ASHIFTRT
9501 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9503 * builtins.c (get_builtin_sync_mem): New function.
9504 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9505 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9506 Call get_builtin_sync_mem to generate mem rtx.
9508 2006-01-03 Richard Guenther <rguenther@suse.de>
9511 * stmt.c (add_case_node): Make sure to clear overflow flags
9514 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9516 Merge from gomp-branch.
9517 * config/sparc/sync.md: New file.
9518 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9519 UNSPECV_LDSTUB): New constants.
9520 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9521 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9522 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9525 2006-01-03 Roger Sayle <roger@eyesopen.com>
9527 * combine.c (reg_subword_p): New predicate to test whether the
9528 destination of a set refers to a subword/piece of a register.
9529 (try_combine): Generalize the code to merge the setting of a
9530 pseudo to a constant followed by a set of a subword of that
9531 register to a constant.
9533 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9535 * basic-block.h (control_flow_graph): Change the type of
9536 x_label_to_block_map to VEC(basic_block,gc) *.
9537 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9538 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9540 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9541 VEC(basic_block,heap) *.
9542 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9543 ssa_prop_fini): Adjust the uses of cfg_blocks.
9545 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9547 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9549 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9550 hashing trees instead of a pointer hash.
9551 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9552 compare for MEM_EXPR.
9554 PR rtl-optimization/25130
9555 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9556 when comparing MEMs for GCSE
9558 2006-01-03 Ben Elliston <bje@au.ibm.com>
9560 * targhooks.h (default_decimal_float_supported_p): Declare.
9561 * targhooks.c (default_decimal_float_supported_p): Define.
9562 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9563 `default_decimal_float_supported_p'.
9564 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9566 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9568 * combine.c (apply_distributive_law <SUBREG>): Check
9569 TRULY_NOOP_TRUNCATION.
9571 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9573 * dwarf2out.c (have_switched_text_section): Delete.
9574 (have_multiple_function_sections): New.
9575 (have_location_lists): Make 'bool'.
9576 (add_AT_loc_list): Use 'true' not '1'.
9577 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9578 (output_loc_list): Use have_multiple_function_sections.
9579 (output_ranges): Likewise.
9580 (dwarf2out_begin_function): Set have_multiple_function_sections if
9582 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9583 Check function_section rather than DECL_SECTION_NAME.
9584 (dwarf2out_finish): Use have_multiple_function_sections.
9585 Don't clear have_location_lists.
9587 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9588 Jan Hubicka <jh@suse.cz>
9590 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9591 case of conditional jump jumping to the next instruction.
9592 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9593 cases of conditional jump jumping to the next instruction.
9595 2006-01-02 Jan Hubicka <jh@suse.cz>
9597 * i386.c (*_cost): Add COSTS_N_INSNS.
9598 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9600 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9603 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9605 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9607 * config/arm/arm.c (all_fpus): Fix comment typo.
9608 * config/darwin.c: Likewise.
9609 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9610 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9611 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9613 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9615 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9616 (rs6000_split_compare_and_swapqhi): New.
9617 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9618 (sync_compare_and_swapqhi_internal): New.
9619 * config/rs6000/rs6000-protos.h: Declare.