1 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4 * flow.c (reg_n_info): Change the type to
5 VEC(reg_info_p,heap) *.
6 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8 * regs.h (reg_info_p): New.
9 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
11 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
14 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
16 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
18 * params.h (MAX_SCHED_READY_INSNS): New macro.
19 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
20 past MAX_SCHED_READY_INSNS during the first scheduling pass.
21 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
22 the ready list for 1 cycle during the first scheduling pass.
23 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
25 2006-04-13 Richard Henderson <rth@redhat.com>
28 * gimple-low.c (lower_omp_directive): Remove dead code.
29 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
30 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
31 * omp-low.c (struct omp_region): Move to tree-flow.h.
32 (root_omp_region): Export.
33 (omp_regions, lookup_omp_region): Remove.
34 (determine_parallel_type): Update for struct omp_region changes.
35 (dump_omp_region): Dump regions with block numbers.
36 (new_omp_region): Take type and block instead of stmt; malloc
38 (free_omp_region_1, free_omp_regions): New.
39 (expand_parallel_call): Take entry_stmt as argument; update for
40 changes to omp_region.
41 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
42 (remove_exit_barriers): New.
43 (expand_omp_parallel): Update for struct omp_region changes.
44 (expand_omp_synch): Likewise.
45 (expand_omp): Likewise.
46 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
47 (expand_omp_for_static_chunk): Likewise.
48 (expand_omp_for): Likewise.
49 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
50 (expand_omp_sections): Similarly, with GOMP_sections_end.
51 (expand_omp_single): New.
52 (build_omp_regions_1): Update for OMP_CONTINUE.
53 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
54 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
55 OMP_SECTIONS_SECTIONS.
56 (lower_omp_single_simple): Don't emit barrier here.
57 (lower_omp_single_copy): Likewise.
58 (lower_omp_single): Fix bindings, and lower to straightline now.
59 (lower_omp_master, lower_omp_ordered): Likewise.
60 (lower_omp_critical): Likewise.
61 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
62 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
63 omp edges, free it afterward.
64 (make_omp_sections_edges): Remove.
65 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
66 (move_stmt_r): Handle OMP_CONTINUE.
67 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
68 statement pointers to basic blocks. Add type member.
69 (root_omp_region, new_omp_region, free_omp_regions): Declare.
70 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
71 * tree-inline.c (estimate_num_insns_1): Likewise.
72 * tree-pretty-print.c (dump_generic_node): Likewise.
73 * tree-ssa-operands.c (get_expr_operands): Likewise.
74 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
75 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
77 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
78 (OMP_SECTIONS_SECTIONS): Remove.
79 (OMP_SECTION_LAST): New.
80 (OMP_RETURN_NOWAIT): New.
82 2006-04-13 Roger Sayle <roger@eyesopen.com>
84 * fold-const.c (native_encode_vector, native_interpret_real):
85 Correct obvious mistakes in the previous check-in.
87 2006-04-13 Roger Sayle <roger@eyesopen.com>
89 * fold-const.c (native_encode_expr): New function to encode
90 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
91 or VECTOR_CST into a specified buffer.
92 (native_encode_int): New function.
93 (native_encode_real): New function.
94 (native_encode_complex): New function.
95 (native_encode_vector): New function.
96 (native_interpret_expr): Inverse of native_encode_expr to convert
97 a target representation into an INTEGER_CST, REAL_CST etc...
98 (native_interpret_int): New function.
99 (native_interpret_real): New function.
100 (native_interpret_complex): New function.
101 (native_interpret_vector): New function.
102 (fold_view_convert_expr): New function to constant fold/evaluate
103 a VIEW_CONVERT_EXPR of a suitable constant expression.
104 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
105 Change call of build1 to fold_build1 when constructing a
108 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
109 Ulrich Weigand <uweigand@de.ibm.com>
112 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
115 2006-04-13 Alan Modra <amodra@bigpond.net.au>
118 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
119 optimize to lo_sum for DFmode if !TARGET_FPRS.
121 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
123 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
124 delete_alias_info, compute_flow_sensitive_aliasing,
125 group_aliases): Use VEC instead of VARRAY.
126 * tree-ssa-structalias.c (update_alias_info): Likewise.
127 * tree-ssa-structalias.h (alias_info): Change the type of
128 processed_ptrs to VEC(tree,heap) *.
130 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
133 * config/sh/lib1funcs.h: New file, broken out of:
134 * config/sh/lib1funcs.asm.
135 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
137 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
138 * config/sh/lib1funcs-Os-4-200.asm: New file.
139 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
140 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
141 (EXTRA_MULTILIB_PARTS): Include it.
142 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
143 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
144 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
145 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
148 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
150 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
151 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
152 tpa_compact, root_var_init, type_var_init): Use VEC instead of
154 * tree-ssa-live.h: Include vecprim.h.
155 (tree_partition_associator_d): Change the type of
156 first_partition to VEC(int,heap) *.
157 (tpa_first_partition): Use VEC instead of VARRAY.
159 * Makefile.in (GTFILES): Move functions.h after tree.h.
160 * function.c (reset_block_changes, record_block_change,
161 check_block_change, free_block_changes): Use VEC instead of
163 * function.h (function): Change the type of
164 ib_boundaries_block to VEC(tree,gc) *.
165 * tree-inline.c (copy_cfg_body): Initialize
166 ib_boundaries_block to NULL instead of (varray_type) 0.
168 2006-04-12 Roger Sayle <roger@eyesopen.com>
170 * expr.c (emit_group_store): Correct operand order in call to
171 subreg_lowpart_offset. Always create paradoxical SUBREGs with
172 a SUBREG_BYTE of zero.
174 2006-04-12 Richard Guenther <rguenther@suse.de>
176 * profile.c (compute_branch_probabilities): Remove code
177 encapsulated in !ir_type (), which are remanents of the
178 removed RTL profiling code.
179 * rtl-profile.c: Remove.
181 2006-04-12 Alan Modra <amodra@bigpond.net.au>
183 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
184 magic NULL_RTX comment.
185 (function_arg): Store entire fp arg to mem if any part should go
187 (rs6000_arg_partial_bytes): Adjust for above change.
189 2006-04-11 Roger Sayle <roger@eyesopen.com>
191 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
192 if it hasn't been initialized by dwarf2out_init.
194 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
196 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
197 symbolic constants in branch patterns.
199 2006-04-11 Roger Sayle <roger@eyesopen.com>
201 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
203 2006-04-11 Richard Sandiford <richard@codesourcery.com>
205 PR rtl-optimization/27073
206 * gcse.c (try_replace_reg): Revert last change. Continue to search
207 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
210 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
212 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
213 aggregate types other than record and union types.
214 (function_arg): Likewise.
215 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
217 (function_value): In 64-bit mode, return objects that require it
220 2006-04-11 Roger Sayle <roger@eyesopen.com>
222 * dwarf2out.c (premark_used_types): Remove problematic prototype.
224 2006-04-11 Jakub Jelinek <jakub@redhat.com>
226 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
228 2006-04-03 Jeff Law <law@redhat.com>
231 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
232 alias information too.
234 2006-04-10 Mike Frysinger <vapier@gentoo.org>
236 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
238 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
241 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
242 (premark_used_types_helper): New.
243 (premark_used_types): New.
244 (gen_subprogram_die): Call premark_used_types.
245 (prune_unused_types_walk): Do not prune perennial dies.
246 * function.c (used_types_insert): New.
247 * function.h (struct function): Add used_types_hash field.
248 (used_types_insert): Add prototype.
249 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
250 * c-parser.c (c_parser_cast_expression): Save casted types in used
253 2006-04-11 Mark Mitchell <mark@codesourcery.com>
256 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
257 rs6000_explicit_options.float_gprs.
259 2006-04-10 Roger Sayle <roger@eyesopen.com>
261 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
262 from ix86_expand_vector_init_low_nonzero. Take an additional
263 one_var argument indicating which element is non-zero. Support
264 one_var != 0 for V4SFmode and V4SImode by permuting the result.
265 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
266 with one_var instead of ix86_expand_vector_init_low_nonzero.
268 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
270 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
271 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
272 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
273 build/genextract.o): Depend on vecprim.h.
274 * cfglayout.c, df-problems.c, function.c, genextract.c,
275 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
276 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
280 2006-04-10 Geoffrey Keating <geoffk@apple.com>
282 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
283 Declare VECs of this type.
284 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
285 (remove_children): Delete.
286 (add_dwarf_attr): Use VEC routines.
287 (add_AT_flag): Update for changes to add_dwarf_attr.
288 (add_AT_int): Likewise.
289 (add_AT_unsigned): Likewise.
290 (add_AT_long_long): Likewise.
291 (add_AT_vec): Likewise.
292 (add_AT_string): Likewise.
293 (add_AT_die_ref): Likewise.
294 (add_AT_fde_ref): Likewise.
295 (add_AT_loc): Likewise.
296 (add_AT_loc_list): Likewise.
297 (add_AT_addr): Likewise.
298 (add_AT_lbl_id): Likewise.
299 (add_AT_lineptr): Likewise.
300 (add_AT_macptr): Likewise.
301 (add_AT_offset): Likewise.
302 (add_AT_range_list): Likewise.
303 (get_AT): Use VEC_iterate.
304 (remove_AT): Use VEC_ordered_remove.
305 (free_die): Fold remove_children into here; have it use VEC_iterate.
306 (print_die): Use VEC_iterate on attrs.
307 (reverse_die_lists): Don't reverse attr lists.
308 (die_checksum): Use VEC_iterate on attrs.
309 (same_die_p): Likewise.
310 (output_location_lists): Likewise.
311 (build_abbrev_table): Likewise.
312 (size_of_die): Likewise.
313 (unmark_all_dies): Likewise.
314 (output_abbrev_section): Likewise.
315 (output_die): Likewise.
316 (prune_unused_types_walk_attribs): Likewise.
318 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
320 * doc/install.texi (*-*-solaris2*): Point to the configure page.
322 2006-04-10 Jakub Jelinek <jakub@redhat.com>
325 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
327 2006-04-09 Roger Sayle <roger@eyesopen.com>
329 * expr.c (store_constructor): Don't bother clearing target if
330 we're about to assign a vector to it using vec_init_optab.
332 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
334 * tree-ssa-alias.c (lhs_may_store_to): New function.
335 (recalculate_used_alone): Handle LHS of calls.
337 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
341 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
342 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
343 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
344 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
345 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
346 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
347 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
348 stubs. Add ".align 8" directives before all ".dword" directives.
349 (GTHREAD_USE_WEAK): Revise comment.
350 (TARGET_ATTRIBUTE_WEAK): Define.
351 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
352 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
353 * stublib.c: New file.
358 * pa.md (cbranch patterns): Revise arguments used in calls to
359 output_cbranch, output_bb and output_bvd. Add long branch length
361 (fbranch patterns): Handle long branches.
362 (jump): Revise length check. Revise arguments for output_lbranch call.
363 Add long branch length attributes.
364 (decrement_and_branch_until_zero): Add long branch length attributes.
365 (output_movb, output_parallel_addb and output_parallel_movb patterns):
366 Likewise. Revise arguments for output_parallel_addb and
367 output_parallel_movb calls.
368 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
369 output_parallel_movb and output_parallel_addb): Update prototypes.
370 * pa.c (output_cbranch): Revise arguments. Correct handling of
371 nullification in long branches.
372 (output_lbranch): Add new argument to control extraction of delay
374 (output_bb): Handle long branches.
375 (output_bvb, output_dbra, output_movb, output_parallel_movb,
376 output_parallel_addb): Likewise.
378 2006-04-09 Richard Sandiford <richard@codesourcery.com>
380 PR rtl-optimization/27073
381 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
384 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
386 * tree.h (tree_memory_tag): Add old_used_alone.
387 (SMT_OLD_USED_ALONE): New macro.
388 * tree-ssa-alias.c (recalculate_used_alone): Stop
389 marking things for renaming unnecessarily.
391 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
393 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
394 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
395 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
396 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
397 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
398 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
399 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
400 spelling convensions.
401 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
402 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
403 typos. Follow spelling conventions.
405 2006-04-07 DJ Delorie <dj@redhat.com>
407 * config/m32c/m32c.c (m32c_function_arg): Structures are always
409 (m32c_init_cumulative_args): When a function returns a structure,
410 always pass the pointer to that return area on the stack.
411 (m32c_function_arg_advance): Don't increment the parameter number
412 if we're processing the returned structure pointer.
413 (pushm_info): Reverse order of registers.
415 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
417 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
418 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
419 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
420 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
422 * tree-chrec.c (chrec_fold_multiply_poly_poly,
423 chrec_fold_multiply): Same.
424 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
425 force_expr_to_var_cost): Same.
426 * tree-mudflap.c (mf_xform_derefs_1): Same.
427 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
429 2006-04-07 David Edelsohn <edelsohn@gnu.org>
431 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
432 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
435 2006-04-07 Jan Hubicka <jh@suse.cz>
437 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
439 2006-04-07 Richard Guenther <rguenther@suse.de>
441 PR tree-optimization/26135
442 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
443 loads for store copy-prop.
444 (copy_prop_visit_stmt): Likewise.
446 2006-04-05 Robert Millan <robertmh@gnu.org>
448 * gcc/config/i386/linux.h: Add a comment to mark macros that are
449 being overriden in config/k*bsd-gnu.h.
450 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
452 * gcc/config/knetbsd-gnu.h: Ditto.
454 2006-04-06 Jan Hubicka <jh@suse.cz>
458 * coverage.c (coverage_checksum_string): Reorganize loop to not read
461 2006-04-06 Mike Stump <mrs@apple.com>
463 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
464 for HAVE_nonlocal_goto to be consistent.
465 (expand_builtin_nonlocal_goto): Likewise.
466 (expand_builtin_strcmp): Use #ifdef instead of #if
467 for HAVE_cmpstrnsi to be consistent.
469 2006-04-05 DJ Delorie <dj@redhat.com>
471 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
474 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
476 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
477 got-relative addressing for anything but SImode.
479 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
480 even if the calling function doesn't modify them.
482 2006-04-05 Richard Guenther <rguenther@suse.de>
484 PR tree-optimization/26919
485 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
486 to cgraph_estimate_size_after_inlining.
488 2006-04-05 Alan Modra <amodra@bigpond.net.au>
490 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
492 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
494 PR tree-optimization/26996
495 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
496 VECTOR_TYPE variables.
498 2006-04-05 Richard Guenther <rguenther@suse.de>
500 PR tree-optimization/26763
501 * fold-const.c (fold_comparison): Move folding of
502 PTR + CST CMP PTR + CST ...
503 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
505 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
507 * doc/install.texi (Prerequisites): Refine some wording on
508 bootstrapping and ksh.
509 Move the version numbers of DejaGnu here from the testing section
510 and fix casing of names.
511 Fix markup and clarify wording for autogen requirements.
512 Refer to GCJ instead of just java.
513 Refer to SVN instead of CVS.
514 Describe diffutils as useful instead of necessary.
515 (Downloading the source): Refer to SVN instead of CVS.
516 Adjust a link to our web site accordingly.
517 (Configuration): Fix casing of Bison.
518 (Building): Refer to SVN instead of CVS.
519 Fix a sentence on the use of Bison and remove duplicate (and
520 incorrect) version number of Bison requirement.
521 Remove one redundant list of packages needed for building.
522 (Specific): Avoid reference to CVS.
524 2006-04-04 Eric Christopher <echristo@apple.com>
526 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
527 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
528 (rs6000_handle_struct_attribute): New.
529 (rs6000_ms_bitfield_layout_p): Ditto.
531 2006-04-04 Geoffrey Keating <geoffk@apple.com>
533 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
534 NULL for dso parameter to atexit_common.
536 2006-04-04 Eric Christopher <echristo@apple.com>
538 * config/i386/i386.c (machopic_output_stub): Output \t
539 between instructions and operands.
541 2006-04-04 David Edelsohn <edelsohn@gnu.org>
543 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
544 satisfies_constraint_[IL] to explicit tests on value.
546 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
548 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
549 set_nb_iterations_in_loop): Use build_int_cst instead of
551 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
552 build_int_cst instead of convert.
554 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
556 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
557 new value 2 for incoming.
558 * function.c (expand_function_start): Call struct_value_rtx
560 * config/sparc/sparc.md: Comment updated_return.
561 * config/sparc/sparc.opt: Add -mstd-struct-return option.
562 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
563 struct return if sparc_std_struct_return and incoming is 2.
564 (print_operand): Do not adjust return if
565 sparc_std_struct_return.
567 2006-04-04 Roger Sayle <roger@eyesopen.com>
569 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
570 convert in the middle-end.
571 * expr.c (store_expr, store_constructor, get_inner_reference,
572 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
574 * tree.c (build_range_type): Likewise.
576 2006-04-04 Tom Tromey <tromey@redhat.com>
578 * doc/install.texi (Prerequisites): Mention jar.
580 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
582 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
585 2006-04-04 Matthias Klose <doko@debian.org>
587 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
589 2006-04-03 Geoffrey Keating <geoffk@apple.com>
591 * doc/extend.texi (Function Attributes): Rewrite visibility
592 attribute documentation.
593 * doc/invoke.texi (C++ Dialect Options): Rewrite
594 -fvisibility-inlines-hidden documentation to describe something
595 entirely different, although in practise compatible.
596 (Code Gen Options): Warn about system headers in -fvisibiltity=
599 * doc/extend.texi (Other Builtins): Document that
600 __builtin_nan is a compile-time constant only when its argument
603 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
605 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
606 trying to remove TRUNCATE check if all bits outside the new mode
607 are identical to the sign bit.
609 2006-04-03 Jeff Law <law@redhat.com>
611 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
612 and operand scanning in some common cases.
614 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
615 Dale Johannesen <dalej@apple.com>
618 * regclass.c (struct reg_pref): Update documentation.
619 (regclass): Set prefclass to NO_REGS if memory is the best option.
620 (record_reg_classes): Cope with a prefclass set to NO_REGS.
621 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
622 into account. For non-registers, equate an empty preferred
623 reload class to a `!' in the constraint; move the if clause to
624 do so after those that reject the insn.
625 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
627 (find_dummy_reload): Likewise.
628 * doc/tm.texi (Register Classes): Document what it means
629 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
630 * config/i386/i386.c (ix86_preferred_reload_class): Force
631 using SSE registers (and return NO_REGS for floating-point
632 constants) if math is done with SSE.
633 (ix86_preferred_output_reload_class): New.
634 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
635 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
636 * config/i386/i386.md: Remove # register preferences.
638 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
641 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
642 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
644 (instantiate_parameters_1): Convert the operands before calling
645 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
646 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
648 2006-04-02 Roger Sayle <roger@eyesopen.com>
650 * builtins.c (dummy_object): Use build_int_cst instead of convert.
651 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
653 * dojump.c (do_jump): Likewise.
654 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
655 * gimplify.c (gimple_boolify, gimplify_init_constructor,
656 gimplify_boolean_expr): Likewise.
657 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
658 * varasm.c (array_size_for_constructor): Likewise.
659 * tree-object-size.c (compute_object_offset): Likewise.
661 2006-04-02 Roger Sayle <roger@eyesopen.com>
664 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
665 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
667 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
669 PR tree-optimization/26939
670 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
672 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
674 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
675 at_stmt. Convert the type of operands before calling
676 build_polynomial_chrec.
677 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
679 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
680 (instantiate_parameters_1): Convert the type of operands before calling
681 build_polynomial_chrec.
682 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
683 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
684 reset_evolution_in_loop): Insert asserts to check the types of the
686 (chrec_type): Moved...
687 (eq_evolutions_p): Use operand_equal_p.
688 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
689 the types of the operands.
690 (chrec_type): ...here.
691 * tree-data-ref.c (create_data_ref): Convert the operands before
692 calling chrec_replace_initial_condition.
693 (same_access_functions, analyze_subscript_affine_affine,
694 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
695 (compute_subscript_distance, analyze_ziv_subscript,
696 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
697 analyze_miv_subscript): Convert the operands before calling
698 chrec_fold_minus or chrec_fold_plus.
700 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
702 * tree-data-ref.c (compute_all_dependences): Use a pointer to
703 the dependence_relations vector.
704 (compute_data_dependences_for_loop): Adjust call to
705 compute_all_dependences.
707 2006-04-01 Roger Sayle <roger@eyesopen.com>
708 Richard Henderson <rth@redhat.com>
710 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
711 gimple_boolify on the condition before calling gimplify_expr.
713 2006-03-31 Bob Wilson <bob.wilson@acm.org>
715 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
716 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
717 the frame size. Update to use the new macros.
718 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
719 * config/xtensa/ieee754-df.S: Likewise.
721 2006-03-31 Richard Henderson <rth@redhat.com>
723 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
724 (make_edges): ... here. Control fallthru creation with a local
725 variable. Do not play with fake edges.
726 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
727 (make_goto_expr_edges): Don't play with fake edges. Make for_call
730 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
732 * dwarf2.h (DW64_CIE_ID): Define.
733 * dwarf2out.c (DWARF_CIE_ID): Define.
734 (output_call_frame_info): Output 0xffffffff before standard 8-byte
735 length header. Use DWARF_CIE_ID.
736 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
737 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
739 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
741 * config/sh/linux-atomic.asm: New file.
742 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
744 2006-03-31 DJ Delorie <dj@redhat.com>
746 * config/m32c/cond.md: Set condition flags properly throughout.
747 * config/m32c/minmax.md: Likewise.
748 * config/m32c/prologue.md: Likewise.
749 * config/m32c/bitops.md: Likewise.
750 * config/m32c/muldiv.md: Likewise.
751 * config/m32c/mov.md: Likewise.
752 * config/m32c/addsub.md: Likewise.
753 * config/m32c/m32c.md: Likewise.
754 * config/m32c/jump.md: Likewise.
755 * config/m32c/shift.md: Likewise.
757 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
758 conditionally output the pattern for this.
759 * config/m32c/m32c.c (flags_needed_for_conditional): New.
760 (m32c_compare_redundant): New.
761 (m32c_output_compare): New.
762 * config/m32c/m32c-protos.h (m32c_output_compare): New.
764 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
765 dest, not src. Allow other 4-byte modes.
767 2006-03-30 Denis Chertykov <denisc@overta.ru>
769 * doc/md.texi: Refer to avr/constraints.md instead of
772 2006-03-30 Roger Sayle <roger@eyesopen.com>
774 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
775 signed vs. unsigned comparison failures on some hosts.
777 2006-03-31 Alan Modra <amodra@bigpond.net.au>
780 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
781 change to FLOAT_REGS.
783 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
784 (rs6000_override_options): Use it.
785 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
786 only for -mabi=spe/no-spe and -mabi=altivec.
788 2006-03-30 Geoffrey Keating <geoffk@apple.com>
790 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
793 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
795 * Makefile.in: Rename docdir to gcc_docdir.
797 2006-03-30 Roger Sayle <roger@eyesopen.com>
800 * expr.c (emit_group_store): Optimize group stores into a pseudo
801 register by using a paradoxical subreg to initialize the destination
802 if the first or last member of the group specifies a "low part".
804 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
807 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
808 * target.h (struct gcc_target.speculate_insn): Change type of the
809 second parameter to 'int'.
810 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
811 the second operand of the DEPS_LIST.
812 (copy_DEPS_LIST_list): Update reference to the second operand of the
814 * rtl.h (alloc_DEPS_LIST): Update signature.
815 * sched-int.h (ds_t): Change typedef to 'int'.
816 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
818 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
820 * haifa-sched.c (try_ready): Change condition to restore
821 non-speculative pattern of the instruction.
822 (process_insn_depend_be_in_spec): Code to keep probability of the
823 speculative dependence non-decreasing.
825 2006-03-30 Jie Zhang <jie.zhang@analog.com>
827 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
828 (single_move_for_movmem): ... this. Also change all uses.
829 (bfin_expand_strmov): Renamed to...
830 (bfin_expand_movmem): ... this. Also change all uses.
831 * config/bfin/bfin.md (movstrsi): Renamed to...
834 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
836 PR tree-optimization/26830
838 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
839 (copy_prop_visit_stmt): Remove write-only variable ann.
840 (init_copy_prop): Check variable loop depth here. Do not simulate
841 memory-tag and virtual operand PHIs except for store copy prop.
843 2006-03-30 Richard Guenther <rguenther@suse.de>
845 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
846 variants with double arguments.
848 2006-03-29 David Edelsohn <edelsohn@gnu.org>
850 * genpreds.c (write_tm_constrs_h): Delete variable p.
851 * genconditions.c (write_header): Add tm-constrs.h to included
853 * genpeep.c (main): Add toplev.h to included headers.
854 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
855 (build/genpeep.o): Add toplev.h dependency.
856 * config/rs6000/constraints.md: Add "W" constraint.
858 2006-03-29 Roger Sayle <roger@eyesopen.com>
860 * stor-layout.c (mode_for_size_tree): Remove restiction on type
861 sizes by correctly testing whether the size fits a host integer.
862 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
863 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
864 SImode range for the default sizetype and bitsizetype.
866 2006-03-29 Roger Sayle <roger@eyesopen.com>
868 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
869 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
870 quickly if the argument is already of the correct type.
871 Call fold_build1 instead of build1. Tidy up blank lines.
873 2006-03-29 David Edelsohn <edelsohn@gnu.org>
875 * genemit.c (main): Add tm-constrs.h to included headers.
876 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
877 * genpeep.c (main): Add tm-constrs.h to included headers.
878 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
879 (write_tm_constrs_h): this and write complete file.
880 (write_tm_preds_h): Do not emit satisfies_constraint fns.
881 (write_insn_preds_c): Add tm-constrs.h to included headers.
882 (gen_constrs): New variable.
883 (parse_option): Parse "-c".
884 (main): Invoke write_tm_constrs_h.
885 * genrecog.c (write_header): Add tm-constrs.h to included headers.
886 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
887 (object_out_file): Add tm-constrs.h dependency.
889 (insn-output.o): Same.
891 (insn-preds.o): Same.
892 (insn-recog.o): Same.
893 (tm-constsr.h): New target.
894 (s-constrs-h): New target.
896 * config/rs6000/constraints.md: New file.
897 * config/rs6000/rs6000.c: Include tm-constrs.h.
898 (num_insn_constant_wide): Convert to satisfies_constraint.
899 (rs6000_rtx_costs): Convert to satisfies_constraint.
900 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
901 (CONST_OK_FOR_LETTER_P): Delete.
902 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
903 (EXTRA_CONSTRAINT): Delete.
904 (EXTRA_MEMORY_CONSTRAINT): Delete.
905 (EXTRA_ADDRESS_CONSTRAINT): Delete.
906 * config/rs6000/predicates.md: Convert to satisfies_constraint.
907 * config/rs6000/rs6000.md: Include constraints.md. Convert to
908 satisfies_constraint.
910 * config/i386/i386.c: Include tm-constrs.h.
912 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
914 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
915 * tree-data-ref.c (find_data_references_in_loop,
916 compute_data_dependences_for_loop): Use pointers to VEC.
917 (analyze_all_data_dependences): Adjust calls.
918 * tree-data-ref.h (find_data_references_in_loop,
919 compute_data_dependences_for_loop): Adjust declarations.
920 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
921 compute_data_dependences_for_loop.
923 2006-03-29 Paul Brook <paul@codesourcery.com>
925 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
928 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
930 PR tree-optimization/26859
931 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
933 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
934 for the step after fold_convert.
936 2006-03-29 Paul Brook <paul@codesourcery.com>
938 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
939 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
941 2006-03-29 Paul Brook <paul@codesourcery.com>
944 * targhooks.c (default_narrow_bitfield): New fuction.
945 * targhooks.h (default_narrow_bitfield): add prototype.
946 * target.h (gcc_target): Add narrow_volatile_bitfield.
947 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
948 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
949 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
950 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
952 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
954 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
956 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
957 (NR_C_MODES): Add TDmode, DDmode and SDmode.
958 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
959 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
960 (s390_function_arg_float): Allow SDmode and DDmode values to be
961 passed in floating point registers.
962 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
963 check with SCALAR_FLOAT_MODE_P.
964 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
966 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
968 PR tree-optimization/25985
969 * tree-ssa-loop-niter.c (number_of_iterations_le,
970 number_of_iterations_ne): Make comments more precise.
971 (number_of_iterations_cond): Add only_exit argument. Use the
972 fact that signed variables do not overflow only when only_exit
974 (loop_only_exit_p): New.
975 (number_of_iterations_exit): Pass result of loop_only_exit_p to
976 number_of_iterations_cond.
978 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
980 PR tree-optimization/26643
981 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
984 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
986 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
987 (divsi3_i4_int): Likewise.
989 2006-03-28 Roger Sayle <roger@eyesopen.com>
991 * expr.c (emit_group_store): Only create a new pseudo reg if the
992 quantity it needs to hold isn't already a suitable pseudo.
994 2006-03-28 Jeff Law <law@redhat.com>
996 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
997 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
999 2006-03-28 Roger Sayle <roger@eyesopen.com>
1001 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1002 the equivalent ~X & Y, and the symmetry related transformations.
1003 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1004 ~X & Y, and symmetry related transforms.
1006 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1008 Revert my 2006-03-27 patches.
1010 2006-03-28 Roger Sayle <roger@eyesopen.com>
1012 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1013 ~(T1)X, when T1 and T2 are integer types of the same precision
1014 and (T2)X isn't an extension.
1016 2006-03-28 Jeff Law <law@redhat.com>
1018 PR tree-optimization/26796
1019 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1020 need EH edge cleanups rather than purging them immediately.
1021 (eliminate_degenerate_phis): Handle queued EH cleanups.
1023 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1025 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1028 2006-03-27 Roger Sayle <roger@eyesopen.com>
1031 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1032 cast BIT_NOT_EXPR operand to the correct type.
1034 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1036 * tree-loop-linear.c: Don't include varray.h.
1037 (gather_interchange_stats, try_interchange_loops,
1038 linear_transform_loops): Use VEC instead of VARRAY.
1039 * lambda-mat.c: Don't include varray.h.
1040 * tree-chrec.c: Same.
1041 * lambda-trans.c: Same.
1042 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1043 VEC instead of VARRAY.
1044 * tree-vectorizer.h: Idem.
1045 * tree-data-ref.c (dump_data_references,
1046 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1047 initialize_data_dependence_relation, finalize_ddr_dependent,
1048 compute_all_dependences, find_data_references_in_loop,
1049 compute_data_dependences_for_loop, analyze_all_data_dependences,
1050 free_dependence_relation, free_dependence_relations,
1051 free_data_refs): Idem.
1052 * tree-data-ref.h (data_reference_p, subscript_p): New.
1053 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1054 VEC instead of VARRAY.
1055 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1056 (find_data_references_in_loop, compute_data_dependences_for_loop,
1057 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1058 dump_data_dependence_relations, free_dependence_relations,
1059 free_data_refs): Adjust declaration.
1060 (lambda_transform_legal_p): Move declaration here...
1061 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1062 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1063 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1064 vect_analyze_data_refs): Use VEC instead of VARRAY.
1065 * lambda.h (lambda_transform_legal_p): ...from here.
1066 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1067 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1068 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1069 tree-chrec.o): Don't depend on VARRAY_H.
1071 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1073 * rtl.def (Copyright): Update date.
1074 (DEPS_LIST): Change type of the second operand to 'int'.
1075 * target.h (Copyright): Update date.
1076 (struct gcc_target.speculate_insn): Change type of the second parameter
1078 * lists.c (Copyright): Update date.
1079 (alloc_DEPS_LIST): Change signature. Update reference to the second
1080 operand of the DEPS_LIST.
1081 (copy_DEPS_LIST_list): Update reference to the second operand of the
1083 * rtl.h (Copyright): Update date.
1084 (alloc_DEPS_LIST): Update signature.
1085 * sched-int.h (Copyright): Update date.
1086 (ds_t): Change typedef to 'int'.
1087 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1089 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1091 * haifa-sched.c (Copyright): Update date.
1092 (try_ready): Change condition to restore non-speculative pattern
1094 (process_insn_depend_be_in_spec): Code to keep probability of the
1095 speculative dependence non-decreasing.
1097 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1099 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1100 shut up the compiler.
1102 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1104 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1105 to use lib prefix for target.
1106 ($(T)libic_invalidate_array_4-200.a): Likewise.
1107 ($(T)libic_invalidate_array_4a.a): Likewise.
1109 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1110 J"orn Rennecke <joern.rennecke@st.com>
1112 * superh.opt: New file.
1113 * sh.c (boardtype, osruntime): Remove.
1114 * superh.h (SUBTARGET_OPTIONS): Remove.
1115 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1117 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1118 arguments with ^ and/or [].
1120 * config.gcc (sh-*-*): Add quoting to account for quirk of
1122 Replace == with = in enable_incomplete_targets test.
1124 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1125 with MASK_LITTLE_ENDIAN.
1127 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1128 * config/sh/sh.opt: Added to some comments.
1129 * config/sh/superh.h: Removed some chaff.
1131 * config/sh/sh.opt: Add m4-[1234]00* options.
1132 * config/sh/sh.c (sh_handle_option): Likewise.
1133 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1134 (ic_invalidate_array_4-100.o): New rule.
1135 ($(T)libic_invalidate_array_4-100.a): Likewise.
1136 (ic_invalidate_array_4-200.o): Likewise.
1137 ($(T)libic_invalidate_array_4-200.a): Likewise.
1138 (ic_invalidate_array_4a.o): Likewise.
1139 ($(T)libic_invalidate_array_4a.a): Likewise.
1140 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1141 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1143 * config/sh/crt1.asm: Merged in profiling code.
1144 * config/sh/superh.h (STARTFILE_SPEC): Override.
1145 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1146 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1147 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1149 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1150 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1151 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1153 * sh.opt (mpretend-cmove): New option.
1154 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1155 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1156 (movsicc): Add TARGET_PRETEND_CMOVE code.
1158 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1160 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1161 s390_class_max_nregs): New function prototypes.
1162 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1163 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1164 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1165 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1167 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1169 * dwarf2out.c (add_location_or_const_value_attribute): Call
1170 tree_add_const_value_attribute if nothing else works.
1171 (reference_to_unused): New.
1172 (rtl_for_decl_init): Use reference_to_unused to decide whether
1173 to output an initializer.
1175 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1178 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1179 peephole removing spe frob_di_df_2.
1181 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1183 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1184 (subscript_dependence_tester_1): Declared.
1185 (print_dir_vectors, print_dist_vectors): New.
1186 (debug_data_dependence_relation): New.
1187 (dump_data_dependence_relation): Print more details.
1188 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1189 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1190 (save_dist_v, save_dir_v, add_outer_distances,
1191 build_classic_dist_vector_1): New.
1192 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1193 Don't test for lambda_vector_lexico_pos.
1194 (same_access_functions, add_multivariate_self_dist,
1195 add_other_self_distances, dir_from_dist): New.
1196 (build_classic_dir_vector): Replace implementation almost identical to
1197 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1199 (subscript_dependence_tester_1): New.
1200 (subscript_dependence_tester): Handle the lexicographically negative
1201 distance vectors by recomputing the dependence relation.
1202 (compute_affine_dependence): Remove parameter loop_nest_depth.
1203 (compute_self_dependence): Don't call compute_subscript_distance.
1204 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1205 Add a parameter for the loop_nest.
1206 (find_loop_nest_1, find_loop_nest): New.
1207 (compute_data_dependences_for_loop): Compute the loop nest, and give
1208 up if the nest is not well formed.
1209 * tree-data-ref.h (loop_p): New.
1210 (struct data_dependence_relation): Replace size_vect field with
1211 loop_nest, a vec of loops.
1212 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1213 (DDR_LOOP_NEST): New.
1214 (print_dir_vectors, print_dist_vectors,
1215 debug_data_dependence_relation): Declared.
1216 (index_in_loop_nest): New.
1217 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1218 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1221 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1223 * simplify-rtx.c (simplify_relational_operation): Call
1224 simplify_relational_operation_1 even if mode is VOIDmode.
1226 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1228 PR tree-optimization/26804
1229 * tree.h (DECL_CALL_CLOBBERED): New macro.
1230 (tree_decl_common): Add call_clobbered_flag.
1231 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1232 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1233 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1234 (mark_non_addressable): Ditto.
1235 * tree-ssa.c (verify_call_clobbered): New function.
1236 (verify_alias_info): Use it.
1237 * tree-pass.h (pass_reset_cc_flags): New prototype.
1238 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1239 (reset_cc_flags): New function.
1240 * passes.c (init_optimization_passes): Call reset_cc_flags after
1241 initializing referenced_vars.
1243 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1244 Roger Sayle <roger@eyesopen.com>
1247 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1248 to 1.0 for non-real operands. Implement A / A optimization for
1251 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1253 * config/i386/i386.c (size_cost): Correct the comment for
1254 cost of storing fp registers.
1255 (i386_cost): Likewise.
1256 (i486_cost): Likewise.
1257 (pentium_cost): Likewise.
1258 (pentiumpro_cost): Likewise.
1259 (k6_cost): Likewise.
1260 (athlon_cost): Likewise.
1261 (k8_cost): Likewise.
1262 (pentium4_cost): Likewise.
1263 (nocona_cost): Likewise.
1264 (generic64_cost): Likewise.
1265 (generic32_cost): Likewise.
1267 2006-03-24 Denis Chertykov <denisc@overta.ru>
1269 * config/avr/avr-protos.h (extra_constraint): Delete.
1270 (extra_constraint_Q): New declaration.
1271 * config/avr/constraints.md: New file.
1272 * config/avr/avr.md: Include it.
1273 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1274 (TMP_REGNO, ZERO_REGNO): Likewise.
1275 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1276 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1277 (extra_constraint): Delete.
1278 (extra_constraint_Q): Test for memory constraint 'Q'.
1279 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1280 (REG_CLASS_FROM_LETTER): Delete.
1281 (CONST_OK_FOR_LETTER_P): Delete.
1282 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1283 (EXTRA_CONSTRAINT): Delete.
1284 (TMP_REGNO): Delete.
1285 (ZERO_REGNO): Delete.
1287 2006-03-24 Jeff Law <law@redhat.com>
1289 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1290 directly. Call mark_new_vars_to_rename slightly earlier.
1292 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1294 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1296 (gen_compile_unit_die): Use new language types for Objective-C and
1298 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1299 DW_LANG_C_plus_plus.
1302 * config/t-darwin (crt3.o): Work around bug 26840.
1303 * config/darwin-crt3.c: Rewrite.
1304 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1306 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1308 * doc/invoke.texi: Document -femit-class-debug-always
1309 * common.opt: Add -femit-class-debug-always.
1311 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1313 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1314 index and base register.
1315 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1316 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1317 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1318 REGNO_OK_FOR_INDEX_P.
1319 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1321 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1322 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1323 REG_OK_FOR_BASE_P): Definitions removed.
1325 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1328 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1329 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1330 set yet or weren't marked as local yet.
1332 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1334 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1337 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1339 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1340 (rs6000_legitimate_small_data_p): Delete.
1341 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1342 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1343 and make static. Add forward declaration. Update uses.
1344 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1345 of offsettable_memref_p.
1346 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1347 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1349 2006-03-24 Jeff Law <law@redhat.com>
1351 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1352 around bug in immediate-use iterator.
1354 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1357 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1358 or __LITTLE_ENDIAN__.
1360 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1362 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1363 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1364 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1365 * config/sh/sh.opt (mdiv=): Amend description.
1366 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1367 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1368 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1369 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1370 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1371 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1372 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1373 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1374 TARGET_DIVIDE_CALL_FP.
1376 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1378 * haifa-sched.c (choose_ready): Fix type of the local variable.
1379 Move local variables. Add comment.
1380 (check_reg_live): Change signature. Make callable from debugger.
1381 * sched-int.h (check_reg_live): Update signature.
1382 * sched-ebb.c (check_reg_live): Update parameters.
1383 * sched-rgn.c (check_reg_live): Ditto.
1384 (region_head_or_leaf_p): Check pointer before dereferencing.
1385 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1386 before reload on optimization levels below 1.
1388 2006-03-23 Richard Henderson <rth@redhat.com>
1390 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1394 * config/alpha/predicates.md (local_symbolic_operand): Reject
1397 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1400 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1401 expressions which have overflowed constants.
1403 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1405 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1407 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1409 * cfgloopmanip.c (create_loop_notes): Removed.
1410 * final.c (final_scan_insn): Do not handle loop notes.
1411 * jump.c (squeeze_notes): Ditto.
1412 * cfglayout.c (skip_insns_after_block,
1413 duplicate_insn_chain): Ditto.
1414 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1416 * cfgloop.h (create_loop_notes): Declaration removed.
1418 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1420 * varasm.c (output_constant_pool): Restore fnname and fndecl
1422 (assemble_start_function): Adjust call accordingly.
1423 (assemble_end_function): Likewise.
1425 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1428 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1431 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1433 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1436 * system.h (ICE_EXIT_CODE): New macro.
1437 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1438 (diagnostic_action_after_output): Likewise.
1439 * gcc.c (fatal_ice): New function.
1440 (execute): Use it instead of fatal.
1441 (fancy_abort): Likewise.
1442 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1444 2006-03-22 Jeff Law <law@redhat.com>
1446 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1447 iv_analyze_result returning false.
1449 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1451 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1453 2006-03-22 Richard Henderson <rth@redhat.com>
1456 * except.c (duplicate_eh_regions_0): New.
1457 (duplicate_eh_region_1): Duplicate the children of the node as
1458 well as the node itself. Link them up properly.
1459 (duplicate_eh_region_2): Merge into ...
1460 (duplicate_eh_regions): ... here. Take copy_region argument, and
1461 copy only a sub-tree if asked. Simplify copying and fixup.
1462 (eh_region_outer_p): New.
1463 * except.h (duplicate_eh_regions): Update decl.
1464 (eh_region_outer_p): Declare.
1465 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1466 (lower_omp_master): Likewise.
1467 (lower_omp_ordered): Likewise.
1468 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1469 (move_stmt_r): Use it to remap labels. Handle recursion vs
1470 remap_decls_p properly.
1471 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1472 (find_outermost_region_in_block): New.
1473 (new_label_mapper): New.
1474 (move_sese_region_to_fn): Copy eh information to the new function
1476 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1478 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1481 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1483 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1484 into shared libraries.
1486 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1488 * doc/md.texi: Refer to i386/constraints.md instead of
1490 * config/i386/constraints.md: New file, extracted from...
1491 * config/i386/predicates.md: ...here.
1492 * config/i386/i386.md: Include constraints.md.
1494 2006-03-21 Jason Merrill <jason@redhat.com>
1496 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1499 * expr.c (init_block_move_fn): Force default visibility.
1500 (init_block_clear_fn): Likewise.
1501 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1502 * targhooks.c (default_external_stack_protect_fail): Likewise.
1504 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1506 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1507 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1508 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1509 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1510 (loadgp): Use mips_current_loadgp_style.
1511 (loadgp_noshared): New pattern.
1512 (sibcall_internal): Use MIPS_CALL.
1513 (sibcall_value_internal): Likewise.
1514 (sibcall_value_multiple_internal): Likewise.
1515 (call_internal): Likewise.
1516 (call_value_internal): Likewise.
1517 (call_value_multiple_internal): Likewise.
1518 (call_split): Use MIPS_CALL and add an 'S' constraint.
1519 (call_value_split): Likewise.
1520 (call_value_multiple_split): Likewise.
1521 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1522 (-mshared): New option.
1523 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1524 (mips_current_loadgp_style): Declare.
1525 * config/mips/mips.c (mips_classify_symbol): Avoid using
1526 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1527 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1528 TARGET_ABSOLUTE_ABICALLS.
1529 (override_options): Adjust comments. Improve the warning that is
1530 issued when -mabicalls and -G are used together.
1531 (mips_file_start): Remove comment.
1532 (mips_current_loadgp_style): New function.
1533 (mips_gnu_local_gp): New variable.
1534 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1536 (mips_output_function_prologue): Use mips_current_laodgp_style.
1537 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1538 the cprestore instruction.
1539 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1540 live for TARGET_ABSOLUTE_ABICALLS.
1541 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1542 (ASM_SPEC): Pass down -mshared and -mno-shared.
1543 (MIPS_CALL): New macro.
1544 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1546 * doc/invoke.texi (-mabicalls): Update documentation.
1547 (-mshared): Document.
1549 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1551 * config/ia64/unwind-hpux.c: New file.
1552 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1554 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1557 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1559 2006-03-21 Jeff Law <law@redhat.com>
1561 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1562 type conversions of a VR_VARYING source to a wider type.
1564 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1566 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1567 tm_file on Solaris 10 and later.
1568 (sparc64-*-solaris2*): Likewise.
1569 (sparc-*-solaris2*): Likewise.
1570 * config/sol26.h: Rename to config/sol2-6.h.
1571 * config/sol2-10.h: New file.
1573 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1576 * tree-ssa-pre.c (create_component_ref_by_pieces):
1579 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1582 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1583 return it immediately.
1585 2006-03-21 Michael Matz <matz@suse.de>
1587 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1589 (remove_arc, add_arc): Update num_out_arcs member.
1590 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1592 (cache_presence): New function.
1593 (compare_states_for_equiv): New function.
1594 (state_is_differed): Don't take number of outargs, adjust callers.
1595 Use new invariant for speeding up.
1596 (init_equiv_class): Create initial classes based on sorted
1598 (partition_equiv_class): Don't track out_arcs_num.
1599 (evaluate_equiv_classes): Call cache_presence on all states and
1602 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1604 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1605 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1606 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1607 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1609 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1610 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1611 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1612 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1613 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1615 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1616 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1617 (REGNO_REG_CLASS): ARGP is in PREGS.
1618 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1620 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1621 to deal with those addresses.
1622 * addresses.h: New file.
1623 * caller-save.c: Include "addresses.h".
1624 (init_caller_save): Use new base_reg_class function.
1625 * rtl-factoring.c: Include "addresses.h".
1626 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1627 * recog.c: Include "addresses.h".
1628 (preprocess_constraints): Use new base_reg_class function.
1629 * regrename.c: Include "addresses.h".
1630 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1631 functions. Keep track of a new var INDEX_CODE to compute valid
1633 (replace_oldest_value_addr): Likewise.
1634 (replace_oldest_value_mem): Use base_reg_class.
1635 * reload.c: Include "addresses.h".
1636 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1637 (find_reloads): Use new base_reg_class function.
1638 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1639 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1640 all callers and prototype changed.
1641 * reload1.c: Include "addresses.h".
1642 (maybe_fix_stack_asms): Use base_reg_class.
1643 * regclass.c: Include "addresses.h".
1644 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1645 (init_reg_autoinc): Use new base_reg_class function.
1646 (record_reg_classes): Likewise.
1647 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1648 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1649 Use new args to compute necessary class.
1651 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1652 regrename.o, rtl-factoring.o): Update dependencies.
1653 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1654 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1655 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1656 REG_OK_FOR_INDEX_P): Delete documentation.
1658 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1660 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1661 from V7 to V9 for Solaris 7 and above.
1663 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1665 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1666 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1667 argument pointers may not alias any other storage.
1668 * common.opt: Define option -fargument-noalias-anything.
1669 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1670 alias semantics is specified by flag_argument_noalias > 2.
1672 2006-03-20 Jeff Law <law@redhat.com>
1674 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1675 (pass_phi_only_cprop): Declare.
1676 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1678 * tree-ssa-dom.c (degenerate_phi_result): New function.
1679 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1680 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1681 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1682 (eliminate_degenerate_phis): Likewise.
1683 (pass_phi_only_cprop): New pass descriptor.
1684 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1685 support code. Callers updated.
1686 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1687 (store_copy_prop): Likewise.
1688 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1690 2006-03-20 Jason Merrill <jason@redhat.com>
1693 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1694 (push_visibility, pop_visibility): Likewise.
1695 * c-pragma.h: Declare them.
1697 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1699 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1701 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1702 parameter and use get_ebb_head_tail.
1703 (sh_md_init_global): Adjust uses of find_regmode_weight.
1705 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1707 * function.h (struct function) <x_tail_recursion_reentry>:
1708 Rename to x_stack_check_probe_note.
1709 (tail_recursion_reentry): Rename to stack_check_probe_note.
1710 * function.c: Replace tail_recursion_reentry with
1711 stack_check_probe_note everywhere.
1712 (expand_function_start): Only emit a note for
1713 stack_check_probe_note with -fstack-protect.
1714 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1716 * emit-rtl.c (remove_unnecessary_notes): Remove.
1717 (pass_remove_unnecessary_notes): Remove.
1718 * rtl.h (remove_unnecessary_notes): Remove prototype.
1719 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1720 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1721 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1723 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1726 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1727 (valid_in_set): Handle ARRAY_REF.
1728 Change "if min_variant or VH" to asserts.
1729 (create_component_ref_by_pieces): Handle ARRAY_REF.
1730 (create_expression_by_pieces): Likewise.
1731 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1733 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1735 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1736 is operand of switch, not str[0].
1738 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1740 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1741 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1743 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1745 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1746 end of insn_extra_address_constraint declaration.
1748 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1750 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1751 (no-sum-in-toc): Same.
1752 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1754 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1755 NO_FP_IN_TOC for -fPIC instead of mask.
1757 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1758 (BOOT_LDFLAGS): Delete.
1760 * config/rs6000/t-aix52: Same.
1762 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1763 (stmsi[345678]_power): New.
1765 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1767 * config/ia64/ia64.opt: Add empty line to end of file.
1769 2006-03-17 Richard Guenther <rguenther@suse.de>
1772 * builtins.c (get_pointer_alignment): For component style references
1773 adjust alignment to the component type alignment. Make sure
1774 to adjust alignment for component access of constants.
1776 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1778 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1781 2006-03-17 Paul Brook <paul@codesourcery.com>
1783 * doc/install.texi: Docuemnt --with-mode.
1784 * config.gcc: Add --with-mode for arm*-*-*.
1785 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1787 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1789 * sh.c (max_labelno_before_reorg): New variable.
1790 (sh_reorg): Initialize it.
1791 (find_barrier): Check max_labelno_before_reorg before using
1792 label_to_alignment. Take length of explicit alignment insns
1793 into account. When seeing a UNSPECV_CONST_END, return it.
1795 * sh.c (fixup_mova): Set mode of affected label to QImode.
1796 (untangle_mova): New function.
1797 (find_barrier): Use it. Check mode of label before decrementing
1799 (sh_reorg): Likewise.
1800 Set mode of all insns back to VOIDmode.
1802 * sh.c (MOVA_LABELREF): New macro.
1803 (mova_p, fixup_mova, sh_reorg): Use it.
1804 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1805 ADDR_DIFF_VEC matches mova.
1807 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1809 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1810 with ATTRIBUTE_UNUSED.
1812 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1814 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1815 pointer, instead of assuming it is possible to derive the
1816 correct args size from a call insn.
1818 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1820 * rtl.h (CONST_INT_P): Define.
1821 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1822 instead of GET_CODE(x) == CONST_INT.
1823 (vax_rtx_costs): Likewise.
1824 (vax_output_int_move): Likewise.
1825 (vax_output_int_add): Likewise.
1826 (legitimate_constant_address_p): Likewise.
1827 (index_term_p): Likewise.
1828 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1829 * config/vax/vax.md (and<mode>3): Likewise.
1830 (ashrsi3): Likewise.
1832 (movstricthi): Likewise.
1833 (movstrictqi): Likewise.
1834 (rotrsi3): Likewise.
1835 (five unnamed insns): Likewise.
1837 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1839 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1840 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1841 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1842 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1843 Pass to ASM_OUTPUT_DWARF_OFFSET.
1844 * dwarf2out.c (debug_frame_section): New.
1845 (output_call_frame_info): Use debug_frame_section. Pass it to
1846 dw2_asm_output_offset.
1847 (output_die): Pass appropriate section to dw2_asm_output_offset.
1848 (output_compilation_unit_header): Likewise.
1849 (output_pubnames): Likewise.
1850 (output_aranges): Likewise.
1851 (enum dw_val_class): Break dw_val_class_lbl_offset into
1852 dw_val_class_lineptr and dw_val_class_macptr.
1853 (add_AT_lbl_offset): Delete.
1854 (add_AT_lineptr): New.
1855 (add_AT_macptr): New.
1856 (AT_lbl): Expect a lineptr or macptr.
1857 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1858 (attr_checksum): Likewise.
1859 (same_dw_val_p): Likewise.
1860 (size_of_die): Likewise.
1861 (value_format): Likewise.
1862 (output_die): Likewise.
1863 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1865 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1866 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1867 * config/darwin-protos.h (darwin_file_start): New.
1868 (darwin_asm_output_dwarf_offset): New.
1869 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1870 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1872 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1873 if not EH section; simplify.
1874 (darwin_file_start): New.
1875 (darwin_asm_output_dwarf_offset): New.
1876 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1878 (DEBUG_INFO_SECTION): Likewise.
1879 (DEBUG_ABBREV_SECTION): Likewise.
1880 (DEBUG_ARANGES_SECTION): Likewise.
1881 (DEBUG_MACINFO_SECTION): Likewise.
1882 (DEBUG_LINE_SECTION): Likewise.
1883 (DEBUG_LOC_SECTION): Likewise.
1884 (DEBUG_PUBNAMES_SECTION): Likewise.
1885 (DEBUG_STR_SECTION): Likewise.
1886 (DEBUG_RANGES_SECTION): Likewise.
1887 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1888 (ASM_OUTPUT_DWARF_OFFSET): New.
1890 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1892 * config.gcc (tm_defines): Always add to previous value rather
1895 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1897 * config/mips/predicates.md (splittable_const_int_operand): New,
1898 split from move_operand.
1899 (splittable_symbolic_operand): New.
1900 (move_operand): Add commentary. Use splittable_const_int_operand.
1901 Inline mips_atomic_symbolic_constant_p.
1902 * config/mips/mips.md: Add combine splitters for handling moves
1903 of splittable_const_int_operands and splittable_symbolic_operands.
1904 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1905 (mips_split_symbol): Declare.
1906 (mips_move_integer): Declare.
1907 * config/mips/mips.c (mips_split_p): Make global.
1908 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1909 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1910 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1911 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1912 (mips_offset_within_object_p): Handle block symbols.
1913 (mips_atomic_symbolic_constant_p): Delete.
1914 (mips_cannot_force_const_mem): Return false for constants that
1915 mips_legitimize_move can handle.
1916 (mips_use_blocks_for_constant_p): New function.
1917 (mips_split_symbol): Make global.
1918 (mips_move_integer): Likewise. Add a temporary register argument.
1919 (mips_legitimize_const_move): Use splittable_const_int_operand and
1920 splittable_symbolic_operand.
1921 (mips_use_anchors_for_symbol_p): New function.
1922 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1923 (mips_split_p): Declare.
1925 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1927 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1928 (mips*-*-linux*): Likewise.
1930 2006-03-16 Roger Sayle <roger@eyesopen.com>
1931 Daniel Speyer <dspeyer@wam.umd.edu>
1934 * tree-dump.c (dump_real): New function.
1935 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1936 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1937 (tree-dump.o): Add $(REAL_H) to the dependencies.
1939 2006-03-16 Roger Sayle <roger@eyesopen.com>
1942 * real.c (real_from_string): If the mantissa is zero, don't bother
1943 parsing the exponent as the result should always be zero.
1945 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1947 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1949 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1951 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1952 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1953 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1954 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1955 ia64_sched_finish_global): New static functions to implement
1956 hooks from gcc_target.sched.
1957 (spec_check_no, max_uid, pending_data_specs): New static variables.
1958 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1959 ia64_spec_check_src_p): New static functions.
1960 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1961 (TARGET_SCHED_ADJUST_COST): Removed.
1962 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1963 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1964 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1965 TARGET_SCHED_GEN_CHECK,
1966 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1967 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1968 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1969 Fixed to handle speculation checks.
1970 (rtx_needs_barrier): Fixed to handle speculative loads and
1972 (ia64_variable_issue): Added code to count speculative loads and their
1974 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1976 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1978 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1980 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1981 (ia64_reorg): Reset stops_p to NULL after it is freed.
1982 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1983 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1984 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1986 (data_speculative, control_speculative, check_load): New attributes.
1987 (mov<mode>_advanced, mov<mode>_speculative,
1988 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1989 zero_extend<mode>di2_speculative,
1990 zero_extend<mode>di2_speculative_advanced): New patterns for
1991 data and control speculative loads.
1992 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1994 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1995 New pattern for data and control speculation checks.
1996 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1997 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1998 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1999 Auxiliary definitions for the patterns.
2000 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2001 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2003 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2005 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2006 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2007 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2008 New resource constraints.
2009 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2011 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2012 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2013 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2014 msched-in-control-spec, msched-ldc, msched-control-ldc,
2015 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2016 msched-prefer-non-control-spec-insns,
2017 msched-count-spec-in-critical-path): New flags to tune speculative
2019 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2020 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2021 msched-in-control-spec, msched-ldc, msched-control-ldc,
2022 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2023 msched-prefer-non-control-spec-insns,
2024 msched-count-spec-in-critical-path): Document new flags.
2026 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2028 * target.h (struct spec_info_def): New opaque declaration.
2029 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2030 speculate_insn, needs_block_p, gen_check,
2031 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2032 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2033 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2034 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2035 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2036 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2038 (TARGET_SCHED): Use new macros.
2039 * rtl.h (copy_DEPS_LIST_list): New prototype.
2040 * sched-int.h (struct sched_info): Change signature of new_ready field,
2041 adjust all initializations. New fields: add_remove_insn,
2042 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2043 region_head_or_leaf_p.
2044 (struct spec_info_def): New structure declaration.
2045 (spec_info_t): New typedef.
2046 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2047 recovery_block, orig_pat.
2048 (glat_start, glat_end): New variables declaraions.
2049 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2051 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2052 DETACH_LIFE_INFO, USE_GLAT.
2053 (enum SPEC_SCHED_FLAGS): New enumeration.
2054 (NOTE_NOTE_BB_P): New macro.
2055 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2056 attach_life_info, debug_spec_status, check_reg_live): New functions.
2057 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2058 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2060 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2061 * ddg.c (get_block_head_tail): Adjust all uses.
2062 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2063 (sms_sched_info): Initialize new fields.
2064 (contributes_to_priority): Removed.
2065 * haifa-sched.c (params.h): New include.
2066 (get_block_head_tail): Adjust all uses.
2067 (ISSUE_POINTS): New macro.
2068 (glat_start, glat_end): New global variables.
2069 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2070 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2071 old_last_basic_block, before_recovery, current_sched_info_var,
2072 rgn_n_insns, luid): New static variables.
2073 (insn_cost1): New function. Move logic from insn_cost to here.
2074 (find_insn_reg_weight1): New function. Move logic from
2075 find_insn_reg_weight to here.
2076 (reemit_notes, move_insn, max_issue): Change signature.
2077 (move_insn1): Removed.
2078 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2079 extend_bb): New static functions to support extension of scheduler's
2081 (generate_recovery_code, process_insn_depend_be_in_spec,
2082 begin_speculative_block, add_to_speculative_block,
2083 init_before_recovery, create_recovery_block, create_check_block_twin,
2084 fix_recovery_deps): New static functions to support
2085 generation of recovery code.
2086 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2087 restore_bb_notes, move_block_after_check, move_succs): New static
2088 functions to support ebb scheduling.
2089 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2090 functions to support handling of register live information.
2091 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2092 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2093 add_jump_dependencies): New static functions.
2094 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2095 consistancy checking.
2096 (debug_spec_status): New function to call from debugger.
2097 (priority): Added code to handle speculation checks.
2098 (rank_for_schedule): Added code to distinguish speculative instructions.
2099 (schedule_insn): Added code to handle speculation checks.
2100 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2101 Fixed to handle ebbs.
2102 (move_insn): Added code to handle ebb scheduling.
2103 (max_issue): Added code to use ISSUE_POINTS of instructions.
2104 (choose_ready): Added code to choose between speculative and
2105 non-speculative instructions.
2106 (schedule_block): Added code to handle ebb scheduling and scheduling of
2107 speculative instructions.
2108 (sched_init): Initialize new variables.
2109 (sched_finish): Free new variables. Print statistics.
2110 (try_ready): Added code to handle speculative instructions.
2111 * lists.c (copy_DEPS_LIST_list): New function.
2112 * sched-deps.c (extend_dependency_caches): New function. Move logic
2113 from create_dependency_caches to here.
2114 (get_dep_weak, ds_merge): Make global.
2115 * genattr.c (main): Code to output prototype for
2116 dfa_clear_single_insn_cache.
2117 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2118 (output_dfa_clean_insn_cache_func): Code to output
2119 dfa_clear_single_insn_cache function.
2120 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2122 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2124 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2125 New static variables.
2126 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2127 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2129 (ebb_sched_info): Initialize new fields.
2130 (get_block_head_tail): Adjust all uses.
2131 (compute_jump_reg_dependencies): Fixed to use glat_start.
2132 (schedule_ebb): Code to remove unreachable last block.
2133 (schedule_ebbs): Added code to update register live information.
2134 * sched-rgn.c (region_sched_info): Initialize new fields.
2135 (get_block_head_tail): Adjust all uses.
2136 (last_was_jump): Removed. Adjust users.
2137 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2138 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2139 Implement new hooks.
2140 (check_dead_notes1): New static function.
2141 (struct region): New fields: dont_calc_deps, has_real_ebb.
2142 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2143 (BB_TO_BLOCK): Fixed to handle EBBs.
2144 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2145 (ebb_head): New static variable.
2146 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2147 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2149 (compute_dom_prob_ps): New assertion.
2150 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2151 global_live_at_start.
2152 (init_ready_list): New assertions.
2153 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2154 (new_ready): Add support for BEGIN_CONTROL speculation.
2155 (schedule_insns): Fixed code that updates register live information
2157 (schedule_region): Fixed to handle EBBs.
2158 (init_regions): Use extend_regions and check_dead_notes1.
2159 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2160 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2161 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2162 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2163 TARGET_SCHED_GEN_CHECK,
2164 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2165 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2166 * doc/invoke.texi (max-sched-insn-conflict-delay,
2167 sched-spec-prob-cutoff): Document.
2169 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2171 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2172 inter_tick, queue_index.
2173 (struct sched_info): Change signature of init_ready_list field.
2174 Adjust all initializations.
2175 (RESOLVED_DEPS): New access macro.
2176 (ready_add): Remove prototype.
2177 (try_ready): Add prototype.
2178 * sched-rgn.c (init_ready_list): Use try_ready.
2179 (schedule_region): Initialize
2180 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2181 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2182 (init_ready_list): Use try_ready.
2183 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2184 * lists.c (remove_list_elem): Remove `static'.
2185 (remove_free_INSN_LIST_elem): New function.
2186 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2187 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2188 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2190 (readyp): New variable.
2191 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2192 change_queue_index, resolve_dep): New static functions.
2193 (try_ready): New function. Adjust callers in sched-rgn.c and
2194 sched-ebb.c to use it instead of ready_add.
2195 (clock_var): Move at the begining of file.
2196 (rank_for_schedule): Fix typo.
2197 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2198 (ready_lastpos): Enforce assertion.
2199 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2201 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2202 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2203 (queue_to_ready): Use free_INSN_LIST_list.
2204 (early_queue_to_ready): Fix typo.
2205 (schedule_block): Init readyp. Move init_ready_list call after the
2206 initialization of clock_var. Fix error in rejecting insn by
2207 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2208 that previously corrected INSN_TICKs. Add code for handling
2210 (set_priorities): Fix typo.
2211 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2212 Clarify comment and code that keeps current_sched_info->next_tail
2215 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2217 * sched-rgn.c (extend_rgns): New static function.
2218 (find_rgns): Use it.
2219 (gather_region_statistics, print_region_statistics): New static
2221 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2222 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2224 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2225 Andrey Belevantsev <abel@ispras.ru>
2227 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2228 * lists.c (unused_deps_list): New variable.
2229 (free_list): Add assertions to verify the proper distinguishing
2230 between INSN_LISTs and DEPS_LISTs.
2231 (find_list_elem, remove_list_elem, remove_list_node): New static
2233 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2234 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2235 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2236 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2238 (free_INSN_LIST_node): Likewise.
2239 * modulo-sched.c (current_sched_info): Initialize flags field.
2240 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2241 * rtl.def (DEPS_LIST): Define.
2242 * rtl.h: Declare new functions from lists.c.
2243 * sched-deps.c (spec_dependency_cache): New static variable.
2244 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2245 (add_dependence): Change return type to void. Move the logic to ...
2246 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2247 (delete_all_dependences): Add comment about forward_dependency_cache.
2248 Handle spec_dependency_cache. Handle DEPS_LISTs.
2249 (fixup_sched_groups): Clarify the change of priority of output
2250 and anti dependencies.
2251 (sched_analyze_2): Adjust add_dependence calls to create data
2252 speculative dependence.
2253 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2254 Adjust all callers. Handle DEPS_LISTS.
2255 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2256 presence of speculation.
2257 (init_dependency_caches, free_dependency_caches):
2258 Handle spec_dependency_cache.
2259 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2260 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2261 New static functions.
2262 (add_or_update_back_dep, add_or_update_back_forw_dep,
2263 add_back_forw_dep, delete_back_forw_dep): New functions.
2264 * sched-int.h (ds_t, dw_t): New typedefs.
2265 (struct sched_info): Add new field flags.
2266 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2267 Prototype new sched-deps.c functions.
2268 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2269 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2270 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2271 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2272 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2273 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2275 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2277 * sched-rgn.c (current_sched_info): Initialize flags field.
2278 (schedule_insns): Initialize current_sched_info before the sched_init
2280 * sched-ebb.c (current_sched_info): Initialize flags field.
2281 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2282 Call add_or_update_back_dep instead of add_dependence.
2283 Create control speculative dependencies.
2284 (schedule_insns): Initialize current_sched_info before the sched_init
2287 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2289 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2291 (sh_fallback_frame_state): Likewise.
2293 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2295 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2296 Do switch on default_use_cxa_atexit.
2297 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2298 * config/darwin-crt3.o: New.
2299 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2300 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2301 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2303 * config/rs6000/t-darwin: Move crt2.o building to here.
2304 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2305 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2308 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2310 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2311 from '! xxx' to '!xxx' for coding-style conformance.
2312 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2313 (EXTRA_CONSTRAINT): Likewise.
2314 * config/vax/vax.md (four unnamed insns): Likewise.
2316 2006-03-15 Paul Brook <paul@codesourcery.com>
2318 * config/arm/arm.c (minipool_pad): New.
2319 (add_minipool_forward_ref): Include pool alignment padding in address
2321 (push_minipool_fix): Set minipool_pad.
2322 (minipool_pad): Ditto.
2324 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2326 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2327 instead of GET_CODE() == MEM and REG_P() instead of
2329 (print_operand_address): Likewise.
2330 (vax_address_cost): Likewise.
2331 (vax_rtx_costs): Likewise.
2332 (vax_notice_update_cc): Likewise.
2333 (vax_output_int_add): Likewise.
2334 (INDEX_REGISTER_P): Likewise.
2335 (BASE_REGISTER_P): Likewise.
2336 (nonindexed_address_p): Likewise.
2337 (vax_mode_dependent_address_p): Likewise.
2338 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2339 (PRINT_OPERAND): Likewise.
2340 * config/vax/vax.md (ashlsi3): Likewise.
2341 (ashlsi3): Likewise.
2342 (some more unnamed insns): Likewise.
2344 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2346 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2347 iterator-style macro.
2348 (mark_control_dependent_edges_necessary): Update the use of
2349 EXECUTE_IF_CONTROL_DEPENDENT.
2351 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2353 * config/sh/predicates.md (cache_address_operand): Special.
2354 (ua_address_operand): Likewise.
2356 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2358 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2360 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2362 2006-03-15 Andreas Schwab <schwab@suse.de>
2364 * gensupport.c (identify_predicable_attribute): Don't free p_false
2365 when it is still in use.
2367 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2369 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2370 the default setting here.
2372 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2374 * tree-pass.h (pass_cfg): Remove.
2375 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2376 * passes.c (pass_cfg): Don't run it.
2378 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2380 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2381 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2383 (stack_regs_mentioned): Update the uses of
2384 stack_regs_mentioned_data. Don't access the array beyond its
2386 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2387 Don't include gt-reg-stack.h.
2389 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2390 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2392 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2395 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2398 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2400 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2402 2006-03-14 Richard Guenther <rguenther@suse.de>
2404 PR tree-optimization/26672
2405 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2408 2006-03-14 Richard Guenther <rguenther@suse.de>
2410 PR tree-optimization/26667
2411 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2412 node for the callees. Always allow inlining if it will shrink
2415 2006-03-14 Richard Guenther <rguenther@suse.de>
2418 * builtins.c (get_pointer_alignment): Prefer alignment
2419 information from decls over that from types.
2421 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2424 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2426 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2428 * config/rs6000/rs6000.opt (mdlmzb): New option.
2429 (msched-prolog, msched-epilog): Use Var not Mask.
2430 * doc/invoke.texi (-mdlmzb): Document.
2431 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2433 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2434 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2436 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2438 PR rtl-optimization/25739
2439 * bt-load.c (augment_live_range): Free tos pointer.
2441 * gensupport.c (identify_predicable_attribute): Free
2443 * gcov.c (create_file_names): Free name pointer.
2445 2006-03-13 Roger Sayle <roger@eyesopen.com>
2448 * stmt.c (emit_case_nodes): Handle the case where the index is a
2449 CONST_INT, where the comparison mode is specified by the index type.
2451 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2453 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2456 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2458 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2459 (*branch_fp_inverted): Likewise.
2461 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2464 * omp-low.c (expand_omp_for_generic): Mark istart0
2465 and iend0 as addressable.
2467 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2469 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2471 2006-03-13 Jeff Law <law@redhat.com>
2473 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2474 virtual operands are interesting.
2475 (vrp_visit_stmt): Corresponding changes.
2477 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2479 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2481 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2482 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2483 * config/bfin/crti.S: Use it instead of __PIC__.
2484 * config/bfin/crtn.S: Likewise.
2486 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2487 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2489 Lose 'G' modifier for call operand.
2490 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2491 recognize 'G' modifier.
2493 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2496 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2497 * stmt.c (expand_case): Likewise.
2499 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2501 PR rtl-optimization/26254
2502 * loop-invariant.c (seq_insns_valid_p): New function.
2503 (move_invariant_reg): Only emit new code if it is valid.
2505 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2507 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2509 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2510 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2511 (commit_one_edge_insertion): Do not look for loop notes.
2513 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2515 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2516 flag_test_coverage out of loop.
2518 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2520 * final.c (shorten_branches): Remove outdated comment, and turn
2521 the if branch that guards it to continue.
2523 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2525 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2526 * cfgloop.h (struct loop): Remove unused fields.
2528 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2530 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2531 (-dL, -fdump-rtl-loop2): Update the dump file names
2533 * doc/invoke.texi: Update dump file names.
2535 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2537 * predict.c (estimate_probability): Remove.
2538 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2539 * basic-block.h (estimate_probability): Remove prototype.
2540 * passes.c (finish_optimization_passes): Dump branch prediction or
2541 profiling heuristics to the .profile tree dump.
2542 (init_optimization_passes): Unqueue pass_branch_prob.
2544 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2546 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2548 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2549 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2551 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2553 * function.h (frame_offset_overflow): Declare.
2554 * function.c (frame_offset_overflow): New function.
2555 (assign_stack_local_1): Call it to detect that the offset overflows.
2556 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2558 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2560 * config/sh/sh.c: Include alloc-pool.h.
2561 (label_ref_list_pool): New alloc pool.
2562 (label_ref_list_t): New type for lists of labels.
2563 (struct pool_node): Make wend a label_ref_list_t.
2564 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2566 (dump_table): Likewise.
2567 (sh_reorg): Set up the alloc pool before using add_constant and
2568 dump_table, and destroy it when finishing.
2570 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2572 * config/mips/mips.c: Remove redundant comment.
2574 2006-03-10 Jason Merrill <jason@redhat.com>
2577 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2578 the target was declared 'register'.
2580 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2582 * genpreds.c (write_insn_constraint_len): Change definition of
2583 insn_constraint_len to return size_t to match the declaration.
2585 2006-03-10 DJ Delorie <dj@redhat.com>
2587 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2589 (m32c_expand_insv): Fix test for an AND mask.
2591 2006-03-10 Richard Guenther <rguenther@suse.de>
2594 * builtins.c (get_pointer_alignment): Handle component
2595 references for field alignment.
2597 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2599 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2600 when building with libgloss.
2601 (sh*elf): Implement --without-fp option.
2602 (sh64-superh-linux*): Don't multilib.
2604 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2606 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2608 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2610 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2611 Set it when one of the replacement functions returned true.
2612 Return TODO_cleanup_cfg if cfgchanged is true.
2613 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2615 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2617 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2618 instead of gen_lowpart.
2620 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2622 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2624 (mips_output_order_conditional_branch): Declare.
2625 * config/mips/mips.h (MIPS_BRANCH): New macro.
2626 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2627 for the comparison. Use gen_condjump.
2628 (mips_output_conditional_branch): Rework interface to take the
2629 asm templates for a direct branch and the inverse of a direct branch.
2630 (mips_output_order_conditional_branch): New function.
2631 (mips_builtin_branch_and_move): New function.
2632 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2633 branch condition. Use gen_single_cc as the condition for
2634 __builtin_mips_upper_* or __builtin_mips_lower_*.
2635 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2636 Use VOIDmode for the branch condition.
2637 * config/mips/predicates.md (order_operator): New predicate.
2638 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2639 (branch_fp): Rename to...
2640 (*branch_fp): ...this. Remove mode from comparison operator.
2641 Use new mips_output_conditional_branch interface.
2642 (branch_fp_inverted): Rename to...
2643 (*branch_fp_inverted): ...this and update as for *branch_fp.
2644 (*branch_zero<mode>): Rename to...
2645 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2646 Use mips_output_order_conditional_branch. Only accept ordered
2648 (*branch_zero<mode>_inverted): Rename to...
2649 (*branch_order<mode>_inverted): ...this and update as for
2650 *branch_order<mode>.
2651 (*branch_equality<mode>): Accept zero as the second operand to
2652 the equality operator. Use the new mips_output_conditional_branch
2654 (*branch_equality<mode>_inverted): Likewise.
2655 (condjump): New expander.
2656 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2658 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2659 (bc1any2t, bc1any2f): Likewise.
2660 (single_cc): New expander.
2661 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2663 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2665 * doc/md.texi: Update documentation of MIPS constraints.
2666 * config/mips/constraints.md: New file.
2667 * config/mips/mips.md: Include it.
2668 * config/mips/mips.c (mips_char_to_class): Delete.
2669 (override_options): Don't initialize mips_char_to_class.
2670 * config/mips/mips.h (mips_char_to_class): Delete.
2671 (REG_CLASS_FROM_LETTER): Delete.
2672 (CONST_OK_FOR_LETTER_P): Delete.
2673 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2674 (EXTRA_CONSTRAINT_Y): Delete.
2675 (EXTRA_CONSTRAINT_STR): Delete.
2676 (CONSTRAINT_LEN): Delete.
2677 (EXTRA_MEMORY_CONSTRAINT): Delete.
2679 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2681 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2682 original fn's eh regions.
2684 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2686 * fold-const.c (build_range_check): Make sure to use a valid type to
2687 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2690 (range_predecessor): New static function.
2691 (range_successor): Likewise.
2692 (merge_ranges): Use them to compute predecessors and successors of
2695 2006-03-09 Roger Sayle <roger@eyesopen.com>
2698 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2699 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2701 2006-03-08 DJ Delorie <dj@redhat.com>
2703 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2704 (addpsi3): Expand to include memory operands. Remove
2705 reload-specific splits.
2706 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2707 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2708 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2709 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2710 (shift1_qi, shift1_hi, insv): New.
2711 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2712 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2713 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2715 * config/m32c/m32c-protos.h: Update as needed.
2716 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2717 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2718 Fail for unrecognized R* constraints.
2719 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2720 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2721 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2723 (m32c_init_libfuncs): New.
2724 (m32c_legitimate_address_p): Add debug wrapper.
2725 (m32c_rtx_costs): New.
2726 (m32c_address_cost): New.
2727 (conversions): Add 'B' prefix.
2728 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2729 operands, or word regnames for QI operands. 'B' prints bit
2731 (m32c_expand_setmemhi): New.
2732 (m32c_expand_movmemhi): New.
2733 (m32c_expand_movstr): New.
2734 (m32c_expand_cmpstr): New.
2735 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2736 (m32c_expand_neg_mulpsi3): Handle non-ints.
2737 (m32c_cmp_flg_0): New.
2738 (m32c_expand_movcc): New.
2739 (m32c_expand_insv): New.
2740 (m32c_scc_pattern): New.
2741 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2742 a0/a1 out of SIregs.
2743 (STORE_FLAG_VALUE): New.
2744 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2747 * config/m32c/mov.md: Make constraints more liberal.
2748 (zero_extendqihi2): Optimize r0/r1 case.
2749 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2750 * config/m32c/predicates.md (m32c_any_operand): New.
2751 (m32c_nonimmediate_operand): New.
2752 (m32c_hl_operand): New.
2753 (m32c_r3_operand): New.
2756 (memsym_operand): New.
2757 (memimmed_operand): New.
2758 (a_qi_operand): New.
2759 (m32c_eqne_operator): New.
2760 (m32c_1bit8_operand): New.
2761 (m32c_1bit16_operand): New.
2762 (m32c_1mask8_operand): New.
2763 (m32c_1mask16_operand): New.
2764 * config/m32c/blkmov.md: New file.
2765 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2767 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2769 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2770 unsigned to fix signed/unsigned comparison issue in
2771 DWARF2_FRAME_REG_OUT.
2772 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2773 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2775 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2776 of ptr into the ENABLE_CHECKING section.
2778 2006-03-08 Jeff Law <law@redhat.com>
2780 * tree-vrp.c (infer_value_range): Only count pointer uses
2781 and dereferences if -fdelete-null-pointer-checks is enabled.
2783 * tree-vrp.c (find_assert_locations): Infer value ranges for
2784 single use pointers, but do not create ASSERT_EXPRs for them.
2785 When a non-null range is inferred for a pointer, backwards
2786 propagate that range to other equivalent pointers through the
2789 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2792 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2793 language hook targets.
2794 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2795 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2796 if language hook targets were missing.
2798 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2800 * tree-ssa-opfinalize.h: Removed.
2801 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2803 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2804 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2805 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2806 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2807 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2808 finalize_ssa_v_must_def_ops): New.
2810 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2812 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2815 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2817 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2819 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2820 addresses with offsets; reorganize.
2822 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2823 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2824 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2826 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2829 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2831 2006-03-08 Ben Elliston <bje@au.ibm.com>
2833 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2835 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2838 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2841 2006-03-07 Richard Guenther <rguenther@suse.de>
2843 PR tree-optimization/26587
2844 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2846 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2848 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2850 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2852 * hooks.c (hook_bool_mode_rtx_true): New function.
2853 * hooks.h (hook_bool_mode_rtx_true): Declare.
2854 * toplev.c (compile_file): Call output_shared_constant_pool.
2855 * varasm.c (shared_constant_pool): New variable.
2856 (assemble_start_function, assemble_end_function): Remove arguments
2857 from call to output_constant_pool.
2858 (create_constant_pool): New function, split out from...
2859 (init_varasm_status): ...here.
2860 (force_const_mem): Choose between the shared and per-function constant
2861 pools. Set current_function_uses_const_pool when reusing old entries
2862 as well as when creating new ones.
2863 (mark_constant): Ignore data argument.
2864 (mark_constants): Remove pool argument.
2865 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2866 to decide whether the function uses a constant pool.
2867 (output_constant_pool_contents): New function, split out from...
2868 (output_constant_pool): ...here.
2869 (output_shared_constant_pool): New function.
2870 (init_varasm_once): Initialize shared_constant_pool.
2871 * output.h (output_constant_pool): Delete.
2872 (output_shared_constant_pool): Declare.
2873 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2874 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2876 2006-03-06 Nick Clifton <nickc@redhat.com>
2878 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2879 flag_strength_reduce.
2881 2006-03-06 Ben Elliston <bje@au.ibm.com>
2883 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2884 x86_64-*-linux* configurations.
2886 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2887 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2889 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2891 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2893 * basic-block.h: Remove the extern for
2894 rediscover_loops_after_threading.
2896 * cfgloop.c (cancel_loop): Make it static.
2897 * cfgloop.h: Remove the prototype for cancel_loop.
2899 * flow.c (recompute_reg_usage): Make it static.
2900 * rtl.h: Remove the prototype for recompute_reg_usage.
2902 * function.c (use_return_register): Make it static.
2903 * function.h: Remove the prototype.
2905 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2907 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2909 * recog.h: Remove the prototype for
2910 validate_change_maybe_volatile.
2912 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2914 * rtlanal.c (replace_reg): Remove.
2915 * rtl.h: Remove the prototype for replace_reg.
2917 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2919 * regclass.c (reg_scan_update): Remove.
2920 (reg_scan_mark_refs): Remove the last argument.
2921 * rtl.h: Remove the prototype for reg_scan_update.
2923 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2925 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2926 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2927 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2928 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2929 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2930 loop-invariant.c, omp-low.c, opts.c, passes.c,
2931 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2932 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2933 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2934 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2935 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2936 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2938 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2940 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2941 * dwarf2out.h: Remove the prototype for
2942 dwarf2out_add_library_unit_info.
2944 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2946 * tree.c (add_var_to_bind_expr): Remove.
2947 * tree.h: Remove the prototype for add_var_to_bind_expr.
2949 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2951 * regclass.c (n_non_fixed_regs): Remove.
2952 (init_reg_sets_1, globalize_reg): Remove all uses of
2954 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2956 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2958 * rtlanal.c (insns_safe_to_move_p): Remove.
2959 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2961 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2963 * expmed.c (expand_mult_add): Remove.
2964 * expr.h: Remove the prototype for expand_mult_add.
2966 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2968 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2969 and REG_SAVED_VAL_EXP constants.
2970 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2971 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2972 Handle regs stored by value.
2973 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2974 (execute_cfa_program): Handle DW_CFA_val_offset,
2975 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2976 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2977 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2978 (uw_install_context_1): Handle target regs stored by value.
2980 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2982 * tree-sra.c (tree_sra): Return todoflags;
2983 (generate_one_element): Set TODO_update_smt_usage if needed.
2984 (pass_sra): Remove TODO_update_smt_usage.
2985 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2987 (tree_ssa_forward_propagate_single_use_vars): Return
2988 TODO_update_smt_usage if we need to update SMT usage.
2989 (pass_forwprop): Remove TODO_update_smt_usage.
2991 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2993 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2994 (correct_use_link): Remove reference to get_stmt_operands.
2995 (update_stmt_operands): Likewise.
2996 (get_modify_expr_operands): New function factored out of
2997 parse_ssa_operands and get_expr_operands.
2998 Try to create V_MUST_DEFs for LHS by default.
2999 (get_expr_operands) <case MODIFY_EXPR>: Call
3000 get_modify_expr_operands.
3001 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3002 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3003 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3004 get_modify_expr_operands.
3006 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3008 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3009 * tree-flow.h: Remove the prototype for
3010 referenced_var_lookup_if_exists.
3012 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3014 PR rtl-optimization/26345
3016 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3018 2006-03-03 Roger Sayle <roger@eyesopen.com>
3020 PR tree-optimization/26524
3021 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3022 fold_convert to create a constant of the appropriate type.
3024 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3026 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3027 SYMBOL_REF_IN_BLOCK_P.
3028 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3029 of SYMBOL_FLAG_IN_BLOCK.
3030 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3031 instead of SYMBOL_REF_IN_BLOCK_P.
3032 * explow.c (use_anchored_address): Likewise.
3033 * rtl.c (rtx_size): Likewise.
3034 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3035 instead of SYMBOL_FLAG_IN_BLOCK.
3036 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3037 SYMBOL_REF_IN_BLOCK_P.
3038 (assemble_variable): Likewise.
3039 (output_constant_def_contents): Likewise.
3040 (output_constant_pool): Likewise.
3041 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3042 instead of SYMBOL_FLAG_IN_BLOCK.
3043 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3044 SYMBOL_REF_IN_BLOCK_P.
3045 (SYMBOL_REF_BLOCK): Likewise.
3046 (SYMBOL_REF_OFFSET): Likewise.
3047 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3048 SYMBOL_REF_IN_BLOCK_P.
3049 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3050 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3051 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3052 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3054 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3056 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3058 2006-03-02 Roger Sayle <roger@eyesopen.com>
3060 * simplify-rtx.c (simplify_unary_operation): When simplifying
3061 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3062 that we perform the right shift in the appropriate mode, and
3063 then extend or truncate the result to requested mode.
3065 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3067 * gengtype.c (main): Handle double_int type.
3068 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3069 * double-int.c: New file.
3070 * double-int.h: New file.
3071 * system.h: Include doubleint.h.
3072 * Makefile.in (SYSTEM_H): Include double-int.h.
3073 (double-int.o): Add.
3075 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3078 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3081 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3083 * tree-vrp.c (remove_range_assertions): Do not update statements
3086 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3088 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3090 * gcse.c (rest_of_handle_gcse): Ditto.
3091 * except.c (gate_handle_eh): Ditto.
3092 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3093 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3095 2006-03-02 Eric Christopher <echristo@apple.com>
3097 * config/i386/i386.c (machopic_output_stub): Add indirection to
3100 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3104 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3106 Sun Niagara specific optimizations.
3107 * config.gcc: Recognize niagara as target.
3108 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3109 (TARGET_CPU_niagara): Define.
3110 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3111 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3112 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3113 (ASM_CPU_SPEC): Likewise.
3114 (PROCESSOR_NIAGARA): New enum entry.
3115 (REGISTER_MOVE_COST): Handle Niagara.
3116 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3117 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3118 (sparc_override_options): Recognize "niagara", set appropriate
3119 default MASK_* values for it, and align functions to 32-bytes
3120 by default just like ULTRASPARC/ULTRASPARC3.
3121 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3122 (sparc64_initialize_trampoline): Likewise.
3123 (sparc_use_sched_lookahead): Use zero for niagara.
3124 (sparc_issue_rate): Use one for niagara.
3125 * config/sparc/niagara.md: New file.
3126 * config/sparc/sparc.md: Include it.
3127 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3128 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3129 when default cpu is niagara.
3130 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3131 (ASM_CPU_SPEC): Likewise.
3132 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3133 when default cpu is niagara.
3134 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3135 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3136 just like v9/ultrasparc/ultrasparc3.
3137 * doc/invoke.texi: Add documentation for "niagara" and improve
3138 existing documentation for ultrasparc variants.
3140 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3142 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3144 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3146 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3147 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3148 and say that only one is needed.
3149 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3150 * target.h (have_switchable_bss_sections): New hook.
3151 * explow.c (use_anchored_address): Check that the symbol is in a block.
3152 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3153 (bss_noswitch_section): New variables.
3154 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3155 (get_noswitch_section): New function.
3156 (get_block_for_section): Allow SECT to be null.
3157 (unlikely_text_section_p): Use SECTION_STYLE.
3158 (bss_initializer_p): New function.
3159 (get_variable_section): Move earlier in file. Take a new argument,
3160 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3161 Return one of the new *_sections in such cases.
3162 (get_block_for_decl): New function, extracting some logic from
3163 use_blocks_for_decl_p.
3164 (change_symbol_section): Remove in favor of...
3165 (change_symbol_block): ...this new function.
3166 (use_blocks_for_decl_p): Remove checks now performed by
3168 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3169 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3170 (emit_local, emit_bss, emit_common): ...these new functions.
3171 Return true if the alignment was honored.
3172 (emit_tls_common): New function.
3173 (asm_emit_uninitialised): Delete.
3174 (assemble_variable_noswitch): New function, split out from...
3175 (assemble_variable): ...here. Don't make decisions about common
3176 variables here. Globalize all public decls that go into non-common
3177 sections. Check whether SYMBOL_REF_BLOCK is null.
3178 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3179 (output_constant_pool): Likewise.
3180 (init_varasm_once): Initialize the new section variables.
3181 (have_global_bss_p): New function.
3182 (categorize_decl_for_section): Use bss_initializer_p.
3183 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3184 (place_block_symbol): Assert that the symbol must be in a block.
3185 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3186 (TARGET_INITIALIZER): Include it.
3187 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3188 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3189 (SECTION_MACH_DEP): Bump by two.
3190 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3191 (unnamed_section): Mention SECTION_UNNAMED in comment.
3192 (named_section): Likewise SECTION_NAMED.
3193 (noswitch_section_callback): New type.
3194 (noswitch_section): New structure.
3195 (section): Add a noswitch_section alternative.
3196 (SECTION_STYLE): New macro.
3197 (tls_comm_section, comm_section, lcomm_section): Declare.
3198 (bss_noswitch_section, have_global_bss_p): Declare.
3199 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3200 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3202 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3203 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3206 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3208 * gcc/tree-vrp.c (execute_vrp): Return value.
3209 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3210 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3211 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3212 (tree_lower_complex_O0): Ditto.
3213 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3214 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3215 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3216 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3217 (execute_tail_calls): Ditto.
3218 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3219 * gcc/tree.h (init_function_for_compilation): Ditto.
3220 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3221 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3222 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3223 * gcc/final.c (compute_alignments): Ditto.
3224 (rest_of_handle_final): Ditto.
3225 (rest_of_handle_shorten_branches): Ditto.
3226 (rest_of_clean_state): Ditto.
3227 * gcc/omp-low.c (execute_expand_omp): Ditto.
3228 (execute_lower_omp): Ditto.
3229 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3230 * gcc/ipa-reference.c (static_execute): Ditto.
3231 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3232 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3233 (rest_of_handle_machine_reorg): Ditto.
3234 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3235 * gcc/flow.c (recompute_reg_usage): Ditto.
3236 (rest_of_handle_remove_death_notes): Ditto.
3237 (rest_of_handle_life): Ditto.
3238 (rest_of_handle_flow2): Ditto.
3239 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3240 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3241 (do_ssa_store_ccp): Ditto.
3242 (execute_fold_all_builtins): Ditto.
3243 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3244 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3245 * gcc/ipa-pure-const.c (static_execute): Ditto.
3246 * gcc/cse.c (rest_of_handle_cse): Ditto.
3247 (rest_of_handle_cse2): Ditto.
3248 * gcc/web.c (rest_of_handle_web): Ditto.
3249 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3250 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3251 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3252 * gcc/tree-nrv.c (tree_nrv): Ditto.
3253 (execute_return_slot_opt): Ditto.
3254 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3255 (create_structure_vars): Ditto.
3256 * gcc/loop-init.c (rtl_loop_init): Ditto.
3257 (rtl_loop_done): Ditto.
3258 (rtl_move_loop_invariants): Ditto.
3259 (rtl_unswitch): Ditto.
3260 (rtl_unroll_and_peel_loops): Ditto.
3261 (rtl_doloop): Ditto.
3262 * gcc/gimple-low.c (lower_function_body): Ditto.
3263 (mark_used_blocks): Ditto.
3264 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3265 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3266 (cgraph_early_inlining): Ditto.
3267 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3268 * gcc/jump.c (cleanup_barriers): Ditto.
3269 (purge_line_number_notes): Ditto.
3270 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3271 (rest_of_handle_if_after_reload): Ditto.
3272 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3273 (tree_ssa_loop_im): Ditto.
3274 (tree_ssa_loop_unswitch): Ditto.
3275 (tree_vectorize): Ditto.
3276 (tree_linear_transform): Ditto.
3277 (tree_ssa_loop_ivcanon): Ditto.
3278 (tree_ssa_empty_loop): Ditto.
3279 (tree_ssa_loop_bounds): Ditto.
3280 (tree_complete_unroll): Ditto.
3281 (tree_ssa_loop_prefetch): Ditto.
3282 (tree_ssa_loop_ivopts): Ditto.
3283 (tree_ssa_loop_done): Ditto.
3284 * gcc/predict.c (tree_estimate_probability): Ditto.
3285 * gcc/recog.c (split_all_insns_noflow): Ditto.
3286 (rest_of_handle_peephole2): Ditto.
3287 (rest_of_handle_split_all_insns): Ditto.
3288 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3289 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3290 (rest_of_handle_stack_adjustments): Ditto.
3291 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3292 * gcc/function.c (instantiate_virtual_regs): Ditto.
3293 (init_function_for_compilation): Ditto.
3294 (rest_of_handle_check_leaf_regs): Ditto.
3295 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3296 (rest_of_handle_gcse): Ditto.
3297 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3298 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3299 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3300 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3301 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3302 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3303 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3304 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3305 * gcc/except.c (set_nothrow_function_flags): Ditto.
3306 (convert_to_eh_region_ranges): Ditto.
3307 (rest_of_handle_eh): Ditto.
3308 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3309 (remove_unnecessary_notes): Ditto.
3310 * gcc/except.h (set_nothrow_function_flags): Ditto.
3311 (convert_to_eh_region_ranges): Ditto.
3312 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3313 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3314 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3315 (execute_fre): Ditto.
3316 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3317 (rest_of_handle_jump2): Ditto.
3318 * gcc/tree-sra.c (tree_sra): Ditto.
3319 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3320 (execute_mudflap_function_decls): Ditto.
3321 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3322 (do_store_copy_prop): Ditto.
3323 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3324 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3325 * gcc/tree-ssa-forwprop.c
3326 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3327 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3328 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3329 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3330 (execute_late_warn_uninitialized): Ditto.
3331 * gcc/rtl.h (cleanup_barriers): Ditto.
3332 (split_all_insns_noflow): Ditto.
3333 (purge_line_number_notes): Ditto.
3334 (unshare_all_rtl): Ditto.
3335 (remove_unnecessary_notes): Ditto.
3336 (recompute_reg_usage): Ditto.
3337 (variable_tracking_main): Ditto.
3338 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3339 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3340 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3341 (execute_free_cfg_annotations): Ditto.
3342 (execute_fixup_cfg): Ditto.
3343 (execute_cleanup_cfg_pre_ipa): Ditto.
3344 (execute_cleanup_cfg_post_optimizing): Ditto.
3345 (execute_init_datastructures): Ditto.
3346 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3347 * gcc/combine.c (rest_of_handle_combine): Ditto.
3348 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3349 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3350 (rest_of_handle_reorder_blocks): Ditto.
3351 (rest_of_handle_partition_blocks): Ditto.
3352 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3353 * gcc/tree-profile.c (tree_profiling): Ditto.
3354 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3355 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3356 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3357 (rest_of_handle_sched2): Ditto.
3358 * gcc/basic-block.h (free_bb_insn): Ditto.
3359 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3360 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3361 (remove_useless_stmts): Ditto.
3362 (split_critical_edges): Ditto.
3363 (execute_warn_function_return): Ditto.
3364 (execute_warn_function_noreturn): Ditto.
3365 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3366 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3367 * gcc/passes.c (execute_one_pass): Run additional
3368 todos returned by execute function.
3369 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3372 2006-03-02 Richard Guenther <rguenther@suse.de>
3374 * tree-ssa-alias.c (find_used_portions): Consider taking
3375 the address as making the variable not write-only.
3377 2006-03-02 Nick Clifton <nickc@redhat.com>
3379 * config.gcc (default_use_cxa_atexit): Extend the description of
3380 this configure variable. Set its default value to "yes" for
3381 Linux, NetBSD and ELF targets on the assumption that they will
3382 use C libraries with the __cxa_atexit function.
3384 2006-03-02 Ben Elliston <bje@au.ibm.com>
3386 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3387 parameter as unused to suppress a build warning.
3389 2006-03-02 Ben Elliston <bje@au.ibm.com>
3391 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3394 2006-03-01 Roger Sayle <roger@eyesopen.com>
3397 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3398 declared name, the weak reference name, and the typeof name.
3399 (__gthrw): Avoid expanding the declared name suffix.
3400 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3402 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3404 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3406 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3407 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3408 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3409 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3410 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3411 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3412 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3413 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3414 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3415 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3416 (DW_END_default, DW_END_big, DW_END_little): New.
3417 (DW_END_lo_user, DW_END_hi_user): Define.
3418 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3419 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3420 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3423 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3425 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3427 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3429 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3431 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3433 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3434 to 'symbol_mem_tag'.
3436 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3439 2006-03-01 Roger Sayle <roger@eyesopen.com>
3441 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3443 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3446 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3447 MACHO_DYNAMIC_NO_PIC_P.
3448 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3450 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3453 * config/darwin-protos.h (darwin_asm_output_anchor):
3455 * config/darwin-sections.def (cstring_section):
3456 Add SECTION_MERGE to the flags.
3457 (literal4_section): Likewise.
3458 (literal8_section): Likewise.
3459 (objc_selector_refs_section): Likewise.
3460 (objc_cls_refs_section): Likewise.
3461 * config/darwin.c (darwin_asm_output_anchor): New
3463 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3465 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3467 Fix PR tree-optimization/26443
3468 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3469 to todo and PROP_tmt_usage to properties_destroyed.
3470 * tree-ssa-ccp.c (pass_ccp): Ditto.
3471 (pass_store_ccp): Ditto.
3472 * tree-ssa-dom.c (pass_dominator): Ditto.
3474 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3476 * tree-ssa-operands.c: Cleanup whitespace.
3477 (get_asm_expr_operands): Move before first invocation.
3478 (get_indirect_ref_operands): Likewise.
3479 (get_tmr_operands): Likewise.
3480 (get_call_expr_operands): Likewise.
3481 (append_def): Likewise.
3482 (append_use): Likewise.
3483 (append_v_may_def): Likewise.
3484 (append_v_must_def): Likewise.
3485 (add_call_clobber_ops): Likewise.
3486 (add_call_read_ops): Likewise.
3487 (add_stmt_operand): Likewise.
3488 (add_virtual_operand): Likewise.
3489 (build_ssa_operands): Likewise.
3491 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3496 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3497 with a call expr to ...
3498 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3500 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3502 * tree-vrp.c (extract_range_from_assert): Remove special
3503 handling for types with super-types.
3505 2006-03-01 Ben Elliston <bje@au.ibm.com>
3507 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3508 and powerpc64-*-linux* configurations.
3509 * config/t-dfprules: New file.
3511 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3512 Compile dfp-bit.c from the source directory using -DWIDTH and
3513 $DFP_CFLAGS to control the compilation of that file, rather than
3514 generating width-specific versions in the build directory.
3515 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3516 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3518 2006-02-28 Zack Weinberg <zackw@panix.com>
3520 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3523 2006-02-28 Eric Christopher <echristo@apple.com>
3525 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3526 Set up IN_LIBGCC definition of TARGET_64BIT.
3527 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3529 2006-02-28 Roger Sayle <roger@eyesopen.com>
3532 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3533 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3534 cases via the construction of "expr != 0".
3536 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3538 * alias.c (alias_invariant, alias_invariant_size): Remove.
3539 (record_base_value): Remove.
3540 (memrefs_conflict_p): Don't look at alias_invariant.
3541 (end_alias_analysis): Don't free it.
3542 * alias.h (record_base_value): Remove prototype.
3544 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3545 Adam Nemet <anemet@caviumnetworks.com>
3547 * rtl.h (truncated_to_mode): Declare it.
3548 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3549 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3550 (RTL_HOOKS_INITIALIZER): Include it.
3551 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3552 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3553 reg_truncated_to_mode.
3554 * rtlanal.c (truncated_to_mode): Define it.
3555 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3557 2006-02-28 Jeff Law <law@redhat.com>
3559 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3560 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3561 the range allowed by TYPE_PRECISION.
3563 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3565 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3567 PR tree-optimization/26419
3568 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3571 2006-02-27 Zack Weinberg <zackw@panix.com>
3573 * doc/md.texi: Fix typo in previous change.
3575 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3579 2006-02-27 Zack Weinberg <zackw@panix.com>
3581 * rtl.def (define_constraint, define_register_constraint)
3582 (define_memory_constraint, define_address_constraint): New MD forms.
3583 * gensupport.c (process_rtx): Put define_constraint etc on the
3585 * genpreds.c (process_define_predicate): Adjust comment. Validate
3586 the name, and call validate_exp to validate the expression.
3587 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3588 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3589 all callers changed.
3590 (validate_exp, needs_variable, struct constraint_data)
3591 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3592 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3593 (const_dbl_constraints, constraint_max_namelen)
3594 (have_register_constraints, have_memory_constraints)
3595 (have_address_constraints, have_address_constraints)
3596 (have_extra_constraints, have_const_int_constraints)
3597 (have_const_dbl_constraints, mangle, add_constraint)
3598 (process_define_constraint, process_define_register_constraint)
3599 (write_enum_constraint_num, write_lookup_constraint)
3600 (write_insn_constraint_len, write_regclass_for_constraint)
3601 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3602 (write_insn_extra_memory_constraint)
3603 (write_insn_extra_address_constraint)
3604 (write_satisfies_constraint_fns): New.
3605 (write_tm_preds_h): If we have new-style constraint definitions,
3606 prototype the functions generated from them, and define the
3607 old constraint interface (still used by generic code) in terms of
3609 (write_insn_preds_c): If we have new-style constraint definitions,
3610 generate all relevant functions from those definitions.
3611 (main): Handle define_constraint etc.
3612 * genoutput.c (struct constraint_data, indep_constraints)
3613 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3614 (mdep_constraint_len): New data structures and functions, defined
3615 #ifdef USE_MD_CONSTRAINTS.
3616 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3617 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3618 use new logic to validate operand constraints against constraint
3620 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3622 * defaults.h: If none of the old-style constraint macros are
3623 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3624 old-style macros; and poison REG_CLASS_FROM_LETTER,
3625 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3627 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3628 * doc/md.texi: Document new constraint-definition mechanism and the
3629 C interface it provides. Remove references to old mechanism
3630 elsewhere in the document.
3631 (Machine Constraints): Use pathnames relative to gcc directory,
3632 i.e. config/ARCH/FILE. Change i386 section to refer to
3633 config/i386/predicates.md; update that section to match docstrings.
3634 * doc/tm.texi: Move all documentation of the old constraint-
3635 definition macros to their own section, clearly mark as obsolete.
3637 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3638 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3640 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3641 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3642 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3644 (splits and peepholes): Use satisfies_constraint_*.
3645 * config/i386/i386.c (memory_address_length)
3646 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3648 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3650 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3651 scalar operation to be put back into the loop.
3653 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3656 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3657 (extract_cie_info): Handle S flag in augmentation string.
3658 (execute_cfa_program): If context->signal_frame, execute also
3659 fs->pc == context->ra instructions.
3660 (uw_frame_state_for): If context->signal_frame, don't subtract one
3661 from context->ra to find FDE.
3662 (uw_update_context_1): Set context->signal_frame to
3664 (_Unwind_GetIPInfo): New function.
3665 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3666 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3668 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3669 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3670 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3671 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3672 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3673 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3674 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3675 x86_64_fallback_frame_state): Set fs->signal_frame.
3676 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3677 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3678 (frob_update_context): Likewise. Workaround missing S flag in
3679 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3680 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3681 Remove the psw_addr + 1 hack.
3683 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3685 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3686 with aggregates here.
3687 (find_func_aliases): Remove code for &<aggregate> from here.
3689 2006-02-26 Roger Sayle <roger@eyesopen.com>
3691 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3692 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3693 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3696 2006-02-26 Roger Sayle <roger@eyesopen.com>
3699 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3701 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3703 * opts.c (decode_options): Do not handle flag_strength_reduce.
3704 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3705 and OPT_fstrength_reduce.
3706 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3707 flag_prefetch_loop_arrays for being nonzero.
3708 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3710 (fprefetch-loop-arrays-rtl): Removed.
3711 (flag_prefetch_loop_arrays): Do not specify the value.
3713 * doc/passes.texi: Update documentation of loop optimizer
3715 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3716 -frerun-loop-opt): Remove.
3718 2006-02-26 Richard Guenther <rguenther@suse.de>
3720 PR tree-optimization/26421
3721 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3722 in function calls that are ADDR_EXPRs as using the whole structure.
3724 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3726 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3727 * tree-pass.h (pass_loop_optimize): Remove.
3728 * passes.c (pass_loop_optimize): Never run it.
3729 * toplev.c (backend_init): Don't call init_loop.
3730 * opts.c (flag_loop_optimize_set): Remove.
3731 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3732 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3733 the old RTL loop optimizer when profiling enabled.
3734 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3735 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3736 pre-headers for the sake of the old RTL loop optimizer.
3737 * Makefile.in: Remove all references to loop.o.
3739 * doc/invoke.texi: Remove all references to -floop-optimize
3740 and -frerun-loop-opt.
3742 2006-02-26 Zack Weinberg <zackw@panix.com>
3744 * doc/md.texi (Machine Constraints): Refer to all files with paths
3745 relative to gcc directory (i.e. config/CPU/file). Add missing
3746 @table @code ... @end table to M32C subsection.
3748 2006-02-26 Roger Sayle <roger@eyesopen.com>
3750 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3752 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3754 2006-02-26 Roger Sayle <roger@eyesopen.com>
3755 James A. Morrison <phython@gcc.gnu.org>
3758 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3759 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3760 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3761 signedness of the shift operation.
3763 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3765 PR tree-optimization/26359
3766 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3768 2006-02-25 Roger Sayle <roger@eyesopen.com>
3770 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3771 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3772 as X == 0, and some symmetry related transformations.
3773 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3775 2006-02-25 Roger Sayle <roger@eyesopen.com>
3778 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3779 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3780 symmetry related transformations. Fold (X^C1) == C2 as
3783 2006-02-25 Juergen Weigert <jw@suse.de>
3784 Richard Guenther <rguenther@suse.de>
3786 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3788 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3790 * combine.c (gen_lowpart_or_truncate): Call
3791 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3793 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3795 * doc/invoke.texi: Move -fopenmp description to "Options for
3797 Remove reference to -lgomp.
3799 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3801 * doc/install.texi: Require GNU tar version 1.14.
3803 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3805 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3806 * doc/invoke.texi (C++ Dialect Options): Document
3807 -fno-use-cxa-get-exception-ptr.
3808 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3809 * configure: Regenerate.
3810 * c.opt (fuse-cxa-get-exception-ptr): New.
3811 * c-opts.c (c_common_handle_option): Handle
3812 OPT_fuse_cxa_get_exception_ptr.
3813 * c-common.c (flag_use_cxa_atexit): Update documentation.
3814 (flag_use_cxa_get_exception_ptr): New.
3815 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3816 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3818 (C_COMMON_OVERRIDE_OPTIONS): New.
3820 2006-02-24 Roger Sayle <roger@eyesopen.com>
3823 * combine.c (try_combine): Explicitly check whether GET_CODE is
3824 a SET or a CLOBBER, instead on checking that it isn't a USE.
3826 2006-02-24 Roger Sayle <roger@eyesopen.com>
3828 * fold-const.c (fold_comparison): New subroutine of fold_binary
3829 containing transformations common to both the equality and
3830 ordering relational operators, factored out of fold_binary.
3831 (fold_binary): Separate out the equality operators (EQ_EXPR
3832 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3833 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3834 transformations common to both.
3835 (fold_div_compare): Fix latent bugs in the previously unreachable
3836 LT_EXPR and GE_EXPR cases.
3838 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3840 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3841 decl libname for clog to __clog on AIX.
3843 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3845 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3848 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3849 output traceback table for thunks. Localise rs6000_stack_info call.
3851 2006-02-23 Roger Sayle <roger@eyesopen.com>
3852 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3854 * gthr-posix.h (__gthrw): Fix typo in comment.
3856 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3858 * doc/cpp.texi (Character sets): Document that we do support
3859 input files to be in any character set.
3861 2006-02-23 Jeff Law <law@redhat.com>
3863 * tree.h (PHI_ARG_NONZERO): Remove.
3864 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3865 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3866 node to the new node.
3868 PR tree-optimization/26425
3869 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3870 min/max, then assume its varying.
3872 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3874 PR rtl-optimization/26316
3875 * rtlanal.c (enum may_trap_p_flags): New.
3876 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3877 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3878 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3879 (may_trap_after_code_motion_p): New function.
3880 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3881 (find_invariant_insn): Use may_trap_after_code_motion_p.
3882 * rtl.h (may_trap_after_code_motion_p): Declare.
3884 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3886 * emit-rtl.c (immed_double_const): Cleanup.
3888 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3890 Fix PR tree-optimization/26376
3891 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3894 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3897 * gimplify.c (omp_add_variable): Guard variable size decl test with
3898 DECL_SIZE (decl) check.
3900 2006-02-23 Richard Guenther <rguenther@suse.de>
3903 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3904 like aggregate types.
3906 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3908 * configure.ac: Add --with{,out}-long-double-128 configure option.
3909 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3910 * configure: Rebuilt.
3911 * config.in: Rebuilt.
3912 * doc/install.texi (Options specification): Document
3913 --with-long-double-128.
3915 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3916 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3917 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3918 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3920 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3922 * config/s390/s390.c (override_options): Handle
3923 TARGET_DEFAULT_LONG_DOUBLE_128.
3925 * config/alpha/alpha.c (override_options): Handle
3926 TARGET_DEFAULT_LONG_DOUBLE_128.
3928 * config/sparc/sparc.c (sparc_override_options): Handle
3929 TARGET_DEFAULT_LONG_DOUBLE_128.
3931 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3933 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3934 (real-install-headers-tar, real-install-headers-cpio)
3935 (real-install-headers-cp): New targets.
3937 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3939 * tree.h (variable_section): Delete.
3940 * varasm.c (variable_section): Delete.
3942 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3944 * install.texi: Add notes on install.texi2html.
3945 (Building in parallel): Do not use footnotes.
3947 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3950 * doc/install.texi (Configuration): Document --disable-libgomp.
3952 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3954 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3956 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3958 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3959 (vec_extractv2df_0_sse): New.
3961 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3963 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3964 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3965 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3966 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3967 to the result of the expression.
3968 (def_cfa_1): Adjust.
3969 (frame_pointer_cfa_offset): Rename to...
3970 (frame_pointer_fb_offset): ... this. Adjust all uses.
3971 (convert_cfa_to_loc_list): Rename to...
3972 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3973 Pass it on to build_cfa_loc.
3974 (compute_frame_pointer_to_cfa_displacement): Rename to...
3975 (compute_frame_pointer_to_fb_displacement): ... this. New
3976 offset parameter. Use it in computation.
3977 (gen_subprogram_die): Compute cfa_fb_offset with the new
3978 macro, and use it to compute the fb loc list and the
3981 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3983 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3984 replaced with register_operand.
3985 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3986 non-DREG is expensive.
3987 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3988 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3991 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3993 * doc/install.texi2html: Use set -e.
3995 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3997 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3998 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3999 * doc/invoke.texi (-fshared-data): Delete.
4000 * common.opt (fshared-data): Delete.
4001 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4002 (assemble_static_space): Remove #if 0 code.
4003 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4004 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4005 * config/cris/cris.h: Remove FIXME.
4007 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4009 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4012 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4015 * combine.c (simplify_shift_const_1): Disable nested shifts
4016 optimization for vector shifts.
4018 2006-02-20 Roger Sayle <roger@eyesopen.com>
4020 PR tree-optimization/26361
4021 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4022 of unsigned integer types.
4024 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4026 * tree-chrec.c (eq_evolutions_p): New.
4027 * tree-chrec.h (eq_evolutions_p): Declared.
4028 * tree-data-ref.c: Fix formatting.
4029 (datadep_stats, dependence_stats): New.
4031 (print_direction_vector): New.
4032 (dump_data_dependence_relation): Use print_direction_vector.
4033 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4034 (compute_subscript_distance): Static.
4035 (initialize_data_dependence_relation): Static. Get the number
4036 of loops surrounding the references from the callers, and initialize
4037 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4038 base_object_differ_p analyzers.
4039 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4040 compute_overlap_steps_for_affine_1_2,
4041 analyze_subscript_affine_affine): Count the classified dependences.
4042 Print a message when a test failed.
4043 (can_use_analyze_subscript_affine_affine): New.
4044 (analyze_siv_subscript): Compute the data dependences on symbolic
4045 scevs that verify can_use_analyze_subscript_affine_affine.
4046 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4047 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4048 Handle symbolic scevs.
4049 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4051 (subscript_dependence_tester): Moved...
4052 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4053 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4054 DDR_SIZE_VECT instead of getting it in parameter.
4055 (subscript_dependence_tester): ... here. Take as a parameter
4056 loop_nest_depth. Call build_classic_dist_vector and
4057 build_classic_dir_vector.
4058 (compute_affine_dependence): Update subscript_dependence_tester
4059 parameters. Update datadep_stats counters. Call
4060 compute_subscript_distance.
4061 (compute_self_dependence): Save the dist and dir vectors. Call
4062 compute_subscript_distance.
4063 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4064 (compute_all_dependences): Reorder parameters as they were before
4065 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4066 compute_subscript_distance. Update the use of
4067 compute_affine_dependence and initialize_data_dependence_relation.
4068 (find_data_references_in_loop): Handle COMPONENT_REF.
4069 (compute_data_dependences_for_loop): Initialize dependence_stats.
4070 Don't call build_classic_dist_vector and build_classic_dir_vector.
4071 Update the parameters of initialize_data_dependence_relation and
4072 compute_all_dependences. Print the statistics from datadep_stats.
4073 (analyze_all_data_dependences): Static. Not used until the pass for
4074 checking the data dependences is contributed.
4075 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4076 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4077 (initialize_data_dependence_relation, compute_affine_dependence,
4078 analyze_all_data_dependences, compute_subscript_distance): Removed.
4079 (print_direction_vector): New.
4080 * lambda.h (gcd): ... here.
4081 (lambda_vector_gcd): Moved here from gcd_vector.
4082 * lambda-code.c (gcd, gcd_vector): Removed.
4083 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4084 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4086 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4088 * ipa-type-escape.c: Tidy some comments and white space.
4089 * tree-ssa-operands.c: Likewise.
4091 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4094 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4095 (dump_decl_name): Do not walk the decl tree chains.
4096 * tree-pass.h (TDF_CHAIN): Remove.
4098 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4100 * Makefile.in (C): Remove
4102 (.PHONY): Remove C and PROTO
4104 2006-02-20 Roger Sayle <roger@eyesopen.com>
4107 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4108 deprecated CHAR_TYPE tree code.
4110 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4112 * configure.ac (target_list): Add install-info, dvi, html.
4113 * configure: Regenerate.
4115 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4116 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4117 treelang/Make-lang.in: Do not use double-colon rules.
4119 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4121 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4122 (TMT_USED_ALONE): New macro.
4123 * tree-pass.h (PROP_tmt_usage): New property.
4124 (TODO_update_tmt_usage): New todo.
4125 * tree-ssa-alias.c (updating_used_alone): New variable.
4126 (recalculate_used_alone): New function.
4127 (compute_may_aliases): Set updating_used_alone, call
4128 recalculate_used_alone.
4129 * tree-sra.c (pass_sra): Note that this pass destroys
4130 PROP_tmt_usage, and add TODO_update_tmt_usage.
4131 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4132 * tree-flow.h (updating_used_alone): Prototype.
4133 (recalculate_used_alone): Ditto.
4134 * passes.c (execute_todo): Add code to set updating_used_alone,
4135 and call recalculate.
4136 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4137 for clobber if used alone, and add assert to verify used_alone
4140 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4142 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4143 for non tls symbols added.
4144 (legitimize_address): Do nothing for PLUS expressions if one of the
4145 addends is a tls symbol reference.
4147 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4151 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4153 * Makefile.in (BOOTSTRAPPING): New.
4154 (quickstrap): New definition if BOOTSTRAPPING=yes.
4156 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4157 * configure.ac: Substitute all_selected_languages with the languages
4158 that were configured. For all the other variables except
4159 lang_specs_files, include all the languages in the tree.
4160 * configure: Regenerate.
4162 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4163 if there is one. Run the commands to run fixincludes in the same
4166 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4167 * doc/install.texi: Document exact conventions for searching target tools.
4168 Document --with-build-time-tools. Document toplevel bootstrap. Document
4169 something more about building an Ada cross-compiler. Don't list GNU Make
4170 requirements which affect all platforms.
4172 2006-02-19 Roger Sayle <roger@eyesopen.com>
4175 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4176 only equivalent if the have both the same mode and precision.
4178 2006-02-20 Ben Elliston <bje@au.ibm.com>
4180 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4182 2006-02-19 Roger Sayle <roger@eyesopen.com>
4183 Steven Bosscher <stevenb.gcc@gmail.com>
4185 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4186 constant pool references to identify stack mode constants.
4187 * rtlanal.c (constant_pool_constant_p): New predicate to check
4188 whether operand is a floating point constant in the pool.
4189 * rtl.h (constant_pool_constant_p): Prototype here.
4190 * loop.c (scan_loop): Avoid hoisting constants from the constant
4191 pool on STACK_REGS targets.
4192 (load_mems): Likewise.
4193 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4194 loads into x87 registers expensive in terms of register pressure.
4196 2006-02-19 Roger Sayle <roger@eyesopen.com>
4198 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4199 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4201 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4203 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4204 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4206 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4208 * doc/invoke.texi: Document -fipa-pta.
4209 * common.opt: Add ipa-pta option.
4210 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4211 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4212 (do_ds_constraint): Ditto.
4213 (get_constraint_for): Only add to referenced_vars if
4214 referenced_vars exists.
4215 (insert_into_field_list): Rewrite to do this unsorted.
4216 (insert_into_field_list_sorted): Rename old insert_into_field_list
4218 (create_function_info_for): Use insert_into_field_list_sorted.
4219 (create_variable_info_for): Rewrite so it uses unsorted version,
4220 since the field list is sorted.
4221 (intra_create_variable_infos): Only add to referenced_vars if
4222 referenced_vars exists.
4223 (ipa_pta_execute): Init heapvars, and delete when done.
4224 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4226 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4228 * doc/install.texi: Add missing `@samp'.
4230 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4232 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4235 2006-02-18 Mark Wielaard <mark@klomp.org>
4237 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4238 who added new 4.1 features, bug fixes and integration support.
4240 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4243 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4246 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4248 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4249 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4250 (copy_insn_1): Likewise. Don't copy each field individually.
4252 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4254 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4255 * rtl.c (rtx_size): Rename variable to...
4256 (rtx_code_size): ...this.
4257 (rtx_size): New function.
4258 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4259 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4261 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4262 * rtl.h (rtx_code_size): New variable.
4263 (rtx_size): Change from a variable to a function.
4264 (RTX_SIZE): Rename to...
4265 (RTX_CODE_SIZE): ...this.
4268 PR tree-optimization/17106
4269 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4270 (Anchored Addresses): New section.
4271 * doc/invoke.texi (-fsection-anchors): Document.
4272 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4273 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4274 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4275 * hooks.c (hook_bool_mode_rtx_false): New function.
4276 * hooks.h (hook_bool_mode_rtx_false): Declare.
4277 * gengtype.c (create_optional_field): New function.
4278 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4279 SYMBOL_REF_IN_BLOCK_P is true.
4280 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4281 (min_anchor_offset, max_anchor_offset): Likewise.
4282 (use_anchors_for_symbol_p): New hook.
4283 * toplev.c (compile_file): Call output_object_blocks.
4284 (target_supports_section_anchors_p): New function.
4285 (process_options): Check that -fsection-anchors is only used on
4286 targets that support it and when -funit-at-a-time is in effect.
4287 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4288 if the decl doesn't have one.
4289 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4290 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4291 of force_const_mem through use_anchored_address.
4292 (expand_expr_constant): New function.
4293 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4294 calling expand_expr for INDIRECT_REF.
4295 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4296 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4297 * expr.h (use_anchored_address): Declare.
4298 * loop-unroll.c: Don't declare rtx vectors here.
4299 * explow.c: Include output.h.
4300 (validize_mem): Call use_anchored_address.
4301 (use_anchored_address): New function.
4302 * common.opt (-fsection-anchors): New switch.
4303 * varasm.c (object_block_htab, anchor_labelno): New variables.
4304 (hash_section, object_block_entry_eq, object_block_entry_hash)
4305 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4306 (use_blocks_for_decl_p, change_symbol_section): New functions.
4307 (get_variable_section): New function, split out from assemble_variable.
4308 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4309 use_blocks_for_decl_p say so. Use change_symbol_section if the
4310 symbol has already been created.
4311 (assemble_variable_contents): New function, split out from...
4312 (assemble_variable): ...here. Don't output any code for
4313 block symbols; just pass them to place_block_symbol.
4314 Use get_variable_section and assemble_variable_contents.
4315 (get_constant_alignment, get_constant_section, get_constant_size): New
4316 functions, split from output_constant_def_contents.
4317 (build_constant_desc): Create a block symbol if use_object_blocks_p
4318 says so. Or into SYMBOL_REF_FLAGS.
4319 (assemble_constant_contents): New function, split from...
4320 (output_constant_def_contents): ...here. Don't output any code
4321 for block symbols; just pass them to place_section_symbol.
4322 Use get_constant_section and get_constant_alignment.
4323 (force_const_mem): Create a block symbol if use_object_blocks_p and
4324 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4325 (output_constant_pool_1): Add an explicit alignment argument.
4326 Don't switch sections here.
4327 (output_constant_pool): Adjust call to output_constant_pool_1.
4328 Switch sections here instead. Don't output anything for block symbols;
4329 just pass them to place_block_symbol.
4330 (init_varasm_once): Initialize object_block_htab.
4331 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4332 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4333 (place_block_symbol, get_section_anchor, output_object_block)
4334 (output_object_block_htab, output_object_blocks): New functions.
4335 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4336 (TARGET_ASM_OUT): Include it.
4337 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4338 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4339 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4340 (TARGET_INITIALIZER): Include them.
4341 * rtl.c (rtl_check_failed_block_symbol): New function.
4342 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4343 (block_symbol, object_block): New structures.
4344 (rtx_def): Add a block_symbol field to the union.
4345 (BLOCK_SYMBOL_CHECK): New macro.
4346 (rtl_check_failed_block_symbol): Declare.
4347 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4348 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4349 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4350 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4351 * output.h (output_section_symbols): Declare.
4352 (object_block): Name structure.
4353 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4354 (default_use_anchors_for_symbol_p): Declare.
4355 * Makefile.in (RTL_BASE_H): Add vec.h.
4356 (explow.o): Depend on output.h.
4357 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4358 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4359 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4360 (rs6000_use_blocks_for_constant_p): New function.
4362 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4364 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4366 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4369 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4372 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4374 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4378 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4381 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4382 instead of DECL_REGISTER.
4384 2006-02-18 Olivier Hainque <hainque@adacore.com>
4387 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4389 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4392 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4393 * opth-gen.awk: Handle Var and InverseMask together.
4394 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4395 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4396 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4397 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4399 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4400 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4401 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4402 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4403 LINUX_DYNAMIC_LINKER): Define.
4404 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4405 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4407 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4408 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4409 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4410 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4411 (TARGET_C99_FUNCTIONS): Don't define.
4412 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4413 GLIBC_DYNAMIC_LINKER.
4414 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4415 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4416 GLIBC_DYNAMIC_LINKER64): Define.
4417 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4418 LINUX_DYNAMIC_LINKER64.
4419 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4420 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4421 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4422 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4423 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4424 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4425 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4426 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4427 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4428 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4429 and LINUX_DYNAMIC_LINKER32.
4430 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4431 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4432 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4433 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4434 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4436 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4437 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4438 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4439 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4440 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4441 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4442 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4443 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4444 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4445 LINUX_DYNAMIC_LINKER): Define.
4446 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4447 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4448 GLIBC_DYNAMIC_LINKER64): Define.
4449 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4450 LINUX_DYNAMIC_LINKER64.
4451 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4452 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4453 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4454 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4455 LINUX_DYNAMIC_LINKER): Define.
4456 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4457 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4458 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4459 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4460 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4461 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4462 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4463 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4464 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4465 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4466 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4467 * doc/invoke.texi (-muclibc): Remove caveat about supported
4470 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4472 * doc/cpp.texi (__TIMESTAMP__): Document.
4474 2006-02-17 Roger Sayle <roger@eyesopen.com>
4477 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4478 C is one less than the width of X (and related transformations).
4479 * simplify-rtx.c (simplify_unary_operation_1): Transform
4480 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4481 depending on STORE_FLAG_VALUE, were C is one less then the
4484 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4486 Fix PR tree-optimization/26341
4487 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4488 about NAME_MEMORY_TAG's.
4490 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4493 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4494 with hardware float support, and software float support. Add fcpy
4495 alternative to hardware patterns. Add alternatives to copy between
4496 general and floating-point registers to the 32-bit pattern.
4497 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4498 secondary reload to load a QI or HI mode constant into a floating
4500 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4501 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4503 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4506 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4508 (load_macho_picbase_di): Likewise.
4510 2006-02-16 Jeff Law <law@redhat.com>
4512 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4513 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4514 (ssa_name_nonzero_p): Likewise.
4515 (get_value_range): Return NULL if VRP is not running.
4516 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4517 VRP routines do not discover a range.
4518 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4519 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4520 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4521 (tree_expr_nonnegative_p): Similarly.
4522 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4523 (restore_nonzero_vars_to_original_value): Remove.
4524 (unsafe_associative_fp_binop): Remove.
4525 (tree_ssa_dominator_optimize): Remove initialization and
4526 finalization of nonzero_vars and nonzero_vars_stack.
4527 (dom_opt_initialize_block): No longer push marker on
4529 (dom_opt_finalize_block): No longer call
4530 restore_nonzero_vars_to_original_value.
4531 (record_equivalences_from_phis): No longer look for
4532 nonzero PHI arguments.
4533 (cprop_into_successor_phis): No longer propagate nonzero
4534 property into PHI arguments. Lose unused argument. Caller
4536 (record_equivalences_from_stmt): No longer record nonzero
4537 values for SSA_NAMEs.
4538 (lookup_avail_expr): No longer use nonzero_vars.
4540 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4541 for sizetype when sizetype is unsigned.
4543 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4545 PR rtl-optimization/25603
4546 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4547 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4548 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4549 with new meaning of SETS.
4551 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4556 * config/linux.opt: New file.
4557 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4558 LINUX_DYNAMIC_LINKER): Define.
4559 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4560 * config.gcc (*-*-linux*): Define extra_options.
4561 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4562 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4563 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4564 GLIBC_DYNAMIC_LINKER.
4565 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4566 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4567 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4568 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4569 * doc/invoke.texi (GNU/Linux Options): New section.
4571 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4573 * config/sparc/sparc.md (setjmp): Rewrite.
4574 (setjmp_32): Delete.
4575 (setjmp_64): Likewise.
4577 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4579 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4582 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4584 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4587 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4589 PR rtl-optimization/26296
4590 * Makefile.in (loop-invariant.c): Add except.h dependency.
4591 * loop-invariant.c: Include except.h.
4592 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4594 2005-02-16 Paul Brook <paul@codesourcery.com>
4596 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4599 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4601 PR rtl-optimization/25636
4602 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4603 when deciding whether an insn is an initializing insn.
4605 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4607 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4608 (tree_code_size): Ditto.
4609 * tree.h (struct tree_memory_tag): Remove parent_var.
4610 (struct tree_struct_field_tag): New.
4613 (union tree_node): Add sft member.
4614 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4616 (create_sft): Add size and offset argument, set SFT_OFFSET and
4618 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4619 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4620 * tree-flow-inline.h (get_subvar_at): Update for
4621 SFT_OFFSET/SFT_SIZE.
4622 (var_can_have_subvars): Ditto.
4623 (overlap_subvar): Ditto.
4624 * print-tree.c (print_node): Print out interesting things for
4626 * tree-flow.h (struct subvar): Remove offset and size members.
4627 * tree-ssa-operands.c (get_expr_operands): Update for
4628 get_indirect_ref_operands changes.
4629 (get_indirect_ref_operands): Call add_virtual_operand instead of
4630 add_stmt_operand. Only recurse on base var if requested.
4631 (access_can_touch_variable): New function.
4632 (add_stmt_operand): Split virtual operand handling into ...
4633 (add_virtual_operand): Here. Add offset, size, and for_clobber
4634 arguments. Prune alias sets.
4635 (add_call_clobber_ops): Call add_virtual_operand.
4637 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4640 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4642 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4643 than TREE_CODE as index into omp_clause_num_ops array.
4645 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4647 PR rtl-optimization/26184
4648 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4650 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4651 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4652 must_precede, must_follow and tobe_scheduled.
4655 * opts.c (common_handle_option): Free new_option pointer.
4656 * df-core.c (df_analyze): Free postorder pointer.
4658 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4660 * Makefile.in: Fix the examples about the use of stamps
4662 2006-02-15 Michael Matz <matz@suse.de>
4666 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4667 influenced by maximum_field_alignment or DECL_PACKED.
4668 (update_alignment_for_field): Ditto.
4669 (place_field): Ditto.
4670 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4673 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4675 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4676 (debug_flow_info): Pass it.
4677 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4678 * bb-reorder.c (reorder_basic_blocks): Likewise.
4679 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4680 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4681 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4682 * gcse.c (gcse_main, bypass_jumps): Likewise.
4683 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4684 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4685 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4686 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4687 * rtl.h (dump_flow_info): Adjust prototype.
4688 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4689 * var-tracking.c (variable_tracking_main): Likewise.
4690 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4691 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4694 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4696 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4699 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4701 PR tree-optimization/26209
4702 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4703 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4705 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4707 2006-02-14 Roger Sayle <roger@eyesopen.com>
4710 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4711 (X,Y) and the corresponding symmetry related transformations.
4712 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4713 (X,Y) and its symmetry related transformations.
4715 2006-02-14 Roger Sayle <roger@eyesopen.com>
4717 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4720 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4722 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4724 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4727 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4728 support COMDAT group.
4729 * configure: Regenerate.
4731 2006-02-14 Roger Sayle <roger@eyesopen.com>
4736 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4738 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4740 Fix PR tree-optimization/26260
4742 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4744 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4745 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4746 * tree-ssa-structalias.c (create_variable_info_for): Use
4747 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4749 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4751 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4753 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4754 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4755 of the ending condition.
4756 * tree-ssa-loop-manip.c: Include params.h.
4757 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4758 tree_unroll_loop): New functions.
4759 * tree-pass.h (pass_loop_prefetch): Declare.
4760 * loop.c (rest_of_handle_loop_optimize): Test for
4761 -fprefetch-loop-arrays-rtl.
4762 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4763 * timevar.def (TV_TREE_PREFETCH): New timevar.
4764 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4765 pass_loop_prefetch): New.
4766 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4767 (cleanup_tree_cfg_loop): Call scev_reset.
4768 * common.opt (fprefetch-loop-arrays-rtl): Add.
4769 * tree-ssa-loop-prefetch.c: New file.
4770 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4771 (new_temp_expr_table): Initialize expr_vars.
4772 (free_temp_expr_table): Cleanup expr_vars.
4773 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4774 expressions from being merged into one.
4775 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4776 (struct tree_niter_desc): Add control, bound and cmp fields.
4777 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4779 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4780 (tree-cfgcleanup.o): Add SCEV_H dependency.
4781 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4782 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4784 2006-02-14 Richard Guenther <rguenther@suse.de>
4786 PR tree-optimization/26258
4787 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4788 in PHI argument processing.
4790 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4792 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4793 new expression in the requested machine mode.
4795 2006-02-13 Roger Sayle <roger@eyesopen.com>
4797 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4798 directly, instead let do_compare_rtx_and_jump handle this for us.
4799 * expr.c (expand_expr_real_1): Likewise.
4800 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4801 before do_jump_by_parts_greater.
4802 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4803 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4805 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4807 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4809 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4811 PR rtl-optimization/26235
4812 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4813 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4816 2006-02-13 Jeff Law <law@redhat.com>
4818 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4821 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4824 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4825 twice if decl is a builtin. When trying again, call get_callee_fndecl
4826 first to verify it is still a builtin.
4828 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4830 * dwarf2out.c (base_type_die): Don't add AT_name here.
4831 (subrange_type_die): Don't add AT_name here.
4832 (modified_type_die): Rearrange code flow. Do add AT_name here.
4834 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4836 PR rtl-optimization/26247
4837 PR rtl-optimization/26248
4838 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4840 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4842 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4843 * config/fixtfdi.c: Likewise.
4844 * config/fixunstfdi.c: Likewise.
4845 * config/floatditf.c: Likewise.
4847 2006-02-13 Roger Sayle <roger@eyesopen.com>
4850 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4851 into (X,C2) if C1 is a subset of the bits of C2. Transform
4852 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4854 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4856 2006-02-13 Josh Conner <jconner@apple.com>
4859 * varasm.c (function_section): Check for section name before
4860 calling select_section on targets that define
4861 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4862 unlikely_text_section instead of hot_function_section if
4863 first_function_block_is_cold.
4865 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4868 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4870 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4872 PR rtl-optimization/26222
4873 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4874 after tree->rtl expansion.
4875 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4876 before passing it to emit_move_insn.
4878 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4880 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4882 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4883 Clarify documentation.
4884 * c-common.h (warn_write_strings): Remove.
4885 * c-common.c (warn_write_strings): Likewise.
4886 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4889 2006-02-12 Roger Sayle <roger@eyesopen.com>
4892 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4893 (do_jump_parts_zero_rtx): New function renamed from
4894 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4895 (do_jump_parts_equality_rtx): New function split out from
4896 do_jump_parts_equality. Old implementation renamed as above.
4897 Call do_jump_parts_zero_rtx if either operand is zero.
4898 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4899 do all of the heavy lifting.
4900 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4901 calling either do_jump_by_parts_greater_rtx or
4902 do_jump_by_parts_equality_rtx.
4903 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4904 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4905 moved to do_compare_rtx_and_jump, call it directly.
4906 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4907 mode argument. Call do_compare_rtx_and_jump.
4908 (emit_case_nodes): Update calls to do_jump_if_equal.
4910 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4912 PR rtl-optimization/26225
4913 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4915 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4917 PR rtl-optimization/26232
4918 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4920 2006-02-11 Jason Merrill <jason@redhat.com>
4923 * tree-inline.c (declare_return_variable): Just don't use the
4924 modify target if it's a gimple complex reg and the return slot
4927 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4929 * doc/contrib.texi: Update my entry.
4931 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4933 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4935 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4937 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4940 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4942 * doc/invoke.texi (-floop-optimize2): Removed.
4943 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4944 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4945 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4946 * common.opt (floop-optimize2): Removed.
4947 (fmove-loop-invariants): Enabled by default.
4949 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4951 * tree-if-conv.c (combine_blocks): Free the result of
4952 get_loop_exit_edges.
4954 2006-02-10 Jeff Law <law@redhat.com>
4956 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4958 PR tree-optimization/26213
4959 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4960 loop trying to follow SSA_NAME_VALUE chains.
4962 2006-02-10 Richard Guenther <rguenther@suse.de>
4964 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4965 deal with structures that end in implicitly variable sized arrays.
4967 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4969 PR rtl-optimization/24762
4970 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4973 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4975 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4976 (struct ivopts_data): Add regs_used field.
4977 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4978 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4979 instead of loop_data->regs_used;
4980 (free_loop_data): Do not free aux fields for loops.
4981 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4982 and tree_ssa_iv_optimize_finalize.
4984 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4986 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4988 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4991 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4992 computing the effective result type.
4994 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4997 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4998 (tree_overlaps_hard_reg_set): Declare.
4999 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5000 type and signature to match function type expected by walk_tree.
5001 (tree_overlaps_hard_reg_set): New function.
5002 (decl_conflicts_with_clobbers_p): Rename to:
5003 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5004 Use tree_overlaps_hard_reg_set. Changed caller.
5005 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5006 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5007 * cris.c (cris_md_asm_clobbers): Likewise.
5009 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5011 * reload1.c (emit_input_reload_insns): Delete code that tries to
5012 inherit using find_equiv_reg.
5014 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5016 * c-common.h (flag_const_strings): Don't declare.
5017 * c-common.c (flag_const_strings): Remove.
5018 * c.opt (fconst_strings): Remove.
5019 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5020 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5021 (c_common_init_options): Don't set flag_const_strings.
5022 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5024 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5026 * arm.md (tlobits_cbranch): New pattern.
5027 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5028 testing a single bit.
5030 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5033 * tree-ssa-pre.c (create_component_ref_by_pieces):
5034 Handle RETURN_DECL like VAR_DECL.
5036 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5039 * fold-const.c (fold_indirect_ref_1): Fold
5040 "*(foo *)&complexfoo" to "__real__ complexfoo"
5041 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5043 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5045 * tree-flow-inline.h (var_can_have_subvars):
5046 Volatile variables should not have subvariables.
5048 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5051 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5052 multiplying unsigned values.
5055 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5057 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5059 2006-02-08 Jason Merrill <jason@redhat.com>
5062 * tree.def: Elaborate on difference from MODIFY_EXPR.
5063 * doc/c-tree.texi (INIT_EXPR): Likewise.
5064 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5065 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5066 (gimplify_target_expr): Likewise.
5067 (gimplify_cond_expr): Remove target handling.
5068 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5069 (gimplify_expr): Clobber it here.
5070 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5071 Do return slot optimization if we have an INIT_EXPR.
5074 * tree-inline.c (declare_return_variable): Also clear
5075 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5078 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5081 * gimplify.c (gimplify_one_sizepos): Fix typo.
5083 2006-02-08 Jeff Law <law@redhat.com>
5085 PR tree-optimization/21417
5086 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5087 across a backedge if the control statement at the end of the
5088 block is data dependent on other statements in the same block.
5089 (record_temporary_equivalences_from_stmts): Remove over-conservative
5090 test for threading across backedges.
5092 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5093 control statement, handle all three special cases in the same
5094 manner as they all have the same desired solution. No longer
5095 special case edge flag updating when the post dominator is
5098 2006-02-08 Roger Sayle <roger@eyesopen.com>
5100 * tree.def (CHAR_TYPE): Remove.
5101 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5102 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5103 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5104 (gen_string_type_die): Delete unreachable function.
5106 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5107 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5108 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5109 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5110 * builtins.c (type_to_class): Likewise.
5111 * fold-const.c (fold_convert, build_range_check,
5112 merge_ranges): Likewise.
5113 * expr.c (count_type_elements): Likewise.
5114 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5115 * stor-layout.c (layout_type): Likewise.
5116 * ipa-type-escape.c (type_to_consider): Likewise.
5117 * gimplify.c (omp_firstprivatize_type_sizes,
5118 gimplify_type_sizes): Likewise.
5119 * explow.c (promote_mode): Likewise.
5120 * tree-sra.c (is_sra_scalar_type): Likewise.
5121 * varasm.c (output_constant): Likewise.
5122 * tree-inline.c (remap_type_1): Likewise.
5123 * convert.c (convert_to_pointer, convert_to_real,
5124 convert_to_integer, convert_to_complex): Likewise.
5126 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5128 * df-scan.c (df_def_record_1): A set destination may
5129 be a parallel regardless of mode.
5131 2006-02-08 Roger Sayle <roger@eyesopen.com>
5134 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5135 * config/mips/_tilib.c: Remove.
5136 * config/fixtfdi.c: New libgcc source file.
5137 * config/fixunstfdi.c: New source file.
5138 * config/floatditf.c: New source file.
5139 * config/floatunditf.c: New souce file.
5140 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5141 files above instead of config/mips/_tilib.c.
5142 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5144 2006-02-08 Jeff Law <law@redhat.com>
5146 PR tree-optimization/26169
5147 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5150 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5152 * df.h (DF_REG_SIZE): Return the length of the initialized
5155 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5157 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5158 __muldf3): Return a correctly signed zero.
5160 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5162 * passes.c (register_one_dump_file): Accept the current properties
5163 instead of pass number. Adjust call to dump_register. Remove
5165 (register_dump_files): Now a wrapper around...
5166 (register_dump_files_1): ... this one. Do not modify the pass
5168 (next_pass_1): Cosmetic fix.
5169 (execute_todo): Keep second parameter only. Use curr_properties
5170 instead of fetching it from the pass structure. Check and set
5172 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5173 instead of fetching it from the pass structure. Fix calls to
5174 execute_todo. Update curr_properties and initialize .vcg RTL dump
5175 after running the pass. Reset last_verified.
5176 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5178 (FIRST_AUTO_NUMBERED_DUMP): New.
5179 (dump_register): Remove "num" parameter, assign it within the
5181 (get_dump_file_name): Modify template for dumps.
5182 * tree-dump.h (dump_register): Adjust prototype.
5183 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5184 (PROP_trees): Add PROP_gimple_lomp.
5185 (TODO_set_props): New.
5186 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5187 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5188 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5190 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5192 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5193 (sparc64-*-linux*): Likewise.
5194 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5195 * config/sparc/t-linux: New file.
5196 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5197 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5198 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5199 -m32 -mlong-double-128.
5201 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5202 * config/alpha/t-linux: New file.
5203 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5205 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5206 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5207 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5208 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5209 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5210 (CPP_ARCH32_SPEC): Remove.
5212 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5214 PR tree-optimization/26145
5215 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5218 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5221 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5222 >= 240000 when generating code for SOM runtime.
5223 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5224 to $$dyncall when generating code for SOM runtime..
5226 2006-02-07 Dirk Mueller <dmueller@suse.com>
5229 * doc/invoke.texi (-Wsequence-point): Update documentation
5230 that -Wsequence-point is implemented for C++ as well.
5232 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5234 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5235 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5236 (LIB_SPEC): Likewise.
5237 * doc/invoke.texi (SPARC options): Document -pthread.
5239 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5241 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5244 2006-02-07 Roger Sayle <roger@eyesopen.com>
5246 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5247 Correct comment describing BOOLEAN_TYPE.
5249 2006-02-07 Dirk Mueller <dmueller@suse.com>
5251 * c.opt: C++ frontend supports -Wdiv-by-zero.
5252 * c-opts.c (c_common_handle_option): Remove dead case.
5254 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5256 * configure.ac (TLS assembler check): Do not enable TLS by
5257 default on SPARC/Solaris before version 10.
5258 * configure: Regenerate.
5260 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5262 * doc/invoke.texi (xl-compat): Document conversion and support
5265 2006-02-07 Jeff Law <law@redhat.com>
5267 * tree-vrp.c (find_conditional_asserts): Update comments.
5268 (simplify_stmt_for_jump_threading): New.
5269 (identify_jump_threads, finalize_jump_threads): New.
5270 (vrp_finalize): Call identify_jump_threads.
5271 (execute_vrp): Call finalize_jump_threads.
5272 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5273 (vrp_element, vrp_data, vrp_element_p): Remove.
5274 (vrp_hash_elt, vrp_variables_stack): Remove.
5275 (vrp_hash, vrp_eq, record_range): Remove.
5276 (simplify_cond_and_lookup_avail_expr): Remove.
5277 (extract_range_from_cond): Remove.
5278 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5279 (simplify_stmt_for_jump_threading): New.
5280 (dom_thread_across_edge): New wrapper.
5281 (tree_ssa_dominator_optimize): No longer initialize or
5282 finalize any of the VRP datastructures. Remove iteration
5283 step and simplify as a result of removal of iteration step.
5284 (pass_dominator): Perform a cfg cleanup after DOM.
5285 (dom_opt_finalize_block): Use the new common routines
5286 for threading jumps. Simplify stack management slightly.
5287 No longer need to unwind VRP state.
5288 (record_equivalences_from_incoming_edge): No longer record
5290 (eliminate_redundant_computations): No longer call
5291 simplify_cond_and_lookup_avail_expr.
5292 * tree-flow.h (potentially_threadable_block): Prototype.
5293 (thread_across_edge): Likewise.
5294 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5295 (tree-ssa-threadedge.o): Add dependencies.
5296 * tree-ssa-threadedge.c: New file.
5297 * passes.c (init_optimization_passes): Merge PHIs before
5298 calling VRP. Run VRP again late in the SSA optimization pipeline.
5300 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5302 * df-core.c (df_set_blocks): Do not dereference function pointers.
5303 (df_finish1): Likewise.
5304 (df_hybrid_search_forward): Likewise.
5305 (df_hybrid_search_backward): Likewise.
5306 (df_iterative_dataflow): Likewise.
5307 (df_analyze_problem): Likewise.
5308 (df_compact_blocks): Likewise.
5309 (df_dump): Likewise.
5310 * df-scan.c (df_rescan_blocks): Likewise.
5311 (df_record_entry_block_defs): Likewise.
5313 * genconditions.c (write_conditions): Guard the definition of
5314 'insn_conditions' with the check on GCC version.
5315 (write_writer): Guard the traversal 'insn_conditions' with
5316 the check on GCC version.
5318 2006-02-07 Richard Guenther <rguenther@suse.de>
5322 2006-01-30 Richard Guenther <rguenther@suse.de>
5324 * gimplify.c (gimplify_target_expr): Handle easy cases
5325 without creating a temporary.
5327 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5329 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5330 use of float in probability computations. Use edge probabilities
5331 in place of statically computed probabilities.
5332 (min_spec_prob): New static variable.
5333 (schedule_insns): Initialize it.
5334 (GET_SRC_PROB): Removed.
5335 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5337 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5340 * config/ia64/unwind-ia64.c: Revert last change.
5341 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5342 (INCOMING_FRAME_SP_OFFSET): Define.
5344 2006-02-06 Roger Sayle <roger@eyesopen.com>
5346 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5348 2006-02-07 Ben Elliston <bje@au.ibm.com>
5350 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5351 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5352 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5353 (ix86_return_in_memory): Handle TDmode.
5354 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5355 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5357 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5359 * reorg.c (dbr_schedule): Use dump_file instead of file.
5361 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5364 * config/ia64/predicates.md (extr_len_operand): New predicate.
5365 * config/ia64/ia64.md (extv): Tighten constraints.
5367 (*tbit_and_2): Ditto.
5368 (*tbit_and_3): Ditto.
5369 (*tbit_or_2): Ditto.
5370 (*tbit_or_3): Ditto.
5374 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5377 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5379 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5381 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5382 loop_optimizer_init and loop_optimizer_finalize
5383 * tree-ssa-sink.c (execute_sink_code): Ditto.
5384 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5385 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5386 tree_ssa_loop_done): Ditto.
5387 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5388 * sched-ebb.c: Include output.h.
5389 (schedule_ebbs): Do not use dump argument.
5390 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5391 * loop.c (loop_dump_stream): Removed.
5392 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5394 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5395 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5396 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5397 loop_iterations, strength_reduce, record_biv, record_giv,
5398 final_giv_value, check_final_value, check_ext_dependent_givs,
5399 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5400 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5401 dump_file instead of loop_dump_stream.
5402 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5404 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5406 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5407 * haifa-sched.c: Include output.h
5408 (schedule_insns, sched_init): Do not use dump argument.
5409 * mode-switching.c (optimize_mode_switching): Ditto.
5410 * modulo-sched.c (stats_file): Removed.
5411 (print_node_sched_params): Do not call argument dump_file.
5412 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5413 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5415 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5417 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5418 rtl_loop_init, rtl_loop_done): Ditto.
5419 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5420 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5422 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5423 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5424 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5425 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5426 * emit-rtl.c (renumber_insns): Ditto.
5427 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5428 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5429 * regclass.c (regclass): Ditto.
5430 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5431 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5432 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5433 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5435 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5436 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5438 * gcse.c (gcse_file, debug_stderr): Removed.
5439 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5440 rest_of_handle_gcse): Do not use dump argument.
5441 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5442 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5443 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5444 compute_code_hoist_vbeinout, compute_code_hoist_data,
5445 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5446 compute_store_table, build_store_vectors, insert_insn_start_bb,
5447 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5448 store_motion): Use dump_file instead of gcse_file.
5449 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5450 * profile.c (profile_dump_file): Removed.
5451 (branch_prob): Use dump_file instead of profile_dump_file.
5452 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5454 * tree-ssa-copy.c (dump_copy_of): Ditto.
5455 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5456 dump file to life_analysis.
5457 * bt-load.c (branch_target_load_optimize): Ditto.
5458 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5460 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5461 regclass, dbr_schedule): Declaration changed.
5462 * sched-int.h (sched_init): Declaration changed.
5463 * tree-profile.c (tree_profile_dump_file): Removed.
5464 (tree_profile_hooks): Removed profile_dump_file hook.
5465 * rtl-profile (rtl_profile_dump_file): Removed.
5466 (rtl_profile_hooks): emoved profile_dump_file hook.
5467 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5469 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5470 * tree-cfg.c (build_tree_cfg): Ditto.
5471 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5472 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5473 Declaration changed.
5474 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5475 life_analysis and schedule_insns.
5476 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5478 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5480 * config/mips/mips.c (mips_reorg): Ditto.
5481 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5484 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5486 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5487 (s390_mangle_fundamental_type): New.
5488 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5491 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5492 (alpha_mangle_fundamental_type): New.
5493 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5496 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5498 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5500 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5501 (sparc_mangle_fundamental_type): New.
5503 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5505 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5506 (s390x-*-linux*): Likewise.
5507 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5508 * config/s390/t-linux: New file.
5510 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5512 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5513 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5515 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5517 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5518 (ANTIC_SAFE_LOADS): New macro.
5519 (find_or_generate_expression): Add prototype.
5520 (set_contains_value): Allow null set for sake of not always having
5521 to allocate ANTIC_SAFE_LOADS.
5522 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5523 Allow COMPONENT_REF too.
5524 (valid_in_set): Allow COMPONENT_REF.
5525 Check ANTIC_SAFE_LOADS too.
5526 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5527 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5529 (can_PRE_operation): Add COMPONENT_REF.
5530 (create_component_ref_by_pieces): New function.
5531 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5532 (insert_aux): Move AGGREGATE_TYPE_P check here.
5533 (compute_avail): Set bb local stmt uids.
5534 (pass_pre): Use TODO_update_ssa_only_virtuals.
5536 2006-02-06 Ben Elliston <bje@au.ibm.com>
5538 * configure.ac: Unconditionally disable decimal float by default.
5539 * configure: Regenerate.
5541 2006-02-06 Ben Elliston <bje@au.ibm.com>
5543 * read-rtl.c (read_name): Terminate reading on EOF.
5545 2006-02-06 Ben Elliston <bje@au.ibm.com>
5547 * dfp.c (decimal_real_arithmetic): Change second argument type
5548 from int to enum tree_code. Do not always return true, but now
5549 return result of any call to decimal_do helper functions.
5550 * dfp.h (decimal_real_arithmetic): Update prototype.
5552 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5554 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5556 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5559 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5562 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5564 * tree-vrp.c (cfg_loops): Removed.
5565 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5566 Use current_loops instead of cfg_loops. Pass flags to
5567 loop_optimizer_init.
5568 * cfgloopmanip.c (fix_loop_structure): Update only available
5570 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5571 loop_optimizer_init.
5572 * modulo-sched.c (build_loops_structure): Removed.
5573 (sms_schedule): Use loop_optimizer_init.
5574 * loop-init.c (loop_optimizer_init): Use flags to determine
5575 which properties of loops to prepare.
5576 (rtl_loop_init): Pass flags to loop_optimizer_init.
5577 * tree-ssa-sink.c (execute_sink_code): Ditto.
5578 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5579 * tree-ssa-pre.c (init_pre): Ditto.
5580 * cfgloop.h (LOOPS_NORMAL): New.
5581 (loop_optimizer_init): Declaration changed.
5583 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5585 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5586 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5588 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5590 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5592 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5593 * pa/t-pa64: Delete quadlib.c rule.
5594 * pa/x-ada: Revert last change.
5595 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5597 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5599 PR rtl-optimization/26087
5600 * rtlanal.c (canonicalize_condition): Do not cross basic block
5603 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5606 * config/ia64/ia64.c: Include debug.h.
5607 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5608 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5609 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5610 (process_epilogue, process_set, process_for_unwind_directive):
5611 Output unwind info only if requested. Add CFA info if requested.
5612 Add new arguments as needed. Adjust callers.
5613 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5615 (DWARF2_FRAME_INFO): Define to zero.
5616 * config/ia64/unwind-ia64.c: Remove code that compensated for
5617 the CFA offset error fixed above.
5618 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5619 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5620 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5621 -funwind-tables and -fexceptions to enable frame info.
5622 (dwarf2out_frame_init): Define initial CFA even if
5623 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5624 DWARF2_UNWIND_INFO is nonzero, not just defined.
5625 (dwarf2out_frame_finish): Output non-EH call frame info only
5626 if DWARF2_FRAME_INFO is nonzero.
5627 (convert_cfa_to_loc_list,
5628 compute_frame_pointer_to_cfa_displacement): Define even if
5629 unwind info is not supported.
5630 (gen_subprogram_die): Use the above unconditionally. Remove
5631 legacy alternate code.
5632 * toplev.c (compile_file): Compile in call to
5633 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5634 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5636 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5637 Jakub Jelinek <jakub@redhat.com>
5639 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5640 IBM extended float format long double as "g" on powerpc*-linux.
5642 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5645 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5646 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5648 2006-02-03 Jason Merrill <jason@redhat.com>
5651 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5654 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5655 on the return slot if it's an NRV.
5657 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5659 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5660 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5661 rewrite_use): Do not handle USE_OUTER.
5662 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5663 add_iv_outer_candidates, may_replace_final_value,
5664 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5665 (find_interesting_uses_op): Functionality of
5666 find_interesting_uses_outer_or_nonlin moved here.
5667 (find_interesting_uses_outside): Use find_interesting_uses_op.
5669 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5672 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5674 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5675 Ulrich Weigand <uweigand@de.ibm.com>
5678 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5679 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5680 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5681 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5683 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5684 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5685 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5686 Define secondary reloads for TFmode moves.
5687 (constant_modes): Add TFmode.
5688 (NR_C_MODES): Set to 8.
5689 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5691 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5692 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5693 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5694 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5695 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5696 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5697 (FPR mode macro): Add TFmode.
5698 (DSF mode macro): New.
5699 (<de>, <dee> mode attributes): Removed.
5700 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5701 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5702 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5703 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5704 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5705 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5706 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5707 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5708 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5709 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5710 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5711 "*negabs<mode>2", "sqrt<mode>2"):
5712 Changed <de> to <xde>. R constraint replaced by <Rf>.
5713 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5715 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5716 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5717 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5719 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5720 "extenddftf2", "extendsftf2"): New expanders.
5721 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5722 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5723 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5724 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5726 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5727 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5728 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5729 __floatditf): Add a GCC_4.1.0 symbol version tag.
5730 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5733 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5736 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5737 Use targetm.binds_local_p instead of TREE_PUBLIC.
5739 2006-02-02 Roger Sayle <roger@eyesopen.com>
5741 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5742 on INTEGER_TYPEs to indicate that it denotes a character type.
5743 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5744 signed_char_type_node, unsigned_char_type_node and char_type_node.
5745 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5746 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5747 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5749 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5750 Daniel Berlin <dberlin@dberlin.org>
5752 * tree-tailcall.c (arg_needs_copy_p): New function.
5753 (eliminate_tail_call): Use arg_needs_copy_p.
5754 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5755 (add_virtual_phis): New function.
5757 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5759 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5760 #ignore instead of #scratch for %g7 .register directive.
5762 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5764 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5767 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5769 * flow.c (calculate_global_regs_live): Assert that there aren't any
5772 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5774 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5776 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5777 bsi_after_labels iterator.
5778 * tree-if-conv.c (find_phi_replacement_condition,
5779 replace_phi_with_cond_modify_expr): Likewise.
5780 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5781 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5783 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5785 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5787 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5790 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5791 array after growing it.
5793 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5796 * fold-const.c (fold_checksum_tree): Change type of buf.
5798 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5800 * reload.c (push_secondary_reload): Initialize t_icode.
5802 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5804 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5805 -msoft-float -mlong-double-128 only issue a warning, but don't
5806 swich to DFmode long double.
5808 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5810 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5811 has a constant equivalent, iterate over equivalents for arg0,
5812 calling simplify_relational_operation and if there's a result
5813 cheaper than X, apply fold_rtx and return the result.
5815 2006-02-01 Jan Hubicka <jh@suse.cz>
5817 * opts.c (no_unit_at_a_time_default): New global variable.
5818 (decode_options): Use it.
5819 * opts.h (no_unit_at_a_time_default): Declare.
5821 2006-02-01 Paul Brook <paul@codesourcery.com>
5823 * function.c (assign_parm_setup_reg): Use function argument promotion
5825 * expr.c (expand_expr_real_1): Use function argument promotion rules
5828 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5830 * gcc.c (process_command): Change j to 'unsigned int'.
5832 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5835 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5836 Use the corrected index for the character
5837 out of the string constant.
5839 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5841 * mode-switching.c (optimize_mode_switching): Fix size
5842 allocated for bb_info[n_entities].
5844 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5846 * gcc.c (main): Correct type that is allocated for
5847 explicit_link_files.
5849 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5851 * config/s390/s390.c (init_alignment_context): Set
5852 ALIAS_SET_MEMORY_BARRIER on the MEM.
5853 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5855 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5858 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5860 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5863 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5865 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5866 * regrename.c: Ditto.
5867 * tree-ssa-loop-im.c: Ditto.
5868 * tree-dump.c: Ditto.
5869 * tree-complex.c: Ditto.
5870 * genrecog.c: Ditto.
5871 * tree-ssa-threadupdate.c: Ditto.
5873 * java/class.c: Ditto.
5874 * java/jcf-parse.c: Ditto.
5875 * java/resource.c: Ditto.
5876 * java/except.c: Ditto.
5877 * java/jvspec.c: Ditto.
5878 * java/jcf-write.c: Ditto.
5879 * java/jcf-path.c: Ditto.
5880 * java/gjavah.c: Ditto.
5881 * java/zextract.c: Ditto.
5882 * java/jcf-io.c: Ditto.
5883 * java/jcf.h: Ditto.
5884 * java/buffer.c: Ditto.
5885 * java/lang.c: Ditto.
5886 * java/parse-scan.y: Ditto.
5887 * java/lex.c: Ditto.
5888 * java/lex.h: Ditto.
5889 * cfgloopmanip.c: Ditto.
5890 * postreload-gcse.c: Ditto.
5891 * tree-ssa-loop-manip.c: Ditto.
5892 * postreload.c: Ditto.
5893 * tree-ssa-loop-ch.c: Ditto.
5897 * diagnostic.c: Ditto.
5899 * genoutput.c: Ditto.
5901 * cfghooks.c: Ditto.
5902 * cfgloopanal.c: Ditto.
5903 * objc/objc-act.c: Ditto.
5905 * genextract.c: Ditto.
5906 * genautomata.c: Ditto.
5907 * pretty-print.c: Ditto.
5909 * cgraphunit.c: Ditto.
5912 * haifa-sched.c: Ditto.
5913 * dominance.c: Ditto.
5915 * tree-ssa-loop-ivopts.c: Ditto.
5917 * mode-switching.c: Ditto.
5918 * modulo-sched.c: Ditto.
5920 * ipa-pure-const.c: Ditto.
5922 * fix-header.c: Ditto.
5924 * tree-stdarg.c: Ditto.
5925 * ipa-utils.c: Ditto.
5926 * loop-init.c: Ditto.
5927 * ipa-inline.c: Ditto.
5930 * alloc-pool.c: Ditto.
5931 * dwarf2out.c: Ditto.
5933 * genattrtab.c: Ditto.
5934 * tree-ssa-loop-ivcanon.c: Ditto.
5938 * fortran/gfortranspec.c: Ditto.
5940 * local-alloc.c: Ditto.
5941 * langhooks.c: Ditto.
5942 * function.c: Ditto.
5943 * tree-vectorizer.c: Ditto.
5945 * ipa-type-escape.c: Ditto.
5947 * tree-if-conv.c: Ditto.
5950 * tree-data-ref.c: Ditto.
5951 * loop-unroll.c: Ditto.
5952 * treelang/treetree.c: Ditto.
5955 * ggc-common.c: Ditto.
5957 * coverage.c: Ditto.
5959 * tree-cfgcleanup.c: Ditto.
5960 * tree-ssa-pre.c: Ditto.
5961 * cfgcleanup.c: Ditto.
5962 * loop-invariant.c: Ditto.
5964 * ipa-prop.c: Ditto.
5965 * print-tree.c: Ditto.
5966 * conflict.c: Ditto.
5967 * ggc-page.c: Ditto.
5968 * sched-deps.c: Ditto.
5969 * regclass.c: Ditto.
5970 * tree-object-size.c: Ditto.
5972 * bb-reorder.c: Ditto.
5973 * resource.c: Ditto.
5974 * var-tracking.c: Ditto.
5976 * df-problems.c: Ditto.
5977 * reg-stack.c: Ditto.
5980 * sched-rgn.c: Ditto.
5981 * tree-ssa-structalias.c: Ditto.
5982 * tree-ssa-reassoc.c: Ditto.
5983 * config/darwin-c.c: Ditto.
5984 * config/darwin.c: Ditto.
5985 * config/arm/arm.c: Ditto.
5987 * collect2.c: Ditto.
5990 2006-01-31 Nicolas Pitre <nico@cam.org>
5992 * arm.md (smaxsi3): Make aware of smax_m1.
5995 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5997 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5999 2006-01-31 Richard Guenther <rguenther@suse.de>
6001 * doc/invoke.texi (-msselibm): Document.
6002 * target.h (expand_library_builtin): New target hook.
6003 * builtins.c (expand_builtin): Use expand_library_builtin.
6004 (default_expand_library_builtin): New function.
6005 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6006 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6007 (link_gcc_math_spec): Declare.
6008 (static_specs): Add link_gcc_math_spec.
6009 * expr.h (default_expand_library_builtin): Declare.
6010 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6011 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6012 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6013 * config/i386/i386.opt (msselibm): New target option.
6014 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6015 (ix86_init_sse_abi_builtins): New function.
6016 (ix86_expand_library_builtin): Likewise.
6017 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6018 (override_options): Handle error conditions wrt -msselibm.
6019 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6020 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6021 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6024 2006-01-31 Richard Guenther <rguenther@suse.de>
6025 Paolo Bonzini <bonzini@gnu.org>
6027 * doc/install.texi (--disable-libgcc-math): Document.
6029 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6031 * expr.h (expand_normal): new inline function.
6032 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6034 * dwarf2out.c: use it.
6039 * config/sparc/sparc.c: use it.
6040 * config/i386/i386.c: use it.
6041 * config/rs6000/rs6000.c: use it.
6042 * config/arm/arm.c: use it.
6043 * config/mips/mips.c: use it.
6044 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6046 2006-01-30 Roger Sayle <roger@eyesopen.com>
6048 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6049 argv to the appropriate type.
6051 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6053 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6056 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6059 * config/s390/s390.c (struct machine_function): New flag
6060 decomposed_literal_pool_addresses_ok_p.
6061 (s390_reorg): Set it before final stage of literal pool transforms.
6062 (s390_decompose_address): Only accept displacements of the form
6063 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6065 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6067 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6068 the comparison routine return.
6070 2006-01-30 Michael Matz <matz@suse.de>
6072 * global.c (find_reg): Only evict for global regs.
6073 Take n_refs into account and dump more info.
6075 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6078 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6079 (pragma_trap, pragma_nosave_low_regs): Likewise.
6080 (current_function_anonymous_args): Likewise.
6081 (sh_deferred_function_attributes): New variable.
6082 (sh_deferred_function_attributes_tail): Likewise.
6083 (print_operand): For '@', look up trap_exit attribute.
6084 (calc_live_regs): Look up trapa_handler attribute. For trapa
6085 handlers, save/restore fpscr, but don't do any other
6086 interrupt-specific saves.
6087 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6088 Fix check for partially saved registers to check for SHmedia.
6089 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6090 (sh_output_function_epilogue): Don't clear any of the removed
6092 (sh_insert_attributes): Don't check pragma_interrupt.
6093 Insert deferred attributes. Check that interrupt attribute is
6094 present for other attributes that require its presence.
6095 (sh_attribute_table): Add new attributes trapa_handler and
6097 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6098 Don't check for pragma_interrupt. Don't store argument.
6099 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6100 (sh_deferred_function_attributes): Declare.
6101 (sh_deferred_function_attributes_tail): Likewise.
6102 * sh.md (sp_switch_1): Add operand. Change generator caller.
6103 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6104 (*return_i): Don't use when trap_exit attribute is in effect.
6105 (*return_trapa): New insn pattern.
6107 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6108 setting c_target_objs and cxx_target_objs.
6109 * t-sh: Add rule for sh-c.o.
6111 2006-01-30 Richard Guenther <rguenther@suse.de>
6114 * gimplify.c (gimplify_target_expr): Handle easy cases
6115 without creating a temporary.
6117 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6119 * vec.h (safe_grow): Remove duplicated line.
6121 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6124 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6125 (expand_omp): ... here.
6126 (expand_omp_parallel): Only remove barriers for combined
6127 parallel+workshare constructs.
6129 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6133 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6134 * tree.c (build_qualified_type): Chain the new type to the original
6135 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6136 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6137 (build_pointer_type_for_mode): Only return unqualified types.
6138 (build_reference_type_for_mode): Likewise.
6140 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6142 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6143 * Makefile.in (CXX_COMPAT_WARN): Define.
6144 * configure: Regenerate.
6146 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6149 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6152 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6154 * toplev.c: Fix thinko.
6156 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6157 Marcin Dalecki <martin@dalecki.de>
6159 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6160 (push_srcloc): Use XNEW.
6161 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6163 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6165 * df-core.c (df_set_blocks): Deleted all variable.
6167 2006-01-28 Ian Lance Taylor <ian@airs.com>
6169 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6170 cgraph_output_pending_asms.
6172 2006-01-28 Zack Weinberg <zackw@panix.com>
6174 * c.opt: Add -W(no-)overlength-strings.
6175 * doc/invoke.texi: Document it.
6176 * c-opts.c (c_common_handle_option): -pedantic implies
6177 -Woverlength-strings, if not explicitly disabled already.
6178 (c_common_post_options): -Woverlength-strings defaults to off, and
6179 is always off for C++.
6180 * c-common.c (fix_string_type): Issue warning about strings longer
6181 than is portable only if warn_overlength_strings. Rearrange code
6182 a little for clarity.
6183 * configure.in: Check for -Wno-overlength-strings as well before
6184 enabling -pedantic in stage 1.
6185 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6186 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6188 * genconditions.c (write_header, write_one_condition)
6189 (write_conditions, write_writer): Consolidate very long strings
6190 that were broken up to fit in C89 portable limit. Don't use
6191 printf when fputs will do.
6193 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6195 * combine.c (simplify_comparison <AND>): Check
6196 TRULY_NOOP_TRUNCATION before start using a subreg.
6198 * config/mips/mips.md (*branch_zero<mode>,
6199 *branch_zero<mode>_inverted, *branch_equality<mode>,
6200 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6201 Remove mode check from comparisons.
6203 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6205 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6207 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6209 * expmed.c (const_mult_add_overflow_p): Remove.
6210 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6212 * recog.c (validate_replace_rtx_subexp): Remove.
6213 * recog.h: Remove the prototype for
6214 validate_replace_rtx_subexp.
6216 * integrate.h: Remove the prototype for
6217 copy_decl_for_inlining.
6218 * rtl.h: Remove the prototype for mark_constant_function.
6219 * tree-vectorizer.h: Remove the prototype for
6220 vect_strip_conversion.
6222 * modulo-sched.c (create_partial_schedule,
6223 free_partial_schedule, reset_partial_schedule): Make them
6226 * hooks.c (hook_bool_rtx_int_false): Remove.
6227 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6229 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6231 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6232 and -mlong-double-128 are incompatible.
6233 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6234 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6235 (TARGET_LIBGCC2_CFLAGS): Define.
6236 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6237 (TARGET_LIBGCC2_CFLAGS): Same.
6238 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6240 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6243 * c-typeck.c (build_binary_op): Perform implicit casts of
6244 operands before shortening them.
6246 * cfgloopmanip.c (split_loop_bb): Remove.
6247 * cfgloop.h: Remove the prototype for split_loop_bb.
6249 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6250 * cfgloop.h: Remove the prototype for
6251 flow_loop_outside_edge_p.
6253 * emit-rtl.c (init_virtual_regs): Make it static.
6254 * function.h: Remove the prototype for init_virtual_regs.
6256 * recog.c (peephole2_optimize): Make it static.
6257 * recog.h: Remove the prototype for peephole2_optimize.
6259 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6261 * df-scan.c (df_record_entry_block_defs): Check if
6262 INCOMING_RETURN_ADDR_RTX is defined.
6264 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6265 Kenneth Zadeck <zadeck@naturalbridge.com>
6267 PR rtl-optimization/24762
6268 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6269 * targhooks.c (hook_void_bitmap): New hook prototype.
6270 * targhoohs.h (hook_void_bitmap): Ditto.
6271 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6272 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6273 * target.h (live_on_entry): New function pointer.
6274 * df-scan.c (df_all_hard_regs): Removed.
6275 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6276 (df_scan_free_internal): Added df->entry_block_defs.
6277 (df_scan_alloc): Ditto.
6278 (df_scan_dump): Ditto.
6279 (df_uses_record): Plumbed flag field properly thru calls.
6280 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6281 This part fixes PR24762.
6282 (df_bb_refs_record): Added code to make the frame and arg
6283 pointers live in EH blocks.
6284 (df_refs_record): Added call to df_record_entry_block_defs.
6285 (df_record_entry_block_defs): New function.
6286 * df-core.c: Added comments to describe new artifical defs.
6287 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6288 (entry_block_defs): New field in struct df.
6289 (df_all_hard_regs): Deleted.
6290 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6291 * df-problems.c (df_ru_bb_local_compute_process_def):
6292 Added code to handle artifical defs in the entry to a function.
6293 (df_ru_bb_local_compute): Ditto.
6294 (df_rd_bb_local_compute_process_def): Ditto.
6295 (df_rd_bb_local_compute): Ditto.
6296 (df_lr_bb_local_compute): Ditto.
6297 (df_ur_bb_local_compute): Ditto.
6298 (df_urec_bb_local_compute): Ditto.
6299 (df_chain_create_bb): Ditto.
6300 (df_ur_local_finalize): Removed entry.
6301 (df_urec_init): Ditto.
6302 (df_urec_local_finalize): Ditto.
6303 (df_ri_bb_compute): Added detection of last use of pseudos.
6304 * Makefile.in (df-scan.o): Updated dependencies.
6305 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6306 * config/mips/mips.c (mips_set_live_on_entry): Added.
6307 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6309 * dce.c (marked_insn_p): Added code to handle artifical defs.
6311 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6313 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6315 (_mm_cvtsi128_si64): Likewise.
6316 (_mm_cvtsd_si64): Likewise.
6317 (_mm_cvttsd_si64): Likewise.
6318 (_mm_cvtsi64_sd): Likewise.
6319 (_mm_cvtsi64_si128): Likewise.
6320 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6321 (_mm_cvtsi64_m64): Likewise.
6322 (_m_to_int64): Likewise.
6323 (_mm_cvtm64_si64): Likewise.
6324 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6325 (_mm_cvttss_si64): Likewise.
6326 (_mm_cvtsi64_ss): Likewise.
6327 (_mm_cvtss_f32): Likewise.
6329 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6331 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6332 for pragma redefine_extname.
6334 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6337 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6338 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6339 -mno-minimal-toc to previous content.
6340 (bispecs): Remove goal.
6341 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6342 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6343 compatibility aliases on powerpc-*-*gnu*.
6344 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6345 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6346 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6347 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6348 (ldblspecs): New goal.
6349 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6350 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6352 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6353 L_sf_to_tf or L_df_to_tf is defined.
6355 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6356 Alan Modra <amodra@bigpond.net.au>
6359 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6360 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6361 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6362 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6363 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6364 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6365 (rs6000_override_options): Initialize rs6000_ieeequad.
6366 Initialize TFmode format to ibm_extended_format if not
6368 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6370 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6371 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6372 (function_arg_advance): IBM long double passed in two FPRs, not
6374 (function_arg): IBM long double passed in FPRs.
6375 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6376 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6377 Only multireg GPR aligned.
6378 (rs6000_init_libfuncs): Enable IBM long double functions if not
6380 (rs6000_generate_compare): Use IBM long double compare if not
6382 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6383 (TARGET_IEEEQUAD): Define.
6384 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6385 not TARGET_IEEEQUAD.
6386 * config/rs6000/rs6000.md: Enable TFmode patterns if
6388 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6389 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6390 and -mlong-double-128 are incompatible.
6391 * doc/invoke.texi (-mabi): Collect options together. Add
6392 ibmlongdouble and ieeelongdouble.
6394 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6396 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6398 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6399 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6400 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6401 * rtl.h (rtunion_def): Remove rt_ptr.
6403 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6404 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6405 * config/i386/winnt.c (i386_pe_mark_dllexport)
6406 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6408 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6410 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6412 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6416 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6417 pthread_key_delete. From John David Anglin. gthrw-ify
6418 pthread_getunique_np only if it it's not a macro. Delete
6420 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6421 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6422 __gthread_objc_condition_signal, __gthread_key_delete): Add
6423 "__attribute__ ((__unused__))" to unused arguments.
6424 (__gthread_recursive_mutex_init_function): Add missing return.
6425 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6426 gthr-posix95.h: Use macro-based approach for name redirection
6427 on targets missing weakref.
6429 2006-01-26 Zack Weinberg <zackw@panix.com>
6431 * genconditions.c (write_header): In generated code, #ifdef out
6432 all includes and fake declarations, except includes of bconfig.h
6433 and system.h, unless GCC_VERSION >= 3001. Do not include
6434 gensupport.h in any case.
6435 (write_conditions): Generate a definition of struct c_test. Add
6436 a comment to the generated #endif.
6437 (write_one_condition): Escape backslashes in string too.
6438 (write_writer): Generated code must escape backslashes and quote
6439 marks (but not newlines) in the strings it writes.
6440 * Makefile.in (build/gencondmd.o): Update dependencies.
6442 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6445 * Makefile.in (insn-automata.o): Add header file dependencies.
6446 * genautomata.c: Add includes.
6448 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6451 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6453 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6455 * configure.ac: Expect target tools paths to be passed from the toplevel
6456 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6458 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6460 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6463 * c.opt (Wpointer-sign): Init to -1.
6464 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6465 OPT_pedantic, to 0 otherwise.
6466 * doc/invoke.texi: Update.
6468 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6470 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6471 constants provided by 80387 instructions in the destination mode.
6473 2006-01-26 Richard Guenther <rguenther@suse.de>
6474 Andrew Pinski <pinskia@physics.uc.edu>
6477 partial PR tree-opt/17064
6478 * tree-ssa-structalias.c (intra_create_variable_infos):
6479 Create heap variables for incoming parameters if
6480 flag_argument_noalias > 1.
6481 (find_what_p_points_to): Look through default defs of
6484 2006-01-26 Jeff Law <law@redhat.com>
6487 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6488 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6489 within the VR_RANGE, use the VR_RANGE as the result, not the
6491 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6492 bounds for the type.
6494 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6496 * tree-ssa-alias.c (maybe_create_global_var): Change
6497 subvar walking to an assertion that we don't have subvar'd variables.
6499 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6502 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6503 Use a new variable, inner. PARM_DECLs are always non-weak.
6505 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6507 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6510 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6512 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6514 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6516 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6517 (smax_insn, smin_insn, smax_0, smin_0): New.
6519 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6522 * config/cris/cris.c (cris_order_for_addsi3): New function.
6523 * config/cris/cris-protos.h: Prototype it.
6524 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6525 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6526 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6527 (split for "op.S1 [rx=rx+i],ry (swapped)")
6528 (split for "op(s|u).S1 [rx=rx+i],ry")
6529 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6530 Apply cris_order_for_addsi3 when generating addsi3 insns.
6532 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6534 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6535 (TREE_BLOCK): Add call to EXPR_CHECK.
6537 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6540 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6541 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6542 (dump_omp_clauses): ... here.
6543 (dump_generic_node): Handle OMP_CLAUSE.
6544 * tree.c (omp_clause_num_ops): New.
6545 (omp_clause_code_name): New.
6546 (tree_code_size): Handle OMP_CLAUSE.
6547 (tree_size): Likewise.
6548 (make_node): Document handling of OMP_CLAUSE.
6549 (tree_node_structure): Handle OMP_CLAUSE.
6550 (omp_clause_check_failed): New.
6551 (omp_clause_range_check_failed): New.
6552 (omp_clause_operand_check_failed): New.
6553 (build_omp_clause): New.
6554 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6555 * tree.h (enum omp_clause_code): Declare.
6556 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6557 (OMP_CLAUSE_RANGE_CHECK): Define.
6558 (OMP_CLAUSE_ELT_CHECK): Define.
6559 (omp_clause_check_failed): Declare.
6560 (omp_clause_operand_check_failed): Declare.
6561 (omp_clause_range_check_failed): Declare.
6562 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6563 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6564 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6565 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6566 (OMP_CLAUSE_IF_EXPR): Likewise.
6567 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6568 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6569 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6570 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6571 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6572 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6573 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6574 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6575 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6576 (OMP_CLAUSE_CODE): Define.
6577 (OMP_CLAUSE_SET_CODE): Define.
6578 (OMP_CLAUSE_CODE): Define.
6579 (OMP_CLAUSE_OPERAND): Define.
6580 (struct tree_omp_clause): Declare.
6581 (union tree_node): Add field 'omp_clause'.
6582 * treestruct.def (TS_OMP_CLAUSE): Define.
6583 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6584 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6585 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6586 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6587 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6588 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6589 (OMP_CLAUSE): Define.
6590 * print-tree.c (print_node): Handle OMP_CLAUSE.
6591 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6592 * c-typeck.c: Likewise.
6593 * gimplify.c: Likewise.
6594 * c-omp.c: Likewise.
6595 * tree-nested.c: Likewise.
6596 * tree-inline.c: Likewise.
6597 * c-parser.c: Likewise.
6598 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6601 2006-01-25 Roger Sayle <roger@eyesopen.com>
6603 PR rtl-optimization/25703
6604 * combine.c (try_combine): Handle zero_extract and strict_low_part
6605 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6607 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6609 * global.c: Fix comment typos.
6611 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6614 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6615 Use output_addr_const instead of assemble_name.
6617 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6619 * Makefile.in (sched-vis.o): Update dependencies.
6620 * haifa-sched.c (sched_finish): Clear current_sched_info.
6621 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6622 (dump_flow_info): Call it.
6623 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6625 * basic-block.h (dump_bb_info): Declare.
6626 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6627 option, and apply options only for dump files whose TDF_RTL,
6628 TDF_TREE, or TDF_IPA bits match.
6629 * rtl.h: Declare new functions exported from sched-vis.c.
6630 * sched-vis.c: Enable also if scheduling is not used.
6631 (print_value): Print the mode of registers if not inside scheduling.
6632 (print_insn): Make it work outside the scheduler. Beautify the output
6634 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6636 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6638 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6639 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6640 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6641 depending on the value of CONSTANT_POOL_ADDRESS_P.
6642 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6644 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6645 rather than SYMBOL_REF_DECL.
6646 (rtx_constant_pool): Remove const_rtx_sym_htab.
6647 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6648 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6649 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6650 Remove handling of const_rtx_sym_htab.
6651 (find_pool_constant): Delete.
6652 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6653 rather than find_pool_constant.
6654 (get_pool_constant_for_function): Delete.
6655 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6657 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6658 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6659 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6660 (SYMBOL_REF_CONSTANT): New macro.
6661 (get_pool_constant_for_function): Delete.
6662 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6663 rather than SYMBOL_REF_DECL.
6664 (i386_pe_mark_dllimport): Likewise.
6665 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6666 rather than SYMBOL_REF_DECL.
6667 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6668 (machopic_indirect_call_target): Likewise.
6670 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6672 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6674 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6676 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6678 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6680 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6682 2006-01-24 David Daney <ddaney@avtrex.com>
6685 * configure.ac (enable_tls): New enable option.
6686 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6687 * configure: Regenerate.
6688 * doc/install.texi (--enable-tls): Document new option.
6689 (--disable-tls): Ditto.
6691 2006-01-24 Richard Henderson <rth@redehat.com>
6693 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6694 * alias.c (true_dependence): Respect it.
6695 (canon_true_dependence, write_dependence_p): Likewise.
6696 * builtins.c (get_builtin_sync_mem): Set it.
6698 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6700 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6703 2006-01-24 DJ Delorie <dj@redhat.com>
6705 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6706 for storing constants in single-bit bitfields.
6708 2006-01-25 Ben Elliston <bje@au.ibm.com>
6710 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6712 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6715 * tree-ssa-pre.c (phi_translate): Return NULL
6716 for AGGREGATE_TYPE's.
6718 2006-01-24 Zack Weinberg <zackw@panix.com>
6720 * genautomata.c (process_state_for_insn_equiv_partition):
6721 Use xcalloc for insn_arcs_array.
6722 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6723 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6725 2006-01-24 Richard Henderson <rth@redhat.com>
6727 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6730 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6732 PR rtl-optimization/25890
6733 PR rtl-optimization/25905
6734 * combine.c (expand_compound_operation, expand_field_assignment):
6735 Fail if the bitfield's final position is out of bounds.
6737 2006-01-24 Ian Lance Taylor <ian@airs.com>
6740 * cgraphunit.c (cgraph_output_in_order): Don't clear
6741 cgraph_asm_nodes until after asm strings have been output.
6743 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6745 * fix-header.c (read_scan_file): Add new parameter imultilib when
6746 calling register_include_chains.
6748 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6750 * omp-low.c: Update documentation.
6752 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6753 Daniel Berlin <dberlin@dberlin.org>
6757 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6758 return from the function.
6760 2006-01-22 Zack Weinberg <zackw@panix.com>
6762 * rtl.def (match_code): Add second argument.
6763 * genpreds.c (write_extract_subexp): New function.
6764 (write_match_code): Add path argument. Use write_extract_subexp.
6765 (write_predicate_expr): Pass path to write_match_code.
6766 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6767 not perform a mode test.
6768 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6769 a subexpression does not constrain the top-level code set.
6770 * read-rtl.c (read_rtx_variadic): New function.
6771 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6772 * doc/md.texi: Document new notation.
6773 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6774 (cmpsi_operand): ... here, using new notation.
6776 2006-01-22 Zack Weinberg <zackw@panix.com>
6778 * varray.c: Remove GENERATOR_FILE #ifdefs.
6780 2006-01-22 Zack Weinberg <zackw@panix.com>
6782 * genautomata.c (output_reserved_units_table): Emit nothing if
6783 description->query_units_num is zero. Remove extra blank line.
6784 (output_cpu_unit_reservation_p): Short circuit
6785 if description->query_units_num is zero.
6787 2006-01-22 Zack Weinberg <zackw@panix.com>
6789 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6790 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6791 nor any of the random handful of variables that used to be necessary
6792 when this program was linked with rtlanal.o. Prune set of forward
6793 function declarations.
6794 (struct attr_desc): Remove static_p field.
6795 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6796 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6797 (attr_string): Do not read the character one past the length of
6799 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6800 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6801 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6802 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6803 (make_automaton_attrs): New.
6804 (main): Do not call into genautomata. Call local gen_bypass
6805 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6806 Remove special case for insn_alts.
6807 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6808 varray.h (leftover from previous change). Prune set of forward
6809 function declarations. Remove state_alts fields from all
6810 structures. Remove state_alts_table from struct automaton.
6811 Make everything except main static. Do not maintain num_dfa_decls.
6812 Do not maintain state_alts fields of various structures.
6813 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6814 (add_arc): Remove state_alts argument. All callers updated.
6815 (output_reserved_units_table): Emit #ifdef here...
6816 (output_tables): ...not here. Don't generate state_alts tables.
6817 (expand_automata): Don't generate attributes.
6818 (write_automata): Don't generate state_alts functions.
6819 (main): New function.
6820 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6821 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6822 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6823 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6824 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6825 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6826 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6827 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6829 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6830 * genattrtab.h: Delete file.
6831 * Makefile.in (OBJS-common): Add insn-automata.o.
6832 (insn-automata.o): New rule.
6833 (simple_generated_c): Add insn-automata.c.
6834 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6835 (genprogmd): Add automata.
6836 (build/genattrtab): Needs no extra objects nor libraries.
6837 (build/genautomata): Needs build/vec.o and -lm.
6839 2006-01-22 Zack Weinberg <zackw@panix.com>
6841 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6842 (output_dfa_max_issue_rate, locked_states_num): Delete.
6843 (struct automaton): Add locked_states field.
6844 (output_dead_lock_vect): Save number of locked states in
6845 automaton->locked_states. If it is zero, don't print anything.
6846 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6847 (output_internal_dead_lock_func): Only test the dead_lock_vect
6848 for automata that have locked states.
6849 (output_statistics): Always print the number of locked states for
6850 each automaton. Calculate total number of locked states here.
6851 (write_automata): Don't call output_dfa_max_issue_rate.
6852 * genattrtab.c: Define length_unit_log as a const variable.
6853 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6854 max_insn_queue_index const.
6855 * final.c (length_unit_log): Declare const.
6856 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6858 2006-01-22 Zack Weinberg <zackw@panix.com>
6860 * genautomata.c: Include vec.h, not varray.h.
6861 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6862 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6863 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6864 VEC_* macros operating on appropriately typed vectors, or to
6865 malloced arrays when the size is known in advance. Const-ify
6866 many char* variables and function arguments. No functional changes.
6867 * Makefile.in (build/varray.o): Delete rule.
6868 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6869 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6871 2006-01-22 Zack Weinberg <zackw@panix.com>
6873 * gensupport.c: Define get_insn_name and record_insn_name here.
6874 (read_md_rtx): Call record_insn_name as appropriate.
6875 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6876 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6877 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6879 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6880 (BUILD_VARRAY): Delete.
6881 (genprognormal): Rename genprogmd. Fold in all programs from
6882 genprognoprint; also attrtab.
6883 (build/genattrtab): Just mention genautomata.o and varray.o.
6884 Reorganize a bit, add comments to make the categories clearer.
6886 2006-01-22 Zack Weinberg <zackw@panix.com>
6888 * genconditions.c (condition_table, add_condition): Delete.
6889 (write_conditions): Don't emit n_insn_conditions nor
6890 insn_elision_unavailable. Issue the gcc version #ifdef here,
6891 inside the table, with no #else clause ...
6892 (write_header): ...not here.
6893 (write_writer): New function.
6894 (main): Don't initialize condition_table. Use add_c_test.
6896 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6897 files on the command line.
6898 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6899 Return -1 if there is no entry in the table, don't abort.
6900 (add_c_test, traverse_c_tests): New functions.
6901 * gensupport.h (insn_elision_unavailable, insn_conditions)
6902 (n_insn_conditions): Delete declarations.
6903 (add_c_test, traverse_c_tests): Declare.
6904 * read-rtl.c: Include gensupport.h.
6905 (read_conditions): New function.
6906 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6907 (read_rtx_1): If we get EOF when we were looking for an initial
6908 open paren, return 0. Call read_conditions when appropriate.
6909 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6910 dummy-conditions.o. Eliminate references to insn-conditions.o,
6911 or change them to build/gencondmd.o, as appropriate. Remove
6912 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6913 from $(simple_generated_c). For all files remaining in those
6914 two lists, add insn-conditions.md to the generator command line.
6915 Give insn-constants.h/s-constants their own rules. Add rules
6916 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6917 (build/read-rtl.o): Depend on gensupport.h.
6918 (genprognormal): Include preds.
6919 (genprogearly): Rename genprognoprint; only difference is now that
6920 they don't link with $(BUILD_PRINT).
6921 * dummy-conditions.c: Delete.
6923 2006-01-22 Zack Weinberg <zackw@panix.com>
6925 * genextract.c: Don't include insn-config.h. Do include vec.h.
6926 Declare vectors of int, char, and locstr.
6927 (locstr): New typedef.
6928 (struct extraction): Make all array fields into bare pointers.
6929 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6930 (insn_code_number): Delete.
6931 (accum_extract): New struct.
6932 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6933 (gen_insn): Take insn_code_number as an argument. Use an
6934 accum_extract structure instead of loading data directly into
6935 a struct extraction, and having to know how big it might get.
6936 (walk_rtx): Operate entirely on an accum_extract structure.
6937 (print_path): Avoid unnecessary use of printf.
6938 (print_header): New function, split out of main. Distinguish
6939 more carefully between an unrecognizable insn and an insn that
6940 has the code number of a define_expand.
6941 (main): Pass insn_code_number to gen_insn. Call print_header
6942 only after parsing. Avoid unnecessary use of printf.
6943 * Makefile.in (build/vec.o): New rule.
6944 (build/genextract): Depend on build/vec.o.
6945 (build/genextract.o): Don't depend on insn-config.h.
6947 2006-01-22 Zack Weinberg <zackw@panix.com>
6949 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6950 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6951 practical. Eliminate per-generator-program link rules.
6953 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6956 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6957 with a call expr to ...
6958 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6960 2006-01-23 Richard Guenther <rguenther@suse.de>
6962 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6963 before make_edge with conditional EDGE_TRUE_VALUE.
6965 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6966 Jan Hubicka <jh@suse.cz>
6967 Richard Guenther <rguenther@suse.de>
6969 PR rtl-optimization/25654
6970 * cfgexpand.c (aggregate_contains_union_type): New function.
6971 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6972 for structure variables that contain a union type.
6974 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6976 * gengtype.c (new_structure): Return the structure.
6977 (create_option): Add an extra "next" argument.
6978 (create_field): New function.
6979 (adjust_field_rtx_def): Use create_option and create_field.
6980 Remove a now-unnecessary call to find_structure.
6981 (adjust_field_tree_def): Likewise.
6982 (note_yacc_type): Remove an unnecessary call to find_structure.
6983 * gengtype.h (new_structure): Return the structure.
6984 (create_option): Add an extra argument.
6985 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6986 (option): Adjust calls to create_option.
6988 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6990 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6992 2006-01-22 Paul Brook <paul@codesourcery.com>
6993 Peter Barada <peter@the-baradas.com>
6995 * config/m68k/m68k.md: Add Coldfire FPU support.
6996 Define FP mode macro and associated attributes.
6997 Use it for float mode patterns.
6998 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6999 (LIBCALL_VALUE): Use m68k_libcall_value.
7000 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7001 (m68k_function_value): Ditto.
7002 (emit_move_sequence): Ditto.
7003 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7004 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7005 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7006 (MULTILIB_EXCEPTIONS): Ditto.
7007 * config/m68k/m68k.opt: Add mcfv4e.
7008 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7009 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7010 (m68k_output_function_prologue): Save ColdFire FPU registers.
7011 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7012 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7013 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7014 ColdFire FPU registers.
7015 (m68k_libcall_value, m68k_function_value): New functions.
7016 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7017 (LIBCALL_VALUE): Use m68k_libcall_value.
7018 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7019 (MASK_COLDFIRE): Add MASK_CFV4E.
7020 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7021 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7022 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7023 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7024 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7025 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7026 * doc/invoke.tex: Document -mcfv4e on m68k.
7028 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7030 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7033 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7036 * c-opts.c (c_common_handle_option): Don't include
7037 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7038 * doc/invoke.texi (C++ Dialect Options): Document that
7039 -Wnon-virtual-dtor is no longer included in -Wall.
7041 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7043 * gcov.c (print_version), gcov-dump.c (print_version),
7044 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7047 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7049 * df-scan.c (problem_SCAN): Added NULL reset function.
7050 (df_scan_reset_blocks): Added code to call reset block function
7051 (df_bb_refs_delete) Fixed comment.
7052 (df_insn_refs_delete): Made tolerant of deleting non existent info
7053 for dataflow problems that need to be reset.
7054 * df-core.c (df_set_blocks): Ditto.
7055 * df.h (struct df_problem): Added reset_fun.
7056 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7057 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7058 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7059 functions to clear out all references to def-use or use-def chains.
7061 2006-01-21 Ben Elliston <bje@au.ibm.com>
7063 * varasm.c (assemble_real): Initialise data array.
7065 2006-01-20 Paul Brook <paul@codesourcery.com>
7067 Merge from csl-arm-branch.
7068 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7069 * config/arm/arm.md (movdi): Force operands[1] to a register
7070 if we have a non-register source.
7071 (*arm_movdi, *movdf_soft_insn): Require that one of the
7072 operands be a register.
7073 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7074 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7076 2006-01-20 DJ Delorie <dj@redhat.com>
7078 * varasm.c (initialize_constant_valid_p): Allow pointers
7079 initialized from integer constants of lesser precision.
7080 (output_constant): Allow non-int-sized pointer modes to be
7081 initialized from integer constants.
7083 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7086 * cppdefault.h (struct default_include): Add multilib flag.
7087 * cppdefault.c (cpp_include_defaults): Set it.
7088 * c.opt (-imultilib): New option.
7089 * c-opts.c (imultilib): New.
7090 (c_common_handle_option): Handle -imultilib.
7091 (c_common_post_options): Likewise.
7092 * c-incpath.c (add_standard_paths, register_include_chains):
7094 * c-incpath.h (register_include_chains): Add extra parameter.
7095 * gcc.c (do_spec_1): Generate -imultilib option.
7096 (The Specs Language): Update %I description.
7097 (process_command): Update copyright notice.
7098 * doc/cppopts.texi (-imultilib): Document.
7099 * doc/invoke.texi (-imultilib): Include in option summary.
7100 (%I): Update specs documentation.
7102 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7104 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7106 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7108 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7111 2006-01-20 Richard Guenther <rguenther@suse.de>
7112 Steven Bosscher <stevenb.gcc@gmail.com>
7114 PR rtl-optimization/24626
7115 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7116 EDGE_TRUE_VALUE if in RTL mode.
7119 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7120 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7122 2006-01-20 Dirk Mueller <dmueller@suse.com>
7125 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7126 instead of a special NOP marker.
7127 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7128 NOP marker handling.
7129 * c-common.h (empty_body_warning): Add forward declaration.
7130 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7131 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7133 2006-01-20 Paul Brook <paul@codesourcery.com>
7135 * Makefile.in (lang_checks): Keep going if mkdir fails.
7137 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7139 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7140 be able to clean out basic block when not necessary.
7141 (df_scan_free): Fixed to properly delete information if df is
7142 unused before calling df_finish.
7143 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7144 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7146 (df_bb_refs_delete): New function.
7147 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7148 * df-core.c (df_set_blocks): Added code to properly clean out
7149 unused blocks if they are not part of the blocks to consider.
7150 Added additional null check.
7151 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7152 be able to clean out basic block when not necessary
7153 * df.h (df_free_bb_function): Ditto.
7154 (df_bb_refs_delete): New function.
7155 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7156 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7157 basic block parameter to be able to clean out basic block when not
7159 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7160 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7161 Fixed to properly delete information if df is unused before
7164 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7166 PR rtl-optimization/25799
7167 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7168 Corrected confluence operator to remove bits from op2 before oring
7169 with op1 rather than removing bits from op1.
7170 (df_ru_transfer_function): Corrected test on wrong bitmap which
7171 caused infinite loop. Both of these problems were introduced in
7172 the dataflow rewrite.
7174 2006-01-19 DJ Delorie <dj@redhat.com>
7176 * reload1.c (find_reload_regs): Note the details of reload
7177 failures in the dump file.
7178 (spill_failure): Likewise.
7180 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7182 * loop-iv.c: Include df.h and hashtab.h.
7183 (enum iv_grd_result): New enum.
7184 (DF_REF_IV, DF_REF_IV_SET): New macros.
7185 (struct biv_entry): New.
7186 (df, bivs): New global variables.
7187 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7188 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7190 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7191 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7192 analyzed_for_bivness_p, record_biv): New functions.
7193 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7194 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7195 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7197 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7199 (iv_number_of_iterations): Use new interface to iv analysis.
7200 * loop-unroll.c: Do not include varray.h.
7201 (analyze_iv_to_split_insn): Use new interface to iv
7203 * loop-unswitch.c (may_unswitch_on): Ditto.
7204 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7206 (df_bb_modify): Realloc tables to the new index.
7207 (df_find_use): New function.
7208 * df.h (df_find_use): Declare.
7209 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7211 * cfgloop.h (struct rtx_iv): Remove analysed field.
7212 (iv_get_reaching_def): Removed.
7213 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7214 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7215 (loop-iv.o): Add df.h and hashtab.h dependency.
7216 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7218 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7221 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7223 (__floatundisf, __floatundidf): Likewise.
7224 * libgcc2.h (IS_IBM_EXTENDED): Define.
7226 2006-01-19 DJ Delorie <dj@redhat.com>
7228 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7230 2006-01-19 Paul Brook <paul@codesourcery.com>
7232 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7233 as nothrow when unwinding tables are disabled.
7235 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7238 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7239 of bit-field" when in system header.
7241 2006-01-19 DJ Delorie <dj@redhat.com>
7243 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7244 the 16 bit shift limit of the m16c.
7246 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7249 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7250 * config/i386/i386.c (output_set_got): Output the label if we have one
7251 for the TARGET_DEEP_BRANCH_PREDICTION case.
7253 2006-01-19 Jan Hubicka <jh@suse.cz>
7254 H.J. Lu <hongjiu.lu@intel.com>
7255 Evandro Menezes <evandro.menezes@amd.com>
7257 * invoke.texi (generic): Document
7259 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7260 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7261 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7262 (x86_use_incdec, x86_pad_returns): New variables
7263 (TARGET_CPU_DEFAULT_generic): New constant
7264 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7265 (enum processor_type): Add generic32 and generic64.
7266 * i386.md (cpu attribute): Add generic32/generic64
7267 (movhi splitter): Behave sanely when both partial_reg_dependency and
7268 partial_reg_stall are set.
7269 (K8 splitters): Enable for generic as well.
7270 * predicates.md (incdec_operand): Use TARGET_INCDEC
7271 (aligned_operand): Avoid memory mismatch stalls.
7272 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7273 * ppro.md: Enable for generic32
7274 * i386.c (generic64_cost, generic32_cost): New.
7275 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7276 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7277 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7278 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7279 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7280 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7281 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7282 x86_accumulate_outgoing_args, x86_prologue_using_move,
7283 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7284 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7286 (x86_use_incdec, x86_pad_returns): New.
7287 (override_options): Add generic32 and generic64, translate "generic"
7288 to generic32/generic64 and "i686" to "generic32", refuse
7289 "generic32"/"generic64" as arch target.
7290 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7291 (ix86_reorg): Honor PAD_RETURNS.
7293 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7295 * tree-pretty-print.c (dump_generic_node): Handle
7296 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7297 * cgraph.c (cgraph_expand_queue): Rename from
7298 cgraph_analyze_queue. Update all users.
7299 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7300 cgraph_expand_queue.
7301 (cgraph_expand_all_functions): Likewise.
7302 (cgraph_finalize_pending_functions): Remove. Update callers.
7304 * tree.h (OMP_DIRECTIVE_P): Define.
7305 (OMP_PARALLEL_FN): Define.
7306 (OMP_PARALLEL_DATA_ARG): Define.
7307 (OMP_SECTIONS_SECTIONS): Define.
7308 * tree-pass.h (pass_expand_omp): Declare.
7309 * omp-low.c (struct omp_region): Declare.
7310 (struct omp_context): Remove fields 'parallel_type',
7311 'parallel_start_ix' and 'parallel_start_additional_args'.
7313 (struct omp_for_data): Rename from struct expand_omp_for_data.
7314 (omp_regions): New static variable.
7315 (root_omp_region): New static variable.
7316 (find_omp_clause): Make static.
7317 (is_in_combined_parallel_ctx): Remove.
7318 (is_combined_parallel): New.
7319 (extract_omp_for_data): Move earlier in the file.
7320 (workshare_safe_to_combine_p): New.
7321 (get_ws_args_for): New.
7322 (determine_parallel_type): Move earlier in the file.
7323 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7325 (omp_copy_decl): Likewise.
7326 (create_omp_child_function): Likewise.
7327 (lookup_omp_region): New.
7328 (dump_omp_region): New.
7329 (debug_omp_region): New.
7330 (debug_all_omp_regions): New.
7331 (new_omp_region): New.
7332 (scan_omp_parallel): If parallel_nesting_level > 1, the
7333 directive is nested within another parallel directive.
7334 Set OMP_PARALLEL_FN.
7335 (scan_omp_for): Do not try to handle combined parallel+for
7337 Remove FIXME comment.
7338 (scan_omp_nested): Remove.
7339 (scan_omp_1): Do not call scan_omp_nested when
7340 parallel_nesting_level is > 1.
7341 Do not change the DECL_CONTEXT of local variables found.
7342 (lookup_decl_in_outer_ctx): New.
7343 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7344 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7345 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7346 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7347 If CTX is nested, lookup VAR in the outer context when
7348 building copy assignment.
7349 (lower_send_clauses): Rename from expand_send_clauses.
7350 If CTX is nested, lookup VAR in the outer context when
7351 building copy assignments.
7352 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7353 If CTX is nested, lookup VAR in the outer context when
7354 building copy assignments.
7355 (expand_parallel_call): Rename from build_parallel_call.
7356 Handle combined parallel+workshare cases.
7357 Re-implement to emit code into the CFG.
7359 (expand_omp_parallel): Re-implement to emit code into the CFG.
7360 Call move_sese_region_to_fn to outline the sub-graph
7361 containing the parallel region.
7362 (expand_omp_for_1): Remove.
7363 (expand_omp_for_generic): Re-implement to emit code into the
7365 (expand_omp_for_static_nochunk): Likewise.
7366 (expand_omp_for_static_chunk): Likewise.
7367 (expand_omp_for): Likewise.
7368 (expand_omp_sections): Likewise.
7369 (remove_exit_barriers): New.
7370 (expand_omp_synch): New.
7372 (build_omp_regions_1): New.
7373 (build_omp_regions): New.
7374 (execute_expand_omp): New.
7375 (gate_expand_omp): New.
7376 (pass_expand_omp): Define.
7377 (lower_omp_sections): Rename from expand_omp_sections.
7378 Set OMP_SECTIONS_SECTIONS.
7379 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7380 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7381 (lower_omp_single): Rename from expand_omp_simple.
7382 (lower_omp_master): Rename from expand_omp_master.
7383 (lower_omp_ordered): Rename from expand_omp_ordered.
7384 (lower_omp_critical): Rename from expand_omp_critical.
7385 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7386 (lower_omp_for): Re-implement.
7387 (lower_omp_parallel): Re-implement.
7388 (lower_regimplify): Rename from expand_regimplify.
7389 (lower_omp_1): Rename from expand_omp_1.
7390 If there are syntax errors in the program, replace every
7391 OpenMP directive with NOP.
7392 Call lower_omp_* instead of expand_omp_*.
7393 (lower_omp): Rename from expand_omp.
7395 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7396 * tree-gimple.h (enum omp_parallel_type): Remove.
7397 (gimple_boolify): Declare extern.
7398 (find_omp_clause, determine_parallel_type): Remove.
7400 * gimple-low.c (lower_omp_directive): New.
7401 (lower_stmt): Call it.
7402 (record_vars_into): Move from ...
7403 (record_vars): ... here.
7404 Call record_vars_into with current_function_decl.
7406 * gimplify.c (struct gimplify_ctx): Remove fields
7407 combined_pre_p and combined_ctxp. Update users.
7408 (get_formal_tmp_var): Add documentation.
7409 (gimple_boolify): Make extern.
7410 (gimplify_expr_in_ctx): Remove. Update callers.
7411 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7412 will always be a BIND_EXPR.
7413 (gimplify_expr): Handle OMP_RETURN_EXPR.
7414 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7415 (OMP_PARALLEL): Add 3 operands.
7416 (OMP_SECTIONS): Add 1 operand.
7417 (OMP_RETURN_EXPR): Define.
7419 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7420 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7421 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7422 creating a circular free list.
7423 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7425 * tree-flow.h (move_sese_region_to_fn): Declare.
7426 (record_vars_into): Declare.
7427 * tree-cfg.c (make_omp_sections_edges): New.
7428 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7429 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7430 OMP_SECTIONS and OMP_SECTION.
7431 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7432 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7433 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7434 (gather_blocks_in_sese_region): New.
7435 (struct move_stmt_d): Declare.
7437 (move_block_to_fn): New.
7438 (move_sese_region_to_fn): New.
7440 * passes.c (init_optimization_passes): Schedule
7441 pass_expand_omp after pass_init_datastructures.
7443 * tree-ssa-operands.c (get_expr_operands): Handle
7444 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7445 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7447 2006-01-19 Jeff Law <law@redhat.com>
7449 * tree-vrp.c (extract_range_from_assert): Refine the result range
7450 if the variable referenced by the ASSERT_EXPR has a range and
7451 either the tentative result range or the previous range is a
7454 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7456 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7458 2006-01-19 Jan Hubicka <jh@suse.cz>
7460 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7462 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7464 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7465 (expand_compound_operation, expand_field_assignment): Fail if the
7466 bit lengths of an extract operation are out of range.
7467 (make_extraction): Compute wanted_inner_mode based on the position
7468 and length of the extraction. Make it extraction_mode for non-constant
7469 positions, and do not modify offset in that case. When generating a
7470 new MEM, use a mode that can hold the extraction while keeping correct
7471 alignment. Remove code that supported MEMs wrapped by USEs.
7472 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7474 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7476 * config/s390/s390.md ("Y", "y"): New mode attribute.
7477 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7478 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7479 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7480 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7481 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7482 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7483 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7484 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7485 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7486 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7487 "addsi3", "subsi3"): Insn patterns removed.
7488 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7489 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7490 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7491 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7492 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7493 "*sub<mode>3_cconly2"): New insn patterns.
7494 ("addsi3", "subsi3"): New expanders.
7496 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7498 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7499 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7500 existing STMT_VINFO_VECTYPE if available.
7501 (vect_mark_relevant): Add special handling for stmts that are
7502 marked as STMT_VINFO_IN_PATTERN_P.
7503 (vect_analyze_loop): Call vect_pattern_recog.
7504 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7505 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7507 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7508 (vect_recog_func_ptr): New function-pointer type.
7509 * tree-vect-patterns.c: New file.
7510 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7511 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7512 (vect_pattern_recog_1): New functions.
7513 (vect_pattern_recog_funcs): New array of function pointers.
7515 * tree-vectorizer.h (ternary_op): New enum value.
7516 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7517 declaration. Revised documentation. Removed redundant dump prints.
7518 Removed redundant argument. Added support for reduction patterns.
7519 (vectorizable_reduction): Added support for reduction patterns.
7520 (vect_transform_stmt): Added support for patterns.
7522 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7523 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7524 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7525 (expand_widen_pattern_expr): New function.
7526 (init_optabs): Initialize new optabs udot_prod_optab,
7528 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7529 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7530 (expand_widen_pattern_expr): New function declaration.
7531 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7533 * tree-inline.c (estimate_num_insns_1): Added cases for new
7534 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7535 * tree-pretty-print.c (dump_generic_node): Likewise.
7536 (op_prio): Likewise.
7537 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7538 * tree-ssa-operands.c (get_expr_operands): Added case for
7540 * tree-vect-patterns.c (widened_name_p): New function.
7541 (vect_recog_dot_prod_pattern): Added function implementation.
7542 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7543 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7544 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7545 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7547 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7548 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7549 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7550 (init_optabs): Initialize new optabs widen_ssum_optab,
7552 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7553 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7554 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7555 use instead of type of def.
7556 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7557 function implementation.
7558 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7559 widen_ssumv8hi): New.
7561 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7564 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7567 * c-decl.c (add_flexible_array_elts_to_size): New function.
7568 (finish_decl): Use it.
7570 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7572 * diagnostic.h: Include options.h.
7573 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7574 dependancies for diagnostic.h.
7575 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7577 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7579 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7580 (ssa_ro_call_cache_valid): Ditto.
7581 * tree-ssa-alias.c (sort_tags_by_id): New function.
7582 (init_transitive_clobber_worklist): Ditto.
7583 (add_to_worklist): Ditto.
7584 (mark_aliases_call_clobbered): Ditto.
7585 (compute_tag_properties): Ditto.
7586 (set_initial_properties): Ditto.
7587 (compute_call_clobbered): Ditto.
7588 (compute_may_aliases): Call compute_call_clobbered and grouping.
7589 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7590 (compute_flow_insensitive_aliasing): Grouping now happens in our
7592 (setup_pointers_and_addressables): Remove clobbering related code.
7593 (add_may_alias): Ditto.
7594 (replace_may_alias): Ditto.
7595 (get_nmt_for): Ditto.
7596 (create_global_var):
7597 (is_escape_site): Return an escape_type enumeration.
7598 * tree-flow-inline.h (is_call_clobbered): Global var does not
7599 imply call clobbered.
7600 (mark_call_clobbered): Take a reason for marking this. Remove
7601 marking of globalness, and cache invalidation.
7602 (clear_call_clobbered): Remove cache invalidation code.
7603 * tree-dfa.c (dump_variable): If details is on, dump the reason
7605 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7607 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7608 (struct var_ann_d): Ditto.
7609 (enum escape_type): New.
7610 (mark_call_clobbered): Adjust prototype.
7611 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7612 are never call clobbered.
7613 Record reasons for escaping.
7614 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7615 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7616 (ssa_ro_call_cache_valid): Ditto.
7617 (clobbered_v_may_defs): Ditto.
7618 (clobbered_vuses): Ditto.
7619 (ro_call_vuses): Ditto.
7620 (clobber_stats): New.
7621 (init_ssa_operands): Zero out clobber stats.
7622 (fini_ssa_operands): Print out clobber stats.
7623 (get_call_expr_operands): Pass callee fndecl to
7625 (add_call_clobber_ops): Remove use of cache.
7626 Add use of PURE_CONST information.
7627 (add_call_read_ops): Remove use of cache.
7628 Add use of static not_read information.
7630 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7632 Introduce TLS descriptors for i386 and x86_64.
7633 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7634 (TARGET_ANY_GNU_TLS): New macro.
7635 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7636 (struct machine_function): Add tls_descriptor_call_expanded_p.
7637 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7638 (ix86_current_function_calls_tls_descriptor): Likewise.
7639 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7640 (override_options): Introduce gnu2 tls dialect.
7641 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7643 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7645 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7646 (ix86_init_machine_status): Initialize new field.
7647 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7648 (ix86_tls_module_base): New.
7649 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7650 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7651 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7652 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7653 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7654 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7655 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7656 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7657 * config/i386/predicates.md (tls_modbase_operand): New.
7658 (tp_or_register_operand): New.
7660 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7662 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7663 (look_for_address_of): Ditto.
7664 (ipa_init): Walk the function decls.
7665 (static_execute): Don't set readonly on FUNCTION_DECL's.
7667 2006-01-18 Roger Sayle <roger@eyesopen.com>
7669 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7670 for shifts where the source and destination registers are different.
7672 2006-01-18 Paul Brook <paul@codesourcery.com>
7674 Merge from csl-arm-branch.
7675 2005-03-14 Julian Brown <julian@codesourcery.com>
7676 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7677 (aeabi_llsl): Likewise.
7678 (ashrdi3): Likewise.
7679 (aeabi_lasr): Likewise.
7680 (lshrdi3): Likewise.
7681 (aeabi_llsr): Likewise.
7682 2005-03-10 Julian Brown <julian@codesourcery.com>
7683 * config.gcc: Disable shared libgcc for SymbianOS.
7684 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7686 2006-01-18 DJ Delorie <dj@redhat.com>
7688 * c-pragma.c (handle_pragma_diagnostic): New.
7689 (init_pragma): Register it.
7690 * doc/extend.texi: Document it.
7692 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7693 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7694 (diagnostic_context): Add classify_diagnostic[].
7695 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7696 as errors if they're overridden to DK_WARNING.
7697 (diagnostic_initialize): Initialize classify_diagnostic[].
7698 (diagnostic_set_kind_override): New.
7699 (diagnostic_report_diagnostic): Check for kind changes.
7700 * opts.c (common_handle_option): Take lang_mask. Update callers.
7702 * common.opt (Werror=): New.
7703 * doc/invoke.texi: Document -Werror=*
7705 2006-01-18 Jeff Law <law@redhat.com>
7707 * tree-vrp.c (test_for_singularity): Correct test for new
7708 min limit. Use operand_equal_p rather than pointer equality
7709 for testing if new min/max values are equal.
7711 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7712 using range information until after propagation and folding.
7714 2006-01-18 Richard Henderson <rth@redhat.com>
7715 Aldy Hernandez <aldyh@redhat.com>
7716 Jakub Jelinek <jakub@redhat.com>
7717 Diego Novillo <dnovillo@redhat.com>
7719 * omp-low.c: New file.
7720 * c-omp.c: New file.
7722 2006-01-18 Richard Henderson <rth@redhat.com>
7723 Jakub Jelinek <jakub@redhat.com>
7724 Diego Novillo <dnovillo@redhat.com>
7726 * doc/invoke.texi: Document -fopenmp.
7727 * tree-dump.h (debug_function): Declare.
7728 * hooks.c (hook_bool_tree_bool_false): New function.
7729 (hook_tree_tree_null): Remove.
7730 (hook_tree_tree_tree_null): New.
7731 * hooks.h: Update to match.
7732 * tree-pretty-print.c (debug_tree_chain): New.
7733 (print_generic_expr): Handle TDF_CHAIN.
7734 (dump_generic_node): Handle BLOCK.
7735 Do not abort with incomplete SWITCH_EXPRs.
7736 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7737 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7738 print space after directive name.
7739 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7740 Handle OMP_MASTER and OMP_ORDERED.
7741 Handle printing of OMP_BODY just in one place, goto
7742 dump_omp_body in the rest of OMP_* nodes that have
7744 Don't handle clause nodes here. Update omp statements to
7745 use dump_omp_clauses.
7746 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7747 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7748 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7749 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7750 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7751 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7752 Adjust output for GOMP_PARALLEL.
7753 (dump_omp_clauses): New.
7754 (print_declaration): Dump DECL_VALUE_EXPR.
7755 (op_symbol_1): Split out of op_symbol.
7756 (dumping_stmts): Remove. Update all users.
7757 * cgraph.c (cgraph_analyze_queue): New.
7758 (cgraph_add_new_function): New.
7759 * cgraph.h (cgraph_analyze_queue): Declare.
7760 (cgraph_add_new_function): Declare.
7761 (cgraph_lower_function): Remove.
7762 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7763 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7764 and TYPE_P nodes in its default clause.
7765 (empty_body_p): New.
7766 (tree_range_check_failed): New.
7768 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7769 OMP_CLAUSE_REDUCTION_MERGE,
7770 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7771 OMP_CLAUSE_PRIVATE_DEBUG,
7772 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7773 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7774 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7775 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7776 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7777 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7778 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7779 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7780 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7781 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7782 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7783 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7784 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7785 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7786 (TREE_RANGE_CHECK): New.
7787 (empty_body_p): Declare.
7788 (enum omp_clause_default_kind): New.
7789 (build_string_literal): Declare.
7790 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7791 (build5_stat, build5): Declare.
7792 * tree-pass.h (TDF_CHAIN): Define.
7793 * tree-pass.h (PROP_gimple_lomp): Define.
7794 (pass_lower_omp): Declare.
7795 * diagnostic.h (debug_tree_chain): Declare.
7796 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7798 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7799 * builtins.c (build_string_literal): Make extern.
7800 * gcc.c (include_spec_function): New.
7801 (static_spec_functions): Add it.
7802 (main): Move load of libgomp.spec ...
7803 (LINK_COMMAND_SPEC): ... here.
7804 (link_gomp_spec): New.
7805 (static_specs): Include it.
7806 (LINK_COMMAND_SPEC): Add link_gomp.
7807 (GOMP_SELF_SPECS): New.
7808 (driver_self_specs): Include it.
7809 (switch_matches): Don't mark inline.
7810 (main): Load libgomp.spec.
7811 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7812 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7813 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7814 * tree-gimple.h (enum omp_parallel): Declare.
7815 (determine_parallel_type): Declare.
7816 (omp_firstprivatize_variable): Declare.
7817 (omp_reduction_init): Declare.
7818 (diagnose_omp_structured_block_errors): Declare.
7819 (struct walk_stmt_info): Add want_return_expr.
7820 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7821 (find_omp_clause): Declare.
7822 (insert_field_into_struct): Declare.
7823 (struct walk_stmt_info): Move from tree-nested.c
7824 (walk_stmts): Declare.
7825 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7827 * cgraphunit.c (cgraph_lower_function): Make static.
7828 (cgraph_finalize_pending_functions): New.
7829 (cgraph_finalize_function): Call it.
7830 (cgraph_finalize_compilation_unit): Likewise.
7831 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7832 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7833 (BT_FN_UINT_UINT): New.
7834 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7835 DEF_FUNCTION_TYPE_VAR_4): Document.
7836 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7837 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7838 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7839 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7840 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7841 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7842 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7843 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7844 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7845 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7846 into separate files.
7847 (DEF_GOMP_BUILTIN): New.
7848 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7849 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7850 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7851 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7852 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7853 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7854 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7855 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7856 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7857 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7858 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7859 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7860 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7861 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7862 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7863 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7864 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7865 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7866 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7867 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7868 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7869 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7870 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7871 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7872 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7873 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7874 * sync-builtins.def: New file, moved from builtins.def.
7875 * omp-builtins.def: New file, moved from builtins.def.
7876 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7877 * gimple-low.c (lower_function_body): Clear data.
7878 (lower_stmt): Do not handle COMPOUND_EXPR.
7879 Remove call to print_node_brief.
7880 * c-tree.h (c_finish_omp_clauses): New prototype.
7881 (C_DECL_THREADPRIVATE_P): Define.
7882 (lookup_name_no_remap, c_omp_remap_private): Remove
7883 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7884 (check_for_loop_decls): Update decl.
7885 (lookup_name_no_remap, c_omp_remap_private): Declare.
7886 (build_indirect_ref, build_modify_expr, pushdecl,
7887 pushdecl_top_level): Move to c-common.h.
7888 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7889 before the switch, but just in the 2 places that need it.
7890 * c-decl.c (diagnose_mismatched_decls): Do not check for
7891 mismatched thread-local attributes when OLDDECL is marked
7892 threadprivate and NEWDECL has no thread-local attributes.
7893 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7894 (c_gimple_diagnostics_recursively): Rename from
7895 c_warn_unused_result_recursively. Invoke
7896 diagnose_omp_structured_block_errors.
7897 (check_for_loop_decls): Return a singular decl found.
7898 * langhooks.c (lhd_omp_predetermined_sharing): Return
7899 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7900 (lhd_omp_firstprivatize_type_sizes): New.
7901 (lhd_omp_assignment): New.
7902 (lhd_omp_predetermined_sharing): New.
7903 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7904 (struct lang_hooks_for_types): Add
7905 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7906 omp_predetermined_sharing, omp_disregard_value_expr,
7907 omp_private_debug_clause, omp_clause_default_ctor,
7908 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7909 (c_finish_omp_clauses): New.
7910 (c_finish_bc_stmt): Diagnose break within omp for.
7911 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7912 (build_unary_op): Return error_mark after reporting
7914 (build_modify_expr): Likewise.
7915 * gimplify.c: Include optabs.h and pointer-set.h.
7916 (enum gimplify_omp_var_data): Declare.
7917 (struct gimplify_omp_ctx): Declare.
7918 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7920 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7921 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7922 (splay_tree_compare_decl_uid): New.
7923 (new_omp_context): New.
7924 (delete_omp_context): New.
7925 (gimple_add_tmp_var): Call omp_add_variable.
7926 (gimplify_bind_expr): Likewise.
7927 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7928 true, disregard DECL_VALUE_EXPR on the decl if any.
7929 (gimplify_expr_in_ctx): New.
7930 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7931 omp_add_variable, omp_notice_variable, omp_is_private
7932 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7933 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7934 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7935 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7936 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7937 gimplify_omp_atomic): New.
7938 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7939 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7940 OMP_CRITICAL and OMP_ATOMIC.
7941 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7942 * c-pragma.h (enum pragma_kind): Add
7943 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7944 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7945 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7946 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7947 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7948 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7949 PRAGMA_OMP_THREADPRIVATE.
7950 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7951 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7952 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7953 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7954 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7955 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7956 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7957 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7958 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7959 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7960 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7961 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7962 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7964 (struct nesting_info): Add field_map,
7965 suppress_expansion, debug_var_chain.
7966 (create_nesting_tree): Initialize them.
7967 (lookup_field_for_decl): Use field_map.
7968 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7969 (convert_local_omp_clauses): New.
7970 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7971 (walk_body): Split out of walk_function.
7972 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7973 (convert_nonlocal_reference): Handle omp statements.
7974 (convert_local_reference): Likewise.
7975 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7976 (unnest_nesting_tree): New.
7977 (lower_nested_functions): Call it.
7978 (insert_field_into_struct): Make extern.
7979 (struct walk_stmt_info): Move to tree-gimple.h.
7980 (walk_stmts): Make extern.
7981 * omp-builtins.def: New file.
7982 * tree-iterator.c (expr_only): Clarify comment.
7983 * c-common.h (pushdecl_top_level, pushdecl,
7984 build_modify_expr, build_indirect_ref,
7985 c_finish_omp_master, c_finish_omp_critical,
7986 c_finish_omp_ordered, c_finish_omp_barrier,
7987 c_finish_omp_atomic, c_finish_omp_flush,
7988 c_finish_omp_for, c_split_parallel_clauses,
7989 omp_clause_default_kind, c_omp_sharing_predetermined,
7990 c_omp_remap_decl): Declare.
7991 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7992 (OBJS-common): Add omp-low.o.
7993 (c-omp.o, omp-low.o): Add.
7994 (gimplify.o): Add dependency on $(OPTABS_H).
7995 (GTFILES): Add omp-low.c.
7996 (gt-stringpool.h): Add.
7997 * tree-cfg.c (set_bb_for_stmt): Do not update the
7998 block-to-labels map if we are currently expanding to RTL.
7999 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8001 Handle IDENTIFIER_NODE.
8002 (tree_verify_flow_info): Do not ICE when emitting error
8003 messages about invalid labels.
8004 (dump_function_to_file): Reset CFUN before emitting the body
8006 (debug_function): New.
8007 * passes.c (init_optimization_passes): Schedule
8009 * langhooks-def.h (lhd_omp_predetermined_sharing,
8010 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8012 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8013 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8014 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8015 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8016 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8017 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8018 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8019 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8020 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8021 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8022 (LANG_HOOK_DECLS): Use them.
8024 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8025 Richard Henderson <rth@redhat.com>
8026 Jakub Jelinek <jakub@redhat.com>
8027 Diego Novillo <dnovillo@redhat.com>
8029 * c-parser.c (pragma_omp_clause): Define.
8030 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8031 (c_parser_compound_statement): Likewise.
8032 (c_parser_statement): Likewise.
8033 (c_parser_pragma): Handle omp pragmas.
8034 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8035 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8036 (c_parser_omp_clause_name, check_no_duplicate_clause,
8037 c_parser_omp_variable_list,
8038 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8039 c_parser_omp_clause_copyprivate,
8040 c_parser_omp_clause_default,
8041 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8042 c_parser_omp_clause_lastprivate,
8043 c_parser_omp_clause_nowait,
8044 c_parser_omp_clause_num_threads,
8045 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8046 c_parser_omp_clause_reduction,
8047 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8048 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8049 c_parser_omp_atomic, c_parser_omp_barrier,
8050 c_parser_omp_critical, c_parser_omp_flush,
8051 c_parser_omp_for_loop, c_parser_omp_for,
8052 c_parser_omp_master, c_parser_omp_ordered,
8053 c_parser_omp_sections_scope, c_parser_omp_sections,
8054 c_parser_omp_parallel, c_parser_omp_single,
8055 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8056 * c-pragma.c (init_pragma): Do omp pragma registration here.
8057 * c.opt (fopenmp): New flag.
8059 2006-01-18 Eric Christopher <echristo@apple.com>
8061 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8062 * config/darwin.h (GOMP_SELF_SPECS): Define.
8064 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8066 * rtl.h: Remove the prototype for reg_alloc.
8068 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8071 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8072 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8073 sjlj and dwarf2 exception handling.
8074 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8075 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8076 * pa/pa.c (function_value): Treat complex and vector types as
8078 (function_arg): Likewise. Only pass scalar floats in the floating
8079 point argument registers.
8080 * pa/t-slibgcc-dwarf-ver: New file.
8081 * pa/t-slibgcc-sjlj-ver: New file.
8082 * pa/t-slibgcc-elf-ver: Delete file.
8084 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8086 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8087 unlikely_test_section_p test.
8089 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8091 * mode-switching.c (optimize_mode_switching): Make it static.
8092 * basic-block.h: Remove the prototype for
8093 optimize_mode_switching.
8095 * modulo-sched.c (sms_schedule): Make it static.
8096 * rtl.h: Remove the prototype for sms_schedule.
8098 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8099 * rtl.h: Remove the prototype for gcse_after_reload_main.
8101 * reg-stack.c (reg_to_stack): Make it static.
8102 * rtl.h: Remove the prototype for reg_to_stack.
8104 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8106 * rtl.h: Remove the prototypes for regrename_optimize and
8107 copyprop_hardreg_forward.
8109 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8111 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8112 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8113 Test against the appropriate null constant for the mode.
8114 If 'fixup_overlap' is true, swap the operands if they overlap.
8115 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8116 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8117 alpha_split_tmode_pair and adjust for above change.
8118 * config/alpha/alpha.md (movtf_internal): Adjust call to
8119 alpha_split_tfmode_pair and rely on it to swap the operands.
8120 (movti_internal): New insn and post-reload splitter.
8121 (movti): New expander.
8123 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8125 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8128 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8130 * rtlanal.c (global_reg_mentioned_p_1,
8131 global_reg_mentioned_p): Remove.
8132 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8134 * flow.c (initialize_uninitialized_subregs): Make it static.
8135 * rtl.h: Remove the prototype for
8136 initialize_uninitialized_subregs.
8138 * function.c (instantiate_virtual_regs): Make it static.
8139 * function.h: Remove the prototype for
8140 instantiate_virtual_regs.
8142 * regmove.c (regmove_optimize, combine_stack_adjustments):
8144 * rtl.h: Remove the prototypes for regmove_optimize and
8145 combine_stack_adjustments.
8147 2006-01-17 Roger Sayle <roger@eyesopen.com>
8149 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8150 (size_cost): Encode costs in bytes so that a reg-reg addition is
8151 equivalent to COSTS_N_INSNS(1).
8152 (override_options): Use the size_cost.branch_cost as the default
8153 ix86_branch_cost when optimizing for size.
8155 2006-01-18 Ben Elliston <bje@au.ibm.com>
8157 * Makefile.in (D32PBIT_FUNCS): New.
8158 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8159 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8160 D64PBIT_FUNCS and D128PBIT_FUNCS.
8161 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8162 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8164 (decnumber_dep): Define.
8165 * doc/libgcc.texi (Decimal float library routines): New node.
8166 * config/dfp-bit.h, config/dfp-bit.c: New files.
8168 2006-01-18 Ben Elliston <bje@au.ibm.com>
8170 * expr.c (emit_move_change_mode): Always adjust addresses, not
8171 just during reload. Copy replacements only during reload.
8172 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8173 emit_move_via_integer.
8175 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8177 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8178 instead of $(srcdir) and ${srcdir}.
8180 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8184 * arm.h (struct machine_function): Add pic_reg.
8185 * arm.c (arm_pic_register): Make unsigned.
8186 (arm_override_options): Only set arm_pic_register if
8187 TARGET_SINGLE_PIC_BASE.
8188 (use_return_insn): Only test for a pic register if it is fixed.
8189 (arm_compute_save_reg0_reg12_mask): Likewise.
8190 (thumb_compute_save_reg_mask): Likewise.
8191 (legitimate_pic_operand): Factor out some known invariants.
8192 (legitimize_pic_address): If we don't have a fixed pic register,
8193 then set up a pseudo in the function entry sequence. Handle the
8194 pic base being in a pseudo.
8195 (arm_load_pic_register): Handle the pic register being in a pseudo.
8196 (arm_expand_prologue): Only set up the pic register if it is fixed.
8197 (thumb_expand_prologue): Likewise.
8198 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8199 (pic_load_addr_based_insn): Likewise.
8200 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8203 2006-01-18 Ben Elliston <bje@au.ibm.com>
8205 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8206 decimal float modes for all floating point registers.
8208 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8209 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8211 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8214 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8215 even when the pointer is not NULL.
8217 2006-01-16 Ian Lance Taylor <ian@airs.com>
8219 * common.opt (ftoplevel-reorder): New option.
8220 * cgraph.c (cgraph_asm_nodes): New global variable.
8221 (cgraph_asm_last_node): New static variable.
8222 (cgraph_order): New global variable.
8223 (cgraph_create_node): Set new order field.
8224 (cgraph_varpool_node): Likewise.
8225 (decide_is_variable_needed): Return true if not
8226 flag_toplevel_reorder.
8227 (cgraph_add_asm_node): New function.
8228 * cgraph.h (struct cgraph_node): Add order field.
8229 (struct cgraph_varpool_node): Add order field.
8230 (struct cgraph_asm_node): Define.
8231 (cgraph_asm_nodes, cgraph_order): Declare.
8232 (cgraph_add_asm_node): Declare.
8233 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8235 (cgraph_varpool_assemble_pending_decls): Call it.
8236 (cgraph_output_pending_asms): New static function.
8237 (cgraph_finalize_compilation_unit): Call it.
8238 (struct cgraph_order_sort): Define.
8239 (cgraph_output_in_order): New static function.
8240 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8241 !flag_toplevel_reorder case.
8242 * c-parser.c: Include "cgraph.h".
8243 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8245 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8246 than -fno-unit-at-a-time.
8247 * doc/invoke.texi (Option Summary): Mention
8248 -fno-toplevel-reorder.
8249 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8250 -funit-at-a-time documentation.
8252 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8253 Kazu Hirata <kazu@codesourcery.com>
8255 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8257 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8259 * Makefile.in (FUNCTION_H): New. Use it instead of
8260 function.h throughout the file.
8261 * function.h: Include tree.h.
8263 2006-01-17 Ben Elliston <bje@au.ibm.com>
8265 * recog.c: Separate some functions with whitespace.
8267 2006-01-16 Richard Henderson <rth@redhat.com>
8269 Merge from gomp branch:
8270 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8271 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8272 and rename from struct inline_data. Rename callee* to dst*;
8273 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8274 transform_new_cfg, transform_return_to_modify, and
8275 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8277 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8278 (copy_decl_for_dup): Remove.
8279 * tree-inline.c (struct inline_data): Move to header.
8280 (insert_decl_map): Export.
8281 (remap_decl): Update for member name changes. Use copy_decl hook.
8282 Allow for replacement to be a non-decl. Remove dead code.
8283 (remap_type_1): Check for existing mapping.
8284 (remap_type): Export.
8285 (remap_decls): Update for member name changes.
8286 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8287 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8288 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8289 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8290 (tree_function_versioning, build_duplicate_type): Likewise.
8291 (copy_body_r): Likewise. Export.
8292 (copy_decl_for_dup): Split into ...
8293 (copy_decl_for_dup_finish, copy_decl_to_var,
8294 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8295 (replace_ref_tree, inlining_p): Remove.
8297 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8299 * ifcvt.c (if_convert): Make it static.
8300 * rtl.h: Remove the prototype for if_convert.
8302 * local-alloc.c (local_alloc): Make it static.
8303 * rtl.h: Remove the prototype for local_alloc.
8305 * loop.c (loop_optimize): Make it static.
8306 * cfgloop.h: Remove the prototype for loop_optimize.
8309 2006-01-16 DJ Delorie <dj@redhat.com>
8311 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8314 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8316 * pa.md: Disparage copies between general and floating-point registers
8317 in 32-bit move patterns.
8319 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8322 * Makefile.in (check-%): Depend on site.exp instead of
8323 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8326 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8328 * global.c (global_alloc): Make it static.
8329 * rtl.h: Remove the prototype for global_alloc.
8331 2006-01-16 Richard Guenther <rguenther@suse.de>
8333 * tree-ssa-alias.c (struct used_part): Add write_only field.
8334 (get_or_create_used_part_for): Initialize it to true.
8335 (create_overlap_variables_for): Don't create structure variables
8336 for structures that only are written to.
8337 (find_used_portions): Handle MODIFY_EXPR to track whether a
8338 structure is only written to.
8340 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8342 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8344 * basic-block.h: Remove the prototype for
8345 partition_hot_cold_basic_blocks.
8347 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8349 * cppspec.c (lang_specific_spec_functions): Remove.
8350 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8351 * gcc.h (lang_specific_spec_functions): Remove.
8352 * gccspec.c (lang_specific_spec_functions): Remove.
8354 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8356 * combine.c (record_value_for_reg): Invalidate registers
8358 (record_dead_and_set_regs_1): Likewise, by passing them to
8359 record_value_for_reg.
8360 (record_dead_and_set_regs): Invalidate stores made by a
8361 call. We do not combine across a call, but we still
8362 relied on equivalences.
8364 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8366 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8367 vrp_int_const_binop returning non-constant nodes.
8369 2006-01-16 Paul Brook <paul@codesourcery.com>
8371 * config/m68k/m68k.c (output_move_const_into_data_reg):
8372 Output correct mnemonic for mvz and mvs.
8374 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8376 * rtl-factoring.c: Add sequence abstraction algorithm.
8377 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8378 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8380 (block_has_preserve_label): New function.
8381 * common.opt: Register new pass.
8382 * Makefile.in: Ditto.
8384 * timevar.def: Ditto.
8385 * tree-pass.h: Ditto.
8386 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8387 * rtl.h (make_jump_insn_raw): Add forward decl.
8388 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8390 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8391 Roger Sayle <roger@eyesopen.com>
8393 * fold-const.c (fold_minmax): New static function.
8394 (fold_binary) <MIN_EXPR>: Call it.
8395 <MAX_EXPR>: Likewise.
8396 * stor-layout.c (place_field): Use DECL_SIZE consistently
8397 in the computation of the new record size.
8399 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8401 * cse.c (cse_condition_code_reg): Make it static.
8402 * rtl.h: Remove the prototype for cse_condition_code_reg.
8404 * combine.c (combine_instructions): Make it static.
8405 * rtl.h: Remove the prototype for combine_instructions.
8407 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8410 * tree.c (get_file_function_name_long): Concatenate the first global
8411 object name with a string derived from the input filename of the object
8414 2006-01-16 Ben Elliston <bje@au.ibm.com>
8416 * config/i386/winnt-stubs.c: Update FSF address.
8417 * config/xtensa/ieee754-df.S: Ditto.
8418 * config/xtensa/ieee754-sf.S: Ditto.
8420 2006-01-14 Ian Lance Taylor <ian@airs.com>
8422 * ifcvt.c (noce_init_if_info): New static function, broken out of
8423 noce_process_if_block.
8424 (noce_process_if_block): Call noce_init_if_info.
8425 (check_cond_move_block): New static function.
8426 (cond_move_process_if_block): New static function.
8427 (process_if_block): Call cond_move_process_if_block.
8429 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8431 * cselib.c (hash_table): Rename to cselib_hash_table.
8432 (cselib_clear_table, discard_useless_values,
8433 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8434 cselib_init, cselib_finish): Adjust uses of hash_table.
8436 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8438 PR tree-optimization/25485
8439 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8440 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8441 is known to be false and true, respectively.
8443 2006-01-14 Richard Guenther <rguenther@suse.de>
8445 PR tree-optimization/22548
8446 PR tree-optimization/22555
8447 PR tree-optimization/22501
8448 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8449 * params.def (salias-max-array-elements): New parameter.
8450 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8451 * doc/invoke.texi (salias-max-array-elements): Document.
8452 * tree-flow-inline.h (var_can_have_subvars): We also handle
8454 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8456 * tree-ssa-structalias.c (params.h): Include.
8457 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8458 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8459 (get_constraint_for): For ADDR_EXPR operating on something
8460 containing an ARRAY_REF, add all subvars to the solution.
8461 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8462 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8463 for creating MUST_DEFs.
8464 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8466 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8468 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8470 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8471 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8472 number_of_iterations_le): New functions.
8473 (number_of_iterations_special): Removed.
8474 (number_of_iterations_exit): Do not use number_of_iterations_special.
8475 * tree.c (unsigned_type_for): Always return integer type.
8477 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8478 Richard Guenther <rguenther@suse.de>
8480 PR rtl-optimization/24257
8481 * gcse.c (find_moveable_store): Only consider a store movable
8482 when the SET_SRC of the insn can be assigned to a register.
8484 2006-01-14 Ian Lance Taylor <ian@airs.com>
8486 * tree.c (tree_not_class_check_failed): New function.
8487 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8488 (tree_not_class_check_failed): Declare.
8490 2006-01-13 Ian Lance Taylor <ian@airs.com>
8492 * reload1.c (do_output_reload): Add assertion rejecting a
8495 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8497 * combine.c (struct reg_stat): Add new fields truncation_label and
8499 (record_value_for_reg): Reset truncated_to_mode.
8500 (record_truncated_value): New function.
8501 (check_promoted_subreg): Call it. Rename to check_conversions.
8502 (combine_instructions): Rename check_promoted_subreg to
8504 (reg_truncated_to_mode): New function.
8505 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8506 (gen_lowpart_or_truncate): New function.
8507 (force_to_mode): Use it instead of gen_lowpart.
8509 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8511 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8512 VAR is a tag, not its type tag.
8514 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8516 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8517 alternatives to match style of other entries.
8518 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8520 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8522 PR tree-optimization/25771
8523 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8526 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8529 * tree-inline.c (declare_return_variable): If the return variable
8530 was marked as a non gimple complex, set the return slot variable
8531 to be a non gimple comple variable.
8533 2006-01-13 Richard Guenther <rguenther@suse.de>
8535 * builtins.c (expand_builtin_sincos): New function.
8536 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8538 (expand_builtin): Expand sincos using expand_builtin_sincos.
8540 2006-01-12 DJ Delorie <dj@redhat.com>
8542 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8543 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8544 so that constant shifts can be split.
8545 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8546 (m32c_valid_pointer_mode): Make static.
8547 (shift_gen_func_for): New.
8548 (m32c_prepare_shift): Use it. Split large const shifts into
8550 * config/m32c/predicates.md (shiftcount_operand): Allow more
8552 (longshiftcount_operand): New.
8553 * doc/md.texi (Machine Constraints): Document In6.
8555 2006-01-13 Ben Elliston <bje@au.ibm.com>
8557 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8558 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8561 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8563 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8564 to try to avoid clobbering pieces of structures when we know
8565 something about the whole structure.
8566 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8568 2006-01-13 Ben Elliston <bje@au.ibm.com>
8570 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8571 return in memory, as this is no limitation is no longer present.
8573 2006-01-12 DJ Delorie <dj@redhat.com>
8575 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8576 mova with fb, and for fb+0 -> An.
8578 * config/m32c/mov.md (peephole2): Fix enabling logic.
8580 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8581 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8582 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8583 FINI_ARRAY_SECTION_ASM_OP): Define.
8585 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8587 (m32c_legitimize_reload_address): New logic to reload FB to An.
8588 (m32c_output_reg_push): Add newline.
8589 (m32c_output_reg_pop): Likewise.
8591 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8593 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8595 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8597 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8599 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8601 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8604 2006-01-11 Ben Elliston <bje@au.ibm.com>
8606 * rtlanal.c (find_reg_note): Assert insn is not null.
8608 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8610 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8613 2006-01-11 Jeff Law <law@redhat.com>
8615 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8617 (mark_threaded_blocks, register_jump_thread): New functions.
8618 (thread_through_all_blocks): Remove unwanted argument. No
8619 longer rely on e->aux to communicate thread target info.
8620 Call mark_threaded_blocks. Release the threaded_blocks
8621 bitmap and threaded_edges vector when complete.
8622 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8623 (threaded_blocks): Remove.
8624 (tree_ssa_dominator_optimize): Remove initialization and
8625 finalization of threaded_blocks. Simplify call to
8626 thread_through_all_blocks.
8627 (thread_across_edge): Call register_jump_thread rather than
8628 storing thread information into e->aux.
8629 (free_all_edge_infos): Simplify now that e->aux is no longer
8630 used to communicate with thread_through_all_blocks.
8631 * tree-flow.h (thread_through_all_blocks): Update prototype.
8632 (register_jump_thread): Prototype.
8634 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8636 * df-core.c (df_compact_blocks, df_bb_replace): Use
8637 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8639 2006-01-11 Richard Guenther <rguenther@suse.de>
8641 PR tree-optimization/25734
8642 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8643 stop propagation after successful propagation to the LHS.
8645 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8647 * basic-block.h (control_flow_graph): Change the type of
8648 x_basic_block_info to VEC(basic_block,gc) *.
8649 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8651 (SET_BASIC_BLOCK): New.
8652 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8653 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8654 * cfgbuild.c (find_basic_blocks): Likewise.
8655 * cfglayout.c (fixup_reorder_chain): Likewise.
8656 * cfgrtl.c (create_basic_block_structure,
8657 rtl_create_basic_block): Likewise.
8658 * ifcvt.c (find_if_case_1): Likewise.
8659 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8662 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8664 * Makefile.in: Removed rotted odf.c entry.
8666 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8669 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8670 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8671 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8672 output pattern modifier, not %e.
8673 * config/cris/cris.c (cris_op_str): Update comment about pattern
8675 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8676 before falling through into...
8677 <case 'E'>: Redefined from old 'e' case.
8679 2006-01-11 Jan Hubicka <jh@suse.cz>
8682 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8684 2006-01-11 Jan Hubicka <jh@suse.cz>
8686 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8687 * i386.c (x86_decompose_lea): Kill.
8688 (ix86_rtx_costs): Kill.
8690 2006-01-11 Jan Hubicka <jh@suse.cz>
8692 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8693 * cgraph.h (cgraph_node): Add inline_decl.
8694 (cgraph_insert_node_to_hashtable): Declare.
8695 (save_inline_function_body): Declare.
8696 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8698 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8699 (cgraph_function_versioning): Update call of tree_function_versioning.
8700 (save_inline_function_body): New function.
8701 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8702 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8703 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8704 (cgraph_default_inline_p): Likewise.
8705 (cgraph_decide_inlining_incrementally): Likewise.
8706 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8707 (copy_bb): Kill saving; do updating of clones.
8708 (copy_cfg_body): Kill saving.
8709 (initialize_inlined-parameters): Likewise.
8710 (expand_call_inline): Likewise.
8712 (tree_function_versioning): New parameter "update_clones".
8713 (inlining_p): Kill saving.
8714 * tree-inline.h (tree_function_versioning): Update prototype.
8715 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8718 2006-01-11 Ian Lance Taylor <ian@airs.com>
8720 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8721 Allow undoing set of machine mode.
8722 (do_SUBST): Use enums instead of is_int.
8723 (do_SUBST_MODE): New function.
8724 (SUBST_MODE): New macro.
8725 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8726 reg and trying to replace reg_regno_rtx with a new register.
8727 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8728 (simplify_set): Use SUBST_MODE.
8729 (distribute_notes): Remove code that tried to update reg notes
8730 for regno_reg_rtx changes.
8732 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8734 PR tree-optimization/23109
8735 PR tree-optimization/23948
8736 PR tree-optimization/24123
8738 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8739 * tree-cfg.c (single_noncomplex_succ): New.
8740 * tree-flow.h (single_noncomplex_succ): Declare it.
8741 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8742 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8743 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8744 insert_bb, register_division_in, insert_reciprocals,
8745 replace_reciprocal, free_bb): New.
8746 (execute_cse_reciprocals_1): Rewritten.
8747 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8748 Do not commit any edge insertion. Always compute dominators and
8749 create the allocation pool.
8750 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8751 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8752 * targhooks.c (default_min_divistions_for_recip_mul): New.
8753 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8754 * passes.c (init_optimization_passes): Run recip after tree loop
8756 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8758 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8759 Kenneth Zadeck <zadeck@naturalbridge.com>
8761 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8762 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8763 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8764 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8765 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8766 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8767 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8768 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8769 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8770 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8771 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8772 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8773 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8774 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8775 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8776 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8777 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8778 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8779 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8780 DF_SCAN_POST_ALLOC): New macros.
8781 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8782 df_free_bb_function, df_local_compute_function, df_init_function,
8783 df_dataflow_function, df_confluence_function_0,
8784 df_confluence_function_n, df_transfer_function,
8785 df_finalizer_function, df_free_function, df_dump_problem_function,
8786 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8787 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8788 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8789 df_urec_bb_info, ) New types.
8790 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8792 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8793 df_analyze_simple_change_some_blocks,
8794 df_analyze_simple_change_one_block, df_compact_blocks,
8795 df_bb_replace, df_bb_regno_last_use_find,
8796 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8797 df_insn_regno_def_p, df_find_def, df_find_use,
8798 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8799 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8800 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8801 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8802 debug_df_chain, df_get_dependent_problem, df_chain_create,
8803 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8804 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8805 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8806 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8807 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8808 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8809 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8810 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8811 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8812 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8813 df_reorganize_refs, df_set_state, df_hard_reg_init,
8814 df_read_modify_subreg_p) New public functions.
8815 * df-core.c: The core dataflow solver and glue routines for rtl
8817 (df_init, df_add_problem, df_set_blocks, df_finish,
8818 df_hybrid_search_forward, df_hybrid_search_backward,
8819 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8820 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8821 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8822 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8823 df_reg_defined, df_find_use, df_reg_used, df_dump,
8824 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8825 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8826 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8827 debug_df_useno, reset_df_after_reload): New functions.
8828 * df-scan.c: The scanning fuctions, once in df.c, completely
8829 rewritten so that they now fully model the functionality of
8830 register usage at the backend.
8831 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8832 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8833 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8834 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8835 df_get_artificial_defs, df_get_artificial_uses,
8836 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8837 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8838 df_refs_delete, df_reorganize_refs, df_set_state,
8839 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8840 df_def_record_1, df_defs_record, df_uses_record,
8841 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8842 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8843 df_record_exit_block_uses, df_hard_reg_init): New functions.
8845 * df-problems.c: Seven concrete dataflow problems that use the
8846 scanning in df-scan.c and are solved by the engine in df-core.c.
8847 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8848 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8849 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8850 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8851 df_ru_free_bb_info, df_ru_alloc,
8852 df_ru_bb_local_compute_process_def,
8853 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8854 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8855 df_ru_transfer_function, df_ru_free, df_ru_dump,
8856 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8857 df_rd_free_bb_info, df_rd_alloc,
8858 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8859 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8860 df_rd_transfer_function, df_rd_free, df_rd_dump,
8861 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8862 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8863 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8864 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8865 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8866 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8867 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8868 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8869 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8870 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8871 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8872 df_urec_mark_reg_use_for_earlyclobber,
8873 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8874 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8875 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8876 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8877 df_chain_create_bb_process_use, df_chain_create_bb,
8878 df_chain_finalize, df_chain_free, df_chains_dump,
8879 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8880 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8881 df_reg_lifetime): New functions.
8882 * df.c: Deleted file.
8883 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8884 consistent with new df api.
8885 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8886 rest_of_handle_sms): Ditto.
8887 * web.c (unionfind_union, union_defs, entry_register, web_main):
8889 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8890 invariant_expr_equal_p, find_defs, check_dependencies,
8891 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8892 free_inv_motion_data, move_loop_invariants): Ditto.
8893 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8894 Update dependencies.
8895 (odf.c): Added defective entry that was deleted later in day.
8896 * sched-deps.c (sched_analyze_1): Ditto.
8898 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8900 * tree-ssa-operands.c (get_expr_operands): Record addressable
8901 variables directly. Do not call add_stmt_operands for CONST_DECLs
8903 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8904 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8906 2006-01-11 Ben Elliston <bje@au.ibm.com>
8908 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8909 function returns true in the positive case.
8911 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8914 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8915 for SI, DI, SF and DF modes. Add alternatives to copy between
8916 general and floating point registers to the 32-bit patterns.
8917 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8918 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8919 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8920 generating 64-bit code.
8921 * config/pa/pa.c (output_move_double): Handle copies between general
8922 and floating registers.
8924 2006-01-10 Stuart Hastings <stuart@apple.com>
8926 * config/i386/i386.md (set_got): Update.
8927 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8928 (builtin_setjmp_receiver): Mach-O support.
8929 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8930 (GOT_SYMBOL_NAME): Define.
8931 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8932 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8933 * config/i386/i386.c (override_options): Revise for Darwin.
8934 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8935 support. (darwin_x86_file_end): New. (output_set_got): Add label
8936 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8937 * config/i386/i386-protos.h (output_set_got): Likewise.
8938 * config/darwin.c (machopic_legitimize_pic_address): Update
8941 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8943 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8944 when MODE isn't BLKmode.
8946 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8948 PR rtl-optimization/25367
8949 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8951 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8954 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8955 for a negative bound.
8957 2006-01-10 Richard Guenther <rguenther@suse.de>
8959 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8960 Never override with anything constraint.
8962 2006-01-10 Jan Beulich <jbeulich@novell.com>
8964 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8965 256 bits when optimize_size.
8967 2006-01-10 Jan Beulich <jbeulich@novell.com>
8969 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8971 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8972 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8975 2006-01-10 Ben Elliston <bje@au.ibm.com>
8977 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8979 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8980 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8981 (USE_FP_FOR_ARG): Reject decimal float modes.
8982 (function_arg_advance): Likewise.
8983 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8984 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8985 point types in AltiVec vectors.
8986 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8987 (rs6000_libcall_value): Likewise.
8989 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8991 * config/xtensa/ieee754-df.S: New file.
8992 * config/xtensa/ieee754-sf.S: New file.
8993 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8994 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8995 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8997 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8999 * config/sh/predicates.md (binary_float_operator,
9000 binary_logical_operator, commutative_float_operator,
9001 equality_comparison_operator, greater_comparison_operator,
9002 less_comparison_operator, logical_operator,
9003 noncommutative_float_operator, shift_operator,
9004 symbol_ref_operand, unary_float_operator): Remove redundant
9007 2006-01-09 Jeff Law <law@redhat.com>
9009 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9010 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9011 now unused arguments. Callers updated.
9012 (eliminate_redundant_computations): Remove now unused arguments,
9014 (local_fold): Remove, no longer used.
9015 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9017 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9018 (simplify_cond): New function.
9019 (forward_propagate_into_cond): Call simplify_cond.
9021 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9023 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9024 (*vec_extractv2di_1_sse): New.
9026 2006-01-09 Ben Elliston <bje@au.ibm.com>
9028 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9030 2006-01-08 Richard Guenther <rguenther@suse.de>
9032 * tree-ssa-structalias.c (get_constraint_for): Remove
9034 (get_constraint_for_component_ref): Likewise.
9035 (do_deref): Likewise.
9036 (get_constraint_for): Likewise.
9037 (do_structure_copy): Likewise.
9038 (handle_ptr_arith): Likewise.
9039 (find_func_aliases): Likewise. Remove unused need_anyoffset
9042 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9043 Kaz Kojima <kkojima@gcc.gnu.org>
9045 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9046 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9047 (EXTRA_CONSTRAINT_C16): Remove.
9048 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9049 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9050 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9051 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9052 constants of SHmedia. Handle nested constant expressions of
9054 (andcosts): Fix the costs for SHmedia constants.
9055 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9056 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9057 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9058 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9059 (movv4hi_i, movv2si_i): Likewise.
9060 (movsi_const): Adjust the second operand of ior so to match with
9062 (movdi_const, movdi_const_32bit): Likewise.
9063 (movdi_const_16bit+1): Don't sign-extend LOW.
9064 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9066 (*double_shori): Fix the split condition. Use GEN_INT instead
9067 of get_int_mode calls. Mask lower 16-bit of the argument of
9069 (sym2GOTPLT): Remove.
9070 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9072 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9073 instead of EXTRA_CONSTRAINT_C16.
9075 2006-01-07 Ian Lance Taylor <ian@airs.com>
9076 David Edelsohn <edelsohn@gnu.org>
9078 PR rtl-optimization/25662
9079 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9080 for constant operands instead of simplify_gen_binary.
9081 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9082 after trying simplify_binary_operation
9084 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9086 * tree.c (iterative_hash_expr): Hash decls based on UID.
9088 2006-01-06 Eric Christopher <echristo@apple.com>
9090 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9091 (TARGET_UNWIND_EMIT): Fix spelling.
9092 * target.h (gcc_target): Add except_table_label.
9093 * except.c (output_function_exception_table): Use.
9094 * varasm.c (default_emit_except_table_label): New.
9095 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9097 (asm_out): Add here.
9098 * output.h (default_emit_except_table_label): Prototype.
9099 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9100 * config/darwin.c (darwin_emit_except_table_label): Define.
9101 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9103 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9105 PR tree-optimization/18527
9106 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9107 number_of_iterations_special, number_of_iterations_exit):
9108 Move base and step of an iv to a single structure. Add
9109 no_overflow flag, and use it in # of iterations analysis.
9110 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9111 folded_casts argument.
9112 (simple_iv): Pass base and step in a structure. Set no_overflow
9114 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9115 Evaluate expensiveness of computing # of iterations instead of
9116 the final expression.
9117 * tree-scalar-evolution.h (affine_iv): New structure.
9118 (simple_iv): Declaration changed.
9119 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9120 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9121 find_givs_in_stmt): Changed due to simple_iv change.
9123 2006-01-06 Jeff Law <law@redhat.com>
9126 * tree-cfg.c (bsi_replace): Rename final argument from
9127 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9128 change (stmt -> orig_stmt).
9129 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9130 (bsi_remove): Add new argument. Remove EH information
9132 (verify_eh_throw_table_statements): New function.
9133 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9135 * tree-optimize.c (execute_free_cfg_annotations): Verify
9136 the EH throw statement table after removing annotations.
9137 * except.h (verify_eh_throw_table_statements): Prototype.
9138 * tree-flow.h (bsi_remove): Update prototype.
9139 * tree-vrp.c (remove_range_assertions): Add new argument to
9141 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9142 * tree-complex.c (expand_complex_div_wide): Likewise.
9143 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9144 * tree-tailcall.c (eliminate_tailcall): Likewise.
9145 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9146 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9147 * tree-nrv.c (tree_nrv): Likewise.
9148 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9149 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9150 (combine_blocks): Likewise.
9151 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9152 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9153 (cleanup_control_flow): Likewise.
9154 (remove_forwarder_block): Likewise.
9155 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9156 * tree-sra.c (sra_replace): Likewise.
9157 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9158 (forward_propagate_single_use_vars): Likewise.
9159 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9160 * tree-inline.c (expand_call_inline): Likewise.
9161 * tree-vect-transform.c (vect_transform_loop): Likewise.
9162 * tree-outof-ssa.c (rewrite_trees): Likewise.
9163 * tree-cfg.c (make_goto_expr_edges): Likewise.
9164 (cleanup_dead_labels): Likewise.
9165 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9166 (bsi_move_before, bsi_move_after): Likewise.
9167 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9168 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9170 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9173 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9175 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9176 on non gimple variables. Also add checks at the top for decls and
9178 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9180 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9181 and IMAGPART_EXPR for creating MUST_DEFs.
9182 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9183 and NAME_MEMORY_TAG separately from the DECLs.
9185 2006-01-06 Richard Guenther <rguenther@suse.de>
9187 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9188 annotation, if necessary.
9189 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9190 redundant calls to update_stmt.
9191 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9194 2006-01-05 Richard Henderson <rth@redhat.com>
9196 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9198 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9200 * c-typeck.c: Update copyright date.
9202 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9204 * c-typeck.c (build_c_cast): Always warn when casting
9205 from a pointer to an integer of different size, even if
9206 the node was constant.
9208 2006-01-05 Richard Guenther <rguenther@suse.de>
9210 PR tree-optimization/22555
9211 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9212 if one structure field is an array.
9213 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9214 operands even if we found a subvar, but ignore VOPs in this
9216 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9218 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9220 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9223 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9225 2006-01-05 Richard Guenther <rguenther@suse.de>
9226 Diego Novillo <dnovillo@redhat.com>
9228 * tree-pass.h (TODO_remove_unused_locals): Define.
9229 * gimple-low.c (expand_var_p, remove_useless_vars,
9230 pass_remove_useless_vars): Remove. Update all users.
9231 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9232 (remove_unused_locals): New function.
9233 * tree-flow.h (remove_unused_locals): Declare.
9234 * passes.c (execute_todo): Call remove_unused_locals if
9235 TODO_remove_unused_locals is set.
9236 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9237 * tree-ssa-dce.c (pass_dce): Likewise.
9238 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9240 2006-01-05 Richard Guenther <rguenther@suse.de>
9242 * tree-flow.h (struct fieldoff): Decompose field to
9243 type, size and decl.
9244 * tree-ssa-alias.c (create_sft): Take type as parameter.
9245 (create_overlap_variables_for): Store type, size and decl
9246 in the fieldoff structure.
9247 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9249 (push_fields_onto_fieldstack): Likewise.
9250 (create_variable_info_for): Likewise. Use offset for the
9251 SFT name if the decl is not available.
9253 2006-01-04 Paul Brook <paul@codesourcery.com>
9255 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9257 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9259 * lambda-code.c (can_put_in_inner_loop): Relax
9261 (can_put_after_inner_loop): New function.
9262 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9263 (perfect_nestify): Change to make copies and modify uses.
9265 2006-01-04 Richard Henderson <rth@redhat.com>
9267 Merge from gomp branch:
9268 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9269 via integer constant.
9270 (pragma_lex): Remove.
9271 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9272 rather than parsing it.
9273 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9274 handle_pragma_extern_prefix): Add %< %> quotes.
9275 (registered_pragmas): New.
9276 (c_register_pragma_1): New.
9277 (c_register_pragma): Use it.
9278 (c_register_pragma_with_expansion): Likewise.
9279 (c_invoke_pragma_handler): New.
9280 (init_pragma): Use cpp_register_deferred_pragma directly for
9282 * c-pragma.h (enum pragma_kind): New.
9283 (pragma_handler): New.
9284 (c_invoke_pragma_handler): Declare.
9285 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9287 * c-common.h (c_common_pch_pragma): Update decl.
9288 * Makefile.in (c-parser.o): Update dependencies.
9289 (GTFILES): Add c-pragma.h.
9290 * c-parser.c (struct c_token): Add pragma_kind.
9291 (struct c_parser): Add in_pragma.
9292 (c_lex_one_token): Always initialize keyword and pragma_kind.
9293 Extract data for CPP_PRAGMA.
9294 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9295 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9296 Don't allow CPP_PRAGMA_EOL if in_pragma.
9297 (c_parser_consume_pragma): New.
9298 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9299 (c_parser_skip_to_end_of_parameter): Likewise.
9300 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9301 (c_parser_skip_to_pragma_eol): New.
9302 (c_parser_external_declaration): Handle CPP_PRAGMA.
9303 (c_parser_compound_statement_nostart): Likewise.
9304 (c_parser_statement_after_labels): Likewise.
9305 (c_parser_pragma): New.
9306 (pragma_lex): Likewise.
9307 (c_parser_pragma_pch_preprocess): New.
9308 (c_parser_new): Merge into ...
9309 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9311 2006-01-04 Jeff Law <law@redhat.com>
9314 * tree-cfg.c (bsi_replace): Remove the original statement
9315 from the EH throw statement table.
9317 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9319 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9320 make the prototype extern "C" and add throw ().
9323 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9324 and pos non-negative and pos + len <= 32.
9325 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9326 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9327 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9330 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9331 as well as sizes not multiple of component size.
9334 * function.c (instantiate_expr): New function.
9335 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9336 walk its DECL_VALUE_EXPR with instantiate_expr.
9338 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9339 DW_OP_deref{,_size} if address isn't going to be added.
9341 2006-01-04 Ben Elliston <bje@au.ibm.com>
9343 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9344 * config/fp-bit.c: Likewise.
9346 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9348 * dominance.c: Add comment about why we use DFS numbering
9351 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9352 Richard Henderson <rth@redhat.com>
9354 Merge from gomp-branch:
9355 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9356 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9358 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9360 PR rtl-optimization/25578
9361 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9362 pass a parameter to simplify_shift_const if changing ASHIFTRT
9365 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9367 * builtins.c (get_builtin_sync_mem): New function.
9368 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9369 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9370 Call get_builtin_sync_mem to generate mem rtx.
9372 2006-01-03 Richard Guenther <rguenther@suse.de>
9375 * stmt.c (add_case_node): Make sure to clear overflow flags
9378 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9380 Merge from gomp-branch.
9381 * config/sparc/sync.md: New file.
9382 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9383 UNSPECV_LDSTUB): New constants.
9384 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9385 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9386 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9389 2006-01-03 Roger Sayle <roger@eyesopen.com>
9391 * combine.c (reg_subword_p): New predicate to test whether the
9392 destination of a set refers to a subword/piece of a register.
9393 (try_combine): Generalize the code to merge the setting of a
9394 pseudo to a constant followed by a set of a subword of that
9395 register to a constant.
9397 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9399 * basic-block.h (control_flow_graph): Change the type of
9400 x_label_to_block_map to VEC(basic_block,gc) *.
9401 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9402 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9404 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9405 VEC(basic_block,heap) *.
9406 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9407 ssa_prop_fini): Adjust the uses of cfg_blocks.
9409 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9411 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9413 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9414 hashing trees instead of a pointer hash.
9415 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9416 compare for MEM_EXPR.
9418 PR rtl-optimization/25130
9419 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9420 when comparing MEMs for GCSE
9422 2006-01-03 Ben Elliston <bje@au.ibm.com>
9424 * targhooks.h (default_decimal_float_supported_p): Declare.
9425 * targhooks.c (default_decimal_float_supported_p): Define.
9426 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9427 `default_decimal_float_supported_p'.
9428 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9430 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9432 * combine.c (apply_distributive_law <SUBREG>): Check
9433 TRULY_NOOP_TRUNCATION.
9435 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9437 * dwarf2out.c (have_switched_text_section): Delete.
9438 (have_multiple_function_sections): New.
9439 (have_location_lists): Make 'bool'.
9440 (add_AT_loc_list): Use 'true' not '1'.
9441 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9442 (output_loc_list): Use have_multiple_function_sections.
9443 (output_ranges): Likewise.
9444 (dwarf2out_begin_function): Set have_multiple_function_sections if
9446 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9447 Check function_section rather than DECL_SECTION_NAME.
9448 (dwarf2out_finish): Use have_multiple_function_sections.
9449 Don't clear have_location_lists.
9451 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9452 Jan Hubicka <jh@suse.cz>
9454 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9455 case of conditional jump jumping to the next instruction.
9456 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9457 cases of conditional jump jumping to the next instruction.
9459 2006-01-02 Jan Hubicka <jh@suse.cz>
9461 * i386.c (*_cost): Add COSTS_N_INSNS.
9462 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9464 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9467 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9469 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9471 * config/arm/arm.c (all_fpus): Fix comment typo.
9472 * config/darwin.c: Likewise.
9473 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9474 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9475 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9477 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9479 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9480 (rs6000_split_compare_and_swapqhi): New.
9481 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9482 (sync_compare_and_swapqhi_internal): New.
9483 * config/rs6000/rs6000-protos.h: Declare.