1 2006-04-15 Roger Sayle <roger@eyesopen.com>
3 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4 (integer_onep): Likewise.
5 (integer_all_onesp): Likewise.
6 (integer_pow2p): Likewise.
7 (integer_nonzerop): Likewise.
8 (real_zerop): Likewise.
10 (real_twop): Likewise.
11 (real_minus_onep): Likewise.
12 (int_size_in_bytes): Likewise.
13 (host_integerp): Likewise.
15 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
17 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
18 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
19 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
21 * tree-ssa-structalias.h (alias_info): Remove num_references.
23 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
25 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
26 (output_bvb patterns): Likewise.
27 * pa.c (output_bb): Use 'bb' insn for long branch case.
28 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
29 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
30 1. Correct length operand for alternatives 1 and 2.
31 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
32 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
34 2006-04-14 Roger Sayle <roger@eyesopen.com>
36 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
37 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
38 were accidentally reverted by r112959.
40 2006-04-15 Jakub Jelinek <jakub@redhat.com>
43 * except.h (eh_region_outermost): New prototype.
44 * except.c (eh_region_outermost): New function.
45 * tree-cfg.c (find_outermost_region_in_block): Use it.
47 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
49 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
51 * reload1.c (reg_equiv_memory_loc_varray): Rename to
52 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
53 (init_reload, reload): Use VEC instead of VARRAY.
54 * reload.h: Update the prototype for
55 reg_equiv_memory_loc_varray.
57 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
58 Eric Botcazou <ebotcazou@libertysurf.fr>
60 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
63 2005-04-13 Uros Bizjak <uros@kss-loka.si>
66 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
67 to expand fallback builtin function call.
69 2006-04-14 Alan Modra <amodra@bigpond.net.au>
72 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
73 and emit libcall here in case the builtin fails.
74 (expand_builtin_strcmp): Always emit the libcall here on failure.
76 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
78 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
79 * flow.c (reg_n_info): Change the type to
80 VEC(reg_info_p,heap) *.
81 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
83 * regs.h (reg_info_p): New.
84 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
85 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
86 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
89 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
91 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
93 * params.h (MAX_SCHED_READY_INSNS): New macro.
94 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
95 past MAX_SCHED_READY_INSNS during the first scheduling pass.
96 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
97 the ready list for 1 cycle during the first scheduling pass.
98 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
100 2006-04-13 Richard Henderson <rth@redhat.com>
103 * gimple-low.c (lower_omp_directive): Remove dead code.
104 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
105 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
106 * omp-low.c (struct omp_region): Move to tree-flow.h.
107 (root_omp_region): Export.
108 (omp_regions, lookup_omp_region): Remove.
109 (determine_parallel_type): Update for struct omp_region changes.
110 (dump_omp_region): Dump regions with block numbers.
111 (new_omp_region): Take type and block instead of stmt; malloc
113 (free_omp_region_1, free_omp_regions): New.
114 (expand_parallel_call): Take entry_stmt as argument; update for
115 changes to omp_region.
116 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
117 (remove_exit_barriers): New.
118 (expand_omp_parallel): Update for struct omp_region changes.
119 (expand_omp_synch): Likewise.
120 (expand_omp): Likewise.
121 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
122 (expand_omp_for_static_chunk): Likewise.
123 (expand_omp_for): Likewise.
124 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
125 (expand_omp_sections): Similarly, with GOMP_sections_end.
126 (expand_omp_single): New.
127 (build_omp_regions_1): Update for OMP_CONTINUE.
128 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
129 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
130 OMP_SECTIONS_SECTIONS.
131 (lower_omp_single_simple): Don't emit barrier here.
132 (lower_omp_single_copy): Likewise.
133 (lower_omp_single): Fix bindings, and lower to straightline now.
134 (lower_omp_master, lower_omp_ordered): Likewise.
135 (lower_omp_critical): Likewise.
136 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
137 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
138 omp edges, free it afterward.
139 (make_omp_sections_edges): Remove.
140 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
141 (move_stmt_r): Handle OMP_CONTINUE.
142 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
143 statement pointers to basic blocks. Add type member.
144 (root_omp_region, new_omp_region, free_omp_regions): Declare.
145 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
146 * tree-inline.c (estimate_num_insns_1): Likewise.
147 * tree-pretty-print.c (dump_generic_node): Likewise.
148 * tree-ssa-operands.c (get_expr_operands): Likewise.
149 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
150 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
152 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
153 (OMP_SECTIONS_SECTIONS): Remove.
154 (OMP_SECTION_LAST): New.
155 (OMP_RETURN_NOWAIT): New.
157 2006-04-13 Roger Sayle <roger@eyesopen.com>
159 * fold-const.c (native_encode_vector, native_interpret_real):
160 Correct obvious mistakes in the previous check-in.
162 2006-04-13 Roger Sayle <roger@eyesopen.com>
164 * fold-const.c (native_encode_expr): New function to encode
165 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
166 or VECTOR_CST into a specified buffer.
167 (native_encode_int): New function.
168 (native_encode_real): New function.
169 (native_encode_complex): New function.
170 (native_encode_vector): New function.
171 (native_interpret_expr): Inverse of native_encode_expr to convert
172 a target representation into an INTEGER_CST, REAL_CST etc...
173 (native_interpret_int): New function.
174 (native_interpret_real): New function.
175 (native_interpret_complex): New function.
176 (native_interpret_vector): New function.
177 (fold_view_convert_expr): New function to constant fold/evaluate
178 a VIEW_CONVERT_EXPR of a suitable constant expression.
179 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
180 Change call of build1 to fold_build1 when constructing a
183 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
184 Ulrich Weigand <uweigand@de.ibm.com>
187 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
190 2006-04-13 Alan Modra <amodra@bigpond.net.au>
193 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
194 optimize to lo_sum for DFmode if !TARGET_FPRS.
196 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
198 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
199 delete_alias_info, compute_flow_sensitive_aliasing,
200 group_aliases): Use VEC instead of VARRAY.
201 * tree-ssa-structalias.c (update_alias_info): Likewise.
202 * tree-ssa-structalias.h (alias_info): Change the type of
203 processed_ptrs to VEC(tree,heap) *.
205 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
208 * config/sh/lib1funcs.h: New file, broken out of:
209 * config/sh/lib1funcs.asm.
210 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
212 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
213 * config/sh/lib1funcs-Os-4-200.asm: New file.
214 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
215 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
216 (EXTRA_MULTILIB_PARTS): Include it.
217 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
218 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
219 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
220 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
223 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
225 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
226 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
227 tpa_compact, root_var_init, type_var_init): Use VEC instead of
229 * tree-ssa-live.h: Include vecprim.h.
230 (tree_partition_associator_d): Change the type of
231 first_partition to VEC(int,heap) *.
232 (tpa_first_partition): Use VEC instead of VARRAY.
234 * Makefile.in (GTFILES): Move functions.h after tree.h.
235 * function.c (reset_block_changes, record_block_change,
236 check_block_change, free_block_changes): Use VEC instead of
238 * function.h (function): Change the type of
239 ib_boundaries_block to VEC(tree,gc) *.
240 * tree-inline.c (copy_cfg_body): Initialize
241 ib_boundaries_block to NULL instead of (varray_type) 0.
243 2006-04-12 Roger Sayle <roger@eyesopen.com>
245 * expr.c (emit_group_store): Correct operand order in call to
246 subreg_lowpart_offset. Always create paradoxical SUBREGs with
247 a SUBREG_BYTE of zero.
249 2006-04-12 Richard Guenther <rguenther@suse.de>
251 * profile.c (compute_branch_probabilities): Remove code
252 encapsulated in !ir_type (), which are remanents of the
253 removed RTL profiling code.
254 * rtl-profile.c: Remove.
256 2006-04-12 Alan Modra <amodra@bigpond.net.au>
258 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
259 magic NULL_RTX comment.
260 (function_arg): Store entire fp arg to mem if any part should go
262 (rs6000_arg_partial_bytes): Adjust for above change.
264 2006-04-11 Roger Sayle <roger@eyesopen.com>
266 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
267 if it hasn't been initialized by dwarf2out_init.
269 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
271 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
272 symbolic constants in branch patterns.
274 2006-04-11 Roger Sayle <roger@eyesopen.com>
276 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
278 2006-04-11 Richard Sandiford <richard@codesourcery.com>
280 PR rtl-optimization/27073
281 * gcse.c (try_replace_reg): Revert last change. Continue to search
282 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
285 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
287 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
288 aggregate types other than record and union types.
289 (function_arg): Likewise.
290 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
292 (function_value): In 64-bit mode, return objects that require it
295 2006-04-11 Roger Sayle <roger@eyesopen.com>
297 * dwarf2out.c (premark_used_types): Remove problematic prototype.
299 2006-04-11 Jakub Jelinek <jakub@redhat.com>
301 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
303 2006-04-03 Jeff Law <law@redhat.com>
306 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
307 alias information too.
309 2006-04-10 Mike Frysinger <vapier@gentoo.org>
311 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
313 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
316 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
317 (premark_used_types_helper): New.
318 (premark_used_types): New.
319 (gen_subprogram_die): Call premark_used_types.
320 (prune_unused_types_walk): Do not prune perennial dies.
321 * function.c (used_types_insert): New.
322 * function.h (struct function): Add used_types_hash field.
323 (used_types_insert): Add prototype.
324 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
325 * c-parser.c (c_parser_cast_expression): Save casted types in used
328 2006-04-11 Mark Mitchell <mark@codesourcery.com>
331 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
332 rs6000_explicit_options.float_gprs.
334 2006-04-10 Roger Sayle <roger@eyesopen.com>
336 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
337 from ix86_expand_vector_init_low_nonzero. Take an additional
338 one_var argument indicating which element is non-zero. Support
339 one_var != 0 for V4SFmode and V4SImode by permuting the result.
340 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
341 with one_var instead of ix86_expand_vector_init_low_nonzero.
343 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
345 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
346 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
347 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
348 build/genextract.o): Depend on vecprim.h.
349 * cfglayout.c, df-problems.c, function.c, genextract.c,
350 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
351 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
355 2006-04-10 Geoffrey Keating <geoffk@apple.com>
357 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
358 Declare VECs of this type.
359 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
360 (remove_children): Delete.
361 (add_dwarf_attr): Use VEC routines.
362 (add_AT_flag): Update for changes to add_dwarf_attr.
363 (add_AT_int): Likewise.
364 (add_AT_unsigned): Likewise.
365 (add_AT_long_long): Likewise.
366 (add_AT_vec): Likewise.
367 (add_AT_string): Likewise.
368 (add_AT_die_ref): Likewise.
369 (add_AT_fde_ref): Likewise.
370 (add_AT_loc): Likewise.
371 (add_AT_loc_list): Likewise.
372 (add_AT_addr): Likewise.
373 (add_AT_lbl_id): Likewise.
374 (add_AT_lineptr): Likewise.
375 (add_AT_macptr): Likewise.
376 (add_AT_offset): Likewise.
377 (add_AT_range_list): Likewise.
378 (get_AT): Use VEC_iterate.
379 (remove_AT): Use VEC_ordered_remove.
380 (free_die): Fold remove_children into here; have it use VEC_iterate.
381 (print_die): Use VEC_iterate on attrs.
382 (reverse_die_lists): Don't reverse attr lists.
383 (die_checksum): Use VEC_iterate on attrs.
384 (same_die_p): Likewise.
385 (output_location_lists): Likewise.
386 (build_abbrev_table): Likewise.
387 (size_of_die): Likewise.
388 (unmark_all_dies): Likewise.
389 (output_abbrev_section): Likewise.
390 (output_die): Likewise.
391 (prune_unused_types_walk_attribs): Likewise.
393 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
395 * doc/install.texi (*-*-solaris2*): Point to the configure page.
397 2006-04-10 Jakub Jelinek <jakub@redhat.com>
400 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
402 2006-04-09 Roger Sayle <roger@eyesopen.com>
404 * expr.c (store_constructor): Don't bother clearing target if
405 we're about to assign a vector to it using vec_init_optab.
407 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
409 * tree-ssa-alias.c (lhs_may_store_to): New function.
410 (recalculate_used_alone): Handle LHS of calls.
412 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
416 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
417 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
418 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
419 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
420 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
421 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
422 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
423 stubs. Add ".align 8" directives before all ".dword" directives.
424 (GTHREAD_USE_WEAK): Revise comment.
425 (TARGET_ATTRIBUTE_WEAK): Define.
426 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
427 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
428 * stublib.c: New file.
433 * pa.md (cbranch patterns): Revise arguments used in calls to
434 output_cbranch, output_bb and output_bvd. Add long branch length
436 (fbranch patterns): Handle long branches.
437 (jump): Revise length check. Revise arguments for output_lbranch call.
438 Add long branch length attributes.
439 (decrement_and_branch_until_zero): Add long branch length attributes.
440 (output_movb, output_parallel_addb and output_parallel_movb patterns):
441 Likewise. Revise arguments for output_parallel_addb and
442 output_parallel_movb calls.
443 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
444 output_parallel_movb and output_parallel_addb): Update prototypes.
445 * pa.c (output_cbranch): Revise arguments. Correct handling of
446 nullification in long branches.
447 (output_lbranch): Add new argument to control extraction of delay
449 (output_bb): Handle long branches.
450 (output_bvb, output_dbra, output_movb, output_parallel_movb,
451 output_parallel_addb): Likewise.
453 2006-04-09 Richard Sandiford <richard@codesourcery.com>
455 PR rtl-optimization/27073
456 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
459 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
461 * tree.h (tree_memory_tag): Add old_used_alone.
462 (SMT_OLD_USED_ALONE): New macro.
463 * tree-ssa-alias.c (recalculate_used_alone): Stop
464 marking things for renaming unnecessarily.
466 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
468 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
469 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
470 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
471 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
472 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
473 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
474 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
475 spelling convensions.
476 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
477 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
478 typos. Follow spelling conventions.
480 2006-04-07 DJ Delorie <dj@redhat.com>
482 * config/m32c/m32c.c (m32c_function_arg): Structures are always
484 (m32c_init_cumulative_args): When a function returns a structure,
485 always pass the pointer to that return area on the stack.
486 (m32c_function_arg_advance): Don't increment the parameter number
487 if we're processing the returned structure pointer.
488 (pushm_info): Reverse order of registers.
490 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
492 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
493 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
494 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
495 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
497 * tree-chrec.c (chrec_fold_multiply_poly_poly,
498 chrec_fold_multiply): Same.
499 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
500 force_expr_to_var_cost): Same.
501 * tree-mudflap.c (mf_xform_derefs_1): Same.
502 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
504 2006-04-07 David Edelsohn <edelsohn@gnu.org>
506 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
507 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
510 2006-04-07 Jan Hubicka <jh@suse.cz>
512 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
514 2006-04-07 Richard Guenther <rguenther@suse.de>
516 PR tree-optimization/26135
517 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
518 loads for store copy-prop.
519 (copy_prop_visit_stmt): Likewise.
521 2006-04-05 Robert Millan <robertmh@gnu.org>
523 * gcc/config/i386/linux.h: Add a comment to mark macros that are
524 being overriden in config/k*bsd-gnu.h.
525 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
527 * gcc/config/knetbsd-gnu.h: Ditto.
529 2006-04-06 Jan Hubicka <jh@suse.cz>
533 * coverage.c (coverage_checksum_string): Reorganize loop to not read
536 2006-04-06 Mike Stump <mrs@apple.com>
538 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
539 for HAVE_nonlocal_goto to be consistent.
540 (expand_builtin_nonlocal_goto): Likewise.
541 (expand_builtin_strcmp): Use #ifdef instead of #if
542 for HAVE_cmpstrnsi to be consistent.
544 2006-04-05 DJ Delorie <dj@redhat.com>
546 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
549 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
551 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
552 got-relative addressing for anything but SImode.
554 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
555 even if the calling function doesn't modify them.
557 2006-04-05 Richard Guenther <rguenther@suse.de>
559 PR tree-optimization/26919
560 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
561 to cgraph_estimate_size_after_inlining.
563 2006-04-05 Alan Modra <amodra@bigpond.net.au>
565 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
567 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
569 PR tree-optimization/26996
570 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
571 VECTOR_TYPE variables.
573 2006-04-05 Richard Guenther <rguenther@suse.de>
575 PR tree-optimization/26763
576 * fold-const.c (fold_comparison): Move folding of
577 PTR + CST CMP PTR + CST ...
578 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
580 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
582 * doc/install.texi (Prerequisites): Refine some wording on
583 bootstrapping and ksh.
584 Move the version numbers of DejaGnu here from the testing section
585 and fix casing of names.
586 Fix markup and clarify wording for autogen requirements.
587 Refer to GCJ instead of just java.
588 Refer to SVN instead of CVS.
589 Describe diffutils as useful instead of necessary.
590 (Downloading the source): Refer to SVN instead of CVS.
591 Adjust a link to our web site accordingly.
592 (Configuration): Fix casing of Bison.
593 (Building): Refer to SVN instead of CVS.
594 Fix a sentence on the use of Bison and remove duplicate (and
595 incorrect) version number of Bison requirement.
596 Remove one redundant list of packages needed for building.
597 (Specific): Avoid reference to CVS.
599 2006-04-04 Eric Christopher <echristo@apple.com>
601 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
602 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
603 (rs6000_handle_struct_attribute): New.
604 (rs6000_ms_bitfield_layout_p): Ditto.
606 2006-04-04 Geoffrey Keating <geoffk@apple.com>
608 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
609 NULL for dso parameter to atexit_common.
611 2006-04-04 Eric Christopher <echristo@apple.com>
613 * config/i386/i386.c (machopic_output_stub): Output \t
614 between instructions and operands.
616 2006-04-04 David Edelsohn <edelsohn@gnu.org>
618 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
619 satisfies_constraint_[IL] to explicit tests on value.
621 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
623 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
624 set_nb_iterations_in_loop): Use build_int_cst instead of
626 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
627 build_int_cst instead of convert.
629 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
631 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
632 new value 2 for incoming.
633 * function.c (expand_function_start): Call struct_value_rtx
635 * config/sparc/sparc.md: Comment updated_return.
636 * config/sparc/sparc.opt: Add -mstd-struct-return option.
637 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
638 struct return if sparc_std_struct_return and incoming is 2.
639 (print_operand): Do not adjust return if
640 sparc_std_struct_return.
642 2006-04-04 Roger Sayle <roger@eyesopen.com>
644 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
645 convert in the middle-end.
646 * expr.c (store_expr, store_constructor, get_inner_reference,
647 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
649 * tree.c (build_range_type): Likewise.
651 2006-04-04 Tom Tromey <tromey@redhat.com>
653 * doc/install.texi (Prerequisites): Mention jar.
655 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
657 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
660 2006-04-04 Matthias Klose <doko@debian.org>
662 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
664 2006-04-03 Geoffrey Keating <geoffk@apple.com>
666 * doc/extend.texi (Function Attributes): Rewrite visibility
667 attribute documentation.
668 * doc/invoke.texi (C++ Dialect Options): Rewrite
669 -fvisibility-inlines-hidden documentation to describe something
670 entirely different, although in practise compatible.
671 (Code Gen Options): Warn about system headers in -fvisibiltity=
674 * doc/extend.texi (Other Builtins): Document that
675 __builtin_nan is a compile-time constant only when its argument
678 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
680 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
681 trying to remove TRUNCATE check if all bits outside the new mode
682 are identical to the sign bit.
684 2006-04-03 Jeff Law <law@redhat.com>
686 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
687 and operand scanning in some common cases.
689 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
690 Dale Johannesen <dalej@apple.com>
693 * regclass.c (struct reg_pref): Update documentation.
694 (regclass): Set prefclass to NO_REGS if memory is the best option.
695 (record_reg_classes): Cope with a prefclass set to NO_REGS.
696 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
697 into account. For non-registers, equate an empty preferred
698 reload class to a `!' in the constraint; move the if clause to
699 do so after those that reject the insn.
700 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
702 (find_dummy_reload): Likewise.
703 * doc/tm.texi (Register Classes): Document what it means
704 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
705 * config/i386/i386.c (ix86_preferred_reload_class): Force
706 using SSE registers (and return NO_REGS for floating-point
707 constants) if math is done with SSE.
708 (ix86_preferred_output_reload_class): New.
709 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
710 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
711 * config/i386/i386.md: Remove # register preferences.
713 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
716 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
717 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
719 (instantiate_parameters_1): Convert the operands before calling
720 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
721 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
723 2006-04-02 Roger Sayle <roger@eyesopen.com>
725 * builtins.c (dummy_object): Use build_int_cst instead of convert.
726 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
728 * dojump.c (do_jump): Likewise.
729 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
730 * gimplify.c (gimple_boolify, gimplify_init_constructor,
731 gimplify_boolean_expr): Likewise.
732 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
733 * varasm.c (array_size_for_constructor): Likewise.
734 * tree-object-size.c (compute_object_offset): Likewise.
736 2006-04-02 Roger Sayle <roger@eyesopen.com>
739 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
740 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
742 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
744 PR tree-optimization/26939
745 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
747 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
749 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
750 at_stmt. Convert the type of operands before calling
751 build_polynomial_chrec.
752 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
754 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
755 (instantiate_parameters_1): Convert the type of operands before calling
756 build_polynomial_chrec.
757 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
758 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
759 reset_evolution_in_loop): Insert asserts to check the types of the
761 (chrec_type): Moved...
762 (eq_evolutions_p): Use operand_equal_p.
763 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
764 the types of the operands.
765 (chrec_type): ...here.
766 * tree-data-ref.c (create_data_ref): Convert the operands before
767 calling chrec_replace_initial_condition.
768 (same_access_functions, analyze_subscript_affine_affine,
769 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
770 (compute_subscript_distance, analyze_ziv_subscript,
771 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
772 analyze_miv_subscript): Convert the operands before calling
773 chrec_fold_minus or chrec_fold_plus.
775 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
777 * tree-data-ref.c (compute_all_dependences): Use a pointer to
778 the dependence_relations vector.
779 (compute_data_dependences_for_loop): Adjust call to
780 compute_all_dependences.
782 2006-04-01 Roger Sayle <roger@eyesopen.com>
783 Richard Henderson <rth@redhat.com>
785 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
786 gimple_boolify on the condition before calling gimplify_expr.
788 2006-03-31 Bob Wilson <bob.wilson@acm.org>
790 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
791 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
792 the frame size. Update to use the new macros.
793 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
794 * config/xtensa/ieee754-df.S: Likewise.
796 2006-03-31 Richard Henderson <rth@redhat.com>
798 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
799 (make_edges): ... here. Control fallthru creation with a local
800 variable. Do not play with fake edges.
801 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
802 (make_goto_expr_edges): Don't play with fake edges. Make for_call
805 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
807 * dwarf2.h (DW64_CIE_ID): Define.
808 * dwarf2out.c (DWARF_CIE_ID): Define.
809 (output_call_frame_info): Output 0xffffffff before standard 8-byte
810 length header. Use DWARF_CIE_ID.
811 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
812 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
814 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
816 * config/sh/linux-atomic.asm: New file.
817 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
819 2006-03-31 DJ Delorie <dj@redhat.com>
821 * config/m32c/cond.md: Set condition flags properly throughout.
822 * config/m32c/minmax.md: Likewise.
823 * config/m32c/prologue.md: Likewise.
824 * config/m32c/bitops.md: Likewise.
825 * config/m32c/muldiv.md: Likewise.
826 * config/m32c/mov.md: Likewise.
827 * config/m32c/addsub.md: Likewise.
828 * config/m32c/m32c.md: Likewise.
829 * config/m32c/jump.md: Likewise.
830 * config/m32c/shift.md: Likewise.
832 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
833 conditionally output the pattern for this.
834 * config/m32c/m32c.c (flags_needed_for_conditional): New.
835 (m32c_compare_redundant): New.
836 (m32c_output_compare): New.
837 * config/m32c/m32c-protos.h (m32c_output_compare): New.
839 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
840 dest, not src. Allow other 4-byte modes.
842 2006-03-30 Denis Chertykov <denisc@overta.ru>
844 * doc/md.texi: Refer to avr/constraints.md instead of
847 2006-03-30 Roger Sayle <roger@eyesopen.com>
849 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
850 signed vs. unsigned comparison failures on some hosts.
852 2006-03-31 Alan Modra <amodra@bigpond.net.au>
855 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
856 change to FLOAT_REGS.
858 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
859 (rs6000_override_options): Use it.
860 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
861 only for -mabi=spe/no-spe and -mabi=altivec.
863 2006-03-30 Geoffrey Keating <geoffk@apple.com>
865 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
868 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
870 * Makefile.in: Rename docdir to gcc_docdir.
872 2006-03-30 Roger Sayle <roger@eyesopen.com>
875 * expr.c (emit_group_store): Optimize group stores into a pseudo
876 register by using a paradoxical subreg to initialize the destination
877 if the first or last member of the group specifies a "low part".
879 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
882 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
883 * target.h (struct gcc_target.speculate_insn): Change type of the
884 second parameter to 'int'.
885 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
886 the second operand of the DEPS_LIST.
887 (copy_DEPS_LIST_list): Update reference to the second operand of the
889 * rtl.h (alloc_DEPS_LIST): Update signature.
890 * sched-int.h (ds_t): Change typedef to 'int'.
891 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
893 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
895 * haifa-sched.c (try_ready): Change condition to restore
896 non-speculative pattern of the instruction.
897 (process_insn_depend_be_in_spec): Code to keep probability of the
898 speculative dependence non-decreasing.
900 2006-03-30 Jie Zhang <jie.zhang@analog.com>
902 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
903 (single_move_for_movmem): ... this. Also change all uses.
904 (bfin_expand_strmov): Renamed to...
905 (bfin_expand_movmem): ... this. Also change all uses.
906 * config/bfin/bfin.md (movstrsi): Renamed to...
909 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
911 PR tree-optimization/26830
913 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
914 (copy_prop_visit_stmt): Remove write-only variable ann.
915 (init_copy_prop): Check variable loop depth here. Do not simulate
916 memory-tag and virtual operand PHIs except for store copy prop.
918 2006-03-30 Richard Guenther <rguenther@suse.de>
920 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
921 variants with double arguments.
923 2006-03-29 David Edelsohn <edelsohn@gnu.org>
925 * genpreds.c (write_tm_constrs_h): Delete variable p.
926 * genconditions.c (write_header): Add tm-constrs.h to included
928 * genpeep.c (main): Add toplev.h to included headers.
929 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
930 (build/genpeep.o): Add toplev.h dependency.
931 * config/rs6000/constraints.md: Add "W" constraint.
933 2006-03-29 Roger Sayle <roger@eyesopen.com>
935 * stor-layout.c (mode_for_size_tree): Remove restiction on type
936 sizes by correctly testing whether the size fits a host integer.
937 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
938 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
939 SImode range for the default sizetype and bitsizetype.
941 2006-03-29 Roger Sayle <roger@eyesopen.com>
943 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
944 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
945 quickly if the argument is already of the correct type.
946 Call fold_build1 instead of build1. Tidy up blank lines.
948 2006-03-29 David Edelsohn <edelsohn@gnu.org>
950 * genemit.c (main): Add tm-constrs.h to included headers.
951 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
952 * genpeep.c (main): Add tm-constrs.h to included headers.
953 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
954 (write_tm_constrs_h): this and write complete file.
955 (write_tm_preds_h): Do not emit satisfies_constraint fns.
956 (write_insn_preds_c): Add tm-constrs.h to included headers.
957 (gen_constrs): New variable.
958 (parse_option): Parse "-c".
959 (main): Invoke write_tm_constrs_h.
960 * genrecog.c (write_header): Add tm-constrs.h to included headers.
961 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
962 (object_out_file): Add tm-constrs.h dependency.
964 (insn-output.o): Same.
966 (insn-preds.o): Same.
967 (insn-recog.o): Same.
968 (tm-constsr.h): New target.
969 (s-constrs-h): New target.
971 * config/rs6000/constraints.md: New file.
972 * config/rs6000/rs6000.c: Include tm-constrs.h.
973 (num_insn_constant_wide): Convert to satisfies_constraint.
974 (rs6000_rtx_costs): Convert to satisfies_constraint.
975 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
976 (CONST_OK_FOR_LETTER_P): Delete.
977 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
978 (EXTRA_CONSTRAINT): Delete.
979 (EXTRA_MEMORY_CONSTRAINT): Delete.
980 (EXTRA_ADDRESS_CONSTRAINT): Delete.
981 * config/rs6000/predicates.md: Convert to satisfies_constraint.
982 * config/rs6000/rs6000.md: Include constraints.md. Convert to
983 satisfies_constraint.
985 * config/i386/i386.c: Include tm-constrs.h.
987 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
989 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
990 * tree-data-ref.c (find_data_references_in_loop,
991 compute_data_dependences_for_loop): Use pointers to VEC.
992 (analyze_all_data_dependences): Adjust calls.
993 * tree-data-ref.h (find_data_references_in_loop,
994 compute_data_dependences_for_loop): Adjust declarations.
995 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
996 compute_data_dependences_for_loop.
998 2006-03-29 Paul Brook <paul@codesourcery.com>
1000 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1003 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1005 PR tree-optimization/26859
1006 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1008 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1009 for the step after fold_convert.
1011 2006-03-29 Paul Brook <paul@codesourcery.com>
1013 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1014 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1016 2006-03-29 Paul Brook <paul@codesourcery.com>
1019 * targhooks.c (default_narrow_bitfield): New fuction.
1020 * targhooks.h (default_narrow_bitfield): add prototype.
1021 * target.h (gcc_target): Add narrow_volatile_bitfield.
1022 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1023 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1024 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1025 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1027 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1029 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1031 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1032 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1033 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1034 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1035 (s390_function_arg_float): Allow SDmode and DDmode values to be
1036 passed in floating point registers.
1037 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1038 check with SCALAR_FLOAT_MODE_P.
1039 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1041 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1043 PR tree-optimization/25985
1044 * tree-ssa-loop-niter.c (number_of_iterations_le,
1045 number_of_iterations_ne): Make comments more precise.
1046 (number_of_iterations_cond): Add only_exit argument. Use the
1047 fact that signed variables do not overflow only when only_exit
1049 (loop_only_exit_p): New.
1050 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1051 number_of_iterations_cond.
1053 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1055 PR tree-optimization/26643
1056 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1059 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1061 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1062 (divsi3_i4_int): Likewise.
1064 2006-03-28 Roger Sayle <roger@eyesopen.com>
1066 * expr.c (emit_group_store): Only create a new pseudo reg if the
1067 quantity it needs to hold isn't already a suitable pseudo.
1069 2006-03-28 Jeff Law <law@redhat.com>
1071 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1072 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1074 2006-03-28 Roger Sayle <roger@eyesopen.com>
1076 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1077 the equivalent ~X & Y, and the symmetry related transformations.
1078 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1079 ~X & Y, and symmetry related transforms.
1081 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1083 Revert my 2006-03-27 patches.
1085 2006-03-28 Roger Sayle <roger@eyesopen.com>
1087 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1088 ~(T1)X, when T1 and T2 are integer types of the same precision
1089 and (T2)X isn't an extension.
1091 2006-03-28 Jeff Law <law@redhat.com>
1093 PR tree-optimization/26796
1094 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1095 need EH edge cleanups rather than purging them immediately.
1096 (eliminate_degenerate_phis): Handle queued EH cleanups.
1098 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1100 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1103 2006-03-27 Roger Sayle <roger@eyesopen.com>
1106 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1107 cast BIT_NOT_EXPR operand to the correct type.
1109 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1111 * tree-loop-linear.c: Don't include varray.h.
1112 (gather_interchange_stats, try_interchange_loops,
1113 linear_transform_loops): Use VEC instead of VARRAY.
1114 * lambda-mat.c: Don't include varray.h.
1115 * tree-chrec.c: Same.
1116 * lambda-trans.c: Same.
1117 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1118 VEC instead of VARRAY.
1119 * tree-vectorizer.h: Idem.
1120 * tree-data-ref.c (dump_data_references,
1121 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1122 initialize_data_dependence_relation, finalize_ddr_dependent,
1123 compute_all_dependences, find_data_references_in_loop,
1124 compute_data_dependences_for_loop, analyze_all_data_dependences,
1125 free_dependence_relation, free_dependence_relations,
1126 free_data_refs): Idem.
1127 * tree-data-ref.h (data_reference_p, subscript_p): New.
1128 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1129 VEC instead of VARRAY.
1130 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1131 (find_data_references_in_loop, compute_data_dependences_for_loop,
1132 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1133 dump_data_dependence_relations, free_dependence_relations,
1134 free_data_refs): Adjust declaration.
1135 (lambda_transform_legal_p): Move declaration here...
1136 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1137 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1138 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1139 vect_analyze_data_refs): Use VEC instead of VARRAY.
1140 * lambda.h (lambda_transform_legal_p): ...from here.
1141 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1142 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1143 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1144 tree-chrec.o): Don't depend on VARRAY_H.
1146 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1148 * rtl.def (Copyright): Update date.
1149 (DEPS_LIST): Change type of the second operand to 'int'.
1150 * target.h (Copyright): Update date.
1151 (struct gcc_target.speculate_insn): Change type of the second parameter
1153 * lists.c (Copyright): Update date.
1154 (alloc_DEPS_LIST): Change signature. Update reference to the second
1155 operand of the DEPS_LIST.
1156 (copy_DEPS_LIST_list): Update reference to the second operand of the
1158 * rtl.h (Copyright): Update date.
1159 (alloc_DEPS_LIST): Update signature.
1160 * sched-int.h (Copyright): Update date.
1161 (ds_t): Change typedef to 'int'.
1162 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1164 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1166 * haifa-sched.c (Copyright): Update date.
1167 (try_ready): Change condition to restore non-speculative pattern
1169 (process_insn_depend_be_in_spec): Code to keep probability of the
1170 speculative dependence non-decreasing.
1172 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1174 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1175 shut up the compiler.
1177 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1179 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1180 to use lib prefix for target.
1181 ($(T)libic_invalidate_array_4-200.a): Likewise.
1182 ($(T)libic_invalidate_array_4a.a): Likewise.
1184 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1185 J"orn Rennecke <joern.rennecke@st.com>
1187 * superh.opt: New file.
1188 * sh.c (boardtype, osruntime): Remove.
1189 * superh.h (SUBTARGET_OPTIONS): Remove.
1190 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1192 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1193 arguments with ^ and/or [].
1195 * config.gcc (sh-*-*): Add quoting to account for quirk of
1197 Replace == with = in enable_incomplete_targets test.
1199 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1200 with MASK_LITTLE_ENDIAN.
1202 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1203 * config/sh/sh.opt: Added to some comments.
1204 * config/sh/superh.h: Removed some chaff.
1206 * config/sh/sh.opt: Add m4-[1234]00* options.
1207 * config/sh/sh.c (sh_handle_option): Likewise.
1208 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1209 (ic_invalidate_array_4-100.o): New rule.
1210 ($(T)libic_invalidate_array_4-100.a): Likewise.
1211 (ic_invalidate_array_4-200.o): Likewise.
1212 ($(T)libic_invalidate_array_4-200.a): Likewise.
1213 (ic_invalidate_array_4a.o): Likewise.
1214 ($(T)libic_invalidate_array_4a.a): Likewise.
1215 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1216 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1218 * config/sh/crt1.asm: Merged in profiling code.
1219 * config/sh/superh.h (STARTFILE_SPEC): Override.
1220 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1221 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1222 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1224 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1225 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1226 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1228 * sh.opt (mpretend-cmove): New option.
1229 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1230 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1231 (movsicc): Add TARGET_PRETEND_CMOVE code.
1233 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1235 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1236 s390_class_max_nregs): New function prototypes.
1237 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1238 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1239 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1240 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1242 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1244 * dwarf2out.c (add_location_or_const_value_attribute): Call
1245 tree_add_const_value_attribute if nothing else works.
1246 (reference_to_unused): New.
1247 (rtl_for_decl_init): Use reference_to_unused to decide whether
1248 to output an initializer.
1250 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1253 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1254 peephole removing spe frob_di_df_2.
1256 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1258 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1259 (subscript_dependence_tester_1): Declared.
1260 (print_dir_vectors, print_dist_vectors): New.
1261 (debug_data_dependence_relation): New.
1262 (dump_data_dependence_relation): Print more details.
1263 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1264 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1265 (save_dist_v, save_dir_v, add_outer_distances,
1266 build_classic_dist_vector_1): New.
1267 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1268 Don't test for lambda_vector_lexico_pos.
1269 (same_access_functions, add_multivariate_self_dist,
1270 add_other_self_distances, dir_from_dist): New.
1271 (build_classic_dir_vector): Replace implementation almost identical to
1272 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1274 (subscript_dependence_tester_1): New.
1275 (subscript_dependence_tester): Handle the lexicographically negative
1276 distance vectors by recomputing the dependence relation.
1277 (compute_affine_dependence): Remove parameter loop_nest_depth.
1278 (compute_self_dependence): Don't call compute_subscript_distance.
1279 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1280 Add a parameter for the loop_nest.
1281 (find_loop_nest_1, find_loop_nest): New.
1282 (compute_data_dependences_for_loop): Compute the loop nest, and give
1283 up if the nest is not well formed.
1284 * tree-data-ref.h (loop_p): New.
1285 (struct data_dependence_relation): Replace size_vect field with
1286 loop_nest, a vec of loops.
1287 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1288 (DDR_LOOP_NEST): New.
1289 (print_dir_vectors, print_dist_vectors,
1290 debug_data_dependence_relation): Declared.
1291 (index_in_loop_nest): New.
1292 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1293 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1296 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1298 * simplify-rtx.c (simplify_relational_operation): Call
1299 simplify_relational_operation_1 even if mode is VOIDmode.
1301 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1303 PR tree-optimization/26804
1304 * tree.h (DECL_CALL_CLOBBERED): New macro.
1305 (tree_decl_common): Add call_clobbered_flag.
1306 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1307 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1308 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1309 (mark_non_addressable): Ditto.
1310 * tree-ssa.c (verify_call_clobbered): New function.
1311 (verify_alias_info): Use it.
1312 * tree-pass.h (pass_reset_cc_flags): New prototype.
1313 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1314 (reset_cc_flags): New function.
1315 * passes.c (init_optimization_passes): Call reset_cc_flags after
1316 initializing referenced_vars.
1318 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1319 Roger Sayle <roger@eyesopen.com>
1322 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1323 to 1.0 for non-real operands. Implement A / A optimization for
1326 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1328 * config/i386/i386.c (size_cost): Correct the comment for
1329 cost of storing fp registers.
1330 (i386_cost): Likewise.
1331 (i486_cost): Likewise.
1332 (pentium_cost): Likewise.
1333 (pentiumpro_cost): Likewise.
1334 (k6_cost): Likewise.
1335 (athlon_cost): Likewise.
1336 (k8_cost): Likewise.
1337 (pentium4_cost): Likewise.
1338 (nocona_cost): Likewise.
1339 (generic64_cost): Likewise.
1340 (generic32_cost): Likewise.
1342 2006-03-24 Denis Chertykov <denisc@overta.ru>
1344 * config/avr/avr-protos.h (extra_constraint): Delete.
1345 (extra_constraint_Q): New declaration.
1346 * config/avr/constraints.md: New file.
1347 * config/avr/avr.md: Include it.
1348 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1349 (TMP_REGNO, ZERO_REGNO): Likewise.
1350 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1351 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1352 (extra_constraint): Delete.
1353 (extra_constraint_Q): Test for memory constraint 'Q'.
1354 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1355 (REG_CLASS_FROM_LETTER): Delete.
1356 (CONST_OK_FOR_LETTER_P): Delete.
1357 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1358 (EXTRA_CONSTRAINT): Delete.
1359 (TMP_REGNO): Delete.
1360 (ZERO_REGNO): Delete.
1362 2006-03-24 Jeff Law <law@redhat.com>
1364 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1365 directly. Call mark_new_vars_to_rename slightly earlier.
1367 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1369 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1371 (gen_compile_unit_die): Use new language types for Objective-C and
1373 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1374 DW_LANG_C_plus_plus.
1377 * config/t-darwin (crt3.o): Work around bug 26840.
1378 * config/darwin-crt3.c: Rewrite.
1379 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1381 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1383 * doc/invoke.texi: Document -femit-class-debug-always
1384 * common.opt: Add -femit-class-debug-always.
1386 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1388 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1389 index and base register.
1390 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1391 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1392 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1393 REGNO_OK_FOR_INDEX_P.
1394 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1396 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1397 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1398 REG_OK_FOR_BASE_P): Definitions removed.
1400 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1403 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1404 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1405 set yet or weren't marked as local yet.
1407 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1409 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1412 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1414 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1415 (rs6000_legitimate_small_data_p): Delete.
1416 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1417 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1418 and make static. Add forward declaration. Update uses.
1419 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1420 of offsettable_memref_p.
1421 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1422 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1424 2006-03-24 Jeff Law <law@redhat.com>
1426 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1427 around bug in immediate-use iterator.
1429 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1432 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1433 or __LITTLE_ENDIAN__.
1435 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1437 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1438 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1439 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1440 * config/sh/sh.opt (mdiv=): Amend description.
1441 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1442 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1443 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1444 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1445 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1446 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1447 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1448 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1449 TARGET_DIVIDE_CALL_FP.
1451 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1453 * haifa-sched.c (choose_ready): Fix type of the local variable.
1454 Move local variables. Add comment.
1455 (check_reg_live): Change signature. Make callable from debugger.
1456 * sched-int.h (check_reg_live): Update signature.
1457 * sched-ebb.c (check_reg_live): Update parameters.
1458 * sched-rgn.c (check_reg_live): Ditto.
1459 (region_head_or_leaf_p): Check pointer before dereferencing.
1460 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1461 before reload on optimization levels below 1.
1463 2006-03-23 Richard Henderson <rth@redhat.com>
1465 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1469 * config/alpha/predicates.md (local_symbolic_operand): Reject
1472 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1475 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1476 expressions which have overflowed constants.
1478 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1480 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1482 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1484 * cfgloopmanip.c (create_loop_notes): Removed.
1485 * final.c (final_scan_insn): Do not handle loop notes.
1486 * jump.c (squeeze_notes): Ditto.
1487 * cfglayout.c (skip_insns_after_block,
1488 duplicate_insn_chain): Ditto.
1489 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1491 * cfgloop.h (create_loop_notes): Declaration removed.
1493 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1495 * varasm.c (output_constant_pool): Restore fnname and fndecl
1497 (assemble_start_function): Adjust call accordingly.
1498 (assemble_end_function): Likewise.
1500 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1503 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1506 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1508 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1511 * system.h (ICE_EXIT_CODE): New macro.
1512 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1513 (diagnostic_action_after_output): Likewise.
1514 * gcc.c (fatal_ice): New function.
1515 (execute): Use it instead of fatal.
1516 (fancy_abort): Likewise.
1517 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1519 2006-03-22 Jeff Law <law@redhat.com>
1521 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1522 iv_analyze_result returning false.
1524 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1526 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1528 2006-03-22 Richard Henderson <rth@redhat.com>
1531 * except.c (duplicate_eh_regions_0): New.
1532 (duplicate_eh_region_1): Duplicate the children of the node as
1533 well as the node itself. Link them up properly.
1534 (duplicate_eh_region_2): Merge into ...
1535 (duplicate_eh_regions): ... here. Take copy_region argument, and
1536 copy only a sub-tree if asked. Simplify copying and fixup.
1537 (eh_region_outer_p): New.
1538 * except.h (duplicate_eh_regions): Update decl.
1539 (eh_region_outer_p): Declare.
1540 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1541 (lower_omp_master): Likewise.
1542 (lower_omp_ordered): Likewise.
1543 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1544 (move_stmt_r): Use it to remap labels. Handle recursion vs
1545 remap_decls_p properly.
1546 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1547 (find_outermost_region_in_block): New.
1548 (new_label_mapper): New.
1549 (move_sese_region_to_fn): Copy eh information to the new function
1551 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1553 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1556 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1558 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1559 into shared libraries.
1561 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1563 * doc/md.texi: Refer to i386/constraints.md instead of
1565 * config/i386/constraints.md: New file, extracted from...
1566 * config/i386/predicates.md: ...here.
1567 * config/i386/i386.md: Include constraints.md.
1569 2006-03-21 Jason Merrill <jason@redhat.com>
1571 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1574 * expr.c (init_block_move_fn): Force default visibility.
1575 (init_block_clear_fn): Likewise.
1576 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1577 * targhooks.c (default_external_stack_protect_fail): Likewise.
1579 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1581 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1582 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1583 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1584 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1585 (loadgp): Use mips_current_loadgp_style.
1586 (loadgp_noshared): New pattern.
1587 (sibcall_internal): Use MIPS_CALL.
1588 (sibcall_value_internal): Likewise.
1589 (sibcall_value_multiple_internal): Likewise.
1590 (call_internal): Likewise.
1591 (call_value_internal): Likewise.
1592 (call_value_multiple_internal): Likewise.
1593 (call_split): Use MIPS_CALL and add an 'S' constraint.
1594 (call_value_split): Likewise.
1595 (call_value_multiple_split): Likewise.
1596 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1597 (-mshared): New option.
1598 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1599 (mips_current_loadgp_style): Declare.
1600 * config/mips/mips.c (mips_classify_symbol): Avoid using
1601 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1602 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1603 TARGET_ABSOLUTE_ABICALLS.
1604 (override_options): Adjust comments. Improve the warning that is
1605 issued when -mabicalls and -G are used together.
1606 (mips_file_start): Remove comment.
1607 (mips_current_loadgp_style): New function.
1608 (mips_gnu_local_gp): New variable.
1609 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1611 (mips_output_function_prologue): Use mips_current_laodgp_style.
1612 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1613 the cprestore instruction.
1614 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1615 live for TARGET_ABSOLUTE_ABICALLS.
1616 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1617 (ASM_SPEC): Pass down -mshared and -mno-shared.
1618 (MIPS_CALL): New macro.
1619 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1621 * doc/invoke.texi (-mabicalls): Update documentation.
1622 (-mshared): Document.
1624 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1626 * config/ia64/unwind-hpux.c: New file.
1627 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1629 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1632 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1634 2006-03-21 Jeff Law <law@redhat.com>
1636 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1637 type conversions of a VR_VARYING source to a wider type.
1639 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1641 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1642 tm_file on Solaris 10 and later.
1643 (sparc64-*-solaris2*): Likewise.
1644 (sparc-*-solaris2*): Likewise.
1645 * config/sol26.h: Rename to config/sol2-6.h.
1646 * config/sol2-10.h: New file.
1648 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1651 * tree-ssa-pre.c (create_component_ref_by_pieces):
1654 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1657 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1658 return it immediately.
1660 2006-03-21 Michael Matz <matz@suse.de>
1662 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1664 (remove_arc, add_arc): Update num_out_arcs member.
1665 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1667 (cache_presence): New function.
1668 (compare_states_for_equiv): New function.
1669 (state_is_differed): Don't take number of outargs, adjust callers.
1670 Use new invariant for speeding up.
1671 (init_equiv_class): Create initial classes based on sorted
1673 (partition_equiv_class): Don't track out_arcs_num.
1674 (evaluate_equiv_classes): Call cache_presence on all states and
1677 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1679 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1680 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1681 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1682 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1684 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1685 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1686 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1687 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1688 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1690 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1691 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1692 (REGNO_REG_CLASS): ARGP is in PREGS.
1693 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1695 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1696 to deal with those addresses.
1697 * addresses.h: New file.
1698 * caller-save.c: Include "addresses.h".
1699 (init_caller_save): Use new base_reg_class function.
1700 * rtl-factoring.c: Include "addresses.h".
1701 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1702 * recog.c: Include "addresses.h".
1703 (preprocess_constraints): Use new base_reg_class function.
1704 * regrename.c: Include "addresses.h".
1705 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1706 functions. Keep track of a new var INDEX_CODE to compute valid
1708 (replace_oldest_value_addr): Likewise.
1709 (replace_oldest_value_mem): Use base_reg_class.
1710 * reload.c: Include "addresses.h".
1711 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1712 (find_reloads): Use new base_reg_class function.
1713 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1714 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1715 all callers and prototype changed.
1716 * reload1.c: Include "addresses.h".
1717 (maybe_fix_stack_asms): Use base_reg_class.
1718 * regclass.c: Include "addresses.h".
1719 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1720 (init_reg_autoinc): Use new base_reg_class function.
1721 (record_reg_classes): Likewise.
1722 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1723 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1724 Use new args to compute necessary class.
1726 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1727 regrename.o, rtl-factoring.o): Update dependencies.
1728 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1729 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1730 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1731 REG_OK_FOR_INDEX_P): Delete documentation.
1733 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1735 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1736 from V7 to V9 for Solaris 7 and above.
1738 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1740 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1741 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1742 argument pointers may not alias any other storage.
1743 * common.opt: Define option -fargument-noalias-anything.
1744 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1745 alias semantics is specified by flag_argument_noalias > 2.
1747 2006-03-20 Jeff Law <law@redhat.com>
1749 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1750 (pass_phi_only_cprop): Declare.
1751 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1753 * tree-ssa-dom.c (degenerate_phi_result): New function.
1754 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1755 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1756 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1757 (eliminate_degenerate_phis): Likewise.
1758 (pass_phi_only_cprop): New pass descriptor.
1759 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1760 support code. Callers updated.
1761 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1762 (store_copy_prop): Likewise.
1763 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1765 2006-03-20 Jason Merrill <jason@redhat.com>
1768 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1769 (push_visibility, pop_visibility): Likewise.
1770 * c-pragma.h: Declare them.
1772 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1774 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1776 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1777 parameter and use get_ebb_head_tail.
1778 (sh_md_init_global): Adjust uses of find_regmode_weight.
1780 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1782 * function.h (struct function) <x_tail_recursion_reentry>:
1783 Rename to x_stack_check_probe_note.
1784 (tail_recursion_reentry): Rename to stack_check_probe_note.
1785 * function.c: Replace tail_recursion_reentry with
1786 stack_check_probe_note everywhere.
1787 (expand_function_start): Only emit a note for
1788 stack_check_probe_note with -fstack-protect.
1789 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1791 * emit-rtl.c (remove_unnecessary_notes): Remove.
1792 (pass_remove_unnecessary_notes): Remove.
1793 * rtl.h (remove_unnecessary_notes): Remove prototype.
1794 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1795 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1796 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1798 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1801 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1802 (valid_in_set): Handle ARRAY_REF.
1803 Change "if min_variant or VH" to asserts.
1804 (create_component_ref_by_pieces): Handle ARRAY_REF.
1805 (create_expression_by_pieces): Likewise.
1806 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1808 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1810 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1811 is operand of switch, not str[0].
1813 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1815 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1816 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1818 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1820 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1821 end of insn_extra_address_constraint declaration.
1823 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1825 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1826 (no-sum-in-toc): Same.
1827 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1829 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1830 NO_FP_IN_TOC for -fPIC instead of mask.
1832 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1833 (BOOT_LDFLAGS): Delete.
1835 * config/rs6000/t-aix52: Same.
1837 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1838 (stmsi[345678]_power): New.
1840 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1842 * config/ia64/ia64.opt: Add empty line to end of file.
1844 2006-03-17 Richard Guenther <rguenther@suse.de>
1847 * builtins.c (get_pointer_alignment): For component style references
1848 adjust alignment to the component type alignment. Make sure
1849 to adjust alignment for component access of constants.
1851 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1853 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1856 2006-03-17 Paul Brook <paul@codesourcery.com>
1858 * doc/install.texi: Docuemnt --with-mode.
1859 * config.gcc: Add --with-mode for arm*-*-*.
1860 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1862 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1864 * sh.c (max_labelno_before_reorg): New variable.
1865 (sh_reorg): Initialize it.
1866 (find_barrier): Check max_labelno_before_reorg before using
1867 label_to_alignment. Take length of explicit alignment insns
1868 into account. When seeing a UNSPECV_CONST_END, return it.
1870 * sh.c (fixup_mova): Set mode of affected label to QImode.
1871 (untangle_mova): New function.
1872 (find_barrier): Use it. Check mode of label before decrementing
1874 (sh_reorg): Likewise.
1875 Set mode of all insns back to VOIDmode.
1877 * sh.c (MOVA_LABELREF): New macro.
1878 (mova_p, fixup_mova, sh_reorg): Use it.
1879 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1880 ADDR_DIFF_VEC matches mova.
1882 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1884 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1885 with ATTRIBUTE_UNUSED.
1887 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1889 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1890 pointer, instead of assuming it is possible to derive the
1891 correct args size from a call insn.
1893 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1895 * rtl.h (CONST_INT_P): Define.
1896 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1897 instead of GET_CODE(x) == CONST_INT.
1898 (vax_rtx_costs): Likewise.
1899 (vax_output_int_move): Likewise.
1900 (vax_output_int_add): Likewise.
1901 (legitimate_constant_address_p): Likewise.
1902 (index_term_p): Likewise.
1903 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1904 * config/vax/vax.md (and<mode>3): Likewise.
1905 (ashrsi3): Likewise.
1907 (movstricthi): Likewise.
1908 (movstrictqi): Likewise.
1909 (rotrsi3): Likewise.
1910 (five unnamed insns): Likewise.
1912 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1914 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1915 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1916 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1917 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1918 Pass to ASM_OUTPUT_DWARF_OFFSET.
1919 * dwarf2out.c (debug_frame_section): New.
1920 (output_call_frame_info): Use debug_frame_section. Pass it to
1921 dw2_asm_output_offset.
1922 (output_die): Pass appropriate section to dw2_asm_output_offset.
1923 (output_compilation_unit_header): Likewise.
1924 (output_pubnames): Likewise.
1925 (output_aranges): Likewise.
1926 (enum dw_val_class): Break dw_val_class_lbl_offset into
1927 dw_val_class_lineptr and dw_val_class_macptr.
1928 (add_AT_lbl_offset): Delete.
1929 (add_AT_lineptr): New.
1930 (add_AT_macptr): New.
1931 (AT_lbl): Expect a lineptr or macptr.
1932 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1933 (attr_checksum): Likewise.
1934 (same_dw_val_p): Likewise.
1935 (size_of_die): Likewise.
1936 (value_format): Likewise.
1937 (output_die): Likewise.
1938 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1940 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1941 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1942 * config/darwin-protos.h (darwin_file_start): New.
1943 (darwin_asm_output_dwarf_offset): New.
1944 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1945 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1947 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1948 if not EH section; simplify.
1949 (darwin_file_start): New.
1950 (darwin_asm_output_dwarf_offset): New.
1951 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1953 (DEBUG_INFO_SECTION): Likewise.
1954 (DEBUG_ABBREV_SECTION): Likewise.
1955 (DEBUG_ARANGES_SECTION): Likewise.
1956 (DEBUG_MACINFO_SECTION): Likewise.
1957 (DEBUG_LINE_SECTION): Likewise.
1958 (DEBUG_LOC_SECTION): Likewise.
1959 (DEBUG_PUBNAMES_SECTION): Likewise.
1960 (DEBUG_STR_SECTION): Likewise.
1961 (DEBUG_RANGES_SECTION): Likewise.
1962 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1963 (ASM_OUTPUT_DWARF_OFFSET): New.
1965 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1967 * config.gcc (tm_defines): Always add to previous value rather
1970 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1972 * config/mips/predicates.md (splittable_const_int_operand): New,
1973 split from move_operand.
1974 (splittable_symbolic_operand): New.
1975 (move_operand): Add commentary. Use splittable_const_int_operand.
1976 Inline mips_atomic_symbolic_constant_p.
1977 * config/mips/mips.md: Add combine splitters for handling moves
1978 of splittable_const_int_operands and splittable_symbolic_operands.
1979 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1980 (mips_split_symbol): Declare.
1981 (mips_move_integer): Declare.
1982 * config/mips/mips.c (mips_split_p): Make global.
1983 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1984 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1985 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1986 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1987 (mips_offset_within_object_p): Handle block symbols.
1988 (mips_atomic_symbolic_constant_p): Delete.
1989 (mips_cannot_force_const_mem): Return false for constants that
1990 mips_legitimize_move can handle.
1991 (mips_use_blocks_for_constant_p): New function.
1992 (mips_split_symbol): Make global.
1993 (mips_move_integer): Likewise. Add a temporary register argument.
1994 (mips_legitimize_const_move): Use splittable_const_int_operand and
1995 splittable_symbolic_operand.
1996 (mips_use_anchors_for_symbol_p): New function.
1997 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1998 (mips_split_p): Declare.
2000 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2002 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2003 (mips*-*-linux*): Likewise.
2005 2006-03-16 Roger Sayle <roger@eyesopen.com>
2006 Daniel Speyer <dspeyer@wam.umd.edu>
2009 * tree-dump.c (dump_real): New function.
2010 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2011 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2012 (tree-dump.o): Add $(REAL_H) to the dependencies.
2014 2006-03-16 Roger Sayle <roger@eyesopen.com>
2017 * real.c (real_from_string): If the mantissa is zero, don't bother
2018 parsing the exponent as the result should always be zero.
2020 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2022 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2024 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2026 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2027 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2028 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2029 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2030 ia64_sched_finish_global): New static functions to implement
2031 hooks from gcc_target.sched.
2032 (spec_check_no, max_uid, pending_data_specs): New static variables.
2033 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2034 ia64_spec_check_src_p): New static functions.
2035 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2036 (TARGET_SCHED_ADJUST_COST): Removed.
2037 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2038 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2039 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2040 TARGET_SCHED_GEN_CHECK,
2041 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2042 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2043 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2044 Fixed to handle speculation checks.
2045 (rtx_needs_barrier): Fixed to handle speculative loads and
2047 (ia64_variable_issue): Added code to count speculative loads and their
2049 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2051 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2053 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2055 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2056 (ia64_reorg): Reset stops_p to NULL after it is freed.
2057 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2058 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2059 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2061 (data_speculative, control_speculative, check_load): New attributes.
2062 (mov<mode>_advanced, mov<mode>_speculative,
2063 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2064 zero_extend<mode>di2_speculative,
2065 zero_extend<mode>di2_speculative_advanced): New patterns for
2066 data and control speculative loads.
2067 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2069 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2070 New pattern for data and control speculation checks.
2071 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2072 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2073 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2074 Auxiliary definitions for the patterns.
2075 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2076 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2078 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2080 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2081 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2082 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2083 New resource constraints.
2084 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2086 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2087 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2088 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2089 msched-in-control-spec, msched-ldc, msched-control-ldc,
2090 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2091 msched-prefer-non-control-spec-insns,
2092 msched-count-spec-in-critical-path): New flags to tune speculative
2094 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2095 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2096 msched-in-control-spec, msched-ldc, msched-control-ldc,
2097 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2098 msched-prefer-non-control-spec-insns,
2099 msched-count-spec-in-critical-path): Document new flags.
2101 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2103 * target.h (struct spec_info_def): New opaque declaration.
2104 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2105 speculate_insn, needs_block_p, gen_check,
2106 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2107 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2108 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2109 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2110 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2111 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2113 (TARGET_SCHED): Use new macros.
2114 * rtl.h (copy_DEPS_LIST_list): New prototype.
2115 * sched-int.h (struct sched_info): Change signature of new_ready field,
2116 adjust all initializations. New fields: add_remove_insn,
2117 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2118 region_head_or_leaf_p.
2119 (struct spec_info_def): New structure declaration.
2120 (spec_info_t): New typedef.
2121 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2122 recovery_block, orig_pat.
2123 (glat_start, glat_end): New variables declaraions.
2124 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2126 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2127 DETACH_LIFE_INFO, USE_GLAT.
2128 (enum SPEC_SCHED_FLAGS): New enumeration.
2129 (NOTE_NOTE_BB_P): New macro.
2130 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2131 attach_life_info, debug_spec_status, check_reg_live): New functions.
2132 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2133 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2135 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2136 * ddg.c (get_block_head_tail): Adjust all uses.
2137 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2138 (sms_sched_info): Initialize new fields.
2139 (contributes_to_priority): Removed.
2140 * haifa-sched.c (params.h): New include.
2141 (get_block_head_tail): Adjust all uses.
2142 (ISSUE_POINTS): New macro.
2143 (glat_start, glat_end): New global variables.
2144 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2145 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2146 old_last_basic_block, before_recovery, current_sched_info_var,
2147 rgn_n_insns, luid): New static variables.
2148 (insn_cost1): New function. Move logic from insn_cost to here.
2149 (find_insn_reg_weight1): New function. Move logic from
2150 find_insn_reg_weight to here.
2151 (reemit_notes, move_insn, max_issue): Change signature.
2152 (move_insn1): Removed.
2153 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2154 extend_bb): New static functions to support extension of scheduler's
2156 (generate_recovery_code, process_insn_depend_be_in_spec,
2157 begin_speculative_block, add_to_speculative_block,
2158 init_before_recovery, create_recovery_block, create_check_block_twin,
2159 fix_recovery_deps): New static functions to support
2160 generation of recovery code.
2161 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2162 restore_bb_notes, move_block_after_check, move_succs): New static
2163 functions to support ebb scheduling.
2164 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2165 functions to support handling of register live information.
2166 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2167 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2168 add_jump_dependencies): New static functions.
2169 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2170 consistancy checking.
2171 (debug_spec_status): New function to call from debugger.
2172 (priority): Added code to handle speculation checks.
2173 (rank_for_schedule): Added code to distinguish speculative instructions.
2174 (schedule_insn): Added code to handle speculation checks.
2175 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2176 Fixed to handle ebbs.
2177 (move_insn): Added code to handle ebb scheduling.
2178 (max_issue): Added code to use ISSUE_POINTS of instructions.
2179 (choose_ready): Added code to choose between speculative and
2180 non-speculative instructions.
2181 (schedule_block): Added code to handle ebb scheduling and scheduling of
2182 speculative instructions.
2183 (sched_init): Initialize new variables.
2184 (sched_finish): Free new variables. Print statistics.
2185 (try_ready): Added code to handle speculative instructions.
2186 * lists.c (copy_DEPS_LIST_list): New function.
2187 * sched-deps.c (extend_dependency_caches): New function. Move logic
2188 from create_dependency_caches to here.
2189 (get_dep_weak, ds_merge): Make global.
2190 * genattr.c (main): Code to output prototype for
2191 dfa_clear_single_insn_cache.
2192 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2193 (output_dfa_clean_insn_cache_func): Code to output
2194 dfa_clear_single_insn_cache function.
2195 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2197 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2199 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2200 New static variables.
2201 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2202 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2204 (ebb_sched_info): Initialize new fields.
2205 (get_block_head_tail): Adjust all uses.
2206 (compute_jump_reg_dependencies): Fixed to use glat_start.
2207 (schedule_ebb): Code to remove unreachable last block.
2208 (schedule_ebbs): Added code to update register live information.
2209 * sched-rgn.c (region_sched_info): Initialize new fields.
2210 (get_block_head_tail): Adjust all uses.
2211 (last_was_jump): Removed. Adjust users.
2212 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2213 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2214 Implement new hooks.
2215 (check_dead_notes1): New static function.
2216 (struct region): New fields: dont_calc_deps, has_real_ebb.
2217 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2218 (BB_TO_BLOCK): Fixed to handle EBBs.
2219 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2220 (ebb_head): New static variable.
2221 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2222 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2224 (compute_dom_prob_ps): New assertion.
2225 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2226 global_live_at_start.
2227 (init_ready_list): New assertions.
2228 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2229 (new_ready): Add support for BEGIN_CONTROL speculation.
2230 (schedule_insns): Fixed code that updates register live information
2232 (schedule_region): Fixed to handle EBBs.
2233 (init_regions): Use extend_regions and check_dead_notes1.
2234 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2235 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2236 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2237 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2238 TARGET_SCHED_GEN_CHECK,
2239 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2240 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2241 * doc/invoke.texi (max-sched-insn-conflict-delay,
2242 sched-spec-prob-cutoff): Document.
2244 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2246 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2247 inter_tick, queue_index.
2248 (struct sched_info): Change signature of init_ready_list field.
2249 Adjust all initializations.
2250 (RESOLVED_DEPS): New access macro.
2251 (ready_add): Remove prototype.
2252 (try_ready): Add prototype.
2253 * sched-rgn.c (init_ready_list): Use try_ready.
2254 (schedule_region): Initialize
2255 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2256 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2257 (init_ready_list): Use try_ready.
2258 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2259 * lists.c (remove_list_elem): Remove `static'.
2260 (remove_free_INSN_LIST_elem): New function.
2261 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2262 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2263 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2265 (readyp): New variable.
2266 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2267 change_queue_index, resolve_dep): New static functions.
2268 (try_ready): New function. Adjust callers in sched-rgn.c and
2269 sched-ebb.c to use it instead of ready_add.
2270 (clock_var): Move at the begining of file.
2271 (rank_for_schedule): Fix typo.
2272 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2273 (ready_lastpos): Enforce assertion.
2274 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2276 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2277 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2278 (queue_to_ready): Use free_INSN_LIST_list.
2279 (early_queue_to_ready): Fix typo.
2280 (schedule_block): Init readyp. Move init_ready_list call after the
2281 initialization of clock_var. Fix error in rejecting insn by
2282 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2283 that previously corrected INSN_TICKs. Add code for handling
2285 (set_priorities): Fix typo.
2286 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2287 Clarify comment and code that keeps current_sched_info->next_tail
2290 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2292 * sched-rgn.c (extend_rgns): New static function.
2293 (find_rgns): Use it.
2294 (gather_region_statistics, print_region_statistics): New static
2296 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2297 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2299 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2300 Andrey Belevantsev <abel@ispras.ru>
2302 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2303 * lists.c (unused_deps_list): New variable.
2304 (free_list): Add assertions to verify the proper distinguishing
2305 between INSN_LISTs and DEPS_LISTs.
2306 (find_list_elem, remove_list_elem, remove_list_node): New static
2308 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2309 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2310 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2311 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2313 (free_INSN_LIST_node): Likewise.
2314 * modulo-sched.c (current_sched_info): Initialize flags field.
2315 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2316 * rtl.def (DEPS_LIST): Define.
2317 * rtl.h: Declare new functions from lists.c.
2318 * sched-deps.c (spec_dependency_cache): New static variable.
2319 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2320 (add_dependence): Change return type to void. Move the logic to ...
2321 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2322 (delete_all_dependences): Add comment about forward_dependency_cache.
2323 Handle spec_dependency_cache. Handle DEPS_LISTs.
2324 (fixup_sched_groups): Clarify the change of priority of output
2325 and anti dependencies.
2326 (sched_analyze_2): Adjust add_dependence calls to create data
2327 speculative dependence.
2328 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2329 Adjust all callers. Handle DEPS_LISTS.
2330 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2331 presence of speculation.
2332 (init_dependency_caches, free_dependency_caches):
2333 Handle spec_dependency_cache.
2334 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2335 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2336 New static functions.
2337 (add_or_update_back_dep, add_or_update_back_forw_dep,
2338 add_back_forw_dep, delete_back_forw_dep): New functions.
2339 * sched-int.h (ds_t, dw_t): New typedefs.
2340 (struct sched_info): Add new field flags.
2341 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2342 Prototype new sched-deps.c functions.
2343 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2344 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2345 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2346 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2347 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2348 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2350 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2352 * sched-rgn.c (current_sched_info): Initialize flags field.
2353 (schedule_insns): Initialize current_sched_info before the sched_init
2355 * sched-ebb.c (current_sched_info): Initialize flags field.
2356 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2357 Call add_or_update_back_dep instead of add_dependence.
2358 Create control speculative dependencies.
2359 (schedule_insns): Initialize current_sched_info before the sched_init
2362 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2364 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2366 (sh_fallback_frame_state): Likewise.
2368 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2370 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2371 Do switch on default_use_cxa_atexit.
2372 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2373 * config/darwin-crt3.o: New.
2374 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2375 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2376 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2378 * config/rs6000/t-darwin: Move crt2.o building to here.
2379 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2380 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2383 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2385 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2386 from '! xxx' to '!xxx' for coding-style conformance.
2387 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2388 (EXTRA_CONSTRAINT): Likewise.
2389 * config/vax/vax.md (four unnamed insns): Likewise.
2391 2006-03-15 Paul Brook <paul@codesourcery.com>
2393 * config/arm/arm.c (minipool_pad): New.
2394 (add_minipool_forward_ref): Include pool alignment padding in address
2396 (push_minipool_fix): Set minipool_pad.
2397 (minipool_pad): Ditto.
2399 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2401 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2402 instead of GET_CODE() == MEM and REG_P() instead of
2404 (print_operand_address): Likewise.
2405 (vax_address_cost): Likewise.
2406 (vax_rtx_costs): Likewise.
2407 (vax_notice_update_cc): Likewise.
2408 (vax_output_int_add): Likewise.
2409 (INDEX_REGISTER_P): Likewise.
2410 (BASE_REGISTER_P): Likewise.
2411 (nonindexed_address_p): Likewise.
2412 (vax_mode_dependent_address_p): Likewise.
2413 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2414 (PRINT_OPERAND): Likewise.
2415 * config/vax/vax.md (ashlsi3): Likewise.
2416 (ashlsi3): Likewise.
2417 (some more unnamed insns): Likewise.
2419 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2421 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2422 iterator-style macro.
2423 (mark_control_dependent_edges_necessary): Update the use of
2424 EXECUTE_IF_CONTROL_DEPENDENT.
2426 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2428 * config/sh/predicates.md (cache_address_operand): Special.
2429 (ua_address_operand): Likewise.
2431 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2433 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2435 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2437 2006-03-15 Andreas Schwab <schwab@suse.de>
2439 * gensupport.c (identify_predicable_attribute): Don't free p_false
2440 when it is still in use.
2442 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2444 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2445 the default setting here.
2447 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2449 * tree-pass.h (pass_cfg): Remove.
2450 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2451 * passes.c (pass_cfg): Don't run it.
2453 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2455 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2456 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2458 (stack_regs_mentioned): Update the uses of
2459 stack_regs_mentioned_data. Don't access the array beyond its
2461 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2462 Don't include gt-reg-stack.h.
2464 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2465 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2467 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2470 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2473 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2475 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2477 2006-03-14 Richard Guenther <rguenther@suse.de>
2479 PR tree-optimization/26672
2480 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2483 2006-03-14 Richard Guenther <rguenther@suse.de>
2485 PR tree-optimization/26667
2486 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2487 node for the callees. Always allow inlining if it will shrink
2490 2006-03-14 Richard Guenther <rguenther@suse.de>
2493 * builtins.c (get_pointer_alignment): Prefer alignment
2494 information from decls over that from types.
2496 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2499 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2501 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2503 * config/rs6000/rs6000.opt (mdlmzb): New option.
2504 (msched-prolog, msched-epilog): Use Var not Mask.
2505 * doc/invoke.texi (-mdlmzb): Document.
2506 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2508 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2509 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2511 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2513 PR rtl-optimization/25739
2514 * bt-load.c (augment_live_range): Free tos pointer.
2516 * gensupport.c (identify_predicable_attribute): Free
2518 * gcov.c (create_file_names): Free name pointer.
2520 2006-03-13 Roger Sayle <roger@eyesopen.com>
2523 * stmt.c (emit_case_nodes): Handle the case where the index is a
2524 CONST_INT, where the comparison mode is specified by the index type.
2526 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2528 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2531 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2533 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2534 (*branch_fp_inverted): Likewise.
2536 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2539 * omp-low.c (expand_omp_for_generic): Mark istart0
2540 and iend0 as addressable.
2542 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2544 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2546 2006-03-13 Jeff Law <law@redhat.com>
2548 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2549 virtual operands are interesting.
2550 (vrp_visit_stmt): Corresponding changes.
2552 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2554 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2556 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2557 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2558 * config/bfin/crti.S: Use it instead of __PIC__.
2559 * config/bfin/crtn.S: Likewise.
2561 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2562 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2564 Lose 'G' modifier for call operand.
2565 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2566 recognize 'G' modifier.
2568 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2571 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2572 * stmt.c (expand_case): Likewise.
2574 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2576 PR rtl-optimization/26254
2577 * loop-invariant.c (seq_insns_valid_p): New function.
2578 (move_invariant_reg): Only emit new code if it is valid.
2580 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2582 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2584 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2585 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2586 (commit_one_edge_insertion): Do not look for loop notes.
2588 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2590 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2591 flag_test_coverage out of loop.
2593 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2595 * final.c (shorten_branches): Remove outdated comment, and turn
2596 the if branch that guards it to continue.
2598 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2600 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2601 * cfgloop.h (struct loop): Remove unused fields.
2603 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2605 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2606 (-dL, -fdump-rtl-loop2): Update the dump file names
2608 * doc/invoke.texi: Update dump file names.
2610 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2612 * predict.c (estimate_probability): Remove.
2613 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2614 * basic-block.h (estimate_probability): Remove prototype.
2615 * passes.c (finish_optimization_passes): Dump branch prediction or
2616 profiling heuristics to the .profile tree dump.
2617 (init_optimization_passes): Unqueue pass_branch_prob.
2619 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2621 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2623 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2624 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2626 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2628 * function.h (frame_offset_overflow): Declare.
2629 * function.c (frame_offset_overflow): New function.
2630 (assign_stack_local_1): Call it to detect that the offset overflows.
2631 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2633 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2635 * config/sh/sh.c: Include alloc-pool.h.
2636 (label_ref_list_pool): New alloc pool.
2637 (label_ref_list_t): New type for lists of labels.
2638 (struct pool_node): Make wend a label_ref_list_t.
2639 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2641 (dump_table): Likewise.
2642 (sh_reorg): Set up the alloc pool before using add_constant and
2643 dump_table, and destroy it when finishing.
2645 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2647 * config/mips/mips.c: Remove redundant comment.
2649 2006-03-10 Jason Merrill <jason@redhat.com>
2652 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2653 the target was declared 'register'.
2655 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2657 * genpreds.c (write_insn_constraint_len): Change definition of
2658 insn_constraint_len to return size_t to match the declaration.
2660 2006-03-10 DJ Delorie <dj@redhat.com>
2662 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2664 (m32c_expand_insv): Fix test for an AND mask.
2666 2006-03-10 Richard Guenther <rguenther@suse.de>
2669 * builtins.c (get_pointer_alignment): Handle component
2670 references for field alignment.
2672 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2674 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2675 when building with libgloss.
2676 (sh*elf): Implement --without-fp option.
2677 (sh64-superh-linux*): Don't multilib.
2679 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2681 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2683 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2685 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2686 Set it when one of the replacement functions returned true.
2687 Return TODO_cleanup_cfg if cfgchanged is true.
2688 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2690 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2692 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2693 instead of gen_lowpart.
2695 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2697 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2699 (mips_output_order_conditional_branch): Declare.
2700 * config/mips/mips.h (MIPS_BRANCH): New macro.
2701 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2702 for the comparison. Use gen_condjump.
2703 (mips_output_conditional_branch): Rework interface to take the
2704 asm templates for a direct branch and the inverse of a direct branch.
2705 (mips_output_order_conditional_branch): New function.
2706 (mips_builtin_branch_and_move): New function.
2707 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2708 branch condition. Use gen_single_cc as the condition for
2709 __builtin_mips_upper_* or __builtin_mips_lower_*.
2710 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2711 Use VOIDmode for the branch condition.
2712 * config/mips/predicates.md (order_operator): New predicate.
2713 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2714 (branch_fp): Rename to...
2715 (*branch_fp): ...this. Remove mode from comparison operator.
2716 Use new mips_output_conditional_branch interface.
2717 (branch_fp_inverted): Rename to...
2718 (*branch_fp_inverted): ...this and update as for *branch_fp.
2719 (*branch_zero<mode>): Rename to...
2720 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2721 Use mips_output_order_conditional_branch. Only accept ordered
2723 (*branch_zero<mode>_inverted): Rename to...
2724 (*branch_order<mode>_inverted): ...this and update as for
2725 *branch_order<mode>.
2726 (*branch_equality<mode>): Accept zero as the second operand to
2727 the equality operator. Use the new mips_output_conditional_branch
2729 (*branch_equality<mode>_inverted): Likewise.
2730 (condjump): New expander.
2731 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2733 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2734 (bc1any2t, bc1any2f): Likewise.
2735 (single_cc): New expander.
2736 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2738 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2740 * doc/md.texi: Update documentation of MIPS constraints.
2741 * config/mips/constraints.md: New file.
2742 * config/mips/mips.md: Include it.
2743 * config/mips/mips.c (mips_char_to_class): Delete.
2744 (override_options): Don't initialize mips_char_to_class.
2745 * config/mips/mips.h (mips_char_to_class): Delete.
2746 (REG_CLASS_FROM_LETTER): Delete.
2747 (CONST_OK_FOR_LETTER_P): Delete.
2748 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2749 (EXTRA_CONSTRAINT_Y): Delete.
2750 (EXTRA_CONSTRAINT_STR): Delete.
2751 (CONSTRAINT_LEN): Delete.
2752 (EXTRA_MEMORY_CONSTRAINT): Delete.
2754 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2756 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2757 original fn's eh regions.
2759 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2761 * fold-const.c (build_range_check): Make sure to use a valid type to
2762 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2765 (range_predecessor): New static function.
2766 (range_successor): Likewise.
2767 (merge_ranges): Use them to compute predecessors and successors of
2770 2006-03-09 Roger Sayle <roger@eyesopen.com>
2773 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2774 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2776 2006-03-08 DJ Delorie <dj@redhat.com>
2778 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2779 (addpsi3): Expand to include memory operands. Remove
2780 reload-specific splits.
2781 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2782 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2783 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2784 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2785 (shift1_qi, shift1_hi, insv): New.
2786 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2787 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2788 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2790 * config/m32c/m32c-protos.h: Update as needed.
2791 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2792 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2793 Fail for unrecognized R* constraints.
2794 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2795 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2796 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2798 (m32c_init_libfuncs): New.
2799 (m32c_legitimate_address_p): Add debug wrapper.
2800 (m32c_rtx_costs): New.
2801 (m32c_address_cost): New.
2802 (conversions): Add 'B' prefix.
2803 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2804 operands, or word regnames for QI operands. 'B' prints bit
2806 (m32c_expand_setmemhi): New.
2807 (m32c_expand_movmemhi): New.
2808 (m32c_expand_movstr): New.
2809 (m32c_expand_cmpstr): New.
2810 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2811 (m32c_expand_neg_mulpsi3): Handle non-ints.
2812 (m32c_cmp_flg_0): New.
2813 (m32c_expand_movcc): New.
2814 (m32c_expand_insv): New.
2815 (m32c_scc_pattern): New.
2816 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2817 a0/a1 out of SIregs.
2818 (STORE_FLAG_VALUE): New.
2819 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2822 * config/m32c/mov.md: Make constraints more liberal.
2823 (zero_extendqihi2): Optimize r0/r1 case.
2824 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2825 * config/m32c/predicates.md (m32c_any_operand): New.
2826 (m32c_nonimmediate_operand): New.
2827 (m32c_hl_operand): New.
2828 (m32c_r3_operand): New.
2831 (memsym_operand): New.
2832 (memimmed_operand): New.
2833 (a_qi_operand): New.
2834 (m32c_eqne_operator): New.
2835 (m32c_1bit8_operand): New.
2836 (m32c_1bit16_operand): New.
2837 (m32c_1mask8_operand): New.
2838 (m32c_1mask16_operand): New.
2839 * config/m32c/blkmov.md: New file.
2840 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2842 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2844 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2845 unsigned to fix signed/unsigned comparison issue in
2846 DWARF2_FRAME_REG_OUT.
2847 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2848 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2850 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2851 of ptr into the ENABLE_CHECKING section.
2853 2006-03-08 Jeff Law <law@redhat.com>
2855 * tree-vrp.c (infer_value_range): Only count pointer uses
2856 and dereferences if -fdelete-null-pointer-checks is enabled.
2858 * tree-vrp.c (find_assert_locations): Infer value ranges for
2859 single use pointers, but do not create ASSERT_EXPRs for them.
2860 When a non-null range is inferred for a pointer, backwards
2861 propagate that range to other equivalent pointers through the
2864 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2867 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2868 language hook targets.
2869 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2870 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2871 if language hook targets were missing.
2873 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2875 * tree-ssa-opfinalize.h: Removed.
2876 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2878 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2879 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2880 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2881 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2882 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2883 finalize_ssa_v_must_def_ops): New.
2885 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2887 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2890 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2892 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2894 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2895 addresses with offsets; reorganize.
2897 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2898 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2899 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2901 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2904 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2906 2006-03-08 Ben Elliston <bje@au.ibm.com>
2908 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2910 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2913 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2916 2006-03-07 Richard Guenther <rguenther@suse.de>
2918 PR tree-optimization/26587
2919 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2921 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2923 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2925 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2927 * hooks.c (hook_bool_mode_rtx_true): New function.
2928 * hooks.h (hook_bool_mode_rtx_true): Declare.
2929 * toplev.c (compile_file): Call output_shared_constant_pool.
2930 * varasm.c (shared_constant_pool): New variable.
2931 (assemble_start_function, assemble_end_function): Remove arguments
2932 from call to output_constant_pool.
2933 (create_constant_pool): New function, split out from...
2934 (init_varasm_status): ...here.
2935 (force_const_mem): Choose between the shared and per-function constant
2936 pools. Set current_function_uses_const_pool when reusing old entries
2937 as well as when creating new ones.
2938 (mark_constant): Ignore data argument.
2939 (mark_constants): Remove pool argument.
2940 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2941 to decide whether the function uses a constant pool.
2942 (output_constant_pool_contents): New function, split out from...
2943 (output_constant_pool): ...here.
2944 (output_shared_constant_pool): New function.
2945 (init_varasm_once): Initialize shared_constant_pool.
2946 * output.h (output_constant_pool): Delete.
2947 (output_shared_constant_pool): Declare.
2948 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2949 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2951 2006-03-06 Nick Clifton <nickc@redhat.com>
2953 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2954 flag_strength_reduce.
2956 2006-03-06 Ben Elliston <bje@au.ibm.com>
2958 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2959 x86_64-*-linux* configurations.
2961 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2962 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2964 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2966 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2968 * basic-block.h: Remove the extern for
2969 rediscover_loops_after_threading.
2971 * cfgloop.c (cancel_loop): Make it static.
2972 * cfgloop.h: Remove the prototype for cancel_loop.
2974 * flow.c (recompute_reg_usage): Make it static.
2975 * rtl.h: Remove the prototype for recompute_reg_usage.
2977 * function.c (use_return_register): Make it static.
2978 * function.h: Remove the prototype.
2980 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2982 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2984 * recog.h: Remove the prototype for
2985 validate_change_maybe_volatile.
2987 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2989 * rtlanal.c (replace_reg): Remove.
2990 * rtl.h: Remove the prototype for replace_reg.
2992 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2994 * regclass.c (reg_scan_update): Remove.
2995 (reg_scan_mark_refs): Remove the last argument.
2996 * rtl.h: Remove the prototype for reg_scan_update.
2998 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3000 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3001 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3002 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3003 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3004 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3005 loop-invariant.c, omp-low.c, opts.c, passes.c,
3006 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3007 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3008 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3009 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3010 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3011 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3013 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3015 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3016 * dwarf2out.h: Remove the prototype for
3017 dwarf2out_add_library_unit_info.
3019 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3021 * tree.c (add_var_to_bind_expr): Remove.
3022 * tree.h: Remove the prototype for add_var_to_bind_expr.
3024 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3026 * regclass.c (n_non_fixed_regs): Remove.
3027 (init_reg_sets_1, globalize_reg): Remove all uses of
3029 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3031 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3033 * rtlanal.c (insns_safe_to_move_p): Remove.
3034 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3036 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3038 * expmed.c (expand_mult_add): Remove.
3039 * expr.h: Remove the prototype for expand_mult_add.
3041 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3043 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3044 and REG_SAVED_VAL_EXP constants.
3045 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3046 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3047 Handle regs stored by value.
3048 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3049 (execute_cfa_program): Handle DW_CFA_val_offset,
3050 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3051 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3052 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3053 (uw_install_context_1): Handle target regs stored by value.
3055 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3057 * tree-sra.c (tree_sra): Return todoflags;
3058 (generate_one_element): Set TODO_update_smt_usage if needed.
3059 (pass_sra): Remove TODO_update_smt_usage.
3060 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3062 (tree_ssa_forward_propagate_single_use_vars): Return
3063 TODO_update_smt_usage if we need to update SMT usage.
3064 (pass_forwprop): Remove TODO_update_smt_usage.
3066 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3068 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3069 (correct_use_link): Remove reference to get_stmt_operands.
3070 (update_stmt_operands): Likewise.
3071 (get_modify_expr_operands): New function factored out of
3072 parse_ssa_operands and get_expr_operands.
3073 Try to create V_MUST_DEFs for LHS by default.
3074 (get_expr_operands) <case MODIFY_EXPR>: Call
3075 get_modify_expr_operands.
3076 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3077 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3078 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3079 get_modify_expr_operands.
3081 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3083 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3084 * tree-flow.h: Remove the prototype for
3085 referenced_var_lookup_if_exists.
3087 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3089 PR rtl-optimization/26345
3091 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3093 2006-03-03 Roger Sayle <roger@eyesopen.com>
3095 PR tree-optimization/26524
3096 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3097 fold_convert to create a constant of the appropriate type.
3099 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3101 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3102 SYMBOL_REF_IN_BLOCK_P.
3103 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3104 of SYMBOL_FLAG_IN_BLOCK.
3105 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3106 instead of SYMBOL_REF_IN_BLOCK_P.
3107 * explow.c (use_anchored_address): Likewise.
3108 * rtl.c (rtx_size): Likewise.
3109 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3110 instead of SYMBOL_FLAG_IN_BLOCK.
3111 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3112 SYMBOL_REF_IN_BLOCK_P.
3113 (assemble_variable): Likewise.
3114 (output_constant_def_contents): Likewise.
3115 (output_constant_pool): Likewise.
3116 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3117 instead of SYMBOL_FLAG_IN_BLOCK.
3118 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3119 SYMBOL_REF_IN_BLOCK_P.
3120 (SYMBOL_REF_BLOCK): Likewise.
3121 (SYMBOL_REF_OFFSET): Likewise.
3122 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3123 SYMBOL_REF_IN_BLOCK_P.
3124 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3125 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3126 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3127 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3129 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3131 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3133 2006-03-02 Roger Sayle <roger@eyesopen.com>
3135 * simplify-rtx.c (simplify_unary_operation): When simplifying
3136 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3137 that we perform the right shift in the appropriate mode, and
3138 then extend or truncate the result to requested mode.
3140 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3142 * gengtype.c (main): Handle double_int type.
3143 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3144 * double-int.c: New file.
3145 * double-int.h: New file.
3146 * system.h: Include doubleint.h.
3147 * Makefile.in (SYSTEM_H): Include double-int.h.
3148 (double-int.o): Add.
3150 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3153 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3156 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3158 * tree-vrp.c (remove_range_assertions): Do not update statements
3161 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3163 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3165 * gcse.c (rest_of_handle_gcse): Ditto.
3166 * except.c (gate_handle_eh): Ditto.
3167 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3168 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3170 2006-03-02 Eric Christopher <echristo@apple.com>
3172 * config/i386/i386.c (machopic_output_stub): Add indirection to
3175 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3179 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3181 Sun Niagara specific optimizations.
3182 * config.gcc: Recognize niagara as target.
3183 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3184 (TARGET_CPU_niagara): Define.
3185 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3186 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3187 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3188 (ASM_CPU_SPEC): Likewise.
3189 (PROCESSOR_NIAGARA): New enum entry.
3190 (REGISTER_MOVE_COST): Handle Niagara.
3191 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3192 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3193 (sparc_override_options): Recognize "niagara", set appropriate
3194 default MASK_* values for it, and align functions to 32-bytes
3195 by default just like ULTRASPARC/ULTRASPARC3.
3196 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3197 (sparc64_initialize_trampoline): Likewise.
3198 (sparc_use_sched_lookahead): Use zero for niagara.
3199 (sparc_issue_rate): Use one for niagara.
3200 * config/sparc/niagara.md: New file.
3201 * config/sparc/sparc.md: Include it.
3202 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3203 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3204 when default cpu is niagara.
3205 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3206 (ASM_CPU_SPEC): Likewise.
3207 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3208 when default cpu is niagara.
3209 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3210 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3211 just like v9/ultrasparc/ultrasparc3.
3212 * doc/invoke.texi: Add documentation for "niagara" and improve
3213 existing documentation for ultrasparc variants.
3215 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3217 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3219 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3221 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3222 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3223 and say that only one is needed.
3224 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3225 * target.h (have_switchable_bss_sections): New hook.
3226 * explow.c (use_anchored_address): Check that the symbol is in a block.
3227 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3228 (bss_noswitch_section): New variables.
3229 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3230 (get_noswitch_section): New function.
3231 (get_block_for_section): Allow SECT to be null.
3232 (unlikely_text_section_p): Use SECTION_STYLE.
3233 (bss_initializer_p): New function.
3234 (get_variable_section): Move earlier in file. Take a new argument,
3235 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3236 Return one of the new *_sections in such cases.
3237 (get_block_for_decl): New function, extracting some logic from
3238 use_blocks_for_decl_p.
3239 (change_symbol_section): Remove in favor of...
3240 (change_symbol_block): ...this new function.
3241 (use_blocks_for_decl_p): Remove checks now performed by
3243 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3244 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3245 (emit_local, emit_bss, emit_common): ...these new functions.
3246 Return true if the alignment was honored.
3247 (emit_tls_common): New function.
3248 (asm_emit_uninitialised): Delete.
3249 (assemble_variable_noswitch): New function, split out from...
3250 (assemble_variable): ...here. Don't make decisions about common
3251 variables here. Globalize all public decls that go into non-common
3252 sections. Check whether SYMBOL_REF_BLOCK is null.
3253 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3254 (output_constant_pool): Likewise.
3255 (init_varasm_once): Initialize the new section variables.
3256 (have_global_bss_p): New function.
3257 (categorize_decl_for_section): Use bss_initializer_p.
3258 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3259 (place_block_symbol): Assert that the symbol must be in a block.
3260 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3261 (TARGET_INITIALIZER): Include it.
3262 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3263 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3264 (SECTION_MACH_DEP): Bump by two.
3265 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3266 (unnamed_section): Mention SECTION_UNNAMED in comment.
3267 (named_section): Likewise SECTION_NAMED.
3268 (noswitch_section_callback): New type.
3269 (noswitch_section): New structure.
3270 (section): Add a noswitch_section alternative.
3271 (SECTION_STYLE): New macro.
3272 (tls_comm_section, comm_section, lcomm_section): Declare.
3273 (bss_noswitch_section, have_global_bss_p): Declare.
3274 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3275 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3277 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3278 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3281 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3283 * gcc/tree-vrp.c (execute_vrp): Return value.
3284 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3285 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3286 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3287 (tree_lower_complex_O0): Ditto.
3288 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3289 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3290 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3291 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3292 (execute_tail_calls): Ditto.
3293 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3294 * gcc/tree.h (init_function_for_compilation): Ditto.
3295 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3296 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3297 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3298 * gcc/final.c (compute_alignments): Ditto.
3299 (rest_of_handle_final): Ditto.
3300 (rest_of_handle_shorten_branches): Ditto.
3301 (rest_of_clean_state): Ditto.
3302 * gcc/omp-low.c (execute_expand_omp): Ditto.
3303 (execute_lower_omp): Ditto.
3304 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3305 * gcc/ipa-reference.c (static_execute): Ditto.
3306 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3307 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3308 (rest_of_handle_machine_reorg): Ditto.
3309 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3310 * gcc/flow.c (recompute_reg_usage): Ditto.
3311 (rest_of_handle_remove_death_notes): Ditto.
3312 (rest_of_handle_life): Ditto.
3313 (rest_of_handle_flow2): Ditto.
3314 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3315 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3316 (do_ssa_store_ccp): Ditto.
3317 (execute_fold_all_builtins): Ditto.
3318 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3319 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3320 * gcc/ipa-pure-const.c (static_execute): Ditto.
3321 * gcc/cse.c (rest_of_handle_cse): Ditto.
3322 (rest_of_handle_cse2): Ditto.
3323 * gcc/web.c (rest_of_handle_web): Ditto.
3324 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3325 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3326 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3327 * gcc/tree-nrv.c (tree_nrv): Ditto.
3328 (execute_return_slot_opt): Ditto.
3329 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3330 (create_structure_vars): Ditto.
3331 * gcc/loop-init.c (rtl_loop_init): Ditto.
3332 (rtl_loop_done): Ditto.
3333 (rtl_move_loop_invariants): Ditto.
3334 (rtl_unswitch): Ditto.
3335 (rtl_unroll_and_peel_loops): Ditto.
3336 (rtl_doloop): Ditto.
3337 * gcc/gimple-low.c (lower_function_body): Ditto.
3338 (mark_used_blocks): Ditto.
3339 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3340 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3341 (cgraph_early_inlining): Ditto.
3342 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3343 * gcc/jump.c (cleanup_barriers): Ditto.
3344 (purge_line_number_notes): Ditto.
3345 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3346 (rest_of_handle_if_after_reload): Ditto.
3347 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3348 (tree_ssa_loop_im): Ditto.
3349 (tree_ssa_loop_unswitch): Ditto.
3350 (tree_vectorize): Ditto.
3351 (tree_linear_transform): Ditto.
3352 (tree_ssa_loop_ivcanon): Ditto.
3353 (tree_ssa_empty_loop): Ditto.
3354 (tree_ssa_loop_bounds): Ditto.
3355 (tree_complete_unroll): Ditto.
3356 (tree_ssa_loop_prefetch): Ditto.
3357 (tree_ssa_loop_ivopts): Ditto.
3358 (tree_ssa_loop_done): Ditto.
3359 * gcc/predict.c (tree_estimate_probability): Ditto.
3360 * gcc/recog.c (split_all_insns_noflow): Ditto.
3361 (rest_of_handle_peephole2): Ditto.
3362 (rest_of_handle_split_all_insns): Ditto.
3363 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3364 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3365 (rest_of_handle_stack_adjustments): Ditto.
3366 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3367 * gcc/function.c (instantiate_virtual_regs): Ditto.
3368 (init_function_for_compilation): Ditto.
3369 (rest_of_handle_check_leaf_regs): Ditto.
3370 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3371 (rest_of_handle_gcse): Ditto.
3372 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3373 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3374 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3375 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3376 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3377 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3378 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3379 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3380 * gcc/except.c (set_nothrow_function_flags): Ditto.
3381 (convert_to_eh_region_ranges): Ditto.
3382 (rest_of_handle_eh): Ditto.
3383 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3384 (remove_unnecessary_notes): Ditto.
3385 * gcc/except.h (set_nothrow_function_flags): Ditto.
3386 (convert_to_eh_region_ranges): Ditto.
3387 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3388 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3389 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3390 (execute_fre): Ditto.
3391 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3392 (rest_of_handle_jump2): Ditto.
3393 * gcc/tree-sra.c (tree_sra): Ditto.
3394 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3395 (execute_mudflap_function_decls): Ditto.
3396 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3397 (do_store_copy_prop): Ditto.
3398 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3399 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3400 * gcc/tree-ssa-forwprop.c
3401 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3402 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3403 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3404 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3405 (execute_late_warn_uninitialized): Ditto.
3406 * gcc/rtl.h (cleanup_barriers): Ditto.
3407 (split_all_insns_noflow): Ditto.
3408 (purge_line_number_notes): Ditto.
3409 (unshare_all_rtl): Ditto.
3410 (remove_unnecessary_notes): Ditto.
3411 (recompute_reg_usage): Ditto.
3412 (variable_tracking_main): Ditto.
3413 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3414 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3415 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3416 (execute_free_cfg_annotations): Ditto.
3417 (execute_fixup_cfg): Ditto.
3418 (execute_cleanup_cfg_pre_ipa): Ditto.
3419 (execute_cleanup_cfg_post_optimizing): Ditto.
3420 (execute_init_datastructures): Ditto.
3421 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3422 * gcc/combine.c (rest_of_handle_combine): Ditto.
3423 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3424 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3425 (rest_of_handle_reorder_blocks): Ditto.
3426 (rest_of_handle_partition_blocks): Ditto.
3427 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3428 * gcc/tree-profile.c (tree_profiling): Ditto.
3429 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3430 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3431 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3432 (rest_of_handle_sched2): Ditto.
3433 * gcc/basic-block.h (free_bb_insn): Ditto.
3434 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3435 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3436 (remove_useless_stmts): Ditto.
3437 (split_critical_edges): Ditto.
3438 (execute_warn_function_return): Ditto.
3439 (execute_warn_function_noreturn): Ditto.
3440 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3441 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3442 * gcc/passes.c (execute_one_pass): Run additional
3443 todos returned by execute function.
3444 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3447 2006-03-02 Richard Guenther <rguenther@suse.de>
3449 * tree-ssa-alias.c (find_used_portions): Consider taking
3450 the address as making the variable not write-only.
3452 2006-03-02 Nick Clifton <nickc@redhat.com>
3454 * config.gcc (default_use_cxa_atexit): Extend the description of
3455 this configure variable. Set its default value to "yes" for
3456 Linux, NetBSD and ELF targets on the assumption that they will
3457 use C libraries with the __cxa_atexit function.
3459 2006-03-02 Ben Elliston <bje@au.ibm.com>
3461 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3462 parameter as unused to suppress a build warning.
3464 2006-03-02 Ben Elliston <bje@au.ibm.com>
3466 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3469 2006-03-01 Roger Sayle <roger@eyesopen.com>
3472 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3473 declared name, the weak reference name, and the typeof name.
3474 (__gthrw): Avoid expanding the declared name suffix.
3475 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3477 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3479 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3481 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3482 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3483 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3484 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3485 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3486 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3487 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3488 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3489 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3490 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3491 (DW_END_default, DW_END_big, DW_END_little): New.
3492 (DW_END_lo_user, DW_END_hi_user): Define.
3493 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3494 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3495 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3498 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3500 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3502 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3504 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3506 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3508 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3509 to 'symbol_mem_tag'.
3511 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3514 2006-03-01 Roger Sayle <roger@eyesopen.com>
3516 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3518 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3521 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3522 MACHO_DYNAMIC_NO_PIC_P.
3523 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3525 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3528 * config/darwin-protos.h (darwin_asm_output_anchor):
3530 * config/darwin-sections.def (cstring_section):
3531 Add SECTION_MERGE to the flags.
3532 (literal4_section): Likewise.
3533 (literal8_section): Likewise.
3534 (objc_selector_refs_section): Likewise.
3535 (objc_cls_refs_section): Likewise.
3536 * config/darwin.c (darwin_asm_output_anchor): New
3538 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3540 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3542 Fix PR tree-optimization/26443
3543 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3544 to todo and PROP_tmt_usage to properties_destroyed.
3545 * tree-ssa-ccp.c (pass_ccp): Ditto.
3546 (pass_store_ccp): Ditto.
3547 * tree-ssa-dom.c (pass_dominator): Ditto.
3549 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3551 * tree-ssa-operands.c: Cleanup whitespace.
3552 (get_asm_expr_operands): Move before first invocation.
3553 (get_indirect_ref_operands): Likewise.
3554 (get_tmr_operands): Likewise.
3555 (get_call_expr_operands): Likewise.
3556 (append_def): Likewise.
3557 (append_use): Likewise.
3558 (append_v_may_def): Likewise.
3559 (append_v_must_def): Likewise.
3560 (add_call_clobber_ops): Likewise.
3561 (add_call_read_ops): Likewise.
3562 (add_stmt_operand): Likewise.
3563 (add_virtual_operand): Likewise.
3564 (build_ssa_operands): Likewise.
3566 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3571 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3572 with a call expr to ...
3573 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3575 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3577 * tree-vrp.c (extract_range_from_assert): Remove special
3578 handling for types with super-types.
3580 2006-03-01 Ben Elliston <bje@au.ibm.com>
3582 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3583 and powerpc64-*-linux* configurations.
3584 * config/t-dfprules: New file.
3586 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3587 Compile dfp-bit.c from the source directory using -DWIDTH and
3588 $DFP_CFLAGS to control the compilation of that file, rather than
3589 generating width-specific versions in the build directory.
3590 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3591 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3593 2006-02-28 Zack Weinberg <zackw@panix.com>
3595 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3598 2006-02-28 Eric Christopher <echristo@apple.com>
3600 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3601 Set up IN_LIBGCC definition of TARGET_64BIT.
3602 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3604 2006-02-28 Roger Sayle <roger@eyesopen.com>
3607 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3608 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3609 cases via the construction of "expr != 0".
3611 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3613 * alias.c (alias_invariant, alias_invariant_size): Remove.
3614 (record_base_value): Remove.
3615 (memrefs_conflict_p): Don't look at alias_invariant.
3616 (end_alias_analysis): Don't free it.
3617 * alias.h (record_base_value): Remove prototype.
3619 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3620 Adam Nemet <anemet@caviumnetworks.com>
3622 * rtl.h (truncated_to_mode): Declare it.
3623 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3624 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3625 (RTL_HOOKS_INITIALIZER): Include it.
3626 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3627 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3628 reg_truncated_to_mode.
3629 * rtlanal.c (truncated_to_mode): Define it.
3630 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3632 2006-02-28 Jeff Law <law@redhat.com>
3634 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3635 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3636 the range allowed by TYPE_PRECISION.
3638 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3640 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3642 PR tree-optimization/26419
3643 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3646 2006-02-27 Zack Weinberg <zackw@panix.com>
3648 * doc/md.texi: Fix typo in previous change.
3650 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3654 2006-02-27 Zack Weinberg <zackw@panix.com>
3656 * rtl.def (define_constraint, define_register_constraint)
3657 (define_memory_constraint, define_address_constraint): New MD forms.
3658 * gensupport.c (process_rtx): Put define_constraint etc on the
3660 * genpreds.c (process_define_predicate): Adjust comment. Validate
3661 the name, and call validate_exp to validate the expression.
3662 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3663 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3664 all callers changed.
3665 (validate_exp, needs_variable, struct constraint_data)
3666 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3667 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3668 (const_dbl_constraints, constraint_max_namelen)
3669 (have_register_constraints, have_memory_constraints)
3670 (have_address_constraints, have_address_constraints)
3671 (have_extra_constraints, have_const_int_constraints)
3672 (have_const_dbl_constraints, mangle, add_constraint)
3673 (process_define_constraint, process_define_register_constraint)
3674 (write_enum_constraint_num, write_lookup_constraint)
3675 (write_insn_constraint_len, write_regclass_for_constraint)
3676 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3677 (write_insn_extra_memory_constraint)
3678 (write_insn_extra_address_constraint)
3679 (write_satisfies_constraint_fns): New.
3680 (write_tm_preds_h): If we have new-style constraint definitions,
3681 prototype the functions generated from them, and define the
3682 old constraint interface (still used by generic code) in terms of
3684 (write_insn_preds_c): If we have new-style constraint definitions,
3685 generate all relevant functions from those definitions.
3686 (main): Handle define_constraint etc.
3687 * genoutput.c (struct constraint_data, indep_constraints)
3688 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3689 (mdep_constraint_len): New data structures and functions, defined
3690 #ifdef USE_MD_CONSTRAINTS.
3691 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3692 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3693 use new logic to validate operand constraints against constraint
3695 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3697 * defaults.h: If none of the old-style constraint macros are
3698 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3699 old-style macros; and poison REG_CLASS_FROM_LETTER,
3700 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3702 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3703 * doc/md.texi: Document new constraint-definition mechanism and the
3704 C interface it provides. Remove references to old mechanism
3705 elsewhere in the document.
3706 (Machine Constraints): Use pathnames relative to gcc directory,
3707 i.e. config/ARCH/FILE. Change i386 section to refer to
3708 config/i386/predicates.md; update that section to match docstrings.
3709 * doc/tm.texi: Move all documentation of the old constraint-
3710 definition macros to their own section, clearly mark as obsolete.
3712 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3713 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3715 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3716 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3717 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3719 (splits and peepholes): Use satisfies_constraint_*.
3720 * config/i386/i386.c (memory_address_length)
3721 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3723 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3725 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3726 scalar operation to be put back into the loop.
3728 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3731 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3732 (extract_cie_info): Handle S flag in augmentation string.
3733 (execute_cfa_program): If context->signal_frame, execute also
3734 fs->pc == context->ra instructions.
3735 (uw_frame_state_for): If context->signal_frame, don't subtract one
3736 from context->ra to find FDE.
3737 (uw_update_context_1): Set context->signal_frame to
3739 (_Unwind_GetIPInfo): New function.
3740 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3741 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3743 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3744 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3745 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3746 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3747 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3748 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3749 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3750 x86_64_fallback_frame_state): Set fs->signal_frame.
3751 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3752 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3753 (frob_update_context): Likewise. Workaround missing S flag in
3754 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3755 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3756 Remove the psw_addr + 1 hack.
3758 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3760 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3761 with aggregates here.
3762 (find_func_aliases): Remove code for &<aggregate> from here.
3764 2006-02-26 Roger Sayle <roger@eyesopen.com>
3766 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3767 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3768 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3771 2006-02-26 Roger Sayle <roger@eyesopen.com>
3774 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3776 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3778 * opts.c (decode_options): Do not handle flag_strength_reduce.
3779 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3780 and OPT_fstrength_reduce.
3781 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3782 flag_prefetch_loop_arrays for being nonzero.
3783 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3785 (fprefetch-loop-arrays-rtl): Removed.
3786 (flag_prefetch_loop_arrays): Do not specify the value.
3788 * doc/passes.texi: Update documentation of loop optimizer
3790 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3791 -frerun-loop-opt): Remove.
3793 2006-02-26 Richard Guenther <rguenther@suse.de>
3795 PR tree-optimization/26421
3796 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3797 in function calls that are ADDR_EXPRs as using the whole structure.
3799 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3801 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3802 * tree-pass.h (pass_loop_optimize): Remove.
3803 * passes.c (pass_loop_optimize): Never run it.
3804 * toplev.c (backend_init): Don't call init_loop.
3805 * opts.c (flag_loop_optimize_set): Remove.
3806 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3807 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3808 the old RTL loop optimizer when profiling enabled.
3809 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3810 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3811 pre-headers for the sake of the old RTL loop optimizer.
3812 * Makefile.in: Remove all references to loop.o.
3814 * doc/invoke.texi: Remove all references to -floop-optimize
3815 and -frerun-loop-opt.
3817 2006-02-26 Zack Weinberg <zackw@panix.com>
3819 * doc/md.texi (Machine Constraints): Refer to all files with paths
3820 relative to gcc directory (i.e. config/CPU/file). Add missing
3821 @table @code ... @end table to M32C subsection.
3823 2006-02-26 Roger Sayle <roger@eyesopen.com>
3825 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3827 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3829 2006-02-26 Roger Sayle <roger@eyesopen.com>
3830 James A. Morrison <phython@gcc.gnu.org>
3833 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3834 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3835 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3836 signedness of the shift operation.
3838 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3840 PR tree-optimization/26359
3841 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3843 2006-02-25 Roger Sayle <roger@eyesopen.com>
3845 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3846 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3847 as X == 0, and some symmetry related transformations.
3848 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3850 2006-02-25 Roger Sayle <roger@eyesopen.com>
3853 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3854 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3855 symmetry related transformations. Fold (X^C1) == C2 as
3858 2006-02-25 Juergen Weigert <jw@suse.de>
3859 Richard Guenther <rguenther@suse.de>
3861 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3863 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3865 * combine.c (gen_lowpart_or_truncate): Call
3866 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3868 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3870 * doc/invoke.texi: Move -fopenmp description to "Options for
3872 Remove reference to -lgomp.
3874 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3876 * doc/install.texi: Require GNU tar version 1.14.
3878 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3880 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3881 * doc/invoke.texi (C++ Dialect Options): Document
3882 -fno-use-cxa-get-exception-ptr.
3883 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3884 * configure: Regenerate.
3885 * c.opt (fuse-cxa-get-exception-ptr): New.
3886 * c-opts.c (c_common_handle_option): Handle
3887 OPT_fuse_cxa_get_exception_ptr.
3888 * c-common.c (flag_use_cxa_atexit): Update documentation.
3889 (flag_use_cxa_get_exception_ptr): New.
3890 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3891 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3893 (C_COMMON_OVERRIDE_OPTIONS): New.
3895 2006-02-24 Roger Sayle <roger@eyesopen.com>
3898 * combine.c (try_combine): Explicitly check whether GET_CODE is
3899 a SET or a CLOBBER, instead on checking that it isn't a USE.
3901 2006-02-24 Roger Sayle <roger@eyesopen.com>
3903 * fold-const.c (fold_comparison): New subroutine of fold_binary
3904 containing transformations common to both the equality and
3905 ordering relational operators, factored out of fold_binary.
3906 (fold_binary): Separate out the equality operators (EQ_EXPR
3907 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3908 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3909 transformations common to both.
3910 (fold_div_compare): Fix latent bugs in the previously unreachable
3911 LT_EXPR and GE_EXPR cases.
3913 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3915 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3916 decl libname for clog to __clog on AIX.
3918 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3920 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3923 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3924 output traceback table for thunks. Localise rs6000_stack_info call.
3926 2006-02-23 Roger Sayle <roger@eyesopen.com>
3927 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3929 * gthr-posix.h (__gthrw): Fix typo in comment.
3931 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3933 * doc/cpp.texi (Character sets): Document that we do support
3934 input files to be in any character set.
3936 2006-02-23 Jeff Law <law@redhat.com>
3938 * tree.h (PHI_ARG_NONZERO): Remove.
3939 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3940 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3941 node to the new node.
3943 PR tree-optimization/26425
3944 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3945 min/max, then assume its varying.
3947 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3949 PR rtl-optimization/26316
3950 * rtlanal.c (enum may_trap_p_flags): New.
3951 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3952 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3953 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3954 (may_trap_after_code_motion_p): New function.
3955 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3956 (find_invariant_insn): Use may_trap_after_code_motion_p.
3957 * rtl.h (may_trap_after_code_motion_p): Declare.
3959 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3961 * emit-rtl.c (immed_double_const): Cleanup.
3963 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3965 Fix PR tree-optimization/26376
3966 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3969 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3972 * gimplify.c (omp_add_variable): Guard variable size decl test with
3973 DECL_SIZE (decl) check.
3975 2006-02-23 Richard Guenther <rguenther@suse.de>
3978 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3979 like aggregate types.
3981 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3983 * configure.ac: Add --with{,out}-long-double-128 configure option.
3984 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3985 * configure: Rebuilt.
3986 * config.in: Rebuilt.
3987 * doc/install.texi (Options specification): Document
3988 --with-long-double-128.
3990 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3991 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3992 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3993 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3995 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3997 * config/s390/s390.c (override_options): Handle
3998 TARGET_DEFAULT_LONG_DOUBLE_128.
4000 * config/alpha/alpha.c (override_options): Handle
4001 TARGET_DEFAULT_LONG_DOUBLE_128.
4003 * config/sparc/sparc.c (sparc_override_options): Handle
4004 TARGET_DEFAULT_LONG_DOUBLE_128.
4006 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4008 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4009 (real-install-headers-tar, real-install-headers-cpio)
4010 (real-install-headers-cp): New targets.
4012 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4014 * tree.h (variable_section): Delete.
4015 * varasm.c (variable_section): Delete.
4017 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4019 * install.texi: Add notes on install.texi2html.
4020 (Building in parallel): Do not use footnotes.
4022 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4025 * doc/install.texi (Configuration): Document --disable-libgomp.
4027 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4029 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4031 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4033 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4034 (vec_extractv2df_0_sse): New.
4036 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4038 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4039 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4040 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4041 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4042 to the result of the expression.
4043 (def_cfa_1): Adjust.
4044 (frame_pointer_cfa_offset): Rename to...
4045 (frame_pointer_fb_offset): ... this. Adjust all uses.
4046 (convert_cfa_to_loc_list): Rename to...
4047 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4048 Pass it on to build_cfa_loc.
4049 (compute_frame_pointer_to_cfa_displacement): Rename to...
4050 (compute_frame_pointer_to_fb_displacement): ... this. New
4051 offset parameter. Use it in computation.
4052 (gen_subprogram_die): Compute cfa_fb_offset with the new
4053 macro, and use it to compute the fb loc list and the
4056 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4058 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4059 replaced with register_operand.
4060 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4061 non-DREG is expensive.
4062 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4063 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4066 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4068 * doc/install.texi2html: Use set -e.
4070 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4072 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4073 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4074 * doc/invoke.texi (-fshared-data): Delete.
4075 * common.opt (fshared-data): Delete.
4076 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4077 (assemble_static_space): Remove #if 0 code.
4078 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4079 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4080 * config/cris/cris.h: Remove FIXME.
4082 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4084 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4087 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4090 * combine.c (simplify_shift_const_1): Disable nested shifts
4091 optimization for vector shifts.
4093 2006-02-20 Roger Sayle <roger@eyesopen.com>
4095 PR tree-optimization/26361
4096 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4097 of unsigned integer types.
4099 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4101 * tree-chrec.c (eq_evolutions_p): New.
4102 * tree-chrec.h (eq_evolutions_p): Declared.
4103 * tree-data-ref.c: Fix formatting.
4104 (datadep_stats, dependence_stats): New.
4106 (print_direction_vector): New.
4107 (dump_data_dependence_relation): Use print_direction_vector.
4108 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4109 (compute_subscript_distance): Static.
4110 (initialize_data_dependence_relation): Static. Get the number
4111 of loops surrounding the references from the callers, and initialize
4112 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4113 base_object_differ_p analyzers.
4114 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4115 compute_overlap_steps_for_affine_1_2,
4116 analyze_subscript_affine_affine): Count the classified dependences.
4117 Print a message when a test failed.
4118 (can_use_analyze_subscript_affine_affine): New.
4119 (analyze_siv_subscript): Compute the data dependences on symbolic
4120 scevs that verify can_use_analyze_subscript_affine_affine.
4121 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4122 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4123 Handle symbolic scevs.
4124 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4126 (subscript_dependence_tester): Moved...
4127 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4128 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4129 DDR_SIZE_VECT instead of getting it in parameter.
4130 (subscript_dependence_tester): ... here. Take as a parameter
4131 loop_nest_depth. Call build_classic_dist_vector and
4132 build_classic_dir_vector.
4133 (compute_affine_dependence): Update subscript_dependence_tester
4134 parameters. Update datadep_stats counters. Call
4135 compute_subscript_distance.
4136 (compute_self_dependence): Save the dist and dir vectors. Call
4137 compute_subscript_distance.
4138 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4139 (compute_all_dependences): Reorder parameters as they were before
4140 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4141 compute_subscript_distance. Update the use of
4142 compute_affine_dependence and initialize_data_dependence_relation.
4143 (find_data_references_in_loop): Handle COMPONENT_REF.
4144 (compute_data_dependences_for_loop): Initialize dependence_stats.
4145 Don't call build_classic_dist_vector and build_classic_dir_vector.
4146 Update the parameters of initialize_data_dependence_relation and
4147 compute_all_dependences. Print the statistics from datadep_stats.
4148 (analyze_all_data_dependences): Static. Not used until the pass for
4149 checking the data dependences is contributed.
4150 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4151 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4152 (initialize_data_dependence_relation, compute_affine_dependence,
4153 analyze_all_data_dependences, compute_subscript_distance): Removed.
4154 (print_direction_vector): New.
4155 * lambda.h (gcd): ... here.
4156 (lambda_vector_gcd): Moved here from gcd_vector.
4157 * lambda-code.c (gcd, gcd_vector): Removed.
4158 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4159 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4161 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4163 * ipa-type-escape.c: Tidy some comments and white space.
4164 * tree-ssa-operands.c: Likewise.
4166 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4169 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4170 (dump_decl_name): Do not walk the decl tree chains.
4171 * tree-pass.h (TDF_CHAIN): Remove.
4173 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4175 * Makefile.in (C): Remove
4177 (.PHONY): Remove C and PROTO
4179 2006-02-20 Roger Sayle <roger@eyesopen.com>
4182 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4183 deprecated CHAR_TYPE tree code.
4185 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4187 * configure.ac (target_list): Add install-info, dvi, html.
4188 * configure: Regenerate.
4190 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4191 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4192 treelang/Make-lang.in: Do not use double-colon rules.
4194 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4196 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4197 (TMT_USED_ALONE): New macro.
4198 * tree-pass.h (PROP_tmt_usage): New property.
4199 (TODO_update_tmt_usage): New todo.
4200 * tree-ssa-alias.c (updating_used_alone): New variable.
4201 (recalculate_used_alone): New function.
4202 (compute_may_aliases): Set updating_used_alone, call
4203 recalculate_used_alone.
4204 * tree-sra.c (pass_sra): Note that this pass destroys
4205 PROP_tmt_usage, and add TODO_update_tmt_usage.
4206 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4207 * tree-flow.h (updating_used_alone): Prototype.
4208 (recalculate_used_alone): Ditto.
4209 * passes.c (execute_todo): Add code to set updating_used_alone,
4210 and call recalculate.
4211 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4212 for clobber if used alone, and add assert to verify used_alone
4215 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4217 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4218 for non tls symbols added.
4219 (legitimize_address): Do nothing for PLUS expressions if one of the
4220 addends is a tls symbol reference.
4222 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4226 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4228 * Makefile.in (BOOTSTRAPPING): New.
4229 (quickstrap): New definition if BOOTSTRAPPING=yes.
4231 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4232 * configure.ac: Substitute all_selected_languages with the languages
4233 that were configured. For all the other variables except
4234 lang_specs_files, include all the languages in the tree.
4235 * configure: Regenerate.
4237 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4238 if there is one. Run the commands to run fixincludes in the same
4241 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4242 * doc/install.texi: Document exact conventions for searching target tools.
4243 Document --with-build-time-tools. Document toplevel bootstrap. Document
4244 something more about building an Ada cross-compiler. Don't list GNU Make
4245 requirements which affect all platforms.
4247 2006-02-19 Roger Sayle <roger@eyesopen.com>
4250 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4251 only equivalent if the have both the same mode and precision.
4253 2006-02-20 Ben Elliston <bje@au.ibm.com>
4255 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4257 2006-02-19 Roger Sayle <roger@eyesopen.com>
4258 Steven Bosscher <stevenb.gcc@gmail.com>
4260 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4261 constant pool references to identify stack mode constants.
4262 * rtlanal.c (constant_pool_constant_p): New predicate to check
4263 whether operand is a floating point constant in the pool.
4264 * rtl.h (constant_pool_constant_p): Prototype here.
4265 * loop.c (scan_loop): Avoid hoisting constants from the constant
4266 pool on STACK_REGS targets.
4267 (load_mems): Likewise.
4268 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4269 loads into x87 registers expensive in terms of register pressure.
4271 2006-02-19 Roger Sayle <roger@eyesopen.com>
4273 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4274 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4276 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4278 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4279 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4281 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4283 * doc/invoke.texi: Document -fipa-pta.
4284 * common.opt: Add ipa-pta option.
4285 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4286 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4287 (do_ds_constraint): Ditto.
4288 (get_constraint_for): Only add to referenced_vars if
4289 referenced_vars exists.
4290 (insert_into_field_list): Rewrite to do this unsorted.
4291 (insert_into_field_list_sorted): Rename old insert_into_field_list
4293 (create_function_info_for): Use insert_into_field_list_sorted.
4294 (create_variable_info_for): Rewrite so it uses unsorted version,
4295 since the field list is sorted.
4296 (intra_create_variable_infos): Only add to referenced_vars if
4297 referenced_vars exists.
4298 (ipa_pta_execute): Init heapvars, and delete when done.
4299 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4301 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4303 * doc/install.texi: Add missing `@samp'.
4305 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4307 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4310 2006-02-18 Mark Wielaard <mark@klomp.org>
4312 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4313 who added new 4.1 features, bug fixes and integration support.
4315 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4318 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4321 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4323 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4324 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4325 (copy_insn_1): Likewise. Don't copy each field individually.
4327 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4329 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4330 * rtl.c (rtx_size): Rename variable to...
4331 (rtx_code_size): ...this.
4332 (rtx_size): New function.
4333 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4334 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4336 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4337 * rtl.h (rtx_code_size): New variable.
4338 (rtx_size): Change from a variable to a function.
4339 (RTX_SIZE): Rename to...
4340 (RTX_CODE_SIZE): ...this.
4343 PR tree-optimization/17106
4344 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4345 (Anchored Addresses): New section.
4346 * doc/invoke.texi (-fsection-anchors): Document.
4347 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4348 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4349 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4350 * hooks.c (hook_bool_mode_rtx_false): New function.
4351 * hooks.h (hook_bool_mode_rtx_false): Declare.
4352 * gengtype.c (create_optional_field): New function.
4353 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4354 SYMBOL_REF_IN_BLOCK_P is true.
4355 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4356 (min_anchor_offset, max_anchor_offset): Likewise.
4357 (use_anchors_for_symbol_p): New hook.
4358 * toplev.c (compile_file): Call output_object_blocks.
4359 (target_supports_section_anchors_p): New function.
4360 (process_options): Check that -fsection-anchors is only used on
4361 targets that support it and when -funit-at-a-time is in effect.
4362 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4363 if the decl doesn't have one.
4364 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4365 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4366 of force_const_mem through use_anchored_address.
4367 (expand_expr_constant): New function.
4368 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4369 calling expand_expr for INDIRECT_REF.
4370 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4371 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4372 * expr.h (use_anchored_address): Declare.
4373 * loop-unroll.c: Don't declare rtx vectors here.
4374 * explow.c: Include output.h.
4375 (validize_mem): Call use_anchored_address.
4376 (use_anchored_address): New function.
4377 * common.opt (-fsection-anchors): New switch.
4378 * varasm.c (object_block_htab, anchor_labelno): New variables.
4379 (hash_section, object_block_entry_eq, object_block_entry_hash)
4380 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4381 (use_blocks_for_decl_p, change_symbol_section): New functions.
4382 (get_variable_section): New function, split out from assemble_variable.
4383 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4384 use_blocks_for_decl_p say so. Use change_symbol_section if the
4385 symbol has already been created.
4386 (assemble_variable_contents): New function, split out from...
4387 (assemble_variable): ...here. Don't output any code for
4388 block symbols; just pass them to place_block_symbol.
4389 Use get_variable_section and assemble_variable_contents.
4390 (get_constant_alignment, get_constant_section, get_constant_size): New
4391 functions, split from output_constant_def_contents.
4392 (build_constant_desc): Create a block symbol if use_object_blocks_p
4393 says so. Or into SYMBOL_REF_FLAGS.
4394 (assemble_constant_contents): New function, split from...
4395 (output_constant_def_contents): ...here. Don't output any code
4396 for block symbols; just pass them to place_section_symbol.
4397 Use get_constant_section and get_constant_alignment.
4398 (force_const_mem): Create a block symbol if use_object_blocks_p and
4399 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4400 (output_constant_pool_1): Add an explicit alignment argument.
4401 Don't switch sections here.
4402 (output_constant_pool): Adjust call to output_constant_pool_1.
4403 Switch sections here instead. Don't output anything for block symbols;
4404 just pass them to place_block_symbol.
4405 (init_varasm_once): Initialize object_block_htab.
4406 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4407 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4408 (place_block_symbol, get_section_anchor, output_object_block)
4409 (output_object_block_htab, output_object_blocks): New functions.
4410 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4411 (TARGET_ASM_OUT): Include it.
4412 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4413 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4414 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4415 (TARGET_INITIALIZER): Include them.
4416 * rtl.c (rtl_check_failed_block_symbol): New function.
4417 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4418 (block_symbol, object_block): New structures.
4419 (rtx_def): Add a block_symbol field to the union.
4420 (BLOCK_SYMBOL_CHECK): New macro.
4421 (rtl_check_failed_block_symbol): Declare.
4422 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4423 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4424 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4425 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4426 * output.h (output_section_symbols): Declare.
4427 (object_block): Name structure.
4428 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4429 (default_use_anchors_for_symbol_p): Declare.
4430 * Makefile.in (RTL_BASE_H): Add vec.h.
4431 (explow.o): Depend on output.h.
4432 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4433 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4434 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4435 (rs6000_use_blocks_for_constant_p): New function.
4437 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4439 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4441 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4444 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4447 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4449 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4453 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4456 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4457 instead of DECL_REGISTER.
4459 2006-02-18 Olivier Hainque <hainque@adacore.com>
4462 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4464 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4467 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4468 * opth-gen.awk: Handle Var and InverseMask together.
4469 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4470 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4471 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4472 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4474 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4475 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4476 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4477 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4478 LINUX_DYNAMIC_LINKER): Define.
4479 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4480 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4482 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4483 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4484 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4485 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4486 (TARGET_C99_FUNCTIONS): Don't define.
4487 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4488 GLIBC_DYNAMIC_LINKER.
4489 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4490 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4491 GLIBC_DYNAMIC_LINKER64): Define.
4492 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4493 LINUX_DYNAMIC_LINKER64.
4494 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4495 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4496 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4497 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4498 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4499 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4500 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4501 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4502 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4503 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4504 and LINUX_DYNAMIC_LINKER32.
4505 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4506 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4507 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4508 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4509 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4511 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4512 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4513 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4514 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4515 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4516 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4517 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4518 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4519 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4520 LINUX_DYNAMIC_LINKER): Define.
4521 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4522 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4523 GLIBC_DYNAMIC_LINKER64): Define.
4524 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4525 LINUX_DYNAMIC_LINKER64.
4526 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4527 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4528 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4529 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4530 LINUX_DYNAMIC_LINKER): Define.
4531 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4532 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4533 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4534 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4535 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4536 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4537 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4538 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4539 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4540 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4541 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4542 * doc/invoke.texi (-muclibc): Remove caveat about supported
4545 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4547 * doc/cpp.texi (__TIMESTAMP__): Document.
4549 2006-02-17 Roger Sayle <roger@eyesopen.com>
4552 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4553 C is one less than the width of X (and related transformations).
4554 * simplify-rtx.c (simplify_unary_operation_1): Transform
4555 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4556 depending on STORE_FLAG_VALUE, were C is one less then the
4559 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4561 Fix PR tree-optimization/26341
4562 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4563 about NAME_MEMORY_TAG's.
4565 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4568 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4569 with hardware float support, and software float support. Add fcpy
4570 alternative to hardware patterns. Add alternatives to copy between
4571 general and floating-point registers to the 32-bit pattern.
4572 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4573 secondary reload to load a QI or HI mode constant into a floating
4575 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4576 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4578 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4581 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4583 (load_macho_picbase_di): Likewise.
4585 2006-02-16 Jeff Law <law@redhat.com>
4587 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4588 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4589 (ssa_name_nonzero_p): Likewise.
4590 (get_value_range): Return NULL if VRP is not running.
4591 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4592 VRP routines do not discover a range.
4593 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4594 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4595 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4596 (tree_expr_nonnegative_p): Similarly.
4597 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4598 (restore_nonzero_vars_to_original_value): Remove.
4599 (unsafe_associative_fp_binop): Remove.
4600 (tree_ssa_dominator_optimize): Remove initialization and
4601 finalization of nonzero_vars and nonzero_vars_stack.
4602 (dom_opt_initialize_block): No longer push marker on
4604 (dom_opt_finalize_block): No longer call
4605 restore_nonzero_vars_to_original_value.
4606 (record_equivalences_from_phis): No longer look for
4607 nonzero PHI arguments.
4608 (cprop_into_successor_phis): No longer propagate nonzero
4609 property into PHI arguments. Lose unused argument. Caller
4611 (record_equivalences_from_stmt): No longer record nonzero
4612 values for SSA_NAMEs.
4613 (lookup_avail_expr): No longer use nonzero_vars.
4615 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4616 for sizetype when sizetype is unsigned.
4618 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4620 PR rtl-optimization/25603
4621 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4622 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4623 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4624 with new meaning of SETS.
4626 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4631 * config/linux.opt: New file.
4632 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4633 LINUX_DYNAMIC_LINKER): Define.
4634 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4635 * config.gcc (*-*-linux*): Define extra_options.
4636 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4637 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4638 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4639 GLIBC_DYNAMIC_LINKER.
4640 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4641 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4642 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4643 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4644 * doc/invoke.texi (GNU/Linux Options): New section.
4646 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4648 * config/sparc/sparc.md (setjmp): Rewrite.
4649 (setjmp_32): Delete.
4650 (setjmp_64): Likewise.
4652 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4654 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4657 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4659 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4662 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4664 PR rtl-optimization/26296
4665 * Makefile.in (loop-invariant.c): Add except.h dependency.
4666 * loop-invariant.c: Include except.h.
4667 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4669 2005-02-16 Paul Brook <paul@codesourcery.com>
4671 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4674 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4676 PR rtl-optimization/25636
4677 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4678 when deciding whether an insn is an initializing insn.
4680 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4682 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4683 (tree_code_size): Ditto.
4684 * tree.h (struct tree_memory_tag): Remove parent_var.
4685 (struct tree_struct_field_tag): New.
4688 (union tree_node): Add sft member.
4689 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4691 (create_sft): Add size and offset argument, set SFT_OFFSET and
4693 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4694 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4695 * tree-flow-inline.h (get_subvar_at): Update for
4696 SFT_OFFSET/SFT_SIZE.
4697 (var_can_have_subvars): Ditto.
4698 (overlap_subvar): Ditto.
4699 * print-tree.c (print_node): Print out interesting things for
4701 * tree-flow.h (struct subvar): Remove offset and size members.
4702 * tree-ssa-operands.c (get_expr_operands): Update for
4703 get_indirect_ref_operands changes.
4704 (get_indirect_ref_operands): Call add_virtual_operand instead of
4705 add_stmt_operand. Only recurse on base var if requested.
4706 (access_can_touch_variable): New function.
4707 (add_stmt_operand): Split virtual operand handling into ...
4708 (add_virtual_operand): Here. Add offset, size, and for_clobber
4709 arguments. Prune alias sets.
4710 (add_call_clobber_ops): Call add_virtual_operand.
4712 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4715 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4717 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4718 than TREE_CODE as index into omp_clause_num_ops array.
4720 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4722 PR rtl-optimization/26184
4723 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4725 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4726 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4727 must_precede, must_follow and tobe_scheduled.
4730 * opts.c (common_handle_option): Free new_option pointer.
4731 * df-core.c (df_analyze): Free postorder pointer.
4733 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4735 * Makefile.in: Fix the examples about the use of stamps
4737 2006-02-15 Michael Matz <matz@suse.de>
4741 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4742 influenced by maximum_field_alignment or DECL_PACKED.
4743 (update_alignment_for_field): Ditto.
4744 (place_field): Ditto.
4745 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4748 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4750 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4751 (debug_flow_info): Pass it.
4752 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4753 * bb-reorder.c (reorder_basic_blocks): Likewise.
4754 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4755 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4756 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4757 * gcse.c (gcse_main, bypass_jumps): Likewise.
4758 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4759 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4760 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4761 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4762 * rtl.h (dump_flow_info): Adjust prototype.
4763 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4764 * var-tracking.c (variable_tracking_main): Likewise.
4765 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4766 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4769 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4771 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4774 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4776 PR tree-optimization/26209
4777 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4778 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4780 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4782 2006-02-14 Roger Sayle <roger@eyesopen.com>
4785 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4786 (X,Y) and the corresponding symmetry related transformations.
4787 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4788 (X,Y) and its symmetry related transformations.
4790 2006-02-14 Roger Sayle <roger@eyesopen.com>
4792 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4795 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4797 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4799 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4802 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4803 support COMDAT group.
4804 * configure: Regenerate.
4806 2006-02-14 Roger Sayle <roger@eyesopen.com>
4811 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4813 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4815 Fix PR tree-optimization/26260
4817 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4819 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4820 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4821 * tree-ssa-structalias.c (create_variable_info_for): Use
4822 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4824 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4826 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4828 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4829 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4830 of the ending condition.
4831 * tree-ssa-loop-manip.c: Include params.h.
4832 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4833 tree_unroll_loop): New functions.
4834 * tree-pass.h (pass_loop_prefetch): Declare.
4835 * loop.c (rest_of_handle_loop_optimize): Test for
4836 -fprefetch-loop-arrays-rtl.
4837 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4838 * timevar.def (TV_TREE_PREFETCH): New timevar.
4839 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4840 pass_loop_prefetch): New.
4841 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4842 (cleanup_tree_cfg_loop): Call scev_reset.
4843 * common.opt (fprefetch-loop-arrays-rtl): Add.
4844 * tree-ssa-loop-prefetch.c: New file.
4845 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4846 (new_temp_expr_table): Initialize expr_vars.
4847 (free_temp_expr_table): Cleanup expr_vars.
4848 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4849 expressions from being merged into one.
4850 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4851 (struct tree_niter_desc): Add control, bound and cmp fields.
4852 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4854 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4855 (tree-cfgcleanup.o): Add SCEV_H dependency.
4856 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4857 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4859 2006-02-14 Richard Guenther <rguenther@suse.de>
4861 PR tree-optimization/26258
4862 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4863 in PHI argument processing.
4865 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4867 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4868 new expression in the requested machine mode.
4870 2006-02-13 Roger Sayle <roger@eyesopen.com>
4872 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4873 directly, instead let do_compare_rtx_and_jump handle this for us.
4874 * expr.c (expand_expr_real_1): Likewise.
4875 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4876 before do_jump_by_parts_greater.
4877 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4878 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4880 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4882 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4884 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4886 PR rtl-optimization/26235
4887 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4888 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4891 2006-02-13 Jeff Law <law@redhat.com>
4893 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4896 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4899 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4900 twice if decl is a builtin. When trying again, call get_callee_fndecl
4901 first to verify it is still a builtin.
4903 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4905 * dwarf2out.c (base_type_die): Don't add AT_name here.
4906 (subrange_type_die): Don't add AT_name here.
4907 (modified_type_die): Rearrange code flow. Do add AT_name here.
4909 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4911 PR rtl-optimization/26247
4912 PR rtl-optimization/26248
4913 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4915 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4917 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4918 * config/fixtfdi.c: Likewise.
4919 * config/fixunstfdi.c: Likewise.
4920 * config/floatditf.c: Likewise.
4922 2006-02-13 Roger Sayle <roger@eyesopen.com>
4925 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4926 into (X,C2) if C1 is a subset of the bits of C2. Transform
4927 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4929 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4931 2006-02-13 Josh Conner <jconner@apple.com>
4934 * varasm.c (function_section): Check for section name before
4935 calling select_section on targets that define
4936 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4937 unlikely_text_section instead of hot_function_section if
4938 first_function_block_is_cold.
4940 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4943 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4945 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4947 PR rtl-optimization/26222
4948 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4949 after tree->rtl expansion.
4950 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4951 before passing it to emit_move_insn.
4953 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4955 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4957 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4958 Clarify documentation.
4959 * c-common.h (warn_write_strings): Remove.
4960 * c-common.c (warn_write_strings): Likewise.
4961 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4964 2006-02-12 Roger Sayle <roger@eyesopen.com>
4967 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4968 (do_jump_parts_zero_rtx): New function renamed from
4969 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4970 (do_jump_parts_equality_rtx): New function split out from
4971 do_jump_parts_equality. Old implementation renamed as above.
4972 Call do_jump_parts_zero_rtx if either operand is zero.
4973 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4974 do all of the heavy lifting.
4975 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4976 calling either do_jump_by_parts_greater_rtx or
4977 do_jump_by_parts_equality_rtx.
4978 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4979 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4980 moved to do_compare_rtx_and_jump, call it directly.
4981 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4982 mode argument. Call do_compare_rtx_and_jump.
4983 (emit_case_nodes): Update calls to do_jump_if_equal.
4985 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4987 PR rtl-optimization/26225
4988 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4990 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4992 PR rtl-optimization/26232
4993 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4995 2006-02-11 Jason Merrill <jason@redhat.com>
4998 * tree-inline.c (declare_return_variable): Just don't use the
4999 modify target if it's a gimple complex reg and the return slot
5002 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5004 * doc/contrib.texi: Update my entry.
5006 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5008 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5010 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5012 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5015 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5017 * doc/invoke.texi (-floop-optimize2): Removed.
5018 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5019 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5020 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5021 * common.opt (floop-optimize2): Removed.
5022 (fmove-loop-invariants): Enabled by default.
5024 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5026 * tree-if-conv.c (combine_blocks): Free the result of
5027 get_loop_exit_edges.
5029 2006-02-10 Jeff Law <law@redhat.com>
5031 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5033 PR tree-optimization/26213
5034 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5035 loop trying to follow SSA_NAME_VALUE chains.
5037 2006-02-10 Richard Guenther <rguenther@suse.de>
5039 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5040 deal with structures that end in implicitly variable sized arrays.
5042 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5044 PR rtl-optimization/24762
5045 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5048 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5050 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5051 (struct ivopts_data): Add regs_used field.
5052 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5053 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5054 instead of loop_data->regs_used;
5055 (free_loop_data): Do not free aux fields for loops.
5056 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5057 and tree_ssa_iv_optimize_finalize.
5059 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5061 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5063 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5066 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5067 computing the effective result type.
5069 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5072 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5073 (tree_overlaps_hard_reg_set): Declare.
5074 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5075 type and signature to match function type expected by walk_tree.
5076 (tree_overlaps_hard_reg_set): New function.
5077 (decl_conflicts_with_clobbers_p): Rename to:
5078 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5079 Use tree_overlaps_hard_reg_set. Changed caller.
5080 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5081 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5082 * cris.c (cris_md_asm_clobbers): Likewise.
5084 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5086 * reload1.c (emit_input_reload_insns): Delete code that tries to
5087 inherit using find_equiv_reg.
5089 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5091 * c-common.h (flag_const_strings): Don't declare.
5092 * c-common.c (flag_const_strings): Remove.
5093 * c.opt (fconst_strings): Remove.
5094 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5095 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5096 (c_common_init_options): Don't set flag_const_strings.
5097 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5099 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5101 * arm.md (tlobits_cbranch): New pattern.
5102 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5103 testing a single bit.
5105 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5108 * tree-ssa-pre.c (create_component_ref_by_pieces):
5109 Handle RETURN_DECL like VAR_DECL.
5111 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5114 * fold-const.c (fold_indirect_ref_1): Fold
5115 "*(foo *)&complexfoo" to "__real__ complexfoo"
5116 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5118 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5120 * tree-flow-inline.h (var_can_have_subvars):
5121 Volatile variables should not have subvariables.
5123 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5126 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5127 multiplying unsigned values.
5130 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5132 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5134 2006-02-08 Jason Merrill <jason@redhat.com>
5137 * tree.def: Elaborate on difference from MODIFY_EXPR.
5138 * doc/c-tree.texi (INIT_EXPR): Likewise.
5139 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5140 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5141 (gimplify_target_expr): Likewise.
5142 (gimplify_cond_expr): Remove target handling.
5143 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5144 (gimplify_expr): Clobber it here.
5145 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5146 Do return slot optimization if we have an INIT_EXPR.
5149 * tree-inline.c (declare_return_variable): Also clear
5150 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5153 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5156 * gimplify.c (gimplify_one_sizepos): Fix typo.
5158 2006-02-08 Jeff Law <law@redhat.com>
5160 PR tree-optimization/21417
5161 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5162 across a backedge if the control statement at the end of the
5163 block is data dependent on other statements in the same block.
5164 (record_temporary_equivalences_from_stmts): Remove over-conservative
5165 test for threading across backedges.
5167 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5168 control statement, handle all three special cases in the same
5169 manner as they all have the same desired solution. No longer
5170 special case edge flag updating when the post dominator is
5173 2006-02-08 Roger Sayle <roger@eyesopen.com>
5175 * tree.def (CHAR_TYPE): Remove.
5176 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5177 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5178 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5179 (gen_string_type_die): Delete unreachable function.
5181 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5182 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5183 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5184 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5185 * builtins.c (type_to_class): Likewise.
5186 * fold-const.c (fold_convert, build_range_check,
5187 merge_ranges): Likewise.
5188 * expr.c (count_type_elements): Likewise.
5189 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5190 * stor-layout.c (layout_type): Likewise.
5191 * ipa-type-escape.c (type_to_consider): Likewise.
5192 * gimplify.c (omp_firstprivatize_type_sizes,
5193 gimplify_type_sizes): Likewise.
5194 * explow.c (promote_mode): Likewise.
5195 * tree-sra.c (is_sra_scalar_type): Likewise.
5196 * varasm.c (output_constant): Likewise.
5197 * tree-inline.c (remap_type_1): Likewise.
5198 * convert.c (convert_to_pointer, convert_to_real,
5199 convert_to_integer, convert_to_complex): Likewise.
5201 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5203 * df-scan.c (df_def_record_1): A set destination may
5204 be a parallel regardless of mode.
5206 2006-02-08 Roger Sayle <roger@eyesopen.com>
5209 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5210 * config/mips/_tilib.c: Remove.
5211 * config/fixtfdi.c: New libgcc source file.
5212 * config/fixunstfdi.c: New source file.
5213 * config/floatditf.c: New source file.
5214 * config/floatunditf.c: New souce file.
5215 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5216 files above instead of config/mips/_tilib.c.
5217 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5219 2006-02-08 Jeff Law <law@redhat.com>
5221 PR tree-optimization/26169
5222 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5225 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5227 * df.h (DF_REG_SIZE): Return the length of the initialized
5230 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5232 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5233 __muldf3): Return a correctly signed zero.
5235 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5237 * passes.c (register_one_dump_file): Accept the current properties
5238 instead of pass number. Adjust call to dump_register. Remove
5240 (register_dump_files): Now a wrapper around...
5241 (register_dump_files_1): ... this one. Do not modify the pass
5243 (next_pass_1): Cosmetic fix.
5244 (execute_todo): Keep second parameter only. Use curr_properties
5245 instead of fetching it from the pass structure. Check and set
5247 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5248 instead of fetching it from the pass structure. Fix calls to
5249 execute_todo. Update curr_properties and initialize .vcg RTL dump
5250 after running the pass. Reset last_verified.
5251 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5253 (FIRST_AUTO_NUMBERED_DUMP): New.
5254 (dump_register): Remove "num" parameter, assign it within the
5256 (get_dump_file_name): Modify template for dumps.
5257 * tree-dump.h (dump_register): Adjust prototype.
5258 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5259 (PROP_trees): Add PROP_gimple_lomp.
5260 (TODO_set_props): New.
5261 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5262 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5263 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5265 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5267 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5268 (sparc64-*-linux*): Likewise.
5269 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5270 * config/sparc/t-linux: New file.
5271 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5272 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5273 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5274 -m32 -mlong-double-128.
5276 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5277 * config/alpha/t-linux: New file.
5278 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5280 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5281 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5282 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5283 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5284 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5285 (CPP_ARCH32_SPEC): Remove.
5287 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5289 PR tree-optimization/26145
5290 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5293 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5296 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5297 >= 240000 when generating code for SOM runtime.
5298 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5299 to $$dyncall when generating code for SOM runtime..
5301 2006-02-07 Dirk Mueller <dmueller@suse.com>
5304 * doc/invoke.texi (-Wsequence-point): Update documentation
5305 that -Wsequence-point is implemented for C++ as well.
5307 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5309 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5310 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5311 (LIB_SPEC): Likewise.
5312 * doc/invoke.texi (SPARC options): Document -pthread.
5314 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5316 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5319 2006-02-07 Roger Sayle <roger@eyesopen.com>
5321 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5322 Correct comment describing BOOLEAN_TYPE.
5324 2006-02-07 Dirk Mueller <dmueller@suse.com>
5326 * c.opt: C++ frontend supports -Wdiv-by-zero.
5327 * c-opts.c (c_common_handle_option): Remove dead case.
5329 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5331 * configure.ac (TLS assembler check): Do not enable TLS by
5332 default on SPARC/Solaris before version 10.
5333 * configure: Regenerate.
5335 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5337 * doc/invoke.texi (xl-compat): Document conversion and support
5340 2006-02-07 Jeff Law <law@redhat.com>
5342 * tree-vrp.c (find_conditional_asserts): Update comments.
5343 (simplify_stmt_for_jump_threading): New.
5344 (identify_jump_threads, finalize_jump_threads): New.
5345 (vrp_finalize): Call identify_jump_threads.
5346 (execute_vrp): Call finalize_jump_threads.
5347 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5348 (vrp_element, vrp_data, vrp_element_p): Remove.
5349 (vrp_hash_elt, vrp_variables_stack): Remove.
5350 (vrp_hash, vrp_eq, record_range): Remove.
5351 (simplify_cond_and_lookup_avail_expr): Remove.
5352 (extract_range_from_cond): Remove.
5353 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5354 (simplify_stmt_for_jump_threading): New.
5355 (dom_thread_across_edge): New wrapper.
5356 (tree_ssa_dominator_optimize): No longer initialize or
5357 finalize any of the VRP datastructures. Remove iteration
5358 step and simplify as a result of removal of iteration step.
5359 (pass_dominator): Perform a cfg cleanup after DOM.
5360 (dom_opt_finalize_block): Use the new common routines
5361 for threading jumps. Simplify stack management slightly.
5362 No longer need to unwind VRP state.
5363 (record_equivalences_from_incoming_edge): No longer record
5365 (eliminate_redundant_computations): No longer call
5366 simplify_cond_and_lookup_avail_expr.
5367 * tree-flow.h (potentially_threadable_block): Prototype.
5368 (thread_across_edge): Likewise.
5369 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5370 (tree-ssa-threadedge.o): Add dependencies.
5371 * tree-ssa-threadedge.c: New file.
5372 * passes.c (init_optimization_passes): Merge PHIs before
5373 calling VRP. Run VRP again late in the SSA optimization pipeline.
5375 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5377 * df-core.c (df_set_blocks): Do not dereference function pointers.
5378 (df_finish1): Likewise.
5379 (df_hybrid_search_forward): Likewise.
5380 (df_hybrid_search_backward): Likewise.
5381 (df_iterative_dataflow): Likewise.
5382 (df_analyze_problem): Likewise.
5383 (df_compact_blocks): Likewise.
5384 (df_dump): Likewise.
5385 * df-scan.c (df_rescan_blocks): Likewise.
5386 (df_record_entry_block_defs): Likewise.
5388 * genconditions.c (write_conditions): Guard the definition of
5389 'insn_conditions' with the check on GCC version.
5390 (write_writer): Guard the traversal 'insn_conditions' with
5391 the check on GCC version.
5393 2006-02-07 Richard Guenther <rguenther@suse.de>
5397 2006-01-30 Richard Guenther <rguenther@suse.de>
5399 * gimplify.c (gimplify_target_expr): Handle easy cases
5400 without creating a temporary.
5402 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5404 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5405 use of float in probability computations. Use edge probabilities
5406 in place of statically computed probabilities.
5407 (min_spec_prob): New static variable.
5408 (schedule_insns): Initialize it.
5409 (GET_SRC_PROB): Removed.
5410 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5412 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5415 * config/ia64/unwind-ia64.c: Revert last change.
5416 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5417 (INCOMING_FRAME_SP_OFFSET): Define.
5419 2006-02-06 Roger Sayle <roger@eyesopen.com>
5421 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5423 2006-02-07 Ben Elliston <bje@au.ibm.com>
5425 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5426 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5427 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5428 (ix86_return_in_memory): Handle TDmode.
5429 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5430 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5432 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5434 * reorg.c (dbr_schedule): Use dump_file instead of file.
5436 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5439 * config/ia64/predicates.md (extr_len_operand): New predicate.
5440 * config/ia64/ia64.md (extv): Tighten constraints.
5442 (*tbit_and_2): Ditto.
5443 (*tbit_and_3): Ditto.
5444 (*tbit_or_2): Ditto.
5445 (*tbit_or_3): Ditto.
5449 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5452 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5454 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5456 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5457 loop_optimizer_init and loop_optimizer_finalize
5458 * tree-ssa-sink.c (execute_sink_code): Ditto.
5459 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5460 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5461 tree_ssa_loop_done): Ditto.
5462 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5463 * sched-ebb.c: Include output.h.
5464 (schedule_ebbs): Do not use dump argument.
5465 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5466 * loop.c (loop_dump_stream): Removed.
5467 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5469 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5470 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5471 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5472 loop_iterations, strength_reduce, record_biv, record_giv,
5473 final_giv_value, check_final_value, check_ext_dependent_givs,
5474 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5475 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5476 dump_file instead of loop_dump_stream.
5477 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5479 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5481 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5482 * haifa-sched.c: Include output.h
5483 (schedule_insns, sched_init): Do not use dump argument.
5484 * mode-switching.c (optimize_mode_switching): Ditto.
5485 * modulo-sched.c (stats_file): Removed.
5486 (print_node_sched_params): Do not call argument dump_file.
5487 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5488 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5490 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5492 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5493 rtl_loop_init, rtl_loop_done): Ditto.
5494 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5495 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5497 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5498 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5499 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5500 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5501 * emit-rtl.c (renumber_insns): Ditto.
5502 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5503 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5504 * regclass.c (regclass): Ditto.
5505 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5506 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5507 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5508 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5510 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5511 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5513 * gcse.c (gcse_file, debug_stderr): Removed.
5514 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5515 rest_of_handle_gcse): Do not use dump argument.
5516 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5517 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5518 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5519 compute_code_hoist_vbeinout, compute_code_hoist_data,
5520 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5521 compute_store_table, build_store_vectors, insert_insn_start_bb,
5522 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5523 store_motion): Use dump_file instead of gcse_file.
5524 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5525 * profile.c (profile_dump_file): Removed.
5526 (branch_prob): Use dump_file instead of profile_dump_file.
5527 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5529 * tree-ssa-copy.c (dump_copy_of): Ditto.
5530 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5531 dump file to life_analysis.
5532 * bt-load.c (branch_target_load_optimize): Ditto.
5533 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5535 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5536 regclass, dbr_schedule): Declaration changed.
5537 * sched-int.h (sched_init): Declaration changed.
5538 * tree-profile.c (tree_profile_dump_file): Removed.
5539 (tree_profile_hooks): Removed profile_dump_file hook.
5540 * rtl-profile (rtl_profile_dump_file): Removed.
5541 (rtl_profile_hooks): emoved profile_dump_file hook.
5542 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5544 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5545 * tree-cfg.c (build_tree_cfg): Ditto.
5546 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5547 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5548 Declaration changed.
5549 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5550 life_analysis and schedule_insns.
5551 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5553 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5555 * config/mips/mips.c (mips_reorg): Ditto.
5556 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5559 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5561 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5562 (s390_mangle_fundamental_type): New.
5563 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5566 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5567 (alpha_mangle_fundamental_type): New.
5568 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5571 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5573 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5575 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5576 (sparc_mangle_fundamental_type): New.
5578 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5580 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5581 (s390x-*-linux*): Likewise.
5582 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5583 * config/s390/t-linux: New file.
5585 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5587 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5588 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5590 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5592 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5593 (ANTIC_SAFE_LOADS): New macro.
5594 (find_or_generate_expression): Add prototype.
5595 (set_contains_value): Allow null set for sake of not always having
5596 to allocate ANTIC_SAFE_LOADS.
5597 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5598 Allow COMPONENT_REF too.
5599 (valid_in_set): Allow COMPONENT_REF.
5600 Check ANTIC_SAFE_LOADS too.
5601 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5602 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5604 (can_PRE_operation): Add COMPONENT_REF.
5605 (create_component_ref_by_pieces): New function.
5606 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5607 (insert_aux): Move AGGREGATE_TYPE_P check here.
5608 (compute_avail): Set bb local stmt uids.
5609 (pass_pre): Use TODO_update_ssa_only_virtuals.
5611 2006-02-06 Ben Elliston <bje@au.ibm.com>
5613 * configure.ac: Unconditionally disable decimal float by default.
5614 * configure: Regenerate.
5616 2006-02-06 Ben Elliston <bje@au.ibm.com>
5618 * read-rtl.c (read_name): Terminate reading on EOF.
5620 2006-02-06 Ben Elliston <bje@au.ibm.com>
5622 * dfp.c (decimal_real_arithmetic): Change second argument type
5623 from int to enum tree_code. Do not always return true, but now
5624 return result of any call to decimal_do helper functions.
5625 * dfp.h (decimal_real_arithmetic): Update prototype.
5627 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5629 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5631 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5634 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5637 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5639 * tree-vrp.c (cfg_loops): Removed.
5640 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5641 Use current_loops instead of cfg_loops. Pass flags to
5642 loop_optimizer_init.
5643 * cfgloopmanip.c (fix_loop_structure): Update only available
5645 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5646 loop_optimizer_init.
5647 * modulo-sched.c (build_loops_structure): Removed.
5648 (sms_schedule): Use loop_optimizer_init.
5649 * loop-init.c (loop_optimizer_init): Use flags to determine
5650 which properties of loops to prepare.
5651 (rtl_loop_init): Pass flags to loop_optimizer_init.
5652 * tree-ssa-sink.c (execute_sink_code): Ditto.
5653 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5654 * tree-ssa-pre.c (init_pre): Ditto.
5655 * cfgloop.h (LOOPS_NORMAL): New.
5656 (loop_optimizer_init): Declaration changed.
5658 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5660 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5661 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5663 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5665 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5667 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5668 * pa/t-pa64: Delete quadlib.c rule.
5669 * pa/x-ada: Revert last change.
5670 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5672 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5674 PR rtl-optimization/26087
5675 * rtlanal.c (canonicalize_condition): Do not cross basic block
5678 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5681 * config/ia64/ia64.c: Include debug.h.
5682 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5683 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5684 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5685 (process_epilogue, process_set, process_for_unwind_directive):
5686 Output unwind info only if requested. Add CFA info if requested.
5687 Add new arguments as needed. Adjust callers.
5688 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5690 (DWARF2_FRAME_INFO): Define to zero.
5691 * config/ia64/unwind-ia64.c: Remove code that compensated for
5692 the CFA offset error fixed above.
5693 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5694 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5695 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5696 -funwind-tables and -fexceptions to enable frame info.
5697 (dwarf2out_frame_init): Define initial CFA even if
5698 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5699 DWARF2_UNWIND_INFO is nonzero, not just defined.
5700 (dwarf2out_frame_finish): Output non-EH call frame info only
5701 if DWARF2_FRAME_INFO is nonzero.
5702 (convert_cfa_to_loc_list,
5703 compute_frame_pointer_to_cfa_displacement): Define even if
5704 unwind info is not supported.
5705 (gen_subprogram_die): Use the above unconditionally. Remove
5706 legacy alternate code.
5707 * toplev.c (compile_file): Compile in call to
5708 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5709 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5711 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5712 Jakub Jelinek <jakub@redhat.com>
5714 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5715 IBM extended float format long double as "g" on powerpc*-linux.
5717 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5720 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5721 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5723 2006-02-03 Jason Merrill <jason@redhat.com>
5726 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5729 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5730 on the return slot if it's an NRV.
5732 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5734 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5735 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5736 rewrite_use): Do not handle USE_OUTER.
5737 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5738 add_iv_outer_candidates, may_replace_final_value,
5739 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5740 (find_interesting_uses_op): Functionality of
5741 find_interesting_uses_outer_or_nonlin moved here.
5742 (find_interesting_uses_outside): Use find_interesting_uses_op.
5744 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5747 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5749 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5750 Ulrich Weigand <uweigand@de.ibm.com>
5753 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5754 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5755 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5756 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5758 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5759 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5760 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5761 Define secondary reloads for TFmode moves.
5762 (constant_modes): Add TFmode.
5763 (NR_C_MODES): Set to 8.
5764 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5766 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5767 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5768 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5769 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5770 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5771 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5772 (FPR mode macro): Add TFmode.
5773 (DSF mode macro): New.
5774 (<de>, <dee> mode attributes): Removed.
5775 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5776 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5777 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5778 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5779 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5780 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5781 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5782 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5783 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5784 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5785 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5786 "*negabs<mode>2", "sqrt<mode>2"):
5787 Changed <de> to <xde>. R constraint replaced by <Rf>.
5788 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5790 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5791 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5792 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5794 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5795 "extenddftf2", "extendsftf2"): New expanders.
5796 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5797 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5798 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5799 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5801 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5802 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5803 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5804 __floatditf): Add a GCC_4.1.0 symbol version tag.
5805 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5808 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5811 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5812 Use targetm.binds_local_p instead of TREE_PUBLIC.
5814 2006-02-02 Roger Sayle <roger@eyesopen.com>
5816 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5817 on INTEGER_TYPEs to indicate that it denotes a character type.
5818 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5819 signed_char_type_node, unsigned_char_type_node and char_type_node.
5820 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5821 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5822 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5824 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5825 Daniel Berlin <dberlin@dberlin.org>
5827 * tree-tailcall.c (arg_needs_copy_p): New function.
5828 (eliminate_tail_call): Use arg_needs_copy_p.
5829 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5830 (add_virtual_phis): New function.
5832 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5834 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5835 #ignore instead of #scratch for %g7 .register directive.
5837 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5839 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5842 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5844 * flow.c (calculate_global_regs_live): Assert that there aren't any
5847 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5849 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5851 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5852 bsi_after_labels iterator.
5853 * tree-if-conv.c (find_phi_replacement_condition,
5854 replace_phi_with_cond_modify_expr): Likewise.
5855 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5856 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5858 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5860 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5862 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5865 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5866 array after growing it.
5868 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5871 * fold-const.c (fold_checksum_tree): Change type of buf.
5873 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5875 * reload.c (push_secondary_reload): Initialize t_icode.
5877 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5879 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5880 -msoft-float -mlong-double-128 only issue a warning, but don't
5881 swich to DFmode long double.
5883 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5885 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5886 has a constant equivalent, iterate over equivalents for arg0,
5887 calling simplify_relational_operation and if there's a result
5888 cheaper than X, apply fold_rtx and return the result.
5890 2006-02-01 Jan Hubicka <jh@suse.cz>
5892 * opts.c (no_unit_at_a_time_default): New global variable.
5893 (decode_options): Use it.
5894 * opts.h (no_unit_at_a_time_default): Declare.
5896 2006-02-01 Paul Brook <paul@codesourcery.com>
5898 * function.c (assign_parm_setup_reg): Use function argument promotion
5900 * expr.c (expand_expr_real_1): Use function argument promotion rules
5903 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5905 * gcc.c (process_command): Change j to 'unsigned int'.
5907 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5910 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5911 Use the corrected index for the character
5912 out of the string constant.
5914 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5916 * mode-switching.c (optimize_mode_switching): Fix size
5917 allocated for bb_info[n_entities].
5919 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5921 * gcc.c (main): Correct type that is allocated for
5922 explicit_link_files.
5924 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5926 * config/s390/s390.c (init_alignment_context): Set
5927 ALIAS_SET_MEMORY_BARRIER on the MEM.
5928 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5930 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5933 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5935 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5938 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5940 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5941 * regrename.c: Ditto.
5942 * tree-ssa-loop-im.c: Ditto.
5943 * tree-dump.c: Ditto.
5944 * tree-complex.c: Ditto.
5945 * genrecog.c: Ditto.
5946 * tree-ssa-threadupdate.c: Ditto.
5948 * java/class.c: Ditto.
5949 * java/jcf-parse.c: Ditto.
5950 * java/resource.c: Ditto.
5951 * java/except.c: Ditto.
5952 * java/jvspec.c: Ditto.
5953 * java/jcf-write.c: Ditto.
5954 * java/jcf-path.c: Ditto.
5955 * java/gjavah.c: Ditto.
5956 * java/zextract.c: Ditto.
5957 * java/jcf-io.c: Ditto.
5958 * java/jcf.h: Ditto.
5959 * java/buffer.c: Ditto.
5960 * java/lang.c: Ditto.
5961 * java/parse-scan.y: Ditto.
5962 * java/lex.c: Ditto.
5963 * java/lex.h: Ditto.
5964 * cfgloopmanip.c: Ditto.
5965 * postreload-gcse.c: Ditto.
5966 * tree-ssa-loop-manip.c: Ditto.
5967 * postreload.c: Ditto.
5968 * tree-ssa-loop-ch.c: Ditto.
5972 * diagnostic.c: Ditto.
5974 * genoutput.c: Ditto.
5976 * cfghooks.c: Ditto.
5977 * cfgloopanal.c: Ditto.
5978 * objc/objc-act.c: Ditto.
5980 * genextract.c: Ditto.
5981 * genautomata.c: Ditto.
5982 * pretty-print.c: Ditto.
5984 * cgraphunit.c: Ditto.
5987 * haifa-sched.c: Ditto.
5988 * dominance.c: Ditto.
5990 * tree-ssa-loop-ivopts.c: Ditto.
5992 * mode-switching.c: Ditto.
5993 * modulo-sched.c: Ditto.
5995 * ipa-pure-const.c: Ditto.
5997 * fix-header.c: Ditto.
5999 * tree-stdarg.c: Ditto.
6000 * ipa-utils.c: Ditto.
6001 * loop-init.c: Ditto.
6002 * ipa-inline.c: Ditto.
6005 * alloc-pool.c: Ditto.
6006 * dwarf2out.c: Ditto.
6008 * genattrtab.c: Ditto.
6009 * tree-ssa-loop-ivcanon.c: Ditto.
6013 * fortran/gfortranspec.c: Ditto.
6015 * local-alloc.c: Ditto.
6016 * langhooks.c: Ditto.
6017 * function.c: Ditto.
6018 * tree-vectorizer.c: Ditto.
6020 * ipa-type-escape.c: Ditto.
6022 * tree-if-conv.c: Ditto.
6025 * tree-data-ref.c: Ditto.
6026 * loop-unroll.c: Ditto.
6027 * treelang/treetree.c: Ditto.
6030 * ggc-common.c: Ditto.
6032 * coverage.c: Ditto.
6034 * tree-cfgcleanup.c: Ditto.
6035 * tree-ssa-pre.c: Ditto.
6036 * cfgcleanup.c: Ditto.
6037 * loop-invariant.c: Ditto.
6039 * ipa-prop.c: Ditto.
6040 * print-tree.c: Ditto.
6041 * conflict.c: Ditto.
6042 * ggc-page.c: Ditto.
6043 * sched-deps.c: Ditto.
6044 * regclass.c: Ditto.
6045 * tree-object-size.c: Ditto.
6047 * bb-reorder.c: Ditto.
6048 * resource.c: Ditto.
6049 * var-tracking.c: Ditto.
6051 * df-problems.c: Ditto.
6052 * reg-stack.c: Ditto.
6055 * sched-rgn.c: Ditto.
6056 * tree-ssa-structalias.c: Ditto.
6057 * tree-ssa-reassoc.c: Ditto.
6058 * config/darwin-c.c: Ditto.
6059 * config/darwin.c: Ditto.
6060 * config/arm/arm.c: Ditto.
6062 * collect2.c: Ditto.
6065 2006-01-31 Nicolas Pitre <nico@cam.org>
6067 * arm.md (smaxsi3): Make aware of smax_m1.
6070 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6072 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6074 2006-01-31 Richard Guenther <rguenther@suse.de>
6076 * doc/invoke.texi (-msselibm): Document.
6077 * target.h (expand_library_builtin): New target hook.
6078 * builtins.c (expand_builtin): Use expand_library_builtin.
6079 (default_expand_library_builtin): New function.
6080 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6081 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6082 (link_gcc_math_spec): Declare.
6083 (static_specs): Add link_gcc_math_spec.
6084 * expr.h (default_expand_library_builtin): Declare.
6085 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6086 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6087 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6088 * config/i386/i386.opt (msselibm): New target option.
6089 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6090 (ix86_init_sse_abi_builtins): New function.
6091 (ix86_expand_library_builtin): Likewise.
6092 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6093 (override_options): Handle error conditions wrt -msselibm.
6094 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6095 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6096 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6099 2006-01-31 Richard Guenther <rguenther@suse.de>
6100 Paolo Bonzini <bonzini@gnu.org>
6102 * doc/install.texi (--disable-libgcc-math): Document.
6104 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6106 * expr.h (expand_normal): new inline function.
6107 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6109 * dwarf2out.c: use it.
6114 * config/sparc/sparc.c: use it.
6115 * config/i386/i386.c: use it.
6116 * config/rs6000/rs6000.c: use it.
6117 * config/arm/arm.c: use it.
6118 * config/mips/mips.c: use it.
6119 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6121 2006-01-30 Roger Sayle <roger@eyesopen.com>
6123 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6124 argv to the appropriate type.
6126 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6128 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6131 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6134 * config/s390/s390.c (struct machine_function): New flag
6135 decomposed_literal_pool_addresses_ok_p.
6136 (s390_reorg): Set it before final stage of literal pool transforms.
6137 (s390_decompose_address): Only accept displacements of the form
6138 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6140 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6142 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6143 the comparison routine return.
6145 2006-01-30 Michael Matz <matz@suse.de>
6147 * global.c (find_reg): Only evict for global regs.
6148 Take n_refs into account and dump more info.
6150 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6153 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6154 (pragma_trap, pragma_nosave_low_regs): Likewise.
6155 (current_function_anonymous_args): Likewise.
6156 (sh_deferred_function_attributes): New variable.
6157 (sh_deferred_function_attributes_tail): Likewise.
6158 (print_operand): For '@', look up trap_exit attribute.
6159 (calc_live_regs): Look up trapa_handler attribute. For trapa
6160 handlers, save/restore fpscr, but don't do any other
6161 interrupt-specific saves.
6162 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6163 Fix check for partially saved registers to check for SHmedia.
6164 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6165 (sh_output_function_epilogue): Don't clear any of the removed
6167 (sh_insert_attributes): Don't check pragma_interrupt.
6168 Insert deferred attributes. Check that interrupt attribute is
6169 present for other attributes that require its presence.
6170 (sh_attribute_table): Add new attributes trapa_handler and
6172 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6173 Don't check for pragma_interrupt. Don't store argument.
6174 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6175 (sh_deferred_function_attributes): Declare.
6176 (sh_deferred_function_attributes_tail): Likewise.
6177 * sh.md (sp_switch_1): Add operand. Change generator caller.
6178 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6179 (*return_i): Don't use when trap_exit attribute is in effect.
6180 (*return_trapa): New insn pattern.
6182 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6183 setting c_target_objs and cxx_target_objs.
6184 * t-sh: Add rule for sh-c.o.
6186 2006-01-30 Richard Guenther <rguenther@suse.de>
6189 * gimplify.c (gimplify_target_expr): Handle easy cases
6190 without creating a temporary.
6192 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6194 * vec.h (safe_grow): Remove duplicated line.
6196 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6199 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6200 (expand_omp): ... here.
6201 (expand_omp_parallel): Only remove barriers for combined
6202 parallel+workshare constructs.
6204 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6208 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6209 * tree.c (build_qualified_type): Chain the new type to the original
6210 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6211 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6212 (build_pointer_type_for_mode): Only return unqualified types.
6213 (build_reference_type_for_mode): Likewise.
6215 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6217 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6218 * Makefile.in (CXX_COMPAT_WARN): Define.
6219 * configure: Regenerate.
6221 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6224 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6227 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6229 * toplev.c: Fix thinko.
6231 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6232 Marcin Dalecki <martin@dalecki.de>
6234 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6235 (push_srcloc): Use XNEW.
6236 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6238 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6240 * df-core.c (df_set_blocks): Deleted all variable.
6242 2006-01-28 Ian Lance Taylor <ian@airs.com>
6244 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6245 cgraph_output_pending_asms.
6247 2006-01-28 Zack Weinberg <zackw@panix.com>
6249 * c.opt: Add -W(no-)overlength-strings.
6250 * doc/invoke.texi: Document it.
6251 * c-opts.c (c_common_handle_option): -pedantic implies
6252 -Woverlength-strings, if not explicitly disabled already.
6253 (c_common_post_options): -Woverlength-strings defaults to off, and
6254 is always off for C++.
6255 * c-common.c (fix_string_type): Issue warning about strings longer
6256 than is portable only if warn_overlength_strings. Rearrange code
6257 a little for clarity.
6258 * configure.in: Check for -Wno-overlength-strings as well before
6259 enabling -pedantic in stage 1.
6260 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6261 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6263 * genconditions.c (write_header, write_one_condition)
6264 (write_conditions, write_writer): Consolidate very long strings
6265 that were broken up to fit in C89 portable limit. Don't use
6266 printf when fputs will do.
6268 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6270 * combine.c (simplify_comparison <AND>): Check
6271 TRULY_NOOP_TRUNCATION before start using a subreg.
6273 * config/mips/mips.md (*branch_zero<mode>,
6274 *branch_zero<mode>_inverted, *branch_equality<mode>,
6275 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6276 Remove mode check from comparisons.
6278 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6280 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6282 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6284 * expmed.c (const_mult_add_overflow_p): Remove.
6285 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6287 * recog.c (validate_replace_rtx_subexp): Remove.
6288 * recog.h: Remove the prototype for
6289 validate_replace_rtx_subexp.
6291 * integrate.h: Remove the prototype for
6292 copy_decl_for_inlining.
6293 * rtl.h: Remove the prototype for mark_constant_function.
6294 * tree-vectorizer.h: Remove the prototype for
6295 vect_strip_conversion.
6297 * modulo-sched.c (create_partial_schedule,
6298 free_partial_schedule, reset_partial_schedule): Make them
6301 * hooks.c (hook_bool_rtx_int_false): Remove.
6302 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6304 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6306 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6307 and -mlong-double-128 are incompatible.
6308 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6309 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6310 (TARGET_LIBGCC2_CFLAGS): Define.
6311 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6312 (TARGET_LIBGCC2_CFLAGS): Same.
6313 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6315 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6318 * c-typeck.c (build_binary_op): Perform implicit casts of
6319 operands before shortening them.
6321 * cfgloopmanip.c (split_loop_bb): Remove.
6322 * cfgloop.h: Remove the prototype for split_loop_bb.
6324 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6325 * cfgloop.h: Remove the prototype for
6326 flow_loop_outside_edge_p.
6328 * emit-rtl.c (init_virtual_regs): Make it static.
6329 * function.h: Remove the prototype for init_virtual_regs.
6331 * recog.c (peephole2_optimize): Make it static.
6332 * recog.h: Remove the prototype for peephole2_optimize.
6334 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6336 * df-scan.c (df_record_entry_block_defs): Check if
6337 INCOMING_RETURN_ADDR_RTX is defined.
6339 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6340 Kenneth Zadeck <zadeck@naturalbridge.com>
6342 PR rtl-optimization/24762
6343 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6344 * targhooks.c (hook_void_bitmap): New hook prototype.
6345 * targhoohs.h (hook_void_bitmap): Ditto.
6346 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6347 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6348 * target.h (live_on_entry): New function pointer.
6349 * df-scan.c (df_all_hard_regs): Removed.
6350 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6351 (df_scan_free_internal): Added df->entry_block_defs.
6352 (df_scan_alloc): Ditto.
6353 (df_scan_dump): Ditto.
6354 (df_uses_record): Plumbed flag field properly thru calls.
6355 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6356 This part fixes PR24762.
6357 (df_bb_refs_record): Added code to make the frame and arg
6358 pointers live in EH blocks.
6359 (df_refs_record): Added call to df_record_entry_block_defs.
6360 (df_record_entry_block_defs): New function.
6361 * df-core.c: Added comments to describe new artifical defs.
6362 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6363 (entry_block_defs): New field in struct df.
6364 (df_all_hard_regs): Deleted.
6365 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6366 * df-problems.c (df_ru_bb_local_compute_process_def):
6367 Added code to handle artifical defs in the entry to a function.
6368 (df_ru_bb_local_compute): Ditto.
6369 (df_rd_bb_local_compute_process_def): Ditto.
6370 (df_rd_bb_local_compute): Ditto.
6371 (df_lr_bb_local_compute): Ditto.
6372 (df_ur_bb_local_compute): Ditto.
6373 (df_urec_bb_local_compute): Ditto.
6374 (df_chain_create_bb): Ditto.
6375 (df_ur_local_finalize): Removed entry.
6376 (df_urec_init): Ditto.
6377 (df_urec_local_finalize): Ditto.
6378 (df_ri_bb_compute): Added detection of last use of pseudos.
6379 * Makefile.in (df-scan.o): Updated dependencies.
6380 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6381 * config/mips/mips.c (mips_set_live_on_entry): Added.
6382 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6384 * dce.c (marked_insn_p): Added code to handle artifical defs.
6386 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6388 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6390 (_mm_cvtsi128_si64): Likewise.
6391 (_mm_cvtsd_si64): Likewise.
6392 (_mm_cvttsd_si64): Likewise.
6393 (_mm_cvtsi64_sd): Likewise.
6394 (_mm_cvtsi64_si128): Likewise.
6395 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6396 (_mm_cvtsi64_m64): Likewise.
6397 (_m_to_int64): Likewise.
6398 (_mm_cvtm64_si64): Likewise.
6399 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6400 (_mm_cvttss_si64): Likewise.
6401 (_mm_cvtsi64_ss): Likewise.
6402 (_mm_cvtss_f32): Likewise.
6404 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6406 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6407 for pragma redefine_extname.
6409 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6412 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6413 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6414 -mno-minimal-toc to previous content.
6415 (bispecs): Remove goal.
6416 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6417 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6418 compatibility aliases on powerpc-*-*gnu*.
6419 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6420 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6421 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6422 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6423 (ldblspecs): New goal.
6424 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6425 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6427 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6428 L_sf_to_tf or L_df_to_tf is defined.
6430 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6431 Alan Modra <amodra@bigpond.net.au>
6434 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6435 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6436 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6437 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6438 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6439 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6440 (rs6000_override_options): Initialize rs6000_ieeequad.
6441 Initialize TFmode format to ibm_extended_format if not
6443 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6445 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6446 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6447 (function_arg_advance): IBM long double passed in two FPRs, not
6449 (function_arg): IBM long double passed in FPRs.
6450 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6451 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6452 Only multireg GPR aligned.
6453 (rs6000_init_libfuncs): Enable IBM long double functions if not
6455 (rs6000_generate_compare): Use IBM long double compare if not
6457 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6458 (TARGET_IEEEQUAD): Define.
6459 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6460 not TARGET_IEEEQUAD.
6461 * config/rs6000/rs6000.md: Enable TFmode patterns if
6463 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6464 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6465 and -mlong-double-128 are incompatible.
6466 * doc/invoke.texi (-mabi): Collect options together. Add
6467 ibmlongdouble and ieeelongdouble.
6469 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6471 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6473 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6474 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6475 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6476 * rtl.h (rtunion_def): Remove rt_ptr.
6478 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6479 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6480 * config/i386/winnt.c (i386_pe_mark_dllexport)
6481 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6483 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6485 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6487 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6491 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6492 pthread_key_delete. From John David Anglin. gthrw-ify
6493 pthread_getunique_np only if it it's not a macro. Delete
6495 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6496 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6497 __gthread_objc_condition_signal, __gthread_key_delete): Add
6498 "__attribute__ ((__unused__))" to unused arguments.
6499 (__gthread_recursive_mutex_init_function): Add missing return.
6500 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6501 gthr-posix95.h: Use macro-based approach for name redirection
6502 on targets missing weakref.
6504 2006-01-26 Zack Weinberg <zackw@panix.com>
6506 * genconditions.c (write_header): In generated code, #ifdef out
6507 all includes and fake declarations, except includes of bconfig.h
6508 and system.h, unless GCC_VERSION >= 3001. Do not include
6509 gensupport.h in any case.
6510 (write_conditions): Generate a definition of struct c_test. Add
6511 a comment to the generated #endif.
6512 (write_one_condition): Escape backslashes in string too.
6513 (write_writer): Generated code must escape backslashes and quote
6514 marks (but not newlines) in the strings it writes.
6515 * Makefile.in (build/gencondmd.o): Update dependencies.
6517 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6520 * Makefile.in (insn-automata.o): Add header file dependencies.
6521 * genautomata.c: Add includes.
6523 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6526 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6528 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6530 * configure.ac: Expect target tools paths to be passed from the toplevel
6531 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6533 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6535 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6538 * c.opt (Wpointer-sign): Init to -1.
6539 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6540 OPT_pedantic, to 0 otherwise.
6541 * doc/invoke.texi: Update.
6543 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6545 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6546 constants provided by 80387 instructions in the destination mode.
6548 2006-01-26 Richard Guenther <rguenther@suse.de>
6549 Andrew Pinski <pinskia@physics.uc.edu>
6552 partial PR tree-opt/17064
6553 * tree-ssa-structalias.c (intra_create_variable_infos):
6554 Create heap variables for incoming parameters if
6555 flag_argument_noalias > 1.
6556 (find_what_p_points_to): Look through default defs of
6559 2006-01-26 Jeff Law <law@redhat.com>
6562 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6563 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6564 within the VR_RANGE, use the VR_RANGE as the result, not the
6566 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6567 bounds for the type.
6569 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6571 * tree-ssa-alias.c (maybe_create_global_var): Change
6572 subvar walking to an assertion that we don't have subvar'd variables.
6574 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6577 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6578 Use a new variable, inner. PARM_DECLs are always non-weak.
6580 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6582 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6585 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6587 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6589 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6591 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6592 (smax_insn, smin_insn, smax_0, smin_0): New.
6594 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6597 * config/cris/cris.c (cris_order_for_addsi3): New function.
6598 * config/cris/cris-protos.h: Prototype it.
6599 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6600 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6601 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6602 (split for "op.S1 [rx=rx+i],ry (swapped)")
6603 (split for "op(s|u).S1 [rx=rx+i],ry")
6604 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6605 Apply cris_order_for_addsi3 when generating addsi3 insns.
6607 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6609 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6610 (TREE_BLOCK): Add call to EXPR_CHECK.
6612 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6615 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6616 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6617 (dump_omp_clauses): ... here.
6618 (dump_generic_node): Handle OMP_CLAUSE.
6619 * tree.c (omp_clause_num_ops): New.
6620 (omp_clause_code_name): New.
6621 (tree_code_size): Handle OMP_CLAUSE.
6622 (tree_size): Likewise.
6623 (make_node): Document handling of OMP_CLAUSE.
6624 (tree_node_structure): Handle OMP_CLAUSE.
6625 (omp_clause_check_failed): New.
6626 (omp_clause_range_check_failed): New.
6627 (omp_clause_operand_check_failed): New.
6628 (build_omp_clause): New.
6629 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6630 * tree.h (enum omp_clause_code): Declare.
6631 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6632 (OMP_CLAUSE_RANGE_CHECK): Define.
6633 (OMP_CLAUSE_ELT_CHECK): Define.
6634 (omp_clause_check_failed): Declare.
6635 (omp_clause_operand_check_failed): Declare.
6636 (omp_clause_range_check_failed): Declare.
6637 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6638 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6639 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6640 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6641 (OMP_CLAUSE_IF_EXPR): Likewise.
6642 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6643 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6644 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6645 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6646 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6647 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6648 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6649 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6650 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6651 (OMP_CLAUSE_CODE): Define.
6652 (OMP_CLAUSE_SET_CODE): Define.
6653 (OMP_CLAUSE_CODE): Define.
6654 (OMP_CLAUSE_OPERAND): Define.
6655 (struct tree_omp_clause): Declare.
6656 (union tree_node): Add field 'omp_clause'.
6657 * treestruct.def (TS_OMP_CLAUSE): Define.
6658 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6659 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6660 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6661 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6662 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6663 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6664 (OMP_CLAUSE): Define.
6665 * print-tree.c (print_node): Handle OMP_CLAUSE.
6666 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6667 * c-typeck.c: Likewise.
6668 * gimplify.c: Likewise.
6669 * c-omp.c: Likewise.
6670 * tree-nested.c: Likewise.
6671 * tree-inline.c: Likewise.
6672 * c-parser.c: Likewise.
6673 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6676 2006-01-25 Roger Sayle <roger@eyesopen.com>
6678 PR rtl-optimization/25703
6679 * combine.c (try_combine): Handle zero_extract and strict_low_part
6680 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6682 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6684 * global.c: Fix comment typos.
6686 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6689 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6690 Use output_addr_const instead of assemble_name.
6692 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6694 * Makefile.in (sched-vis.o): Update dependencies.
6695 * haifa-sched.c (sched_finish): Clear current_sched_info.
6696 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6697 (dump_flow_info): Call it.
6698 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6700 * basic-block.h (dump_bb_info): Declare.
6701 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6702 option, and apply options only for dump files whose TDF_RTL,
6703 TDF_TREE, or TDF_IPA bits match.
6704 * rtl.h: Declare new functions exported from sched-vis.c.
6705 * sched-vis.c: Enable also if scheduling is not used.
6706 (print_value): Print the mode of registers if not inside scheduling.
6707 (print_insn): Make it work outside the scheduler. Beautify the output
6709 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6711 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6713 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6714 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6715 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6716 depending on the value of CONSTANT_POOL_ADDRESS_P.
6717 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6719 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6720 rather than SYMBOL_REF_DECL.
6721 (rtx_constant_pool): Remove const_rtx_sym_htab.
6722 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6723 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6724 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6725 Remove handling of const_rtx_sym_htab.
6726 (find_pool_constant): Delete.
6727 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6728 rather than find_pool_constant.
6729 (get_pool_constant_for_function): Delete.
6730 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6732 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6733 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6734 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6735 (SYMBOL_REF_CONSTANT): New macro.
6736 (get_pool_constant_for_function): Delete.
6737 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6738 rather than SYMBOL_REF_DECL.
6739 (i386_pe_mark_dllimport): Likewise.
6740 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6741 rather than SYMBOL_REF_DECL.
6742 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6743 (machopic_indirect_call_target): Likewise.
6745 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6747 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6749 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6751 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6753 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6755 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6757 2006-01-24 David Daney <ddaney@avtrex.com>
6760 * configure.ac (enable_tls): New enable option.
6761 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6762 * configure: Regenerate.
6763 * doc/install.texi (--enable-tls): Document new option.
6764 (--disable-tls): Ditto.
6766 2006-01-24 Richard Henderson <rth@redehat.com>
6768 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6769 * alias.c (true_dependence): Respect it.
6770 (canon_true_dependence, write_dependence_p): Likewise.
6771 * builtins.c (get_builtin_sync_mem): Set it.
6773 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6775 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6778 2006-01-24 DJ Delorie <dj@redhat.com>
6780 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6781 for storing constants in single-bit bitfields.
6783 2006-01-25 Ben Elliston <bje@au.ibm.com>
6785 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6787 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6790 * tree-ssa-pre.c (phi_translate): Return NULL
6791 for AGGREGATE_TYPE's.
6793 2006-01-24 Zack Weinberg <zackw@panix.com>
6795 * genautomata.c (process_state_for_insn_equiv_partition):
6796 Use xcalloc for insn_arcs_array.
6797 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6798 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6800 2006-01-24 Richard Henderson <rth@redhat.com>
6802 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6805 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6807 PR rtl-optimization/25890
6808 PR rtl-optimization/25905
6809 * combine.c (expand_compound_operation, expand_field_assignment):
6810 Fail if the bitfield's final position is out of bounds.
6812 2006-01-24 Ian Lance Taylor <ian@airs.com>
6815 * cgraphunit.c (cgraph_output_in_order): Don't clear
6816 cgraph_asm_nodes until after asm strings have been output.
6818 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6820 * fix-header.c (read_scan_file): Add new parameter imultilib when
6821 calling register_include_chains.
6823 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6825 * omp-low.c: Update documentation.
6827 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6828 Daniel Berlin <dberlin@dberlin.org>
6832 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6833 return from the function.
6835 2006-01-22 Zack Weinberg <zackw@panix.com>
6837 * rtl.def (match_code): Add second argument.
6838 * genpreds.c (write_extract_subexp): New function.
6839 (write_match_code): Add path argument. Use write_extract_subexp.
6840 (write_predicate_expr): Pass path to write_match_code.
6841 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6842 not perform a mode test.
6843 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6844 a subexpression does not constrain the top-level code set.
6845 * read-rtl.c (read_rtx_variadic): New function.
6846 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6847 * doc/md.texi: Document new notation.
6848 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6849 (cmpsi_operand): ... here, using new notation.
6851 2006-01-22 Zack Weinberg <zackw@panix.com>
6853 * varray.c: Remove GENERATOR_FILE #ifdefs.
6855 2006-01-22 Zack Weinberg <zackw@panix.com>
6857 * genautomata.c (output_reserved_units_table): Emit nothing if
6858 description->query_units_num is zero. Remove extra blank line.
6859 (output_cpu_unit_reservation_p): Short circuit
6860 if description->query_units_num is zero.
6862 2006-01-22 Zack Weinberg <zackw@panix.com>
6864 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6865 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6866 nor any of the random handful of variables that used to be necessary
6867 when this program was linked with rtlanal.o. Prune set of forward
6868 function declarations.
6869 (struct attr_desc): Remove static_p field.
6870 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6871 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6872 (attr_string): Do not read the character one past the length of
6874 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6875 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6876 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6877 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6878 (make_automaton_attrs): New.
6879 (main): Do not call into genautomata. Call local gen_bypass
6880 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6881 Remove special case for insn_alts.
6882 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6883 varray.h (leftover from previous change). Prune set of forward
6884 function declarations. Remove state_alts fields from all
6885 structures. Remove state_alts_table from struct automaton.
6886 Make everything except main static. Do not maintain num_dfa_decls.
6887 Do not maintain state_alts fields of various structures.
6888 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6889 (add_arc): Remove state_alts argument. All callers updated.
6890 (output_reserved_units_table): Emit #ifdef here...
6891 (output_tables): ...not here. Don't generate state_alts tables.
6892 (expand_automata): Don't generate attributes.
6893 (write_automata): Don't generate state_alts functions.
6894 (main): New function.
6895 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6896 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6897 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6898 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6899 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6900 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6901 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6902 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6904 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6905 * genattrtab.h: Delete file.
6906 * Makefile.in (OBJS-common): Add insn-automata.o.
6907 (insn-automata.o): New rule.
6908 (simple_generated_c): Add insn-automata.c.
6909 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6910 (genprogmd): Add automata.
6911 (build/genattrtab): Needs no extra objects nor libraries.
6912 (build/genautomata): Needs build/vec.o and -lm.
6914 2006-01-22 Zack Weinberg <zackw@panix.com>
6916 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6917 (output_dfa_max_issue_rate, locked_states_num): Delete.
6918 (struct automaton): Add locked_states field.
6919 (output_dead_lock_vect): Save number of locked states in
6920 automaton->locked_states. If it is zero, don't print anything.
6921 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6922 (output_internal_dead_lock_func): Only test the dead_lock_vect
6923 for automata that have locked states.
6924 (output_statistics): Always print the number of locked states for
6925 each automaton. Calculate total number of locked states here.
6926 (write_automata): Don't call output_dfa_max_issue_rate.
6927 * genattrtab.c: Define length_unit_log as a const variable.
6928 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6929 max_insn_queue_index const.
6930 * final.c (length_unit_log): Declare const.
6931 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6933 2006-01-22 Zack Weinberg <zackw@panix.com>
6935 * genautomata.c: Include vec.h, not varray.h.
6936 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6937 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6938 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6939 VEC_* macros operating on appropriately typed vectors, or to
6940 malloced arrays when the size is known in advance. Const-ify
6941 many char* variables and function arguments. No functional changes.
6942 * Makefile.in (build/varray.o): Delete rule.
6943 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6944 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6946 2006-01-22 Zack Weinberg <zackw@panix.com>
6948 * gensupport.c: Define get_insn_name and record_insn_name here.
6949 (read_md_rtx): Call record_insn_name as appropriate.
6950 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6951 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6952 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6954 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6955 (BUILD_VARRAY): Delete.
6956 (genprognormal): Rename genprogmd. Fold in all programs from
6957 genprognoprint; also attrtab.
6958 (build/genattrtab): Just mention genautomata.o and varray.o.
6959 Reorganize a bit, add comments to make the categories clearer.
6961 2006-01-22 Zack Weinberg <zackw@panix.com>
6963 * genconditions.c (condition_table, add_condition): Delete.
6964 (write_conditions): Don't emit n_insn_conditions nor
6965 insn_elision_unavailable. Issue the gcc version #ifdef here,
6966 inside the table, with no #else clause ...
6967 (write_header): ...not here.
6968 (write_writer): New function.
6969 (main): Don't initialize condition_table. Use add_c_test.
6971 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6972 files on the command line.
6973 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6974 Return -1 if there is no entry in the table, don't abort.
6975 (add_c_test, traverse_c_tests): New functions.
6976 * gensupport.h (insn_elision_unavailable, insn_conditions)
6977 (n_insn_conditions): Delete declarations.
6978 (add_c_test, traverse_c_tests): Declare.
6979 * read-rtl.c: Include gensupport.h.
6980 (read_conditions): New function.
6981 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6982 (read_rtx_1): If we get EOF when we were looking for an initial
6983 open paren, return 0. Call read_conditions when appropriate.
6984 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6985 dummy-conditions.o. Eliminate references to insn-conditions.o,
6986 or change them to build/gencondmd.o, as appropriate. Remove
6987 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6988 from $(simple_generated_c). For all files remaining in those
6989 two lists, add insn-conditions.md to the generator command line.
6990 Give insn-constants.h/s-constants their own rules. Add rules
6991 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6992 (build/read-rtl.o): Depend on gensupport.h.
6993 (genprognormal): Include preds.
6994 (genprogearly): Rename genprognoprint; only difference is now that
6995 they don't link with $(BUILD_PRINT).
6996 * dummy-conditions.c: Delete.
6998 2006-01-22 Zack Weinberg <zackw@panix.com>
7000 * genextract.c: Don't include insn-config.h. Do include vec.h.
7001 Declare vectors of int, char, and locstr.
7002 (locstr): New typedef.
7003 (struct extraction): Make all array fields into bare pointers.
7004 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7005 (insn_code_number): Delete.
7006 (accum_extract): New struct.
7007 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7008 (gen_insn): Take insn_code_number as an argument. Use an
7009 accum_extract structure instead of loading data directly into
7010 a struct extraction, and having to know how big it might get.
7011 (walk_rtx): Operate entirely on an accum_extract structure.
7012 (print_path): Avoid unnecessary use of printf.
7013 (print_header): New function, split out of main. Distinguish
7014 more carefully between an unrecognizable insn and an insn that
7015 has the code number of a define_expand.
7016 (main): Pass insn_code_number to gen_insn. Call print_header
7017 only after parsing. Avoid unnecessary use of printf.
7018 * Makefile.in (build/vec.o): New rule.
7019 (build/genextract): Depend on build/vec.o.
7020 (build/genextract.o): Don't depend on insn-config.h.
7022 2006-01-22 Zack Weinberg <zackw@panix.com>
7024 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7025 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7026 practical. Eliminate per-generator-program link rules.
7028 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7031 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7032 with a call expr to ...
7033 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7035 2006-01-23 Richard Guenther <rguenther@suse.de>
7037 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7038 before make_edge with conditional EDGE_TRUE_VALUE.
7040 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7041 Jan Hubicka <jh@suse.cz>
7042 Richard Guenther <rguenther@suse.de>
7044 PR rtl-optimization/25654
7045 * cfgexpand.c (aggregate_contains_union_type): New function.
7046 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7047 for structure variables that contain a union type.
7049 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7051 * gengtype.c (new_structure): Return the structure.
7052 (create_option): Add an extra "next" argument.
7053 (create_field): New function.
7054 (adjust_field_rtx_def): Use create_option and create_field.
7055 Remove a now-unnecessary call to find_structure.
7056 (adjust_field_tree_def): Likewise.
7057 (note_yacc_type): Remove an unnecessary call to find_structure.
7058 * gengtype.h (new_structure): Return the structure.
7059 (create_option): Add an extra argument.
7060 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7061 (option): Adjust calls to create_option.
7063 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7065 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7067 2006-01-22 Paul Brook <paul@codesourcery.com>
7068 Peter Barada <peter@the-baradas.com>
7070 * config/m68k/m68k.md: Add Coldfire FPU support.
7071 Define FP mode macro and associated attributes.
7072 Use it for float mode patterns.
7073 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7074 (LIBCALL_VALUE): Use m68k_libcall_value.
7075 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7076 (m68k_function_value): Ditto.
7077 (emit_move_sequence): Ditto.
7078 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7079 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7080 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7081 (MULTILIB_EXCEPTIONS): Ditto.
7082 * config/m68k/m68k.opt: Add mcfv4e.
7083 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7084 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7085 (m68k_output_function_prologue): Save ColdFire FPU registers.
7086 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7087 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7088 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7089 ColdFire FPU registers.
7090 (m68k_libcall_value, m68k_function_value): New functions.
7091 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7092 (LIBCALL_VALUE): Use m68k_libcall_value.
7093 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7094 (MASK_COLDFIRE): Add MASK_CFV4E.
7095 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7096 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7097 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7098 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7099 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7100 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7101 * doc/invoke.tex: Document -mcfv4e on m68k.
7103 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7105 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7108 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7111 * c-opts.c (c_common_handle_option): Don't include
7112 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7113 * doc/invoke.texi (C++ Dialect Options): Document that
7114 -Wnon-virtual-dtor is no longer included in -Wall.
7116 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7118 * gcov.c (print_version), gcov-dump.c (print_version),
7119 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7122 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7124 * df-scan.c (problem_SCAN): Added NULL reset function.
7125 (df_scan_reset_blocks): Added code to call reset block function
7126 (df_bb_refs_delete) Fixed comment.
7127 (df_insn_refs_delete): Made tolerant of deleting non existent info
7128 for dataflow problems that need to be reset.
7129 * df-core.c (df_set_blocks): Ditto.
7130 * df.h (struct df_problem): Added reset_fun.
7131 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7132 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7133 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7134 functions to clear out all references to def-use or use-def chains.
7136 2006-01-21 Ben Elliston <bje@au.ibm.com>
7138 * varasm.c (assemble_real): Initialise data array.
7140 2006-01-20 Paul Brook <paul@codesourcery.com>
7142 Merge from csl-arm-branch.
7143 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7144 * config/arm/arm.md (movdi): Force operands[1] to a register
7145 if we have a non-register source.
7146 (*arm_movdi, *movdf_soft_insn): Require that one of the
7147 operands be a register.
7148 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7149 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7151 2006-01-20 DJ Delorie <dj@redhat.com>
7153 * varasm.c (initialize_constant_valid_p): Allow pointers
7154 initialized from integer constants of lesser precision.
7155 (output_constant): Allow non-int-sized pointer modes to be
7156 initialized from integer constants.
7158 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7161 * cppdefault.h (struct default_include): Add multilib flag.
7162 * cppdefault.c (cpp_include_defaults): Set it.
7163 * c.opt (-imultilib): New option.
7164 * c-opts.c (imultilib): New.
7165 (c_common_handle_option): Handle -imultilib.
7166 (c_common_post_options): Likewise.
7167 * c-incpath.c (add_standard_paths, register_include_chains):
7169 * c-incpath.h (register_include_chains): Add extra parameter.
7170 * gcc.c (do_spec_1): Generate -imultilib option.
7171 (The Specs Language): Update %I description.
7172 (process_command): Update copyright notice.
7173 * doc/cppopts.texi (-imultilib): Document.
7174 * doc/invoke.texi (-imultilib): Include in option summary.
7175 (%I): Update specs documentation.
7177 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7179 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7181 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7183 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7186 2006-01-20 Richard Guenther <rguenther@suse.de>
7187 Steven Bosscher <stevenb.gcc@gmail.com>
7189 PR rtl-optimization/24626
7190 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7191 EDGE_TRUE_VALUE if in RTL mode.
7194 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7195 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7197 2006-01-20 Dirk Mueller <dmueller@suse.com>
7200 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7201 instead of a special NOP marker.
7202 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7203 NOP marker handling.
7204 * c-common.h (empty_body_warning): Add forward declaration.
7205 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7206 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7208 2006-01-20 Paul Brook <paul@codesourcery.com>
7210 * Makefile.in (lang_checks): Keep going if mkdir fails.
7212 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7214 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7215 be able to clean out basic block when not necessary.
7216 (df_scan_free): Fixed to properly delete information if df is
7217 unused before calling df_finish.
7218 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7219 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7221 (df_bb_refs_delete): New function.
7222 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7223 * df-core.c (df_set_blocks): Added code to properly clean out
7224 unused blocks if they are not part of the blocks to consider.
7225 Added additional null check.
7226 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7227 be able to clean out basic block when not necessary
7228 * df.h (df_free_bb_function): Ditto.
7229 (df_bb_refs_delete): New function.
7230 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7231 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7232 basic block parameter to be able to clean out basic block when not
7234 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7235 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7236 Fixed to properly delete information if df is unused before
7239 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7241 PR rtl-optimization/25799
7242 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7243 Corrected confluence operator to remove bits from op2 before oring
7244 with op1 rather than removing bits from op1.
7245 (df_ru_transfer_function): Corrected test on wrong bitmap which
7246 caused infinite loop. Both of these problems were introduced in
7247 the dataflow rewrite.
7249 2006-01-19 DJ Delorie <dj@redhat.com>
7251 * reload1.c (find_reload_regs): Note the details of reload
7252 failures in the dump file.
7253 (spill_failure): Likewise.
7255 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7257 * loop-iv.c: Include df.h and hashtab.h.
7258 (enum iv_grd_result): New enum.
7259 (DF_REF_IV, DF_REF_IV_SET): New macros.
7260 (struct biv_entry): New.
7261 (df, bivs): New global variables.
7262 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7263 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7265 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7266 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7267 analyzed_for_bivness_p, record_biv): New functions.
7268 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7269 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7270 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7272 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7274 (iv_number_of_iterations): Use new interface to iv analysis.
7275 * loop-unroll.c: Do not include varray.h.
7276 (analyze_iv_to_split_insn): Use new interface to iv
7278 * loop-unswitch.c (may_unswitch_on): Ditto.
7279 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7281 (df_bb_modify): Realloc tables to the new index.
7282 (df_find_use): New function.
7283 * df.h (df_find_use): Declare.
7284 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7286 * cfgloop.h (struct rtx_iv): Remove analysed field.
7287 (iv_get_reaching_def): Removed.
7288 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7289 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7290 (loop-iv.o): Add df.h and hashtab.h dependency.
7291 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7293 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7296 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7298 (__floatundisf, __floatundidf): Likewise.
7299 * libgcc2.h (IS_IBM_EXTENDED): Define.
7301 2006-01-19 DJ Delorie <dj@redhat.com>
7303 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7305 2006-01-19 Paul Brook <paul@codesourcery.com>
7307 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7308 as nothrow when unwinding tables are disabled.
7310 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7313 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7314 of bit-field" when in system header.
7316 2006-01-19 DJ Delorie <dj@redhat.com>
7318 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7319 the 16 bit shift limit of the m16c.
7321 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7324 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7325 * config/i386/i386.c (output_set_got): Output the label if we have one
7326 for the TARGET_DEEP_BRANCH_PREDICTION case.
7328 2006-01-19 Jan Hubicka <jh@suse.cz>
7329 H.J. Lu <hongjiu.lu@intel.com>
7330 Evandro Menezes <evandro.menezes@amd.com>
7332 * invoke.texi (generic): Document
7334 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7335 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7336 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7337 (x86_use_incdec, x86_pad_returns): New variables
7338 (TARGET_CPU_DEFAULT_generic): New constant
7339 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7340 (enum processor_type): Add generic32 and generic64.
7341 * i386.md (cpu attribute): Add generic32/generic64
7342 (movhi splitter): Behave sanely when both partial_reg_dependency and
7343 partial_reg_stall are set.
7344 (K8 splitters): Enable for generic as well.
7345 * predicates.md (incdec_operand): Use TARGET_INCDEC
7346 (aligned_operand): Avoid memory mismatch stalls.
7347 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7348 * ppro.md: Enable for generic32
7349 * i386.c (generic64_cost, generic32_cost): New.
7350 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7351 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7352 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7353 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7354 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7355 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7356 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7357 x86_accumulate_outgoing_args, x86_prologue_using_move,
7358 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7359 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7361 (x86_use_incdec, x86_pad_returns): New.
7362 (override_options): Add generic32 and generic64, translate "generic"
7363 to generic32/generic64 and "i686" to "generic32", refuse
7364 "generic32"/"generic64" as arch target.
7365 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7366 (ix86_reorg): Honor PAD_RETURNS.
7368 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7370 * tree-pretty-print.c (dump_generic_node): Handle
7371 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7372 * cgraph.c (cgraph_expand_queue): Rename from
7373 cgraph_analyze_queue. Update all users.
7374 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7375 cgraph_expand_queue.
7376 (cgraph_expand_all_functions): Likewise.
7377 (cgraph_finalize_pending_functions): Remove. Update callers.
7379 * tree.h (OMP_DIRECTIVE_P): Define.
7380 (OMP_PARALLEL_FN): Define.
7381 (OMP_PARALLEL_DATA_ARG): Define.
7382 (OMP_SECTIONS_SECTIONS): Define.
7383 * tree-pass.h (pass_expand_omp): Declare.
7384 * omp-low.c (struct omp_region): Declare.
7385 (struct omp_context): Remove fields 'parallel_type',
7386 'parallel_start_ix' and 'parallel_start_additional_args'.
7388 (struct omp_for_data): Rename from struct expand_omp_for_data.
7389 (omp_regions): New static variable.
7390 (root_omp_region): New static variable.
7391 (find_omp_clause): Make static.
7392 (is_in_combined_parallel_ctx): Remove.
7393 (is_combined_parallel): New.
7394 (extract_omp_for_data): Move earlier in the file.
7395 (workshare_safe_to_combine_p): New.
7396 (get_ws_args_for): New.
7397 (determine_parallel_type): Move earlier in the file.
7398 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7400 (omp_copy_decl): Likewise.
7401 (create_omp_child_function): Likewise.
7402 (lookup_omp_region): New.
7403 (dump_omp_region): New.
7404 (debug_omp_region): New.
7405 (debug_all_omp_regions): New.
7406 (new_omp_region): New.
7407 (scan_omp_parallel): If parallel_nesting_level > 1, the
7408 directive is nested within another parallel directive.
7409 Set OMP_PARALLEL_FN.
7410 (scan_omp_for): Do not try to handle combined parallel+for
7412 Remove FIXME comment.
7413 (scan_omp_nested): Remove.
7414 (scan_omp_1): Do not call scan_omp_nested when
7415 parallel_nesting_level is > 1.
7416 Do not change the DECL_CONTEXT of local variables found.
7417 (lookup_decl_in_outer_ctx): New.
7418 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7419 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7420 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7421 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7422 If CTX is nested, lookup VAR in the outer context when
7423 building copy assignment.
7424 (lower_send_clauses): Rename from expand_send_clauses.
7425 If CTX is nested, lookup VAR in the outer context when
7426 building copy assignments.
7427 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7428 If CTX is nested, lookup VAR in the outer context when
7429 building copy assignments.
7430 (expand_parallel_call): Rename from build_parallel_call.
7431 Handle combined parallel+workshare cases.
7432 Re-implement to emit code into the CFG.
7434 (expand_omp_parallel): Re-implement to emit code into the CFG.
7435 Call move_sese_region_to_fn to outline the sub-graph
7436 containing the parallel region.
7437 (expand_omp_for_1): Remove.
7438 (expand_omp_for_generic): Re-implement to emit code into the
7440 (expand_omp_for_static_nochunk): Likewise.
7441 (expand_omp_for_static_chunk): Likewise.
7442 (expand_omp_for): Likewise.
7443 (expand_omp_sections): Likewise.
7444 (remove_exit_barriers): New.
7445 (expand_omp_synch): New.
7447 (build_omp_regions_1): New.
7448 (build_omp_regions): New.
7449 (execute_expand_omp): New.
7450 (gate_expand_omp): New.
7451 (pass_expand_omp): Define.
7452 (lower_omp_sections): Rename from expand_omp_sections.
7453 Set OMP_SECTIONS_SECTIONS.
7454 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7455 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7456 (lower_omp_single): Rename from expand_omp_simple.
7457 (lower_omp_master): Rename from expand_omp_master.
7458 (lower_omp_ordered): Rename from expand_omp_ordered.
7459 (lower_omp_critical): Rename from expand_omp_critical.
7460 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7461 (lower_omp_for): Re-implement.
7462 (lower_omp_parallel): Re-implement.
7463 (lower_regimplify): Rename from expand_regimplify.
7464 (lower_omp_1): Rename from expand_omp_1.
7465 If there are syntax errors in the program, replace every
7466 OpenMP directive with NOP.
7467 Call lower_omp_* instead of expand_omp_*.
7468 (lower_omp): Rename from expand_omp.
7470 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7471 * tree-gimple.h (enum omp_parallel_type): Remove.
7472 (gimple_boolify): Declare extern.
7473 (find_omp_clause, determine_parallel_type): Remove.
7475 * gimple-low.c (lower_omp_directive): New.
7476 (lower_stmt): Call it.
7477 (record_vars_into): Move from ...
7478 (record_vars): ... here.
7479 Call record_vars_into with current_function_decl.
7481 * gimplify.c (struct gimplify_ctx): Remove fields
7482 combined_pre_p and combined_ctxp. Update users.
7483 (get_formal_tmp_var): Add documentation.
7484 (gimple_boolify): Make extern.
7485 (gimplify_expr_in_ctx): Remove. Update callers.
7486 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7487 will always be a BIND_EXPR.
7488 (gimplify_expr): Handle OMP_RETURN_EXPR.
7489 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7490 (OMP_PARALLEL): Add 3 operands.
7491 (OMP_SECTIONS): Add 1 operand.
7492 (OMP_RETURN_EXPR): Define.
7494 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7495 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7496 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7497 creating a circular free list.
7498 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7500 * tree-flow.h (move_sese_region_to_fn): Declare.
7501 (record_vars_into): Declare.
7502 * tree-cfg.c (make_omp_sections_edges): New.
7503 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7504 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7505 OMP_SECTIONS and OMP_SECTION.
7506 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7507 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7508 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7509 (gather_blocks_in_sese_region): New.
7510 (struct move_stmt_d): Declare.
7512 (move_block_to_fn): New.
7513 (move_sese_region_to_fn): New.
7515 * passes.c (init_optimization_passes): Schedule
7516 pass_expand_omp after pass_init_datastructures.
7518 * tree-ssa-operands.c (get_expr_operands): Handle
7519 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7520 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7522 2006-01-19 Jeff Law <law@redhat.com>
7524 * tree-vrp.c (extract_range_from_assert): Refine the result range
7525 if the variable referenced by the ASSERT_EXPR has a range and
7526 either the tentative result range or the previous range is a
7529 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7531 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7533 2006-01-19 Jan Hubicka <jh@suse.cz>
7535 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7537 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7539 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7540 (expand_compound_operation, expand_field_assignment): Fail if the
7541 bit lengths of an extract operation are out of range.
7542 (make_extraction): Compute wanted_inner_mode based on the position
7543 and length of the extraction. Make it extraction_mode for non-constant
7544 positions, and do not modify offset in that case. When generating a
7545 new MEM, use a mode that can hold the extraction while keeping correct
7546 alignment. Remove code that supported MEMs wrapped by USEs.
7547 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7549 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7551 * config/s390/s390.md ("Y", "y"): New mode attribute.
7552 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7553 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7554 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7555 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7556 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7557 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7558 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7559 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7560 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7561 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7562 "addsi3", "subsi3"): Insn patterns removed.
7563 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7564 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7565 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7566 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7567 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7568 "*sub<mode>3_cconly2"): New insn patterns.
7569 ("addsi3", "subsi3"): New expanders.
7571 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7573 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7574 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7575 existing STMT_VINFO_VECTYPE if available.
7576 (vect_mark_relevant): Add special handling for stmts that are
7577 marked as STMT_VINFO_IN_PATTERN_P.
7578 (vect_analyze_loop): Call vect_pattern_recog.
7579 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7580 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7582 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7583 (vect_recog_func_ptr): New function-pointer type.
7584 * tree-vect-patterns.c: New file.
7585 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7586 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7587 (vect_pattern_recog_1): New functions.
7588 (vect_pattern_recog_funcs): New array of function pointers.
7590 * tree-vectorizer.h (ternary_op): New enum value.
7591 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7592 declaration. Revised documentation. Removed redundant dump prints.
7593 Removed redundant argument. Added support for reduction patterns.
7594 (vectorizable_reduction): Added support for reduction patterns.
7595 (vect_transform_stmt): Added support for patterns.
7597 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7598 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7599 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7600 (expand_widen_pattern_expr): New function.
7601 (init_optabs): Initialize new optabs udot_prod_optab,
7603 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7604 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7605 (expand_widen_pattern_expr): New function declaration.
7606 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7608 * tree-inline.c (estimate_num_insns_1): Added cases for new
7609 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7610 * tree-pretty-print.c (dump_generic_node): Likewise.
7611 (op_prio): Likewise.
7612 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7613 * tree-ssa-operands.c (get_expr_operands): Added case for
7615 * tree-vect-patterns.c (widened_name_p): New function.
7616 (vect_recog_dot_prod_pattern): Added function implementation.
7617 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7618 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7619 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7620 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7622 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7623 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7624 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7625 (init_optabs): Initialize new optabs widen_ssum_optab,
7627 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7628 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7629 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7630 use instead of type of def.
7631 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7632 function implementation.
7633 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7634 widen_ssumv8hi): New.
7636 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7639 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7642 * c-decl.c (add_flexible_array_elts_to_size): New function.
7643 (finish_decl): Use it.
7645 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7647 * diagnostic.h: Include options.h.
7648 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7649 dependancies for diagnostic.h.
7650 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7652 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7654 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7655 (ssa_ro_call_cache_valid): Ditto.
7656 * tree-ssa-alias.c (sort_tags_by_id): New function.
7657 (init_transitive_clobber_worklist): Ditto.
7658 (add_to_worklist): Ditto.
7659 (mark_aliases_call_clobbered): Ditto.
7660 (compute_tag_properties): Ditto.
7661 (set_initial_properties): Ditto.
7662 (compute_call_clobbered): Ditto.
7663 (compute_may_aliases): Call compute_call_clobbered and grouping.
7664 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7665 (compute_flow_insensitive_aliasing): Grouping now happens in our
7667 (setup_pointers_and_addressables): Remove clobbering related code.
7668 (add_may_alias): Ditto.
7669 (replace_may_alias): Ditto.
7670 (get_nmt_for): Ditto.
7671 (create_global_var):
7672 (is_escape_site): Return an escape_type enumeration.
7673 * tree-flow-inline.h (is_call_clobbered): Global var does not
7674 imply call clobbered.
7675 (mark_call_clobbered): Take a reason for marking this. Remove
7676 marking of globalness, and cache invalidation.
7677 (clear_call_clobbered): Remove cache invalidation code.
7678 * tree-dfa.c (dump_variable): If details is on, dump the reason
7680 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7682 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7683 (struct var_ann_d): Ditto.
7684 (enum escape_type): New.
7685 (mark_call_clobbered): Adjust prototype.
7686 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7687 are never call clobbered.
7688 Record reasons for escaping.
7689 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7690 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7691 (ssa_ro_call_cache_valid): Ditto.
7692 (clobbered_v_may_defs): Ditto.
7693 (clobbered_vuses): Ditto.
7694 (ro_call_vuses): Ditto.
7695 (clobber_stats): New.
7696 (init_ssa_operands): Zero out clobber stats.
7697 (fini_ssa_operands): Print out clobber stats.
7698 (get_call_expr_operands): Pass callee fndecl to
7700 (add_call_clobber_ops): Remove use of cache.
7701 Add use of PURE_CONST information.
7702 (add_call_read_ops): Remove use of cache.
7703 Add use of static not_read information.
7705 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7707 Introduce TLS descriptors for i386 and x86_64.
7708 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7709 (TARGET_ANY_GNU_TLS): New macro.
7710 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7711 (struct machine_function): Add tls_descriptor_call_expanded_p.
7712 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7713 (ix86_current_function_calls_tls_descriptor): Likewise.
7714 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7715 (override_options): Introduce gnu2 tls dialect.
7716 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7718 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7720 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7721 (ix86_init_machine_status): Initialize new field.
7722 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7723 (ix86_tls_module_base): New.
7724 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7725 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7726 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7727 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7728 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7729 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7730 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7731 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7732 * config/i386/predicates.md (tls_modbase_operand): New.
7733 (tp_or_register_operand): New.
7735 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7737 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7738 (look_for_address_of): Ditto.
7739 (ipa_init): Walk the function decls.
7740 (static_execute): Don't set readonly on FUNCTION_DECL's.
7742 2006-01-18 Roger Sayle <roger@eyesopen.com>
7744 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7745 for shifts where the source and destination registers are different.
7747 2006-01-18 Paul Brook <paul@codesourcery.com>
7749 Merge from csl-arm-branch.
7750 2005-03-14 Julian Brown <julian@codesourcery.com>
7751 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7752 (aeabi_llsl): Likewise.
7753 (ashrdi3): Likewise.
7754 (aeabi_lasr): Likewise.
7755 (lshrdi3): Likewise.
7756 (aeabi_llsr): Likewise.
7757 2005-03-10 Julian Brown <julian@codesourcery.com>
7758 * config.gcc: Disable shared libgcc for SymbianOS.
7759 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7761 2006-01-18 DJ Delorie <dj@redhat.com>
7763 * c-pragma.c (handle_pragma_diagnostic): New.
7764 (init_pragma): Register it.
7765 * doc/extend.texi: Document it.
7767 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7768 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7769 (diagnostic_context): Add classify_diagnostic[].
7770 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7771 as errors if they're overridden to DK_WARNING.
7772 (diagnostic_initialize): Initialize classify_diagnostic[].
7773 (diagnostic_set_kind_override): New.
7774 (diagnostic_report_diagnostic): Check for kind changes.
7775 * opts.c (common_handle_option): Take lang_mask. Update callers.
7777 * common.opt (Werror=): New.
7778 * doc/invoke.texi: Document -Werror=*
7780 2006-01-18 Jeff Law <law@redhat.com>
7782 * tree-vrp.c (test_for_singularity): Correct test for new
7783 min limit. Use operand_equal_p rather than pointer equality
7784 for testing if new min/max values are equal.
7786 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7787 using range information until after propagation and folding.
7789 2006-01-18 Richard Henderson <rth@redhat.com>
7790 Aldy Hernandez <aldyh@redhat.com>
7791 Jakub Jelinek <jakub@redhat.com>
7792 Diego Novillo <dnovillo@redhat.com>
7794 * omp-low.c: New file.
7795 * c-omp.c: New file.
7797 2006-01-18 Richard Henderson <rth@redhat.com>
7798 Jakub Jelinek <jakub@redhat.com>
7799 Diego Novillo <dnovillo@redhat.com>
7801 * doc/invoke.texi: Document -fopenmp.
7802 * tree-dump.h (debug_function): Declare.
7803 * hooks.c (hook_bool_tree_bool_false): New function.
7804 (hook_tree_tree_null): Remove.
7805 (hook_tree_tree_tree_null): New.
7806 * hooks.h: Update to match.
7807 * tree-pretty-print.c (debug_tree_chain): New.
7808 (print_generic_expr): Handle TDF_CHAIN.
7809 (dump_generic_node): Handle BLOCK.
7810 Do not abort with incomplete SWITCH_EXPRs.
7811 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7812 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7813 print space after directive name.
7814 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7815 Handle OMP_MASTER and OMP_ORDERED.
7816 Handle printing of OMP_BODY just in one place, goto
7817 dump_omp_body in the rest of OMP_* nodes that have
7819 Don't handle clause nodes here. Update omp statements to
7820 use dump_omp_clauses.
7821 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7822 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7823 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7824 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7825 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7826 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7827 Adjust output for GOMP_PARALLEL.
7828 (dump_omp_clauses): New.
7829 (print_declaration): Dump DECL_VALUE_EXPR.
7830 (op_symbol_1): Split out of op_symbol.
7831 (dumping_stmts): Remove. Update all users.
7832 * cgraph.c (cgraph_analyze_queue): New.
7833 (cgraph_add_new_function): New.
7834 * cgraph.h (cgraph_analyze_queue): Declare.
7835 (cgraph_add_new_function): Declare.
7836 (cgraph_lower_function): Remove.
7837 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7838 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7839 and TYPE_P nodes in its default clause.
7840 (empty_body_p): New.
7841 (tree_range_check_failed): New.
7843 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7844 OMP_CLAUSE_REDUCTION_MERGE,
7845 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7846 OMP_CLAUSE_PRIVATE_DEBUG,
7847 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7848 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7849 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7850 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7851 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7852 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7853 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7854 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7855 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7856 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7857 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7858 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7859 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7860 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7861 (TREE_RANGE_CHECK): New.
7862 (empty_body_p): Declare.
7863 (enum omp_clause_default_kind): New.
7864 (build_string_literal): Declare.
7865 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7866 (build5_stat, build5): Declare.
7867 * tree-pass.h (TDF_CHAIN): Define.
7868 * tree-pass.h (PROP_gimple_lomp): Define.
7869 (pass_lower_omp): Declare.
7870 * diagnostic.h (debug_tree_chain): Declare.
7871 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7873 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7874 * builtins.c (build_string_literal): Make extern.
7875 * gcc.c (include_spec_function): New.
7876 (static_spec_functions): Add it.
7877 (main): Move load of libgomp.spec ...
7878 (LINK_COMMAND_SPEC): ... here.
7879 (link_gomp_spec): New.
7880 (static_specs): Include it.
7881 (LINK_COMMAND_SPEC): Add link_gomp.
7882 (GOMP_SELF_SPECS): New.
7883 (driver_self_specs): Include it.
7884 (switch_matches): Don't mark inline.
7885 (main): Load libgomp.spec.
7886 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7887 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7888 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7889 * tree-gimple.h (enum omp_parallel): Declare.
7890 (determine_parallel_type): Declare.
7891 (omp_firstprivatize_variable): Declare.
7892 (omp_reduction_init): Declare.
7893 (diagnose_omp_structured_block_errors): Declare.
7894 (struct walk_stmt_info): Add want_return_expr.
7895 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7896 (find_omp_clause): Declare.
7897 (insert_field_into_struct): Declare.
7898 (struct walk_stmt_info): Move from tree-nested.c
7899 (walk_stmts): Declare.
7900 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7902 * cgraphunit.c (cgraph_lower_function): Make static.
7903 (cgraph_finalize_pending_functions): New.
7904 (cgraph_finalize_function): Call it.
7905 (cgraph_finalize_compilation_unit): Likewise.
7906 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7907 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7908 (BT_FN_UINT_UINT): New.
7909 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7910 DEF_FUNCTION_TYPE_VAR_4): Document.
7911 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7912 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7913 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7914 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7915 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7916 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7917 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7918 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7919 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7920 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7921 into separate files.
7922 (DEF_GOMP_BUILTIN): New.
7923 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7924 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7925 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7926 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7927 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7928 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7929 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7930 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7931 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7932 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7933 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7934 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7935 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7936 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7937 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7938 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7939 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7940 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7941 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7942 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7943 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7944 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7945 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7946 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7947 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7948 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7949 * sync-builtins.def: New file, moved from builtins.def.
7950 * omp-builtins.def: New file, moved from builtins.def.
7951 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7952 * gimple-low.c (lower_function_body): Clear data.
7953 (lower_stmt): Do not handle COMPOUND_EXPR.
7954 Remove call to print_node_brief.
7955 * c-tree.h (c_finish_omp_clauses): New prototype.
7956 (C_DECL_THREADPRIVATE_P): Define.
7957 (lookup_name_no_remap, c_omp_remap_private): Remove
7958 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7959 (check_for_loop_decls): Update decl.
7960 (lookup_name_no_remap, c_omp_remap_private): Declare.
7961 (build_indirect_ref, build_modify_expr, pushdecl,
7962 pushdecl_top_level): Move to c-common.h.
7963 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7964 before the switch, but just in the 2 places that need it.
7965 * c-decl.c (diagnose_mismatched_decls): Do not check for
7966 mismatched thread-local attributes when OLDDECL is marked
7967 threadprivate and NEWDECL has no thread-local attributes.
7968 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7969 (c_gimple_diagnostics_recursively): Rename from
7970 c_warn_unused_result_recursively. Invoke
7971 diagnose_omp_structured_block_errors.
7972 (check_for_loop_decls): Return a singular decl found.
7973 * langhooks.c (lhd_omp_predetermined_sharing): Return
7974 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7975 (lhd_omp_firstprivatize_type_sizes): New.
7976 (lhd_omp_assignment): New.
7977 (lhd_omp_predetermined_sharing): New.
7978 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7979 (struct lang_hooks_for_types): Add
7980 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7981 omp_predetermined_sharing, omp_disregard_value_expr,
7982 omp_private_debug_clause, omp_clause_default_ctor,
7983 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7984 (c_finish_omp_clauses): New.
7985 (c_finish_bc_stmt): Diagnose break within omp for.
7986 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7987 (build_unary_op): Return error_mark after reporting
7989 (build_modify_expr): Likewise.
7990 * gimplify.c: Include optabs.h and pointer-set.h.
7991 (enum gimplify_omp_var_data): Declare.
7992 (struct gimplify_omp_ctx): Declare.
7993 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7995 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7996 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7997 (splay_tree_compare_decl_uid): New.
7998 (new_omp_context): New.
7999 (delete_omp_context): New.
8000 (gimple_add_tmp_var): Call omp_add_variable.
8001 (gimplify_bind_expr): Likewise.
8002 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8003 true, disregard DECL_VALUE_EXPR on the decl if any.
8004 (gimplify_expr_in_ctx): New.
8005 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8006 omp_add_variable, omp_notice_variable, omp_is_private
8007 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8008 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8009 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8010 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8011 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8012 gimplify_omp_atomic): New.
8013 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8014 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8015 OMP_CRITICAL and OMP_ATOMIC.
8016 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8017 * c-pragma.h (enum pragma_kind): Add
8018 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8019 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8020 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8021 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8022 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8023 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8024 PRAGMA_OMP_THREADPRIVATE.
8025 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8026 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8027 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8028 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8029 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8030 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8031 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8032 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8033 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8034 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8035 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8036 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8037 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8039 (struct nesting_info): Add field_map,
8040 suppress_expansion, debug_var_chain.
8041 (create_nesting_tree): Initialize them.
8042 (lookup_field_for_decl): Use field_map.
8043 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8044 (convert_local_omp_clauses): New.
8045 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8046 (walk_body): Split out of walk_function.
8047 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8048 (convert_nonlocal_reference): Handle omp statements.
8049 (convert_local_reference): Likewise.
8050 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8051 (unnest_nesting_tree): New.
8052 (lower_nested_functions): Call it.
8053 (insert_field_into_struct): Make extern.
8054 (struct walk_stmt_info): Move to tree-gimple.h.
8055 (walk_stmts): Make extern.
8056 * omp-builtins.def: New file.
8057 * tree-iterator.c (expr_only): Clarify comment.
8058 * c-common.h (pushdecl_top_level, pushdecl,
8059 build_modify_expr, build_indirect_ref,
8060 c_finish_omp_master, c_finish_omp_critical,
8061 c_finish_omp_ordered, c_finish_omp_barrier,
8062 c_finish_omp_atomic, c_finish_omp_flush,
8063 c_finish_omp_for, c_split_parallel_clauses,
8064 omp_clause_default_kind, c_omp_sharing_predetermined,
8065 c_omp_remap_decl): Declare.
8066 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8067 (OBJS-common): Add omp-low.o.
8068 (c-omp.o, omp-low.o): Add.
8069 (gimplify.o): Add dependency on $(OPTABS_H).
8070 (GTFILES): Add omp-low.c.
8071 (gt-stringpool.h): Add.
8072 * tree-cfg.c (set_bb_for_stmt): Do not update the
8073 block-to-labels map if we are currently expanding to RTL.
8074 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8076 Handle IDENTIFIER_NODE.
8077 (tree_verify_flow_info): Do not ICE when emitting error
8078 messages about invalid labels.
8079 (dump_function_to_file): Reset CFUN before emitting the body
8081 (debug_function): New.
8082 * passes.c (init_optimization_passes): Schedule
8084 * langhooks-def.h (lhd_omp_predetermined_sharing,
8085 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8087 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8088 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8089 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8090 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8091 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8092 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8093 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8094 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8095 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8096 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8097 (LANG_HOOK_DECLS): Use them.
8099 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8100 Richard Henderson <rth@redhat.com>
8101 Jakub Jelinek <jakub@redhat.com>
8102 Diego Novillo <dnovillo@redhat.com>
8104 * c-parser.c (pragma_omp_clause): Define.
8105 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8106 (c_parser_compound_statement): Likewise.
8107 (c_parser_statement): Likewise.
8108 (c_parser_pragma): Handle omp pragmas.
8109 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8110 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8111 (c_parser_omp_clause_name, check_no_duplicate_clause,
8112 c_parser_omp_variable_list,
8113 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8114 c_parser_omp_clause_copyprivate,
8115 c_parser_omp_clause_default,
8116 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8117 c_parser_omp_clause_lastprivate,
8118 c_parser_omp_clause_nowait,
8119 c_parser_omp_clause_num_threads,
8120 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8121 c_parser_omp_clause_reduction,
8122 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8123 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8124 c_parser_omp_atomic, c_parser_omp_barrier,
8125 c_parser_omp_critical, c_parser_omp_flush,
8126 c_parser_omp_for_loop, c_parser_omp_for,
8127 c_parser_omp_master, c_parser_omp_ordered,
8128 c_parser_omp_sections_scope, c_parser_omp_sections,
8129 c_parser_omp_parallel, c_parser_omp_single,
8130 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8131 * c-pragma.c (init_pragma): Do omp pragma registration here.
8132 * c.opt (fopenmp): New flag.
8134 2006-01-18 Eric Christopher <echristo@apple.com>
8136 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8137 * config/darwin.h (GOMP_SELF_SPECS): Define.
8139 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8141 * rtl.h: Remove the prototype for reg_alloc.
8143 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8146 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8147 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8148 sjlj and dwarf2 exception handling.
8149 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8150 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8151 * pa/pa.c (function_value): Treat complex and vector types as
8153 (function_arg): Likewise. Only pass scalar floats in the floating
8154 point argument registers.
8155 * pa/t-slibgcc-dwarf-ver: New file.
8156 * pa/t-slibgcc-sjlj-ver: New file.
8157 * pa/t-slibgcc-elf-ver: Delete file.
8159 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8161 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8162 unlikely_test_section_p test.
8164 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8166 * mode-switching.c (optimize_mode_switching): Make it static.
8167 * basic-block.h: Remove the prototype for
8168 optimize_mode_switching.
8170 * modulo-sched.c (sms_schedule): Make it static.
8171 * rtl.h: Remove the prototype for sms_schedule.
8173 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8174 * rtl.h: Remove the prototype for gcse_after_reload_main.
8176 * reg-stack.c (reg_to_stack): Make it static.
8177 * rtl.h: Remove the prototype for reg_to_stack.
8179 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8181 * rtl.h: Remove the prototypes for regrename_optimize and
8182 copyprop_hardreg_forward.
8184 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8186 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8187 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8188 Test against the appropriate null constant for the mode.
8189 If 'fixup_overlap' is true, swap the operands if they overlap.
8190 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8191 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8192 alpha_split_tmode_pair and adjust for above change.
8193 * config/alpha/alpha.md (movtf_internal): Adjust call to
8194 alpha_split_tfmode_pair and rely on it to swap the operands.
8195 (movti_internal): New insn and post-reload splitter.
8196 (movti): New expander.
8198 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8200 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8203 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8205 * rtlanal.c (global_reg_mentioned_p_1,
8206 global_reg_mentioned_p): Remove.
8207 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8209 * flow.c (initialize_uninitialized_subregs): Make it static.
8210 * rtl.h: Remove the prototype for
8211 initialize_uninitialized_subregs.
8213 * function.c (instantiate_virtual_regs): Make it static.
8214 * function.h: Remove the prototype for
8215 instantiate_virtual_regs.
8217 * regmove.c (regmove_optimize, combine_stack_adjustments):
8219 * rtl.h: Remove the prototypes for regmove_optimize and
8220 combine_stack_adjustments.
8222 2006-01-17 Roger Sayle <roger@eyesopen.com>
8224 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8225 (size_cost): Encode costs in bytes so that a reg-reg addition is
8226 equivalent to COSTS_N_INSNS(1).
8227 (override_options): Use the size_cost.branch_cost as the default
8228 ix86_branch_cost when optimizing for size.
8230 2006-01-18 Ben Elliston <bje@au.ibm.com>
8232 * Makefile.in (D32PBIT_FUNCS): New.
8233 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8234 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8235 D64PBIT_FUNCS and D128PBIT_FUNCS.
8236 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8237 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8239 (decnumber_dep): Define.
8240 * doc/libgcc.texi (Decimal float library routines): New node.
8241 * config/dfp-bit.h, config/dfp-bit.c: New files.
8243 2006-01-18 Ben Elliston <bje@au.ibm.com>
8245 * expr.c (emit_move_change_mode): Always adjust addresses, not
8246 just during reload. Copy replacements only during reload.
8247 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8248 emit_move_via_integer.
8250 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8252 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8253 instead of $(srcdir) and ${srcdir}.
8255 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8259 * arm.h (struct machine_function): Add pic_reg.
8260 * arm.c (arm_pic_register): Make unsigned.
8261 (arm_override_options): Only set arm_pic_register if
8262 TARGET_SINGLE_PIC_BASE.
8263 (use_return_insn): Only test for a pic register if it is fixed.
8264 (arm_compute_save_reg0_reg12_mask): Likewise.
8265 (thumb_compute_save_reg_mask): Likewise.
8266 (legitimate_pic_operand): Factor out some known invariants.
8267 (legitimize_pic_address): If we don't have a fixed pic register,
8268 then set up a pseudo in the function entry sequence. Handle the
8269 pic base being in a pseudo.
8270 (arm_load_pic_register): Handle the pic register being in a pseudo.
8271 (arm_expand_prologue): Only set up the pic register if it is fixed.
8272 (thumb_expand_prologue): Likewise.
8273 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8274 (pic_load_addr_based_insn): Likewise.
8275 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8278 2006-01-18 Ben Elliston <bje@au.ibm.com>
8280 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8281 decimal float modes for all floating point registers.
8283 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8284 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8286 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8289 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8290 even when the pointer is not NULL.
8292 2006-01-16 Ian Lance Taylor <ian@airs.com>
8294 * common.opt (ftoplevel-reorder): New option.
8295 * cgraph.c (cgraph_asm_nodes): New global variable.
8296 (cgraph_asm_last_node): New static variable.
8297 (cgraph_order): New global variable.
8298 (cgraph_create_node): Set new order field.
8299 (cgraph_varpool_node): Likewise.
8300 (decide_is_variable_needed): Return true if not
8301 flag_toplevel_reorder.
8302 (cgraph_add_asm_node): New function.
8303 * cgraph.h (struct cgraph_node): Add order field.
8304 (struct cgraph_varpool_node): Add order field.
8305 (struct cgraph_asm_node): Define.
8306 (cgraph_asm_nodes, cgraph_order): Declare.
8307 (cgraph_add_asm_node): Declare.
8308 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8310 (cgraph_varpool_assemble_pending_decls): Call it.
8311 (cgraph_output_pending_asms): New static function.
8312 (cgraph_finalize_compilation_unit): Call it.
8313 (struct cgraph_order_sort): Define.
8314 (cgraph_output_in_order): New static function.
8315 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8316 !flag_toplevel_reorder case.
8317 * c-parser.c: Include "cgraph.h".
8318 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8320 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8321 than -fno-unit-at-a-time.
8322 * doc/invoke.texi (Option Summary): Mention
8323 -fno-toplevel-reorder.
8324 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8325 -funit-at-a-time documentation.
8327 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8328 Kazu Hirata <kazu@codesourcery.com>
8330 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8332 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8334 * Makefile.in (FUNCTION_H): New. Use it instead of
8335 function.h throughout the file.
8336 * function.h: Include tree.h.
8338 2006-01-17 Ben Elliston <bje@au.ibm.com>
8340 * recog.c: Separate some functions with whitespace.
8342 2006-01-16 Richard Henderson <rth@redhat.com>
8344 Merge from gomp branch:
8345 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8346 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8347 and rename from struct inline_data. Rename callee* to dst*;
8348 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8349 transform_new_cfg, transform_return_to_modify, and
8350 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8352 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8353 (copy_decl_for_dup): Remove.
8354 * tree-inline.c (struct inline_data): Move to header.
8355 (insert_decl_map): Export.
8356 (remap_decl): Update for member name changes. Use copy_decl hook.
8357 Allow for replacement to be a non-decl. Remove dead code.
8358 (remap_type_1): Check for existing mapping.
8359 (remap_type): Export.
8360 (remap_decls): Update for member name changes.
8361 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8362 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8363 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8364 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8365 (tree_function_versioning, build_duplicate_type): Likewise.
8366 (copy_body_r): Likewise. Export.
8367 (copy_decl_for_dup): Split into ...
8368 (copy_decl_for_dup_finish, copy_decl_to_var,
8369 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8370 (replace_ref_tree, inlining_p): Remove.
8372 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8374 * ifcvt.c (if_convert): Make it static.
8375 * rtl.h: Remove the prototype for if_convert.
8377 * local-alloc.c (local_alloc): Make it static.
8378 * rtl.h: Remove the prototype for local_alloc.
8380 * loop.c (loop_optimize): Make it static.
8381 * cfgloop.h: Remove the prototype for loop_optimize.
8384 2006-01-16 DJ Delorie <dj@redhat.com>
8386 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8389 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8391 * pa.md: Disparage copies between general and floating-point registers
8392 in 32-bit move patterns.
8394 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8397 * Makefile.in (check-%): Depend on site.exp instead of
8398 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8401 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8403 * global.c (global_alloc): Make it static.
8404 * rtl.h: Remove the prototype for global_alloc.
8406 2006-01-16 Richard Guenther <rguenther@suse.de>
8408 * tree-ssa-alias.c (struct used_part): Add write_only field.
8409 (get_or_create_used_part_for): Initialize it to true.
8410 (create_overlap_variables_for): Don't create structure variables
8411 for structures that only are written to.
8412 (find_used_portions): Handle MODIFY_EXPR to track whether a
8413 structure is only written to.
8415 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8417 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8419 * basic-block.h: Remove the prototype for
8420 partition_hot_cold_basic_blocks.
8422 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8424 * cppspec.c (lang_specific_spec_functions): Remove.
8425 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8426 * gcc.h (lang_specific_spec_functions): Remove.
8427 * gccspec.c (lang_specific_spec_functions): Remove.
8429 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8431 * combine.c (record_value_for_reg): Invalidate registers
8433 (record_dead_and_set_regs_1): Likewise, by passing them to
8434 record_value_for_reg.
8435 (record_dead_and_set_regs): Invalidate stores made by a
8436 call. We do not combine across a call, but we still
8437 relied on equivalences.
8439 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8441 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8442 vrp_int_const_binop returning non-constant nodes.
8444 2006-01-16 Paul Brook <paul@codesourcery.com>
8446 * config/m68k/m68k.c (output_move_const_into_data_reg):
8447 Output correct mnemonic for mvz and mvs.
8449 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8451 * rtl-factoring.c: Add sequence abstraction algorithm.
8452 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8453 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8455 (block_has_preserve_label): New function.
8456 * common.opt: Register new pass.
8457 * Makefile.in: Ditto.
8459 * timevar.def: Ditto.
8460 * tree-pass.h: Ditto.
8461 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8462 * rtl.h (make_jump_insn_raw): Add forward decl.
8463 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8465 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8466 Roger Sayle <roger@eyesopen.com>
8468 * fold-const.c (fold_minmax): New static function.
8469 (fold_binary) <MIN_EXPR>: Call it.
8470 <MAX_EXPR>: Likewise.
8471 * stor-layout.c (place_field): Use DECL_SIZE consistently
8472 in the computation of the new record size.
8474 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8476 * cse.c (cse_condition_code_reg): Make it static.
8477 * rtl.h: Remove the prototype for cse_condition_code_reg.
8479 * combine.c (combine_instructions): Make it static.
8480 * rtl.h: Remove the prototype for combine_instructions.
8482 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8485 * tree.c (get_file_function_name_long): Concatenate the first global
8486 object name with a string derived from the input filename of the object
8489 2006-01-16 Ben Elliston <bje@au.ibm.com>
8491 * config/i386/winnt-stubs.c: Update FSF address.
8492 * config/xtensa/ieee754-df.S: Ditto.
8493 * config/xtensa/ieee754-sf.S: Ditto.
8495 2006-01-14 Ian Lance Taylor <ian@airs.com>
8497 * ifcvt.c (noce_init_if_info): New static function, broken out of
8498 noce_process_if_block.
8499 (noce_process_if_block): Call noce_init_if_info.
8500 (check_cond_move_block): New static function.
8501 (cond_move_process_if_block): New static function.
8502 (process_if_block): Call cond_move_process_if_block.
8504 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8506 * cselib.c (hash_table): Rename to cselib_hash_table.
8507 (cselib_clear_table, discard_useless_values,
8508 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8509 cselib_init, cselib_finish): Adjust uses of hash_table.
8511 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8513 PR tree-optimization/25485
8514 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8515 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8516 is known to be false and true, respectively.
8518 2006-01-14 Richard Guenther <rguenther@suse.de>
8520 PR tree-optimization/22548
8521 PR tree-optimization/22555
8522 PR tree-optimization/22501
8523 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8524 * params.def (salias-max-array-elements): New parameter.
8525 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8526 * doc/invoke.texi (salias-max-array-elements): Document.
8527 * tree-flow-inline.h (var_can_have_subvars): We also handle
8529 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8531 * tree-ssa-structalias.c (params.h): Include.
8532 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8533 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8534 (get_constraint_for): For ADDR_EXPR operating on something
8535 containing an ARRAY_REF, add all subvars to the solution.
8536 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8537 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8538 for creating MUST_DEFs.
8539 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8541 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8543 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8545 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8546 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8547 number_of_iterations_le): New functions.
8548 (number_of_iterations_special): Removed.
8549 (number_of_iterations_exit): Do not use number_of_iterations_special.
8550 * tree.c (unsigned_type_for): Always return integer type.
8552 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8553 Richard Guenther <rguenther@suse.de>
8555 PR rtl-optimization/24257
8556 * gcse.c (find_moveable_store): Only consider a store movable
8557 when the SET_SRC of the insn can be assigned to a register.
8559 2006-01-14 Ian Lance Taylor <ian@airs.com>
8561 * tree.c (tree_not_class_check_failed): New function.
8562 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8563 (tree_not_class_check_failed): Declare.
8565 2006-01-13 Ian Lance Taylor <ian@airs.com>
8567 * reload1.c (do_output_reload): Add assertion rejecting a
8570 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8572 * combine.c (struct reg_stat): Add new fields truncation_label and
8574 (record_value_for_reg): Reset truncated_to_mode.
8575 (record_truncated_value): New function.
8576 (check_promoted_subreg): Call it. Rename to check_conversions.
8577 (combine_instructions): Rename check_promoted_subreg to
8579 (reg_truncated_to_mode): New function.
8580 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8581 (gen_lowpart_or_truncate): New function.
8582 (force_to_mode): Use it instead of gen_lowpart.
8584 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8586 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8587 VAR is a tag, not its type tag.
8589 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8591 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8592 alternatives to match style of other entries.
8593 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8595 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8597 PR tree-optimization/25771
8598 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8601 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8604 * tree-inline.c (declare_return_variable): If the return variable
8605 was marked as a non gimple complex, set the return slot variable
8606 to be a non gimple comple variable.
8608 2006-01-13 Richard Guenther <rguenther@suse.de>
8610 * builtins.c (expand_builtin_sincos): New function.
8611 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8613 (expand_builtin): Expand sincos using expand_builtin_sincos.
8615 2006-01-12 DJ Delorie <dj@redhat.com>
8617 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8618 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8619 so that constant shifts can be split.
8620 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8621 (m32c_valid_pointer_mode): Make static.
8622 (shift_gen_func_for): New.
8623 (m32c_prepare_shift): Use it. Split large const shifts into
8625 * config/m32c/predicates.md (shiftcount_operand): Allow more
8627 (longshiftcount_operand): New.
8628 * doc/md.texi (Machine Constraints): Document In6.
8630 2006-01-13 Ben Elliston <bje@au.ibm.com>
8632 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8633 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8636 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8638 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8639 to try to avoid clobbering pieces of structures when we know
8640 something about the whole structure.
8641 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8643 2006-01-13 Ben Elliston <bje@au.ibm.com>
8645 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8646 return in memory, as this is no limitation is no longer present.
8648 2006-01-12 DJ Delorie <dj@redhat.com>
8650 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8651 mova with fb, and for fb+0 -> An.
8653 * config/m32c/mov.md (peephole2): Fix enabling logic.
8655 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8656 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8657 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8658 FINI_ARRAY_SECTION_ASM_OP): Define.
8660 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8662 (m32c_legitimize_reload_address): New logic to reload FB to An.
8663 (m32c_output_reg_push): Add newline.
8664 (m32c_output_reg_pop): Likewise.
8666 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8668 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8670 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8672 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8674 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8676 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8679 2006-01-11 Ben Elliston <bje@au.ibm.com>
8681 * rtlanal.c (find_reg_note): Assert insn is not null.
8683 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8685 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8688 2006-01-11 Jeff Law <law@redhat.com>
8690 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8692 (mark_threaded_blocks, register_jump_thread): New functions.
8693 (thread_through_all_blocks): Remove unwanted argument. No
8694 longer rely on e->aux to communicate thread target info.
8695 Call mark_threaded_blocks. Release the threaded_blocks
8696 bitmap and threaded_edges vector when complete.
8697 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8698 (threaded_blocks): Remove.
8699 (tree_ssa_dominator_optimize): Remove initialization and
8700 finalization of threaded_blocks. Simplify call to
8701 thread_through_all_blocks.
8702 (thread_across_edge): Call register_jump_thread rather than
8703 storing thread information into e->aux.
8704 (free_all_edge_infos): Simplify now that e->aux is no longer
8705 used to communicate with thread_through_all_blocks.
8706 * tree-flow.h (thread_through_all_blocks): Update prototype.
8707 (register_jump_thread): Prototype.
8709 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8711 * df-core.c (df_compact_blocks, df_bb_replace): Use
8712 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8714 2006-01-11 Richard Guenther <rguenther@suse.de>
8716 PR tree-optimization/25734
8717 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8718 stop propagation after successful propagation to the LHS.
8720 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8722 * basic-block.h (control_flow_graph): Change the type of
8723 x_basic_block_info to VEC(basic_block,gc) *.
8724 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8726 (SET_BASIC_BLOCK): New.
8727 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8728 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8729 * cfgbuild.c (find_basic_blocks): Likewise.
8730 * cfglayout.c (fixup_reorder_chain): Likewise.
8731 * cfgrtl.c (create_basic_block_structure,
8732 rtl_create_basic_block): Likewise.
8733 * ifcvt.c (find_if_case_1): Likewise.
8734 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8737 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8739 * Makefile.in: Removed rotted odf.c entry.
8741 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8744 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8745 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8746 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8747 output pattern modifier, not %e.
8748 * config/cris/cris.c (cris_op_str): Update comment about pattern
8750 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8751 before falling through into...
8752 <case 'E'>: Redefined from old 'e' case.
8754 2006-01-11 Jan Hubicka <jh@suse.cz>
8757 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8759 2006-01-11 Jan Hubicka <jh@suse.cz>
8761 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8762 * i386.c (x86_decompose_lea): Kill.
8763 (ix86_rtx_costs): Kill.
8765 2006-01-11 Jan Hubicka <jh@suse.cz>
8767 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8768 * cgraph.h (cgraph_node): Add inline_decl.
8769 (cgraph_insert_node_to_hashtable): Declare.
8770 (save_inline_function_body): Declare.
8771 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8773 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8774 (cgraph_function_versioning): Update call of tree_function_versioning.
8775 (save_inline_function_body): New function.
8776 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8777 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8778 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8779 (cgraph_default_inline_p): Likewise.
8780 (cgraph_decide_inlining_incrementally): Likewise.
8781 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8782 (copy_bb): Kill saving; do updating of clones.
8783 (copy_cfg_body): Kill saving.
8784 (initialize_inlined-parameters): Likewise.
8785 (expand_call_inline): Likewise.
8787 (tree_function_versioning): New parameter "update_clones".
8788 (inlining_p): Kill saving.
8789 * tree-inline.h (tree_function_versioning): Update prototype.
8790 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8793 2006-01-11 Ian Lance Taylor <ian@airs.com>
8795 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8796 Allow undoing set of machine mode.
8797 (do_SUBST): Use enums instead of is_int.
8798 (do_SUBST_MODE): New function.
8799 (SUBST_MODE): New macro.
8800 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8801 reg and trying to replace reg_regno_rtx with a new register.
8802 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8803 (simplify_set): Use SUBST_MODE.
8804 (distribute_notes): Remove code that tried to update reg notes
8805 for regno_reg_rtx changes.
8807 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8809 PR tree-optimization/23109
8810 PR tree-optimization/23948
8811 PR tree-optimization/24123
8813 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8814 * tree-cfg.c (single_noncomplex_succ): New.
8815 * tree-flow.h (single_noncomplex_succ): Declare it.
8816 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8817 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8818 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8819 insert_bb, register_division_in, insert_reciprocals,
8820 replace_reciprocal, free_bb): New.
8821 (execute_cse_reciprocals_1): Rewritten.
8822 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8823 Do not commit any edge insertion. Always compute dominators and
8824 create the allocation pool.
8825 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8826 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8827 * targhooks.c (default_min_divistions_for_recip_mul): New.
8828 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8829 * passes.c (init_optimization_passes): Run recip after tree loop
8831 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8833 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8834 Kenneth Zadeck <zadeck@naturalbridge.com>
8836 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8837 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8838 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8839 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8840 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8841 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8842 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8843 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8844 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8845 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8846 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8847 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8848 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8849 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8850 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8851 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8852 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8853 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8854 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8855 DF_SCAN_POST_ALLOC): New macros.
8856 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8857 df_free_bb_function, df_local_compute_function, df_init_function,
8858 df_dataflow_function, df_confluence_function_0,
8859 df_confluence_function_n, df_transfer_function,
8860 df_finalizer_function, df_free_function, df_dump_problem_function,
8861 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8862 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8863 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8864 df_urec_bb_info, ) New types.
8865 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8867 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8868 df_analyze_simple_change_some_blocks,
8869 df_analyze_simple_change_one_block, df_compact_blocks,
8870 df_bb_replace, df_bb_regno_last_use_find,
8871 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8872 df_insn_regno_def_p, df_find_def, df_find_use,
8873 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8874 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8875 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8876 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8877 debug_df_chain, df_get_dependent_problem, df_chain_create,
8878 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8879 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8880 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8881 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8882 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8883 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8884 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8885 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8886 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8887 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8888 df_reorganize_refs, df_set_state, df_hard_reg_init,
8889 df_read_modify_subreg_p) New public functions.
8890 * df-core.c: The core dataflow solver and glue routines for rtl
8892 (df_init, df_add_problem, df_set_blocks, df_finish,
8893 df_hybrid_search_forward, df_hybrid_search_backward,
8894 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8895 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8896 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8897 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8898 df_reg_defined, df_find_use, df_reg_used, df_dump,
8899 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8900 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8901 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8902 debug_df_useno, reset_df_after_reload): New functions.
8903 * df-scan.c: The scanning fuctions, once in df.c, completely
8904 rewritten so that they now fully model the functionality of
8905 register usage at the backend.
8906 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8907 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8908 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8909 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8910 df_get_artificial_defs, df_get_artificial_uses,
8911 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8912 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8913 df_refs_delete, df_reorganize_refs, df_set_state,
8914 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8915 df_def_record_1, df_defs_record, df_uses_record,
8916 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8917 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8918 df_record_exit_block_uses, df_hard_reg_init): New functions.
8920 * df-problems.c: Seven concrete dataflow problems that use the
8921 scanning in df-scan.c and are solved by the engine in df-core.c.
8922 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8923 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8924 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8925 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8926 df_ru_free_bb_info, df_ru_alloc,
8927 df_ru_bb_local_compute_process_def,
8928 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8929 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8930 df_ru_transfer_function, df_ru_free, df_ru_dump,
8931 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8932 df_rd_free_bb_info, df_rd_alloc,
8933 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8934 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8935 df_rd_transfer_function, df_rd_free, df_rd_dump,
8936 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8937 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8938 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8939 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8940 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8941 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8942 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8943 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8944 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8945 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8946 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8947 df_urec_mark_reg_use_for_earlyclobber,
8948 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8949 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8950 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8951 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8952 df_chain_create_bb_process_use, df_chain_create_bb,
8953 df_chain_finalize, df_chain_free, df_chains_dump,
8954 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8955 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8956 df_reg_lifetime): New functions.
8957 * df.c: Deleted file.
8958 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8959 consistent with new df api.
8960 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8961 rest_of_handle_sms): Ditto.
8962 * web.c (unionfind_union, union_defs, entry_register, web_main):
8964 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8965 invariant_expr_equal_p, find_defs, check_dependencies,
8966 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8967 free_inv_motion_data, move_loop_invariants): Ditto.
8968 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8969 Update dependencies.
8970 (odf.c): Added defective entry that was deleted later in day.
8971 * sched-deps.c (sched_analyze_1): Ditto.
8973 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8975 * tree-ssa-operands.c (get_expr_operands): Record addressable
8976 variables directly. Do not call add_stmt_operands for CONST_DECLs
8978 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8979 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8981 2006-01-11 Ben Elliston <bje@au.ibm.com>
8983 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8984 function returns true in the positive case.
8986 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8989 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8990 for SI, DI, SF and DF modes. Add alternatives to copy between
8991 general and floating point registers to the 32-bit patterns.
8992 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8993 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8994 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8995 generating 64-bit code.
8996 * config/pa/pa.c (output_move_double): Handle copies between general
8997 and floating registers.
8999 2006-01-10 Stuart Hastings <stuart@apple.com>
9001 * config/i386/i386.md (set_got): Update.
9002 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9003 (builtin_setjmp_receiver): Mach-O support.
9004 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9005 (GOT_SYMBOL_NAME): Define.
9006 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9007 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9008 * config/i386/i386.c (override_options): Revise for Darwin.
9009 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9010 support. (darwin_x86_file_end): New. (output_set_got): Add label
9011 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9012 * config/i386/i386-protos.h (output_set_got): Likewise.
9013 * config/darwin.c (machopic_legitimize_pic_address): Update
9016 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9018 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9019 when MODE isn't BLKmode.
9021 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9023 PR rtl-optimization/25367
9024 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9026 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9029 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9030 for a negative bound.
9032 2006-01-10 Richard Guenther <rguenther@suse.de>
9034 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9035 Never override with anything constraint.
9037 2006-01-10 Jan Beulich <jbeulich@novell.com>
9039 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9040 256 bits when optimize_size.
9042 2006-01-10 Jan Beulich <jbeulich@novell.com>
9044 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9046 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9047 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9050 2006-01-10 Ben Elliston <bje@au.ibm.com>
9052 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9054 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9055 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9056 (USE_FP_FOR_ARG): Reject decimal float modes.
9057 (function_arg_advance): Likewise.
9058 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9059 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9060 point types in AltiVec vectors.
9061 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9062 (rs6000_libcall_value): Likewise.
9064 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9066 * config/xtensa/ieee754-df.S: New file.
9067 * config/xtensa/ieee754-sf.S: New file.
9068 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9069 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9070 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9072 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9074 * config/sh/predicates.md (binary_float_operator,
9075 binary_logical_operator, commutative_float_operator,
9076 equality_comparison_operator, greater_comparison_operator,
9077 less_comparison_operator, logical_operator,
9078 noncommutative_float_operator, shift_operator,
9079 symbol_ref_operand, unary_float_operator): Remove redundant
9082 2006-01-09 Jeff Law <law@redhat.com>
9084 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9085 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9086 now unused arguments. Callers updated.
9087 (eliminate_redundant_computations): Remove now unused arguments,
9089 (local_fold): Remove, no longer used.
9090 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9092 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9093 (simplify_cond): New function.
9094 (forward_propagate_into_cond): Call simplify_cond.
9096 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9098 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9099 (*vec_extractv2di_1_sse): New.
9101 2006-01-09 Ben Elliston <bje@au.ibm.com>
9103 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9105 2006-01-08 Richard Guenther <rguenther@suse.de>
9107 * tree-ssa-structalias.c (get_constraint_for): Remove
9109 (get_constraint_for_component_ref): Likewise.
9110 (do_deref): Likewise.
9111 (get_constraint_for): Likewise.
9112 (do_structure_copy): Likewise.
9113 (handle_ptr_arith): Likewise.
9114 (find_func_aliases): Likewise. Remove unused need_anyoffset
9117 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9118 Kaz Kojima <kkojima@gcc.gnu.org>
9120 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9121 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9122 (EXTRA_CONSTRAINT_C16): Remove.
9123 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9124 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9125 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9126 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9127 constants of SHmedia. Handle nested constant expressions of
9129 (andcosts): Fix the costs for SHmedia constants.
9130 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9131 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9132 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9133 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9134 (movv4hi_i, movv2si_i): Likewise.
9135 (movsi_const): Adjust the second operand of ior so to match with
9137 (movdi_const, movdi_const_32bit): Likewise.
9138 (movdi_const_16bit+1): Don't sign-extend LOW.
9139 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9141 (*double_shori): Fix the split condition. Use GEN_INT instead
9142 of get_int_mode calls. Mask lower 16-bit of the argument of
9144 (sym2GOTPLT): Remove.
9145 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9147 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9148 instead of EXTRA_CONSTRAINT_C16.
9150 2006-01-07 Ian Lance Taylor <ian@airs.com>
9151 David Edelsohn <edelsohn@gnu.org>
9153 PR rtl-optimization/25662
9154 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9155 for constant operands instead of simplify_gen_binary.
9156 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9157 after trying simplify_binary_operation
9159 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9161 * tree.c (iterative_hash_expr): Hash decls based on UID.
9163 2006-01-06 Eric Christopher <echristo@apple.com>
9165 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9166 (TARGET_UNWIND_EMIT): Fix spelling.
9167 * target.h (gcc_target): Add except_table_label.
9168 * except.c (output_function_exception_table): Use.
9169 * varasm.c (default_emit_except_table_label): New.
9170 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9172 (asm_out): Add here.
9173 * output.h (default_emit_except_table_label): Prototype.
9174 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9175 * config/darwin.c (darwin_emit_except_table_label): Define.
9176 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9178 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9180 PR tree-optimization/18527
9181 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9182 number_of_iterations_special, number_of_iterations_exit):
9183 Move base and step of an iv to a single structure. Add
9184 no_overflow flag, and use it in # of iterations analysis.
9185 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9186 folded_casts argument.
9187 (simple_iv): Pass base and step in a structure. Set no_overflow
9189 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9190 Evaluate expensiveness of computing # of iterations instead of
9191 the final expression.
9192 * tree-scalar-evolution.h (affine_iv): New structure.
9193 (simple_iv): Declaration changed.
9194 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9195 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9196 find_givs_in_stmt): Changed due to simple_iv change.
9198 2006-01-06 Jeff Law <law@redhat.com>
9201 * tree-cfg.c (bsi_replace): Rename final argument from
9202 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9203 change (stmt -> orig_stmt).
9204 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9205 (bsi_remove): Add new argument. Remove EH information
9207 (verify_eh_throw_table_statements): New function.
9208 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9210 * tree-optimize.c (execute_free_cfg_annotations): Verify
9211 the EH throw statement table after removing annotations.
9212 * except.h (verify_eh_throw_table_statements): Prototype.
9213 * tree-flow.h (bsi_remove): Update prototype.
9214 * tree-vrp.c (remove_range_assertions): Add new argument to
9216 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9217 * tree-complex.c (expand_complex_div_wide): Likewise.
9218 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9219 * tree-tailcall.c (eliminate_tailcall): Likewise.
9220 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9221 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9222 * tree-nrv.c (tree_nrv): Likewise.
9223 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9224 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9225 (combine_blocks): Likewise.
9226 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9227 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9228 (cleanup_control_flow): Likewise.
9229 (remove_forwarder_block): Likewise.
9230 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9231 * tree-sra.c (sra_replace): Likewise.
9232 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9233 (forward_propagate_single_use_vars): Likewise.
9234 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9235 * tree-inline.c (expand_call_inline): Likewise.
9236 * tree-vect-transform.c (vect_transform_loop): Likewise.
9237 * tree-outof-ssa.c (rewrite_trees): Likewise.
9238 * tree-cfg.c (make_goto_expr_edges): Likewise.
9239 (cleanup_dead_labels): Likewise.
9240 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9241 (bsi_move_before, bsi_move_after): Likewise.
9242 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9243 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9245 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9248 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9250 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9251 on non gimple variables. Also add checks at the top for decls and
9253 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9255 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9256 and IMAGPART_EXPR for creating MUST_DEFs.
9257 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9258 and NAME_MEMORY_TAG separately from the DECLs.
9260 2006-01-06 Richard Guenther <rguenther@suse.de>
9262 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9263 annotation, if necessary.
9264 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9265 redundant calls to update_stmt.
9266 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9269 2006-01-05 Richard Henderson <rth@redhat.com>
9271 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9273 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9275 * c-typeck.c: Update copyright date.
9277 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9279 * c-typeck.c (build_c_cast): Always warn when casting
9280 from a pointer to an integer of different size, even if
9281 the node was constant.
9283 2006-01-05 Richard Guenther <rguenther@suse.de>
9285 PR tree-optimization/22555
9286 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9287 if one structure field is an array.
9288 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9289 operands even if we found a subvar, but ignore VOPs in this
9291 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9293 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9295 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9298 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9300 2006-01-05 Richard Guenther <rguenther@suse.de>
9301 Diego Novillo <dnovillo@redhat.com>
9303 * tree-pass.h (TODO_remove_unused_locals): Define.
9304 * gimple-low.c (expand_var_p, remove_useless_vars,
9305 pass_remove_useless_vars): Remove. Update all users.
9306 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9307 (remove_unused_locals): New function.
9308 * tree-flow.h (remove_unused_locals): Declare.
9309 * passes.c (execute_todo): Call remove_unused_locals if
9310 TODO_remove_unused_locals is set.
9311 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9312 * tree-ssa-dce.c (pass_dce): Likewise.
9313 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9315 2006-01-05 Richard Guenther <rguenther@suse.de>
9317 * tree-flow.h (struct fieldoff): Decompose field to
9318 type, size and decl.
9319 * tree-ssa-alias.c (create_sft): Take type as parameter.
9320 (create_overlap_variables_for): Store type, size and decl
9321 in the fieldoff structure.
9322 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9324 (push_fields_onto_fieldstack): Likewise.
9325 (create_variable_info_for): Likewise. Use offset for the
9326 SFT name if the decl is not available.
9328 2006-01-04 Paul Brook <paul@codesourcery.com>
9330 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9332 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9334 * lambda-code.c (can_put_in_inner_loop): Relax
9336 (can_put_after_inner_loop): New function.
9337 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9338 (perfect_nestify): Change to make copies and modify uses.
9340 2006-01-04 Richard Henderson <rth@redhat.com>
9342 Merge from gomp branch:
9343 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9344 via integer constant.
9345 (pragma_lex): Remove.
9346 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9347 rather than parsing it.
9348 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9349 handle_pragma_extern_prefix): Add %< %> quotes.
9350 (registered_pragmas): New.
9351 (c_register_pragma_1): New.
9352 (c_register_pragma): Use it.
9353 (c_register_pragma_with_expansion): Likewise.
9354 (c_invoke_pragma_handler): New.
9355 (init_pragma): Use cpp_register_deferred_pragma directly for
9357 * c-pragma.h (enum pragma_kind): New.
9358 (pragma_handler): New.
9359 (c_invoke_pragma_handler): Declare.
9360 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9362 * c-common.h (c_common_pch_pragma): Update decl.
9363 * Makefile.in (c-parser.o): Update dependencies.
9364 (GTFILES): Add c-pragma.h.
9365 * c-parser.c (struct c_token): Add pragma_kind.
9366 (struct c_parser): Add in_pragma.
9367 (c_lex_one_token): Always initialize keyword and pragma_kind.
9368 Extract data for CPP_PRAGMA.
9369 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9370 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9371 Don't allow CPP_PRAGMA_EOL if in_pragma.
9372 (c_parser_consume_pragma): New.
9373 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9374 (c_parser_skip_to_end_of_parameter): Likewise.
9375 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9376 (c_parser_skip_to_pragma_eol): New.
9377 (c_parser_external_declaration): Handle CPP_PRAGMA.
9378 (c_parser_compound_statement_nostart): Likewise.
9379 (c_parser_statement_after_labels): Likewise.
9380 (c_parser_pragma): New.
9381 (pragma_lex): Likewise.
9382 (c_parser_pragma_pch_preprocess): New.
9383 (c_parser_new): Merge into ...
9384 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9386 2006-01-04 Jeff Law <law@redhat.com>
9389 * tree-cfg.c (bsi_replace): Remove the original statement
9390 from the EH throw statement table.
9392 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9394 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9395 make the prototype extern "C" and add throw ().
9398 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9399 and pos non-negative and pos + len <= 32.
9400 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9401 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9402 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9405 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9406 as well as sizes not multiple of component size.
9409 * function.c (instantiate_expr): New function.
9410 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9411 walk its DECL_VALUE_EXPR with instantiate_expr.
9413 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9414 DW_OP_deref{,_size} if address isn't going to be added.
9416 2006-01-04 Ben Elliston <bje@au.ibm.com>
9418 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9419 * config/fp-bit.c: Likewise.
9421 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9423 * dominance.c: Add comment about why we use DFS numbering
9426 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9427 Richard Henderson <rth@redhat.com>
9429 Merge from gomp-branch:
9430 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9431 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9433 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9435 PR rtl-optimization/25578
9436 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9437 pass a parameter to simplify_shift_const if changing ASHIFTRT
9440 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9442 * builtins.c (get_builtin_sync_mem): New function.
9443 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9444 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9445 Call get_builtin_sync_mem to generate mem rtx.
9447 2006-01-03 Richard Guenther <rguenther@suse.de>
9450 * stmt.c (add_case_node): Make sure to clear overflow flags
9453 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9455 Merge from gomp-branch.
9456 * config/sparc/sync.md: New file.
9457 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9458 UNSPECV_LDSTUB): New constants.
9459 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9460 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9461 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9464 2006-01-03 Roger Sayle <roger@eyesopen.com>
9466 * combine.c (reg_subword_p): New predicate to test whether the
9467 destination of a set refers to a subword/piece of a register.
9468 (try_combine): Generalize the code to merge the setting of a
9469 pseudo to a constant followed by a set of a subword of that
9470 register to a constant.
9472 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9474 * basic-block.h (control_flow_graph): Change the type of
9475 x_label_to_block_map to VEC(basic_block,gc) *.
9476 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9477 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9479 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9480 VEC(basic_block,heap) *.
9481 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9482 ssa_prop_fini): Adjust the uses of cfg_blocks.
9484 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9486 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9488 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9489 hashing trees instead of a pointer hash.
9490 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9491 compare for MEM_EXPR.
9493 PR rtl-optimization/25130
9494 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9495 when comparing MEMs for GCSE
9497 2006-01-03 Ben Elliston <bje@au.ibm.com>
9499 * targhooks.h (default_decimal_float_supported_p): Declare.
9500 * targhooks.c (default_decimal_float_supported_p): Define.
9501 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9502 `default_decimal_float_supported_p'.
9503 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9505 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9507 * combine.c (apply_distributive_law <SUBREG>): Check
9508 TRULY_NOOP_TRUNCATION.
9510 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9512 * dwarf2out.c (have_switched_text_section): Delete.
9513 (have_multiple_function_sections): New.
9514 (have_location_lists): Make 'bool'.
9515 (add_AT_loc_list): Use 'true' not '1'.
9516 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9517 (output_loc_list): Use have_multiple_function_sections.
9518 (output_ranges): Likewise.
9519 (dwarf2out_begin_function): Set have_multiple_function_sections if
9521 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9522 Check function_section rather than DECL_SECTION_NAME.
9523 (dwarf2out_finish): Use have_multiple_function_sections.
9524 Don't clear have_location_lists.
9526 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9527 Jan Hubicka <jh@suse.cz>
9529 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9530 case of conditional jump jumping to the next instruction.
9531 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9532 cases of conditional jump jumping to the next instruction.
9534 2006-01-02 Jan Hubicka <jh@suse.cz>
9536 * i386.c (*_cost): Add COSTS_N_INSNS.
9537 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9539 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9542 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9544 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9546 * config/arm/arm.c (all_fpus): Fix comment typo.
9547 * config/darwin.c: Likewise.
9548 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9549 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9550 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9552 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9554 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9555 (rs6000_split_compare_and_swapqhi): New.
9556 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9557 (sync_compare_and_swapqhi_internal): New.
9558 * config/rs6000/rs6000-protos.h: Declare.